:root {
  color-scheme: dark;
  --bg-primary: #0c1320;
  --bg-secondary: #161e30;
  --bg-hover: #1f2840;
  --accent: #b0a18b;
  --accent-highlight: #e8d9b0;
  --accent-alert: #c8454f;
  --text-primary: #c9ccd1;
  --text-secondary: #7a8294;
  --border-default: #2a3147;
  --border-divider: #1a2236;
  --shadow-card: 0 24px 60px rgba(0, 0, 0, 0.5);
  --shadow-chip: 0 0 12px rgba(184, 153, 104, 0.25);
  --font-serif: "Cormorant Garamond", "EB Garamond", "Noto Serif JP", serif;
  --font-sans: "Inter", "Noto Sans JP", system-ui, sans-serif;
  --font-display: "Cinzel", "Cormorant Garamond", serif;
  --font-numeral: "Noto Serif JP", serif;
}

* {
  box-sizing: border-box;
}

:focus-visible {
  outline: 2px solid var(--accent-highlight);
  outline-offset: 3px;
  box-shadow: 0 0 0 4px rgba(184, 153, 104, 0.18);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 400;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(12, 19, 32, 0) 0%, rgba(12, 19, 32, 0.94) 72%),
    repeating-linear-gradient(90deg, rgba(201, 204, 209, 0.018) 0 1px, transparent 1px 120px);
  opacity: 0.8;
}

a {
  color: inherit;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 14px;
  left: 14px;
  z-index: 100;
  min-height: 44px;
  border: 1px solid var(--accent);
  background: var(--bg-secondary);
  padding: 12px 16px;
  color: var(--accent-highlight);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-decoration: none;
  text-transform: uppercase;
  transform: translateY(calc(-100% - 20px));
  transition: transform 160ms ease;
}

.skip-link:focus-visible {
  transform: translateY(0);
}

main {
  position: relative;
  z-index: 1;
  padding: 0 clamp(18px, 5vw, 104px) 80px;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(290px, 380px);
  gap: clamp(32px, 6vw, 76px);
  align-items: end;
  min-height: 520px;
  max-width: 1160px;
  margin: 0 auto 84px;
  padding: 72px 0 76px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0 calc(clamp(18px, 5vw, 104px) * -1) auto;
  height: 100%;
  z-index: -2;
  background:
    radial-gradient(circle at 78% 18%, #3a4258 0%, rgba(12, 19, 32, 0.95) 55%),
    var(--bg-primary);
  box-shadow: 0 0 120px rgba(184, 153, 104, 0.18);
}

.hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 30px;
  left: 0;
  height: 54px;
  pointer-events: none;
  background:
    url("data:image/svg+xml,%3Csvg width='1160' height='54' viewBox='0 0 1160 54' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 37C134 16 201 16 336 37C470 58 537 58 672 37C806 16 873 16 1008 37C1070 47 1115 48 1160 43' stroke='%23b89968' stroke-width='1'/%3E%3C/svg%3E")
    center / 100% 54px no-repeat;
  opacity: 0.15;
}

.hero-copy {
  max-width: 780px;
}

.kicker {
  margin-bottom: 10px;
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  line-height: 1.6;
  text-transform: uppercase;
}

.hero h1 {
  margin-bottom: 8px;
  color: var(--text-primary);
  font-family: var(--font-serif);
  font-size: clamp(48px, 8.7vw, 96px);
  font-weight: 300;
  letter-spacing: 0.04em;
  line-height: 0.96;
}

.hero-title-main,
.hero-title-sub {
  display: block;
}

.hero-title-sub {
  font-size: 0.45em;
  line-height: 1;
}

.subtitle {
  margin-bottom: 28px;
  color: var(--text-secondary);
  font-family: var(--font-display);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.subtitle span {
  display: block;
}

.subtitle-main {
  font-size: clamp(35px, 4.1vw, 46px);
  line-height: 1.2;
}

.subtitle-sub {
  font-size: clamp(30px, 3.45vw, 39px);
  line-height: 1.25;
}

.hero-note {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 2;
}

.official-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: 24px;
}

.official-links a {
  min-height: 44px;
  border: 1px solid var(--border-default);
  background: rgba(255, 255, 255, 0.02);
  padding: 14px 12px;
  color: var(--text-primary);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
}

.official-links span {
  min-height: 34px;
  border: 1px solid var(--border-default);
  background: rgba(255, 255, 255, 0.02);
  padding: 9px 12px;
  color: var(--text-primary);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
}

.official-links span {
  border-color: transparent;
  background: transparent;
  padding-left: 0;
  color: var(--accent);
}

.official-links a:hover {
  border-color: var(--accent);
  background: rgba(184, 153, 104, 0.08);
  color: var(--accent-highlight);
}

.tour-panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.tour-panel div {
  display: grid;
  grid-template-rows: 1.5rem 5rem;
  gap: 10px;
  align-content: start;
  padding: 28px 18px 24px;
  text-align: center;
}

.metric {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-family: var(--font-numeral);
  font-size: 3.5rem;
  font-weight: 300;
  line-height: 0.9;
  min-height: 5rem;
}

.metric-period {
  display: grid;
  gap: 4px;
  align-content: center;
  justify-items: center;
  font-size: clamp(1.25rem, 1.65vw, 1.625rem);
  line-height: 1.15;
}

.period-separator {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1;
}

.label {
  color: var(--text-secondary);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.tour-panel .label {
  display: flex;
  align-items: end;
  justify-content: center;
  font-size: 1rem;
  letter-spacing: 0.18em;
  min-height: 1.5rem;
}

.controls {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  gap: 16px;
  max-width: 1160px;
  margin: 0 auto 32px;
  padding: 18px 0 20px;
  border-bottom: 1px solid var(--border-divider);
  background: rgba(12, 19, 32, 0.9);
  backdrop-filter: blur(18px);
}

.controls h2 {
  margin: 0;
  color: var(--text-primary);
  font-family: var(--font-serif);
  font-size: clamp(34px, 5vw, 56px);
  font-weight: 300;
  letter-spacing: 0.04em;
  line-height: 1;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  min-height: 44px;
  border: 1px solid var(--border-default);
  border-radius: 0;
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
  padding: 0 15px;
  font: inherit;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.chip:hover {
  background: var(--bg-hover);
}

.chip.active {
  border-color: var(--accent);
  background: rgba(184, 153, 104, 0.08);
  color: var(--accent-highlight);
  box-shadow: var(--shadow-chip);
}

.pref-filter {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  width: max-content;
}

.pref-filter span {
  color: var(--accent);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.pref-filter select {
  min-width: 190px;
  min-height: 44px;
  border: 1px solid var(--border-default);
  border-radius: 0;
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
  padding: 0 34px 0 12px;
  font: inherit;
  font-size: 0.8125rem;
  font-weight: 700;
}

.layout {
  max-width: 1160px;
  margin: 0 auto;
}

.notice {
  margin: 0 0 14px;
  color: var(--text-secondary);
  font-size: 0.75rem;
  line-height: 1.7;
}

.cards {
  display: grid;
  gap: 28px;
}

.card {
  border: 1px solid var(--border-default);
  background: var(--bg-secondary);
  box-shadow: var(--shadow-card);
}

.deferred-card {
  content-visibility: auto;
  contain-intrinsic-size: 360px;
}

.card.next {
  border-color: var(--accent);
  box-shadow: var(--shadow-card), 0 0 24px rgba(184, 153, 104, 0.15);
}

.card-main {
  padding: 28px clamp(22px, 4vw, 44px);
}

.venue-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 16px;
}

.pref,
.show-count,
.next-label {
  border: 1px solid var(--border-default);
  padding: 6px 10px;
  color: var(--text-secondary);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1;
}

.next-label {
  border-color: var(--accent-alert);
  color: var(--accent-alert);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.venue {
  margin-bottom: 22px;
  color: var(--text-primary);
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 300;
  letter-spacing: 0.04em;
  line-height: 1.28;
}

.date-block {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
  margin: 0 0 14px;
  padding: 14px 0;
  border-top: 1px solid var(--border-divider);
  border-bottom: 1px solid var(--border-divider);
  list-style: none;
}

.date-item {
  display: grid;
  gap: 6px;
  min-width: 0;
  padding: 0;
}

.date-item strong {
  color: var(--accent);
  font-family: var(--font-numeral);
  font-weight: 300;
  letter-spacing: 0.04em;
}

.date-item time {
  display: inline-flex;
  gap: 10px;
  align-items: baseline;
  color: inherit;
  font: inherit;
  letter-spacing: inherit;
}

.date-main {
  font-size: 1.75rem;
  line-height: 1;
}

.date-weekday {
  color: var(--text-secondary);
  font-family: var(--font-display);
  font-size: 0.8125rem;
  letter-spacing: 0.18em;
}

.date-item > span,
.shared-time {
  color: var(--text-secondary);
  font-size: 0.8125rem;
  line-height: 1.8;
}

.shared-time {
  margin: 0 0 18px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.card a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border: 1px solid var(--border-default);
  background: rgba(255, 255, 255, 0.02);
  padding: 0 16px;
  color: var(--text-primary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-decoration: none;
  text-transform: uppercase;
}

.actions a:first-child,
.map-search-actions a {
  border-color: var(--accent);
  background: transparent;
  color: var(--accent);
}

.card a:hover {
  border-color: var(--accent);
  background: rgba(184, 153, 104, 0.08);
  color: var(--accent-highlight);
}

.detail-panel {
  border-top: 1px solid var(--border-divider);
  padding-top: 14px;
}

.detail-panel summary {
  display: inline-flex;
  align-items: center;
  width: max-content;
  min-height: 44px;
  cursor: pointer;
  color: var(--accent);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  list-style: none;
}

.detail-panel summary::-webkit-details-marker {
  display: none;
}

.detail-panel summary::after {
  content: "+";
  margin-left: 8px;
}

.detail-panel[open] summary::after {
  content: "-";
}

.detail-content {
  display: grid;
  gap: 14px;
  margin-top: 14px;
}

.detail-content h4 {
  margin: 0 0 8px;
  color: var(--text-primary);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.detail-content p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.8125rem;
  line-height: 1.75;
}

.inquiry-note,
.map-search {
  border: 1px solid var(--border-default);
  padding: 14px;
  background: rgba(255, 255, 255, 0.02);
}

.inquiry-list {
  display: grid;
  gap: 8px;
  margin: 0;
}

.inquiry-list div {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 10px;
}

.inquiry-list dt,
.inquiry-list dd {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.55;
}

.inquiry-list dt {
  color: var(--text-secondary);
}

.inquiry-list dd {
  color: var(--text-primary);
  font-weight: 700;
  overflow-wrap: anywhere;
}

.inquiry-list dd a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  border: 0;
  padding: 0;
  color: var(--accent);
  font-size: inherit;
  letter-spacing: 0;
  text-decoration: underline;
  text-transform: none;
  text-underline-offset: 3px;
}

.inquiry-note-text {
  margin: 10px 0 0;
  color: var(--text-secondary);
  font-size: 0.75rem;
  line-height: 1.65;
}

.map-search-actions {
  display: flex;
  flex-wrap: nowrap;
  gap: 10px;
}

.map-search-actions a {
  flex: 1 1 0;
  min-width: 0;
  min-height: 44px;
  padding: 0 13px;
}

footer {
  position: relative;
  z-index: 1;
  padding: 28px clamp(18px, 5vw, 104px) 40px;
  border-top: 1px solid var(--border-divider);
  color: var(--text-secondary);
  font-size: 0.75rem;
  line-height: 1.9;
  text-align: center;
}

footer a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--accent);
  text-underline-offset: 3px;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }
}

@media (max-width: 560px) {
  main {
    padding: 0 18px 52px;
  }

  .hero {
    gap: 28px;
    margin-bottom: 44px;
    padding: 44px 0 54px;
  }

  .hero::before {
    inset-inline: -18px;
  }

  .kicker {
    margin-bottom: 6px;
    font-size: 0.70rem;
    letter-spacing: 0.20em;
  }

  .hero h1 {
    margin-bottom: 8px;
    font-size: clamp(43px, 14vw, 60px);
    line-height: 1.03;
  }

  .subtitle {
    margin-bottom: 30px;
  }

  .subtitle-main {
    font-size: 1.875rem;
    line-height: 1.25;
  }

  .subtitle-sub {
    font-size: 1.625rem;
    line-height: 1.3;
  }

  .hero-note {
    font-size: 0.8125rem;
    line-height: 1.85;
  }

  .official-links {
    margin-top: 16px;
  }

  .official-links a {
    min-height: 44px;
    padding: 14px 9px;
    font-size: 0.625rem;
    letter-spacing: 0.08em;
  }

  .official-links span {
    min-height: 32px;
    padding: 8px 9px;
    font-size: 0.625rem;
    letter-spacing: 0.08em;
  }

  .tour-panel div {
    grid-template-rows: 1.2rem 4.2rem;
    gap: 8px;
    padding: 18px 10px 16px;
  }

  .metric {
    margin-bottom: 0;
    font-size: 2.75rem;
    min-height: 4.2rem;
  }

  .metric-period {
    font-size: 1rem;
    line-height: 1.35;
  }

  .period-separator {
    font-size: 0.75rem;
  }

  .label {
    font-size: 0.625rem;
    letter-spacing: 0.08em;
  }

  .tour-panel .label {
    font-size: 0.75rem;
    letter-spacing: 0.12em;
  }

  .controls {
    gap: 12px;
    margin-inline: -18px;
    margin-bottom: 20px;
    padding: 14px 18px 16px;
  }

  .controls h2 {
    font-size: 2.125rem;
  }

  .chips {
    flex-wrap: nowrap;
    gap: 7px;
    margin-inline: -18px;
    overflow-x: auto;
    padding: 0 18px 4px;
    scrollbar-width: none;
  }

  .chips::-webkit-scrollbar {
    display: none;
  }

  .chip {
    flex: 0 0 auto;
    min-width: 58px;
    min-height: 44px;
    padding-inline: 12px;
  }

  .pref-filter {
    width: 100%;
  }

  .pref-filter select {
    min-width: 0;
    width: min(220px, 100%);
  }

  .cards {
    gap: 18px;
  }

  .card-main {
    padding: 22px 18px;
  }

  .venue {
    margin-bottom: 14px;
    font-size: 1.6rem;
  }

  .date-block {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 12px 0;
  }

  .date-item {
    gap: 4px;
  }

  .date-main {
    font-size: 1.5rem;
  }

  .date-weekday {
    font-size: 0.75rem;
  }

  .map-search-actions {
    gap: 8px;
  }

  .map-search-actions a {
    flex-basis: 0;
    padding: 0 8px;
  }
}