/* Google FontsはHTMLの<link>で読み込み（preconnect最適化） */

:root {
  --bg-0: #ffffff;
  --fg-0: #050505;
  --fg-sub: #4f4f4f;
  --primary: #181C61;
  --secondary: #181C61;
  --accent: #D81417;
  --glass: rgba(255, 255, 255, 0.06);
  --glass-2: rgba(255, 255, 255, 0.12);
  --dissolve: 0; /* 0..1 scroll-driven particle dissolve progress */
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg-0);
  color: var(--fg-0);
  font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Helvetica, Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic UI", "Yu Gothic", "Meiryo", "MS PGothic", sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.skip-link:focus { left: 16px; top: 16px; width: auto; height: auto; padding: 8px 12px; background: var(--glass-2); border-radius: 8px; }

.bg-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
  filter: saturate(1.15) contrast(1.05);
}

/* particle text canvas sits above 3D but under UI */
.particle-canvas { display: none; }

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(8px);
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0));
  border-bottom: 1px solid rgba(0,0,0,0.06);
  z-index: 100;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
}
.event-badge { display: inline-flex; align-items: center; gap: 6px; padding: 6px 10px; border-radius: 999px; background: #D81417; color: #fff; font-weight: 800; box-shadow: 0 6px 16px rgba(216,20,23,0.25); }
.event-badge::before { content: none; }
.nav-toggle { display: none; background: transparent; border: 0; width: 36px; height: 28px; padding: 0; position: relative; cursor: pointer; }
.nav-toggle span { position: absolute; left: 4px; right: 4px; height: 2px; background: #111827; border-radius: 2px; transition: transform .2s ease, opacity .2s ease, top .2s ease; }
.nav-toggle span:nth-child(1) { top: 6px; }
.nav-toggle span:nth-child(2) { top: 13px; }
.nav-toggle span:nth-child(3) { top: 20px; }
.nav-toggle.is-open span:nth-child(1) { top: 13px; transform: rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { top: 13px; transform: rotate(-45deg); }
.mobile-nav { display: none; position: fixed; left: 0; right: 0; top: 64px; background: #ffffff; border-bottom: 1px solid rgba(0,0,0,0.08); box-shadow: 0 10px 30px rgba(0,0,0,0.08); z-index: 120; padding: 12px 20px; }
.mobile-nav a { display: block; padding: 12px 6px; color: #111827; text-decoration: none; border-bottom: 1px solid rgba(0,0,0,0.06); }
.mobile-nav a:last-child { border-bottom: 0; }
.mobile-nav.is-open { display: block; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: inherit; }
.brand__logo { display: block; height: 32px; width: auto; }
.site-nav a { color: var(--fg-0); text-decoration: none; margin-left: 16px; opacity: 0.9; }
.site-nav a:hover { opacity: 1; }
/* active section highlighting */
.site-nav a.is-active { color: #D81417; font-weight: 700; }

.hero {
  display: grid;
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: 72px 0 60px;
  position: relative;
}
.hero::before { content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 0; background:
  radial-gradient(120% 70% at 50% 22%, rgba(24,28,97,0.28), rgba(24,28,97,0.12) 45%, rgba(24,28,97,0.04) 70%, rgba(24,28,97,0) 85%),
  radial-gradient(90% 40% at 70% 10%, rgba(216,20,23,0.18), rgba(216,20,23,0) 60%);
}
.hero .container { position: relative; z-index: 1; }
.hero h1 { font-size: clamp(32px, 6vw, 56px); line-height: 1.15; margin: 0 0 12px; color: #ffffff; transition: color 0.3s ease; }
.hero .eyebrow { margin: 0 0 6px; color: #ffffff; opacity: 0.9; font-weight: 700; letter-spacing: 0.06em; }
.hero .eyebrow .is-main-day { display: inline-block; padding: 3px 10px; border-radius: 999px; background: linear-gradient(90deg, #D81417, #ff3b3e); color: #fff; box-shadow: 0 8px 22px rgba(216,20,23,0.42); position: relative; font-size: 1.25em; line-height: 1.1; font-weight: 800; }
.hero .eyebrow .is-main-day::after { content: "MAIN"; position: absolute; top: -10px; right: -10px; font-size: 10px; font-weight: 800; background: #111827; color: #fff; padding: 2px 6px; border-radius: 999px; box-shadow: 0 4px 10px rgba(0,0,0,0.25); }
.hero .lead { color: rgba(255,255,255,0.9); font-size: clamp(16px, 2.2vw, 20px); margin: 0 0 24px; transition: color 0.3s ease; }
.hero h1, .hero .lead, .hero .eyebrow { text-shadow: 0 2px 10px rgba(0,0,0,0.4); }
.scrolled .hero h1 { color: var(--fg-0); }
.scrolled .hero .eyebrow { color: var(--fg-sub); }
.scrolled .hero .eyebrow .is-main-day { background: #D81417; color: #fff; }
.scrolled .hero .lead { color: var(--fg-sub); }
.scrolled .hero h1, .scrolled .hero .lead, .scrolled .hero .eyebrow { text-shadow: 0 1px 2px rgba(255,255,255,0.25); }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

.section { padding: 28px 0; }
.section h2 { font-size: clamp(24px, 3.2vw, 32px); margin: 0 0 16px; }
.section p { margin: 0; }
/* 19日詳細のスタイル */
.section--day19 h2 { color: #D81417; }
.section--day19 p { line-height: 1.6; margin: 6px 0; }
.section--day19 h3 { margin-top: 16px; font-size: clamp(18px, 2.4vw, 24px); color: var(--primary); font-weight: 800; letter-spacing: .02em; position: relative; padding-left: 14px; }
.section--day19 h3::after { content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 6px; height: 6px; border-radius: 50%; background: #D81417; box-shadow: 0 0 0 6px rgba(216,20,23,0.12); }
.day19-head { position: relative; padding-left: 12px; }
.day19-head::before { content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 6px; height: 6px; border-radius: 50%; background: #D81417; box-shadow: 0 0 0 6px rgba(216,20,23,0.12); }
.day19-visual { margin: 8px 0 10px; border-radius: 12px; overflow: hidden; border: 1px solid #e5e7eb; box-shadow: 0 8px 24px rgba(17,24,39,0.08); }
.day19-visual img { display: block; width: 100%; height: 220px; object-fit: cover; }
/* reveal animation */
.reveal-up { opacity: 0; transform: translateY(12px); transition: opacity .6s ease, transform .6s ease; }
.reveal-up.is-visible { opacity: 1; transform: translateY(0); }

/* section heading accent colors */
.section--perks h2,
.section--ticket h2 { color: #D81417; }
.section--apply h2 { color: #D81417; }
.section--vision h2 { color: #D81417; }
.section--vision { padding-top: 16px; }

/* about cards */
.about-lead { margin: 16px 0 12px; font-size: 18px; font-weight: 700; color: var(--fg-0); }
.tabs { display: inline-flex; gap: 8px; background: #fff; border: 1px solid rgba(0,0,0,0.08); border-radius: 999px; padding: 4px; }
.tab { appearance: none; border: 0; background: transparent; padding: 8px 14px; border-radius: 999px; font-weight: 700; color: var(--fg-sub); cursor: pointer; }
.tab.is-active { background: #D81417; color: #fff; }
.tab-panel { margin-top: 12px; }
.about-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.about-card { background: #ffffff; border: 1px solid rgba(0,0,0,0.08); border-radius: 12px; overflow: hidden; }
.about-card--media { display: grid; grid-template-rows: 160px 1fr; }
.about-card__media { margin: 0; height: 160px; overflow: hidden; position: relative; }
.about-card__media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.about-card__media--cover img { object-position: center center; transform: scale(1.04); }
.about-card__media--contain img { object-fit: contain; background: #fff; padding: 8px; }
.about-card__media--photo { background: #ffffff; }
.about-card__media--photo img { object-fit: contain; }
.about-card__body { padding: 12px 14px; }
.about-card h4 { margin: 4px 0 8px; font-size: 16px; color: var(--primary); }
.about-card p + p { margin-top: 6px; color: var(--fg-sub); }
.about-gallery { margin-top: 8px; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.about-gallery img { width: 100%; height: 120px; object-fit: cover; border-radius: 8px; cursor: zoom-in; }
.about-card--wide { grid-column: span 3; padding: 16px 18px; }
.about-card--span2 { grid-column: span 2; }
.about-card--wide h4 { margin-top: 2px; }
.about-card--wide p + p { margin-top: 8px; }
.tag { display: inline-block; padding: 4px 8px; border-radius: 999px; font-size: 12px; border: 1px solid #e5e7eb; background: #fff; color: #111827; }
.tag--limited { background: rgba(216,20,23,0.08); color: #D81417; border-color: rgba(216,20,23,0.45); margin-bottom: 6px; }
.tag--day { background: rgba(24,28,97,0.08); color: var(--primary); border-color: rgba(24,28,97,0.45); }
.media-badge { position: absolute; top: 8px; right: 8px; z-index: 2; }

/* Lightbox for photo enlarging */
.lightbox-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,0.75); display: none; align-items: center; justify-content: center; z-index: 1000; }
.lightbox-backdrop.open { display: flex; }
.lightbox-backdrop img { max-width: 90vw; max-height: 90vh; border-radius: 8px; box-shadow: 0 10px 30px rgba(0,0,0,0.4); }
.deal-list { list-style: none; padding: 0; margin: 8px 0 0; display: grid; gap: 6px; }
.deal-item { display: grid; grid-template-columns: minmax(160px, 2fr) minmax(140px, 1fr) auto; align-items: center; gap: 8px; padding: 8px 10px; border: 1px solid #e5e7eb; border-radius: 10px; background: #fff; }
.deal-name { font-weight: 700; word-break: normal; }
.deal-meta { color: var(--fg-sub); font-size: 12px; text-decoration: line-through; }
.deal-price { font-weight: 800; color: #D81417; font-size: 18px; background: transparent; border: none; padding: 0; border-radius: 0; }
.deal-price::before { content: "→"; margin-right: 6px; font-weight: 900; color: #D81417; }
/* stacked meta/prices for merged items */
.deal-meta--stack { display: grid; gap: 2px; }
.deal-price-sub { display: block; color: #D81417; font-weight: 800; opacity: 0.95; }
.deal-price-sub::before { content: "→"; margin-right: 6px; font-weight: 900; color: #D81417; }
@media (max-width: 900px) {
  .deal-item { grid-template-columns: minmax(140px, 1fr) auto auto; }
}
@media (max-width: 640px) {
  .deal-item { grid-template-columns: 1fr auto; grid-template-rows: auto auto; }
  .deal-name { grid-column: 1; }
  .deal-meta { grid-column: 1; }
  .deal-price { grid-column: 2; grid-row: 1 / span 2; align-self: center; }
}
.deal-note { margin-top: 8px; color: var(--fg-sub); font-size: 13px; }

.about-key { margin-top: 14px; text-align: center; }
.about-key__lead { color: var(--fg-sub); margin-bottom: 6px; }
.about-key__tags { font-weight: 800; font-size: 18px; }
.about-key__desc { color: var(--fg-sub); margin-top: 4px; }

/* section surfaces: solid white background */
.section > .container {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 18px;
  padding-top: 12px;
  padding-bottom: 12px;
}

/* perks */
.section--perks .perks-sub { color: var(--fg-sub); margin-bottom: 20px; }
/* ticket perks */
.section--ticket .ticket-sub { color: var(--fg-sub); margin-bottom: 16px; }
.ticket-hero { position: relative; margin: 8px 0 12px; border-radius: 14px; overflow: hidden; border: 1px solid #e5e7eb; box-shadow: 0 6px 24px rgba(17,24,39,0.06); max-height: 200px; background: #f6f7fb; }
.section--ticket .ticket-hero { width: 100%; margin-left: 0; margin-right: 0; }
.ticket-hero img { width: 100%; height: auto; object-fit: contain; object-position: center center; display: block; }
.ticket-hero.pos-center img { object-position: center center; }
.ticket-hero.pos-top img { object-position: center top; }
.ticket-hero.pos-bottom img { object-position: center bottom; }
.ticket-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,0) 65%, rgba(0,0,0,0.12)); pointer-events: none; }
.ticket-headline { margin: 8px 0 10px; font-size: clamp(18px, 3vw, 22px); line-height: 1.35; font-weight: 800; letter-spacing: 0.01em; }
.ticket-headline span { color: #D81417; text-decoration: underline; text-decoration-thickness: 0.12em; text-underline-offset: 0.18em; }
.ticket-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.ticket-item {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 8px;
  background: #ffffff;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 12px;
  padding: 12px 14px;
}
.ticket-body h3 { margin: 0 0 4px; font-size: 15px; font-weight: 700; }
.ticket-price { margin: 0; color: var(--fg-sub); font-size: 14px; }
.badge { display: inline-block; background: transparent; color: var(--fg-sub); border: 1px solid rgba(0,0,0,0.25); padding: 2px 8px; border-radius: 999px; font-size: 12px; }
.badge--alt { background: rgba(216,20,23,0.06); color: #D81417; border-color: rgba(216,20,23,0.55); }

.ticket-promo { margin-top: 12px; padding-top: 10px; border-top: 1px solid rgba(0,0,0,0.06); }
.ticket-promo__line { display: flex; align-items: baseline; gap: 8px; font-weight: 800; }
.ticket-promo__label { color: var(--fg-sub); font-weight: 600; letter-spacing: 0.02em; }
.ticket-promo__amount { text-decoration: line-through; color: var(--fg-sub); }
.ticket-promo__arrow { opacity: 0.6; }
.ticket-promo__final { color: #D81417; font-size: 24px; }
.tax-note { font-size: 12px; opacity: 0.8; margin-left: 2px; }
.perks-message { margin-top: 8px; font-weight: 800; color: #111827; }
/* mini list for perk6 */
.perk-mini-list { margin-top: 6px; display: grid; gap: 6px; }
.perk-mini-row { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: center; border: 1px solid #e5e7eb; border-radius: 10px; padding: 8px 10px; background: #fff; }
.perk-mini-name { font-weight: 700; color: #111827; }
.perk-mini-price { color: var(--fg-sub); }
.perk-mini-sum { margin-top: 10px; display: flex; align-items: baseline; gap: 8px; font-weight: 800; }
.perk-mini-sum .label { color: var(--fg-sub); font-weight: 600; }
.perk-mini-sum .amount { text-decoration: line-through; color: var(--fg-sub); }
.perk-mini-sum .arrow { opacity: 0.6; }
.perk-mini-sum .final { color: #D81417; }
.ticket-promo__tag { display:none; }

.ticket-notes { margin: 10px 0 0; padding-left: 18px; color: var(--fg-sub); font-size: 12px; }

@media (max-width: 1024px) {
  .ticket-grid { grid-template-columns: 1fr; }
}
/* apply form */
.apply-form { display: block; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; }
.form-field { display: grid; gap: 6px; font-size: 14px; }
.form-field input { height: 40px; padding: 8px 10px; border-radius: 10px; border: 1px solid rgba(0,0,0,0.16); background: #fff; color: var(--fg-0); }
.form-field input:focus { outline: 2px solid rgba(216,20,23,0.25); border-color: rgba(216,20,23,0.4); }
.form-field select { height: 40px; padding: 8px 36px 8px 10px; border-radius: 10px; border: 1px solid rgba(0,0,0,0.16); background: #fff; color: var(--fg-0); appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2399a1aa' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>"); background-repeat: no-repeat; background-position: right 10px center; background-size: 16px 16px; }
.form-field select:focus { outline: 2px solid rgba(216,20,23,0.25); border-color: rgba(216,20,23,0.4); }
.form-note { color: var(--fg-sub); margin: 8px 0 12px; font-size: 12px; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }
.perks-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.perk-card {
  position: relative;
  background: #ffffff;
  border: 1px solid rgba(255,255,255,0.6);
  border-radius: 22px;
  overflow: hidden;
  box-shadow:
    0 1px 2px rgba(17,24,39,0.04),
    0 12px 28px rgba(17,24,39,0.09),
    inset 0 0 0 1px rgba(216,20,23,0.06);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  background-image:
    radial-gradient(1200px 300px at -10% -20%, rgba(216,20,23,0.06), transparent 45%),
    linear-gradient(180deg, rgba(0,0,0,0.02), rgba(0,0,0,0) 40%);
}
.perk-card:hover { transform: translateY(-2px); box-shadow: 0 16px 36px rgba(17,24,39,0.12); }
.perk-card::before { content: none; }
.perk-visual, .perk-body { position: relative; z-index: 1; }
.perk-visual { height: 200px; background: linear-gradient(180deg, rgba(24,28,97,0.08), rgba(24,28,97,0.02)); border-bottom: 1px solid #eef2f7; position: relative; }
.perk-visual--img { display: grid; place-items: center; position: relative; overflow: hidden; }
.perk-visual--img img { max-width: 88%; max-height: 150px; object-fit: contain; filter: drop-shadow(0 2px 6px rgba(0,0,0,0.08)); display: block; }
/* 特典②・③は枠にフィットさせて自動トリミング */
.perk-visual--img[data-perk="3"] img {
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  object-fit: cover;
  object-position: center;
}
.perk-visual--img[data-perk="2"] img { width: 90%; height: auto; max-width: 420px; max-height: 140px; object-fit: contain; object-position: center; }
.perk-body { padding: 18px; }
.perk-body h3 { margin: 0 0 10px; font-size: 14px; font-weight: 800; color: #111827; letter-spacing: .08em; text-transform: none; display: inline-block; padding: 6px 10px; background: #f3f4f6; border: 1px solid #e5e7eb; border-radius: 9999px; }
.perk-body h3 { background: #111827; color: #fff; border-color: #111827; border-radius: 6px; padding: 6px 10px; }
.perk-highlight { font-size: 22px; font-weight: 800; color: #111827; letter-spacing: 0.01em; }
.perk-inline { margin: 10px 0 0; border-radius: 12px; overflow: hidden; border: 1px solid #e5e7eb; }
.perk-inline img { width: 100%; height: auto; display: block; cursor: zoom-in; }
.perk-body .btn--sm { margin-top: 10px; margin-left: auto; display: inline-flex; }
.perk-ornament { position: absolute; inset: -20%; background: radial-gradient(circle at 30% 20%, rgba(255,255,255,0.55), transparent 40%), radial-gradient(circle at 80% 0%, rgba(216,20,23,0.25), transparent 45%), radial-gradient(circle at 100% 100%, rgba(24,28,97,0.25), transparent 40%); filter: blur(12px); transform: scale(1); animation: orbitGlow 8s linear infinite; opacity: .8; }
@keyframes orbitGlow { 0% { transform: rotate(0deg) scale(1); } 50% { transform: rotate(180deg) scale(1.03); } 100% { transform: rotate(360deg) scale(1); } }
.video-embed { position: relative; width: 100%; padding-top: 56.25%; border-radius: 12px; overflow: hidden; border: 1px solid #e5e7eb; box-shadow: 0 8px 24px rgba(17,24,39,0.08); margin: 8px 0 10px; }
.video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; }

@media (max-width: 1024px) {
  .perks-grid { grid-template-columns: 1fr; }
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.feature-card {
  background: linear-gradient(180deg, var(--glass), rgba(255,255,255,0.02));
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 14px;
  padding: 18px;
}
.feature-card h3 { margin: 2px 0 8px; font-size: 18px; }
.feature-card p { margin: 0; color: var(--fg-sub); }

.schedule-list { list-style: none; padding: 0; margin: 12px 0 0; }
.schedule-list li { padding: 10px 0; border-bottom: 1px dashed rgba(0,0,0,0.12); }
.schedule-list li strong { color: var(--primary); font-weight: 600; margin-right: 8px; }
.schedule-ticket { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.schedule-ticket__label { font-weight: 700; }
.schedule-help { padding: 8px 0 0; border-bottom: none; }
.schedule-help a { color: #D81417; font-weight: 700; text-decoration: underline; text-underline-offset: 2px; }

.site-footer { padding: 40px 0 80px; color: var(--fg-sub); }
.footer-nav a { color: var(--fg-sub); text-decoration: none; margin-right: 12px; }
.footer-nav a:hover { color: var(--fg-0); }

.map-embed { margin-top: 16px; border-radius: 12px; overflow: hidden; border: 1px solid rgba(0,0,0,0.06); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 12px;
  border: 1px solid transparent;
  text-decoration: none;
  color: var(--fg-0);
  transition: transform 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
  white-space: nowrap; /* ボタン文言の改行を防止 */
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: linear-gradient(90deg, var(--primary), var(--accent)); color: #ffffff; font-weight: 700; }
.btn--secondary { background: rgba(0,0,0,0.06); border-color: rgba(0,0,0,0.12); }
.btn--ghost { background: transparent; border-color: rgba(0,0,0,0.18); }
.btn--lg { padding: 14px 22px; font-size: 18px; }
.btn--sm { padding: 8px 12px; font-size: 13px; }

/* floating CTA */
.floating-cta {
  position: fixed;
  right: calc((100vw - min(100vw, 1120px)) / 2 + 20px);
  bottom: 18px;
  z-index: 20;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 18px;
  border-radius: 999px;
  background: #D81417;
  color: #ffffff;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 6px 20px rgba(24,28,97,0.25);
  white-space: nowrap; /* 改行防止 */
}
.floating-cta:hover { transform: translateY(-1px); filter: brightness(0.95); }

/* inline variant matching floating-cta style */
.floating-cta--inline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: 999px;
  background: #D81417;
  color: #ffffff;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 6px 20px rgba(24,28,97,0.25);
  white-space: nowrap; /* 改行防止 */
}
.floating-cta--inline:hover { transform: translateY(-1px); filter: brightness(0.95); }

@media (max-width: 640px) {
  .floating-cta { right: 24px; }
}

@media (max-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .about-cards { grid-template-columns: 1fr; }
  .about-card--wide, .about-card--span2 { grid-column: auto; }
}
@media (max-width: 640px) {
  .site-nav { display: none; }
  .site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; }
  .feature-grid { grid-template-columns: 1fr; }
  .container { padding: 0 24px; }
  .section { padding: 24px 0; }
  .section--ticket .ticket-hero { width: calc(100% + 48px); margin-left: -24px; margin-right: -24px; }
  .about-card__media { height: 140px; }
  .section > .container { padding-top: 16px; padding-bottom: 16px; }
  .nav-toggle { display: inline-block; }
  body { padding-top: 64px; }
  /* font sizing tweaks for SP */
  .hero h1 { font-size: clamp(26px, 6.5vw, 40px); }
  .hero .lead { font-size: 14px; }
  .section h2 { font-size: clamp(18px, 5vw, 24px); }
  .about-lead { font-size: 15px; }
  .ticket-headline { font-size: clamp(15px, 3.8vw, 19px); }
  .perk-highlight { font-size: 19px; }
  .ticket-price { font-size: 12.5px; }
}

/* 394px以下ではボタンのフォントとパディングを少し縮小して改行・見切れを防止 */
@media (max-width: 400px) {
  .btn { padding: 9px 14px; }
  .floating-cta { padding: 12px 16px; font-size: 14px; }
  .floating-cta--inline { padding: 9px 14px; font-size: 14px; }
}