/* ========================================
   Transition Bridge + WANKO Teaser (index.html)
   Scoped custom properties — no :root collision
   ======================================== */

.transition-bridge {
  --showcase-bg: #0a0a0a;
  --bridge-text: #d4c5a9;
  --bridge-cream: #f5ebe0;
  --bridge-gray: #969690;
  --bridge-gold: #c9a961;
  --font-display: 'Cormorant Garamond', serif;
  --font-body-jp: 'Noto Serif JP', serif;

  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(60px, 10vw, 100px) 20px;
  background: linear-gradient(180deg, #0a0a0a 0%, #2a1f1a 40%, #6b5544 70%, #969690 100%);
  color: var(--bridge-text);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1.2s ease-out, transform 1.2s ease-out;
}

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

.transition-bridge__inner {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.transition-bridge__door {
  display: flex;
  justify-content: center;
  margin-bottom: clamp(24px, 4vw, 40px);
  animation: bridgeDoorGlow 4s ease-in-out infinite;
}

.transition-bridge__door img {
  width: clamp(120px, 18vw, 180px);
  height: auto;
}

@keyframes bridgeDoorGlow {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

.transition-bridge__whisper-fr {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  letter-spacing: 0.1em;
  line-height: 1.6;
  margin-bottom: clamp(20px, 3vw, 32px);
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.25);
}

.transition-bridge__whisper-ja {
  font-family: var(--font-body-jp);
  font-weight: 300;
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  line-height: 2.2;
  letter-spacing: 0.12em;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.2);
}

/* ===== WANKO Teaser ===== */

.wanko-teaser {
  --teaser-bg: #969690;
  --teaser-text: #ffffff;
  --font-display: 'Cormorant Garamond', serif;
  --font-body-jp: 'Noto Serif JP', serif;

  background: var(--teaser-bg);
  padding: clamp(64px, 10vw, 120px) 20px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1.2s ease-out, transform 1.2s ease-out;
}

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

.wanko-teaser__inner {
  max-width: 420px;
  margin: 0 auto;
  text-align: center;
}

.wanko-teaser__poster-link {
  display: block;
  margin-bottom: clamp(24px, 4vw, 32px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.wanko-teaser__poster-link:hover {
  opacity: 0.92;
  transform: translateY(-2px);
}

.wanko-teaser__poster {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 2px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.wanko-teaser__cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: clamp(0.9rem, 1.2vw, 1rem);
  letter-spacing: 0.12em;
  color: var(--teaser-text);
  text-decoration: none;
  position: relative;
  padding-bottom: 4px;
  transition: opacity 0.3s ease;
}

.wanko-teaser__cta::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--teaser-text);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.wanko-teaser__cta:hover {
  opacity: 0.85;
}

.wanko-teaser__cta:hover::after {
  transform: scaleX(1);
}

.wanko-teaser__cta .arrow {
  display: inline-block;
  transition: transform 0.3s ease;
}

.wanko-teaser__cta:hover .arrow {
  transform: translateX(8px);
}

@media (max-width: 768px) {
  .transition-bridge {
    min-height: 50vh;
  }

  .wanko-teaser {
    padding: clamp(64px, 14vw, 100px) 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .transition-bridge,
  .wanko-teaser {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .transition-bridge__door {
    animation: none;
    opacity: 1;
  }

  .wanko-teaser__cta::after,
  .wanko-teaser__cta .arrow,
  .wanko-teaser__poster-link {
    transition: none;
  }

  .wanko-teaser__poster-link:hover {
    transform: none;
  }

  .wanko-teaser__cta:hover .arrow {
    transform: none;
  }
}