/* Hallmark · macrostructure: Scene-led nightly route card · tone: midnight ryokan itch-page · anchor hue: warm gold
 * nav: N4 split ribbon · footer: Ft6 closing scene · contrast: pass (40–41) · slop: pass (42–45)
 * honest: pass (46) · chrome: pass (47) · tokens: pass (48) · responsive: pass (49) · icons: pass (30)
 * mobile: pass (34, 49, 50–57)
 */
/* Hallmark · pre-emit critique: P5 H5 E4 S5 R4 V5 */
@import url("tokens.css");
* { box-sizing: border-box; }
html, body { margin: 0; overflow-x: clip; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-height); }
body { background: var(--color-charcoal); color: var(--color-ink); font-family: var(--font-body); line-height: 1.72; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-underline-offset: 0.24em; }
button, summary { font: inherit; }
h1, h2, h3 { margin: 0; min-width: 0; overflow-wrap: anywhere; font-family: var(--font-display); font-style: normal; line-height: 1.08; }
h1 { font-size: var(--text-display); }
h2 { font-size: var(--text-xl); }
h3 { font-size: var(--text-lg); }
p { max-width: var(--measure); }
.skip { position: fixed; top: -6rem; left: var(--space-sm); z-index: 999; background: var(--color-gold); padding: var(--space-xs) var(--space-sm); }
.skip:focus { top: var(--space-sm); }
.site-header { position: sticky; top: 0; z-index: var(--z-nav); background: var(--color-charcoal); color: var(--color-on-dark); border-bottom: var(--rule-bold) solid var(--color-gold); }
.header-bar { min-height: 4rem; max-width: 92rem; margin: auto; padding: 0 var(--gutter); display: flex; align-items: center; justify-content: space-between; gap: var(--space-md); }
.brand { display: flex; align-items: center; gap: var(--space-xs); text-decoration: none; white-space: nowrap; font-family: var(--font-display); font-weight: 900; }
.brand-mark { display: grid; place-items: center; width: 2rem; height: 2rem; background: var(--color-wine); color: var(--color-gold); border: var(--rule-hair) solid var(--color-gold); box-shadow: 3px 3px 0 var(--color-gold-dark); }
.desktop-nav { display: flex; align-items: center; gap: var(--space-lg); }
.desktop-nav a { padding: var(--space-2xs) 0; text-decoration: none; white-space: nowrap; font-size: var(--text-sm); font-weight: 800; }
.desktop-nav a:hover, .desktop-nav a[aria-current="page"] { color: var(--color-gold); }
.mobile-nav { display: none; position: relative; }
.mobile-nav summary { cursor: pointer; list-style: none; border: var(--rule-hair) solid var(--color-gold); padding: var(--space-2xs) var(--space-xs); white-space: nowrap; }
.mobile-nav summary::-webkit-details-marker { display: none; }
.mobile-nav nav { position: absolute; right: 0; top: calc(100% + var(--space-xs)); width: 13rem; display: grid; gap: var(--space-2xs); padding: var(--space-sm); background: var(--color-charcoal-2); border: var(--rule-hair) solid var(--color-gold); box-shadow: 8px 8px 0 var(--color-wine); }
.mobile-nav a { padding: var(--space-xs); text-decoration: none; white-space: nowrap; }
.btn { min-height: 3rem; display: inline-flex; align-items: center; justify-content: center; padding: var(--space-xs) var(--space-md); background: var(--color-gold); color: var(--color-gold-ink); border: var(--rule-bold) solid var(--color-charcoal); box-shadow: 7px 7px 0 var(--color-wine); text-decoration: none; font-weight: 900; white-space: nowrap; line-height: 1; transition: transform var(--dur-micro) var(--ease-out), box-shadow var(--dur-micro) var(--ease-out), background-color var(--dur-micro) var(--ease-out); }
.btn:hover, .btn.is-hover { background: var(--color-ivory); }
.btn:active, .btn.is-active { transform: translate(4px, 4px); box-shadow: 2px 2px 0 var(--color-wine); }
.btn:focus-visible, .btn.is-focus, a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 3px; }
.btn[aria-disabled="true"], .btn.is-disabled { opacity: 0.5; pointer-events: none; box-shadow: none; }
.btn[aria-busy="true"], .btn.is-loading { cursor: progress; }
.btn.is-error { background: var(--color-error); color: var(--color-on-dark); }
.btn.is-success { background: var(--color-success); color: var(--color-on-dark); }
a:active, summary:active { opacity: 0.78; }
a[aria-disabled="true"], button:disabled, summary[aria-disabled="true"] { opacity: 0.5; cursor: not-allowed; pointer-events: none; }
a[aria-busy="true"], button[aria-busy="true"] { cursor: progress; }
a.is-error, button.is-error { outline: 3px solid var(--color-error); outline-offset: 2px; }
a.is-success, button.is-success { outline: 3px solid var(--color-success); outline-offset: 2px; }
.btn-ghost { background: var(--color-charcoal-2); color: var(--color-on-dark); border-color: var(--color-gold); box-shadow: 7px 7px 0 var(--color-gold-dark); }
.hero { position: relative; min-height: calc(100svh - 4rem); display: grid; align-items: end; isolation: isolate; color: var(--color-on-dark); overflow: hidden; }
.hero-media { position: absolute; inset: 0; z-index: -3; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero::after { content: ""; position: absolute; inset: 0; z-index: -2; background: linear-gradient(to bottom, var(--color-clear) 4%, var(--color-overlay) 100%); }
.steam { position: absolute; z-index: -1; left: -8%; bottom: 10%; width: 42rem; height: 6rem; background: var(--color-ivory); opacity: 0.06; filter: blur(2.2rem); animation: steam 20s var(--ease-in-out) infinite alternate; }
.hero-inner { width: min(88rem, 100%); margin: auto; padding: var(--space-xl) var(--gutter) var(--space-3xl); display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(17rem, 0.65fr); gap: var(--space-xl); align-items: end; }
.hero-logo { width: min(36rem, 82vw); border: var(--rule-hair) solid var(--color-gold-dark); margin-bottom: var(--space-sm); }
.hero h1 { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.hero-lede { font-family: var(--font-display); font-size: clamp(1.3rem, 2.7vw, 2.2rem); line-height: 1.35; max-width: 30ch; text-shadow: 0 4px 18px var(--color-shadow); }
.tags, .actions, .footer-links, .related, .filters { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-sm); }
.tag { padding: var(--space-3xs) var(--space-xs); background: var(--color-wine); border: var(--rule-hair) solid var(--color-gold); font-size: var(--text-xs); font-weight: 800; white-space: nowrap; }
.route-card { background: var(--color-paper); color: var(--color-ink); border: var(--rule-bold) solid var(--color-gold); box-shadow: 12px 12px 0 var(--color-wine); padding: var(--space-md); transform: rotate(0.7deg); }
.route-card p { margin: 0; font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-wine); }
.route-card strong { display: block; margin: var(--space-xs) 0 var(--space-sm); font-family: var(--font-display); font-size: var(--text-lg); }
.route-card dl, .facts { margin: 0; }
.route-card div, .facts div { display: grid; grid-template-columns: 7rem minmax(0, 1fr); gap: var(--space-sm); padding: var(--space-xs) 0; border-bottom: var(--rule-hair) dashed var(--color-line); }
.route-card dt, .facts dt { color: var(--color-muted); }
.route-card dd, .facts dd { margin: 0; font-weight: 800; }
.paper { max-width: 92rem; margin: auto; background: var(--color-ivory); box-shadow: 0 0 4rem var(--color-shadow); }
.info-strip { margin: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); background: var(--color-wine); color: var(--color-on-dark); border-block: var(--rule-bold) solid var(--color-gold); }
.info-strip div { padding: var(--space-md); border-right: var(--rule-hair) solid var(--color-gold-dark); }
.info-strip dt { color: var(--color-gold); font-size: var(--text-xs); font-family: var(--font-body); }
.info-strip dd { margin: var(--space-3xs) 0 0; font-weight: 800; }
.content { padding: var(--space-2xl) var(--gutter); }
.section { padding: var(--space-2xl) 0; border-bottom: var(--rule-hair) solid var(--color-line); scroll-margin-top: var(--nav-height); }
.section:last-child { border-bottom: 0; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: var(--space-lg); margin-bottom: var(--space-lg); }
.section-head h2 { max-width: 17ch; }
.section-head p { max-width: 34rem; margin: 0; }
.story-grid, .split, .download-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: var(--space-xl); align-items: start; }
.lead { font-family: var(--font-display); font-size: var(--text-lg); line-height: 1.45; }
.wood-note { padding: var(--space-lg); background: var(--color-paper); border: var(--rule-hair) solid var(--color-wood); box-shadow: 9px 9px 0 var(--color-wood); }
.mechanics { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr); grid-template-rows: repeat(2, minmax(0, 1fr)); gap: var(--space-md); }
.mechanic { padding: var(--space-lg); background: var(--color-charcoal-2); color: var(--color-on-dark); border: var(--rule-hair) solid var(--color-gold-dark); }
.mechanic:first-child { grid-row: span 2; }
.mechanic:nth-child(3) { background: var(--color-wine); }
.mechanic h3 { color: var(--color-gold); }
.mechanic img { margin-top: var(--space-md); width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.gallery-feature { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.45fr); gap: var(--space-sm); }
.thumb-rail { display: grid; grid-template-rows: repeat(2, minmax(0, 1fr)); gap: var(--space-sm); }
.media { display: block; background: var(--color-charcoal); border: var(--rule-bold) solid var(--color-charcoal); box-shadow: 7px 7px 0 var(--color-gold-dark); transition: transform var(--dur-short) var(--ease-out), box-shadow var(--dur-short) var(--ease-out); }
.media:hover { box-shadow: 10px 10px 0 var(--color-wine); }
.media img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.thumb-rail .media, .thumb-rail img { height: 100%; }
figure { margin: 0; }
figcaption { margin-top: var(--space-xs); color: var(--color-muted); font-size: var(--text-sm); }
.gallery-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-lg); }
.gallery-item[hidden] { display: none; }
.filter-btn { border: var(--rule-hair) solid var(--color-charcoal); background: var(--color-paper); color: var(--color-ink); padding: var(--space-2xs) var(--space-sm); font-weight: 800; white-space: nowrap; cursor: pointer; }
.filter-btn:hover, .filter-btn[aria-pressed="true"] { background: var(--color-wine); color: var(--color-on-dark); }
.filter-btn:active { transform: translateY(2px); }
.filter-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.filter-btn.is-error { border-color: var(--color-error); }
.filter-btn.is-success { border-color: var(--color-success); }
.update-list { display: grid; gap: var(--space-sm); }
.update { display: grid; grid-template-columns: 10rem minmax(0, 1fr); gap: var(--space-lg); padding: var(--space-lg); background: var(--color-charcoal-2); color: var(--color-on-dark); border-top: var(--rule-bold) solid var(--color-gold); }
.update time { color: var(--color-gold); font-family: var(--font-mono); font-weight: 800; }
.audience { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-md); }
.audience article { padding: var(--space-lg); border: var(--rule-hair) solid var(--color-line); background: var(--color-paper); }
.faq { display: grid; gap: var(--space-xs); max-width: 64rem; }
.faq details { border: var(--rule-hair) solid var(--color-line); background: var(--color-paper); }
.faq summary { padding: var(--space-sm); cursor: pointer; font-weight: 900; }
.faq details p, .faq details ol { margin-top: 0; padding: 0 var(--space-md) var(--space-sm); }
.faq details[open] { box-shadow: 6px 6px 0 var(--color-gold-dark); }
.subhero { padding: var(--space-xl) var(--gutter) var(--space-3xl); background: var(--color-indigo); color: var(--color-on-dark); border-bottom: var(--rule-bold) solid var(--color-gold); }
.subhero-inner { max-width: 86rem; margin: auto; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(17rem, 0.8fr); gap: var(--space-xl); align-items: end; }
.subhero h1 { max-width: 15ch; font-size: clamp(2.8rem, 6.5vw, 5.8rem); }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: var(--space-2xs); margin-bottom: var(--space-lg); font-size: var(--text-sm); }
.breadcrumbs a { white-space: nowrap; }
.subhero-card { padding: var(--space-md); background: var(--color-paper); color: var(--color-ink); border: var(--rule-bold) solid var(--color-gold); box-shadow: 9px 9px 0 var(--color-wine); }
.guide-layout { display: grid; grid-template-columns: 16rem minmax(0, 1fr); gap: var(--space-xl); }
.toc { position: sticky; top: calc(var(--nav-height) + var(--space-md)); padding: var(--space-md); background: var(--color-charcoal-2); color: var(--color-on-dark); border-top: var(--rule-bold) solid var(--color-gold); }
.toc a { display: block; padding: var(--space-2xs) 0; }
.guide-block { padding: var(--space-xl) 0; border-bottom: var(--rule-hair) solid var(--color-line); scroll-margin-top: var(--nav-height); }
.steps { list-style: none; padding: 0; counter-reset: step; display: grid; gap: var(--space-sm); }
.steps li { counter-increment: step; padding: var(--space-md); background: var(--color-paper); border-left: var(--rule-bold) solid var(--color-wine); }
.steps li::before { content: counter(step, decimal-leading-zero); display: block; color: var(--color-wine); font-family: var(--font-body); font-weight: 900; }
.platform-card { padding: var(--space-lg); background: var(--color-charcoal-2); color: var(--color-on-dark); border: var(--rule-bold) solid var(--color-gold); box-shadow: 10px 10px 0 var(--color-wine); }
.platform-card h2 { color: var(--color-gold); }
.platform-card dl div { display: flex; justify-content: space-between; gap: var(--space-md); padding: var(--space-xs) 0; border-bottom: var(--rule-hair) solid var(--color-gold-dark); }
.platform-card dd { margin: 0; font-weight: 800; }
.final-cta { padding: var(--space-2xl) var(--gutter); display: flex; align-items: center; justify-content: space-between; gap: var(--space-lg); background: var(--color-wine); color: var(--color-on-dark); border-block: var(--rule-bold) solid var(--color-gold); }
.footer { padding: var(--space-2xl) var(--gutter) calc(var(--space-3xl) + 4rem); background: var(--color-charcoal); color: var(--color-on-dark); }
.footer-inner { max-width: 86rem; margin: auto; }
.footer-title { max-width: 20ch; color: var(--color-gold); font-family: var(--font-display); font-size: var(--text-xl); }
.footer-grid { margin-top: var(--space-xl); display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-xl); }
.footer-links a, .related a { white-space: nowrap; }
.legal { margin-top: var(--space-xl); padding-top: var(--space-md); border-top: var(--rule-hair) solid var(--color-wood); color: var(--color-line); font-size: var(--text-xs); }
.sticky-cta { position: fixed; z-index: var(--z-sticky); left: 50%; bottom: var(--space-sm); transform: translateX(-50%); width: min(44rem, calc(100% - 2rem)); display: flex; align-items: center; justify-content: space-between; gap: var(--space-sm); padding: var(--space-xs); background: var(--color-charcoal); color: var(--color-on-dark); border: var(--rule-hair) solid var(--color-gold); box-shadow: 0 12px 30px var(--color-shadow); }
.sticky-cta span { padding-left: var(--space-xs); font-weight: 800; }
.lightbox { width: 100%; height: 100%; max-width: none; max-height: none; border: 0; padding: 0; background: var(--color-overlay); color: var(--color-on-dark); }
.lightbox::backdrop { background: var(--color-overlay); }
.lightbox-inner { height: 100%; display: grid; grid-template-rows: auto minmax(0, 1fr) auto; gap: var(--space-sm); padding: var(--space-sm); }
.lightbox-bar, .lightbox-controls { width: 100%; max-width: 90rem; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: var(--space-sm); }
.lightbox img { max-width: min(92vw, 90rem); max-height: 76vh; margin: auto; object-fit: contain; }
.lightbox button { padding: var(--space-xs) var(--space-sm); border: var(--rule-bold) solid var(--color-charcoal); background: var(--color-gold); color: var(--color-gold-ink); font-weight: 900; cursor: pointer; white-space: nowrap; }
.lightbox button:hover { background: var(--color-ivory); }
.lightbox button:active { transform: translateY(2px); }
@keyframes steam { from { transform: translateX(-3rem); opacity: 0.03; } to { transform: translateX(4rem); opacity: 0.08; } }
@media (max-width: 62rem) {
  :root { --nav-height: 4rem; }
  .desktop-nav { display: none; }
  .mobile-nav { display: block; }
  .hero-inner, .subhero-inner, .story-grid, .split, .download-grid { grid-template-columns: minmax(0, 1fr); }
  .route-card { max-width: 28rem; }
  .info-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mechanics { grid-template-columns: minmax(0, 1fr); grid-template-rows: auto; }
  .mechanic:first-child { grid-row: auto; }
  .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .guide-layout { grid-template-columns: minmax(0, 1fr); }
  .toc { position: static; }
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 42rem) {
  .hero-inner { padding-bottom: var(--space-3xl); }
  .hero-lede { font-size: 1.3rem; }
  .route-card { display: none; }
  .content { padding-top: var(--space-xl); }
  .section { padding: var(--space-xl) 0; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .gallery-feature { grid-template-columns: minmax(0, 1fr); }
  .thumb-rail { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-template-rows: auto; }
  .gallery-grid, .audience { grid-template-columns: minmax(0, 1fr); }
  .update { grid-template-columns: minmax(0, 1fr); }
  .final-cta { flex-direction: column; align-items: flex-start; }
  .footer-links, .related { flex-direction: column; align-items: flex-start; }
  .footer { padding-bottom: 8rem; }
  .sticky-cta span { display: none; }
  .sticky-cta .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 1ms !important; animation-iteration-count: 1 !important; transition-duration: 1ms !important; }
  .steam { animation: none; }
}