/* =============================================
   Leaf Ecology — index.css(トップページ専用)
   「深夜の裏路地」— 路地の入り口 → 三つの扉 → 店主の卓
   ============================================= */

/* ══════════════════════════════
   HERO — 路地の入り口
══════════════════════════════ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  padding: 0 3rem 4.5rem;
  overflow: hidden;
  isolation: isolate;
}

.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg-fallback {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, #0E1A15 0%, var(--night) 75%),
    radial-gradient(ellipse at 50% 80%, var(--neon-dim), transparent 60%),
    radial-gradient(circle at 22% 30%, var(--lantern-dim), transparent 50%);
}
.hero-bg-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 1;
}
.hero-scrim {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg,
    rgba(6,11,9,0.15) 0%,
    rgba(6,11,9,0.55) 60%,
    rgba(6,11,9,0.92) 100%);
}

.hero-content {
  position: relative; z-index: 2;
  max-width: 640px;
  display: flex; flex-direction: column;
  gap: 1.1rem;
}
.hero-title {
  font-family: var(--font-serif-en);
  font-weight: 400;
  font-size: clamp(3rem, 8vw, 6.5rem);
  line-height: 0.98;
  color: var(--steam);
}
.hero-tagline {
  font-family: var(--font-serif-jp);
  font-weight: 500;
  font-size: clamp(0.95rem, 1.6vw, 1.05rem);
  letter-spacing: 0.08em;
  line-height: 1.9;
  color: var(--mist);
  max-width: 38ch;
}
.hero-cta {
  display: inline-flex; align-items: center; gap: 0.6rem;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.78rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--night-deep);
  background: var(--lantern);
  text-decoration: none;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-pill);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(240,160,75,0.25);
}

/* ══════════════════════════════
   THE ROOMS — 三つの扉
══════════════════════════════ */
.rooms {
  max-width: 1200px;
  margin: 0 auto;
  padding: 6rem 2rem 5rem;
}
.section-head { margin-bottom: 2.75rem; }

.room-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.25rem;
  align-items: stretch;
}
.room-stack {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.room-door {
  position: relative;
  display: flex;
  min-height: 460px;
  border-radius: var(--radius-card);
  border: 1px solid var(--line);
  overflow: hidden;
  text-decoration: none;
  color: var(--steam);
  transition: border-color 0.3s ease;
}
.room-stack .room-door { min-height: unset; flex: 1; }

.room-door-media { position: absolute; inset: 0; z-index: 0; }
.room-door-fallback { position: absolute; inset: 0; }
.room-door-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 1;
  transition: transform 0.5s ease;
}
.room-door-scrim {
  position: absolute; inset: 0; z-index: 2;
  background: linear-gradient(180deg, rgba(6,11,9,0) 30%, rgba(6,11,9,0.88) 92%);
}

/* 扉メディア内の演出レイヤー(湯気)はスクリムより手前 */
.room-door-media .steam { z-index: 3; }
.room-locked .room-door-scrim {
  background: linear-gradient(180deg, rgba(6,11,9,0.35) 0%, rgba(6,11,9,0.92) 92%);
}

/* 部屋ごとのフォールバック配色 */
.room-ramen .room-door-fallback {
  background:
    radial-gradient(ellipse at 50% 100%, var(--lantern-dim), transparent 60%),
    linear-gradient(160deg, #16241C 0%, #0A1210 100%);
}
.room-poker .room-door-fallback {
  background:
    radial-gradient(circle at 70% 20%, var(--neon-dim), transparent 55%),
    linear-gradient(160deg, #12201B 0%, #060B09 100%);
}
.room-race .room-door-fallback {
  background:
    radial-gradient(circle at 30% 25%, var(--lantern-dim), transparent 50%),
    linear-gradient(160deg, #12201B 0%, #060B09 100%);
}

.room-door-content {
  position: relative; z-index: 3;
  margin-top: auto;
  padding: 1.75rem;
  display: flex; flex-direction: column; gap: 0.6rem;
  width: 100%;
}
.room-stack .room-door-content { padding: 1.25rem 1.5rem; gap: 0.4rem; }

.room-status {
  display: inline-flex; align-items: center; gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.68rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.16em;
}
.status-open   { color: var(--neon); }
.status-locked { color: var(--mist); }

.room-door-heading {
  display: flex; align-items: baseline; gap: 0.75rem; flex-wrap: wrap;
}
.room-code {
  font-family: var(--font-serif-en);
  font-size: clamp(1.6rem, 3.2vw, 2.6rem);
  letter-spacing: 0.04em;
  color: var(--steam);
}
/* 開放中の扉の看板グロー・明滅は共通部品 .neon-sign(style.css)が担う */
.room-stack .room-code { font-size: clamp(1.3rem, 2.2vw, 1.8rem); }

.room-sub {
  font-family: var(--font-serif-jp);
  font-size: 0.95rem;
  color: var(--mist);
  letter-spacing: 0.08em;
}

.room-desc {
  font-size: 0.82rem;
  line-height: 1.8;
  color: var(--mist);
  max-width: 32ch;
}
.room-stack .room-desc { font-size: 0.76rem; }
.room-locked .room-desc { color: rgba(134,152,141,0.7); }

.room-cta {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.76rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.16em;
  color: var(--lantern);
  margin-top: 0.4rem;
}

.room-open:hover { border-color: rgba(240,160,75,0.5); }
.room-open:hover .room-door-img { transform: scale(1.04); }

/* ══════════════════════════════
   OWNER — 店主の卓
══════════════════════════════ */
.owner {
  border-top: 1px solid var(--line);
  padding: 7rem 2rem;
  text-align: center;
  background: radial-gradient(ellipse 60% 50% at 50% 0%, var(--lantern-dim), transparent);
}
.owner-inner { max-width: 640px; margin: 0 auto; }
.owner-quote {
  font-family: var(--font-serif-jp);
  font-weight: 600;
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  letter-spacing: 0.22em;
  color: var(--steam);
  margin-bottom: 2rem;
}
.owner-body {
  font-family: var(--font-serif-jp);
  font-weight: 500;
  font-size: 0.92rem;
  letter-spacing: 0.1em;
  line-height: 2.4;
  color: var(--mist);
}
.owner-rule {
  width: 72px; height: 1px;
  margin: 3rem auto 0;
  background: linear-gradient(to right, transparent, var(--lantern), transparent);
}

/* ══════════════════════════════
   RESPONSIVE
══════════════════════════════ */
@media (max-width: 900px) {
  .hero { padding: 0 1.5rem 3rem; }

  .room-grid { grid-template-columns: 1fr; }
  .room-door { min-height: 320px; }
  .room-stack .room-door { min-height: 220px; }
}

@media (max-width: 480px) {
  .rooms { padding: 4rem 1.25rem 3.5rem; }
  .owner { padding: 5rem 1.5rem; }
}