/* Hallmark · macrostructure: Workbench · tone: restrained pixel-diary · anchor hue: yellow
 * theme: custom · nav: N1b · footer: Ft5 · enrichment: official screenshots
 * pre-emit critique: P4 H4 E4 S5 R4 V4 */
@import url("tokens.css");
* { box-sizing: border-box; }
html { overflow-x: clip; scroll-behavior: smooth; scroll-padding-top: 110px; }
body { margin: 0; overflow-x: clip; background: var(--color-paper); color: var(--color-ink); font: 400 var(--text-base)/1.65 var(--font-body); padding-bottom: 5rem; }
a { color: inherit; text-decoration: none; }
a.text-link { text-decoration: underline; text-underline-offset: 5px; }
button { font: inherit; cursor: pointer; }
button, a, summary { -webkit-tap-highlight-color: var(--color-clear); }
:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 5px; }
img { display: block; max-width: 100%; height: auto; }
figure, p, h1, h2, h3, dl { margin: 0; }
h1,h2,h3 { font-style: normal; overflow-wrap: anywhere; min-width: 0; }
h1,h2 { font-family: var(--font-display); font-weight: 700; line-height: 1.18; letter-spacing: -.025em; }
h2 { font-size: clamp(1.8rem,3vw,2.7rem); }
h3 { font-size: var(--text-lg); line-height: 1.4; }
p { max-width: 65ch; }
ul,ol { padding-left: 1.3rem; }
[hidden] { display: none !important; }
.wrap { width: min(var(--page-max),100% - var(--page-gutter)*2); margin-inline: auto; }
.muted { color: var(--color-muted); }
.small { font-size: var(--text-sm); }
.skip { position: fixed; top: 12px; left: 16px; padding: 12px 20px; background: var(--color-accent); color: var(--color-accent-ink); z-index: var(--z-modal); transform: translateY(-200%); }
.skip:focus { transform: none; }
.site-header { position: sticky; top: 0; background: var(--color-paper); color: var(--color-ink); z-index: var(--z-sticky); border-bottom: 1px solid var(--color-rule-2); }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: var(--space-md); min-height: 76px; }
.brand { display: flex; align-items: center; gap: var(--space-sm); flex-shrink: 0; white-space: nowrap; min-height: 44px; }
.brand img { width: 40px; height: 40px; }
.brand-name { font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; }
.brand-sub { display: none; color: var(--color-muted); font-size: .7rem; letter-spacing: .1em; }
.desktop-nav { display: none; align-items: center; gap: var(--space-lg); }
.nav-link { display: inline-flex; align-items: center; min-height: 44px; white-space: nowrap; font-size: var(--text-sm); }
.nav-link[aria-current="page"] { color: var(--color-accent); text-decoration: underline; text-underline-offset: 10px; }
.header-action { display: none; }
.mobile-nav { border-top: 1px solid var(--color-rule-2); }
.mobile-nav summary { position: absolute; right: var(--page-gutter); top: 15px; min-width: 54px; min-height: 44px; display: grid; place-items: center; border: 1px solid var(--color-rule); cursor: pointer; font-size: var(--text-sm); }
.mobile-nav summary::marker { content: ''; }
.mobile-nav nav { display: flex; flex-wrap: wrap; gap: var(--space-sm) var(--space-lg); padding-block: var(--space-md); }
.button { display: inline-flex; gap: var(--space-sm); align-items: center; justify-content: center; min-height: 48px; padding: var(--space-sm) var(--space-md); border: 1px solid var(--color-rule); background: var(--color-paper-2); color: var(--color-ink); border-radius: var(--radius-sm); font-weight: 600; font-size: var(--text-sm); white-space: nowrap; transition: transform var(--dur-short) var(--ease-out),background-color var(--dur-short) var(--ease-out); }
.button.primary { background: var(--color-accent); color: var(--color-accent-ink); border-color: var(--color-accent); box-shadow: 0 4px 0 var(--color-rule-2); }
.button.primary:active { transform: translateY(2px); box-shadow: 0 2px 0 var(--color-rule-2); }
.button:active { transform: translateY(2px); }
.button[disabled], .button[aria-disabled="true"] { opacity: .55; cursor: not-allowed; transform: none; box-shadow: none; }
.button[data-state="loading"] { cursor: wait; }
.button[data-state="error"] { background: var(--color-error-surface); color: var(--color-error); }
.button[data-state="success"] { border-color: var(--color-success); }
.button.header-action { display: none; }
button:active, .chapter:active, .nav-link:active, .hero-rail a:active { transform: translateY(2px); }
button:disabled, [aria-disabled="true"] { opacity: .55; cursor: not-allowed; }
button[data-state="loading"] { cursor: wait; }
button[data-state="error"] { color: var(--color-error); }
button[data-state="success"] { border-color: var(--color-success); }
@media (hover:hover) { .button:hover { background: var(--color-paper-3); color: var(--color-ink); } .button.primary:hover { background: var(--color-accent-hover); color: var(--color-accent-ink); } .nav-link:hover,.text-link:hover { text-decoration: underline; text-underline-offset: 6px; } }
.hero { position: relative; isolation: isolate; min-height: 670px; background: var(--color-paper); color: var(--color-ink); display: flex; align-items: stretch; }
.hero-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 62% center; z-index: -2; }
.hero::after { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg,color-mix(in oklch,var(--color-paper) 92%,transparent),color-mix(in oklch,var(--color-paper) 36%,transparent)); }
.hero-inner { display: flex; flex-direction: column; justify-content: space-between; padding-block: var(--space-xl) var(--space-lg); gap: var(--space-xl); }
.hero-content { max-width: 610px; }
.tags { display: flex; gap: var(--space-xs); flex-wrap: wrap; margin-bottom: var(--space-lg); }
.tag { display: inline-flex; align-items: center; border: 1px solid var(--color-rule); background: color-mix(in oklch,var(--color-paper) 75%,transparent); color: var(--color-ink); padding: 4px 10px; font-size: var(--text-sm); }
.hero h1 { font-size: var(--text-display); margin-bottom: var(--space-lg); }
.original-name { display: block; font-family: var(--font-body); font-size: var(--text-lg); font-weight: 400; letter-spacing: .16em; margin-top: var(--space-md); }
.hero-subtitle { font-family: var(--font-display); font-size: clamp(1.4rem,2.6vw,2rem); margin-bottom: var(--space-sm); }
.hero-description { color: var(--color-ink); max-width: 34em; line-height: 1.8; }
.hero-actions { display: flex; align-items: center; gap: var(--space-sm); flex-wrap: wrap; margin-top: var(--space-xl); margin-bottom: var(--space-md); }
.hero-meta { font-size: var(--text-sm); color: var(--color-ink); }
.hero-dialogue { display: grid; grid-template-columns: minmax(0,1fr); gap: var(--space-md); padding: var(--space-lg); border: 1px solid var(--color-rule); background: color-mix(in oklch,var(--color-paper) 91%,transparent); color: var(--color-ink); max-width: 950px; position: relative; }
.dialogue-name { position: absolute; top: -16px; left: 20px; background: var(--color-accent); color: var(--color-accent-ink); padding: 2px 16px; font-size: var(--text-sm); font-weight: 700; }
.dialogue-copy { font-family: var(--font-display); font-size: var(--text-lg); padding-top: var(--space-xs); }
.dialogue-copy strong { font-weight: 700; }
.dialogue-link { white-space: nowrap; display: flex; align-items: center; gap: 16px; min-height: 44px; font-size: var(--text-sm); }
.hero-rail { display: none; }
.info-strip { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); padding-block: var(--space-lg); gap: var(--space-lg) var(--space-md); font-variant-numeric: tabular-nums; }
.info-strip dt { font-size: var(--text-sm); color: var(--color-muted); margin-bottom: var(--space-xs); }
.info-strip dd { margin: 0; font-size: var(--text-base); overflow-wrap: anywhere; }
.chapter-nav { display: grid; grid-template-columns: repeat(auto-fit,minmax(min(100%,8.5rem),1fr)); gap: var(--space-xs); padding-block: var(--space-lg) var(--space-2xl); }
.chapter { padding: var(--space-lg) var(--space-md); background: var(--color-paper-2); color: var(--color-ink); display: flex; flex-direction: column; gap: var(--space-sm); min-height: 150px; }
.chapter-num { color: var(--color-accent); font-size: var(--text-sm); font-variant-numeric: tabular-nums; }
.chapter b { font-size: var(--text-lg); font-weight: 500; white-space: nowrap; }
.chapter small { font-size: var(--text-sm); color: var(--color-muted); }
.chapter:hover { background: var(--color-paper-3); color: var(--color-ink); }
.paper-section { background: var(--color-washi); color: var(--color-washi-ink); padding-block: var(--space-xl); }
.paper-section :focus-visible { outline-color: var(--color-washi-ink); }
.story-grid { display: grid; gap: var(--space-xl); }
.story-copy { display: grid; align-content: start; gap: var(--space-lg); }
.story-copy .lead { font-size: var(--text-lg); }
.story-copy p { line-height: 1.85; }
.story-media img { width: 100%; aspect-ratio: 16/9; object-fit: contain; background: var(--color-paper); }
.story-media figcaption { color: var(--color-washi-muted); margin-top: var(--space-sm); font-size: var(--text-sm); }
.story-note { padding-top: var(--space-lg); border-top: 1px solid var(--color-washi-rule); }
.feature-list { display: grid; gap: var(--space-lg); margin-top: var(--space-xl); }
.feature-list article { border-top: 1px solid var(--color-washi-rule); padding-top: var(--space-md); }
.feature-list article p { margin-top: var(--space-sm); color: var(--color-washi-muted); }
.section { padding-block: var(--space-2xl); }
.section-head { display: flex; flex-direction: column; align-items: flex-start; gap: var(--space-lg); margin-bottom: var(--space-xl); }
.section-head p { margin-top: var(--space-sm); color: var(--color-muted); }
.gallery-stage { display: grid; gap: var(--space-md); }
.main-shot { width: 100%; border: 1px solid var(--color-rule); background: var(--color-paper-2); color: var(--color-ink); position: relative; }
.main-shot img { width: 100%; aspect-ratio: 16/9; object-fit: contain; }
.main-shot .zoom-label { position: absolute; right: 12px; bottom: 12px; background: var(--color-paper); color: var(--color-ink); padding: 5px 12px; border: 1px solid var(--color-rule); font-size: var(--text-sm); }
.thumbs { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: var(--space-sm); }
.thumb { display: block; position: relative; border: 1px solid var(--color-rule); }
.thumb img { width: 100%; aspect-ratio: 16/9; object-fit: contain; }
.thumb span { position: absolute; bottom: 0; right: 0; padding: 2px 8px; background: var(--color-paper); color: var(--color-ink); font-size: var(--text-sm); }
.gallery-caption { margin-top: var(--space-sm); display: flex; justify-content: space-between; font-size: var(--text-sm); color: var(--color-muted); }
.faq-section { display: grid; gap: var(--space-xl); }
.faq-list details { border-top: 1px solid var(--color-rule); }
.faq-list details:last-child { border-bottom: 1px solid var(--color-rule); }
.faq-list summary { display: flex; justify-content: space-between; align-items: center; gap: var(--space-lg); cursor: pointer; list-style: none; padding: var(--space-lg) 0; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: '+'; font-size: 1.4rem; font-weight: 400; color: var(--color-accent); }
.faq-list details[open] summary::after { content: '−'; }
.faq-list details p { padding-bottom: var(--space-lg); color: var(--color-muted); line-height: 1.8; }
.footer { padding-block: var(--space-xl); border-top: 1px solid var(--color-rule); }
.footer-statement { font-family: var(--font-display); font-size: clamp(1.7rem,3.6vw,3rem); line-height: 1.3; }
.footer-cta { display: flex; gap: var(--space-lg); align-items: center; flex-wrap: wrap; margin-top: var(--space-lg); margin-bottom: var(--space-xl); }
.footer-links { display: flex; align-items: center; gap: var(--space-sm) var(--space-lg); flex-wrap: wrap; margin-block: var(--space-lg); }
.footer-links a { white-space: nowrap; min-height: 44px; display: inline-flex; align-items: center; font-size: var(--text-sm); }
.footer-meta { display: flex; flex-direction: column; gap: var(--space-sm); border-top: 1px solid var(--color-rule-2); padding-top: var(--space-lg); }
.footer-legal { color: var(--color-muted); font-size: var(--text-sm); }
.bottom-bar { position: fixed; bottom: 0; inset-inline: 0; z-index: var(--z-sticky); background: color-mix(in oklch,var(--color-paper) 96%,transparent); color: var(--color-ink); border-top: 1px solid var(--color-rule); padding-bottom: env(safe-area-inset-bottom); }
.bottom-row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: var(--space-sm); min-height: 76px; padding-block: var(--space-xs); }
.bottom-title { font-family: var(--font-display); font-weight: 700; }
.bottom-desc { display: none; color: var(--color-muted); font-size: var(--text-sm); }
.bottom-row .button { padding-inline: var(--space-md); }
.back-top { display: none; min-width: 44px; min-height: 44px; place-items: center; border: 1px solid var(--color-rule); }
.page-intro { padding-block: var(--space-xl); background: var(--color-paper-2); color: var(--color-ink); }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-sm); font-size: var(--text-sm); margin-bottom: var(--space-lg); }
.breadcrumb a { min-height: 44px; display: inline-flex; align-items: center; white-space: nowrap; color: var(--color-muted); }
.page-intro h1 { font-size: clamp(2.2rem,4.5vw,3.8rem); max-width: 20em; }
.page-intro p { color: var(--color-muted); margin-top: var(--space-lg); line-height: 1.8; }
.page-content { padding-block: var(--space-xl) var(--space-2xl); }
.download-layout { display: grid; grid-template-columns: minmax(0,1fr); gap: var(--space-xl); }
.get-card { background: var(--color-paper-2); color: var(--color-ink); padding: var(--space-md); border: 1px solid var(--color-rule); }
.get-card h2 { margin-bottom: var(--space-lg); }
.get-card .button { margin-block: var(--space-lg); width: 100%; padding-inline: var(--space-xs); gap: var(--space-xs); }
.compact-facts { display: grid; gap: var(--space-md); margin-block: var(--space-lg); }
.compact-facts div { display: grid; grid-template-columns: minmax(0,35%) minmax(0,1fr); gap: var(--space-md); }
.compact-facts dt { color: var(--color-muted); font-size: var(--text-sm); }
.compact-facts dd { margin: 0; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.reading { display: grid; grid-template-columns: minmax(0,1fr); min-width: 0; gap: var(--space-xl); }
.reading h2 { font-size: clamp(1.7rem,3vw,2.3rem); }
.reading p,.reading li { line-height: 1.85; }
.reading p { margin-top: var(--space-md); }
.reading section { scroll-margin-top: 105px; }
.reading .step-list { list-style: none; padding: 0; counter-reset: steps; display: grid; gap: var(--space-lg); }
.step-list li { counter-increment: steps; padding-inline-start: 50px; position: relative; }
.step-list li::before { content: counter(steps,decimal-leading-zero); position: absolute; left: 0; top: 0; color: var(--color-accent); font-size: var(--text-lg); }
.step-list b { display: block; margin-bottom: var(--space-xs); }
.file-tree { padding: var(--space-lg); background: var(--color-paper); color: var(--color-ink); border: 1px solid var(--color-rule); font-family: var(--font-body); font-size: var(--text-sm); white-space: pre-wrap; overflow-wrap: anywhere; line-height: 1.9; }
.inline-notice { border: 1px solid var(--color-rule); padding: var(--space-lg); background: var(--color-paper-2); color: var(--color-ink); }
.guide-layout { display: grid; grid-template-columns: minmax(0,1fr); gap: var(--space-xl); }
.guide-toc { display: flex; flex-wrap: wrap; gap: var(--space-xs); align-self: start; }
.guide-toc a { min-height: 44px; padding: 8px 14px; border: 1px solid var(--color-rule); font-size: var(--text-sm); white-space: nowrap; }
.guide-step { display: grid; gap: var(--space-lg); padding-top: var(--space-lg); border-top: 1px solid var(--color-rule); }
.guide-step img { width: 100%; aspect-ratio: 16/9; object-fit: contain; border: 1px solid var(--color-rule); }
.key-row { display: flex; gap: var(--space-sm); flex-wrap: wrap; margin-top: var(--space-lg); }
.key-row span { padding: 5px 10px; border: 1px solid var(--color-rule); color: var(--color-muted); font-size: var(--text-sm); }
.filters { display: flex; flex-wrap: wrap; gap: var(--space-sm); margin-bottom: var(--space-lg); }
.filters button { padding: 8px 20px; min-height: 44px; border: 1px solid var(--color-rule); background: var(--color-paper); color: var(--color-ink); font-size: var(--text-sm); white-space: nowrap; }
.filters button[aria-pressed="true"] { background: var(--color-accent); color: var(--color-accent-ink); border-color: var(--color-accent); }
.gallery-status { font-size: var(--text-sm); color: var(--color-muted); margin-bottom: var(--space-lg); min-height: 24px; }
.gallery-grid { display: grid; grid-template-columns: minmax(0,1fr); gap: var(--space-xl) var(--space-lg); }
.gallery-card img { width: 100%; aspect-ratio: 16/9; object-fit: contain; background: var(--color-paper-2); border: 1px solid var(--color-rule); }
.gallery-card figcaption { margin-top: var(--space-md); display: flex; justify-content: space-between; font-size: var(--text-sm); gap: var(--space-md); }
.gallery-card p { font-size: var(--text-sm); color: var(--color-muted); margin-top: var(--space-xs); }
.lightbox { position: fixed; inset: 0; margin: auto; width: min(1140px,calc(100% - 24px)); height: fit-content; max-height: calc(100dvh - 32px); padding: var(--space-md); background: var(--color-paper); color: var(--color-ink); border: 1px solid var(--color-rule); overflow-y: auto; }
.lightbox::backdrop { background: color-mix(in oklch,var(--color-paper) 92%,transparent); }
.lightbox-bar { display: flex; gap: var(--space-sm); align-items: center; justify-content: space-between; margin-bottom: var(--space-md); }
.lightbox-bar p { font-size: var(--text-sm); }
.lightbox-controls { display: flex; gap: var(--space-xs); }
.lightbox-controls button { min-width: 44px; min-height: 44px; border: 1px solid var(--color-rule); background: var(--color-paper-2); color: var(--color-ink); }
.lightbox-image { width: 100%; max-height: 72dvh; object-fit: contain; aspect-ratio: 16/9; }
.lightbox-message { margin-top: var(--space-sm); font-size: var(--text-sm); color: var(--color-muted); min-height: 24px; }
.lightbox-message[data-state="error"] { color: var(--color-error); }
.error-actions { display: flex; align-items: center; gap: var(--space-md); }
@media (min-width:40rem) {
  .brand-sub { display: block; }
  .hero { min-height: 700px; }
  .hero-inner { padding-block: var(--space-2xl) var(--space-xl); }
  .hero-dialogue { grid-template-columns: minmax(0,1fr) auto; }
  .info-strip { grid-template-columns: repeat(4,minmax(0,1fr)); gap: var(--space-xl); padding-block: var(--space-xl); }
  .chapter-nav { grid-template-columns: repeat(4,minmax(0,1fr)); }
  .chapter { padding: var(--space-lg); }
  .paper-section { padding-block: var(--space-2xl); }
  .thumbs { grid-template-columns: repeat(4,minmax(0,1fr)); }
  .bottom-desc { display: block; }
  .back-top { display: grid; }
  .bottom-row .button { margin-inline-start: auto; }
  .gallery-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .get-card { padding: var(--space-xl); }
}
@media (min-width:64rem) {
  .desktop-nav { display: flex; }
  .button.header-action { display: inline-flex; }
  .mobile-nav { display: none; }
  .hero { min-height: 730px; }
  .hero-rail { display: flex; flex-direction: column; position: absolute; right: var(--page-gutter); top: 28%; gap: var(--space-sm); }
  .hero-rail a { display: grid; place-items: center; gap: var(--space-xs); min-width: 70px; min-height: 70px; padding: var(--space-sm); border: 1px solid var(--color-rule); background: color-mix(in oklch,var(--color-paper) 91%,transparent); color: var(--color-ink); font-size: var(--text-sm); white-space: nowrap; }
  .hero-rail a span { color: var(--color-accent); }
  .story-grid { grid-template-columns: minmax(0,.95fr) minmax(0,1.15fr); align-items: start; gap: var(--space-2xl); }
  .story-media { margin-top: var(--space-xl); }
  .feature-list { grid-template-columns: minmax(0,1fr) minmax(0,1.2fr); gap: var(--space-xl); }
  .section-head { flex-direction: row; justify-content: space-between; align-items: flex-end; }
  .faq-section { grid-template-columns: minmax(0,.65fr) minmax(0,1.35fr); gap: var(--space-2xl); }
  .footer-meta { flex-direction: row; justify-content: space-between; }
  .download-layout { grid-template-columns: minmax(0,.85fr) minmax(0,1.15fr); gap: var(--space-2xl); }
  .get-card { position: sticky; top: 105px; align-self: start; }
  .guide-layout { grid-template-columns: 220px minmax(0,1fr); gap: var(--space-2xl); }
  .guide-toc { position: sticky; top: 105px; flex-direction: column; }
  .guide-step { grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: var(--space-xl); }
  .gallery-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .gallery-card:first-child { grid-column: span 2; grid-row: span 2; }
}
@media (prefers-reduced-motion:reduce) { html { scroll-behavior: auto; } *,*::before,*::after { transition-duration: 0ms !important; animation: none !important; } .button:active { transform: none; } }
@media print { .site-header,.bottom-bar,.hero-rail,.filters { display:none; } body { padding-bottom:0; } }

/* Logo component inherits the established palette, focus and reduced-motion system. */
.brand:active { transform: translateY(2px); }
.brand[aria-disabled="true"] { opacity: .55; cursor: not-allowed; }
@media (hover:hover) { .brand:hover .brand-name { text-decoration: underline; text-underline-offset: 4px; } }
@media (prefers-reduced-motion:reduce) { .brand:active { transform: none; } }