:root {
  /* ========================================================
     YAMAHA Make Waves / VOCALOID ネオングラデーションパレット
     ======================================================== */
  --neon-purple: #a855f7;
  --neon-violet: #8b5cf6;
  --neon-magenta: #d946ef;
  --neon-pink: #ec4899;
  --neon-blue: #3b82f6;
  --neon-cyan: #06b6d4;
  --neon-sky: #38bdf8;
  --neon-emerald: #10b981;
  --neon-amber: #f59e0b;

  /* オーロラ・グラデーション */
  --grad-yamaha: linear-gradient(135deg, #d946ef 0%, #8b5cf6 35%, #3b82f6 70%, #06b6d4 100%);
  --grad-accent: linear-gradient(135deg, #ec4899 0%, #8b5cf6 50%, #3b82f6 100%);
  --grad-cyan-blue: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  --grad-purple-blue: linear-gradient(135deg, #a855f7 0%, #2563eb 100%);
  --grad-card: linear-gradient(145deg, rgba(255, 255, 255, 0.07) 0%, rgba(255, 255, 255, 0.02) 100%);

  /* ダーク背景階層（漆黒〜ディープスペースネイビー） */
  --bg-deep: #070913;
  --bg-base: #0b0f20;
  --bg-surface: #121730;
  --bg-card: rgba(18, 24, 52, 0.72);
  --bg-card-hover: rgba(26, 35, 74, 0.82);
  --bg-card-inner: rgba(11, 16, 36, 0.7);

  /* グラスモーフィズム境界線 */
  --border-glass: rgba(255, 255, 255, 0.12);
  --border-glass-light: rgba(255, 255, 255, 0.07);
  --border-glow-purple: rgba(168, 85, 247, 0.45);
  --border-glow-cyan: rgba(6, 182, 212, 0.45);

  /* タイポグラフィ用テキストカラー */
  --text-white: #ffffff;
  --text-main: #f8fafc;
  --text-body: #cbd5e1;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --font-base: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --font-en: 'Plus Jakarta Sans', sans-serif;

  /* ネオングローシャドウ */
  --glow-purple: 0 0 25px rgba(168, 85, 247, 0.35);
  --glow-cyan: 0 0 25px rgba(6, 182, 212, 0.35);
  --glow-btn: 0 4px 20px rgba(139, 92, 246, 0.45);
  --shadow-card: 0 12px 35px -5px rgba(0, 0, 0, 0.6);
  --shadow-sm: 0 4px 15px rgba(0, 0, 0, 0.3);

  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  max-width: 100vw;
  overflow-x: clip;
  background-color: var(--bg-deep);
}

@keyframes pageFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

body {
  background-color: var(--bg-deep);
  background-image: 
    radial-gradient(circle at 10% 15%, rgba(217, 70, 239, 0.16) 0%, transparent 45%),
    radial-gradient(circle at 90% 25%, rgba(6, 182, 212, 0.18) 0%, transparent 45%),
    radial-gradient(circle at 35% 65%, rgba(139, 92, 246, 0.13) 0%, transparent 50%),
    radial-gradient(circle at 80% 85%, rgba(59, 130, 246, 0.16) 0%, transparent 50%);
  background-attachment: fixed;
  color: var(--text-body);
  font-family: var(--font-base);
  line-height: 1.75;
  position: relative;
  max-width: 100vw;
  overflow-x: clip;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  padding-top: 68px; /* 固定ヘッダー分の余白確保 */
  animation: pageFadeIn 0.65s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* 固定ヘッダー下のアンカーリンク位置補正 */
section[id] {
  scroll-margin-top: 80px;
}

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ========================================================
   ヘッダー（固定配置・ディープグラスモーフィズム）
   ======================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 1000;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(7, 9, 19, 0.92);
  border-bottom: 1px solid var(--border-glass);
  transition: all 0.25s ease;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  max-width: 1240px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--text-white);
  flex-shrink: 0;
  white-space: nowrap !important;
}

.logo-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: var(--grad-yamaha);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  box-shadow: 0 2px 10px rgba(217, 70, 239, 0.4);
  flex-shrink: 0;
}

.logo-text {
  font-size: 1.02rem;
  font-weight: 900;
  color: var(--text-white);
  letter-spacing: -0.01em;
  white-space: nowrap !important;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-shrink: 1;
}

.nav-links a {
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-muted);
  transition: all 0.2s ease;
  padding: 0.4rem 0.7rem;
  border-radius: var(--radius-sm);
  white-space: nowrap !important;
  word-break: keep-all !important;
  flex-shrink: 0;
}

.nav-links a:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}

/* ハンバーガーメニューボタン */
.hamburger-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0;
  transition: all 0.2s ease;
  z-index: 110;
  flex-shrink: 0;
}

.hamburger-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--neon-purple);
}

.hamburger-btn .bar {
  width: 20px;
  height: 2px;
  background: #ffffff;
  border-radius: 2px;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: center;
}

.hamburger-btn.active .bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger-btn.active .bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger-btn.active .bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* モバイルメニュードロワー */
.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background: rgba(11, 15, 32, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glow-purple);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.8);
  max-height: calc(100vh - 65px);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
  z-index: 99;
}

.mobile-menu.active {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu-inner {
  padding: 1.25rem 1.25rem 2rem;
  max-width: 480px;
  margin: 0 auto;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: 1.25rem;
}

.mobile-nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text-main);
  font-weight: 700;
  font-size: 0.92rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass-light);
  transition: all 0.15s ease;
}

.mobile-nav-item:hover, .mobile-nav-item:active {
  background: rgba(168, 85, 247, 0.12);
  border-color: var(--neon-purple);
  color: #ffffff;
  transform: translateX(3px);
}

.m-icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--neon-cyan);
  font-size: 0.82rem;
  flex-shrink: 0;
}

.mobile-menu-cta {
  padding-top: 0.5rem;
}

.menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(3, 5, 12, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 90;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

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

.header.header-scrolled {
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.6);
  border-bottom-color: rgba(168, 85, 247, 0.25);
}

/* ========================================================
   ボタン（ネオングラデーション & グラススタイル）
   ======================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  font-family: var(--font-base);
  font-weight: 800;
  text-decoration: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap !important;
  word-break: keep-all !important;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

.btn-sm {
  padding: 0.45rem 1.15rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 0.8rem 1.6rem;
  font-size: 0.98rem;
}

.btn-xl {
  padding: 1.1rem 2.2rem;
  font-size: 1.08rem;
}

/* プライマリーボタン：YAMAHAネオングラデーション */
.btn-primary {
  background: var(--grad-yamaha);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--glow-btn);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(217, 70, 239, 0.6);
  filter: brightness(1.1);
}

.btn-primary:active {
  transform: translateY(1px);
  box-shadow: 0 2px 10px rgba(217, 70, 239, 0.4);
}

/* サブボタン：ダークグラス */
.btn-sub {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(8px);
}

.btn-sub:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: var(--neon-cyan);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.3);
  transform: translateY(-1px);
}

/* アウトラインボタン：ネオンボーダー */
.btn-outline {
  background: rgba(18, 24, 52, 0.5);
  color: #ffffff;
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  background: rgba(168, 85, 247, 0.15);
  border-color: var(--neon-purple);
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.35);
  transform: translateY(-1px);
}

/* ========================================================
   ヒーローセクション（光と音のオーロラ空間）
   ======================================================== */
.hero {
  padding: 3.5rem 0 3.75rem;
  background: 
    linear-gradient(90deg, rgba(7, 9, 19, 0.96) 0%, rgba(7, 9, 19, 0.85) 45%, rgba(7, 9, 19, 0.92) 100%),
    radial-gradient(circle at 75% 45%, rgba(217, 70, 239, 0.12) 0%, transparent 60%),
    radial-gradient(circle at 35% 35%, rgba(6, 182, 212, 0.12) 0%, transparent 60%),
    url('images/catch-banner.jpg') center center / cover no-repeat;
  border-bottom: 1px solid var(--border-glass);
  position: relative;
}

/* PC・タブレット（768px以上）：独立バナーを非表示にし、テキスト可読性を強化 */
@media (min-width: 768px) {
  .catch-banner-wrapper {
    display: none !important;
  }
  .hero-title {
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.85);
  }
  .hero-title .text-accent {
    text-shadow: none !important;
  }
  .hero-lead {
    text-shadow: 0 1px 12px rgba(0, 0, 0, 0.9);
  }
}

/* トップページ キャッチバナー（スマホ用基本スタイル） */
.catch-banner-wrapper {
  margin-bottom: 1.25rem;
  width: 100%;
}

.catch-banner-frame {
  position: relative;
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(6, 182, 212, 0.45);
  box-shadow: 
    0 8px 30px rgba(0, 0, 0, 0.6),
    0 0 25px rgba(6, 182, 212, 0.25),
    0 0 45px rgba(217, 70, 239, 0.2);
  background: #070814;
}

.catch-banner-img {
  width: 100%;
  height: auto;
  aspect-ratio: 1024 / 434;
  object-fit: cover;
  display: block;
}

.hero .container {
  max-width: 1220px;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 2.25rem;
  align-items: center;
}

.badge-pill-group {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
  margin-bottom: 0.85rem;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.95rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-glow-cyan);
  border-radius: 9999px;
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--neon-cyan);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.2);
  backdrop-filter: blur(8px);
  margin-bottom: 1.2rem;
}

.badge-pill-interval {
  border-color: var(--border-glow-purple);
  color: #d8b4fe;
  box-shadow: 0 0 15px rgba(168, 85, 247, 0.2);
}

.badge-pill-interval .badge-icon {
  color: var(--neon-magenta);
}

.badge-icon {
  font-size: 0.9rem;
  color: var(--neon-cyan);
}

.hero-title {
  font-size: clamp(2.35rem, 2.7vw + 0.85rem, 3.25rem);
  font-weight: 900;
  color: #ffffff;
  line-height: 1.28;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.title-line {
  display: block;
  white-space: nowrap;
}

.text-accent {
  background: linear-gradient(90deg, #ff4db8 0%, #d946ef 25%, #a855f7 45%, #38bdf8 75%, #00f0ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  text-shadow: none !important;
  filter: drop-shadow(0 0 12px rgba(0, 240, 255, 0.45)) drop-shadow(0 0 6px rgba(255, 77, 184, 0.4));
}

.hero-lead-heading {
  font-size: 1.15rem;
  font-weight: 900;
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.25rem;
  margin-bottom: 0.65rem;
  letter-spacing: 0.04em;
  position: relative;
}

.hero-lead-heading::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 1.1em;
  background: var(--grad-cyan-blue);
  border-radius: 2px;
  box-shadow: 0 0 10px rgba(6, 182, 212, 0.6);
}

.hero-lead-heading::after {
  display: none;
  content: none;
}

.hero-lead {
  font-size: 0.96rem;
  color: var(--text-body);
  line-height: 1.75;
  margin-bottom: 1.35rem;
}

.hero-actions {
  display: flex;
  gap: 0.85rem;
  flex-wrap: wrap;
  margin-bottom: 1.35rem;
}

/* ヒーロースタッツ（グラスモーフィズムピル） */
.hero-stats-row {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.stat-bubble {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  padding: 0.5rem 0.95rem;
  border-radius: var(--radius-sm);
  backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  transition: all 0.2s ease;
}

.stat-bubble:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--neon-purple);
  box-shadow: 0 0 15px rgba(168, 85, 247, 0.25);
}

.bubble-num {
  font-size: 0.92rem;
  font-weight: 900;
  color: var(--neon-cyan);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.bubble-desc {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 700;
  margin-top: 0.1rem;
}

/* ヒーロー右側：次回開催要項チケットカード */
.hero-image-col {
  display: flex;
  justify-content: center;
}

.hero-summary-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-lg);
  padding: 1.45rem 1.55rem;
  border: 1px solid var(--border-glow-purple);
  box-shadow: var(--shadow-card), 0 0 30px rgba(139, 92, 246, 0.2);
  max-width: 430px;
  width: 100%;
}

.summary-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.65rem;
}

.summary-tag {
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 900;
  color: #fff;
  background: var(--grad-accent);
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  box-shadow: 0 2px 10px rgba(236, 72, 153, 0.3);
}

.summary-status {
  font-size: 0.78rem;
  font-weight: 800;
  color: #10b981;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(16, 185, 129, 0.15);
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
}

.summary-title {
  font-size: 1.22rem;
  font-weight: 900;
  color: #ffffff;
  margin-bottom: 0.95rem;
  border-left: 4px solid var(--neon-magenta);
  padding-left: 0.55rem;
  line-height: 1.2;
}

.summary-list {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-bottom: 0.95rem;
}

.summary-item {
  display: flex;
  flex-direction: column;
  background: var(--bg-card-inner);
  padding: 0.5rem 0.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass-light);
}

.s-label {
  font-size: 0.72rem;
  color: var(--neon-cyan);
  font-weight: 800;
  margin-bottom: 0.1rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.s-val {
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--text-main);
}

.summary-equip-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(168, 85, 247, 0.12);
  border: 1px solid var(--border-glow-purple);
  padding: 0.55rem 0.8rem;
  border-radius: var(--radius-sm);
  font-size: 0.76rem;
  color: #ffffff;
  font-weight: 800;
}

.summary-equip-badge i {
  color: var(--neon-magenta);
  font-size: 0.88rem;
  flex-shrink: 0;
}

/* ========================================================
   共通セクション見出し & レイアウト
   ======================================================== */
.section {
  padding: 5.5rem 0;
  position: relative;
}

.section-white {
  background: transparent;
}

.section-slate {
  background: rgba(11, 15, 32, 0.6);
  border-top: 1px solid var(--border-glass);
  border-bottom: 1px solid var(--border-glass);
}

.section-accent-dark {
  background: 
    radial-gradient(circle at 80% 20%, rgba(217, 70, 239, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(6, 182, 212, 0.18) 0%, transparent 50%),
    #090c1a;
  border-top: 1px solid var(--border-glow-purple);
  border-bottom: 1px solid var(--border-glow-cyan);
}

.section-heading {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.25rem;
}

.section-subtitle {
  font-family: var(--font-en);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.18em;
  color: var(--neon-cyan);
  display: inline-block;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.section-title {
  font-size: clamp(1.85rem, 3.8vw, 2.5rem);
  font-weight: 900;
  color: #ffffff;
  line-height: 1.32;
  margin-bottom: 0.85rem;
  letter-spacing: -0.01em;
}

.section-lead {
  font-size: 0.98rem;
  color: var(--text-body);
  line-height: 1.8;
}

/* ========================================================
   次回開催概要 & 参加料金（#event）
   ======================================================== */
#event {
  padding: 3.5rem 0 4.25rem;
}

#event .section-heading {
  margin-bottom: 2rem;
}

.event-board-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-card);
  padding: 2.25rem;
  max-width: 960px;
  margin: 0 auto;
}

.board-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-glass);
  margin-bottom: 1.75rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.board-status {
  font-size: 0.95rem;
  font-weight: 900;
  color: #10b981;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.status-indicator {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 10px #10b981;
}

.board-interval {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--neon-purple);
  background: rgba(168, 85, 247, 0.12);
  padding: 0.3rem 0.85rem;
  border-radius: 9999px;
  border: 1px solid var(--border-glow-purple);
}

.event-meta-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.15rem;
  margin-bottom: 2.25rem;
}

.meta-box {
  background: var(--bg-card-inner);
  border: 1px solid var(--border-glass-light);
  border-radius: var(--radius-md);
  padding: 1.15rem 1.35rem;
  transition: all 0.2s ease;
}

.meta-box:hover {
  border-color: var(--border-glow-cyan);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.2);
}

.meta-label {
  font-size: 0.78rem;
  color: var(--neon-cyan);
  font-weight: 800;
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.meta-main {
  font-size: 1.35rem;
  font-weight: 900;
  color: #ffffff;
  margin-bottom: 0.25rem;
}

.meta-main.highlight-blue {
  background: var(--grad-cyan-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.meta-main.highlight-green {
  color: #38bdf8;
}

.meta-sub {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.55;
}

.genre-notes-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.15rem;
  margin-top: -0.85rem;
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.genre-notes-box p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

/* 料金プランカード */
.pricing-section {
  padding-top: 1.75rem;
  border-top: 1px solid var(--border-glass);
}

.pricing-title {
  font-size: 1.25rem;
  font-weight: 900;
  color: #ffffff;
  margin-bottom: 1.35rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pricing-title i {
  color: var(--neon-magenta);
}

.pricing-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 1.75rem;
}

.price-ticket {
  background: var(--bg-card-inner);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1.65rem;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: all 0.2s ease;
}

.price-ticket.rec-ticket {
  border-color: var(--neon-purple);
  background: linear-gradient(180deg, rgba(168, 85, 247, 0.12) 0%, rgba(18, 24, 52, 0.8) 40%);
  box-shadow: 0 0 25px rgba(168, 85, 247, 0.25);
}

.ticket-tag {
  position: absolute;
  top: -12px;
  right: 14px;
  background: var(--grad-yamaha);
  color: #ffffff;
  font-size: 0.74rem;
  font-weight: 900;
  padding: 0.25rem 0.8rem;
  border-radius: 9999px;
  box-shadow: 0 2px 10px rgba(217, 70, 239, 0.4);
}

.ticket-head h4 {
  font-size: 1.25rem;
  font-weight: 900;
  color: #ffffff;
}

.ticket-meta {
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--neon-cyan);
}

.ticket-price-box {
  background: rgba(0, 0, 0, 0.35);
  padding: 0.95rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass-light);
  margin: 1.15rem 0;
}

.price-line {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.p-type {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--text-muted);
}

.p-num {
  font-family: var(--font-en);
  font-size: 1.95rem;
  font-weight: 900;
  color: #ffffff;
}

.p-yen {
  font-size: 0.95rem;
  margin-left: 0.2rem;
}

.price-line-sub {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.35rem;
  padding-top: 0.35rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.1);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.ticket-perks {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  font-size: 0.86rem;
  color: var(--text-body);
}

.ticket-perks li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.ticket-perks i {
  color: var(--neon-cyan);
  margin-top: 0.25rem;
  flex-shrink: 0;
}

.pricing-notes {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  background: var(--bg-card-inner);
  padding: 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glass-light);
}

.note-pill {
  font-size: 0.86rem;
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  color: var(--text-body);
}

.note-pill i {
  color: var(--neon-cyan);
  margin-top: 0.25rem;
  flex-shrink: 0;
}

.note-pill .note-text {
  flex: 1;
  line-height: 1.55;
}

.note-pill .note-text strong {
  color: #ffffff;
  font-weight: 800;
}

.note-pill.highlight-pill {
  background: rgba(168, 85, 247, 0.1);
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glow-purple);
  color: #ffffff;
}

.note-pill.highlight-pill i {
  color: var(--neon-magenta);
}

/* ========================================================
   会場・練習会スライドショー（開催要項直下・2スクロール目）
   ======================================================== */
.venue-slideshow-section {
  margin-top: 1.75rem;
  padding-top: 1.75rem;
  margin-bottom: 2.25rem;
  border-top: 1px solid var(--border-glass);
}

.venue-slideshow-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.venue-slideshow-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0;
}

.venue-slideshow-title i {
  color: var(--neon-cyan);
}

.venue-badge {
  font-size: 0.82rem;
  font-weight: 700;
  color: #a5b4fc;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.35);
  padding: 0.3rem 0.85rem;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.venue-slideshow-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

/* スライドショー全体カード（外枠） */
.venue-showcase-card {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(6, 182, 212, 0.35);
  box-shadow: 0 10px 35px rgba(0, 0, 0, 0.5), 0 0 25px rgba(6, 182, 212, 0.15);
  background: #090c1a;
  max-width: 100%;
}

/* 1. 画像スクリーン（16:9比率で全画面表示、文字は一切重ねない） */
.showcase-screen {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #04060c;
  overflow: hidden;
}

.showcase-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease-in-out, visibility 0.4s;
  z-index: 1;
}

.showcase-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 2;
}

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

/* 左右送りボタン（画像の上に配置） */
.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(7, 9, 19, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: all 0.25s ease;
}

.slider-btn:hover {
  background: rgba(6, 182, 212, 0.35);
  border-color: var(--neon-cyan);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.6);
  transform: translateY(-50%) scale(1.08);
  color: var(--neon-cyan);
}

.slider-prev {
  left: 1rem;
}

.slider-next {
  right: 1rem;
}

/* 2. 画像下部のキャプションエリア（画像と完全に分離） */
.showcase-caption-area {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.35rem 1.65rem 1.25rem;
  background: rgba(11, 15, 30, 0.96);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

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

.caption-item {
  display: none;
}

.caption-item.active {
  display: block;
  animation: captionFadeIn 0.35s ease;
}

@keyframes captionFadeIn {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.caption-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--neon-cyan);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.35rem;
  background: rgba(6, 182, 212, 0.15);
  padding: 0.2rem 0.65rem;
  border-radius: 9999px;
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.caption-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.3rem;
  line-height: 1.35;
}

.caption-text {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin: 0;
}

/* プログレスバー（画像下端の進行状況目安バー） */
.slider-progress-track {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: rgba(255, 255, 255, 0.12);
  z-index: 15;
}

.slider-progress-bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #ff4db8 0%, #a855f7 50%, #00f0ff 100%);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.85);
}

.slider-progress-bar.active {
  animation: sliderProgress 9s linear forwards;
}

/* インジケータードット ＆ 目安タイマー表示 */
.slider-controls-wrap {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-shrink: 0;
}

.slider-timer-hint {
  font-size: 0.76rem;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  opacity: 0.8;
}

.slider-timer-hint i {
  color: var(--neon-cyan);
}

.slider-indicators {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.indicator-dot {
  width: 28px;
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  cursor: pointer;
  transition: width 0.3s ease, background 0.3s ease;
  padding: 0;
  position: relative;
  overflow: hidden;
}

.indicator-dot.active {
  width: 44px;
  background: rgba(255, 255, 255, 0.25);
}

.dot-progress {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: var(--neon-cyan);
  border-radius: 3px;
}

.dot-progress.active {
  animation: sliderProgress 9s linear forwards;
  box-shadow: 0 0 8px rgba(6, 182, 212, 0.85);
}

@keyframes sliderProgress {
  from {
    width: 0%;
  }
  to {
    width: 100%;
  }
}

/* ホバー・操作中は進行バーを一時停止（じっくり見られる親切設計） */
.venue-showcase-card.is-paused .slider-progress-bar.active,
.venue-showcase-card.is-paused .dot-progress.active {
  animation-play-state: paused !important;
}

/* ========================================================
   タイムテーブル（#timetable）
   ======================================================== */
.timetable-board {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-card);
  padding: 1.75rem;
  max-width: 880px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.class-row {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  background: var(--bg-card-inner);
  border: 1px solid var(--border-glass-light);
  transition: all 0.2s ease;
}

.class-row:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow-purple);
  box-shadow: 0 0 15px rgba(168, 85, 247, 0.2);
  transform: translateX(2px);
}

.class-meta {
  display: flex;
  align-items: center;
  gap: 1.15rem;
  flex-shrink: 0;
}

.class-period {
  font-size: 0.82rem;
  font-weight: 900;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  min-width: 65px;
  text-align: center;
  flex-shrink: 0;
  border: 1px solid var(--border-glass);
}

.class-period.slot-badge {
  background: var(--grad-yamaha);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 2px 10px rgba(217, 70, 239, 0.35);
}

.class-period.cafe-badge {
  background: rgba(6, 182, 212, 0.2);
  color: var(--neon-cyan);
  border-color: var(--border-glow-cyan);
}

.class-time {
  font-family: var(--font-en);
  font-size: 0.95rem;
  font-weight: 800;
  color: #ffffff;
  min-width: 110px;
  flex-shrink: 0;
}

.class-content h4 {
  font-size: 1rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.15rem;
}

.class-content p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ========================================================
   機材環境・転換セクション（#equipment）
   ======================================================== */
.equip-showcase-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.75rem;
}

.equip-policy-card, .transition-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-card);
  padding: 2.25rem;
}

.policy-header {
  margin-bottom: 0.85rem;
}

.policy-tag {
  font-size: 0.76rem;
  font-weight: 900;
  color: var(--neon-cyan);
  background: rgba(6, 182, 212, 0.12);
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 0.85rem;
  border: 1px solid var(--border-glow-cyan);
}

.policy-header h3 {
  font-size: 1.35rem;
  font-weight: 900;
  color: #ffffff;
  line-height: 1.4;
}

.policy-text {
  font-size: 0.92rem;
  color: var(--text-body);
  line-height: 1.75;
  margin-bottom: 1.75rem;
}

/* 持参するものチェックリスト */
.bring-items-box {
  background: var(--bg-card-inner);
  border: 1px solid var(--border-glow-cyan);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.4rem;
  margin-bottom: 1.35rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.bring-header {
  margin-bottom: 0.85rem;
}

.bring-badge {
  font-size: 0.74rem;
  font-weight: 800;
  color: #ffffff;
  background: var(--grad-cyan-blue);
  padding: 0.2rem 0.65rem;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 0.45rem;
  letter-spacing: 0.03em;
}

.bring-header h4 {
  font-size: 1.1rem;
  font-weight: 900;
  color: #ffffff;
}

.bring-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: 0;
  margin: 0;
}

.bring-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.55rem 0.75rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass-light);
}

.item-check {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(6, 182, 212, 0.2);
  color: var(--neon-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
  margin-top: 0.15rem;
}

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

.item-info strong {
  font-size: 0.92rem;
  font-weight: 800;
  color: #ffffff;
}

.item-info span {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.45;
  margin-top: 0.15rem;
}

.support-note-highlight {
  font-size: 0.86rem;
  color: var(--text-body);
  line-height: 1.65;
}

.support-note-highlight strong {
  color: var(--neon-cyan);
}

.support-box {
  background: var(--bg-card-inner);
  border: 1px solid var(--border-glow-purple);
  border-radius: var(--radius-md);
  padding: 1.35rem;
  display: flex;
  gap: 1.25rem;
  align-items: center;
}

.support-thumb-wrap {
  flex-shrink: 0;
}

.support-thumb {
  width: 155px;
  height: auto;
  border-radius: var(--radius-sm);
  filter: drop-shadow(0 4px 15px rgba(168, 85, 247, 0.4));
}

.support-content h4 {
  font-size: 1.05rem;
  font-weight: 900;
  color: #ffffff;
  margin-bottom: 0.35rem;
}

.support-content p {
  font-size: 0.84rem;
  color: var(--text-body);
  line-height: 1.6;
}

.pc-lend-note {
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.12);
  color: var(--neon-cyan);
  font-weight: 700;
}

/* 転換 3ステップ */
.trans-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.trans-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--grad-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: 0 4px 15px rgba(236, 72, 153, 0.35);
  flex-shrink: 0;
}

.trans-header h3 {
  font-size: 1.25rem;
  font-weight: 900;
  color: #ffffff;
}

.trans-header p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.trans-steps {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.step-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--bg-card-inner);
  padding: 1rem 1.15rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass-light);
  transition: all 0.2s ease;
}

.step-card:hover {
  border-color: var(--border-glow-cyan);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.2);
}

.step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--grad-yamaha);
  color: #fff;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.step-text h4 {
  font-size: 0.95rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.25rem;
}

.step-text p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* DJM-S7 実機写真（控えめ・コンパクト表示） */
.mixer-photo-wrap {
  margin-top: 0.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.85rem;
  box-shadow: none;
}

.mixer-thumb {
  width: 100%;
  max-width: 120px;
  height: auto;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.35));
  opacity: 0.85;
  transition: opacity 0.2s ease;
}

.mixer-thumb:hover {
  opacity: 1;
}

.mixer-model-tag {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: 0.45rem;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

/* ========================================================
   参加特典（自習用カリキュラム）
   ======================================================== */
.curriculum-paper-card {
  background: rgba(13, 17, 38, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-glow-purple);
  box-shadow: var(--shadow-card), 0 0 40px rgba(217, 70, 239, 0.2);
  padding: 3rem;
  max-width: 980px;
  margin: 0 auto;
}

.curriculum-grid {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 2.5rem;
  align-items: center;
}

.curriculum-icon-side {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
}

.notebook-icon {
  width: 100px;
  height: 100px;
  border-radius: 20px;
  background: var(--grad-yamaha);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.75rem;
  box-shadow: 0 8px 30px rgba(217, 70, 239, 0.45);
}

.binder-tag {
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 900;
  color: var(--neon-cyan);
  letter-spacing: 0.08em;
  background: rgba(6, 182, 212, 0.15);
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  border: 1px solid var(--border-glow-cyan);
}

.curriculum-title {
  font-size: 1.55rem;
  font-weight: 900;
  color: #ffffff;
  line-height: 1.35;
  margin-bottom: 0.85rem;
}

.curriculum-desc {
  font-size: 0.92rem;
  color: var(--text-body);
  line-height: 1.8;
  margin-bottom: 1.75rem;
}

.curriculum-formats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.format-box {
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass);
  background: var(--bg-card-inner);
  transition: all 0.2s ease;
}

.format-box:hover {
  border-color: var(--border-glow-purple);
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.25);
}

.f-badge {
  font-size: 0.75rem;
  font-weight: 900;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 0.6rem;
}

.format-dj .f-badge {
  background: var(--grad-accent);
  color: #ffffff;
}

.format-visitor .f-badge {
  background: var(--grad-cyan-blue);
  color: #ffffff;
}

.format-box h4 {
  font-size: 1.05rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.25rem;
}

.format-box p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ========================================================
   練習会の特徴・想い（#about）
   ======================================================== */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3.5rem;
}

.value-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-md);
  padding: 1.85rem 1.6rem;
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-card);
  transition: all 0.2s ease;
}

.value-card:hover {
  border-color: var(--border-glow-cyan);
  box-shadow: 0 0 25px rgba(6, 182, 212, 0.25);
  transform: translateY(-3px);
}

.v-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  margin-bottom: 1.15rem;
}

.icon-sky {
  background: rgba(6, 182, 212, 0.15);
  color: var(--neon-cyan);
  border: 1px solid var(--border-glow-cyan);
}

.icon-green {
  background: rgba(16, 185, 129, 0.15);
  color: var(--neon-emerald);
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.icon-amber {
  background: rgba(217, 70, 239, 0.15);
  color: var(--neon-magenta);
  border: 1px solid var(--border-glow-purple);
}

.value-card h3 {
  font-size: 1.2rem;
  font-weight: 900;
  color: #ffffff;
  margin-bottom: 0.65rem;
}

.value-card p {
  font-size: 0.88rem;
  color: var(--text-body);
  line-height: 1.7;
}

/* 従来との違いボックス */
.differences-box {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-glow-purple);
  padding: 2.25rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-card);
}

.diff-title {
  font-size: 1.35rem;
  font-weight: 900;
  color: #ffffff;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.diff-title i {
  color: #f59e0b;
}

.diff-columns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.diff-col {
  background: var(--bg-card-inner);
  padding: 1.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass-light);
}

.diff-num {
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 900;
  color: #ffffff;
  background: var(--grad-accent);
  padding: 0.2rem 0.65rem;
  border-radius: 9999px;
  display: inline-block;
  margin-bottom: 0.75rem;
}

.diff-col h4 {
  font-size: 1.08rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.45;
  margin-bottom: 0.55rem;
}

.diff-col p {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ========================================================
   主催者・講師プロフィール（#about 内）
   ======================================================== */
.organizer-profile-wrap {
  margin: 3.5rem 0 2.5rem;
  padding-top: 2.75rem;
  border-top: 1px solid var(--border-glass);
}

.organizer-heading-box {
  text-align: center;
  margin-bottom: 2rem;
}

.organizer-subtag {
  font-family: var(--font-en);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  color: var(--neon-cyan);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(6, 182, 212, 0.12);
  padding: 0.3rem 0.85rem;
  border-radius: 9999px;
  border: 1px solid rgba(6, 182, 212, 0.3);
  margin-bottom: 0.65rem;
}

.organizer-section-title {
  font-size: clamp(1.4rem, 2.8vw, 1.95rem);
  font-weight: 900;
  color: #ffffff;
  margin-bottom: 0.45rem;
}

.organizer-section-lead {
  font-size: 0.95rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.organizer-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-glow-purple);
  box-shadow: var(--shadow-card), 0 0 35px rgba(139, 92, 246, 0.18);
  padding: 2.5rem;
  display: grid;
  grid-template-columns: 270px 1fr;
  gap: 2.75rem;
  align-items: flex-start;
  max-width: 960px;
  margin: 0 auto;
}

.organizer-side-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.organizer-avatar-frame {
  position: relative;
  width: 145px;
  height: 145px;
  border-radius: 50%;
  padding: 4px;
  background: linear-gradient(135deg, #ff4db8 0%, #a855f7 50%, #00f0ff 100%);
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.35), 0 0 15px rgba(255, 77, 184, 0.3);
  margin-bottom: 1.15rem;
}

.organizer-avatar-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  border: 3px solid #070913;
}

.organizer-role {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--neon-cyan);
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 0.2rem;
}

.organizer-name {
  font-size: 1.65rem;
  font-weight: 900;
  color: #ffffff;
  line-height: 1.2;
  margin-bottom: 0.15rem;
}

.organizer-en-name {
  font-family: var(--font-en);
  font-size: 0.76rem;
  font-weight: 800;
  color: #94a3b8;
  letter-spacing: 0.12em;
  display: block;
  margin-bottom: 1.25rem;
}

.organizer-badges {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: 100%;
}

.org-badge {
  font-size: 0.78rem;
  font-weight: 700;
  color: #e2e8f0;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0.4rem 0.75rem;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-align: left;
}

.org-badge i {
  color: var(--neon-magenta);
  font-size: 0.85rem;
  flex-shrink: 0;
}

.organizer-bio-col {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.bio-lead-quote {
  position: relative;
  background: rgba(168, 85, 247, 0.12);
  border-left: 3px solid var(--neon-magenta);
  padding: 0.85rem 1.15rem;
  border-radius: 0 8px 8px 0;
}

.bio-lead-quote p {
  font-size: 0.98rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.6;
  margin: 0;
}

.bio-body-text {
  font-size: 0.92rem;
  color: #cbd5e1;
  line-height: 1.8;
}

.bio-body-text p {
  margin-bottom: 0.95rem;
}

.bio-body-text p:last-child {
  margin-bottom: 0;
}

.organizer-comment-box {
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.28);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.88rem;
  color: #e2e8f0;
  line-height: 1.65;
}

.comment-icon i {
  color: var(--neon-cyan);
  font-size: 1.15rem;
  margin-top: 0.2rem;
}

.comment-text strong {
  color: #ffffff;
  font-weight: 800;
  margin-right: 0.25rem;
}

.compass-banner {
  background: rgba(6, 182, 212, 0.08);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.6rem;
  border: 1px solid var(--border-glow-cyan);
  display: flex;
  gap: 1.15rem;
  align-items: center;
  margin-top: 1.5rem;
  margin-bottom: 3.5rem;
}

.compass-icon {
  font-size: 1.85rem;
  color: var(--neon-cyan);
  flex-shrink: 0;
}

.compass-text h4 {
  font-size: 1rem;
  font-weight: 900;
  color: #ffffff;
  margin-bottom: 0.25rem;
}

.compass-text p {
  font-size: 0.85rem;
  color: var(--text-body);
  line-height: 1.6;
}

/* ========================================================
   参加にあたっての注意点（#notice）
   ======================================================== */
.rules-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}

.rule-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-card);
  padding: 2.25rem;
}

.rule-header {
  display: flex;
  align-items: center;
  gap: 0.95rem;
  margin-bottom: 1.35rem;
}

.rule-badge-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.rule-header.good .rule-badge-icon {
  background: rgba(16, 185, 129, 0.15);
  color: var(--neon-emerald);
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.rule-header.caution .rule-badge-icon {
  background: rgba(236, 72, 153, 0.15);
  color: var(--neon-pink);
  border: 1px solid rgba(236, 72, 153, 0.35);
}

.rule-header h3 {
  font-size: 1.25rem;
  font-weight: 900;
  color: #ffffff;
}

.rule-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.rule-list li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  font-size: 0.88rem;
  line-height: 1.65;
}

.rule-list i {
  margin-top: 0.25rem;
  flex-shrink: 0;
}

.rule-header.good ~ .rule-list i {
  color: var(--neon-emerald);
}

.rule-header.caution ~ .rule-list i {
  color: var(--neon-pink);
}

.rule-list strong {
  color: #ffffff;
}

.rule-list p {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-top: 0.15rem;
}

/* ========================================================
   よくある質問（#faq）
   ======================================================== */
.faq-container {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.faq-item {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glass);
  overflow: hidden;
  transition: all 0.2s ease;
}

.faq-item.active {
  border-color: var(--border-glow-purple);
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.25);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  font-family: var(--font-base);
  font-size: 1rem;
  font-weight: 800;
  color: #ffffff;
  cursor: pointer;
  text-align: left;
}

.faq-icon {
  font-size: 0.95rem;
  color: var(--neon-cyan);
  transition: transform 0.25s ease;
  flex-shrink: 0;
  margin-left: 0.85rem;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  color: var(--neon-magenta);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 1.5rem;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 1.5rem 1.35rem;
}

.faq-answer p {
  font-size: 0.88rem;
  color: var(--text-body);
  line-height: 1.75;
  border-top: 1px dashed rgba(255, 255, 255, 0.1);
  padding-top: 0.85rem;
}

/* ========================================================
   参加申し込み CTA（#entry）
   ======================================================== */
.section-cta-block {
  padding: 5.5rem 0;
  background: 
    radial-gradient(circle at 50% 50%, rgba(217, 70, 239, 0.28) 0%, transparent 60%),
    radial-gradient(circle at 10% 20%, rgba(6, 182, 212, 0.22) 0%, transparent 50%),
    #070914;
}

.entry-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-glow-purple);
  box-shadow: var(--shadow-card), 0 0 45px rgba(217, 70, 239, 0.3);
  padding: 3.5rem 2.5rem;
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
}

.entry-title {
  font-size: clamp(1.85rem, 4vw, 2.65rem);
  font-weight: 900;
  color: #ffffff;
  line-height: 1.32;
  margin-bottom: 1.15rem;
}

.entry-lead {
  font-size: 1rem;
  color: var(--text-body);
  line-height: 1.8;
  max-width: 600px;
  margin: 0 auto 2.25rem;
}

.entry-lead strong {
  color: var(--neon-cyan);
}

.entry-buttons {
  display: flex;
  gap: 1.15rem;
  justify-content: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.entry-foot {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ========================================================
   フッター
   ======================================================== */
.footer-dark {
  background: #04050b;
  border-top: 1px solid var(--border-glass-light);
  padding: 3.5rem 0 2.5rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-brand .logo {
  margin-bottom: 0.4rem;
}

.footer-place {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.footer-links {
  display: flex;
  gap: 1.25rem;
}

.footer-links a {
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.footer-links a:hover {
  color: var(--neon-cyan);
}

.copyright {
  width: 100%;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  text-align: center;
  color: var(--text-dim);
  font-size: 0.78rem;
}

/* ========================================================
   ユーティリティ & レスポンシブ
   ======================================================== */
.sp-only {
  display: none !important;
}
.nowrap {
  white-space: nowrap !important;
}

@media (max-width: 1120px) {
  .nav-links a {
    font-size: 0.82rem;
    padding: 0.25rem 0.45rem;
  }
}

@media (max-width: 980px) {
  body {
    padding-top: 60px;
  }
  section[id] {
    scroll-margin-top: 72px;
  }
  .header {
    padding: 0.45rem 0;
  }
  .nav-container {
    padding: 0.4rem 1rem;
    gap: 0.75rem;
    justify-content: space-between;
  }
  .nav-links {
    display: none !important;
  }
  .header-cta {
    display: none !important;
  }
  .hamburger-btn {
    display: flex !important;
  }
  .mobile-menu {
    display: block;
  }
}

@media (max-width: 900px) {
  .catch-banner-wrapper {
    margin-bottom: 1.25rem;
  }

  .catch-banner-frame {
    border-radius: var(--radius-md);
  }

  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 1.75rem;
  }

  .hero-title {
    font-size: clamp(1.6rem, 4vw, 2.15rem);
  }

  .badge-pill {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-stats-row {
    justify-content: center;
  }

  .hero-summary-card {
    margin: 0 auto;
    text-align: left;
  }

  .equip-showcase-grid {
    grid-template-columns: 1fr;
  }

  .curriculum-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .curriculum-icon-side {
    margin: 0 auto;
  }

  .values-grid {
    grid-template-columns: 1fr;
  }

  .diff-columns {
    grid-template-columns: 1fr;
  }

  .rules-grid {
    grid-template-columns: 1fr;
  }
}

/* ========================================================
   スマートフォン最適化（完璧な可読性 & 快適な操作感）
   ======================================================== */
@media (max-width: 768px) {
  .pc-only {
    display: none !important;
  }
  .sp-only {
    display: inline !important;
  }

  /* コンテナ余白最適化（横スクロール絶対防止） */
  .container {
    padding: 0 1rem;
    max-width: 100%;
  }

  /* セクション余白圧縮 */
  .section {
    padding: 2.75rem 0;
  }

  .section-heading {
    margin-bottom: 1.75rem;
  }

  .section-title {
    font-size: clamp(1.35rem, 5.2vw, 1.8rem);
  }

  .section-lead {
    font-size: 0.88rem;
    line-height: 1.6;
  }

  /* ヘッダー1行完全収容（画面端での見切れ防止） */
  body {
    padding-top: 54px;
  }
  section[id] {
    scroll-margin-top: 65px;
  }
  .header {
    padding: 0.25rem 0;
  }

  .nav-container {
    padding: 0.35rem 0.65rem;
    gap: 0.35rem;
  }

  .logo {
    gap: 0.4rem;
  }

  .logo-icon {
    width: 28px;
    height: 28px;
    font-size: 0.82rem;
  }

  .logo-text {
    font-size: 0.9rem;
    max-width: none;
    white-space: nowrap !important;
    overflow: visible;
  }

  .header-right {
    gap: 0;
  }

  .header-cta {
    display: none !important;
  }

  .hamburger-btn {
    width: 36px;
    height: 36px;
    gap: 4.5px;
  }

  .hamburger-btn .bar {
    width: 18px;
  }

  .hamburger-btn.active .bar:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .hamburger-btn.active .bar:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  /* ヒーローセクション（スマホは深みのあるオーロラ背景＋上部独立バナー） */
  .hero {
    padding: 1.75rem 0 2rem;
    background: 
      radial-gradient(circle at 15% 25%, rgba(217, 70, 239, 0.25) 0%, transparent 45%),
      radial-gradient(circle at 85% 30%, rgba(6, 182, 212, 0.25) 0%, transparent 50%),
      radial-gradient(circle at 50% 85%, rgba(139, 92, 246, 0.2) 0%, transparent 55%),
      var(--bg-deep);
  }

  .catch-banner-wrapper {
    display: block !important;
  }

  .badge-pill-group {
    justify-content: center;
    gap: 0.4rem;
    margin-bottom: 0.65rem;
  }

  .badge-pill {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    margin-bottom: 0.65rem;
    max-width: 100%;
    text-align: center;
  }

  .hero-title {
    font-size: clamp(1.4rem, 6.4vw, 1.85rem);
    line-height: 1.32;
    margin-bottom: 0.95rem;
  }

  .hero-lead-heading {
    font-size: 1.05rem;
    font-weight: 800;
    margin-top: 1.15rem;
    margin-bottom: 0.85rem;
    display: inline-block;
    padding-bottom: 0.55rem;
    text-align: center;
    letter-spacing: 0.06em;
  }

  .hero-lead-heading::before {
    display: none;
    content: none;
  }

  .hero-lead-heading::after {
    display: block;
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 46px;
    height: 2px;
    background: linear-gradient(90deg, #00f0ff 0%, #38bdf8 50%, #d946ef 100%);
    border-radius: 999px;
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.45);
  }

  .hero-lead {
    font-size: 0.88rem;
    line-height: 1.65;
    margin-bottom: 1.15rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
    gap: 0.65rem;
    margin-bottom: 1.15rem;
  }

  .hero-actions .btn {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.92rem;
  }

  /* ヒーロースタッツ（3つ横並びで幅270px前後に完全収容） */
  .hero-stats-row {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    gap: 0.35rem;
    width: 100%;
    max-width: 100%;
  }

  .stat-bubble {
    padding: 0.4rem 0.5rem;
    border-radius: 9999px;
    flex: 1 1 0;
    min-width: 0;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
  }

  .bubble-num {
    font-size: 0.75rem;
    font-weight: 800;
    white-space: nowrap;
    gap: 0.25rem;
    justify-content: center;
  }

  .bubble-desc {
    display: none !important;
  }

  /* スマホでは重複チケットカードを非表示 */
  .hero-image-col {
    display: none !important;
  }

  /* 開催概要セクション */
  .event-board-card {
    padding: 1.25rem 1rem;
    border-radius: var(--radius-md);
  }

  .board-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
    margin-bottom: 1.25rem;
  }

  .event-meta-grid {
    grid-template-columns: 1fr;
    gap: 0.65rem;
    margin-bottom: 1.15rem;
  }

  .genre-notes-box {
    padding: 0.75rem 0.85rem;
    margin-top: -0.5rem;
    margin-bottom: 1.5rem;
    gap: 0.4rem;
  }

  .genre-notes-box p {
    font-size: 0.75rem;
  }

  .meta-box {
    padding: 0.75rem 0.9rem;
  }

  .meta-main {
    font-size: 1.15rem;
  }

  .meta-sub {
    font-size: 0.78rem;
  }

  .pricing-cards {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .price-ticket {
    padding: 1.25rem 1rem;
  }

  .p-num {
    font-size: 1.75rem;
  }

  .ticket-perks {
    font-size: 0.82rem;
  }

  .pricing-notes {
    margin-top: 1.25rem;
  }

  .note-pill {
    font-size: 0.8rem;
    padding: 0.65rem 0.85rem;
    display: flex;
    align-items: flex-start;
    gap: 0.55rem;
  }

  .note-pill i {
    margin-top: 0.15rem;
    flex-shrink: 0;
  }

  .note-pill .note-text {
    flex: 1;
    line-height: 1.5;
  }

  .note-pill .note-text strong {
    white-space: nowrap;
  }

  /* タイムテーブル：2段組み */
  .timetable-board {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    padding: 1.15rem 0.9rem;
  }

  .class-row {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 0.75rem 0.9rem;
    gap: 0.35rem;
  }

  .class-meta {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    width: 100%;
  }

  .class-period {
    min-width: auto;
    font-size: 0.75rem;
    padding: 0.18rem 0.5rem;
  }

  .class-time {
    font-size: 0.82rem;
    font-weight: 800;
  }

  .class-content {
    width: 100%;
  }

  .class-content h4 {
    font-size: 0.92rem;
    line-height: 1.35;
    margin-bottom: 0.15rem;
  }

  .class-content p {
    font-size: 0.78rem;
    line-height: 1.5;
    color: var(--text-muted);
  }

  /* 機材環境 */
  .equip-policy-card, .transition-card {
    padding: 1.25rem 1rem;
  }

  .policy-header h3 {
    font-size: 1.15rem;
    line-height: 1.4;
  }

  .bring-items-box {
    padding: 1rem 0.85rem;
    margin-bottom: 1.15rem;
  }

  .bring-header h4 {
    font-size: 1rem;
  }

  .bring-list li {
    padding: 0.5rem 0.65rem;
  }

  .item-info strong {
    font-size: 0.88rem;
  }

  .item-info span {
    font-size: 0.74rem;
  }

  .support-box {
    flex-direction: column;
    text-align: center;
    padding: 0.95rem;
    gap: 0.85rem;
  }

  .support-thumb-wrap {
    margin: 0 auto;
  }

  .support-thumb {
    width: 140px;
  }

  .support-content h4 {
    font-size: 0.95rem;
  }

  .support-content p {
    font-size: 0.8rem;
  }

  .step-card {
    padding: 0.75rem 0.85rem;
  }

  .mixer-thumb {
    max-width: 105px;
  }

  .mixer-photo-wrap {
    padding: 0.65rem;
  }

  /* 参加特典 */
  .curriculum-paper-card {
    padding: 1.35rem 1rem;
  }

  .notebook-icon {
    width: 70px;
    height: 70px;
    font-size: 2rem;
  }

  .curriculum-title {
    font-size: 1.18rem;
  }

  .curriculum-desc {
    font-size: 0.82rem;
  }

  .curriculum-formats {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .format-box {
    padding: 0.85rem;
  }

  .format-box h4 {
    font-size: 0.95rem;
    line-height: 1.45;
  }

  /* 特徴 */
  .values-grid {
    gap: 0.85rem;
  }

  .value-card {
    padding: 1.15rem 1rem;
  }

  .value-card h3 {
    font-size: 1.05rem;
  }

  .value-card p {
    font-size: 0.82rem;
  }

  .differences-box {
    padding: 1.25rem 1rem;
  }

  .diff-title {
    font-size: 1.08rem;
    margin-bottom: 0.95rem;
  }

  .diff-col {
    padding: 0.9rem;
  }

  .diff-col h4 {
    font-size: 0.92rem;
    line-height: 1.45;
  }

  .compass-banner {
    flex-direction: column;
    text-align: center;
    padding: 1rem;
  }

  /* 注意事項 */
  .rules-grid {
    gap: 0.85rem;
  }

  .rule-card {
    padding: 1.15rem 1rem;
  }

  /* CTA参加セクション */
  .entry-card {
    padding: 1.75rem 1.15rem;
  }

  .entry-title {
    font-size: clamp(1.35rem, 5.2vw, 1.85rem);
    line-height: 1.35;
    margin-bottom: 0.85rem;
  }

  .entry-buttons {
    flex-direction: column;
  }

  .btn-xl {
    width: 100%;
    padding: 0.85rem 1.2rem;
    font-size: 0.98rem;
  }

  /* 会場・練習会スライドショー（スマホ対応） */
  .venue-slideshow-section {
    margin-top: 1.5rem;
    padding-top: 1.35rem;
  }

  .venue-slideshow-heading {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
  }

  .venue-slideshow-title {
    font-size: 1.1rem;
  }

  .venue-badge {
    font-size: 0.75rem;
    padding: 0.2rem 0.65rem;
  }

  .venue-slideshow-desc {
    font-size: 0.82rem;
    margin-bottom: 0.95rem;
  }

  .venue-showcase-card {
    border-radius: 10px;
  }

  .showcase-screen {
    aspect-ratio: 16 / 9;
  }

  .showcase-caption-area {
    padding: 1rem 1.15rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .caption-tag {
    font-size: 0.7rem;
    padding: 0.15rem 0.5rem;
    margin-bottom: 0.25rem;
  }

  .caption-title {
    font-size: 0.92rem;
    line-height: 1.35;
    margin-bottom: 0.25rem;
  }

  .caption-text {
    font-size: 0.8rem;
    line-height: 1.45;
  }

  .slider-btn {
    width: 34px;
    height: 34px;
    font-size: 0.82rem;
  }

  .slider-prev {
    left: 0.45rem;
  }

  .slider-next {
    right: 0.45rem;
  }

  .slider-controls-wrap {
    align-self: flex-end;
    margin-top: 0.25rem;
    gap: 0.5rem;
  }

  .slider-indicators {
    gap: 0.35rem;
  }

  .indicator-dot {
    width: 20px;
    height: 5px;
  }

  .indicator-dot.active {
    width: 32px;
  }

  /* 主催者プロフィール（スマホ対応） */
  .organizer-profile-wrap {
    margin: 2.25rem 0 1.75rem;
    padding-top: 1.75rem;
  }

  .organizer-card {
    grid-template-columns: 1fr;
    padding: 1.5rem 1.15rem;
    gap: 1.5rem;
  }

  .organizer-avatar-frame {
    width: 120px;
    height: 120px;
  }

  .organizer-badges {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.35rem;
  }

  .org-badge {
    font-size: 0.74rem;
    padding: 0.3rem 0.55rem;
  }

  .bio-lead-quote p {
    font-size: 0.88rem;
  }

  .bio-body-text {
    font-size: 0.85rem;
    line-height: 1.7;
  }

  .organizer-comment-box {
    padding: 0.85rem 1rem;
    font-size: 0.82rem;
  }
}

/* ==========================================================================
   SEO強化：ヒーローキッカー ＆ DJレッスン指導内容カード
   ========================================================================== */
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  font-weight: 700;
  color: #38bdf8;
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.35);
  padding: 0.35rem 0.9rem;
  border-radius: 9999px;
  margin-bottom: 0.85rem;
  letter-spacing: 0.04em;
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.2);
}

.lesson-topics-wrap {
  margin-top: 3.5rem;
  margin-bottom: 2rem;
}

.lesson-topics-header {
  text-align: center;
  margin-bottom: 2rem;
}

.lesson-topics-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: #d946ef;
  background: rgba(217, 70, 239, 0.12);
  border: 1px solid rgba(217, 70, 239, 0.3);
  padding: 0.3rem 0.85rem;
  border-radius: 9999px;
  letter-spacing: 0.08em;
  margin-bottom: 0.6rem;
}

.lesson-topics-title {
  font-size: clamp(1.35rem, 2.5vw, 1.85rem);
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.6rem;
}

.lesson-topics-lead {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.7;
}

.lesson-topics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.lesson-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1.6rem 1.4rem;
  box-shadow: var(--shadow-card);
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.lesson-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, #ff4db8, #00f0ff);
  opacity: 0.7;
}

.lesson-card:hover {
  transform: translateY(-3px);
  border-color: rgba(56, 189, 248, 0.5);
  box-shadow: 0 8px 24px rgba(6, 182, 212, 0.2);
}

.lesson-card-head {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 0.85rem;
}

.lesson-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.icon-cyan {
  background: rgba(6, 182, 212, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.icon-magenta {
  background: rgba(236, 72, 153, 0.15);
  color: #f472b6;
  border: 1px solid rgba(236, 72, 153, 0.3);
}

.icon-purple {
  background: rgba(168, 85, 247, 0.15);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.3);
}

.icon-amber {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.lesson-step-badge {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  display: block;
}

.lesson-card-title {
  font-size: 1.08rem;
  font-weight: 700;
  color: #ffffff;
  margin: 0;
}

.lesson-card-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.68;
  margin: 0;
}

@media (max-width: 768px) {
  .lesson-topics-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .lesson-card {
    padding: 1.35rem 1.15rem;
  }
}

.slider-page-counter {
  font-family: var(--font-en);
  font-size: 0.82rem;
  font-weight: 800;
  color: #38bdf8;
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 0.18rem 0.55rem;
  border-radius: 6px;
  letter-spacing: 0.08em;
  display: inline-flex;
  align-items: center;
}

/* ========================================================
   ページ先頭へ戻るフローティングボタン（スマホ用）
   ======================================================== */
.scroll-to-top {
  display: none; /* PC・タブレットでは非表示 */
}

@media (max-width: 768px) {
  .scroll-to-top {
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    bottom: calc(1.5rem + env(safe-area-inset-bottom, 0px));
    right: calc(1.25rem + env(safe-area-inset-right, 0px));
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: rgba(13, 19, 36, 0.88);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(56, 189, 248, 0.4);
    color: #38bdf8;
    font-size: 1.1rem;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5), 0 0 14px rgba(6, 182, 212, 0.25);
    cursor: pointer;
    z-index: 95;
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px) scale(0.9);
    transition: opacity 0.28s ease, transform 0.28s cubic-bezier(0.34, 1.56, 0.64, 1), visibility 0.28s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    -webkit-tap-highlight-color: transparent;
  }

  .scroll-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
  }

  .scroll-to-top:hover {
    color: #ffffff;
    border-color: #38bdf8;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6), 0 0 18px rgba(56, 189, 248, 0.45);
  }

  .scroll-to-top:active {
    transform: translateY(0) scale(0.92);
    background: rgba(6, 182, 212, 0.25);
    border-color: #38bdf8;
  }
}

/* ========================================================
   スクロール連動・順次フェードインアニメーション
   ======================================================== */
.scroll-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.scroll-reveal.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  body {
    animation: none !important;
    opacity: 1 !important;
  }
  .scroll-reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}