/* ====================================================================
   JDM Guide Tokyo — style.css
   v3 spec準拠 / モバイルファースト / ダーク&シネマティック
   ==================================================================== */

/* ============ カスタムプロパティ ============ */
:root {
  /* 背景 — 純黒(#000)は使わず、青紫の下地で奥行きを */
  --bg-primary: #0A0A0F;
  --bg-elevated: #12121A;
  --bg-card: #1A1A25;
  --bg-deepest: #05050A;

  /* テキスト */
  --text-primary: #F0F0F0;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;

  /* アクセント */
  --accent-red: #FF1744;
  --accent-red-hover: #FF4D6A;
  --accent-blue: #00B4D8;
  --accent-gold: #FFB800;
  --accent-orange: #F97316;

  /* ユーティリティ */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-faint: rgba(255, 255, 255, 0.04);
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.08);

  /* レイアウト */
  --container-max: 1200px;
  --nav-height: 72px;
  --section-pad-y: clamp(4rem, 10vw, 8rem);

  /* イージング */
  --ease-cinema: cubic-bezier(0.25, 1, 0.5, 1);
}

/* ============ リセット ============ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: 'Noto Sans JP', 'DM Sans', system-ui, -apple-system, sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  /* アンビエントなラジアル光源で純黒を回避 */
  background-image:
    radial-gradient(ellipse at 20% 50%, rgba(255, 23, 68, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(0, 180, 216, 0.04) 0%, transparent 50%);
  background-attachment: fixed;
  overflow-x: hidden;
  min-height: 100vh;
}

/* フィルムグレイン(シネマティック演出の核) */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.10;
  mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

img, video {
  max-width: 100%;
  display: block;
}

/* hidden 属性を CSS の display 上書きから守る */
[hidden] {
  display: none !important;
}

button {
  font: inherit;
  cursor: pointer;
  background: none;
  border: none;
  color: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

input, textarea {
  font: inherit;
  color: inherit;
}

/* ============ コンテナ・共通 ============ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

@media (min-width: 768px) {
  .container { padding: 0 2rem; }
}

main > section {
  padding: var(--section-pad-y) 0;
  position: relative;
  content-visibility: auto;
  contain-intrinsic-size: auto 1000px;
}

.section-header {
  text-align: center;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-heading {
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  position: relative;
  display: inline-block;
}

.section-heading::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: var(--accent-red);
  margin: 1rem auto 0;
}

.section-sub {
  font-size: 0.95rem;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

/* セクション縦書きアクセントテキスト */
.section-accent-text {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  color: rgba(255, 23, 68, 0.15);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  font-family: 'Orbitron', sans-serif;
  pointer-events: none;
  z-index: 1;
}

@media (max-width: 767px) {
  .section-accent-text { display: none; }
}

/* ============ ガラスカード ============ */
.glass-card {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(12px) saturate(150%);
  backdrop-filter: blur(12px) saturate(150%);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass-card {
    background: rgba(26, 26, 37, 0.85);
  }
}

/* ============ 画像プレースホルダ(シマー) ============ */
.img-placeholder {
  background: var(--bg-card);
  position: relative;
  overflow: hidden;
  border-radius: 8px;
}

.img-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: relative;
  z-index: 2;
}

.img-placeholder::before {
  content: attr(data-label);
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  color: var(--text-muted);
  font-family: 'Orbitron', sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  z-index: 1;
  text-align: center;
  padding: 1rem;
}

.img-placeholder::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.06) 50%,
    transparent 100%
  );
  animation: shimmer 2.4s infinite;
  transform: translateX(-100%);
  z-index: 3;
  pointer-events: none;
}

@keyframes shimmer {
  to { transform: translateX(100%); }
}

/* ============ ネオンテキスト ============ */
.neon-text {
  text-shadow:
    0 0 7px rgba(255, 23, 68, 0.8),
    0 0 20px rgba(255, 23, 68, 0.5),
    0 0 40px rgba(255, 23, 68, 0.3);
  animation: neonPulse 4s ease-in-out infinite;
}

@keyframes neonPulse {
  0%, 100% {
    text-shadow:
      0 0 7px rgba(255, 23, 68, 0.8),
      0 0 20px rgba(255, 23, 68, 0.5),
      0 0 40px rgba(255, 23, 68, 0.3);
  }
  50% {
    text-shadow:
      0 0 5px rgba(255, 23, 68, 0.7),
      0 0 14px rgba(255, 23, 68, 0.4),
      0 0 28px rgba(255, 23, 68, 0.2);
  }
}

/* ============ スクロールリビール ============ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-cinema), transform 0.7s var(--ease-cinema);
  transition-delay: calc(var(--index, 0) * 100ms);
}

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

/* ============ CTA ボタン ============ */
.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background: var(--accent-red);
  color: #fff;
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 6px;
  transition: background 0.3s var(--ease-cinema), transform 0.3s var(--ease-cinema), box-shadow 0.3s var(--ease-cinema);
  box-shadow: 0 4px 20px rgba(255, 23, 68, 0.25);
  min-height: 56px;
  justify-content: center;
}

.cta-button:hover {
  background: var(--accent-red-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 23, 68, 0.4);
}

.cta-button:active {
  transform: translateY(0);
}

.cta-arrow {
  transition: transform 0.3s var(--ease-cinema);
}

.cta-button:hover .cta-arrow {
  transform: translateX(4px);
}

/* ====================================================================
   NAVBAR
   ==================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: transparent;
  transition: background 0.4s var(--ease-cinema), border-color 0.4s var(--ease-cinema), backdrop-filter 0.4s var(--ease-cinema);
  border-bottom: 1px solid transparent;
}

.navbar.is-scrolled {
  background: rgba(10, 10, 15, 0.92);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom-color: var(--border-subtle);
}

.nav-container {
  max-width: var(--container-max);
  height: 100%;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

@media (min-width: 768px) {
  .nav-container { padding: 0 2rem; }
}

.nav-logo {
  font-family: 'Orbitron', sans-serif;
  font-weight: 900;
  font-size: 1.05rem;
  letter-spacing: 0.1em;
  display: flex;
  gap: 0.4rem;
  white-space: nowrap;
}

.nav-logo-jdm {
  color: var(--accent-red);
}

.nav-links {
  display: none;
  align-items: center;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .nav-links {
    display: flex;
  }
}

.nav-links a {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color 0.3s var(--ease-cinema);
  position: relative;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 1px;
  background: var(--accent-red);
  transition: width 0.3s var(--ease-cinema);
}

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

.nav-links .nav-cta {
  color: var(--accent-red);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  font-family: 'Orbitron', sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  transition: all 0.3s var(--ease-cinema);
}

.lang-toggle:hover {
  border-color: var(--accent-red);
  color: var(--text-primary);
}

.lang-flag {
  font-size: 0.95rem;
  line-height: 1;
}

/* ハンバーガー */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  padding: 0;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  transition: transform 0.3s var(--ease-cinema), opacity 0.3s var(--ease-cinema);
  border-radius: 2px;
}

.hamburger.is-open span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.hamburger.is-open span:nth-child(2) {
  opacity: 0;
}

.hamburger.is-open span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

@media (min-width: 1024px) {
  .hamburger { display: none; }
}

/* モバイルナビパネル */
@media (max-width: 1023px) {
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    right: 0;
    width: 100%;
    max-width: 320px;
    height: calc(100vh - var(--nav-height));
    background: rgba(10, 10, 15, 0.97);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border-left: 1px solid var(--border-subtle);
    flex-direction: column;
    align-items: flex-start;
    padding: 2.5rem 2rem;
    gap: 1.75rem;
    transform: translateX(100%);
    transition: transform 0.4s var(--ease-cinema);
  }

  .nav-links.is-open {
    display: flex;
    transform: translateX(0);
  }

  .nav-links a {
    font-size: 1rem;
  }
}

/* ====================================================================
   HERO
   ==================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 0 1.25rem;
  isolation: isolate;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-bg-fallback {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0a0a1a 0%, #1a0a2a 33%, #2a0a1f 66%, #0a0a1a 100%);
  background-size: 400% 400%;
  animation: heroGradient 20s ease infinite;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

@keyframes heroGradient {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-fallback-icon {
  font-size: 3rem;
  color: rgba(255, 255, 255, 0.3);
  opacity: 0.3;
}

.hero-fallback-text {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.15em;
  opacity: 0.5;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(to bottom, rgba(10,10,15,0.4) 0%, rgba(10,10,15,0.85) 100%);
}

.hero-watermark {
  position: absolute;
  right: -2vw;
  top: 50%;
  transform: translateY(-50%);
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 900;
  font-size: 30vw;
  color: rgba(255, 255, 255, 0.04);
  pointer-events: none;
  z-index: 0;
  line-height: 1;
}

.hero-info-strip {
  position: absolute;
  top: calc(var(--nav-height) + 1rem);
  left: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Orbitron', sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  background: rgba(10, 10, 15, 0.5);
  border: 1px solid var(--border-subtle);
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2;
  opacity: 0;
  animation: heroFade 0.8s var(--ease-cinema) 0.1s forwards;
}

.hero-info-strip .dot {
  color: var(--accent-red);
}

@media (min-width: 768px) {
  .hero-info-strip {
    left: 2rem;
    font-size: 0.78rem;
  }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
}

.hero-subtitle {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(0.78rem, 1.4vw, 1rem);
  font-weight: 500;
  letter-spacing: 0.3em;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  position: relative;
  display: inline-block;
  opacity: 0;
  animation: heroFade 0.9s var(--ease-cinema) 0.2s forwards;
}

.hero-subtitle::after {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background: var(--accent-red);
  margin: 0.75rem auto 0;
}

.hero-title {
  font-family: 'Orbitron', sans-serif;
  font-weight: 900;
  font-size: clamp(2.75rem, 8vw, 7rem);
  letter-spacing: 0.04em;
  line-height: 1;
  margin-bottom: 1.75rem;
  background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.55) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-transform: uppercase;
  opacity: 0;
  animation: heroFade 1s var(--ease-cinema) 0.5s forwards;
}

.hero-catchcopy {
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  line-height: 1.9;
  color: var(--text-primary);
  margin-bottom: 2.5rem;
  font-weight: 400;
  opacity: 0;
  animation: heroFade 1s var(--ease-cinema) 0.8s forwards;
}

.hero-cta {
  opacity: 0;
  animation: heroFade 1s var(--ease-cinema) 1.1s forwards;
}

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

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 28px;
  height: 44px;
  border: 2px solid var(--text-secondary);
  border-radius: 999px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
  opacity: 0;
  animation: heroFade 1s var(--ease-cinema) 1.4s forwards;
}

.scroll-arrow {
  width: 4px;
  height: 8px;
  background: var(--text-secondary);
  border-radius: 2px;
  animation: scrollBounce 1.8s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 0.4; }
  50% { transform: translateY(8px); opacity: 1; }
}

/* ====================================================================
   EXPERIENCE タイムライン
   ==================================================================== */
.experience {
  background: var(--bg-primary);
}

.timeline {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom,
    transparent,
    var(--accent-red) 5%,
    var(--accent-red) 95%,
    transparent);
}

@media (min-width: 1024px) {
  .timeline::before {
    left: 50%;
    transform: translateX(-50%);
  }
}

.timeline-item {
  position: relative;
  padding-left: 60px;
  margin-bottom: 3rem;
}

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

.timeline-dot {
  position: absolute;
  left: 20px;
  top: 1.25rem;
  transform: translateX(-50%);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-red);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  color: #fff;
  z-index: 2;
  box-shadow: 0 0 0 4px var(--bg-primary), 0 0 20px rgba(255, 23, 68, 0.5);
}

.timeline-card {
  display: grid;
  grid-template-columns: 1fr;
  overflow: hidden;
}

.timeline-image {
  aspect-ratio: 16 / 9;
  width: 100%;
}

.timeline-body {
  padding: 1.5rem;
}

.timeline-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.timeline-time {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-red);
  letter-spacing: 0.05em;
}

.timeline-duration {
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  border-left: 1px solid var(--border-subtle);
  padding-left: 1rem;
}

.timeline-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.value-badge {
  display: inline-block;
  background: rgba(255, 23, 68, 0.15);
  border: 1px solid rgba(255, 23, 68, 0.4);
  color: var(--accent-red);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.4rem 0.85rem;
  border-radius: 4px;
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
}

.highlight-corner-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--accent-red);
  color: #fff;
  font-family: 'Orbitron', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.4rem 0.75rem;
  border-radius: 4px;
  z-index: 4;
  box-shadow: 0 4px 12px rgba(255, 23, 68, 0.4);
}

.timeline-desc {
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--text-secondary);
}

.is-highlight .timeline-card {
  border-color: rgba(255, 23, 68, 0.3);
  box-shadow: 0 0 40px rgba(255, 23, 68, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

@media (min-width: 1024px) {
  .timeline-item {
    padding-left: 0;
    width: 50%;
    padding-right: 3rem;
  }

  .timeline-item:nth-child(even) {
    margin-left: 50%;
    padding-right: 0;
    padding-left: 3rem;
  }

  .timeline-dot {
    left: 100%;
    transform: translate(-50%, 0);
    top: 1.5rem;
  }

  .timeline-item:nth-child(even) .timeline-dot {
    left: 0;
  }

  .timeline-card {
    grid-template-columns: 1fr;
  }
}

/* ====================================================================
   GALLERY
   ==================================================================== */
.gallery {
  background: var(--bg-primary);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-auto-rows: 180px;
  gap: 0.75rem;
}

@media (min-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 200px;
    gap: 1rem;
  }
}

@media (min-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 220px;
  }
}

.gallery-cell {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  transition: transform 0.5s var(--ease-cinema), filter 0.5s var(--ease-cinema);
  padding: 0;
  width: 100%;
  height: 100%;
}

.gallery-cell.span-tall {
  grid-row: span 2;
}

.gallery-cell:hover {
  transform: scale(1.03);
  filter: brightness(1.15);
  z-index: 2;
}

.gallery-cta {
  text-align: center;
  margin-top: 3rem;
}

.ig-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  color: var(--text-secondary);
  font-family: 'Orbitron', sans-serif;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  transition: all 0.3s var(--ease-cinema);
}

.ig-link:hover {
  color: var(--text-primary);
  border-color: var(--accent-red);
  transform: translateY(-2px);
}

/* ====================================================================
   WHAT'S INCLUDED
   ==================================================================== */
.included {
  background: var(--bg-elevated);
}

.included-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .included-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .included-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
  }
}

.included-card {
  padding: 2rem 1.75rem;
  text-align: left;
  transition: transform 0.4s var(--ease-cinema), border-color 0.4s var(--ease-cinema);
}

.included-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 23, 68, 0.3);
}

.included-icon {
  font-size: 2.25rem;
  margin-bottom: 1rem;
  filter: drop-shadow(0 0 12px rgba(255, 23, 68, 0.3));
}

.included-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.included-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ====================================================================
   CARS スライダー
   ==================================================================== */
.cars {
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.cars-watermark {
  position: absolute;
  left: -3vw;
  top: 50%;
  transform: translateY(-50%);
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 900;
  font-size: 35vw;
  color: rgba(255, 255, 255, 0.03);
  pointer-events: none;
  z-index: 0;
  line-height: 1;
}

.cars-slider-wrap {
  position: relative;
  margin-top: 2rem;
}

.cars-slider {
  display: flex;
  gap: 1.25rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 1rem 1.25rem 2rem;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.cars-slider::-webkit-scrollbar { display: none; }

@media (min-width: 768px) {
  .cars-slider {
    padding: 1rem 2rem 2rem;
  }
}

.car-card {
  flex: 0 0 300px;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.4s var(--ease-cinema);
}

.car-card:hover {
  transform: translateY(-4px);
}

.car-image {
  position: relative;
  aspect-ratio: 16 / 10;
  width: 100%;
}

/* 複数画像対応カード (R34など) */
.car-image-multi .car-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.car-image-multi .car-img.is-active {
  opacity: 1;
  pointer-events: auto;
}

.car-img-next {
  position: absolute;
  top: 50%;
  right: 0.75rem;
  transform: translateY(-50%);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.55);
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  font-size: 1.7rem;
  line-height: 1;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 0 0.15rem 0.15rem; /* ‹/› 文字の視覚中心を微調整 */
  z-index: 5;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  transition: background 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

.car-img-next:hover {
  background: var(--accent-red, #ff1744);
  border-color: var(--accent-red, #ff1744);
  transform: translateY(-50%) scale(1.08);
}

.car-img-next:focus-visible {
  outline: 2px solid var(--accent-red, #ff1744);
  outline-offset: 2px;
}

.rarity-badge {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  font-family: 'Orbitron', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.35rem 0.65rem;
  border-radius: 4px;
  z-index: 4;
  text-transform: uppercase;
  background: rgba(0, 0, 0, 0.7);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.rarity-legendary {
  color: var(--accent-gold);
  border: 1px solid var(--accent-gold);
  box-shadow: 0 0 12px rgba(255, 184, 0, 0.4);
}

.rarity-very-rare {
  color: var(--accent-red);
  border: 1px solid var(--accent-red);
}

.rarity-rare {
  color: var(--accent-orange);
  border: 1px solid var(--accent-orange);
}

.rarity-extremely-rare {
  color: var(--accent-red);
  border: 1px solid var(--accent-red);
  box-shadow: 0 0 12px rgba(255, 23, 68, 0.4);
}

.rarity-uncommon {
  color: var(--accent-blue);
  border: 1px solid var(--accent-blue);
}

.rarity-current {
  color: var(--text-muted);
  border: 1px solid var(--text-muted);
}

.rarity-common {
  color: var(--text-muted);
  border: 1px solid var(--text-muted);
}

.car-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
}

.car-name {
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  color: var(--text-primary);
}

.car-sub {
  font-size: 0.78rem;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  margin-top: -0.5rem;
}

.car-specs {
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.75rem 0;
  font-size: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.car-specs > div {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
}

.car-specs dt {
  color: var(--text-muted);
  font-family: 'Orbitron', sans-serif;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.68rem;
}

.car-specs dd {
  color: var(--text-secondary);
  text-align: right;
}

.car-tagline {
  color: var(--accent-blue);
  font-size: 0.85rem;
  line-height: 1.6;
  margin-top: auto;
}

/* スライダー矢印 */
.cars-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(10, 10, 15, 0.85);
  border: 1px solid var(--border-subtle);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  font-size: 1.75rem;
  color: var(--text-primary);
  display: none;
  align-items: center;
  justify-content: center;
  transition: all 0.3s var(--ease-cinema);
}

.cars-arrow:hover {
  background: var(--accent-red);
  border-color: var(--accent-red);
}

.cars-arrow-left { left: 0.5rem; }
.cars-arrow-right { right: 0.5rem; }

@media (min-width: 1024px) {
  .cars-arrow {
    display: flex;
  }
  .cars-arrow-left { left: 1rem; }
  .cars-arrow-right { right: 1rem; }
}

.cars-arrow[disabled] {
  opacity: 0.3;
  pointer-events: none;
}

/* ====================================================================
   YOUR GUIDE
   ==================================================================== */
.guide {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-elevated) 50%, var(--bg-primary) 100%);
}

.guide-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .guide-grid {
    grid-template-columns: 380px 1fr;
    gap: 3.5rem;
    align-items: center;
  }
}

.guide-photo {
  aspect-ratio: 3 / 4;
  max-width: 400px;
  margin: 0 auto;
  width: 100%;
  border-radius: 12px;
}

.guide-name {
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.guide-role {
  font-size: 0.85rem;
  color: var(--accent-red);
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
  font-family: 'Orbitron', sans-serif;
  text-transform: uppercase;
}

.guide-bio {
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.guide-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.guide-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.85rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

/* ====================================================================
   WHY US
   ==================================================================== */
.whyus {
  background: var(--bg-primary);
}

.whyus-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .whyus-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .whyus-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
  }
}

.whyus-card {
  padding: 2rem 1.75rem;
  transition: transform 0.4s var(--ease-cinema), border-color 0.4s var(--ease-cinema);
}

.whyus-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 23, 68, 0.3);
}

.whyus-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  filter: drop-shadow(0 0 12px rgba(255, 23, 68, 0.3));
}

.whyus-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.whyus-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ====================================================================
   DETAILS
   ==================================================================== */
.details {
  background: var(--bg-elevated);
}

.details-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .details-grid {
    grid-template-columns: 1.4fr 1fr;
    gap: 2rem;
  }
}

.details-info {
  padding: 2rem;
}

.details-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.9rem;
}

.details-row:last-child {
  border-bottom: none;
}

.details-row dt {
  color: var(--text-muted);
  font-family: 'Orbitron', sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  align-self: center;
}

.details-row dd {
  color: var(--text-primary);
}

.details-row dd strong {
  color: var(--accent-red);
  font-size: 1.05rem;
  font-weight: 700;
}

.details-bring {
  padding: 2rem;
}

.details-bring-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.details-bring-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.details-bring-list li {
  display: flex;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.details-bring-list li > span:first-child {
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* ====================================================================
   FAQ
   ==================================================================== */
.faq {
  background: var(--bg-primary);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color 0.3s var(--ease-cinema);
}

.faq-item.is-open {
  border-left: 3px solid var(--accent-red);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  text-align: left;
  transition: background 0.3s var(--ease-cinema);
}

.faq-question:hover {
  background: rgba(255, 255, 255, 0.02);
}

.faq-icon {
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--accent-red);
  transition: transform 0.4s var(--ease-cinema);
  flex-shrink: 0;
  line-height: 1;
}

.faq-item.is-open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s var(--ease-cinema);
}

.faq-answer p {
  padding: 0 1.5rem 1.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.85;
}

/* ====================================================================
   BOOKING
   ==================================================================== */
.booking {
  background: linear-gradient(180deg, var(--bg-primary) 0%, #1a0a15 50%, var(--bg-primary) 100%);
}

.booking-steps {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  max-width: 800px;
  margin: 0 auto 3rem;
}

@media (min-width: 768px) {
  .booking-steps {
    flex-direction: row;
    justify-content: space-between;
    gap: 1rem;
    position: relative;
  }

  .booking-steps::before {
    content: '';
    position: absolute;
    top: 24px;
    left: 12%;
    right: 12%;
    height: 1px;
    background: var(--border-subtle);
    z-index: 0;
  }
}

.booking-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  text-align: center;
  position: relative;
  z-index: 1;
  flex: 1;
}

.booking-step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent-red);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  box-shadow: 0 0 0 4px var(--bg-primary), 0 0 20px rgba(255, 23, 68, 0.4);
}

.booking-step-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  max-width: 180px;
}

.booking-trust {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.85rem;
  max-width: 700px;
  margin: 0 auto 2rem;
}

.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.booking-form {
  max-width: 560px;
  margin: 0 auto;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .booking-form {
    padding: 2.5rem;
  }
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-row label {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.form-row input,
.form-row textarea {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 0.85rem 1rem;
  border-radius: 6px;
  font-size: 16px;
  transition: border-color 0.3s var(--ease-cinema), box-shadow 0.3s var(--ease-cinema);
  width: 100%;
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--accent-red);
  box-shadow: 0 0 0 3px rgba(255, 23, 68, 0.15);
}

.form-row textarea {
  resize: vertical;
  min-height: 88px;
  font-family: inherit;
}

.form-hint {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.form-error {
  font-size: 0.78rem;
  color: var(--accent-red);
  display: block;
}

.guest-buttons {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.5rem;
}

.guest-btn {
  padding: 0.85rem 0;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  border-radius: 6px;
  transition: all 0.3s var(--ease-cinema);
  min-height: 48px;
}

.guest-btn:hover {
  border-color: var(--accent-red);
}

.guest-btn.is-active {
  background: var(--accent-red);
  border-color: var(--accent-red);
  color: #fff;
  box-shadow: 0 0 16px rgba(255, 23, 68, 0.4);
}

.price-display {
  margin-top: 0.75rem;
  padding: 0.85rem 1rem;
  background: rgba(255, 23, 68, 0.08);
  border: 1px dashed rgba(255, 23, 68, 0.3);
  border-radius: 6px;
  font-family: 'Orbitron', sans-serif;
  font-size: 0.95rem;
  color: var(--text-primary);
  text-align: center;
  letter-spacing: 0.04em;
}

.form-submit {
  width: 100%;
  margin-top: 0.5rem;
}

.form-success {
  padding: 1rem;
  background: rgba(0, 180, 216, 0.1);
  border: 1px solid rgba(0, 180, 216, 0.3);
  color: var(--accent-blue);
  border-radius: 6px;
  text-align: center;
  font-size: 0.9rem;
}

.booking-notes {
  max-width: 560px;
  margin: 1.5rem auto 0;
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.8;
}

.booking-notes p {
  margin: 0.25rem 0;
}

/* ====================================================================
   FOOTER
   ==================================================================== */
.footer {
  background: var(--bg-deepest);
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--border-subtle);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 3rem;
  }
}

.footer-logo {
  font-family: 'Orbitron', sans-serif;
  font-weight: 900;
  font-size: 1.1rem;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 320px;
}

.footer-col-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-primary);
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-list li {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.footer-list a {
  color: var(--text-secondary);
  transition: color 0.3s var(--ease-cinema);
}

.footer-list a:hover {
  color: var(--accent-red);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-disclaimer {
  font-size: 0.7rem;
  opacity: 0.7;
}

/* ====================================================================
   MOBILE STICKY CTA BAR
   ==================================================================== */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  background: rgba(10, 10, 15, 0.95);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border-subtle);
  transform: translateY(100%);
  transition: transform 0.4s var(--ease-cinema);
}

.sticky-cta.is-visible {
  transform: translateY(0);
}

.sticky-cta-info {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.sticky-cta-price {
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--accent-red);
}

.sticky-cta-duration {
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.sticky-cta-btn {
  padding: 0.85rem 1.25rem;
  font-size: 0.8rem;
  min-height: 48px;
}

@media (max-width: 767px) {
  .sticky-cta { display: flex; }
  body { padding-bottom: 80px; }
}

/* ====================================================================
   LIGHTBOX
   ==================================================================== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(5, 5, 10, 0.95);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease-cinema);
}

.lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-content {
  width: 100%;
  max-width: 900px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.lightbox-img {
  aspect-ratio: 4 / 3;
  width: 100%;
  border-radius: 12px;
}

.lightbox-caption {
  text-align: center;
  font-family: 'Orbitron', sans-serif;
  font-size: 0.85rem;
  color: var(--text-secondary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-subtle);
  font-size: 1.75rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s var(--ease-cinema);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  background: var(--accent-red);
  border-color: var(--accent-red);
}

.lightbox-close {
  top: 1.5rem;
  right: 1.5rem;
}

.lightbox-prev {
  left: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-next {
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
}

/* ====================================================================
   prefers-reduced-motion 全アニメ無効
   ==================================================================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }

  .hero-info-strip,
  .hero-subtitle,
  .hero-title,
  .hero-catchcopy,
  .hero-cta,
  .scroll-indicator {
    opacity: 1 !important;
    animation: none !important;
  }
}