@charset "UTF-8";

:root {
    --bg: #f7f4eb;
    --bg-alt: #f0e7d3;
    --text: #17324f;
    --muted: #5f7188;
    --accent: #ff7a59;
    --accent2: #6ab7e8;
    --border: rgba(23, 50, 79, 0.14);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', 'Noto Sans JP', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at 10% 20%, rgba(255, 122, 89, 0.12), transparent 30%),
        radial-gradient(circle at 90% 80%, rgba(106, 183, 232, 0.14), transparent 30%);
    z-index: -2;
    animation: pulseBg 10s infinite alternate linear;
}

.grid-bg {
    position: fixed;
    inset: 0;
    background-image: 
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: -3;
    opacity: 0.3;
}

@keyframes pulseBg {
    0% { transform: scale(1); }
    100% { transform: scale(1.1); }
}

button, a {
    font: inherit;
}

/* ============================================================
   Loading
   ============================================================ */
#loading {
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at 18% 20%, rgba(255, 122, 89, 0.22), transparent 22%),
        radial-gradient(circle at 82% 78%, rgba(106, 183, 232, 0.24), transparent 24%),
        linear-gradient(135deg, #fdf7ea 0%, #f0e3c7 100%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: opacity 0.6s ease, visibility 0.6s ease, filter 0.2s ease;
    overflow: hidden;
    padding: 24px;
}

#loading::before,
#loading::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0;
    transform: translateX(-100%);
}

#loading::before {
    background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,0.35) 20%, transparent 40%, rgba(255,122,89,0.20) 60%, transparent 80%);
}

#loading::after {
    background: linear-gradient(90deg, transparent 0%, rgba(23, 50, 79, 0.16) 45%, transparent 55%, rgba(255, 122, 89, 0.16) 100%);
}

#loading.is-hidden {
    opacity: 0;
    visibility: hidden;
}

/* サッカーボール */
.loading-ball {
    font-size: 4rem;
    line-height: 1;
    display: block;
    margin-bottom: 24px;
    filter: drop-shadow(0 8px 4px rgba(0,0,0,0.16));
}

.loading-ball.is-rolling {
    animation: ballBounce 0.8s ease-in-out infinite alternate;
}

@keyframes ballBounce {
    0% { transform: translateY(0) rotate(-10deg) scale(1); }
    100% { transform: translateY(-18px) rotate(10deg) scale(1.08); }
}

.loading-text {
    font-size: 1.75rem;
    font-weight: 900;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    background: linear-gradient(90deg, var(--accent), var(--accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 12px;
    animation: blink 1.5s infinite;
}

.loading-percent {
    min-height: 1.4em;
    margin-bottom: 12px;
    font-size: 1.05rem;
    font-weight: 800;
    letter-spacing: 0.2em;
    color: var(--text);
    font-variant-numeric: tabular-nums;
}

.loading-bar-wrap {
    width: min(80vw, 320px);
    height: 6px;
    background: rgba(23, 50, 79, 0.12);
    position: relative;
    overflow: visible;
    border-radius: 999px;
    box-shadow: inset 0 0 0 1px rgba(23, 50, 79, 0.1);
}

.loading-bar {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    background: linear-gradient(90deg, var(--accent2), var(--accent));
    width: 0%;
    border-radius: 999px;
    box-shadow: 0 0 16px rgba(106, 183, 232, 0.25);
    transition: width 0.12s linear, background 0.2s ease;
}

.loading-final {
    margin-top: 16px;
    font-size: 1.05rem;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text);
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

#loading.is-final .loading-final {
    opacity: 1;
    transform: translateY(0);
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* ============================================================
   Header
   ============================================================ */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(247, 244, 235, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
}

.logo a {
    color: var(--text);
    text-decoration: none;
    font-size: 1.4rem;
    font-weight: 900;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.logo a span {
    color: var(--accent);
}

.nav {
    display: flex;
    align-items: center;
}

.nav ul {
    display: flex;
    gap: 32px;
    list-style: none;
}

.nav a {
    color: var(--text);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    position: relative;
    padding: 5px 0;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--accent2);
    transition: width 0.3s ease;
}

.nav a:hover::after,
.nav a.is-current::after {
    width: 100%;
}

.hamburger {
    display: none;
    position: relative;
    width: 44px;
    height: 44px;
    border: 1px solid var(--border);
    background: transparent;
    cursor: pointer;
    z-index: 110;
}

.hamburger span {
    display: block;
    position: absolute;
    left: 10px;
    width: 22px;
    height: 2px;
    background: var(--text);
    transition: 0.3s ease;
}

.hamburger span:nth-child(1) { top: 14px; }
.hamburger span:nth-child(2) { top: 20px; }
.hamburger span:nth-child(3) { top: 26px; }

@media (max-width: 768px) {
    .header {
        padding: 15px 20px;
    }
    .hamburger {
        display: block;
    }
    .nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: var(--bg);
        flex-direction: column;
        justify-content: center;
        opacity: 0;
        visibility: hidden;
        transition: 0.4s ease;
        z-index: 100;
    }
    .nav.is-active {
        opacity: 1;
        visibility: visible;
    }
    .nav ul {
        flex-direction: column;
        align-items: center;
        gap: 40px;
    }
    .nav a {
        font-size: 1.5rem;
    }
    .hamburger.is-active {
        background: var(--accent);
        border-color: var(--accent);
    }
    .hamburger.is-active span {
        background: #fff;
    }
    .hamburger.is-active span:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }
    .hamburger.is-active span:nth-child(2) {
        opacity: 0;
    }
    .hamburger.is-active span:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
    }
}

/* ============================================================
   Main / TOP Hero
   ============================================================ */
main {
    padding-top: 80px;
}

.top {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px 20px;
    position: relative;
    background-color: var(--bg);
    background-image: url('../images/bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;
}

/* 装飾ライン */
.top::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent2), var(--accent), var(--accent2));
    z-index: 3;
}

/* 浮遊するボール装飾 */
.top-deco-ball {
    position: absolute;
    font-size: 5rem;
    opacity: 0.06;
    pointer-events: none;
    z-index: 1;
    animation: floatBall 6s ease-in-out infinite;
}

.top-deco-ball:nth-child(1) { top: 15%; left: 5%; animation-delay: 0s; font-size: 6rem; }
.top-deco-ball:nth-child(2) { top: 60%; right: 6%; animation-delay: 2s; font-size: 4rem; }
.top-deco-ball:nth-child(3) { bottom: 10%; left: 30%; animation-delay: 4s; font-size: 7rem; }

@keyframes floatBall {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(15deg); }
}

.top-content {
    position: relative;
    z-index: 2;
}

.top-theme {
    display: inline-block;
    font-size: 1.2rem;
    font-weight: 900;
    color: var(--text);
    background: var(--accent2);
    padding: 8px 24px;
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    transform: skewX(-15deg);
}

.top-theme span {
    display: inline-block;
    transform: skewX(15deg);
}

.heading-hero {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 30px;
    text-transform: uppercase;
}

/* 一文字ずつアニメーション */
.js-split-text span {
    display: inline-block;
    opacity: 0;
    transform: translateY(20px) scale(0.9);
    transition: opacity 0.5s cubic-bezier(0.2, 0, 0, 1), transform 0.5s cubic-bezier(0.2, 0, 0, 1);
}

.js-split-text.is-animated span {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* TOP の日付バッジ */
.top-date-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: rgba(23, 50, 79, 0.06);
    border: 1px solid var(--border);
    padding: 10px 22px;
    margin-bottom: 32px;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.top-date-badge .badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(1.4); }
}

/* TOP のSNSリンク */
.top-sns {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 28px;
}

.btn-insta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--muted);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    transition: background 0.25s, color 0.25s, border-color 0.25s;
}

.btn-insta:hover {
    background: var(--text);
    color: var(--bg);
    border-color: var(--text);
}

.btn-insta svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* ============================================================
   Full-Width Sections (グラスモーフィズム ＆ 重ね合わせ)
   ============================================================ */
.full-section {
    display: flex;
    align-items: center;
    min-height: 80vh;
    padding: 80px 4vw;
    position: relative;
    background: var(--bg);
    overflow: hidden;
}

/* 画像を背景に敷くのではなく、絶対配置で大きく置く */
.fs-image {
    position: absolute;
    top: 60px;
    bottom: 60px;
    left: 4vw;
    width: 65%; /* 画面の65%の幅 */
    background-size: cover;
    background-position: center;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(23, 50, 79, 0.15);
}
.full-section:nth-child(even) .fs-image {
    left: auto;
    right: 4vw;
}

/* グラスモーフィズムを適用したテキストエリア */
.fs-content {
    position: relative;
    z-index: 2;
    margin-left: auto; /* 右に寄せる */
    width: 45%; /* 画像と重なるように幅を持たせる */
    padding: 60px 50px;
    
    /* すりガラス風（グラスモーフィズム）のキモ */
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    
    border-radius: 20px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.08);
}
.full-section:nth-child(even) .fs-content {
    margin-left: 0;
    margin-right: auto; /* 左に寄せる */
}

.fs-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    margin-bottom: 20px;
    font-weight: 900;
    position: relative;
    display: inline-block;
}

.text-shadow-solid { text-shadow: 4px 4px 0px rgba(0, 208, 255, 0.5); }
.full-section:nth-child(even) .text-shadow-solid { text-shadow: 4px 4px 0px rgba(255, 71, 51, 0.5); }

.fs-desc {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text);
    font-weight: 700;
    margin-bottom: 30px;
}

/* ボタンのデザインも少しモダンに調整 */
.btn-solid {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 40px;
    background: var(--text);
    color: white;
    text-decoration: none;
    font-weight: 800;
    letter-spacing: 0.1em;
    border-radius: 50px;
    box-shadow: 0 8px 20px rgba(23, 50, 79, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.btn-solid:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 25px rgba(23, 50, 79, 0.3);
}

.anim-fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.2, 0, 0, 1);
}
.anim-fade-up.is-animated { opacity: 1; transform: translateY(0); }

/* スマホ用レスポンシブ（画像の上にテキストカードを食い込ませる） */
@media (max-width: 900px) {
    .full-section {
        flex-direction: column;
        padding: 40px 20px;
        min-height: auto;
    }
    .fs-image {
        position: relative;
        top: 0; bottom: 0; left: 0; right: 0;
        width: 100%;
        height: 350px;
        border-radius: 12px;
        /* テキストカードを画像に被せるネガティブマージン */
        margin-bottom: -60px; 
    }
    .fs-content {
        width: 90%;
        margin: 0 auto !important; /* 中央寄せ */
        padding: 40px 24px;
    }
}

/* ----------------------------------
   トップページ：カウントダウンタイマー
---------------------------------- */
.countdown-section {
    background: var(--text);
    color: white;
    padding: 24px 20px;
    display: flex;
    justify-content: center;
    position: relative;
    z-index: 10;
    box-shadow: 0 10px 30px rgba(23, 50, 79, 0.2);
}
.countdown-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}
.countdown-label {
    font-size: 0.85rem;
    font-weight: 800;
    letter-spacing: 0.2em;
    color: var(--accent);
}
.countdown-timer {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: 'Montserrat', sans-serif;
}
.time-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 60px;
}
.time-box span {
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1;
}
.time-box small {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 4px;
}
.colon {
    font-size: 2rem;
    font-weight: 900;
    color: var(--muted);
    margin-bottom: 14px;
    animation: blink 1s infinite;
}
@media (min-width: 768px) {
    .countdown-section { padding: 35px; }
    .countdown-inner { flex-direction: row; gap: 40px; }
    .time-box { width: 80px; }
    .time-box span { font-size: 3.5rem; }
    .colon { font-size: 2.5rem; margin-bottom: 20px; }
}

/* ============================================================
   Booth Page
   ============================================================ */
.booth-top {
    background-image: linear-gradient(135deg, rgba(247, 244, 235, 0.85), rgba(255, 255, 255, 0.3)), url('../images/bg.png');
}

/* 学年インジケーター（旧 floor-sticky-indicator） */
.floor-sticky-indicator {
    position: sticky;
    top: 84px;
    z-index: 40;
    display: flex;
    align-items: center;
    gap: 16px;
    max-width: 980px;
    margin: 0 auto 24px;
    padding: 14px 20px;
    background: rgba(247, 244, 235, 0.97);
    border: 1px solid var(--border);
    box-shadow: 0 10px 25px rgba(23, 50, 79, 0.08);
    backdrop-filter: blur(8px);
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.floor-sticky-indicator.is-switching {
    transform: translateY(4px);
    opacity: 0.85;
}

.floor-sticky-copy {
    flex: 1;
    min-width: 0;
}

.floor-sticky-label {
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 2px;
}

.floor-sticky-copy h3 {
    font-size: 1rem;
    font-weight: 900;
}

/* 学年ナビゲーション */
.floor-jump-links {
    display: flex;
    gap: 6px;
    margin-left: auto;
}

.floor-jump-links a {
    padding: 8px 14px;
    background: transparent;
    color: var(--text);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    border: 1px solid var(--border);
    transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.floor-jump-links a:hover {
    background: var(--text);
    color: var(--bg);
    border-color: var(--text);
}

/* フロアセクション */
.floor-section {
    max-width: 980px;
    margin: 0 auto 36px;
    padding: 28px 24px 36px;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid var(--border);
    box-shadow: 0 16px 40px rgba(23, 50, 79, 0.06);
    scroll-margin-top: 140px;
}

.floor-section-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.floor-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 58px;
    height: 58px;
    border-radius: 12px;
    background: var(--text);
    color: white;
    font-weight: 900;
    letter-spacing: 0.1em;
    font-size: 1.1rem;
}

.floor-section-header h2 {
    font-size: clamp(1.3rem, 2.3vw, 1.7rem);
    margin-bottom: 6px;
}

.floor-section-header p {
    color: var(--muted);
}

/* ブースグリッド */
.booth-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

/* ブースカード（クリック可能） */
.booth-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 0;
    background: rgba(247, 244, 235, 0.9);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    cursor: pointer;
}

.booth-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(23, 50, 79, 0.12);
}

.booth-card:focus-visible {
    outline: 2px solid var(--accent2);
    outline-offset: 2px;
}

.booth-image-wrap {
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    position: relative;
}

.booth-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.35s ease;
}

.booth-card:hover .booth-image-wrap img {
    transform: scale(1.06);
}

/* タップヒント */
.booth-image-wrap::after {
    content: '詳細を見る';
    position: absolute;
    inset: 0;
    background: rgba(23, 50, 79, 0.6);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    opacity: 0;
    transition: opacity 0.25s ease;
}

.booth-card:hover .booth-image-wrap::after {
    opacity: 1;
}

.booth-card-body {
    flex: 1;
    min-width: 0;
    padding: 16px 18px 18px;
    display: flex;
    flex-direction: column;
}

.booth-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 8px;
}

.booth-class {
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.18em;
    color: var(--accent);
    text-transform: uppercase;
}

.booth-room {
    font-size: 0.74rem;
    font-weight: 700;
    color: var(--muted);
}

.booth-card h3 {
    font-size: 1rem;
    margin-bottom: 6px;
    font-weight: 900;
}

.booth-description {
    font-size: 0.88rem;
    line-height: 1.75;
    color: var(--muted);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-top: auto;
}

.favorite-toggle {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.92);
    color: var(--muted);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 20px rgba(23, 50, 79, 0.13);
    cursor: pointer;
    z-index: 20;
    transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.favorite-toggle:hover {
    transform: translateY(-2px);
}

.favorite-toggle.is-active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.favorite-toggle span {
    font-size: 1.05rem;
    line-height: 1;
}

.top {
    position: relative;
}

.favorites-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 100; /* ヘッダーと同じくらい前面に */
}

.header .favorites-float {
    position: relative;
    top: auto;
    right: auto;
    z-index: auto;
}

.nav-favorites-item {
    display: flex;
    align-items: center;
}

.favorites-trigger {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 2px solid var(--text);
    background: white;
    color: var(--text);
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    cursor: pointer;
    box-shadow: 0 10px 25px rgba(23, 50, 79, 0.15);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.favorites-trigger:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 30px rgba(23, 50, 79, 0.2);
}

.favorites-trigger.is-active {
    background: var(--text);
    color: white;
    border-color: var(--text);
}

.favorites-trigger-icon {
    font-size: 1.1rem;
    line-height: 1;
    color: var(--accent); 
}
.favorites-trigger.is-active .favorites-trigger-icon {
    color: var(--accent);
}

.favorites-panel {
    position: absolute;
    bottom: calc(100% + 16px);
    right: 0;
    top: auto; /* 上書き: 上には開かないようにする */
    width: min(90vw, 340px);
    max-height: min(60vh, 420px);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(23, 50, 79, 0.2);
    padding: 20px;
    transform-origin: bottom right;
    animation: popupPanel 0.3s cubic-bezier(0.2, 0, 0, 1) forwards;
}

@keyframes popupPanel {
    from { opacity: 0; transform: scale(0.95) translateY(10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.favorites-panel[hidden] {
    display: none;
}

/* スマホ用の調整（右下の邪魔にならないようにアイコンだけの丸ボタンにする） */
@media (max-width: 768px) {
    .favorites-float {
        top: auto; /* ここを追加して以前のtop指定を打ち消す */
        bottom: 20px; /* 下からの位置を指定 */
        right: 20px;
    }
    .favorites-trigger {
        padding: 16px;
        border-radius: 50%;
        border-width: 2px;
    }
    .favorites-trigger-label {
        display: none; /* スマホでは「FAVORITE」の文字を隠す */
    }
    .favorites-trigger-icon {
        font-size: 1.4rem;
    }
    .favorites-panel {
        width: calc(100vw - 40px); /* 画面幅いっぱいに広げる */
        right: 0;
    }
}

.favorites-panel[hidden] {
    display: none;
}

.favorites-panel-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.favorites-eyebrow {
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.2em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.favorites-panel-header h2 {
    font-size: 1rem;
}

.favorites-clear {
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text);
    padding: 8px 10px;
    font-size: 0.78rem;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
}

.favorites-clear:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.favorites-list {
    display: grid;
    gap: 10px;
    max-height: 310px;
    overflow-y: auto;
}

.favorites-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 10px 10px;
    background: rgba(247, 244, 235, 0.92);
    border: 1px solid var(--border);
}

.favorites-item-link {
    flex: 1;
    border: none;
    background: transparent;
    padding: 0;
    text-align: left;
    cursor: pointer;
    color: inherit;
}

.favorites-item-meta {
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.favorites-item h3 {
    font-size: 0.89rem;
    margin-bottom: 3px;
    line-height: 1.4;
}

.favorites-item-sub {
    font-size: 0.76rem;
    color: var(--muted);
    line-height: 1.5;
}

.favorites-item.is-targeted {
    border-color: var(--accent);
    box-shadow: inset 0 0 0 1px var(--accent);
}

.favorites-remove {
    flex-shrink: 0;
    border: none;
    background: transparent;
    color: var(--accent);
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
}

.favorites-empty {
    font-size: 0.9rem;
    color: var(--muted);
    padding: 8px 0;
}

.btn-modal-favorite {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 18px;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text);
    font-weight: 800;
    cursor: pointer;
}

.btn-modal-favorite.is-active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

/* ============================================================
   Booth Modal
   ============================================================ */
.booth-modal {
    position: fixed;
    inset: 0;
    z-index: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(23, 50, 79, 0.55);
    backdrop-filter: blur(6px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.booth-modal.is-open {
    opacity: 1;
    visibility: visible;
}

.booth-modal-inner {
    background: var(--bg);
    border: 1px solid var(--border);
    max-width: 680px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    box-shadow: 0 30px 80px rgba(23, 50, 79, 0.2);
    transform: translateY(20px);
    transition: transform 0.3s cubic-bezier(0.2, 0, 0, 1);
    position: relative;
}

.booth-modal.is-open .booth-modal-inner {
    transform: translateY(0);
}

.modal-image-wrap {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--bg-alt);
    flex-shrink: 0;
}

.modal-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.modal-body {
    padding: 28px 32px 32px;
}

.modal-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.modal-class-badge {
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.2em;
    color: white;
    background: var(--accent);
    padding: 4px 14px;
    text-transform: uppercase;
}

.modal-room-badge {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--muted);
    border: 1px solid var(--border);
    padding: 4px 12px;
}

.modal-title {
    font-size: clamp(1.4rem, 3vw, 1.9rem);
    font-weight: 900;
    margin-bottom: 14px;
    line-height: 1.25;
}

.modal-desc {
    font-size: 1rem;
    line-height: 1.85;
    color: var(--muted);
    margin-bottom: 24px;
}

.modal-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn-modal-insta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--text);
    color: var(--bg);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    border: 2px solid var(--text);
    transition: background 0.25s, color 0.25s;
}

.btn-modal-insta:hover {
    background: var(--accent2);
    border-color: var(--accent2);
    color: var(--text);
}

.btn-modal-insta svg {
    width: 16px;
    height: 16px;
}

.modal-close {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 40px;
    height: 40px;
    background: var(--text);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    z-index: 10;
    transition: background 0.2s;
}

.modal-close:hover {
    background: var(--accent);
}

/* ============================================================
   Event Page
   ============================================================ */
.event-top {
    background-image: linear-gradient(135deg, rgba(247, 244, 235, 0.85), rgba(255, 255, 255, 0.3)), url('../images/bg.png');
}

.event-main {
    max-width: 980px;
    margin: 0 auto;
    padding: 40px 24px 80px;
}

/* 日付タブ */
.event-tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--border);
    margin-bottom: 40px;
    overflow-x: auto;
}

.event-tab-btn {
    padding: 14px 36px;
    border: none;
    background: transparent;
    color: var(--muted);
    font-weight: 800;
    font-size: 1rem;
    letter-spacing: 0.1em;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    white-space: nowrap;
    transition: color 0.2s, border-color 0.2s;
    text-transform: uppercase;
}

.event-tab-btn:hover {
    color: var(--text);
}

.event-tab-btn.is-active {
    color: var(--text);
    border-bottom-color: var(--accent);
}

.event-tab-panel {
    display: none;
}

.event-tab-panel.is-active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* タイムライン */
.event-timeline {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
}

.event-timeline::before {
    content: '';
    position: absolute;
    left: 90px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--border);
}

.timeline-item {
    display: flex;
    gap: 0;
    padding: 0 0 32px 0;
    position: relative;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

/* 時刻 */
.timeline-time {
    flex-shrink: 0;
    width: 90px;
    text-align: right;
    padding-right: 20px;
    padding-top: 4px;
}

.timeline-time-text {
    font-size: 0.92rem;
    font-weight: 800;
    color: var(--text);
    display: block;
    font-variant-numeric: tabular-nums;
}

.timeline-time-end {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--muted);
    display: block;
    margin-top: 2px;
}

/* ドット */
.timeline-dot {
    flex-shrink: 0;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent2);
    margin-top: 6px;
    border: 2px solid var(--bg);
    box-shadow: 0 0 0 2px var(--accent2);
    position: relative;
    z-index: 1;
}

.timeline-item.is-highlight .timeline-dot {
    background: var(--accent);
    box-shadow: 0 0 0 2px var(--accent);
    width: 16px;
    height: 16px;
    margin-top: 4px;
    margin-left: -2px;
}

/* カード */
.timeline-card {
    flex: 1;
    min-width: 0;
    margin-left: 20px;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid var(--border);
    padding: 16px 20px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.timeline-card:hover {
    transform: translateX(4px);
    box-shadow: 0 8px 24px rgba(23, 50, 79, 0.08);
}

.timeline-item.is-highlight .timeline-card {
    border-left: 3px solid var(--accent);
    background: rgba(255, 122, 89, 0.04);
}

.timeline-card-header {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.timeline-card h3 {
    font-size: 1.05rem;
    font-weight: 900;
    flex: 1;
    min-width: 0;
}

.event-tag {
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 3px 10px;
    border: 1px solid currentColor;
    flex-shrink: 0;
}

.event-tag.tag-stage { color: var(--accent); }
.event-tag.tag-outdoor { color: #4caf77; }
.event-tag.tag-food { color: #d4960a; }
.event-tag.tag-indoor { color: var(--accent2); }

.timeline-card-info {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.timeline-location {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.83rem;
    color: var(--muted);
    font-weight: 700;
}

.timeline-location svg {
    width: 13px;
    height: 13px;
    flex-shrink: 0;
}

.timeline-desc {
    font-size: 0.88rem;
    color: var(--muted);
    line-height: 1.7;
    margin-top: 8px;
}

/* セクションタイトル（日付別） */
.event-section-label {
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 28px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.event-section-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

@media (max-width: 600px) {
    .event-timeline::before {
        left: 70px;
    }
    .timeline-time {
        width: 70px;
        padding-right: 14px;
    }
    .timeline-time-text {
        font-size: 0.82rem;
    }
    .event-tab-btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
}

/* ============================================================
   Event Page - タイムテーブル(グリッド)スタイル
   ============================================================ */

/* 会場説明 (前回から維持) */
.stage-info-section {
    margin-bottom: 40px;
    padding: 24px;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid var(--border);
    border-radius: 8px;
}
.stage-info-title {
    font-size: 1.2rem;
    font-weight: 900;
    margin-bottom: 20px;
    display: flex;
    align-items: baseline;
    gap: 10px;
}
.stage-info-title span {
    font-size: 0.8rem;
    color: var(--muted);
}
.stage-info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.stage-info-card h3 {
    font-size: 0.95rem;
    font-weight: 900;
    margin: 8px 0 4px;
}
.stage-info-card p {
    font-size: 0.8rem;
    color: var(--muted);
    line-height: 1.6;
}
.stage-info-icon {
    width: 28px;
    height: 28px;
    color: var(--accent);
}

/* タイムテーブル本体 */
.timetable-wrapper {
    background: white;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow-x: auto;
    overflow-y: hidden;
    box-shadow: 0 10px 30px rgba(23, 50, 79, 0.05);
    /* --scale: 1分あたりの高さ(px) */
    --scale: 3px; 
}

/* ヘッダー行 */
.tt-headers {
    display: flex;
    align-items: center;
    background: rgba(241, 236, 218, 0.95);
    border-bottom: 2px solid var(--text);
    position: sticky;
    top: 0; /* headerの下に固定 */
    z-index: 30;
    backdrop-filter: blur(5px);
}
.tt-place-row {
    display: flex;
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.95);
}
.tt-place-time {
    width: 55px;
    flex: none;
    border-right: 2px solid var(--text);
}
.tt-place-cell {
    flex: 1;
    text-align: center;
    font-size: 0.8rem;
    font-weight: 800;
    color: var(--text);
    padding: 8px 4px;
    border-right: 1px dashed var(--border);
}
.tt-place-cell:last-child {
    border-right: none;
}
.tt-header {
    flex: 1;
    text-align: center;
    font-weight: 900;
    font-size: 0.95rem;
    padding: 12px 4px;
    border-right: 1px solid var(--border);
}
.tt-header:last-child {
    border-right: none;
}
.tt-header.time-col {
    width: 55px;
    flex: none;
    border-right: 2px solid var(--text);
    color: var(--muted);
    font-size: 0.8rem;
}

/* ボディ行 (高さはHTML側で --total-mins * scale) */
.tt-body {
    display: flex;
    position: relative;
    height: calc((var(--total-mins) * var(--scale)) + 24px);
    padding: 12px 0;
    /* 背景のボーダーライン（60分ごと） */
    background-image: repeating-linear-gradient(
        to bottom,
        var(--border) 0,
        var(--border) 1px,
        transparent 1px,
        transparent calc(60 * var(--scale))
    );
}

/* 一般開場の横線 */
.tt-open-line {
    position: absolute;
    left: 55px;
    right: 0;
    border-top: 2px dashed #ff4733;
    z-index: 5;
    pointer-events: none;
}
.tt-open-line span {
    position: absolute;
    right: 8px;
    top: -16px;
    font-size: 0.75rem;
    font-weight: 900;
    color: #ff4733;
    background: white;
    padding: 0 4px;
}

/* 左端の時間軸 */
.tt-time-axis {
    width: 55px;
    flex: none;
    position: relative;
    border-right: 2px solid var(--text);
    background: rgba(255,255,255,0.5);
    z-index: 10;
    padding-top: 12px;
    box-sizing: border-box;
}
.tt-time-label {
    position: absolute;
    right: 8px;
    transform: translateY(-50%);
    font-size: 0.8rem;
    font-weight: 800;
    color: var(--muted);
}

/* 各ステージの列 */
.tt-col {
    flex: 1;
    position: relative;
    border-right: 1px dashed var(--border);
}
.tt-col:last-child {
    border-right: none;
}

/* イベントブロック */
.tt-item {
    position: absolute;
    left: 4px;
    right: 4px;
    /* topとheightはHTMLのstyle変数で計算 */
    top: calc(var(--start) * var(--scale));
    height: calc(var(--duration) * var(--scale));
    
    background: white;
    border-left: 4px solid var(--text);
    border-radius: 4px;
    padding: 6px 40px 6px 8px;
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(23, 50, 79, 0.08);
    transition: transform 0.15s, box-shadow 0.15s;
    z-index: 15;
}
.tt-item:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 16px rgba(23, 50, 79, 0.15);
    z-index: 20;
}

/* ステージごとのカラーテーマ */
.col-main .tt-item {
    border-left-color: var(--accent);
    background: rgba(255, 122, 89, 0.06);
}
.col-hall .tt-item {
    border-left-color: var(--accent2);
    background: rgba(106, 183, 232, 0.06);
}
.col-keion .tt-item {
    border-left-color: #4caf77;
    background: rgba(76, 175, 119, 0.06);
}

/* ブロック内のテキスト */
.tt-item-time {
    font-size: 0.7rem;
    font-weight: 800;
    color: var(--muted);
    line-height: 1.1;
    margin-bottom: 4px;
}
.tt-item-title {
    font-size: 0.85rem;
    font-weight: 900;
    line-height: 1.25;
}

/* モーダル用リストスタイル (有志団体の一覧用) */
.modal-desc ul {
    list-style: none;
    padding-left: 10px;
}
.modal-desc ul li {
    position: relative;
    margin-bottom: 4px;
}
.modal-desc ul li::before {
    content: '-';
    position: absolute;
    left: -12px;
    color: var(--accent);
}

/* ============================================================
   レスポンシブ (スマホ向けに横並びをキープしつつ調整)
   ============================================================ */
@media (max-width: 768px) {
    .stage-info-grid {
        grid-template-columns: 1fr;
    }
    .tt-header {
        font-size: 0.75rem;
        padding: 10px 2px;
        word-break: keep-all;
    }
    .tt-place-cell {
        font-size: 0.7rem;
        padding: 7px 2px;
    }
    .tt-place-time {
        width: 42px;
    }
    .tt-header.time-col {
        width: 42px;
        font-size: 0.65rem;
    }
    .tt-time-axis {
        width: 42px;
    }
    .tt-time-label {
        font-size: 0.7rem;
        right: 4px;
    }
    .tt-item {
        left: 2px;
        right: 2px;
        padding: 4px;
        border-left-width: 3px;
    }
    .tt-item-time {
        font-size: 0.6rem;
        margin-bottom: 2px;
    }
    .tt-item-title {
        font-size: 0.75rem;
        line-height: 1.15;
    }
    .tt-open-line {
        left: 42px;
    }
    .tt-open-line span {
        font-size: 0.65rem;
        top: -16px;
    }
}

/* ============================================================
   Footer / Common
   ============================================================ */
.footer {
    border-top: 1px solid var(--border);
    padding: 40px 20px;
    text-align: center;
    background: var(--bg-alt);
}

.footer p {
    color: var(--text);
    font-size: 0.85rem;
    letter-spacing: 0.05em;
}

/* ============================================================
   Responsive — Booth
   ============================================================ */
@media (max-width: 1100px) {
    .booth-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .floor-sticky-indicator {
        top: 72px;
        margin-bottom: 16px;
        padding: 10px 14px;
        flex-wrap: wrap;
        gap: 10px;
    }

    .floor-jump-links {
        width: 100%;
    }

    .floor-jump-links a {
        flex: 1;
        text-align: center;
        padding: 7px 10px;
        font-size: 0.75rem;
    }

    .floor-section {
        padding: 20px 16px 28px;
    }

    .booth-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
    }

    .booth-card-body {
        padding: 12px 12px 14px;
    }

    .booth-card h3 {
        font-size: 0.92rem;
    }

    .booth-description {
        font-size: 0.82rem;
    }

    .modal-body {
        padding: 20px 20px 28px;
    }

    .modal-title {
        font-size: 1.3rem;
    }
}



/* ----------------------------------
   トップページ：Instagramセクション
---------------------------------- */
.instagram-section {
    padding: 80px 20px;
    background: var(--bg-alt);
    text-align: center;
    border-top: 1px solid var(--border);
}
.instagram-header {
    margin-bottom: 40px;
}
.instagram-header h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 900;
    margin-bottom: 12px;
    color: var(--text);
}
.instagram-header p {
    color: var(--muted);
    font-weight: 700;
    margin-bottom: 30px;
    line-height: 1.6;
}
.btn-insta-large {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    color: white;
    padding: 16px 36px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 800;
    box-shadow: 0 10px 20px rgba(220, 39, 67, 0.25);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.btn-insta-large:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 28px rgba(220, 39, 67, 0.4);
    color: white;
}
.btn-insta-large svg {
    width: 24px;
    height: 24px;
}
.instagram-feed {
    width: 100%;
    display: flex;
    justify-content: center;
}

/* ----------------------------------
   トップページ：無限横スクロールスライダー
---------------------------------- */
.marquee-slider {
    width: 100%;
    overflow: hidden;
    background: var(--bg-alt); /* 背景色。不要なら transparent に */
    padding: 20px 0;
    display: flex;
}

.marquee-track {
    display: flex;
    width: max-content;
    /* 30sは速度です。数値を小さくすると速く、大きくすると遅くなります */
    animation: marquee 30s linear infinite; 
}

/* スライダーがホバーされたら一時停止（お好みで） */
.marquee-slider:hover .marquee-track {
    animation-play-state: paused;
}

.marquee-track img {
    height: 250px; /* 画像の高さ */
    width: auto;
    object-fit: cover;
    margin-right: 20px; /* 画像と画像の間の隙間 */
    border-radius: 8px; /* 角を少し丸くする */
    box-shadow: 0 4px 12px rgba(23, 50, 79, 0.1);
}

/* ちょうど半分の位置（5枚目と6枚目の間）まできたら一瞬で0に戻すことで無限ループさせる */
@keyframes marquee {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* スマホ用の調整（画像の高さを少し小さくする） */
@media (max-width: 768px) {
    .marquee-track img {
        height: 180px;
        margin-right: 12px;
    }
}