:root {
  --bg: #111414;
  --bg-soft: #1b2221;
  --gold: #d3b47a;
  --gold-soft: #f1e2bd;
  --cream: #f5efe4;
  --ink: #f3eee8;
  --muted: #b8afa1;
  --red: #7a2d26;
  --line: rgba(211, 180, 122, 0.18);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top, rgba(211, 180, 122, 0.08), transparent 24%),
    linear-gradient(180deg, #151919 0%, #0f1111 100%);
  color: var(--ink);
  font-family: "Noto Sans JP", sans-serif;
}

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

.page-frame {
  width: min(1200px, calc(100% - 24px));
  margin: 0 auto;
  padding: 16px 0 28px;
}

.hero,
.band-inner,
.poster,
.call-box,
.site-footer {
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero {
  padding: 24px;
  border-radius: 34px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(0, 0, 0, 0.15)),
    linear-gradient(135deg, rgba(122, 45, 38, 0.18), rgba(27, 34, 33, 0.92) 50%);
}

.hero-top,
.hero-main,
.band-inner,
.site-footer {
  display: flex;
  align-items: center;
}

.hero-top {
  justify-content: space-between;
  gap: 18px;
}

.logo-kana,
.hero-lead,
.poster-label,
.call-small {
  margin: 0;
  color: var(--gold-soft);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.72rem;
}

h1,
h2,
.call-number,
.menu-lines strong {
  font-family: "Zen Old Mincho", serif;
}

h1 {
  margin: 8px 0 0;
  font-size: clamp(3.4rem, 10vw, 6.5rem);
  line-height: 0.95;
  color: var(--cream);
}

.hero-call {
  padding: 14px 22px;
  border-radius: 999px;
  color: #1a1610;
  background: linear-gradient(180deg, var(--gold) 0%, #b08a4d 100%);
  font-weight: 800;
}

.hero-main {
  gap: 26px;
  margin-top: 20px;
}

.hero-copy,
.hero-art {
  flex: 1;
}

.hero-lead {
  color: var(--cream);
  font-size: 1.1rem;
  line-height: 1.9;
  letter-spacing: 0.04em;
  text-transform: none;
}

.hero-points {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.hero-points li {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(211, 180, 122, 0.12);
}

.hero-art {
  position: relative;
  min-height: 420px;
  overflow: hidden;
  border-radius: 28px;
  background:
    radial-gradient(circle at 70% 22%, rgba(243, 238, 232, 0.08), transparent 16%),
    linear-gradient(180deg, #252b2a 0%, #131717 100%);
}

.moon,
.hill,
.room-glow {
  position: absolute;
  display: block;
}

.moon {
  top: 44px;
  right: 54px;
  width: 82px;
  height: 82px;
  border-radius: 50%;
  background: radial-gradient(circle, #fff8e8 0%, #dfc48c 72%);
  box-shadow: 0 0 30px rgba(243, 226, 188, 0.5);
}

.hill {
  left: 0;
  right: 0;
  border-radius: 50% 50% 0 0;
}

.hill-back {
  bottom: 90px;
  height: 180px;
  background: linear-gradient(180deg, #3a4a41 0%, #27342e 100%);
}

.hill-front {
  bottom: -10px;
  height: 220px;
  background: linear-gradient(180deg, #1e2824 0%, #121816 100%);
}

.room-glow {
  left: 50%;
  bottom: 74px;
  width: 120px;
  height: 120px;
  transform: translateX(-50%);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(241, 226, 189, 0.9), rgba(211, 180, 122, 0.7));
  box-shadow: 0 0 44px rgba(241, 226, 189, 0.4);
}

.band {
  margin-top: 18px;
}

.band-inner {
  justify-content: space-between;
  gap: 20px;
  padding: 18px 22px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.04);
}

.band-title {
  margin: 0;
  color: var(--gold-soft);
  font-family: "Space Grotesk", sans-serif;
  font-size: 1rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.band-text {
  margin: 0;
  max-width: 760px;
  line-height: 1.9;
  color: var(--muted);
}

.poster-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 18px;
}

.poster {
  padding: 24px;
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(0, 0, 0, 0.12)),
    rgba(27, 34, 33, 0.96);
}

.poster-b {
  grid-row: span 2;
}

.poster-c {
  background:
    linear-gradient(135deg, rgba(122, 45, 38, 0.22), rgba(27, 34, 33, 0.94)),
    rgba(27, 34, 33, 0.96);
}

.menu-lines {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.menu-lines div,
.info-list p {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(211, 180, 122, 0.12);
}

.menu-lines div:last-child,
.info-list p:last-child {
  border-bottom: 0;
}

.menu-lines strong {
  color: var(--gold-soft);
  font-size: 1.4rem;
}

.poster-note {
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.8;
}

.guide-flow {
  margin: 20px 0 0;
  padding-left: 20px;
  line-height: 2.1;
}

.info-list {
  margin-top: 20px;
}

.info-list p {
  margin: 0;
  color: var(--ink);
}

.call-section {
  margin-top: 22px;
}

.call-box {
  padding: 30px 24px;
  border-radius: 32px;
  text-align: center;
  background:
    linear-gradient(135deg, rgba(211, 180, 122, 0.16), rgba(27, 34, 33, 0.92)),
    rgba(27, 34, 33, 0.96);
}

h2 {
  margin: 8px 0 14px;
  font-size: clamp(2rem, 5vw, 3.3rem);
}

.call-text {
  margin: 0;
  color: var(--muted);
  line-height: 1.9;
}

.call-number {
  display: inline-flex;
  margin-top: 18px;
  padding: 18px 28px;
  border-radius: 999px;
  color: #1a1610;
  background: linear-gradient(180deg, var(--gold) 0%, #b08a4d 100%);
  font-size: 1.6rem;
  font-weight: 700;
}

.site-footer {
  justify-content: space-between;
  gap: 14px;
  margin-top: 22px;
  padding: 20px 24px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  font-size: 0.84rem;
}

@media (max-width: 900px) {
  .hero-main,
  .band-inner,
  .site-footer {
    flex-direction: column;
  }

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

  .poster-b {
    grid-row: auto;
  }
}

@media (max-width: 640px) {
  .page-frame {
    width: min(100% - 18px, 1200px);
    padding-top: 10px;
  }

  .hero,
  .band-inner,
  .poster,
  .call-box,
  .site-footer {
    border-radius: 20px;
  }

  .hero {
    padding: 18px;
  }

  .hero-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-call,
  .call-number {
    width: 100%;
  }

  .hero-art {
    min-height: 260px;
  }

  .band-inner,
  .site-footer {
    align-items: flex-start;
  }

  h1 {
    font-size: 2.9rem;
  }

  .menu-lines div,
  .info-list p {
    flex-direction: column;
    align-items: flex-start;
  }
}