/* Hallmark · macrostructure: Full-scene reception ledger · tone: tactile midnight ryokan · anchor hue: warm-gold
 * critique: P5 H5 E4 S5 R4 V5 · contrast: pass (40–41) · nav: centered-crest split · footer: compact ledger
 * honest: pass (46) · chrome: pass (47) · tokens: pass (48) · mobile: pass (34, 49, 50–57)
 */
@import url("tokens.css");

*, *::before, *::after { box-sizing: border-box; }
html, body { overflow-x: clip; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--space-header) + var(--space-md)); }
body {
  margin: 0;
  color: var(--color-paper);
  background: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.75;
}
body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  content: "";
  opacity: 0.14;
  background-image: repeating-linear-gradient(112deg, var(--color-paper-faint) 0 1px, var(--color-paper-clear) 1px 12px);
  pointer-events: none;
}
a { color: inherit; }
img { display: block; max-width: 100%; height: auto; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
:focus-visible { outline: var(--rule-thick) solid var(--color-focus); outline-offset: 4px; }
.skip-link { position: fixed; top: var(--space-sm); left: var(--space-sm); z-index: 100; transform: translateY(-160%); background: var(--color-paper); color: var(--color-ink); padding: var(--space-sm) var(--space-md); }
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: var(--space-lg);
  min-height: var(--space-header);
  padding: 0 var(--space-xl);
  border-bottom: var(--rule-thin) solid var(--color-gold-line);
  background: var(--color-ink);
}
.brand { grid-column: 2; grid-row: 1; display: inline-flex; align-items: center; gap: var(--space-sm); text-decoration: none; white-space: nowrap; }
.brand img { width: 2rem; height: 2rem; }
.brand span { font-family: var(--font-display); font-weight: 700; letter-spacing: 0.08em; }
.site-nav { grid-column: 1; grid-row: 1; display: flex; align-items: center; justify-content: flex-start; gap: clamp(var(--space-xs), 2vw, var(--space-xl)); }
.header-cta { grid-column: 3; grid-row: 1; justify-self: end; }
.site-nav a, .footer-links a { position: relative; text-decoration: none; white-space: nowrap; font-size: var(--text-sm); }
.site-nav a::after, .footer-links a::after { position: absolute; right: 0; bottom: -0.35rem; left: 0; height: var(--rule-thin); content: ""; background: var(--color-gold); transform: scaleX(0); transform-origin: left; transition: transform var(--dur-fast) var(--ease-out); }
.site-nav a:hover::after, .site-nav a:focus-visible::after, .footer-links a:hover::after, .footer-links a:focus-visible::after { transform: scaleX(1); }
.nav-toggle { display: none; border: var(--rule-thin) solid var(--color-gold-line); color: var(--color-paper); background: var(--color-ink); padding: var(--space-xs) var(--space-sm); }

.btn {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  border: var(--rule-thick) solid var(--color-gold);
  border-radius: var(--radius-sm);
  padding: var(--space-button-y) var(--space-button-x);
  color: var(--color-accent-ink);
  background: var(--color-accent);
  box-shadow: var(--space-xs) var(--space-xs) 0 var(--color-wine-deep);
  font-weight: 800;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}
.btn:hover, .btn.is-hover { box-shadow: var(--space-sm) var(--space-sm) 0 var(--color-wine-deep); }
.btn:active, .btn.is-active { transform: translate(var(--space-2xs), var(--space-2xs)); box-shadow: var(--space-2xs) var(--space-2xs) 0 var(--color-wine-deep); }
.btn:focus-visible, .btn.is-focus { outline: var(--rule-thick) solid var(--color-focus); outline-offset: 4px; }
.btn[aria-disabled="true"], .btn.is-disabled { opacity: 0.46; pointer-events: none; }
.btn[data-state="loading"] { cursor: wait; }
.btn[data-state="error"] { border-color: var(--color-error); background: var(--color-error); color: var(--color-paper); }
.btn[data-state="success"] { border-color: var(--color-success); background: var(--color-success); color: var(--color-paper); }
.btn--quiet { color: var(--color-paper); background: var(--color-ink); box-shadow: var(--space-xs) var(--space-xs) 0 var(--color-gold-deep); }
.btn--small { min-height: 2.5rem; padding: 0.6rem 0.9rem; font-size: var(--text-sm); }

.hero {
  position: relative;
  min-height: min(86vh, 850px);
  display: grid;
  align-items: end;
  isolation: isolate;
  overflow: clip;
  border-bottom: var(--rule-thick) solid var(--color-gold);
}
.hero__image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 49% 45%; z-index: -3; }
.hero::after { position: absolute; inset: 0; z-index: -2; content: ""; background: linear-gradient(90deg, var(--color-overlay) 0 44%, var(--color-overlay-clear) 78%), linear-gradient(0deg, var(--color-ink) 0%, var(--color-overlay-clear) 58%); }
.hero__steam, .hero__steam::before, .hero__steam::after { position: absolute; border: var(--rule-thin) solid var(--color-paper-muted); border-width: 0 0 0 var(--rule-thin); border-radius: 50%; width: 5rem; height: 9rem; content: ""; opacity: 0.14; animation: steam 8s var(--ease-in-out) infinite alternate; }
.hero__steam { right: 10%; bottom: 4rem; }
.hero__steam::before { right: 5rem; bottom: 3rem; animation-delay: -3s; }
.hero__steam::after { right: -4rem; bottom: 5rem; animation-delay: -5s; }
@keyframes steam { from { transform: translateY(0); opacity: 0.08; } to { transform: translateY(-1.5rem); opacity: 0.2; } }
.hero__inner { width: min(1180px, calc(100% - 2rem)); margin: 0 auto; padding: clamp(4.5rem, 8vw, 6rem) 0 clamp(6rem, 11vw, 8rem); }
.eyebrow { margin: 0 0 var(--space-sm); color: var(--color-gold); font: 700 var(--text-xs)/1.2 var(--font-mono); letter-spacing: 0.18em; text-transform: uppercase; }
h1, h2, h3 { margin-top: 0; font-family: var(--font-display); font-style: normal; line-height: 1.12; overflow-wrap: anywhere; min-width: 0; }
h1 { max-width: 9.2em; margin-bottom: var(--space-md); font-size: var(--text-display); letter-spacing: -0.035em; text-shadow: 0 4px 24px var(--color-shadow); }
.hero__jp { display: block; margin-bottom: var(--space-lg); color: var(--color-paper-muted); font: 600 var(--text-sm)/1.4 var(--font-body); letter-spacing: 0.08em; }
.hero__lede { max-width: 36rem; margin: 0 0 var(--space-xl); font-size: var(--text-lg); }
.tag-row, .button-row { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-sm); }
.tag-row { margin-bottom: var(--space-lg); }
.tag { display: inline-flex; align-items: center; min-height: 2rem; border: var(--rule-thin) solid var(--color-gold-line); padding: 0.2rem 0.72rem; color: var(--color-paper); background: var(--color-overlay); font-size: var(--text-sm); white-space: nowrap; }

.paper-shell { width: min(1120px, calc(100% - 2rem)); margin: 0 auto; color: var(--color-ink); background: var(--color-paper); box-shadow: 14px 14px 0 var(--color-wine-deep); }
.ledger { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-bottom: var(--rule-thick) solid var(--color-ink); }
.ledger__item { padding: var(--space-lg); border-right: var(--rule-thin) solid var(--color-gold-deep); }
.ledger__item:last-child { border-right: 0; }
.ledger dt { margin-bottom: var(--space-xs); color: var(--color-wine); font: 800 var(--text-xs)/1.2 var(--font-body); letter-spacing: 0.12em; text-transform: uppercase; }
.ledger dd { margin: 0; font-weight: 800; }
.content { padding: clamp(2rem, 5vw, 4.5rem); }
.section { position: relative; padding: clamp(3rem, 7vw, 6.5rem) 0; }
.section--paper { color: var(--color-ink); background: var(--color-paper); }
.section--ink { color: var(--color-paper); background: var(--color-ink); }
.section--wine { color: var(--color-paper); background: var(--color-wine-deep); }
.section-head { display: grid; grid-template-columns: minmax(0, 1fr); align-items: start; gap: var(--space-md); max-width: 48rem; margin-bottom: var(--space-2xl); }
.section-head h2 { margin-bottom: 0; font-size: clamp(2rem, 5vw, 4.4rem); }
.section-head p { margin: 0; max-width: 42rem; }
.container { width: min(1120px, calc(100% - 2rem)); margin: 0 auto; }
.chapter-no { display: block; margin-bottom: var(--space-sm); color: var(--color-gold-deep); font: 800 var(--text-xs)/1 var(--font-body); letter-spacing: 0.2em; }
.story-grid { display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); align-items: center; gap: clamp(1.5rem, 5vw, 4rem); }
.story-copy { max-width: 40rem; }
.story-copy p { margin: 0 0 var(--space-lg); }
.picture-frame { position: relative; padding: var(--space-sm); background: var(--color-paper); border: var(--rule-thick) solid var(--color-gold-deep); box-shadow: 12px 12px 0 var(--color-wine); transform: rotate(-0.55deg); }
.picture-frame img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.picture-frame figcaption { padding: var(--space-sm) var(--space-xs) 0; color: var(--color-ink-soft); font-size: var(--text-sm); }
.key-tag { display: inline-flex; align-items: center; min-height: 2.6rem; margin-top: var(--space-lg); padding: var(--space-xs) var(--space-md); border: var(--rule-thin) solid var(--color-gold-deep); border-radius: var(--radius-sm) var(--radius-sm) var(--space-md) var(--radius-sm); color: var(--color-ink); background: var(--color-paper-warm); box-shadow: var(--space-2xs) var(--space-2xs) 0 var(--color-gold-deep); font: 800 var(--text-sm)/1 var(--font-body); letter-spacing: 0.06em; transform: rotate(1deg); }

.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-md); counter-reset: feature; }
.feature { position: relative; min-height: 15rem; padding: var(--space-xl); border: var(--rule-thin) solid var(--color-gold-line); background: var(--color-ink-soft); box-shadow: 8px 8px 0 var(--color-gold-deep); counter-increment: feature; }
.feature::before { content: "0" counter(feature); display: block; margin-bottom: var(--space-2xl); color: var(--color-gold); font: 800 var(--text-sm)/1 var(--font-body); }
.feature h3 { margin-bottom: var(--space-sm); font-size: var(--text-xl); }
.feature p { margin: 0; color: var(--color-paper-muted); }
.feature:hover { box-shadow: var(--space-md) var(--space-md) 0 var(--color-gold-deep); }

.character-sheet { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 0; border: var(--rule-thick) solid var(--color-ink); background: var(--color-paper-warm); }
.character-sheet__image { width: 100%; height: 100%; min-height: 30rem; object-fit: cover; object-position: center 24%; }
.character-sheet__copy { padding: clamp(1.5rem, 5vw, 4rem); }
.character-sheet h2 { font-size: clamp(2.6rem, 6vw, 5.5rem); margin-bottom: var(--space-sm); }
.voice { color: var(--color-wine); font: 800 var(--text-sm)/1.3 var(--font-body); }
.staff-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-sm); margin: var(--space-xl) 0 0; padding: 0; list-style: none; }
.staff-list li { border-top: var(--rule-thin) solid var(--color-gold-deep); padding-top: var(--space-sm); }
.staff-list strong { display: block; color: var(--color-wine); font-size: var(--text-xs); letter-spacing: 0.08em; }

.gallery-stage { display: grid; grid-template-columns: minmax(0, 1fr) 13.5rem; gap: var(--space-md); }
.gallery-main { position: relative; margin: 0; border: var(--rule-thick) solid var(--color-gold); background: var(--color-ink-soft); overflow: hidden; }
.gallery-main a { display: block; }
.gallery-main img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.gallery-main figcaption { padding: var(--space-sm) var(--space-md); color: var(--color-paper-muted); font-size: var(--text-sm); }
.thumbs { display: grid; grid-template-columns: 1fr; gap: var(--space-sm); align-content: start; }
.thumb { border: var(--rule-thick) solid var(--color-paper-faint); padding: 0; background: var(--color-ink-soft); cursor: pointer; transition: transform var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out); }
.thumb img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.thumb:hover, .thumb.is-hover, .thumb[aria-current="true"] { border-color: var(--color-gold); }
.thumb:active, .thumb.is-active { transform: translateX(var(--space-2xs)); }
.thumb:disabled, .thumb.is-disabled { opacity: 0.42; cursor: not-allowed; }
.thumb[data-state="loading"] { filter: grayscale(0.8); cursor: wait; }
.thumb[data-state="error"] { border-color: var(--color-error); }
.thumb[data-state="success"] { border-color: var(--color-success); }

.download-board { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(16rem, 0.7fr); gap: var(--space-xl); align-items: center; border: var(--rule-thick) solid var(--color-gold); padding: clamp(1.5rem, 5vw, 4rem); background: var(--color-wine-deep); box-shadow: 14px 14px 0 var(--color-gold-deep); }
.download-board h2 { font-size: clamp(2rem, 5vw, 4.5rem); margin-bottom: var(--space-md); }
.download-board p { max-width: 42rem; }
.download-facts { margin: 0; padding: 0; list-style: none; border-top: var(--rule-thin) solid var(--color-gold-line); }
.download-facts li { display: flex; justify-content: space-between; gap: var(--space-md); padding: var(--space-sm) 0; border-bottom: var(--rule-thin) solid var(--color-gold-line); }

.prose { max-width: 48rem; }
.prose h2 { margin-top: var(--space-2xl); font-size: var(--text-xl); }
.prose h3 { margin-top: var(--space-xl); font-size: var(--text-lg); }
.prose ol, .prose ul { padding-left: 1.25rem; }
.prose li + li { margin-top: var(--space-sm); }
.notice { border-left: var(--rule-thick) solid var(--color-gold); padding: var(--space-md) var(--space-lg); color: var(--color-paper); background: var(--color-wine-deep); }
.faq details { border-top: var(--rule-thin) solid var(--color-gold-line); padding: var(--space-lg) 0; }
.faq details:last-child { border-bottom: var(--rule-thin) solid var(--color-gold-line); }
.faq summary { cursor: pointer; font-weight: 800; }
.faq summary::marker { color: var(--color-gold); }
.faq p { max-width: 48rem; color: var(--color-paper-muted); }

.breadcrumbs { display: flex; flex-wrap: wrap; gap: var(--space-xs); margin: 0 0 var(--space-xl); padding: 0; list-style: none; color: var(--color-paper-muted); font-size: var(--text-sm); }
.breadcrumbs a { white-space: nowrap; }
.page-hero { padding: clamp(5rem, 12vw, 9rem) 0 clamp(3rem, 7vw, 5rem); border-bottom: var(--rule-thick) solid var(--color-gold); background: var(--color-wine-deep); }
.page-hero h1 { max-width: 12em; font-size: clamp(2.6rem, 7vw, 5.6rem); }
.page-hero p { max-width: 44rem; font-size: var(--text-lg); }
.gallery-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-xl); }
.gallery-card { margin: 0; padding: var(--space-sm); border: var(--rule-thick) solid var(--color-gold); background: var(--color-ink-soft); box-shadow: 10px 10px 0 var(--color-wine-deep); }
.gallery-card a { display: block; }
.gallery-card img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.gallery-card figcaption { padding: var(--space-md) var(--space-xs) var(--space-xs); color: var(--color-paper-muted); }

.lightbox[hidden] { display: none; }
.lightbox { position: fixed; inset: 0; z-index: 90; display: grid; place-items: center; padding: var(--space-lg); background: var(--color-overlay); }
.lightbox__dialog { position: relative; width: min(1120px, 100%); }
.lightbox img { width: 100%; max-height: 82vh; object-fit: contain; background: var(--color-ink); }
.lightbox__close, .lightbox__prev, .lightbox__next { position: absolute; z-index: 2; min-width: 2.75rem; min-height: 2.75rem; border: var(--rule-thick) solid var(--color-gold); color: var(--color-paper); background: var(--color-ink); cursor: pointer; }
.lightbox__close { top: var(--space-sm); right: var(--space-sm); }
.lightbox__prev { left: var(--space-sm); top: 50%; }
.lightbox__next { right: var(--space-sm); top: 50%; }
.lightbox__close:hover, .lightbox__prev:hover, .lightbox__next:hover { color: var(--color-ink); background: var(--color-gold); }

.site-footer { border-top: var(--rule-thick) solid var(--color-gold); padding: var(--space-2xl) 0 6rem; color: var(--color-paper-muted); background: var(--color-ink); }
.footer-grid { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--space-xl); }
.footer-links { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-lg); }
.site-footer p { max-width: 36rem; margin: var(--space-sm) 0 0; font-size: var(--text-sm); }
.mobile-cta { display: none; }
.back-top { position: fixed; right: var(--space-md); bottom: var(--space-md); z-index: 40; width: 2.8rem; height: 2.8rem; border: var(--rule-thick) solid var(--color-gold); color: var(--color-paper); background: var(--color-ink); cursor: pointer; opacity: 0; pointer-events: none; transition: opacity var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out); }
.back-top[data-visible="true"] { opacity: 1; pointer-events: auto; }
.back-top:hover { transform: translateY(-3px); }

@media (max-width: 900px) {
  .site-header { grid-template-columns: auto minmax(0, 1fr) auto; padding: 0 var(--space-md); }
  .brand { grid-column: 1; }
  .site-nav { position: absolute; top: 100%; right: var(--space-md); left: var(--space-md); display: none; flex-direction: column; padding: var(--space-lg); border: var(--rule-thin) solid var(--color-gold-line); background: var(--color-ink); box-shadow: 8px 8px 0 var(--color-wine-deep); }
  .site-nav[data-open="true"] { display: flex; }
  .nav-toggle { grid-column: 3; grid-row: 1; display: inline-flex; justify-self: end; }
  .header-cta { display: none; }
  .hero { min-height: 720px; }
  .hero::after { background: linear-gradient(90deg, var(--color-overlay) 0 56%, var(--color-overlay-clear) 100%), linear-gradient(0deg, var(--color-ink) 0%, var(--color-overlay-clear) 70%); }
  .ledger { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ledger__item:nth-child(2) { border-right: 0; }
  .ledger__item:nth-child(-n+2) { border-bottom: var(--rule-thin) solid var(--color-gold-deep); }
  .section-head { grid-template-columns: minmax(0, 1fr); gap: var(--space-md); }
  .story-grid, .character-sheet, .gallery-stage, .download-board { grid-template-columns: minmax(0, 1fr); }
  .character-sheet__image { min-height: 22rem; }
  .gallery-stage { gap: var(--space-sm); }
  .thumbs { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .thumb:hover, .thumb[aria-current="true"] { border-color: var(--color-gold); }
}

@media (max-width: 640px) {
  body { padding-bottom: var(--space-mobile-bar); }
  .brand span { max-width: 8.8rem; overflow: hidden; text-overflow: ellipsis; }
  .hero { min-height: 660px; }
  .hero__image { object-position: 44% center; }
  .hero::after { background: linear-gradient(0deg, var(--color-ink) 0 38%, var(--color-overlay) 68%, var(--color-overlay-clear) 100%); }
  .hero__inner { align-self: end; padding: var(--space-2xl) 0 var(--space-3xl); }
  h1 { font-size: clamp(2.35rem, 14vw, 4.2rem); }
  .tag-row { gap: var(--space-xs); }
  .button-row { display: grid; grid-template-columns: minmax(0, 1fr); }
  .btn { width: 100%; }
  .paper-shell { width: calc(100% - 1rem); box-shadow: 7px 7px 0 var(--color-wine-deep); }
  .ledger { grid-template-columns: minmax(0, 1fr); }
  .ledger__item { border-right: 0; border-bottom: var(--rule-thin) solid var(--color-gold-deep); }
  .ledger__item:last-child { border-bottom: 0; }
  .feature-grid, .gallery-grid { grid-template-columns: minmax(0, 1fr); }
  .feature { min-height: auto; }
  .feature::before { margin-bottom: var(--space-xl); }
  .staff-list { grid-template-columns: minmax(0, 1fr); }
  .character-sheet__image { min-height: 18rem; }
  .thumbs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .download-facts li { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-2xs); }
  .footer-grid { flex-direction: column; }
  .mobile-cta { position: fixed; right: 0; bottom: 0; left: 0; z-index: 60; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: var(--space-sm); padding: var(--space-sm) var(--space-md); border-top: var(--rule-thick) solid var(--color-gold); color: var(--color-paper); background: var(--color-ink); }
  .mobile-cta span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: var(--text-sm); }
  .mobile-cta .btn { width: auto; min-height: 2.6rem; }
  .back-top { bottom: 5.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 1ms !important; animation-iteration-count: 1 !important; transition-duration: 1ms !important; }
  .picture-frame, .key-tag { transform: none; }
}