@charset "UTF-8";

/* ==========================================================================
   CSS Variables & Design Tokens (和風モダン・情緒・日本の伝統色)
   ========================================================================== */
:root {
  /* 主要色彩（伝統色） */
  --c-night-deep: #0a0e1a;      /* 深夜の藍漆黒 */
  --c-night-mid: #111a2a;       /* 宵闇の藍色 */
  --c-night-card: #162035;      /* カード背景藍色 */
  --c-night-border: rgba(255, 255, 255, 0.08); /* 極薄白ライン */
  --c-vermilion: #c1272d;       /* 弁柄色・落ち着いた朱 */
  --c-vermilion-dark: #9e1f26;  /* 深い朱色 */
  --c-gold: #d4c5a0;            /* 月白・落ち着いた金 */
  --c-gold-light: #e8dcc8;      /* 鳥の子色 */
  --c-gold-glow: rgba(212, 197, 160, 0.2);
  --c-cyan: #3a7c6e;            /* 落ち着いた浅葱色 */
  --c-cyan-light: #6aab9e;
  --c-cherry: #d06848;          /* 柿色 */
  --c-purple: #5c3d8f;          /* 江戸紫 */
  
  /* テキスト色 */
  --c-text-primary: #eae6df;    /* 胡粉色 */
  --c-text-secondary: #b8b0a3;  /* 薄墨色 */
  --c-text-muted: #7a7468;      /* 鼠色 */
  --c-text-dark: #1b263b;       /* 明るい背景用濃色 */
  
  /* 明るい背景用（白・和紙調） */
  --c-bg-light: #fbf9f5;        /* 生成り・和紙 */
  --c-bg-light-alt: #f1ede4;    /* 鳥の子色 */
  --c-border-light: #e0d6c3;
  
  /* タイポグラフィ */
  --font-mincho: 'Shippori Mincho', 'Noto Serif JP', 'Yu Mincho', 'YuMincho', serif;
  --font-gothic: 'Zen Kaku Gothic New', 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  --font-accent: 'Yuji Boku', 'Shippori Mincho', serif;
  
  /* シャドウ・エフェクト（グロー無し・ソフトシャドウのみ） */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);
  
  /* トランジション */
  --transition-base: all 0.25s ease;
  --transition-smooth: all 0.4s ease;
  
  /* レイアウト */
  --container-width: 1200px;
  --header-height: 80px;
}

/* ==========================================================================
   Base & Reset
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body {
  font-family: var(--font-gothic);
  background-color: var(--c-night-deep);
  color: var(--c-text-primary);
  line-height: 1.8;
  overflow-x: hidden;
  position: relative;
  word-break: auto-phrase;
  overflow-wrap: break-word;
}

main {
  overflow-x: hidden;
  width: 100%;
}

/* 和紙テクスチャ風のノイズオーバーレイ（SVG filter） */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-base);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

/* ==========================================================================
   Typography & Accents
   ========================================================================== */
.font-mincho {
  font-family: var(--font-mincho);
}

.text-gold {
  color: var(--c-gold);
}

.text-vermilion {
  color: var(--c-vermilion);
}

.text-cyan {
  color: var(--c-cyan-light);
}

/* 和風セクションタイトル */
.section-header {
  text-align: center;
  margin-bottom: 60px;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.section-header .sub-title {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-mincho);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--c-gold);
  margin-bottom: 14px;
}

.section-header .sub-title::before,
.section-header .sub-title::after {
  content: '';
  display: inline-block;
  width: 32px;
  height: 1px;
  background: var(--c-gold);
  opacity: 0.4;
}

.section-header .main-title {
  font-family: var(--font-mincho);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--c-text-primary);
  position: relative;
  display: inline-block;
}

.section-header .main-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 2px;
  background: var(--c-vermilion);
  margin: 16px auto 0;
}

.section-header .lead-text {
  max-width: 720px;
  margin: 20px auto 0;
  font-size: 1.05rem;
  color: var(--c-text-secondary);
  line-height: 1.9;
}

/* 縦書き装飾文字 */
.vertical-text {
  writing-mode: vertical-rl;
  text-orientation: upright;
  letter-spacing: 0.3em;
  font-family: var(--font-mincho);
}

/* 和風背景 */
.bg-wave-pattern {
  background-color: var(--c-night-mid);
}

/* ==========================================================================
   Scroll Animation Classes (和モダン・上品なスクロールアニメーション)
   ========================================================================== */
.reveal {
  opacity: 0;
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal.reveal-up {
  transform: translateY(32px);
}

.reveal.reveal-left {
  transform: translateX(-32px);
}

.reveal.reveal-right {
  transform: translateX(32px);
}

.reveal.is-visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* スタッガー（子要素の連続フェードイン） */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-stagger.is-visible > *:nth-child(1) { transition-delay: 0.05s; opacity: 1; transform: translateY(0); }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: 0.15s; opacity: 1; transform: translateY(0); }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: 0.25s; opacity: 1; transform: translateY(0); }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: 0.35s; opacity: 1; transform: translateY(0); }
.reveal-stagger.is-visible > *:nth-child(5) { transition-delay: 0.45s; opacity: 1; transform: translateY(0); }
.reveal-stagger.is-visible > *:nth-child(6) { transition-delay: 0.55s; opacity: 1; transform: translateY(0); }
.reveal-stagger.is-visible > *:nth-child(7) { transition-delay: 0.65s; opacity: 1; transform: translateY(0); }
.reveal-stagger.is-visible > *:nth-child(8) { transition-delay: 0.75s; opacity: 1; transform: translateY(0); }

/* ヒーロー初期アニメーション */
.hero-content {
  animation: heroFadeIn 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(10, 14, 26, 0.95);
  border-bottom: 1px solid var(--c-night-border);
  z-index: 1000;
  transition: var(--transition-base);
}

.site-header.scrolled {
  height: 70px;
  background: rgba(10, 14, 26, 0.98);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
  white-space: nowrap;
}

.logo-emblem {
  width: 44px;
  height: 44px;
  background: radial-gradient(circle, var(--c-vermilion), var(--c-vermilion-dark));
  border: 2px solid var(--c-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 12px rgba(230, 57, 70, 0.6);
  color: #fff;
  font-family: var(--font-mincho);
  font-weight: 700;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.logo-text-wrap {
  display: flex;
  flex-direction: column;
  white-space: nowrap;
}

.logo-sub {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--c-gold-light);
}

.logo-main {
  font-family: var(--font-mincho);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: #fff;
  line-height: 1.2;
  white-space: nowrap;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--c-text-secondary);
  letter-spacing: 0.08em;
  position: relative;
  padding: 6px 0;
}

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

.nav-link:hover {
  color: #fff;
}

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

.header-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--c-vermilion);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 10px 22px;
  border-radius: 6px;
  border: none;
  transition: opacity 0.3s ease, transform 0.3s ease, background 0.25s ease;
}

.header-cta-btn:hover {
  opacity: 0.85;
}

.header-cta-btn.hide-cta {
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
  transform: translateY(-10px) !important;
}

.header-cta-btn.hide-cta {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
}

.mobile-menu-btn {
  display: none;
  background: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  position: relative;
  z-index: 1001;
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--c-gold-light);
  margin: 5px auto;
  transition: var(--transition-base);
}

/* ==========================================================================
   Hero Section (ファーストビュー & 花火・提灯演出)
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  padding-top: calc(var(--header-height) + 40px);
  padding-bottom: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.55) 100%),
              url('../img/top.jpg') no-repeat center center / cover;
  overflow: hidden;
}

/* 花火用キャンバス */
#fireworksCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
}

/* 上部吊り下げ提灯列（CSSアニメーション） */
.lantern-row {
  position: absolute;
  top: var(--header-height);
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-around;
  padding: 0 20px;
  pointer-events: none;
  z-index: 4;
}

.lantern-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: lanternSwing 3.5s ease-in-out infinite alternate;
  transform-origin: top center;
}

.lantern-item:nth-child(2n) {
  animation-duration: 4.2s;
  animation-delay: -1.2s;
}

.lantern-item:nth-child(3n) {
  animation-duration: 3.8s;
  animation-delay: -0.7s;
}

.lantern-cord {
  width: 1.5px;
  height: 35px;
  background: rgba(229, 169, 60, 0.6);
}

.lantern-body {
  width: 36px;
  height: 48px;
  background: radial-gradient(ellipse at center, #fff 0%, #ff8c42 50%, #d90429 100%);
  border-radius: 12px / 16px;
  border: 1.5px solid #2b0c0c;
  box-shadow: 0 0 20px rgba(255, 140, 66, 0.8), 0 0 40px rgba(217, 4, 41, 0.4);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lantern-body::before,
.lantern-body::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 4px;
  background: #111;
  border-radius: 2px;
}
.lantern-body::before { top: -3px; }
.lantern-body::after { bottom: -3px; }

.lantern-kanji {
  font-family: var(--font-mincho);
  font-size: 0.85rem;
  font-weight: 900;
  color: #111;
  text-shadow: 0 0 2px rgba(255, 255, 255, 0.8);
}

.lantern-tassel {
  width: 2px;
  height: 16px;
  background: var(--c-gold);
  position: relative;
}
.lantern-tassel::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: -2px;
  width: 6px;
  height: 6px;
  background: var(--c-vermilion);
  border-radius: 50%;
}

@keyframes lanternSwing {
  0% { transform: rotate(-3.5deg); }
  100% { transform: rotate(3.5deg); }
}

/* ヒーローコンテンツ */
.hero-content {
  position: relative;
  z-index: 5;
  text-align: center;
  max-width: 960px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(193, 39, 45, 0.2);
  border: 1px solid rgba(193, 39, 45, 0.5);
  padding: 8px 24px;
  border-radius: 4px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--c-gold-light);
  letter-spacing: 0.18em;
  margin-bottom: 24px;
}

.hero-titles-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  margin: 20px 0 30px;
}

.hero-vertical-catch {
  writing-mode: vertical-rl;
  font-family: var(--font-mincho);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 600;
  letter-spacing: 0.35em;
  color: var(--c-gold-light);
  border-right: 2px solid var(--c-gold);
  padding-right: 14px;
  height: 320px;
  text-align: justify;
}

.hero-main-title-block {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-date-tag {
  display: inline-block;
  width: fit-content;
  max-width: 100%;
  font-family: var(--font-gothic);
  font-size: 1.15rem;
  font-weight: 800;
  color: #fff;
  background: var(--c-vermilion);
  padding: 4px 18px;
  border-radius: 4px;
  letter-spacing: 0.12em;
  margin-bottom: 12px;
  text-align: center;
}

.hero-title-main {
  font-family: var(--font-mincho);
  font-size: clamp(1.6rem, 7.6vw, 4.8rem);
  font-weight: 800;
  letter-spacing: 0.18em;
  line-height: 1.15;
  color: var(--c-text-primary);
  margin-bottom: 8px;
  white-space: nowrap;
}

.hero-title-sub {
  font-family: var(--font-mincho);
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  font-weight: 600;
  letter-spacing: 0.25em;
  color: var(--c-cyan-light);
}

.hero-info-bar {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 24px;
  background: rgba(10, 14, 26, 0.7);
  border: 1px solid var(--c-night-border);
  padding: 16px 36px;
  border-radius: 8px;
  margin-top: 24px;
}

.hero-info-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--c-text-primary);
}

.hero-info-item i {
  color: var(--c-gold);
  font-size: 1.2rem;
}

/* カウントダウンタイマー */
.countdown-box {
  margin-top: 30px;
}

.countdown-title {
  font-size: 0.9rem;
  color: var(--c-gold-light);
  letter-spacing: 0.2em;
  margin-bottom: 10px;
}

.countdown-units {
  display: inline-flex;
  gap: 16px;
}

.time-card {
  background: rgba(10, 14, 26, 0.7);
  border: 1px solid var(--c-night-border);
  border-radius: 6px;
  padding: 8px 16px;
  min-width: 68px;
  text-align: center;
}

.time-num {
  display: block;
  font-family: var(--font-mincho);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--c-gold);
  line-height: 1.1;
}

.time-label {
  font-size: 0.75rem;
  color: var(--c-text-muted);
}

/* ヒーローCTA群 */
.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-top: 36px;
}

.btn-primary-hero {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--c-vermilion);
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 16px 36px;
  border-radius: 8px;
  border: none;
  transition: var(--transition-base);
}

.btn-primary-hero:hover {
  opacity: 0.85;
}

.btn-secondary-hero {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: rgba(10, 14, 26, 0.7);
  color: var(--c-gold-light);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 16px 32px;
  border-radius: 8px;
  border: 1px solid var(--c-night-border);
  transition: var(--transition-base);
}

.btn-secondary-hero:hover {
  background: rgba(22, 32, 53, 0.9);
  border-color: var(--c-gold);
}

/* ==========================================================================
   Image Placeholder Component (和風・洗練・差し替え可能)
   ========================================================================== */
.photo-placeholder {
  position: relative;
  width: 100%;
  background: linear-gradient(135deg, #1b283f 0%, #111a2c 100%);
  border: 1px solid var(--c-night-border);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 30px 20px;
  text-align: center;
  transition: var(--transition-base);
  box-shadow: var(--shadow-sm);
  min-height: 240px;
}

.photo-placeholder:hover {
  border-color: var(--c-gold);
  box-shadow: var(--shadow-md), 0 0 15px rgba(229, 169, 60, 0.2);
  transform: translateY(-4px);
}

.photo-placeholder::before {
  content: '';
  position: absolute;
  top: 10px;
  left: 10px;
  right: 10px;
  bottom: 10px;
  border: 1px dashed rgba(229, 169, 60, 0.25);
  border-radius: 10px;
  pointer-events: none;
}

.placeholder-badge {
  display: inline-block;
  background: rgba(229, 169, 60, 0.2);
  color: var(--c-gold-light);
  border: 1px solid rgba(229, 169, 60, 0.4);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
  letter-spacing: 0.08em;
}

.placeholder-icon {
  font-size: 2.2rem;
  color: var(--c-gold);
  margin-bottom: 10px;
  opacity: 0.85;
}

.placeholder-title {
  font-family: var(--font-mincho);
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}

.placeholder-desc {
  font-size: 0.85rem;
  color: var(--c-text-secondary);
  line-height: 1.6;
  max-width: 90%;
}

.placeholder-replace-hint {
  margin-top: 12px;
  font-size: 0.75rem;
  color: var(--c-text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* 写真表示用コンポーネント (画像差し替え対応) */
.intro-image-wrap {
  position: relative;
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--c-night-border);
  box-shadow: var(--shadow-sm);
  background: var(--c-night-card);
  aspect-ratio: 4 / 3;
}

.intro-image-wrap .intro-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.intro-image-wrap:hover .intro-image {
  transform: scale(1.04);
}

.highlight-image-wrap {
  position: relative;
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--c-night-border);
  box-shadow: var(--shadow-sm);
  background: var(--c-night-card);
  aspect-ratio: 4 / 3;
}

.highlight-image-wrap .highlight-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.highlight-card:hover .highlight-image-wrap .highlight-image {
  transform: scale(1.04);
}

.gourmet-image-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--c-night-deep);
  border-bottom: 1px solid var(--c-night-border);
}

.gourmet-image-wrap .gourmet-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.gourmet-item-card:hover .gourmet-image-wrap .gourmet-image {
  transform: scale(1.08);
}

/* ==========================================================================
   Section 1: Introduction & Concept (開催趣旨・情緒)
   ========================================================================== */
.section-intro {
  padding: 100px 0;
  position: relative;
  background: linear-gradient(180deg, var(--c-night-deep) 0%, var(--c-night-mid) 100%);
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.intro-text-card {
  background: rgba(22, 32, 53, 0.8);
  border: 1px solid var(--c-night-border);
  padding: 40px;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.intro-lead {
  font-family: var(--font-mincho);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--c-gold-light);
  line-height: 1.7;
  margin-bottom: 24px;
}

.intro-body {
  font-size: 1rem;
  color: var(--c-text-secondary);
  line-height: 2;
  margin-bottom: 24px;
}

.intro-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 30px;
}

.intro-feature-item {
  background: rgba(10, 14, 26, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 16px;
  border-radius: 12px;
  text-align: center;
}

.intro-feature-num {
  font-family: var(--font-mincho);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--c-vermilion);
  display: block;
}

.intro-feature-label {
  font-size: 0.8rem;
  color: var(--c-text-muted);
  font-weight: 600;
}

/* ==========================================================================
   Section 2: Highlights & 5 Major Experiences (5大見どころ)
   ========================================================================== */
.section-highlights {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.section-highlights::before {
  content: '';
  position: absolute;
  top: -20px;
  left: -20px;
  right: -20px;
  bottom: -20px;
  background-image: url('../img/highlight-bon.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: blur(5px) brightness(0.42);
  transform: scale(1.04);
  z-index: 1;
  pointer-events: none;
}

.section-highlights::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(10, 14, 26, 0.8) 0%, rgba(17, 26, 42, 0.68) 50%, rgba(10, 14, 26, 0.84) 100%);
  z-index: 1;
  pointer-events: none;
}

.section-highlights .container {
  position: relative;
  z-index: 2;
}

/* 見どころタブナビ */
.highlight-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 48px;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(22, 32, 53, 0.8);
  border: 1px solid var(--c-night-border);
  color: var(--c-text-secondary);
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-base);
}

.tab-btn.active, .tab-btn:hover {
  background: var(--c-vermilion);
  color: #fff;
  border-color: var(--c-vermilion);
}

.highlight-content-panel {
  display: none;
  animation: fadeIn 0.4s ease forwards;
}

.highlight-content-panel.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.highlight-card {
  background: rgba(22, 32, 53, 0.7);
  border: 1px solid var(--c-night-border);
  border-radius: 16px;
  padding: 40px;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 40px;
  align-items: center;
  box-shadow: var(--shadow-sm);
}

.highlight-card-info h3 {
  font-family: var(--font-mincho);
  font-size: 1.85rem;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: 0.08em;
}

.highlight-badge-tag {
  display: inline-block;
  background: var(--c-vermilion);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 12px;
}

.highlight-card-info p {
  color: var(--c-text-secondary);
  font-size: 1rem;
  line-height: 1.9;
  margin-bottom: 24px;
}

.highlight-point-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.highlight-point-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--c-text-primary);
}

.highlight-point-item i {
  color: var(--c-gold);
  margin-top: 4px;
}

/* ==========================================================================
   Section 3: Gourmet & Stalls (屋台・グルメ横丁 - 無限ループスライダー)
   ========================================================================== */
.section-gourmet {
  padding: 100px 0;
  background: radial-gradient(circle at 50% 50%, #162238 0%, var(--c-night-deep) 100%);
  position: relative;
  overflow: hidden;
}

/* スライダー外枠コンテナ（PC表示時は画面幅いっぱいに横スクロール） */
.gourmet-slider-container {
  width: 100%;
  overflow: hidden;
  position: relative;
  margin-top: 40px;
  padding: 20px 0 30px;
  /* 左右のエッジにフェードマスクをかけて滑らかに消え入る演出 */
  mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
}

/* スライダートラック（横並び & 無限アニメーション） */
.gourmet-track {
  display: flex;
  gap: 28px;
  width: max-content;
  animation: gourmetLoop 32s linear infinite;
  will-change: transform;
}

/* ホバー時にアニメーション一時停止 */
.gourmet-track:hover {
  animation-play-state: paused;
}

/* 無限ループキーフレーム */
@keyframes gourmetLoop {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* グルメアイテムカード */
.gourmet-item-card {
  width: 320px;
  flex-shrink: 0;
  background: var(--c-night-card);
  border: 1px solid var(--c-night-border);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease, box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.gourmet-item-card:hover {
  transform: translateY(-8px);
  border-color: var(--c-gold);
  box-shadow: 0 18px 40px rgba(229, 169, 60, 0.22), 0 8px 24px rgba(0, 0, 0, 0.6);
}

.gourmet-image-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-bottom: 1px solid var(--c-night-border);
}

.gourmet-image-wrap .gourmet-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.gourmet-item-card:hover .gourmet-image-wrap .gourmet-image {
  transform: scale(1.08);
}

.gourmet-card-body {
  padding: 24px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.gourmet-category-tag {
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--c-cyan-light);
  background: rgba(42, 157, 143, 0.15);
  border: 1px solid rgba(42, 157, 143, 0.3);
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 10px;
}

.gourmet-item-name {
  font-family: var(--font-mincho);
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.gourmet-item-desc {
  font-size: 0.9rem;
  color: var(--c-text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.gourmet-price-row {
  margin-top: auto;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-top: 1px dashed rgba(255, 255, 255, 0.1);
  padding-top: 12px;
}

.gourmet-store-name {
  font-size: 0.85rem;
  color: var(--c-gold-light);
  font-weight: 600;
}

.gourmet-price {
  font-family: var(--font-mincho);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--c-vermilion);
}

/* モバイル表示時の調整（スワイプ横スクロール） */
@media (max-width: 767px) {
  .gourmet-slider-container {
    mask-image: none;
    -webkit-mask-image: none;
    overflow-x: auto;
    padding: 10px 20px 24px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }

  .gourmet-track {
    animation: none;
    gap: 16px;
  }

  .gourmet-track .gourmet-item-card[aria-hidden="true"] {
    display: none;
  }

  .gourmet-item-card {
    width: 280px;
    scroll-snap-align: start;
  }
}
/* ==========================================================================
   Section 4: Schedule & Timetable (タイムスケジュール)
   ========================================================================== */
.section-schedule {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.section-schedule::before {
  content: '';
  position: absolute;
  top: -20px;
  left: -20px;
  right: -20px;
  bottom: -20px;
  background-image: url('../img/highlight-taiko.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: blur(5px) brightness(0.4);
  transform: scale(1.04);
  z-index: 1;
  pointer-events: none;
}

.section-schedule::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(10, 14, 26, 0.82) 0%, rgba(17, 26, 42, 0.68) 50%, rgba(10, 14, 26, 0.85) 100%);
  z-index: 1;
  pointer-events: none;
}

.section-schedule .container {
  position: relative;
  z-index: 2;
}

.date-selector-tabs {
  display: flex;
  justify-content: flex-start;
  gap: 12px;
  margin-bottom: 40px;
  overflow-x: auto;
  padding: 4px 16px 14px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--c-gold) rgba(10, 14, 26, 0.5);
}

@media (min-width: 768px) {
  .date-selector-tabs {
    justify-content: center;
    padding-left: 0;
    padding-right: 0;
  }
}

.date-tab-btn {
  background: rgba(24, 36, 59, 0.9);
  border: 1px solid var(--c-night-border);
  border-radius: 12px;
  padding: 12px 20px;
  text-align: center;
  min-width: 130px;
  cursor: pointer;
  transition: var(--transition-base);
}

.date-tab-btn.active {
  background: var(--c-vermilion);
  border-color: var(--c-vermilion);
}

.date-tab-day {
  display: block;
  font-family: var(--font-mincho);
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
}

.date-tab-weekday {
  font-size: 0.8rem;
  color: var(--c-gold-light);
}

.timeline-card {
  background: var(--c-night-card);
  border: 1px solid var(--c-night-border);
  border-radius: 12px;
  padding: 36px;
  box-shadow: var(--shadow-sm);
}

.timeline-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: relative;
}

.timeline-list::before {
  content: '';
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 90px;
  width: 2px;
  background: rgba(229, 169, 60, 0.25);
}

.timeline-item {
  display: grid;
  grid-template-columns: 80px 24px 1fr;
  gap: 20px;
  align-items: center;
}

.timeline-time {
  font-family: var(--font-mincho);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--c-gold);
  text-align: right;
}

.timeline-dot {
  width: 10px;
  height: 10px;
  background: var(--c-vermilion);
  border: 2px solid var(--c-night-card);
  border-radius: 50%;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.timeline-content {
  background: rgba(10, 14, 26, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 16px 20px;
  border-radius: 12px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.timeline-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
}

.timeline-location {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--c-cyan-light);
  background: rgba(42, 157, 143, 0.15);
  padding: 4px 10px;
  border-radius: 4px;
}

/* ==========================================================================
   Section 5: Map & Access (会場マップ・アクセス)
   ========================================================================== */
.section-map-access {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--c-night-mid) 0%, var(--c-night-deep) 100%);
  position: relative;
}

.map-access-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: stretch !important;
}

.venue-map-card {
  background: var(--c-night-card);
  border: 1px solid var(--c-night-border);
  border-radius: 12px;
  padding: 30px;
  box-shadow: var(--shadow-sm);
  display: flex !important;
  flex-direction: column !important;
  height: 100% !important;
  box-sizing: border-box;
}

.venue-map-svg-wrap {
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  background: #0d1525;
  border: 1px solid var(--c-night-border);
  padding: 10px;
  flex: 1 1 auto !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
}

.venue-map-svg-wrap svg,
.venue-map-svg-wrap .venue-map-img {
  width: 100%;
  height: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 8px;
  display: block;
}

.access-info-card {
  background: var(--c-night-card);
  border: 1px solid var(--c-night-border);
  border-radius: 12px;
  padding: 32px;
  box-shadow: var(--shadow-sm);
  display: flex !important;
  flex-direction: column !important;
  height: 100% !important;
  box-sizing: border-box;
}
.access-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

.access-table tr {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.access-table th {
  text-align: left;
  padding: 14px 12px;
  color: var(--c-gold);
  font-family: var(--font-mincho);
  font-weight: 700;
  width: 32%;
  vertical-align: top;
}

.access-table td {
  padding: 14px 12px;
  color: var(--c-text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ==========================================================================
   Section 6: FAQ (よくあるご質問)
   ========================================================================== */
.section-faq {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.section-faq::before {
  content: '';
  position: absolute;
  top: -20px;
  left: -20px;
  right: -20px;
  bottom: -20px;
  background-image: url('../img/highlight-ennichi.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: blur(5px) brightness(0.4);
  transform: scale(1.04);
  z-index: 1;
  pointer-events: none;
}

.section-faq::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(10, 14, 26, 0.82) 0%, rgba(17, 26, 42, 0.7) 50%, rgba(10, 14, 26, 0.86) 100%);
  z-index: 1;
  pointer-events: none;
}

.section-faq .container {
  position: relative;
  z-index: 2;
}

.faq-accordion {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--c-night-card);
  border: 1px solid var(--c-night-border);
  border-radius: 14px;
  overflow: hidden;
  transition: var(--transition-base);
}

.faq-item.active {
  border-color: var(--c-vermilion);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: none;
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
  gap: 16px;
}

.faq-q-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--c-vermilion);
  color: #fff;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 900;
  flex-shrink: 0;
}

.faq-toggle-icon {
  font-size: 1.2rem;
  color: var(--c-gold);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  background: rgba(10, 14, 26, 0.4);
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px 24px;
}

.faq-answer-inner {
  display: flex;
  gap: 16px;
  color: var(--c-text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
  border-top: 1px dashed rgba(255, 255, 255, 0.08);
  padding-top: 16px;
}

.faq-a-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--c-cyan);
  color: #fff;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 900;
  flex-shrink: 0;
}

/* ==========================================================================
   Section 7: Contact & Application Form 【最重要・問い合わせ】
   ========================================================================== */
.section-contact {
  padding: 110px 0 130px;
  position: relative;
  overflow: hidden;
}

.section-contact::before {
  content: '';
  position: absolute;
  top: -20px;
  left: -20px;
  right: -20px;
  bottom: -20px;
  background-image: url('../img/highlight-firework.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: blur(5px) brightness(0.38);
  transform: scale(1.04);
  z-index: 1;
  pointer-events: none;
}

.section-contact::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(10, 14, 26, 0.82) 0%, rgba(22, 32, 53, 0.7) 50%, rgba(10, 14, 26, 0.88) 100%);
  z-index: 1;
  pointer-events: none;
}

.section-contact .container {
  position: relative;
  z-index: 2;
}

.contact-card-main {
  background: rgba(22, 32, 53, 0.95);
  border: 1px solid var(--c-night-border);
  border-radius: 16px;
  padding: 50px;
  box-shadow: var(--shadow-md);
  position: relative;
  z-index: 5;
}

.contact-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
  border-bottom: 2px solid rgba(229, 169, 60, 0.2);
  padding-bottom: 16px;
}

.contact-tab-btn {
  background: rgba(10, 14, 26, 0.7);
  color: var(--c-text-secondary);
  border: 1px solid var(--c-night-border);
  padding: 12px 22px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-base);
  display: flex;
  align-items: center;
  gap: 8px;
}

.contact-tab-btn.active, .contact-tab-btn:hover {
  background: var(--c-vermilion);
  color: #fff;
  border-color: var(--c-vermilion);
}

.contact-form-notice {
  background: rgba(230, 57, 70, 0.12);
  border-left: 4px solid var(--c-vermilion);
  padding: 14px 20px;
  border-radius: 0 8px 8px 0;
  margin-bottom: 32px;
  font-size: 0.9rem;
  color: #ffb4ba;
}

/* フォームフィールド */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.required-badge {
  font-size: 0.7rem;
  font-weight: 800;
  background: var(--c-vermilion);
  color: #fff;
  padding: 2px 6px;
  border-radius: 3px;
}

.optional-badge {
  font-size: 0.7rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.15);
  color: var(--c-text-muted);
  padding: 2px 6px;
  border-radius: 3px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: rgba(10, 14, 26, 0.85);
  border: 1.5px solid var(--c-night-border);
  color: #fff;
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 1rem;
  transition: var(--transition-base);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--c-gold);
  background: rgba(10, 14, 26, 0.95);
  box-shadow: 0 0 12px rgba(229, 169, 60, 0.3);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

.privacy-check-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 30px 0;
  font-size: 0.95rem;
  color: var(--c-text-secondary);
}

.privacy-check-wrap input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--c-vermilion);
  cursor: pointer;
}

.form-submit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  max-width: 440px;
  margin: 0 auto;
  background: var(--c-vermilion);
  color: #fff;
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  padding: 18px 40px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: var(--transition-base);
}

.form-submit-btn:hover {
  opacity: 0.85;
}

.phone-contact-box {
  margin-top: 40px;
  padding-top: 30px;
  border-top: 1px dashed rgba(255, 255, 255, 0.15);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 30px;
  text-align: center;
}

.phone-number-link {
  font-family: var(--font-mincho);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--c-gold);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

/* 送信完了モーダル */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 20px;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: var(--c-night-card);
  border: 2px solid var(--c-gold);
  border-radius: 24px;
  padding: 48px 36px;
  max-width: 520px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-lg);
  transform: scale(0.9);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.modal-overlay.active .modal-card {
  transform: scale(1);
}

.modal-icon {
  width: 72px;
  height: 72px;
  background: rgba(42, 157, 143, 0.2);
  border: 2px solid var(--c-cyan-light);
  color: var(--c-cyan-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  margin: 0 auto 20px;
}

.modal-title {
  font-family: var(--font-mincho);
  font-size: 1.6rem;
  color: #fff;
  margin-bottom: 12px;
}

.modal-desc {
  font-size: 0.95rem;
  color: var(--c-text-secondary);
  line-height: 1.8;
  margin-bottom: 28px;
}

.modal-close-btn {
  background: var(--c-gold);
  color: var(--c-night-deep);
  font-weight: 700;
  padding: 12px 32px;
  border-radius: 999px;
  cursor: pointer;
  transition: var(--transition-base);
}

.modal-close-btn:hover {
  background: var(--c-gold-light);
  transform: translateY(-2px);
}

/* ==========================================================================
   Floating CTA Bar (常時追従・最重要コンバージョン)
   ========================================================================== */
.floating-cta-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(10, 14, 26, 0.95);
  border-top: 1px solid var(--c-night-border);
  padding: 12px 24px calc(12px + env(safe-area-inset-bottom, 0px));
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 990;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.5);
  transform: translateY(100%);
  transition: transform 0.4s ease;
}

.floating-cta-bar.visible {
  transform: translateY(0);
}

.floating-cta-info {
  display: flex;
  align-items: center;
  gap: 16px;
}

.floating-title {
  font-family: var(--font-mincho);
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
}

.floating-badge {
  background: var(--c-vermilion);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 4px;
}

.floating-btn-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.floating-btn-contact {
  background: var(--c-vermilion);
  color: #fff;
  font-weight: 800;
  font-size: 0.95rem;
  padding: 10px 24px;
  border-radius: 6px;
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.floating-btn-sponsor {
  background: rgba(22, 32, 53, 0.9);
  color: var(--c-gold-light);
  border: 1px solid var(--c-night-border);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 10px 18px;
  border-radius: 6px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: #060911;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 60px 0 100px; /* フローティングバー考慮 */
  position: relative;
  z-index: 2;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand-title {
  font-family: var(--font-mincho);
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.footer-desc {
  font-size: 0.9rem;
  color: var(--c-text-muted);
  line-height: 1.8;
}

.footer-nav-title {
  font-family: var(--font-mincho);
  font-size: 1.05rem;
  color: var(--c-gold);
  margin-bottom: 16px;
  font-weight: 700;
}

.footer-nav-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-nav-list a {
  color: var(--c-text-secondary);
  font-size: 0.9rem;
}

.footer-nav-list a:hover {
  color: var(--c-gold);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--c-text-muted);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 992px) {
  .nav-menu, .header-cta-btn {
    display: none;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .nav-menu.mobile-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: rgba(10, 14, 26, 0.98);
    padding: 30px;
    gap: 20px;
    border-bottom: 2px solid var(--c-gold);
  }
  
  .intro-grid,
  .highlight-card,
  .map-access-grid,
  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .hero-titles-wrapper {
    flex-direction: column;
    gap: 16px;
  }
  
  .hero-vertical-catch {
    writing-mode: horizontal-tb;
    height: auto;
    border-right: none;
    border-bottom: 2px solid var(--c-gold);
    padding-right: 0;
    padding-bottom: 8px;
    text-align: center;
  }
  
  .contact-card-main {
    padding: 30px 20px;
  }
  
  .intro-text-card {
    padding: 30px 20px;
  }

  .timeline-card {
    padding: 28px 20px;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .hero-date-tag {
    font-size: clamp(0.78rem, 3.4vw, 0.92rem);
    padding: 4px 12px;
    letter-spacing: 0.05em;
    white-space: nowrap;
    margin-bottom: 10px;
  }

  .hero-title-main {
    font-size: clamp(1.4rem, 7.2vw, 2.4rem);
    letter-spacing: 0.08em;
    white-space: nowrap;
  }
  
  .hero-title-sub {
    font-size: clamp(0.72rem, 3.2vw, 1.05rem);
    letter-spacing: 0.08em;
    white-space: nowrap;
  }

  /* 開催実績カードのスマホ最適化 */
  .intro-features {
    gap: 8px;
  }

  .intro-feature-item {
    padding: 12px 6px;
    border-radius: 8px;
  }

  .intro-feature-num {
    font-size: 1.35rem;
    white-space: nowrap;
  }

  .intro-feature-label {
    font-size: 0.72rem;
    white-space: nowrap;
    letter-spacing: -0.02em;
  }

  /* お問い合わせフォーム周りの折り返し最適化 */
  .privacy-check-wrap {
    font-size: 0.88rem;
    text-align: left;
    align-items: flex-start;
  }

  .privacy-check-wrap input[type="checkbox"] {
    margin-top: 3px;
    flex-shrink: 0;
  }

  .phone-contact-box {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .phone-contact-box > div {
    text-align: center !important;
  }

  .phone-number-link {
    font-size: 1.5rem;
  }

  .floating-cta-info {
    display: none;
  }
  
  .floating-btn-group {
    width: 100%;
    justify-content: space-around;
    gap: 8px;
  }
  
  .floating-btn-contact,
  .floating-btn-sponsor {
    flex: 1;
    text-align: center;
    justify-content: center;
    padding: 10px 8px;
    font-size: 0.85rem;
  }
  
  .timeline-card {
    padding: 20px 12px;
  }

  .timeline-list {
    gap: 16px;
  }

  .timeline-item {
    grid-template-columns: 46px 12px minmax(0, 1fr);
    gap: 8px;
    align-items: center;
  }
  
  .timeline-list::before {
    left: 51px;
  }
  
  .timeline-time {
    font-size: 0.85rem;
  }

  .timeline-dot {
    width: 8px;
    height: 8px;
  }

  .timeline-content {
    padding: 12px 14px;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    min-width: 0;
  }

  .timeline-title {
    font-size: 0.92rem;
    line-height: 1.5;
    word-break: break-word;
    width: 100%;
  }

  .timeline-location {
    font-size: 0.75rem;
    padding: 2px 8px;
  }
}