* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}


/* ========================================
   エントランスアニメーション
   ======================================== */
.entrance-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    background: radial-gradient(ellipse at center, #0a0e27 0%, #050714 50%, #000000 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: opacity 1s cubic-bezier(0.4, 0, 0.2, 1), transform 1s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: auto;
}

.entrance-overlay.fade-out {
    opacity: 0;
    transform: translateY(-100%);
    pointer-events: none;
    z-index: -1;
}

.entrance-overlay.hidden {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    z-index: -1 !important;
    pointer-events: none !important;
}

#entranceFireworks {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.entrance-content {
    position: relative;
    z-index: 10;
    text-align: center;
    opacity: 0;
    animation: entranceContentFadeIn 2s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.2s forwards;
}

@keyframes entranceContentFadeIn {
    0% {
        opacity: 0;
        transform: scale(0.95) translateY(15px);
        filter: blur(5px);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
        filter: blur(0);
    }
}

.entrance-logo {
    position: relative;
}

.entrance-title-line {
    overflow: hidden;
}

.entrance-title-main {
    font-size: 4rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 0.3em;
    text-shadow: 
        0 0 50px rgba(255, 255, 255, 0.8),
        0 0 100px rgba(255, 255, 255, 0.6),
        0 0 150px rgba(255, 255, 255, 0.4);
    opacity: 0;
    animation: entranceTitleSlideIn 1s ease-in 0.5s forwards;
    font-family: 'Shippori Mincho', 'Noto Serif JP', serif;
}

.entrance-title-sub {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
    font-size: 5rem;
    font-weight: 800;
    font-family: 'Shippori Mincho', 'Noto Serif JP', serif;
}

.entrance-sakura {
    color: #ffffff;
    text-shadow: 
        0 0 40px rgba(255, 255, 255, 0.8),
        0 0 80px rgba(255, 255, 255, 0.6),
        0 0 120px rgba(255, 255, 255, 0.4);
    opacity: 0;
    animation: entranceCharReveal 1s ease-in 0.8s forwards;
}

.entrance-hanabi {
    color: #ffffff;
    text-shadow: 
        0 0 40px rgba(255, 255, 255, 0.8),
        0 0 80px rgba(255, 255, 255, 0.6),
        0 0 120px rgba(255, 255, 255, 0.4);
    opacity: 0;
    animation: entranceCharReveal 1s ease-in 1.1s forwards;
}

.entrance-taikai {
    color: #ffffff;
    text-shadow: 
        0 0 40px rgba(255, 255, 255, 0.8),
        0 0 80px rgba(255, 255, 255, 0.6),
        0 0 120px rgba(255, 255, 255, 0.4);
    opacity: 0;
    animation: entranceCharReveal 1s ease-in 1.4s forwards;
}

@keyframes entranceTitleSlideIn {
    0% {
        opacity: 0;
        filter: blur(5px);
    }
    100% {
        opacity: 1;
        filter: blur(0);
    }
}

@keyframes entranceCharReveal {
    0% {
        opacity: 0;
        filter: blur(5px);
    }
    100% {
        opacity: 1;
        filter: blur(0);
    }
}

.entrance-year {
    font-size: 2.5rem;
    font-weight: 600;
    color: #ffffff;
    letter-spacing: 0.2em;
    margin-top: 30px;
    opacity: 0;
    animation: entranceYearFadeIn 1s ease-in 1.7s forwards;
    text-shadow: 
        0 0 30px rgba(255, 255, 255, 0.8),
        0 0 60px rgba(255, 255, 255, 0.6),
        0 0 90px rgba(255, 255, 255, 0.4);
    font-family: 'Shippori Mincho', 'Noto Serif JP', serif;
}

@keyframes entranceYearFadeIn {
    0% {
        opacity: 0;
        filter: blur(5px);
    }
    100% {
        opacity: 1;
        filter: blur(0);
    }
}

.entrance-tagline {
    margin-top: 50px;
    opacity: 0;
    animation: entranceTaglineFadeIn 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) 2.1s forwards;
}

.tagline-text {
    font-size: 1.4rem;
    font-weight: 300;
    color: rgba(255, 250, 250, 0.95);
    letter-spacing: 0.15em;
    text-shadow: 
        0 0 30px rgba(255, 255, 255, 0.8),
        0 0 60px rgba(255, 182, 193, 0.6),
        0 0 90px rgba(138, 43, 226, 0.4);
    font-family: 'Shippori Mincho', 'Noto Serif JP', serif;
}

@keyframes entranceTaglineFadeIn {
    0% {
        opacity: 0;
        transform: translateY(15px) scale(0.95);
        filter: blur(5px);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
        filter: blur(0);
    }
}

/* エントランス用スパークル効果 */
.entrance-sparkles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 5;
    overflow: hidden;
}

.entrance-sparkles::before,
.entrance-sparkles::after {
    content: '';
    position: absolute;
    width: 6px;
    height: 6px;
    background: #ffffff;
    border-radius: 50%;
    box-shadow: 
        0 0 15px #fff,
        0 0 30px rgba(255, 182, 193, 1),
        0 0 45px rgba(255, 20, 147, 0.9),
        0 0 60px rgba(138, 43, 226, 0.7);
    animation: sparkleFloat 4s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.entrance-sparkles::before {
    top: 20%;
    left: 15%;
    animation-delay: 0s;
}

.entrance-sparkles::after {
    top: 30%;
    right: 20%;
    animation-delay: 1.5s;
}

@keyframes sparkleFloat {
    0%, 100% {
        opacity: 0;
        transform: translateY(0) scale(0) rotateZ(0deg);
    }
    25% {
        opacity: 1;
        transform: translateY(-25px) scale(1.2) rotateZ(90deg);
    }
    50% {
        opacity: 1;
        transform: translateY(-40px) scale(1) rotateZ(180deg);
    }
    75% {
        opacity: 1;
        transform: translateY(-55px) scale(1.1) rotateZ(270deg);
    }
    100% {
        opacity: 0;
        transform: translateY(-70px) scale(0) rotateZ(360deg);
    }
}

/* パーティクル背景 */
.entrance-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

/* スキップボタン */
.entrance-skip-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 10001;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 25px;
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0;
    animation: entranceSkipBtnFadeIn 0.5s ease 1s forwards;
    pointer-events: auto;
}

.entrance-skip-btn:hover {
    background: rgba(0, 0, 0, 0.7);
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.05);
}

.entrance-skip-btn:active {
    transform: scale(0.95);
}

.entrance-skip-btn .material-icons {
    font-size: 1.2rem;
}

@keyframes entranceSkipBtnFadeIn {
    0% {
        opacity: 0;
        transform: translateY(-10px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* レスポンシブ: スキップボタン */
@media (max-width: 768px) {
    .entrance-skip-btn {
        top: 15px;
        right: 15px;
        padding: 10px 16px;
        font-size: 0.85rem;
    }
    
    .entrance-skip-btn .material-icons {
        font-size: 1rem;
    }
}

/* レスポンシブ */
@media (max-width: 768px) {
    .entrance-title-main {
        font-size: 2.5rem;
        letter-spacing: 0.2em;
    }
    
    .entrance-title-sub {
        font-size: 3rem;
        gap: 10px;
        flex-wrap: wrap;
    }
    
    .entrance-year {
        font-size: 1.8rem;
        margin-top: 20px;
    }
    
    .tagline-text {
        font-size: 1rem;
    }
    
    .entrance-tagline {
        margin-top: 30px;
    }
}

@media (max-width: 480px) {
    .entrance-title-main {
        font-size: 1.8rem;
    }
    
    .entrance-title-sub {
        font-size: 2.2rem;
    }
    
    .entrance-year {
        font-size: 1.4rem;
    }
}

/* ========================================
   ライトボックス（画像拡大表示）
   ======================================== */
.lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox-overlay.active {
    display: flex;
    opacity: 1;
}

.lightbox-image {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.lightbox-overlay.active .lightbox-image {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 30px;
    color: #fff;
    font-size: 2.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10001;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.lightbox-close:hover {
    transform: scale(1.1);
    background: rgba(255, 255, 255, 0.2);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: #fff;
    font-size: 3rem;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10001;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.2);
}

.lightbox-prev {
    left: 30px;
}

.lightbox-next {
    right: 30px;
}

.lightbox-caption {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: #fff;
    font-size: 1rem;
    text-align: center;
    max-width: 80%;
    padding: 10px 20px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 8px;
}

/* ========================================
   メインスタイル
   ======================================== */

:root {
    /* 洗練されたカラーパレット - より読みやすく調整 */
    --color-primary: #ff6b9d;
    --color-primary-glow: #ff6b9d;
    --color-secondary: #4ecdc4;
    --color-secondary-glow: #4ecdc4;
    --color-accent: #ffd93d;
    --color-accent-glow: #ffd93d;
    --color-purple: #a29bfe;
    --color-purple-glow: #a29bfe;
    --color-cyan: #74b9ff;
    --color-cyan-glow: #74b9ff;
    --color-pink: #fd79a8;
    --color-pink-glow: #fd79a8;
    --color-blue: #0984e3;
    --color-blue-glow: #0984e3;
    --color-green: #00b894;
    --color-green-glow: #00b894;
    --color-dark: #0a0e27;
    --color-dark-light: #1a1f3a;
    --color-dark-card: #1e2340;
    --color-text: #ffffff;
    --color-text-secondary: #e8e8e8;
    --color-text-muted: #b8b8b8;
    
    /* グラデーション */
    --gradient-primary: linear-gradient(135deg, #ff6b9d 0%, #c44569 100%);
    --gradient-secondary: linear-gradient(135deg, #4ecdc4 0%, #44a08d 100%);
    --gradient-accent: linear-gradient(135deg, #ffd93d 0%, #f6c23e 100%);
    --gradient-green: linear-gradient(135deg, #00b894 0%, #00a085 100%);
    --gradient-dark: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 50%, #1e2340 100%);
    
    /* シャドウ */
    --shadow-glow-primary: 0 0 20px rgba(255, 107, 157, 0.4), 0 0 40px rgba(255, 107, 157, 0.2);
    --shadow-glow-secondary: 0 0 20px rgba(78, 205, 196, 0.4), 0 0 40px rgba(78, 205, 196, 0.2);
    --shadow-glow-accent: 0 0 20px rgba(255, 217, 61, 0.4), 0 0 40px rgba(255, 217, 61, 0.2);
    --shadow-glow-green: 0 0 20px rgba(0, 184, 148, 0.4), 0 0 40px rgba(0, 184, 148, 0.2);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.08);
    --shadow-card-hover: 0 12px 48px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.12);
}

body {
    font-family: 'Shippori Mincho', 'Noto Serif JP', 'Kosugi Maru', serif;
    font-weight: 400;
    background: var(--color-dark);
    color: var(--color-text);
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
    letter-spacing: 0.03em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding-top: 0;
}

#fireworksCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: 0.6;
}

/* グローバルナビゲーション */
.global-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: background 0.3s ease;
}

.global-nav.scrolled {
    background: rgba(10, 14, 39, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo {
    font-size: 1.1rem;
    font-weight: 600;
}

.nav-logo-link {
    text-decoration: none;
    color: inherit;
    display: block;
    transition: opacity 0.3s ease;
}

.nav-logo-link:hover {
    opacity: 0.8;
    color: var(--color-text);
    letter-spacing: 0.05em;
}

.nav-logo-text {
    color: #ffffff;
    font-weight: 600;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-menu li {
    margin: 0;
}

.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 400;
    padding: 8px 0;
    position: relative;
    transition: color 0.3s ease;
    letter-spacing: 0.02em;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width 0.3s ease;
    box-shadow: 0 0 10px rgba(255, 217, 61, 0.6);
}

.nav-link:hover {
    color: var(--color-accent);
    text-shadow: 0 0 20px rgba(255, 217, 61, 0.8);
}

.nav-link:hover::after {
    width: 100%;
}

/* ドロップダウンメニュー */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 5px;
}

.dropdown-icon {
    font-size: 1.2rem !important;
    transition: transform 0.3s ease;
}

.nav-dropdown:hover .dropdown-icon {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: rgba(10, 14, 39, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(78, 205, 196, 0.3);
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    list-style: none;
    padding: 8px 0;
    margin: 10px 0 0 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1001;
}

.nav-dropdown:hover .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-dropdown-link {
    display: block;
    padding: 12px 20px;
    color: #ffffff;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 400;
    transition: all 0.3s ease;
    position: relative;
}

.nav-dropdown-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--color-cyan);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.nav-dropdown-link:hover {
    background: rgba(78, 205, 196, 0.1);
    color: var(--color-cyan);
    padding-left: 25px;
}

.nav-dropdown-link:hover::before {
    transform: scaleY(1);
}

/* ハンバーガーメニューボタン */
.nav-hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
    transition: all 0.3s ease;
}

.hamburger-line {
    width: 100%;
    height: 3px;
    background: #ffffff;
    border-radius: 2px;
    transition: all 0.3s ease;
    transform-origin: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

.nav-hamburger:hover .hamburger-line {
    background: var(--color-accent);
    box-shadow: 0 0 10px rgba(255, 217, 61, 0.6);
}

.nav-hamburger.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.nav-hamburger.active .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: translateX(-20px);
}

.nav-hamburger.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* ヒーローセクション */
.hero-section {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 50%, #0a0e27 100%);
    /* 背景画像 - 指定された画像を使用 */
    background-image: 
        url('images/27260185_m.jpg'),
        radial-gradient(circle at 20% 50%, rgba(255, 107, 157, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(78, 205, 196, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(162, 155, 254, 0.1) 0%, transparent 50%);
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    overflow: hidden;
    margin-top: 70px;
}

.hero-section #fireworksCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.7;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.4) 0%,
        rgba(0, 0, 0, 0.5) 50%,
        rgba(0, 0, 0, 0.6) 100%
    );
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    padding: 80px 20px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.hero-catchphrase {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 28px;
    margin: 0 auto;
    margin-bottom: 40px;
    text-align: left;
    z-index: 3;
}

@media (max-width: 1024px) {
    .hero-catchphrase {
        left: 30px;
        top: 100px;
        gap: 24px;
    }
}

.catchphrase-line {
    font-size: 1.4rem;
    font-weight: 500;
    color: #ffffff;
    letter-spacing: 0.15em;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.9), 0 0 30px rgba(255, 255, 255, 0.3);
    line-height: 1.6;
    position: relative;
    padding-left: 40px;
    padding-top: 8px;
    padding-bottom: 8px;
    transition: all 0.4s ease;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

.catchphrase-line:nth-child(1) {
    animation-delay: 0.2s;
}

.catchphrase-line:nth-child(2) {
    animation-delay: 0.4s;
}

.catchphrase-line:nth-child(3) {
    animation-delay: 0.6s;
}

.catchphrase-line::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    background: linear-gradient(180deg, var(--color-secondary) 0%, var(--color-accent) 100%);
    border-radius: 2px;
    box-shadow: 0 0 15px rgba(78, 205, 196, 0.6);
    transition: all 0.4s ease;
}

.catchphrase-line::after {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-secondary) 0%, transparent 100%);
    transition: all 0.4s ease;
}

.catchphrase-line:hover {
    transform: translateX(10px);
    text-shadow: 0 2px 25px rgba(0, 0, 0, 0.9), 0 0 40px rgba(255, 255, 255, 0.5);
    color: var(--color-accent);
}

.catchphrase-line:hover::before {
    height: 80%;
    box-shadow: 0 0 20px rgba(78, 205, 196, 0.9);
}

.catchphrase-line:hover::after {
    width: 30px;
    background: linear-gradient(90deg, var(--color-accent) 0%, transparent 100%);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    margin-bottom: 40px;
}

.hero-title-image {
    max-width: 70%;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 30px rgba(255, 255, 255, 0.5));
    animation: fadeInUp 1s ease forwards;
}

@media (max-width: 768px) {
    .hero-title-image {
        max-width: 85%;
    }
}
.hero-title-main {
    font-size: 5rem;
    font-weight: 700;
    color: #ffffff;
    text-shadow: 0 0 40px rgba(255, 255, 255, 0.6), 0 0 80px rgba(255, 255, 255, 0.3);
    letter-spacing: 0.15em;
    animation: glow 3s ease-in-out infinite alternate;
}

.hero-title-sub {
    display: flex;
    gap: 25px;
    font-size: 6rem;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.hero-title-sub .sakura,
.hero-title-sub .hanabi,
.hero-title-sub .taikai {
    color: #ffffff;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.8), 0 0 60px rgba(255, 255, 255, 0.4);
}

.hero-year {
    font-size: 2.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-top: 20px;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.6);
}

/* ヒーローセクション：開催情報 */
.hero-event-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin: 30px auto 40px;
    padding: 20px 30px;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    max-width: 600px;
    width: 100%;
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.5s forwards;
}

.hero-event-date {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 600;
    color: #ffffff;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
}

.hero-event-date .material-icons {
    font-size: 1.5rem;
    color: #4ecdc4;
    filter: drop-shadow(0 0 8px rgba(78, 205, 196, 0.8));
}

.hero-event-time {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.hero-event-time-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.hero-event-time-item .material-icons {
    font-size: 1.2rem;
    color: #ffd93d;
    filter: drop-shadow(0 0 6px rgba(255, 217, 61, 0.6));
}

.hero-event-location {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.hero-event-location .material-icons {
    font-size: 1.2rem;
    color: #ff6b9d;
    filter: drop-shadow(0 0 6px rgba(255, 107, 157, 0.6));
}

@media (max-width: 768px) {
    .hero-event-info {
        padding: 15px 20px;
        margin: 25px auto 30px;
        gap: 10px;
    }
    
    .hero-event-date {
        font-size: 1.1rem;
    }
    
    .hero-event-time {
        flex-direction: column;
        gap: 8px;
        align-items: flex-start;
    }
    
    .hero-event-time-item {
        font-size: 0.9rem;
    }
    
    .hero-event-location {
        font-size: 0.9rem;
    }
}

/* ヒーローセクション：募集トピックへの誘導 */
.hero-topics {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 20px;
    justify-content: center;
    align-items: stretch;
    margin: 50px auto 30px;
    max-width: 1200px;
    padding: 0 20px;
    z-index: 3;
    position: relative;
}

.hero-topic-card {
    flex: 1;
    min-width: 0;
    max-width: 320px;
    background: rgba(30, 35, 64, 0.85);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 25px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    color: inherit;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

.hero-topic-card:nth-child(1) {
    animation-delay: 0.3s;
}

.hero-topic-card:nth-child(2) {
    animation-delay: 0.5s;
}

.hero-topic-card:nth-child(3) {
    animation-delay: 0.7s;
}

.hero-topic-card:hover {
    transform: translateY(-8px);
    background: rgba(30, 35, 64, 0.95);
    border-color: rgba(78, 205, 196, 0.5);
    box-shadow: 0 12px 48px rgba(78, 205, 196, 0.3), 0 0 30px rgba(78, 205, 196, 0.2);
}

.hero-topic-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: rgba(78, 205, 196, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.hero-topic-icon .material-icons {
    font-size: 36px;
    color: #4ecdc4;
    transition: all 0.3s ease;
}

.hero-topic-card:hover .hero-topic-icon {
    background: rgba(78, 205, 196, 0.25);
    transform: scale(1.1);
}

.hero-topic-card:hover .hero-topic-icon .material-icons {
    color: #ffffff;
    transform: scale(1.1);
}

.hero-topic-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.hero-topic-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #ffffff;
    margin: 0;
    letter-spacing: 0.05em;
    line-height: 1.4;
}

.hero-topic-desc {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin: 0;
}

.hero-topic-arrow {
    margin-top: 15px;
    opacity: 0.6;
    transition: all 0.3s ease;
}

.hero-topic-arrow .material-icons {
    font-size: 24px;
    color: #4ecdc4;
    transition: all 0.3s ease;
}

.hero-topic-card:hover .hero-topic-arrow {
    opacity: 1;
    transform: translateX(5px);
}

.hero-topic-card:hover .hero-topic-arrow .material-icons {
    color: #ffffff;
}

@media (max-width: 1024px) {
    .hero-topics {
        flex-direction: row;
        flex-wrap: nowrap;
        gap: 15px;
        margin: 40px auto 30px;
    }
    
    .hero-topic-card {
        flex: 1;
        min-width: 0;
        max-width: none;
    }
}

@media (max-width: 768px) {
    .hero-topics {
        flex-direction: column;
        align-items: center;
        margin: 25px auto 15px;
        padding: 0 15px;
        gap: 10px;
    }
    
    .hero-topic-card {
        max-width: 100%;
        width: 100%;
        padding: 15px 18px;
        flex-direction: row;
        align-items: center;
        gap: 12px;
    }
    
    .hero-topic-icon {
        width: 50px;
        height: 50px;
        margin-bottom: 0;
        flex-shrink: 0;
    }
    
    .hero-topic-icon .material-icons {
        font-size: 24px;
    }
    
    .hero-topic-content {
        flex: 1;
        gap: 0;
    }
    
    .hero-topic-title {
        font-size: 0.95rem;
        margin: 0;
    }
    
    .hero-topic-desc {
        font-size: 0.8rem;
    }
    
    .hero-topic-arrow {
        margin-top: 0;
        flex-shrink: 0;
    }
    
    .hero-topic-arrow .material-icons {
        font-size: 20px;
    }
}

.hero-scroll {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: #ffffff;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    animation: bounce 2s infinite;
}

.scroll-text {
    font-size: 0.9rem;
    letter-spacing: 0.2em;
    font-weight: 300;
}

.scroll-icon {
    font-size: 1.5rem;
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(10px);
    }
}

.container {
    position: relative;
    z-index: 1;
    max-width: 90vw;
    margin: 0 auto;
    padding: 60px 20px 40px;
    /* background: var(--color-dark); */
}

/* グローバルナビゲーションがあるページ用のコンテナ調整 */
body:has(.global-nav) .container {
    padding-top: 90px; /* ナビゲーションバー（70px）+ 余白（20px） */
}

/* より確実な方法：グローバルナビゲーション直後のコンテナ */
.global-nav + .container,
.global-nav ~ .container {
    padding-top: 90px;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .global-nav + .container,
    .global-nav ~ .container {
        padding-top: 80px;
    }
}

/* 2カラムレイアウト */
/* スクロールアニメーション */
.scroll-fade-in {
    animation: fadeInUp 0.8s ease-out forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 初期状態：非表示（JavaScriptで制御） */
/* JavaScriptでopacityとtransformが設定されるため、CSSでは最小限の設定のみ */
.news-section:not(.scroll-fade-in):not(.force-visible),
.event-info:not(.scroll-fade-in):not(.force-visible),
.event-intro-section:not(.scroll-fade-in):not(.force-visible),
.faq-section:not(.scroll-fade-in):not(.force-visible),
.recruit-section:not(.scroll-fade-in):not(.force-visible),
.intro-card:not(.scroll-fade-in):not(.force-visible),
.recruit-card:not(.scroll-fade-in):not(.force-visible) {
    /* JavaScriptで制御されるため、CSSでは初期値を設定しない */
    /* ただし、JavaScriptが読み込まれる前のフォールバックとして、デフォルトで表示 */
    opacity: 1;
    transform: translateY(0);
}

/* メインレイアウト（PC版：右側にサイドバー） */
.main-layout {
    display: grid;
    grid-template-columns: 2fr 0.7fr;
    gap: 30px;
    margin-top: 40px;
    align-items: start;
}

.main-content {
    min-width: 0;
    order: 0;
}

.sidebar {
    min-width: 0;
    order: 0;
    position: sticky;
    top: 100px;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
}

/* 新着情報セクション */
.news-section {
    background: rgba(30, 35, 64, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(78, 205, 196, 0.25);
    border-radius: 12px;
    padding: 40px;
    margin-bottom: 40px;
}

.section-title-with-bar {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 30px;
    letter-spacing: 0.05em;
}

.title-bar {
    width: 4px;
    height: 40px;
    background: linear-gradient(180deg, var(--color-secondary) 0%, var(--color-accent) 100%);
    border-radius: 2px;
    flex-shrink: 0;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.news-item {
    padding: 25px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.news-item:last-child {
    border-bottom: none;
}

.news-item:hover {
    background: rgba(78, 205, 196, 0.05);
    padding-left: 15px;
    padding-right: 15px;
    margin-left: -15px;
    margin-right: -15px;
    border-radius: 8px;
}

.news-meta {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 12px;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.news-date {
    font-weight: 400;
    letter-spacing: 0.05em;
}

.news-category {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.85rem;
}

.news-category .material-icons {
    font-size: 1rem;
    color: var(--color-secondary);
}

.news-title {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--color-text);
    line-height: 1.6;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: color 0.3s ease;
}

.news-title:hover {
    color: var(--color-secondary);
}

.news-thumbnail {
    flex-shrink: 0;
    width: 160px;
    height: 100px;
    overflow: hidden;
    border-radius: 8px;
}

.news-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.news-item:hover .news-thumbnail img {
    transform: scale(1.05);
}

.news-link {
    text-decoration: none;
    color: inherit;
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.news-link:hover .news-title {
    color: var(--color-secondary);
}

.news-content-wrapper {
    flex: 1;
    min-width: 0;
}

.news-excerpt {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--color-text-muted);
    margin-top: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* レスポンシブ対応 */
@media (max-width: 600px) {
    .news-link {
        flex-direction: column;
    }
    
    .news-thumbnail {
        width: 100%;
        height: 180px;
    }
}

.news-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--color-text-muted);
    font-size: 1rem;
}

.news-more {
    margin-top: 30px;
    text-align: right;
}

.more-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: rgba(78, 205, 196, 0.1);
    border: 1px solid rgba(78, 205, 196, 0.3);
    border-radius: 6px;
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
}

.more-button:hover {
    background: rgba(78, 205, 196, 0.2);
    border-color: rgba(78, 205, 196, 0.5);
    transform: translateX(5px);
}

.more-button .material-icons {
    font-size: 1.2rem;
}

/* サイドバー */
.sidebar-section {
    background: rgba(30, 35, 64, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(78, 205, 196, 0.25);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
}

.sidebar-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 20px;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sidebar-title .material-icons {
    font-size: 1.2rem;
    color: var(--color-secondary);
}

/* サイドバー内お問い合わせ */
.sidebar-contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sidebar-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.sidebar-contact-item .material-icons {
    font-size: 1.5rem;
    color: var(--color-secondary);
    flex-shrink: 0;
    margin-top: 2px;
}

.sidebar-contact-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 4px;
}

.sidebar-contact-value {
    font-size: 1rem;
    color: var(--color-text);
    font-weight: 500;
}

.sidebar-contact-value a {
    color: var(--color-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.sidebar-contact-value a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

/* LINE QRコードスタイル - シンプルデザイン */
.line-qr-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin-top: 10px;
}

.line-qr-wrapper a {
    display: inline-block;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.line-qr-wrapper a:hover {
    transform: scale(1.05);
}

.line-qr-image {
    display: block;
    width: 120px;
    height: 120px;
    max-width: 100%;
    border-radius: 8px;
    background: white;
    padding: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.3s ease;
}

.line-qr-wrapper a:hover .line-qr-image {
    box-shadow: 0 4px 15px rgba(78, 205, 196, 0.4);
}

.line-qr-link {
    display: inline-block;
    color: var(--color-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 8px 16px;
    border: 1px solid var(--color-secondary);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.line-qr-link:hover {
    color: var(--color-text);
    background: var(--color-secondary);
    border-color: var(--color-secondary);
}

.contact-qr-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    margin-top: 15px;
}

.contact-qr-wrapper > a {
    display: inline-block;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-qr-wrapper > a:hover {
    transform: scale(1.05);
}

.contact-qr-image {
    display: block;
    width: 150px;
    height: 150px;
    max-width: 100%;
    border-radius: 8px;
    background: white;
    padding: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    transition: box-shadow 0.3s ease;
}

.contact-qr-wrapper > a:hover .contact-qr-image {
    box-shadow: 0 4px 20px rgba(78, 205, 196, 0.5);
}

.contact-qr-link {
    display: inline-block;
    color: var(--color-secondary);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    padding: 10px 20px;
    border: 1px solid var(--color-secondary);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.contact-qr-link:hover {
    color: var(--color-text);
    background: var(--color-secondary);
    border-color: var(--color-secondary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(78, 205, 196, 0.3);
}

/* お問い合わせフォーム */
.contact-form-wrapper {
    margin-bottom: 20px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
}

.form-label .material-icons {
    font-size: 1.1rem;
    color: var(--color-accent);
}

.form-label .required {
    color: #ff6b6b;
    font-size: 0.85rem;
    margin-left: 2px;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(78, 205, 196, 0.3);
    border-radius: 6px;
    color: var(--color-text);
    font-size: 0.95rem;
    font-family: inherit;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(78, 205, 196, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-text-secondary);
    opacity: 0.6;
}

.contact-submit-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-secondary) 100%);
    border: none;
    border-radius: 6px;
    color: #ffffff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(78, 205, 196, 0.3);
    margin-top: 10px;
}

.contact-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(78, 205, 196, 0.4);
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
}

.contact-submit-btn:active {
    transform: translateY(0);
}

.contact-submit-btn .material-icons {
    font-size: 1.2rem;
}

.contact-success-message,
.contact-error-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    padding: 30px 20px;
    background: rgba(78, 205, 196, 0.1);
    border: 1px solid rgba(78, 205, 196, 0.3);
    border-radius: 8px;
    text-align: center;
}

.contact-success-message .material-icons {
    font-size: 3rem;
    color: #4ecdc4;
}

.contact-error-message {
    background: rgba(255, 107, 107, 0.1);
    border-color: rgba(255, 107, 107, 0.3);
}

.contact-error-message .material-icons {
    font-size: 3rem;
    color: #ff6b6b;
}

.contact-success-message p,
.contact-error-message p {
    margin: 0;
    color: var(--color-text);
    font-size: 0.95rem;
    line-height: 1.6;
}

.contact-loading {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    padding: 30px 20px;
    background: rgba(78, 205, 196, 0.1);
    border: 1px solid rgba(78, 205, 196, 0.3);
    border-radius: 8px;
    text-align: center;
    margin-bottom: 20px;
}

.contact-loading .material-icons {
    font-size: 3rem;
    color: #4ecdc4;
    animation: spin 1s linear infinite;
}

.contact-loading p {
    margin: 0;
    color: var(--color-text);
    font-size: 0.95rem;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.contact-submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .contact-form {
        gap: 18px;
    }
    
    .form-input,
    .form-textarea {
        padding: 10px 12px;
        font-size: 0.9rem;
    }
    
    .contact-submit-btn {
        padding: 12px 20px;
        font-size: 0.95rem;
    }
}

.category-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.category-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.category-item:last-child {
    border-bottom: none;
}

.category-marker {
    color: var(--color-text);
    font-size: 0.8rem;
}

.category-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.category-link:hover {
    color: var(--color-secondary);
}

.category-count {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-left: auto;
}

/* 最近の投稿 */
.recent-posts-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.recent-post-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.recent-post-item:last-child {
    border-bottom: none;
}

.recent-post-link {
    display: flex;
    gap: 12px;
    padding: 12px 0;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.recent-post-link:hover {
    background: rgba(78, 205, 196, 0.05);
    padding-left: 8px;
    margin-left: -8px;
    margin-right: -8px;
    padding-right: 8px;
    border-radius: 6px;
}

.recent-post-thumb {
    flex-shrink: 0;
    width: 60px;
    height: 45px;
    border-radius: 4px;
    overflow: hidden;
}

.recent-post-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.recent-post-thumb-placeholder {
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.recent-post-thumb-placeholder .material-icons {
    font-size: 1.2rem;
    color: var(--color-text-muted);
}

.recent-post-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.recent-post-title {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.3s ease;
}

.recent-post-link:hover .recent-post-title {
    color: var(--color-secondary);
}

.recent-post-date {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* 月別アーカイブ */
.archive-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.archive-item {
    display: flex;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.archive-item:last-child {
    border-bottom: none;
}

.archive-link {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.archive-link .material-icons {
    font-size: 1rem;
    color: var(--color-text-muted);
    transition: transform 0.3s ease, color 0.3s ease;
}

.archive-link:hover {
    color: var(--color-secondary);
}

.archive-link:hover .material-icons {
    color: var(--color-secondary);
    transform: translateX(3px);
}

.archive-count {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-left: auto;
}

/* Facebookウィジェット */
.instagram-widget {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.instagram-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    border-radius: 6px;
    color: #ffffff;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.3s ease;
    width: fit-content;
    box-shadow: 0 4px 15px rgba(225, 48, 108, 0.3);
}

.instagram-button:hover {
    background: linear-gradient(45deg, #e6683c 0%, #dc2743 25%, #cc2366 50%, #bc1888 75%, #a01c7a 100%);
    transform: translateY(-2px);
}

.instagram-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.instagram-icon .material-icons {
    font-size: 1.3rem;
}

.instagram-embed {
    padding: 20px;
    background: rgba(78, 205, 196, 0.05);
    border: 1px solid rgba(78, 205, 196, 0.2);
    border-radius: 8px;
}

.instagram-note {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: 10px;
    line-height: 1.6;
}

.instagram-note-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.instagram-note-link:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

.instagram-link a {
    color: var(--color-secondary);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.instagram-link a:hover {
    color: var(--color-accent);
}

/* Instagram投稿リスト */
.instagram-posts-container {
    margin-top: 20px;
}

.instagram-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 30px 20px;
    color: var(--color-text-secondary);
}

.instagram-loading .material-icons {
    font-size: 2rem;
    color: var(--color-accent);
    animation: spin 1s linear infinite;
}

.instagram-posts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-top: 15px;
}

.instagram-post-item {
    display: block;
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(78, 205, 196, 0.2);
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
}

.instagram-post-item:hover {
    transform: translateY(-3px);
    border-color: rgba(78, 205, 196, 0.5);
    box-shadow: 0 4px 15px rgba(78, 205, 196, 0.3);
}

.instagram-post-image {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.instagram-post-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.instagram-post-item:hover .instagram-post-image img {
    transform: scale(1.1);
}

.instagram-video-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 50%;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
}

.instagram-video-badge .material-icons {
    font-size: 18px;
}

.instagram-post-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: 30px 8px 8px;
    color: #ffffff;
    font-size: 0.75rem;
    line-height: 1.4;
    opacity: 0;
    transition: opacity 0.3s ease;
    max-height: 60%;
    overflow: hidden;
}

.instagram-post-item:hover .instagram-post-caption {
    opacity: 1;
}

.instagram-post-date {
    position: absolute;
    top: 8px;
    left: 8px;
    background: rgba(0, 0, 0, 0.6);
    padding: 4px 8px;
    border-radius: 4px;
    color: #ffffff;
    font-size: 0.7rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.instagram-post-item:hover .instagram-post-date {
    opacity: 1;
}

.instagram-empty {
    text-align: center;
    padding: 30px 20px;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .instagram-posts-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px;
    }
    
    .instagram-post-caption {
        font-size: 0.7rem;
        padding: 25px 6px 6px;
    }
}

/* Instagram埋め込みセクション */
.instagram-section {
    padding: 80px 20px;
    background: linear-gradient(135deg, rgba(26, 31, 58, 0.95) 0%, rgba(10, 14, 39, 0.95) 100%);
    border-radius: 20px;
    margin: 60px 0;
    text-align: center;
}

.instagram-section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin: 20px auto 30px;
    max-width: 600px;
    line-height: 1.8;
    opacity: 0.85;
}

.instagram-embed-container {
    max-width: 540px;
    margin: 30px auto 0;
    /* background: rgba(255, 255, 255, 0.05); */
    border-radius: 12px;
    padding: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.instagram-embed-iframe {
    width: 100%;
    height: 650px;
    border: 0;
    overflow: hidden;
    background: transparent;
    border-radius: 12px;
    display: block;
}

.instagram-follow-button-wrapper {
    text-align: center;
    margin-top: 30px;
}

.instagram-follow-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: linear-gradient(135deg, #E1306C 0%, #C13584 50%, #833AB4 100%);
    color: #ffffff;
    text-decoration: none;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(225, 48, 108, 0.3);
}

.instagram-follow-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(225, 48, 108, 0.4);
    background: linear-gradient(135deg, #C13584 0%, #E1306C 50%, #833AB4 100%);
}

.instagram-follow-button:active {
    transform: translateY(0);
}

.instagram-follow-button .material-icons {
    font-size: 1.2rem;
}

/* Instagram埋め込みセクション レスポンシブ対応 */
@media (max-width: 768px) {
    .instagram-section {
        padding: 50px 15px;
        margin: 40px 0;
    }
    
    .instagram-section-subtitle {
        font-size: 1rem;
        margin: 15px auto 25px;
        padding: 0 10px;
    }
    
    .instagram-embed-container {
        max-width: 100%;
        margin: 20px auto 0;
        padding: 8px;
    }
    
    .instagram-embed-iframe {
        height: 600px;
        border-radius: 8px;
    }
    
    .instagram-follow-button {
        padding: 12px 24px;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .instagram-embed-iframe {
        height: 550px;
    }
    
    .instagram-follow-button {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}

/* イベント情報 */
.event-info {
    margin-bottom: 40px;
}

.events-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.event-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--color-text-muted);
    font-size: 1.1rem;
}

/* 新しい大会情報カードデザイン */
.event-card-new {
    background: rgba(30, 35, 64, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(78, 205, 196, 0.3);
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 0 0 40px rgba(78, 205, 196, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.event-card-new::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-secondary), var(--color-accent), var(--color-primary));
    opacity: 0.6;
}

.event-card-new:hover {
    transform: translateY(-3px);
    border-color: rgba(78, 205, 196, 0.5);
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.4), 0 0 60px rgba(78, 205, 196, 0.2);
}

.event-header-new {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 2px solid rgba(78, 205, 196, 0.2);
}

.event-title-new {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 12px 0;
    letter-spacing: 0.05em;
    background: linear-gradient(135deg, #ffffff 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.event-location-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 15px;
    background: rgba(255, 107, 157, 0.1);
    border: 1px solid rgba(255, 107, 157, 0.3);
    border-radius: 8px;
    margin-top: 12px;
}

.event-location-header-icon {
    font-size: 1.3rem;
    color: var(--color-primary);
    filter: drop-shadow(0 0 8px rgba(255, 107, 157, 0.6));
    flex-shrink: 0;
}

.event-location-header-text {
    font-size: 1rem;
    color: var(--color-primary);
    font-weight: 600;
    text-shadow: 0 0 8px rgba(255, 107, 157, 0.4);
}

.event-body-new {
    display: block;
}

.event-date-section-new {
    display: flex;
    flex-direction: column;
    gap: 20px;
    height: 100%;
}

.event-date-main-new {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: rgba(78, 205, 196, 0.1);
    border: 1px solid rgba(78, 205, 196, 0.3);
    border-radius: 12px;
}

.event-date-icon {
    font-size: 2.5rem;
    color: var(--color-secondary);
    filter: drop-shadow(0 0 10px rgba(78, 205, 196, 0.8));
    flex-shrink: 0;
}

.event-date-content {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.event-date-numbers {
    display: flex;
    align-items: baseline;
    gap: 5px;
}

.event-month,
.event-day {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-secondary);
    text-shadow: 0 0 20px rgba(78, 205, 196, 0.8);
    font-family: 'Shippori Mincho', 'Noto Serif JP', serif;
    line-height: 1;
}

.event-date-separator {
    font-size: 2rem;
    color: rgba(255, 255, 255, 0.5);
    margin: 0 2px;
}

.event-weekday {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.event-schedule-new {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
}

.schedule-item-new {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 8px 12px;
    background: rgba(255, 217, 61, 0.08);
    border: 1px solid rgba(255, 217, 61, 0.2);
    border-radius: 6px;
    transition: all 0.3s ease;
    flex: 1;
    min-width: 140px;
    position: relative;
}

.schedule-item-new:hover {
    background: rgba(255, 217, 61, 0.12);
    border-color: rgba(255, 217, 61, 0.4);
    transform: translateY(-2px);
}

.schedule-detail-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: rgba(255, 217, 61, 0.2);
    border: 1px solid rgba(255, 217, 61, 0.4);
    border-radius: 50%;
    color: var(--color-accent);
    text-decoration: none;
    transition: all 0.3s ease;
    flex-shrink: 0;
    margin-left: auto;
}

.schedule-detail-btn:hover {
    background: rgba(255, 217, 61, 0.4);
    border-color: rgba(255, 217, 61, 0.6);
    transform: scale(1.1) rotate(0deg);
    box-shadow: 0 0 15px rgba(255, 217, 61, 0.5);
}

.schedule-detail-btn .material-icons {
    font-size: 1rem;
    transition: transform 0.3s ease;
}

.schedule-detail-btn:hover .material-icons {
    transform: translateX(2px);
}

.schedule-icon {
    font-size: 1.2rem;
    color: var(--color-accent);
    filter: drop-shadow(0 0 8px rgba(255, 217, 61, 0.6));
    flex-shrink: 0;
}

.schedule-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
    min-width: 0;
    align-items: center;
    text-align: center;
}

.schedule-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    line-height: 1.2;
}

.schedule-time {
    font-size: 0.95rem;
    color: var(--color-accent);
    font-weight: 600;
    text-shadow: 0 0 10px rgba(255, 217, 61, 0.5);
    line-height: 1.2;
}

.event-location-section-new {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background: rgba(255, 107, 157, 0.08);
    border: 1px solid rgba(255, 107, 157, 0.2);
    border-radius: 12px;
    height: 100%;
    box-sizing: border-box;
}

.event-location-icon {
    font-size: 2rem;
    color: var(--color-primary);
    filter: drop-shadow(0 0 10px rgba(255, 107, 157, 0.6));
    flex-shrink: 0;
    margin-top: 2px;
}

.event-location-content {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.event-location-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.event-location-name {
    font-size: 1.2rem;
    color: var(--color-primary);
    font-weight: 600;
    line-height: 1.4;
    text-shadow: 0 0 10px rgba(255, 107, 157, 0.5);
}

@media (max-width: 768px) {
    .event-card-new {
        padding: 20px;
    }
    
    .event-title-new {
        font-size: 1.4rem;
    }
    
    .event-body-new {
        display: block;
    }
    
    .event-date-main-new {
        padding: 15px;
    }
    
    .event-month,
    .event-day {
        font-size: 2.5rem;
    }
    
    .event-schedule-new {
        flex-direction: column;
        gap: 8px;
    }
    
    .schedule-item-new {
        min-width: 100%;
        padding: 10px 12px;
    }
    
    .schedule-detail-btn {
        width: 32px;
        height: 32px;
    }
    
    .schedule-detail-btn .material-icons {
        font-size: 1.1rem;
    }
    
    .event-location-section-new {
        padding: 15px;
    }
}

.info-card {
    background: rgba(30, 35, 64, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(78, 205, 196, 0.25);
    border-radius: 12px;
    padding: 25px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    box-shadow: var(--shadow-card), 0 0 40px rgba(78, 205, 196, 0.15);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-secondary);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.info-card::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 1px;
    height: 80%;
    background: linear-gradient(180deg, transparent, rgba(0, 212, 255, 0.3), transparent);
    transform: translate(-50%, -50%);
    opacity: 0.5;
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card-hover), var(--shadow-glow-secondary);
    border-color: rgba(78, 205, 196, 0.5);
}

.info-card:hover::before {
    opacity: 1;
}

.info-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 18px;
    background: rgba(78, 205, 196, 0.06);
    border: 1px solid rgba(78, 205, 196, 0.2);
    border-radius: 8px;
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.info-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--gradient-secondary);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.info-item:hover {
    background: rgba(78, 205, 196, 0.1);
    border-color: rgba(78, 205, 196, 0.4);
    transform: translateX(3px);
}

.info-item:hover::before {
    opacity: 1;
}

.info-icon-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: rgba(78, 205, 196, 0.12);
    border: 2px solid rgba(78, 205, 196, 0.3);
    border-radius: 8px;
    margin-bottom: 0;
    flex-shrink: 0;
}

.info-icon-wrapper .material-icons {
    font-size: 2rem;
    color: var(--color-secondary);
    filter: drop-shadow(0 0 15px rgba(78, 205, 196, 0.7));
    transition: all 0.3s ease;
    z-index: 2;
    position: relative;
}

.icon-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(78, 205, 196, 0.3) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.info-item:hover .icon-glow {
    opacity: 1;
}

.info-item:hover .info-icon-wrapper .material-icons {
    transform: scale(1.1);
    filter: drop-shadow(0 0 20px rgba(78, 205, 196, 0.9));
}

.info-content {
    flex: 1;
}

.date-header {
    margin-bottom: 12px;
}

.date-main {
    display: flex;
    align-items: baseline;
    gap: 6px;
    font-size: 2.8rem;
    font-weight: 500;
    color: var(--color-text);
    letter-spacing: 0.05em;
    line-height: 1.2;
}

.date-number {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--color-secondary);
    text-shadow: 0 0 20px rgba(78, 205, 196, 0.7), 0 0 40px rgba(78, 205, 196, 0.3);
    font-family: 'Shippori Mincho', 'Noto Serif JP', serif;
}

.date-month,
.date-day {
    font-size: 2rem;
    font-weight: 400;
    color: var(--color-text);
    opacity: 0.9;
}

.date {
    font-size: 2.8rem;
    font-weight: 500;
    margin-bottom: 20px;
    color: var(--color-text);
    letter-spacing: 0.05em;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

.day {
    display: inline-block;
    font-size: 1rem;
    background: var(--color-secondary);
    color: var(--color-dark);
    padding: 6px 12px;
    margin-left: 10px;
    border-radius: 4px;
    font-weight: 700;
    letter-spacing: 0.15em;
    box-shadow: 0 0 20px rgba(78, 205, 196, 0.5), 0 0 40px rgba(78, 205, 196, 0.2);
    border: 1px solid rgba(78, 205, 196, 0.5);
    position: relative;
    overflow: hidden;
}

.day::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.info-item:hover .day::before {
    left: 100%;
}

.time-details {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
}

.time-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: rgba(255, 217, 61, 0.06);
    border: 1px solid rgba(255, 217, 61, 0.2);
    border-radius: 6px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.time-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient-accent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.time-item:hover {
    background: rgba(255, 217, 61, 0.1);
    border-color: rgba(255, 217, 61, 0.4);
    transform: translateX(3px);
}

.time-item:hover::before {
    opacity: 1;
}

.time-icon-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 217, 61, 0.12);
    border: 1px solid rgba(255, 217, 61, 0.3);
    border-radius: 6px;
    flex-shrink: 0;
}

.time-item .material-icons {
    font-size: 1.5rem;
    color: var(--color-accent);
    filter: drop-shadow(0 0 10px rgba(255, 217, 61, 0.7));
    transition: all 0.3s ease;
}

.time-item:hover .material-icons {
    transform: scale(1.15);
    filter: drop-shadow(0 0 15px rgba(255, 217, 61, 0.9));
}

.time-text {
    display: flex;
    flex-direction: column;
    gap: 5px;
    flex: 1;
}

.time-label {
    font-size: 1rem;
    font-weight: 300;
    color: var(--color-text);
    opacity: 0.9;
    letter-spacing: 0.05em;
}

.time-value {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--color-accent);
    text-shadow: 0 0 15px rgba(255, 217, 61, 0.5);
    letter-spacing: 0.1em;
    font-family: 'Shippori Mincho', 'Noto Serif JP', serif;
}

.time-item-primary {
    font-size: 1.15rem;
    font-weight: 300;
    letter-spacing: 0.02em;
}

.location-header {
    margin-bottom: 8px;
}

.location-label {
    font-size: 0.85rem;
    font-weight: 300;
    color: var(--color-text);
    opacity: 0.7;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-family: 'Shippori Mincho', 'Noto Serif JP', serif;
}

.location {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-accent);
    text-shadow: 0 0 20px rgba(255, 217, 61, 0.5), 0 0 40px rgba(255, 217, 61, 0.2);
    letter-spacing: 0.05em;
    line-height: 1.5;
}

.location-name {
    display: block;
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--color-accent);
    text-shadow: 0 0 25px rgba(255, 217, 61, 0.7), 0 0 50px rgba(255, 217, 61, 0.3);
    letter-spacing: 0.08em;
    font-family: 'Shippori Mincho', 'Noto Serif JP', serif;
}

/* セクションヘッダー */
.section-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
    text-align: center;
}

.section-header .material-icons {
    font-size: 2.8rem;
    color: var(--color-secondary);
    filter: drop-shadow(0 0 10px rgba(78, 205, 196, 0.5));
}

.sponsor-section .section-header .material-icons {
    color: var(--color-secondary);
    filter: drop-shadow(0 0 10px rgba(78, 205, 196, 0.5));
}

.volunteer-section .section-header .material-icons {
    color: var(--color-green);
    filter: drop-shadow(0 0 10px rgba(0, 255, 136, 0.6));
}

.section-header h2 {
    font-size: 2.2rem;
    font-weight: 500;
    color: var(--color-text);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-family: 'Shippori Mincho', 'Noto Serif JP', serif;
}

/* 募集関連セクション */
.recruit-section {
    margin-bottom: 60px;
}

.recruit-section .section-header {
    margin-bottom: 30px;
}

.recruit-section .section-header .material-icons {
    color: var(--color-accent);
    filter: drop-shadow(0 0 10px rgba(255, 217, 61, 0.5));
}

/* 協賛・ボランティア募集セクション（シンプル版） */
.recruit-section-wrapper {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 0;
}

/* ページ内リンク用のスクロールマージン */
#sponsor,
#volunteer,
#guest {
    scroll-margin-top: 80px; /* ナビゲーションバーの高さを考慮 */
}

.recruit-card {
    display: flex;
    background: rgba(30, 35, 64, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.recruit-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.15);
}

.recruit-image {
    width: 220px;
    min-height: 180px;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}

.recruit-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.recruit-card:hover .recruit-image img {
    transform: scale(1.05);
}

.recruit-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, transparent 70%, rgba(30, 35, 64, 0.9));
}

.recruit-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    z-index: 2;
}

.recruit-badge .material-icons {
    font-size: 1rem;
    opacity: 0.9;
}

.sponsor-recruit .recruit-badge .material-icons {
    color: #a8d8d4;
}

.volunteer-recruit .recruit-badge .material-icons {
    color: #98d9a8;
}

.guest-recruit .recruit-badge .material-icons {
    color: #f0c98d;
}

.recruit-content {
    flex: 1;
    padding: 25px 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.recruit-title {
    font-size: 1.4rem;
    font-weight: 500;
    margin-bottom: 10px;
    color: var(--color-text);
    letter-spacing: 0.02em;
}

.recruit-text {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: 15px;
}

.recruit-benefits {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 18px;
}

.benefit-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 6px;
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    transition: all 0.2s ease;
}

.benefit-tag:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

.benefit-tag .material-icons {
    font-size: 0.9rem;
    opacity: 0.7;
}

.recruit-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.3s ease;
    align-self: flex-start;
}

.recruit-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateX(3px);
}

.recruit-btn .material-icons {
    font-size: 1rem;
    transition: transform 0.3s ease;
}

.recruit-btn:hover .material-icons {
    transform: translateX(3px);
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .recruit-card {
    flex-direction: column;
}

    .recruit-image {
        width: 100%;
        height: 160px;
        min-height: auto;
    }
    
    .recruit-image::after {
        background: linear-gradient(to bottom, transparent 70%, rgba(30, 35, 64, 0.9));
}

    .recruit-content {
        padding: 20px;
}

    .recruit-title {
        font-size: 1.2rem;
}

    .recruit-btn {
    width: 100%;
    justify-content: center;
    }
}

/* CTAボタン */
.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 20px 45px;
    background: var(--gradient-primary);
    color: var(--color-text);
    text-decoration: none;
    font-size: 1.05rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    border: 1px solid rgba(255, 0, 128, 0.5);
    box-shadow: var(--shadow-glow-primary), 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    font-family: 'Shippori Mincho', 'Noto Serif JP', serif;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-glow-primary), 0 8px 25px rgba(0, 0, 0, 0.4);
    border-color: rgba(255, 0, 128, 0.8);
}

.cta-button .material-icons {
    font-size: 1.5rem;
}

/* お問い合わせセクション */
.contact-section {
    margin-bottom: 60px;
}

.contact-card {
    background: rgba(30, 35, 64, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(116, 185, 255, 0.25);
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--shadow-card), 0 0 50px rgba(116, 185, 255, 0.15);
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-secondary);
    opacity: 0.6;
}

.contact-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
}

.contact-header .material-icons {
    font-size: 2.8rem;
    color: var(--color-secondary);
    filter: drop-shadow(0 0 10px rgba(78, 205, 196, 0.5));
}

.contact-header h2 {
    font-size: 2.2rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-family: 'Shippori Mincho', 'Noto Serif JP', serif;
}

.contact-info {
    display: flex;
    flex-direction: column;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.contact-item .material-icons {
    font-size: 2.3rem;
    color: var(--color-secondary);
    flex-shrink: 0;
    filter: drop-shadow(0 0 10px rgba(78, 205, 196, 0.5));
    transition: all 0.3s ease;
}

.contact-item:hover .material-icons {
    transform: scale(1.1);
    filter: drop-shadow(0 0 15px rgba(78, 205, 196, 0.8));
}

.contact-label {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin-bottom: 8px;
    font-weight: 300;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-family: 'Shippori Mincho', 'Noto Serif JP', serif;
}

.contact-value {
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--color-text);
    letter-spacing: 0.02em;
}

.contact-value a {
    color: var(--color-secondary);
    text-shadow: 0 0 10px rgba(78, 205, 196, 0.4);
    transition: all 0.3s ease;
}

.contact-value a:hover {
    color: var(--color-text);
    text-shadow: 0 0 15px rgba(78, 205, 196, 0.7);
}

.contact-note {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid rgba(93, 173, 226, 0.3);
}

.contact-note p {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 2;
    margin-bottom: 12px;
    font-weight: 300;
    letter-spacing: 0.01em;
}

/* フッター */
.footer {
    padding: 50px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(10, 14, 39, 0.5);
    backdrop-filter: blur(10px);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section {
    text-align: center;
}

.footer-section-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: 20px;
    letter-spacing: 0.05em;
    border-bottom: 1px solid rgba(78, 205, 196, 0.3);
    padding-bottom: 10px;
    text-align: center;
}

.social-link-text {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.social-link-text:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-top: 20px;
    padding: 10px 0;
}

.social-link .material-icons {
    font-size: 1.3rem;
    color: var(--color-accent);
}

.footer-nav {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
    list-style: none;
    padding: 0;
    margin: 0;
    align-items: center;
}

.footer-links li {
    margin: 0;
}

.footer-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    position: relative;
    padding: 5px 0;
}

.footer-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width 0.3s ease;
}

.footer-link:hover {
    color: var(--color-accent);
}

.footer-link:hover::after {
    width: 100%;
}

.footer-meta {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    text-align: center;
}

.footer-meta p {
    margin: 8px 0;
}

/* イベント紹介セクション - キーワード最適化 */
.event-intro-section {
    margin-bottom: 60px;
}

.intro-card {
    background: rgba(30, 35, 64, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(78, 205, 196, 0.25);
    border-radius: 12px;
    padding: 60px;
    box-shadow: var(--shadow-card), 0 0 50px rgba(78, 205, 196, 0.15);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.intro-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-secondary);
    opacity: 0.6;
}

.intro-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card-hover), var(--shadow-glow-secondary);
    border-color: rgba(78, 205, 196, 0.5);
}

.intro-content {
    margin-top: 30px;
}

.intro-text {
    font-size: 1.15rem;
    line-height: 2.2;
    color: var(--color-text-secondary);
    margin-bottom: 30px;
    letter-spacing: 0.02em;
    font-weight: 300;
}

.intro-text:last-child {
    margin-bottom: 0;
}

/* 協賛金紹介セクション */
.sponsor-intro-section {
    margin-bottom: 60px;
}

/* FAQセクション - AEO最適化 */
.faq-section {
    margin-bottom: 60px;
}

.faq-card {
    background: rgba(30, 35, 64, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 217, 61, 0.25);
    border-radius: 12px;
    padding: 60px;
    box-shadow: var(--shadow-card), 0 0 50px rgba(255, 217, 61, 0.15);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.faq-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-accent);
    opacity: 0.6;
}

.faq-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card-hover), var(--shadow-glow-accent);
    border-color: rgba(255, 217, 61, 0.5);
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.faq-item {
    background: rgba(255, 217, 61, 0.06);
    border: 1px solid rgba(255, 217, 61, 0.2);
    border-radius: 8px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    overflow: hidden;
}

.faq-item-hidden {
    display: none !important;
}

.faq-item-hidden.show {
    display: block !important;
    animation: fadeInUp 0.4s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.faq-item:hover {
    background: rgba(255, 217, 61, 0.1);
    border-color: rgba(255, 217, 61, 0.4);
}

.faq-question-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 25px 30px;
    background: transparent;
    border: none;
    text-align: left;
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-question-btn:hover {
    background: rgba(255, 217, 61, 0.08);
}

.faq-question-btn:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: -2px;
}

.faq-question-text {
    font-size: 1.35rem;
    font-weight: 500;
    color: var(--color-accent);
    text-shadow: 0 0 20px rgba(255, 217, 61, 0.4);
    letter-spacing: 0.02em;
    flex: 1;
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--color-accent);
    transition: transform 0.3s ease;
    flex-shrink: 0;
    margin-left: 15px;
}

.faq-question-btn[aria-expanded="true"] .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.3s ease;
    padding: 0 30px;
    font-size: 1.15rem;
    line-height: 2;
    color: var(--color-text-secondary);
    font-weight: 300;
    letter-spacing: 0.01em;
    opacity: 0;
}

.faq-item.active .faq-answer {
    max-height: 2000px;
    padding: 0 30px 25px 30px;
    opacity: 1;
}

.faq-answer p {
    margin: 0;
}

.faq-more-wrapper {
    text-align: center;
    margin-top: 30px;
}

.faq-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    background: rgba(255, 217, 61, 0.1);
    border: 2px solid rgba(255, 217, 61, 0.3);
    border-radius: 8px;
    color: var(--color-accent);
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.faq-more-btn:hover {
    background: rgba(255, 217, 61, 0.2);
    border-color: rgba(255, 217, 61, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 217, 61, 0.3);
}

.faq-more-btn:active {
    transform: translateY(0);
}

.faq-more-btn .material-icons {
    transition: transform 0.3s ease;
}

.faq-more-btn.expanded .material-icons {
    transform: rotate(180deg);
}

.faq-more-btn.hidden {
    display: none;
}

/* セマンティックHTML最適化: time要素のスタイル */
time {
    font-weight: 600;
}

/* 電話番号リンクのスタイル（重複削除 - 上記のcontact-value aで定義済み） */

/* アニメーション */
@keyframes glow {
    0% {
        filter: brightness(1);
    }
    100% {
        filter: brightness(1.3);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* レスポンシブデザイン */
/* タブレット・モバイル版：下にサイドバーを配置 */
@media (max-width: 968px) {
    .main-layout {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .sidebar {
        order: 1;
        max-height: 2000px;
    }
    
    .main-content {
        order: 0;
    }
}

@media (max-width: 768px) {
    body {
        padding-top: 0;
    }
    
    .hero-section {
        margin-top: 60px;
        min-height: 90vh;
    }
    
    .container {
        padding: 40px 15px 20px;
    }
    
    .main-layout {
        gap: 25px;
        margin-top: 30px;
    }
    
    .news-section,
    .sidebar-section {
        padding: 25px 20px;
    }
    
    .section-title-with-bar {
        font-size: 1.5rem;
    }
    
    .title-bar {
        height: 35px;
    }
    
    .news-title {
        font-size: 1.1rem;
    }
    
    .hero-catchphrase {
        position: static;
        margin-bottom: 20px;
        align-items: center;
        text-align: center;
        padding: 10px 15px;
        gap: 8px;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .catchphrase-line {
        font-size: 0.85rem;
        font-weight: 500;
        padding: 8px 12px;
        background: rgba(30, 35, 64, 0.5);
        backdrop-filter: blur(5px);
        -webkit-backdrop-filter: blur(5px);
        border: 1px solid rgba(255, 255, 255, 0.15);
        border-radius: 6px;
        position: relative;
        transition: all 0.3s ease;
        flex: 0 1 auto;
        min-width: 0;
    }
    
    .catchphrase-line::before {
        display: none;
    }
    
    .catchphrase-line::after {
        display: none;
    }
    
    .catchphrase-line:hover {
        transform: translateY(-2px);
        background: rgba(30, 35, 64, 0.7);
        border-color: rgba(255, 255, 255, 0.25);
    }
    
    .hero-title-main {
        font-size: 3rem;
    }
    
    .hero-title-sub {
        font-size: 3.5rem;
        gap: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero-year {
        font-size: 2rem;
    }
    
    .global-nav {
        height: 60px;
    }
    
    .nav-container {
        padding: 0 15px;
        height: 60px;
    }
    
    .nav-logo {
        font-size: 0.9rem;
    }
    
    /* ハンバーガーボタンを表示 */
    .nav-hamburger {
        display: flex;
    }
    
    /* メニューを非表示（デフォルト） */
    .nav-menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(10, 14, 39, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-top: 1px solid rgba(78, 205, 196, 0.3);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 20px 0;
        margin: 0;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    }
    
    .nav-menu.active {
        max-height: 100vh;
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-link {
        display: block;
        padding: 15px 20px;
        font-size: 1rem;
        width: 100%;
    }
    
    .nav-link::after {
        display: none;
    }
    
    /* ドロップダウンメニューをモバイル用に調整 */
    .nav-dropdown-menu {
        position: static;
        min-width: 100%;
        background: rgba(0, 0, 0, 0.3);
        border: none;
        border-radius: 0;
        box-shadow: none;
        margin: 0;
        padding: 0;
        opacity: 1;
        visibility: visible;
        transform: none;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .nav-dropdown.active .nav-dropdown-menu {
        max-height: 300px;
    }
    
    .nav-dropdown-toggle {
        justify-content: space-between;
    }
    
    .nav-dropdown.active .dropdown-icon {
        transform: rotate(180deg);
    }
    
    .nav-dropdown-link {
        padding: 12px 20px 12px 40px;
        font-size: 0.9rem;
    }
    
    .nav-dropdown-link::before {
        display: none;
    }
    
    .nav-dropdown-link:hover {
        padding-left: 40px;
        background: rgba(78, 205, 196, 0.15);
    }
    
    .title-line1 {
        font-size: 2.5rem;
    }
    
    .title-line2 {
        font-size: 3rem;
        flex-direction: column;
        gap: 10px;
    }
    
    .event-name {
        margin-bottom: 12px;
        padding-bottom: 10px;
    }
    
    .event-name h3 {
        font-size: 1.3rem;
    }
    
    .info-card {
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 20px 15px;
    }
    
    .info-card::after {
        display: none;
    }
    
    .info-item {
        padding: 15px;
        gap: 10px;
    }
    
    .info-icon-wrapper {
        width: 50px;
        height: 50px;
    }
    
    .info-icon-wrapper .material-icons {
        font-size: 2rem;
    }
    
    .date-main {
        font-size: 2.2rem;
    }
    
    .date-number {
        font-size: 2.8rem;
    }
    
    .date-month,
    .date-day {
        font-size: 1.6rem;
    }
    
    .location-name {
        font-size: 1.4rem;
    }
    
    .time-item {
        padding: 12px;
        gap: 12px;
    }
    
    .time-icon-wrapper {
        width: 35px;
        height: 35px;
    }
    
    .time-item .material-icons {
        font-size: 1.3rem;
    }
    
    .time-value {
        font-size: 1.1rem;
    }
    
    .sponsor-card,
    .volunteer-card,
    .contact-card {
        padding: 30px 20px;
    }
    
    .sponsor-benefits {
        flex-direction: column;
        gap: 20px;
    }
    
    .section-header h2 {
        font-size: 1.5rem;
    }
    
    .faq-card {
        padding: 30px 20px;
    }
    
    .faq-question-text {
        font-size: 1.1rem;
    }
    
    .faq-question-btn {
        padding: 20px 15px;
    }
    
    .faq-answer {
        font-size: 1rem;
        padding: 0 15px;
    }
    
    .faq-item.active .faq-answer {
        padding: 0 15px 20px 15px;
    }
    
    .faq-icon {
        font-size: 1.3rem;
    }
    
    .intro-card {
        padding: 40px 25px;
    }
    
    .contact-card {
        padding: 40px 25px;
    }
}

/* ページナビゲーション */
.page-nav {
    margin-bottom: 30px;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: rgba(116, 185, 255, 0.1);
    border: 1px solid var(--color-blue);
    color: var(--color-text);
    text-decoration: none;
    border-radius: 0;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.nav-link:hover {
    background: rgba(116, 185, 255, 0.2);
    transform: translateX(-5px);
}

.nav-link .material-icons {
    font-size: 1.2rem;
}

/* ページヘッダー */
.page-header {
    text-align: center;
    margin-bottom: 50px;
    padding: 40px 0;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    color: var(--color-text);
}

.page-title .material-icons {
    font-size: 2.5rem;
    color: var(--color-primary);
}

.page-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* 協賛プラン表 */
.sponsor-plan-section {
    margin-bottom: 60px;
}

.plan-table-wrapper {
    background: rgba(26, 26, 46, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 0;
    padding: 50px;
    box-shadow: var(--shadow-card), 0 0 50px rgba(0, 212, 255, 0.25);
    overflow-x: auto;
    position: relative;
}

.plan-table-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-secondary);
    opacity: 0.6;
}

.sponsor-plan-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 800px;
}

.sponsor-plan-table th {
    background: rgba(0, 212, 255, 0.15);
    color: var(--color-text);
    padding: 25px 20px;
    text-align: center;
    font-weight: 500;
    font-size: 1.05rem;
    letter-spacing: 0.05em;
    border: 1px solid rgba(0, 212, 255, 0.3);
    text-transform: uppercase;
    font-family: 'Shippori Mincho', 'Noto Serif JP', serif;
}

.sponsor-plan-table td {
    padding: 20px 15px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text);
}

.plan-category .category-header {
    background: rgba(162, 155, 254, 0.3);
    color: var(--color-purple);
    font-weight: 900;
    font-size: 1.2rem;
    text-align: center;
    padding: 25px;
    border: 2px solid var(--color-purple);
}

.plan-row {
    transition: background 0.3s ease;
}

.plan-row:hover {
    background: rgba(255, 107, 107, 0.1);
}

.plan-name {
    font-weight: 500;
    font-size: 1.2rem;
    color: var(--color-accent);
    letter-spacing: 0.03em;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

.plan-price {
    font-weight: 500;
    font-size: 1.5rem;
    color: var(--color-cyan);
    text-shadow: 0 0 15px rgba(0, 212, 255, 0.6);
    letter-spacing: 0.05em;
    font-family: 'Shippori Mincho', 'Noto Serif JP', serif;
}

.plan-benefit {
    font-size: 1.1rem;
}

.plan-benefit.included {
    color: var(--color-accent);
    font-weight: 700;
    font-size: 1.5rem;
}

.plan-benefit.not-included {
    color: var(--color-text-muted);
    opacity: 0.4;
    font-weight: 300;
}

.plan-premium {
    background: rgba(0, 212, 255, 0.05);
}

.plan-standard {
    background: rgba(93, 173, 226, 0.05);
}

.plan-individual-1,
.plan-individual-2 {
    background: rgba(0, 212, 255, 0.03);
}

/* 特典詳細セクション */
.benefit-details-section {
    margin-bottom: 60px;
}

.benefit-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 30px;
}

.benefit-card {
    background: rgba(26, 26, 46, 0.8);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 0;
    padding: 35px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-secondary);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card-hover), 0 0 30px rgba(0, 212, 255, 0.4);
    border-color: rgba(0, 212, 255, 0.6);
}

.benefit-card:hover::before {
    opacity: 1;
}

.benefit-card .material-icons {
    font-size: 3.5rem;
    color: var(--color-cyan);
    margin-bottom: 20px;
    filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.6));
    transition: all 0.3s ease;
}

.benefit-card:hover .material-icons {
    transform: scale(1.1);
    filter: drop-shadow(0 0 15px rgba(0, 212, 255, 0.9));
}

.benefit-card h3 {
    font-size: 1.4rem;
    font-weight: 500;
    margin-bottom: 18px;
    color: var(--color-text);
    letter-spacing: 0.03em;
}

.benefit-card p {
    font-size: 1rem;
    line-height: 1.9;
    color: var(--color-text-secondary);
    font-weight: 300;
    letter-spacing: 0.01em;
}

/* メリットリスト */
.benefit-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-top: 30px;
}

.benefit-list-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 25px;
    background: rgba(26, 26, 46, 0.6);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.benefit-list-item:hover {
    background: rgba(26, 26, 46, 0.8);
    border-color: rgba(0, 212, 255, 0.4);
    transform: translateX(5px);
}

.benefit-list-item .material-icons {
    font-size: 2.5rem;
    color: var(--color-cyan);
    filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.6));
    flex-shrink: 0;
}

.benefit-list-item h3 {
    font-size: 1.3rem;
    font-weight: 500;
    margin-bottom: 10px;
    color: var(--color-text);
    letter-spacing: 0.03em;
}

.benefit-list-item p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
    font-weight: 300;
    letter-spacing: 0.01em;
}

/* お申し込みセクション */
.application-section {
    margin-bottom: 60px;
}

.application-card {
    background: rgba(26, 26, 46, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(93, 173, 226, 0.3);
    border-radius: 0;
    padding: 60px;
    box-shadow: var(--shadow-card), 0 0 50px rgba(93, 173, 226, 0.25);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.application-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-secondary);
    opacity: 0.6;
}

.application-text {
    font-size: 1.15rem;
    line-height: 2.2;
    margin-bottom: 35px;
    color: var(--color-text-secondary);
    font-weight: 300;
    letter-spacing: 0.02em;
}

.contact-info-box {
    background: rgba(116, 185, 255, 0.1);
    border: 1px solid var(--color-blue);
    padding: 30px;
    margin: 30px 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 30px;
}

.cta-button-secondary {
    background: linear-gradient(135deg, var(--color-purple) 0%, var(--color-blue) 100%);
    border-color: var(--color-purple);
    box-shadow: 0 0 20px rgba(162, 155, 254, 0.5);
}

.cta-button-secondary:hover {
    box-shadow: 0 0 30px rgba(162, 155, 254, 0.8);
}

/* 夢花火セクション */
.yume-header {
    position: relative;
}

.yume-title {
    font-size: 4.5rem;
    font-weight: 700;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 40px rgba(255, 215, 0, 0.6), 0 0 80px rgba(255, 215, 0, 0.3);
    animation: glow 3s ease-in-out infinite alternate;
    filter: drop-shadow(0 0 20px rgba(255, 215, 0, 0.5));
    letter-spacing: 0.1em;
}

.yume-icon {
    display: inline-flex;
    align-items: center;
    font-size: 2.5rem;
    color: var(--color-accent);
    animation: pulse 2s ease-in-out infinite;
    margin: 0 15px;
    filter: drop-shadow(0 0 15px rgba(255, 215, 0, 0.8));
}

.yume-subtitle {
    font-size: 1.6rem;
    color: var(--color-accent);
    text-shadow: 0 0 20px rgba(255, 215, 0, 0.6), 0 0 40px rgba(255, 215, 0, 0.3);
    letter-spacing: 0.03em;
    font-weight: 300;
}

.yume-content-section {
    margin-bottom: 60px;
}

.yume-card {
    background: rgba(26, 26, 46, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 215, 0, 0.3);
    border-radius: 0;
    padding: 60px;
    box-shadow: var(--shadow-card), 0 0 50px rgba(255, 215, 0, 0.25);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.yume-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-accent);
    opacity: 0.6;
}

.yume-intro {
    max-width: 800px;
    margin: 0 auto;
}

.yume-icon-large {
    margin-bottom: 30px;
}

.yume-icon-large .material-icons {
    font-size: 5rem;
    color: var(--color-accent);
    animation: pulse 2s ease-in-out infinite;
}

.yume-heading {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 25px;
    color: var(--color-text);
}

.yume-text {
    font-size: 1.2rem;
    line-height: 2.2;
    color: var(--color-text-secondary);
    font-weight: 300;
    letter-spacing: 0.02em;
}

/* 夢花火プラン詳細 */
.yume-plan-section {
    margin-bottom: 60px;
}

.plan-details-card {
    background: rgba(26, 26, 46, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(183, 148, 246, 0.3);
    border-radius: 0;
    padding: 60px;
    box-shadow: var(--shadow-card), 0 0 50px rgba(183, 148, 246, 0.25);
    position: relative;
    overflow: hidden;
}

.plan-details-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-purple), var(--color-pink));
    opacity: 0.6;
}

.plan-details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.plan-detail-item {
    text-align: center;
    padding: 35px;
    background: rgba(183, 148, 246, 0.08);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(183, 148, 246, 0.3);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.plan-detail-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, var(--color-purple), var(--color-pink));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.plan-detail-item:hover {
    transform: translateY(-8px);
    background: rgba(183, 148, 246, 0.15);
    border-color: rgba(183, 148, 246, 0.6);
    box-shadow: 0 8px 25px rgba(183, 148, 246, 0.3);
}

.plan-detail-item:hover::before {
    opacity: 1;
}

.detail-icon .material-icons {
    font-size: 3.5rem;
    color: var(--color-purple);
    margin-bottom: 20px;
    filter: drop-shadow(0 0 10px rgba(183, 148, 246, 0.6));
    transition: all 0.3s ease;
}

.plan-detail-item:hover .detail-icon .material-icons {
    transform: scale(1.1);
    filter: drop-shadow(0 0 15px rgba(183, 148, 246, 0.9));
}

.plan-detail-item h3 {
    font-size: 1.4rem;
    font-weight: 500;
    margin-bottom: 18px;
    color: var(--color-text);
    letter-spacing: 0.03em;
}

.detail-price {
    font-size: 2rem;
    font-weight: 500;
    color: var(--color-accent);
    margin-bottom: 12px;
    text-shadow: 0 0 20px rgba(255, 215, 0, 0.6);
    letter-spacing: 0.05em;
    font-family: 'Shippori Mincho', 'Noto Serif JP', serif;
}

.detail-note,
.detail-text {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 2;
    font-weight: 300;
    letter-spacing: 0.01em;
}

/* 夢花火料金表 */
.yume-price-section {
    margin-bottom: 60px;
}

.price-table-card {
    background: rgba(26, 26, 46, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 110, 199, 0.3);
    border-radius: 0;
    padding: 60px;
    box-shadow: var(--shadow-card), 0 0 50px rgba(255, 110, 199, 0.25);
    position: relative;
    overflow: hidden;
}

.price-table-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    opacity: 0.6;
}

.price-table-wrapper {
    overflow-x: auto;
    margin-top: 30px;
}

.yume-price-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}

.yume-price-table th {
    background: rgba(253, 121, 168, 0.2);
    color: var(--color-text);
    padding: 20px;
    text-align: center;
    font-weight: 700;
    font-size: 1.1rem;
    border: 1px solid rgba(253, 121, 168, 0.3);
}

.yume-price-table td {
    padding: 25px 20px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text);
}

.size-name {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--color-orange);
}

.size-price {
    font-weight: 900;
    font-size: 1.5rem;
    color: var(--color-accent);
}

.size-feature {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.yume-price-table tr:hover {
    background: rgba(253, 121, 168, 0.1);
}

/* 利用シーンセクション */
.yume-scene-section {
    margin-bottom: 60px;
}

.scene-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.scene-card {
    background: linear-gradient(135deg, rgba(26, 31, 58, 0.95) 0%, rgba(10, 14, 39, 0.95) 100%);
    border: 2px solid var(--color-secondary);
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.scene-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 30px rgba(78, 205, 196, 0.4);
}

.scene-card .material-icons {
    font-size: 3rem;
    color: var(--color-secondary);
    margin-bottom: 15px;
}

.scene-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--color-text);
}

.scene-card p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.yume-application {
    border-color: var(--color-accent);
    box-shadow: 0 0 40px rgba(255, 230, 109, 0.4);
}

/* レスポンシブ: 協賛プラン表と夢花火 */
@media (max-width: 1024px) {
    .benefit-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .page-title {
        font-size: 2rem;
        flex-direction: column;
    }
    
    .plan-table-wrapper,
    .price-table-card {
        padding: 20px 10px;
    }
    
    .sponsor-plan-table,
    .yume-price-table {
        font-size: 0.9rem;
    }
    
    .sponsor-plan-table th,
    .sponsor-plan-table td,
    .yume-price-table th,
    .yume-price-table td {
        padding: 12px 8px;
    }
    
    .benefit-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .plan-details-grid,
    .scene-grid {
        grid-template-columns: 1fr;
    }
    
    .application-card,
    .yume-card,
    .plan-details-card {
        padding: 30px 20px;
    }
    
    .yume-title {
        font-size: 2.5rem;
    }
    
    .yume-subtitle {
        font-size: 1.2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-button,
    .cta-button-secondary {
        width: 100%;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .footer-section {
        text-align: center;
    }
    
    .footer-section-title {
        text-align: center;
    }
    
    .footer-links {
        gap: 12px;
        flex-direction: column;
        align-items: center;
    }
    
    .footer-link {
        font-size: 0.85rem;
    }
    
    .social-link {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .benefit-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-section {
        text-align: center;
    }
    
    .footer-section-title {
        font-size: 1rem;
    }
}

/* プライバシーポリシー・利用規約ページ専用スタイル */
.content-section {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px 60px;
}

.content-card {
    background: rgba(30, 35, 64, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    /* border: 1px solid rgba(78, 205, 196, 0.25); */
    border-radius: 12px;
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: var(--shadow-card), 0 0 50px rgba(78, 205, 196, 0.15);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.content-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card), 0 0 60px rgba(78, 205, 196, 0.25);
    border-color: rgba(78, 205, 196, 0.4);
}

.content-card .section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid rgba(78, 205, 196, 0.3);
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: 'Shippori Mincho', 'Noto Serif JP', serif;
    position: relative;
}

.content-card .section-title .material-icons {
    font-size: 1.8rem;
    color: var(--color-accent);
    opacity: 0.9;
    flex-shrink: 0;
}

.content-card .section-title::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--gradient-secondary);
}

.content-card p {
    font-size: 1rem;
    line-height: 1.9;
    color: var(--color-text);
    margin-bottom: 15px;
}

.content-card p:last-child {
    margin-bottom: 0;
}

.content-card ul {
    list-style: none;
    padding: 0;
    margin: 20px 0;
}

.content-card ul li {
    padding: 12px 0 12px 30px;
    position: relative;
    color: var(--color-text);
    line-height: 1.8;
    font-size: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.content-card ul li:last-child {
    border-bottom: none;
}

.content-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
    font-size: 1.2rem;
    width: 25px;
    height: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(78, 205, 196, 0.1);
    border-radius: 50%;
    border: 1px solid rgba(78, 205, 196, 0.3);
}

.content-card ul li:hover {
    padding-left: 35px;
    color: var(--color-accent);
    background: rgba(78, 205, 196, 0.05);
    border-radius: 6px;
    margin: 0 -10px;
    padding-right: 10px;
}

.content-card .contact-info {
    background: rgba(78, 205, 196, 0.1);
    border: 1px solid rgba(78, 205, 196, 0.3);
    border-radius: 8px;
    padding: 25px;
    margin-top: 20px;
}

.content-card .contact-info p {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.content-card .contact-info strong {
    color: var(--color-accent);
    font-weight: 600;
    min-width: 80px;
}

.content-card .contact-info a {
    color: var(--color-accent);
    text-decoration: none;
    transition: all 0.3s ease;
    border-bottom: 1px solid transparent;
}

.content-card .contact-info a:hover {
    color: var(--color-secondary);
    border-bottom-color: var(--color-secondary);
}

.content-card .update-date {
    text-align: right;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    
    font-style: italic;
}

/* ページヘッダーの改善 */
.page-header {
    padding: 50px 40px;
    margin-bottom: 50px;
    position: relative;
    overflow: hidden;
}

.page-header .page-title {
    position: relative;
    z-index: 1;
}

.page-header .page-subtitle {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .content-section {
        padding: 0;
    }
    
    .content-card {
        padding: 30px 20px;
        margin-bottom: 20px;
    }
    
    .content-card .section-title {
        font-size: 1.3rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .content-card ul li {
        padding-left: 25px;
        font-size: 0.95rem;
    }
    
    .content-card ul li::before {
        width: 20px;
        height: 20px;
        font-size: 1rem;
    }
    
    .page-header {
        padding: 40px 25px;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .page-subtitle {
        font-size: 1.1rem;
    }
    
    .content-card .contact-info {
        padding: 20px;
    }
    
    .content-card .contact-info p {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
}

@media (max-width: 480px) {
    .content-card {
        padding: 25px 15px;
    }
    
    .content-card .section-title {
        font-size: 1.2rem;
    }
    
    .content-card p,
    .content-card ul li {
        font-size: 0.9rem;
    }
    
    .page-header {
        padding: 30px 20px;
    }
    
    .page-title {
        font-size: 1.8rem;
    }
    
    .page-subtitle {
        font-size: 1rem;
    }
}