/* ==========================================================================
   1. YOSAKOI MATSURI - CSS VARIABLES
   ========================================================================== */
:root {
    --vermilion: #E53935;         /* 祭りの情熱・朱色 */
    --vermilion-dark: #C62828;
    --indigo: #1A237E;            /* 法被の藍色 */
    --indigo-dark: #0D144A;
    --gold: #FBC02D;              /* 鳴子の煌めき・黄金色 */
    --gold-dark: #F57F17;
    --ink-black: #212121;         /* 墨色 */
    --paper-white: #FAFAFA;       /* 和紙のような白 */
    --bg-cream: #F5F2EC;          /* 落ち着いた生成り色 */
    
    --font-sans: 'Noto Sans JP', sans-serif;
    --font-mincho: 'Shippori Mincho', serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font-sans);
    background-color: var(--paper-white); 
    color: var(--ink-black);
    line-height: 1.7;
    overflow-x: hidden;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23e53935' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
body.menu-open { overflow: hidden; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }

.sp-only { display: none; }

/* ==========================================================================
   2. MATSURI UTILITIES
   ========================================================================== */
.text-vermilion { color: var(--vermilion); }
.text-gold { color: var(--gold); }
.text-indigo { color: var(--indigo); }
.text-white { color: #FFFFFF; }
.text-light { color: #E0E0E0; }
.bg-cream { background-color: var(--bg-cream); }
.bg-indigo { background-color: var(--indigo); color: #FFF; }
.bg-indigo-dark { background-color: var(--indigo-dark); color: #FFF; }
.bg-vermilion { background-color: var(--vermilion); color: #FFF; }
.border-vermilion { border-left: 6px solid var(--vermilion); background-color: #FFEBEE; }
.border-gold { border-left: 4px solid var(--gold); background-color: rgba(251, 192, 45, 0.1); }
.mx-auto { margin-left: auto; margin-right: auto; }

.matsuri-tag {
    background: var(--indigo);
    color: #FFF;
    border: 1px solid var(--gold);
    box-shadow: 2px 2px 0 var(--gold);
}
.matsuri-badge-gold {
    background: var(--gold);
    color: var(--ink-black);
    border: 1px solid var(--gold-dark);
}
.center-text { text-align: center; }
.text-center { text-align: center; }
.mt-10 { margin-top: 10px; }
.mt-15 { margin-top: 15px; }

/* ==========================================================================
   3. HEADER & NAV
   ========================================================================== */
.site-header {
    background-color: var(--paper-white); 
    border-bottom: 3px solid var(--indigo);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    position: sticky; top: 0; z-index: 100; padding: 10px 0;
}
.header-container { display: flex; justify-content: space-between; align-items: center; }
.site-logo img { height: 36px; width: auto; display: block; }
.drawer-logo img { height: 32px; width: auto; display: block; }
.header-right-box { display: flex; align-items: center; gap: 18px; }

.menu-trigger { width: 30px; height: 22px; background: none; border: none; cursor: pointer; position: relative; z-index: 106; }
.menu-trigger span { display: block; position: absolute; width: 100%; height: 3px; background-color: var(--ink-black); border-radius: 2px; transition: all 0.3s ease; }
.menu-trigger span:nth-child(1) { top: 0; }
.menu-trigger span:nth-child(2) { top: 9px; }
.menu-trigger span:nth-child(3) { top: 18px; }
.menu-trigger.is-active span:nth-child(1) { transform: translateY(9px) rotate(-45deg); background-color: var(--vermilion); }
.menu-trigger.is-active span:nth-child(2) { opacity: 0; }
.menu-trigger.is-active span:nth-child(3) { transform: translateY(-9px) rotate(45deg); background-color: var(--vermilion); }

.drawer-menu {
    position: fixed; top: 0; right: -105%; width: 88%; max-width: 340px; height: 100vh;
    background: var(--paper-white); border-left: 4px solid var(--indigo);
    z-index: 105; transition: right 0.4s cubic-bezier(0.25, 1, 0.5, 1); display: flex; flex-direction: column; overflow-y: auto;
}
.drawer-menu.is-open { right: 0; box-shadow: -5px 0 20px rgba(0,0,0,0.2); }
.drawer-header { padding: 24px; border-bottom: 2px dashed #CCC; display: flex; justify-content: space-between; align-items: center;}
.menu-close-btn { background: none; border: none; font-size: 1.8rem; color: var(--vermilion); cursor: pointer; }
.drawer-nav-list { list-style: none; }
.drawer-nav-list li { border-bottom: 1px solid #EEE; }
.drawer-nav-list a { display: flex; align-items: center; padding: 22px; color: var(--ink-black); text-decoration: none; font-weight: 700; transition: 0.3s;}
.drawer-nav-list a:hover { background-color: #FFF3E0; color: var(--vermilion); padding-left: 30px; }
.nav-icon { color: var(--indigo); width: 30px; font-size: 1.2rem; margin-right: 10px; }

.drawer-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.7); z-index: 101; opacity: 0; visibility: hidden; transition: opacity 0.3s; }
.drawer-overlay.is-active { opacity: 1; visibility: visible; }

/* ==========================================================================
   3-2. BREADCRUMB (パンくずリスト)
   ========================================================================== */
.breadcrumb-container { background-color: #FFF; border-bottom: 1px solid #EEE; padding: 8px 0; }
.breadcrumb-list { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.breadcrumb-list li { font-size: 0.8rem; color: #666; display: flex; align-items: center; gap: 8px; font-weight: 500; }
.breadcrumb-list li:not(:last-child)::after { content: '\f105'; font-family: "Font Awesome 6 Free"; font-weight: 900; color: #CCC; font-size: 0.8rem; }
.breadcrumb-list a { text-decoration: none; color: #666; transition: color 0.2s; }
.breadcrumb-list a:hover { color: var(--vermilion); text-decoration: underline; }
.breadcrumb-list li[aria-current="page"] { color: var(--indigo); font-weight: 700; }

/* ==========================================================================
   4. HERO SECTION & アニメーションバッジ
   ========================================================================== */
.hero-section { position: relative; height: 70vh; min-height: 500px; display: flex; align-items: center; color: #FFF; overflow: hidden; }
.hero-image-bg {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: url('https://www.orion-tour.co.jp/bustour/yosakoi/img/yosakoi1200x900-001.jpg') center/cover;
    filter: brightness(0.9) contrast(1.2); z-index: 1;
    transform: scale(1.05); animation: zoomOut 15s forwards ease-out;
}
@keyframes zoomOut { to { transform: scale(1); } }

.hero-overlay-matsuri {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(26,35,126,0.85) 0%, rgba(229,57,53,0.4) 100%);
    z-index: 2;
}
.hero-content { position: relative; z-index: 3; max-width: 900px; }
.hero-badge-group { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-bottom: 16px; }
.hero-badge-group .hero-sub-tag { margin-bottom: 0; }
.hero-sub-tag { font-weight: 700; padding: 6px 12px; font-size: 0.9rem; border-radius: 4px; display: inline-block; letter-spacing: 1px;}

/* PC用：拡大するパルスアニメーション */
.departure-decided-tag {
    background: linear-gradient(135deg, #FFD54F, #FF8F00);
    color: #111; border: 2px solid #FFF; font-size: 1.1rem; font-weight: 900; padding: 8px 20px;
    animation: pulse-glow 2s infinite; transform-origin: left center;
}
@keyframes pulse-glow {
    0% { transform: scale(1); box-shadow: 0 0 10px rgba(255, 143, 0, 0.4); }
    50% { transform: scale(1.03); box-shadow: 0 0 25px rgba(255, 143, 0, 0.9); }
    100% { transform: scale(1); box-shadow: 0 0 10px rgba(255, 143, 0, 0.4); }
}

.hero-main-title { font-family: var(--font-mincho); font-size: 3.2rem; line-height: 1.3; margin-bottom: 16px; font-weight: 800; text-shadow: 2px 4px 10px rgba(0,0,0,0.6); }
.title-sub { display: block; font-family: var(--font-sans); font-size: 1.4rem; font-weight: 900; margin-bottom: 8px; }
.hero-description { font-size: 1.1rem; margin-bottom: 0; color: #FFF; text-shadow: 1px 1px 5px rgba(0,0,0,0.8); max-width: 720px; font-weight: 500;}

/* ==========================================================================
   4-2. AIO: AIセマンティック・サマリーバー
   ========================================================================== */
.ai-semantic-lead-bar { background-color: var(--paper-white); padding: 35px 0 20px; position: relative; }
.matsuri-summary-box {
    background: #FFFFFF; border: 1px solid #E0DCD3; border-top: 4px solid var(--indigo); border-radius: 8px; padding: 25px 35px; box-shadow: 0 10px 30px rgba(26, 35, 126, 0.04); position: relative;
}
.matsuri-summary-box::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; opacity: 0.15; pointer-events: none; border-radius: 8px;
    background-image: radial-gradient(var(--indigo) 0.5px, transparent 0.5px), radial-gradient(var(--indigo) 0.5px, #FFFFFF 0.5px);
    background-size: 20px 20px; background-position: 0 0, 10px 10px; mask-image: linear-gradient(to bottom, rgba(0,0,0,1), rgba(0,0,0,0)); -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,1), rgba(0,0,0,0));
}
.summary-inner { position: relative; z-index: 2; }
.summary-badge {
    display: inline-flex; align-items: center; gap: 6px; font-size: 0.75rem; font-weight: 900; color: var(--indigo); background-color: rgba(26, 35, 126, 0.06); padding: 4px 12px; border-radius: 50px; letter-spacing: 1px; margin-bottom: 12px;
}
.ai-semantic-lead { font-size: 1rem; color: var(--ink-black); line-height: 1.9; text-align: justify; letter-spacing: 0.02em; }
.lead-strong { color: var(--vermilion); font-weight: 900; font-size: 1.05rem; display: inline-block; }

/* 共通ボタンスタイル基盤 */
.btn-yosakoi {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 12px !important;
    background-color: var(--vermilion) !important;
    color: #FFFFFF !important;
    text-decoration: none !important;
    font-family: var(--font-sans) !important;
    font-weight: 900 !important;
    border-radius: 8px !important;
    box-shadow: 4px 4px 0 var(--gold) !important;
    transition: all 0.2s ease-in-out !important;
    cursor: pointer !important;
    border: none !important;
}
.btn-yosakoi:hover {
    background-color: var(--vermilion-dark) !important;
    transform: translate(2px, 2px) !important;
    box-shadow: 2px 2px 0 var(--gold) !important;
}

/* ==========================================================================
   5. QUICK FEATURES
   ========================================================================== */
.quick-features-bar { background-color: var(--bg-cream); padding: 25px 0; border-bottom: 2px dashed #CCC; }
.features-flex-container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.yosakoi-card {
    background: #FFF; border: 2px solid var(--indigo); border-radius: 8px; padding: 16px 12px;
    display: flex; flex-direction: column; align-items: center; text-align: center;
    box-shadow: 3px 3px 0 var(--indigo); transition: 0.2s;
}
.yosakoi-card:hover { transform: translate(-2px, -2px); box-shadow: 5px 5px 0 var(--vermilion); border-color: var(--vermilion); }
.feature-icon-wrap i { font-size: 2rem; color: var(--vermilion); margin-bottom: 8px;}
.feature-text { font-size: 0.95rem; font-weight: 900; color: var(--ink-black); }

/* ==========================================================================
   6. CONTENT SECTIONS
   ========================================================================== */
.content-section { padding: 55px 0; }
.section-header-center { max-width: 850px; margin: 0 auto 30px; text-align: center; }

.section-category { font-weight: 900; font-size: 0.9rem; letter-spacing: 2px; display: block; margin-bottom: 10px; }
.theater-section-heading, .split-heading { font-family: var(--font-mincho); font-size: 2.3rem; color: var(--ink-black); margin-bottom: 16px; line-height: 1.3; font-weight: 800; }
.theater-section-lead, .split-desc { color: #444; font-size: 1rem; line-height: 1.8; font-weight: 500;}

.clickable-img { cursor: pointer; transition: filter 0.3s, transform 0.3s; }
.clickable-img:hover { filter: brightness(1.1); }

.image-showcase-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 16px; margin-bottom: 25px; align-items: stretch;}
.matsuri-img-frame { height: 100%; display: flex; }
.matsuri-img-frame img { border: 4px solid var(--indigo); border-radius: 4px; width: 100%; height: 100%; object-fit: cover; }
.gallery-sub-thumbnails { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; gap: 12px; }
.gallery-sub-thumbnails img { width: 100%; height: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: 4px; border: 2px solid transparent; transition: transform 0.3s, border-color 0.3s; }
.gallery-sub-thumbnails img:hover { transform: scale(1.03); border-color: var(--vermilion); position: relative; z-index: 2;}

.highlight-info-box { padding: 24px; border-radius: 4px; margin-bottom: 0; }
.highlight-badge-title { font-family: var(--font-sans); font-weight: 900; font-size: 1.2rem; margin-bottom: 8px; }

.alert-box-udon {
    background-color: #FFFFFF; border-left: 4px solid var(--vermilion); border-radius: 4px;
    padding: 14px 18px; margin-top: 16px; color: var(--ink-black);
    font-size: 0.95rem; font-weight: 700; box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}
.media-split-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.image-quad-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.image-quad-grid img { width: 100%; height: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: 4px; border: 4px solid #FFF; box-shadow: 0 4px 10px rgba(0,0,0,0.15); }
.image-quad-grid img.full-span-img { grid-column: span 2; aspect-ratio: 16/9; }

/* ==========================================================================
   7. BOOKING CTA & PRICE ADJUSTMENT
   ========================================================================== */
.booking-cta-section { 
    background-color: var(--indigo-dark); 
    padding: 60px 0; 
    text-align: center; 
    color: #FFF; 
    background-image: radial-gradient(circle at center, rgba(255,255,255,0.05) 0%, transparent 70%); 
}
.cta-heading { font-family: var(--font-mincho); font-size: 2.3rem; margin: 16px 0 25px; font-weight: 800; }
.bg-white-border-gold { background: #FFF; color: var(--ink-black); border: 4px solid var(--gold); border-radius: 8px; max-width: 600px; margin: 0 auto 25px; padding: 30px 20px; box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
.price-card-title { font-family: var(--font-sans); font-size: 1.15rem; font-weight: 900; margin-bottom: 12px; border-bottom: 2px dashed #CCC; padding-bottom: 6px; display: inline-block;}
.price-display-main { display: flex; justify-content: center; align-items: baseline; gap: 8px; margin-bottom: 10px; }
.price-value { font-family: var(--font-sans); font-size: 2.4rem; font-weight: 900; }
.price-range-wave { font-size: 1.6rem; color: #888; margin: 0 4px;}
.price-card-subinfo { font-size: 0.9rem; color: #666; font-weight: 700; }

.center-btn-wrap {
    display: block !important;
    text-align: center !important;
    width: 100% !important;
    margin: 15px auto 0 !important;
}

.btn-yosakoi.cta-premium-button {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 12px !important;
    background-color: #E53935 !important;
    color: #FFFFFF !important;
    text-decoration: none !important;
    font-family: var(--font-sans) !important;
    font-weight: 900 !important;
    font-size: 1.25rem !important;
    letter-spacing: 1px !important;
    padding: 16px 50px !important;
    border-radius: 8px !important;
    border: none !important;
    box-shadow: 4px 4px 0 #FBC02D !important;
    transition: all 0.2s ease-in-out !important;
    cursor: pointer !important;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.4) !important;
    width: auto !important;
    max-width: 100% !important;
    margin: 0 auto !important;
}
.btn-yosakoi.cta-premium-button:hover {
    background-color: #C62828 !important;
    transform: translate(2px, 2px) !important;
    box-shadow: 2px 2px 0 #FBC02D !important;
}
.btn-yosakoi.cta-premium-button .icon-arrow {
    font-size: 1.15rem !important;
    color: #FBC02D !important;
    transition: transform 0.2s ease !important;
}
.btn-yosakoi.cta-premium-button:hover .icon-arrow {
    transform: translateX(5px) !important;
}

/* ==========================================================================
   8. MATSURI TIMELINE & ACCESS MAP
   ========================================================================== */
.main-section-title { font-family: var(--font-mincho); font-size: 2.2rem; text-align: center; color: var(--ink-black); margin-bottom: 35px; font-weight: 800;}
.vertical-timeline-wrap { position: relative; max-width: 800px; margin: 0 auto; padding-left: 30px; }

.matsuri-timeline::before { content: ''; position: absolute; top: 0; left: 6px; width: 4px; height: 100%; background: var(--indigo); z-index: 1; }
.day-divider-tag { 
    font-family: var(--font-sans); font-weight: 900; font-size: 1rem; padding: 6px 20px; border-radius: 4px; display: inline-block; 
    margin-bottom: 20px; position: relative; left: -30px; box-shadow: 2px 2px 0 var(--gold); z-index: 2; 
}
.timeline-node { position: relative; margin-bottom: 25px; z-index: 2; display: block; }
.timeline-node::before { content: ''; position: absolute; top: 4px; left: -30px; width: 16px; height: 16px; background: var(--paper-white); border: 3px solid var(--vermetilion); border-radius: 50%; z-index: 2; }
.node-time { font-family: var(--font-sans); font-weight: 900; font-size: 1.1rem; margin-bottom: 6px; display: block; }
.matsuri-card { background: #FFF; border: 2px solid #EEE; padding: 16px 20px; border-radius: 8px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); }
.matsuri-highlight { border-color: var(--vermilion); border-left: 6px solid var(--vermilion); background-color: #FFF8F8; }
.node-spot { font-size: 1.15rem; color: var(--ink-black); margin-bottom: 6px; font-weight: 900; display: flex; align-items: center; gap: 10px;}
.node-text { font-size: 0.95rem; color: #555; font-weight: 500;}

.access-split-layout { display: grid; grid-template-columns: 1fr 1.5fr; gap: 20px; align-items: stretch; margin-bottom: 0; }
.access-info-card { display: flex; flex-direction: column; justify-content: center; }
.access-map-wrapper { border: 4px solid var(--indigo); border-radius: 4px; overflow: hidden; box-shadow: 0 4px 10px rgba(0,0,0,0.1); line-height: 0; }

/* ==========================================================================
   8-2. FAQ SECTION STYLES
   ========================================================================== */
.faq-container-wrap { max-width: 850px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: #FFF; border: 2px solid #EEE; border-radius: 8px; box-shadow: 0 4px 15px rgba(0,0,0,0.03); overflow: hidden; }
.faq-question { background: var(--bg-cream); padding: 14px 20px; display: flex; align-items: center; gap: 12px; border-bottom: 1px solid #EAE6DD; }
.faq-question h3 { font-size: 1rem; font-weight: 900; color: var(--indigo); line-height: 1.4; }
.faq-answer { padding: 16px 20px; display: flex; align-items: flex-start; gap: 12px; }
.faq-answer p { font-size: 0.95rem; color: #444; line-height: 1.6; font-weight: 500; text-align: justify; }
.faq-q-badge, .faq-a-badge { display: inline-flex; align-items: center; justify-content: center; width: 26px; height: 26px; border-radius: 50%; font-weight: 900; font-size: 0.85rem; flex-shrink: 0; }
.faq-q-badge { background: var(--indigo); color: #FFF; }
.faq-a-badge { background: var(--vermilion); color: #FFF; }

/* ==========================================================================
   9. TERMS & CONDITIONS
   ========================================================================== */
.terms-info-section { padding: 55px 0 80px; background-color: var(--paper-white); }
.info-table-title { font-family: var(--font-mincho); font-size: 1.6rem; color: var(--ink-black); border-bottom: 3px solid var(--indigo); padding-bottom: 8px; margin-bottom: 20px; font-weight: 800; display: flex; align-items: center; gap: 10px;}
.info-table-title i { color: var(--indigo); }
.responsive-spec-table { width: 100%; border-collapse: collapse; margin-bottom: 20px; background-color: #FFF; border: 2px solid #EEE; box-shadow: 0 4px 10px rgba(0,0,0,0.03); }
.responsive-spec-table th, .responsive-spec-table td { padding: 14px; border-bottom: 1px solid #EEE; text-align: left; }
.responsive-spec-table th { background-color: var(--bg-cream); color: var(--ink-black); width: 25%; font-weight: 900; }

.attention-accordion { background-color: #FFF; border-radius: 4px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); margin-top: 20px; }
.attention-accordion summary { 
    padding: 14px 20px; font-family: var(--font-sans); font-size: 1.1rem; font-weight: 900; 
    cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; 
    background-color: #FFEBEE; border-left: 6px solid var(--vermilion); border-radius: 4px; transition: background-color 0.2s;
}
.attention-accordion summary:hover { background-color: #FFCDD2; }
.attention-accordion summary::-webkit-details-marker { display: none; } 
.attention-accordion summary::after { content: '\f078'; font-family: "Font Awesome 6 Free"; font-weight: 900; color: var(--vermilion); transition: transform 0.3s ease; }
.attention-accordion[open] summary::after { transform: rotate(180deg); }
.attention-accordion .accordion-content { padding: 20px; border-left: 6px solid var(--vermilion); border-top: 1px solid #FFCDD2; }

.warning-bullet-list { padding-left: 18px; font-size: 0.95rem; color: #333; list-style-type: disc; }
.warning-bullet-list li { margin-bottom: 4px; line-height: 1.5; font-weight: 500;}

/* ==========================================================================
   9-2. NEW: MATSURI FOOTER DESIGN
   ========================================================================== */
.site-footer { 
    background-color: #060A24; 
    color: #FFFFFF; 
    padding: 0; 
    border-top: none;
    width: 100%;
}
.footer-wrapper {
    display: flex;
    flex-direction: column;
    width: 100%;
}
.footer-simple-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding: 40px 0 25px;
}
.footer-simple-nav {
    list-style: none;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 40px;
}
.footer-simple-nav a {
    text-decoration: none;
    color: #FFFFFF;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 500;
    transition: opacity 0.2s ease;
}
.footer-simple-nav a:hover {
    opacity: 0.7;
}
.footer-bottom-copyright { 
    background-color: #03061A; 
    padding: 20px 0;
    width: 100%;
    border-top: none;
}
.footer-bottom-copyright p { 
    font-size: 0.8rem; 
    color: rgba(255, 255, 255, 0.4); 
    letter-spacing: 0.5px;
    margin: 0;
}

/* ==========================================================================
   10. MOBILE STICKY BAR
   ========================================================================== */
.mobile-sticky-action-bar {
    position: fixed; bottom: 0; left: 0; width: 100%; padding: 10px 16px; z-index: 99;
    transform: translateY(100%); transition: transform 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}
.matsuri-bottom-bar { background: rgba(255, 255, 255, 0.95); border-top: 2px solid var(--vermilion); box-shadow: 0 -5px 15px rgba(0,0,0,0.15); backdrop-filter: blur(5px); }
.mobile-sticky-action-bar.is-active { transform: translateY(0); }
.sticky-btn-full { width: 100%; max-width: 400px; margin: 0 auto; padding: 12px 20px; font-size: 1.05rem; display: flex; justify-content: center;}

/* ==========================================================================
   11. ANIMATIONS & RESPONSIVE
   ========================================================================== */
.reveal-element { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.25, 1, 0.5, 1); }
.reveal-element.is-visible { opacity: 1; transform: translateY(0); }

/* --- タブレット・中間サイズ向け --- */
@media (max-width: 991px) {
    .image-showcase-grid { grid-template-columns: 1fr; gap: 16px; align-items: start; }
    .media-split-grid { grid-template-columns: 1fr; gap: 24px; }
    .gallery-sub-thumbnails { grid-template-columns: repeat(4, 1fr); grid-template-rows: auto; gap: 12px; }
    .matsuri-img-frame { height: auto; display: block; }
    .matsuri-img-frame img { height: auto; aspect-ratio: 4/3; }
    .theater-section-heading, .split-heading { font-size: 2rem; }
    .access-split-layout { grid-template-columns: 1fr; gap: 16px; }
}

/* --- スマホ向け --- */
@media (max-width: 768px) {
    .hero-section { height: auto; padding: 90px 0 60px; }
    
    .sp-only { display: block; }
    span.sp-only { display: inline; }
    br.sp-only { display: block; }
    .container { padding: 0 10px; }

    .hero-badge-group { flex-direction: column; align-items: center; gap: 6px; width: 100%; }
    .hero-sub-tag { white-space: nowrap; }
    
    .departure-decided-tag {
        font-size: clamp(11px, 3.5vw, 14px); padding: 6px 10px; width: auto; max-width: 95%; 
        display: inline-block; text-align: center; box-sizing: border-box; white-space: nowrap;
        letter-spacing: -0.05em; animation: pulse-glow-mobile 1.5s infinite alternate; 
    }
    
    @keyframes pulse-glow-mobile {
        0% { transform: scale(0.98); box-shadow: 0 0 5px rgba(255, 143, 0, 0.5); filter: brightness(1); }
        100% { transform: scale(1.02); box-shadow: 0 0 20px rgba(255, 143, 0, 1); filter: brightness(1.2); }
    }
    
    .hero-main-title { font-size: calc((100vw - 20px) / 19.5); line-height: 1.3; margin-bottom: 10px; white-space: nowrap; letter-spacing: -0.08em; }
    .title-sub { font-size: clamp(11px, 3.8vw, 15px); margin-bottom: 6px; white-space: nowrap; letter-spacing: -0.02em; }
    .hero-description { font-size: 0.85rem; line-height: 1.5; text-align: left; }
    
    .ai-semantic-lead-bar { padding: 25px 0 10px; }
    .matsuri-summary-box { padding: 18px 16px; margin: 0 4px; }
    .summary-badge { margin-bottom: 8px; }
    .ai-semantic-lead { font-size: 0.85rem; line-height: 1.7; }
    .lead-strong { font-size: 0.9rem; display: block; margin-bottom: 4px; }

    .theater-section-heading, .split-heading, .main-section-title, .info-table-title { font-size: clamp(14px, 4.5vw, 19px); white-space: nowrap; letter-spacing: -0.03em; }
    .cta-heading { font-size: clamp(13px, 4.2vw, 17px); white-space: nowrap; letter-spacing: -0.05em; }
    
    .price-value { font-size: 1.7rem; }
    .price-range-wave { font-size: 1.2rem; }
    
    .btn-yosakoi.size-large.cta-premium-button { 
        width: 100% !important; 
        max-width: 440px !important; 
        font-size: 1.1rem !important; 
        padding: 14px 20px !important; 
        display: flex !important;
    }
    
    .features-flex-container { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; padding-bottom: 0; }
    .yosakoi-card { padding: 12px 8px; }
    .feature-icon-wrap i { font-size: 1.6rem; margin-bottom: 6px;}
    .feature-text { font-size: 0.85rem; }
    
    .image-showcase-grid { gap: 10px; margin-bottom: 16px; }
    .gallery-sub-thumbnails { grid-template-columns: 1fr 1fr; gap: 10px; }
    
    .faq-question { padding: 12px; gap: 8px; }
    .faq-question h3 { font-size: 0.9rem; }
    .faq-answer { padding: 12px; gap: 8px; }
    .faq-answer p { font-size: 0.85rem; }

    .footer-simple-container { padding: 25px 0 15px; }
    .footer-simple-nav { gap: 20px; }
    .footer-simple-nav a { font-size: 0.85rem; }
    .footer-bottom-copyright { padding: 15px 0; }

    .responsive-spec-table th, .responsive-spec-table td { display: block; width: 100%; }
    .responsive-spec-table th { border-bottom: none; padding-bottom: 4px; padding-top: 10px; }
    .responsive-spec-table td { padding-top: 2px; padding-bottom: 10px; }
    
    .attention-accordion summary { font-size: 1rem; padding: 12px 16px; }
    .attention-accordion .accordion-content { padding: 16px; }
    
    body { padding-bottom: 75px; }
}

/* ==========================================================================
   12. LIGHTBOX (IMAGE MODAL)
   ========================================================================== */
.lightbox-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.85); backdrop-filter: blur(5px); z-index: 1000;
    display: flex; justify-content: center; align-items: center; opacity: 0; visibility: hidden; transition: opacity 0.3s ease, visibility 0.3s ease;
}
.lightbox-overlay.is-active { opacity: 1; visibility: visible; }
.lightbox-content { position: relative; max-width: 90%; max-height: 90vh; display: flex; justify-content: center; align-items: center; }
.lightbox-content img { max-width: 100%; max-height: 90vh; object-fit: contain; border-radius: 4px; box-shadow: 0 10px 30px rgba(0,0,0,0.5); transform: scale(0.9); transition: transform 0.3s cubic-bezier(0.25, 1, 0.5, 1); }
.lightbox-overlay.is-active .lightbox-content img { transform: scale(1); }
.lightbox-close-btn { position: absolute; top: -40px; right: 0; background: none; border: none; color: #FFF; font-size: 2rem; cursor: pointer; text-shadow: 0 2px 5px rgba(0,0,0,0.5); transition: color 0.2s; }
.lightbox-close-btn:hover { color: var(--vermilion); }

@media (max-width: 768px) {
    .lightbox-close-btn { top: -45px; right: 10px; }
}