/* Hallmark · macrostructure: Split Studio · H2 split diptych · nav: N5 Floating pill · footer: Ft4 Dense typographic
 * theme: custom · vibe: "Japanese shop, inn warmth, restrained club" · paper: oklch(98% 0.012 90) · accent: oklch(66% 0.185 5)
 * display: Noto Serif SC · body: Noto Sans SC · axes: light / roman-serif / chromatic-coral
 * enrichment: E8 verified game photography · studied: no · context: explicit · v1.1.0
 */
/* Hallmark · pre-emit critique: P5 H5 E5 S5 R4 V5 · contrast: pass (40–41) · nav: N5 · footer: Ft4 · 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) */

* { box-sizing: border-box; }
html, body { overflow-x: clip; }
html { scroll-behavior: smooth; scroll-padding-top: 6rem; }
body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  padding-bottom: calc(5.25rem + env(safe-area-inset-bottom));
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: var(--z-base);
  opacity: 0.16;
  background-image: repeating-linear-gradient(90deg, color-mix(in oklch, var(--color-ink) 2%, transparent) 0 1px, transparent 1px 5px);
}
img { display: block; max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
a { color: inherit; text-underline-offset: 0.22em; }
a, button, summary { white-space: nowrap; }
a:active, button:active, summary:active { filter: brightness(0.92); }
a[aria-disabled="true"], button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}
[aria-busy="true"] { cursor: wait; }
[aria-invalid="true"], .is-error { outline: 2px solid var(--color-error); outline-offset: 2px; }
.is-success { outline: 2px solid var(--color-success); outline-offset: 2px; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
p, h1, h2, h3, ul, ol, figure, blockquote { margin-block-start: 0; }
h1, h2, h3 {
  font-family: var(--font-display);
  font-style: normal;
  line-height: 1.15;
  letter-spacing: -0.025em;
  overflow-wrap: anywhere;
  min-width: 0;
}
h1 { font-size: var(--text-display); margin-block-end: var(--space-lg); }
h2 { font-size: clamp(var(--text-2xl), 4vw, var(--text-3xl)); margin-block-end: var(--space-md); }
h3 { font-size: var(--text-lg); margin-block-end: var(--space-xs); }
.muted { color: var(--color-muted); }
.tnum { font-variant-numeric: tabular-nums; }
.skip-link {
  position: fixed;
  inset: var(--space-xs) auto auto var(--space-xs);
  z-index: var(--z-tooltip);
  transform: translateY(-160%);
  background: var(--color-ink);
  color: var(--color-paper);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-sm);
}
.skip-link:focus { transform: none; }
:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}
.shell { width: min(100% - 2rem, 78rem); margin-inline: auto; position: relative; z-index: var(--z-raised); }
.section { padding-block: var(--space-2xl); }
.section-tight { padding-block: var(--space-xl); }
.section-head { max-width: 48rem; margin-block-end: var(--space-xl); }
.section-head p { max-width: 65ch; color: var(--color-ink-2); }
.section-night {
  background: var(--color-night);
  color: var(--color-paper);
  position: relative;
}
.section-night::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.12;
  background-image: repeating-linear-gradient(135deg, transparent 0 5px, color-mix(in oklch, var(--color-gold) 8%, transparent) 5px 6px);
}
.section-night .muted, .section-night .section-head p { color: var(--color-rule); }

.nav-pill {
  position: fixed;
  inset: var(--space-md) auto auto 50%;
  transform: translateX(-50%);
  z-index: var(--z-sticky);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  width: max-content;
  max-width: calc(100% - 2rem);
  min-height: 3.25rem;
  padding: var(--space-2xs) var(--space-2xs) var(--space-2xs) var(--space-md);
  border: var(--rule-hair) solid color-mix(in oklch, var(--color-rule) 82%, transparent);
  border-radius: var(--radius-pill);
  background: color-mix(in oklch, var(--color-paper) 88%, transparent);
  backdrop-filter: blur(16px) saturate(120%);
  box-shadow: 0 var(--space-xs) var(--space-xl) color-mix(in oklch, var(--color-shadow) 75%, transparent);
}
.wordmark {
  font-family: var(--font-display);
  font-weight: 800;
  text-decoration: none;
  letter-spacing: -0.03em;
}
.wordmark span { color: var(--color-accent-deep); }
.nav-links { display: none; list-style: none; padding: 0; margin: 0; gap: var(--space-2xs); }
.nav-links a, .mobile-menu a {
  display: grid;
  place-items: center;
  min-height: 2.75rem;
  padding-inline: var(--space-sm);
  text-decoration: none;
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
}
@media (hover: hover) and (pointer: fine) {
  .nav-links a:hover, .mobile-menu a:hover { background: var(--color-paper-2); }
}
.menu-toggle {
  display: grid;
  place-items: center;
  min-width: 2.75rem;
  min-height: 2.75rem;
  border: 0;
  border-radius: var(--radius-pill);
  background: var(--color-paper-2);
  color: var(--color-ink);
  cursor: pointer;
}
.menu-toggle::before { content: "目录"; font-size: var(--text-sm); }
.mobile-menu {
  position: fixed;
  z-index: var(--z-dropdown);
  inset: 5rem var(--space-md) auto;
  padding: var(--space-xs);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-lg);
  background: var(--color-paper);
  box-shadow: 0 var(--space-lg) var(--space-xl) var(--color-shadow);
}
.mobile-menu[hidden] { display: none; }
.mobile-menu a { justify-content: start; }

.btn {
  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  min-height: 3rem;
  padding: var(--space-sm) var(--space-lg);
  overflow: hidden;
  border: var(--rule-hair) solid var(--color-ink);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-ink);
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--dur-micro) var(--ease-out), background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out);
}
.btn::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -60% auto -60% -45%;
  width: 22%;
  transform: skewX(-18deg) translateX(-200%);
  background: color-mix(in oklch, var(--color-gold) 72%, transparent);
  transition: transform var(--dur-long) var(--ease-out);
}
.btn-primary { background: var(--color-accent); color: var(--color-accent-ink); border-color: var(--color-accent-deep); }
.btn-dark { background: var(--color-night); color: var(--color-paper); border-color: var(--color-gold); }
.btn-small { min-height: 2.75rem; padding: var(--space-xs) var(--space-md); font-size: var(--text-sm); }
@media (hover: hover) and (pointer: fine) {
  .btn:hover::after { transform: skewX(-18deg) translateX(760%); }
}
.btn:active { transform: translateY(1px) scale(0.99); }
.btn[aria-disabled="true"], .btn:disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }
.btn.is-loading { cursor: wait; }
.btn.is-loading::before {
  content: "";
  width: 1rem;
  aspect-ratio: 1;
  border: 2px solid currentColor;
  border-inline-end-color: transparent;
  border-radius: var(--radius-pill);
  animation: spin 0.8s linear infinite;
}
.btn.is-error { border-color: var(--color-error); }
.btn.is-success { border-color: var(--color-success); }
@keyframes spin { to { transform: rotate(1turn); } }

.hero {
  position: relative;
  z-index: var(--z-raised);
  display: grid;
  min-height: clamp(40rem, 84dvh, 56rem);
  background: var(--color-night);
  color: var(--color-paper);
  overflow: clip;
}
.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: end;
  gap: var(--space-sm);
  padding: var(--space-2xl) 1rem var(--space-3xl);
  background: linear-gradient(135deg, var(--color-night), var(--color-night-2));
}
.hero h1 { max-width: 10ch; margin-block-end: var(--space-sm); }
.hero h1 span { display: block; font-family: var(--font-body); font-size: 0.27em; letter-spacing: 0.04em; color: var(--color-gold); margin-block-start: var(--space-sm); }
.hero-lede { max-width: 36rem; font-size: var(--text-md); color: var(--color-rule-2); }
.tag-row, .metric-row, .cta-row { display: flex; flex-wrap: wrap; gap: var(--space-xs); align-items: center; }
.tag {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding-inline: var(--space-sm);
  border: var(--rule-hair) solid color-mix(in oklch, var(--color-rule) 70%, transparent);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  color: var(--color-paper-2);
}
.metric-row { margin-block: var(--space-md); }
.metric { display: grid; gap: var(--space-3xs); padding-inline-end: var(--space-lg); border-inline-end: var(--rule-hair) solid var(--color-rule); }
.metric:last-child { border-inline-end: 0; }
.metric strong { font-size: var(--text-lg); font-variant-numeric: tabular-nums; color: var(--color-gold); }
.metric span { font-size: var(--text-xs); color: var(--color-rule); }
.hero-visual { position: relative; min-height: 28rem; overflow: hidden; background: var(--color-night-2); }
.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 28%;
  transform: translate3d(var(--hero-x, 0), var(--hero-y, 0), 0) scale(1.035);
  animation: hero-drift 14s var(--ease-in-out) alternate infinite;
  transition: transform var(--dur-long) var(--ease-out);
}
.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--color-overlay), var(--color-overlay-deep));
  pointer-events: none;
}
.dialogue-box {
  position: absolute;
  z-index: var(--z-raised);
  inset: auto var(--space-md) var(--space-md);
  display: grid;
  gap: var(--space-sm);
  padding: var(--space-lg);
  border: var(--rule-hair) solid color-mix(in oklch, var(--color-gold) 75%, transparent);
  border-radius: var(--radius-md);
  background: color-mix(in oklch, var(--color-night) 86%, transparent);
  backdrop-filter: blur(12px);
}
.dialogue-box strong { font-family: var(--font-display); color: var(--color-gold); }
.dialogue-box p { margin: 0; }
.choice-row { display: flex; flex-wrap: wrap; gap: var(--space-xs); }
.choice-row a { min-height: 2.75rem; padding: var(--space-xs) var(--space-md); border: var(--rule-hair) solid var(--color-rule); border-radius: var(--radius-sm); text-decoration: none; }
@media (hover: hover) and (pointer: fine) { .choice-row a:hover { background: var(--color-paper); color: var(--color-ink); } }
@keyframes hero-drift {
  from { transform: translate3d(var(--hero-x, 0), var(--hero-y, 0), 0) scale(1.02); }
  to { transform: translate3d(var(--hero-x, 0), var(--hero-y, 0), 0) scale(1.05); }
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-block-start: calc(var(--space-lg) * -1);
  border: var(--rule-hair) solid var(--color-rule);
  background: var(--color-paper);
  box-shadow: 0 var(--space-sm) var(--space-xl) color-mix(in oklch, var(--color-shadow) 45%, transparent);
}
.info-item { padding: var(--space-md); border-block-end: var(--rule-hair) solid var(--color-rule-2); }
.info-item:nth-child(odd) { border-inline-end: var(--rule-hair) solid var(--color-rule-2); }
.info-item dt { color: var(--color-muted); font-size: var(--text-xs); }
.info-item dd { margin: var(--space-3xs) 0 0; font-weight: 800; }

.split-section { display: grid; gap: var(--space-xl); align-items: center; }
.split-section figure { margin: 0; min-width: 0; }
.split-section img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-radius: var(--radius-xs); }
.split-copy { min-width: 0; }
.split-copy p { max-width: 65ch; }
.story-copy { font-family: var(--font-display); font-size: var(--text-md); line-height: 1.9; }
.feature-list { list-style: none; padding: 0; display: grid; gap: var(--space-sm); }
.feature-list li { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: var(--space-sm); padding-block: var(--space-sm); border-block-end: var(--rule-hair) solid var(--color-rule-2); }
.feature-list li::before { content: ""; width: var(--space-xs); height: var(--space-xs); margin-block-start: var(--space-xs); background: var(--color-accent); transform: rotate(45deg); }

.feature-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-md); }
.feature-card {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-content: start;
  gap: var(--space-sm);
  min-height: 10rem;
  padding: var(--space-lg);
  border: var(--rule-hair) solid var(--color-rule);
  background: var(--color-paper);
  transition: transform var(--dur-short) var(--ease-out);
}
.feature-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  box-shadow: 0 var(--space-sm) var(--space-lg) color-mix(in oklch, var(--color-shadow) 35%, transparent);
  transition: opacity var(--dur-short) var(--ease-out);
}
.feature-card .mark {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-pill);
  background: var(--color-night);
  color: var(--color-gold);
  font-family: var(--font-display);
  font-weight: 800;
}
.feature-card p { grid-column: 2; color: var(--color-ink-2); margin: 0; }
@media (hover: hover) and (pointer: fine) {
  .feature-card:hover { transform: translateY(-3px); }
  .feature-card:hover::after { opacity: 1; }
}

.media-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-xs); }
.media-item { position: relative; margin: 0; min-width: 0; }
.media-button { position: relative; display: block; width: 100%; padding: 0; border: 0; background: var(--color-night); cursor: zoom-in; overflow: hidden; }
.media-button::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; background: color-mix(in oklch, var(--color-paper) 8%, transparent); transition: opacity var(--dur-short) var(--ease-out); }
.media-button img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; opacity: 0.92; transition: transform var(--dur-short) var(--ease-out); }
.media-item figcaption { padding: var(--space-xs) var(--space-2xs); font-size: var(--text-sm); color: var(--color-muted); }
@media (hover: hover) and (pointer: fine) {
  .media-button:hover img { transform: scale(1.02); }
  .media-button:hover::after { opacity: 1; }
}
.gallery-tabs { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-xs); margin-block-end: var(--space-lg); }
.filter-button {
  min-height: 2.75rem;
  padding-inline: var(--space-md);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-pill);
  background: var(--color-paper);
  color: var(--color-ink);
  cursor: pointer;
}
.filter-button[aria-pressed="true"] { background: var(--color-night); color: var(--color-paper); border-color: var(--color-night); }
.filter-button:active { transform: translateY(1px); }
[hidden] { display: none !important; }

.spec-table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.spec-table th, .spec-table td { padding: var(--space-sm) 0; border-block-end: var(--rule-hair) solid var(--color-rule-2); text-align: start; vertical-align: top; }
.spec-table th { width: 34%; color: var(--color-muted); font-weight: 500; }
.compare-grid { display: grid; gap: var(--space-md); }
.compare-card { padding: var(--space-lg); border: var(--rule-hair) solid var(--color-rule); background: var(--color-paper); }
.compare-card.recommended { border-color: var(--color-gold); background: var(--color-night); color: var(--color-paper); }
.compare-card.recommended .spec-table td, .compare-card.recommended .spec-table th { border-color: var(--color-night-2); }
.compare-card.recommended .spec-table th { color: var(--color-rule); }
.ribbon { display: inline-block; margin-block-end: var(--space-sm); padding: var(--space-2xs) var(--space-xs); background: var(--color-gold); color: var(--color-ink); font-size: var(--text-xs); font-weight: 800; }

.review-layout { display: grid; gap: var(--space-lg); }
.review-summary { display: grid; gap: var(--space-xs); align-content: start; padding: var(--space-lg); border: var(--rule-hair) solid var(--color-gold); background: var(--color-night); color: var(--color-paper); }
.review-summary p { margin: 0; }
.review-score { display: flex; align-items: baseline; gap: var(--space-xs); }
.review-score strong { font-family: var(--font-display); font-size: var(--text-3xl); color: var(--color-gold); }
.review-cards { display: grid; gap: var(--space-sm); }
.review-card { padding: var(--space-lg); border-block-start: var(--rule-hair) solid var(--color-rule); }
.review-card p { margin: 0; color: var(--color-ink-2); }

.timeline { display: grid; gap: 0; padding: 0; margin: 0; list-style: none; }
.timeline li { position: relative; display: grid; grid-template-columns: 6rem minmax(0, 1fr); gap: var(--space-md); padding-block: var(--space-lg); border-block-end: var(--rule-hair) solid var(--color-rule-2); }
.timeline time { font-variant-numeric: tabular-nums; color: var(--color-accent-deep); font-weight: 800; }
.timeline p { margin: var(--space-xs) 0 0; }

.accordion { border-block-start: var(--rule-hair) solid var(--color-rule); }
.accordion details { border-block-end: var(--rule-hair) solid var(--color-rule); }
.accordion summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-md);
  min-height: 4rem;
  padding-block: var(--space-md);
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 800;
  list-style: none;
  white-space: normal;
}
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::after { content: "+"; display: grid; place-items: center; width: 2rem; height: 2rem; border: var(--rule-hair) solid var(--color-rule); border-radius: var(--radius-pill); }
.accordion details[open] summary::after { content: "−"; }
.accordion .answer { max-width: 68ch; padding: 0 var(--space-xl) var(--space-lg) 0; color: var(--color-ink-2); }
.accordion .answer p:last-child { margin-block-end: 0; }

.download-panel { display: grid; gap: var(--space-lg); padding: var(--space-xl); border: var(--rule-hair) solid var(--color-gold); background: var(--color-night); color: var(--color-paper); }
.download-panel h2 { max-width: 14ch; }
.download-panel p { color: var(--color-rule-2); max-width: 58ch; }
.download-meta { display: flex; flex-wrap: wrap; gap: var(--space-xs); }
.download-meta span { padding: var(--space-2xs) var(--space-xs); border: var(--rule-hair) solid var(--color-rule); font-size: var(--text-sm); }
.download-hero { padding-block-start: 8rem; }
.platform-grid { display: grid; gap: var(--space-md); }
.platform-card { padding: var(--space-xl); border: var(--rule-hair) solid var(--color-rule); background: var(--color-paper); }
.platform-card.primary { background: var(--color-night); color: var(--color-paper); border-color: var(--color-gold); }
.platform-card.primary p { color: var(--color-rule-2); }
.step-list { counter-reset: steps; display: grid; gap: var(--space-md); padding: 0; list-style: none; }
.step-list li { counter-increment: steps; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: var(--space-md); padding-block: var(--space-md); border-block-end: var(--rule-hair) solid var(--color-rule-2); }
.step-list li::before { content: counter(steps, decimal-leading-zero); font-family: var(--font-display); font-size: var(--text-xl); color: var(--color-accent-deep); }

.guide-layout { display: grid; gap: var(--space-xl); }
.toc { padding: var(--space-md); border: var(--rule-hair) solid var(--color-rule); background: var(--color-paper-2); }
.toc strong { display: block; margin-block-end: var(--space-sm); font-family: var(--font-display); }
.toc ul { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-xs); }
.toc a { text-decoration: none; }
.toc a:hover { text-decoration: underline; }
.guide-content article { scroll-margin-top: 6rem; padding-block: var(--space-xl); border-block-end: var(--rule-hair) solid var(--color-rule); }
.guide-content p, .guide-content li { max-width: 72ch; }
.guide-cards { display: grid; gap: var(--space-sm); }
.guide-card { padding: var(--space-lg); border: var(--rule-hair) solid var(--color-rule); text-decoration: none; }
.guide-card span { color: var(--color-accent-deep); font-weight: 800; }
.route-table { width: 100%; border-collapse: collapse; }
.route-table th, .route-table td { padding: var(--space-sm); border: var(--rule-hair) solid var(--color-rule); text-align: start; }
.notice { padding: var(--space-md); border: var(--rule-hair) solid var(--color-gold); background: var(--color-paper-2); }

.lightbox {
  position: fixed;
  inset: 0;
  width: min(92%, 78rem);
  max-width: none;
  height: fit-content;
  max-height: 88dvh;
  margin: auto;
  padding: var(--space-xs);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-sm);
  background: var(--color-night);
  color: var(--color-paper);
}
.lightbox::backdrop { background: var(--color-overlay-deep); }
.lightbox img { width: 100%; max-height: 72dvh; object-fit: contain; }
.lightbox-controls { display: flex; justify-content: space-between; align-items: center; gap: var(--space-xs); padding-block-start: var(--space-xs); }
.lightbox-controls button { min-width: 2.75rem; min-height: 2.75rem; border: var(--rule-hair) solid var(--color-rule); background: var(--color-night-2); color: var(--color-paper); cursor: pointer; }
.lightbox-controls p { flex: 1; margin: 0; text-align: center; white-space: normal; }

.final-cta { padding-block: var(--space-3xl); text-align: start; }
.final-cta .shell { display: grid; gap: var(--space-lg); }
.final-cta h2 { max-width: 16ch; }
.final-cta p { max-width: 58ch; }
.site-footer { position: relative; z-index: var(--z-raised); padding: var(--space-2xl) 0 calc(var(--space-3xl) + env(safe-area-inset-bottom)); background: var(--color-night); color: var(--color-paper); border-block-start: var(--rule-hair) solid var(--color-gold); }
.footer-lead { max-width: 52rem; font-family: var(--font-display); font-size: var(--text-xl); line-height: 1.5; color: var(--color-paper-2); }
.footer-links { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-xs) var(--space-lg); padding-block: var(--space-lg); border-block: var(--rule-hair) solid var(--color-night-2); }
.footer-links a { font-size: var(--text-sm); color: var(--color-rule-2); }
.footer-related { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-xs); padding-block: var(--space-lg); }
.footer-related a { color: var(--color-paper-2); }
.footer-colophon { font-size: var(--text-sm); color: var(--color-rule); max-width: 96ch; }
.footer-colophon p { margin-block-end: var(--space-xs); }
.sticky-cta {
  position: fixed;
  z-index: var(--z-sticky);
  inset: auto 0 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  min-height: 4.25rem;
  padding: var(--space-xs) max(var(--space-md), env(safe-area-inset-right)) max(var(--space-xs), env(safe-area-inset-bottom)) max(var(--space-md), env(safe-area-inset-left));
  border-block-start: var(--rule-hair) solid var(--color-gold);
  background: color-mix(in oklch, var(--color-night) 94%, transparent);
  color: var(--color-paper);
  backdrop-filter: blur(16px);
}
.sticky-cta span { display: none; }
.sticky-cta .btn { flex: 1; }
.back-top { min-width: 2.75rem; min-height: 2.75rem; border: var(--rule-hair) solid var(--color-rule); border-radius: var(--radius-pill); background: transparent; color: var(--color-paper); cursor: pointer; }

@media (min-width: 40rem) {
  .shell { width: min(100% - 3rem, 78rem); }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feature-card:nth-child(3n) { grid-column: 1 / -1; grid-template-columns: auto minmax(0, 1fr); }
  .media-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .compare-grid, .platform-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .review-layout { grid-template-columns: minmax(14rem, 0.7fr) minmax(0, 1.3fr); }
  .guide-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-related { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sticky-cta span { display: block; }
  .sticky-cta .btn { flex: 0 0 auto; }
}

@media (min-width: 60rem) {
  body { padding-bottom: 0; }
  .nav-links { display: flex; }
  .menu-toggle, .mobile-menu { display: none !important; }
  .hero { grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr); }
  .hero-copy { padding: var(--space-2xl) clamp(2rem, 5vw, 5rem) var(--space-3xl); }
  .hero-visual { min-height: 100%; }
  .dialogue-box { inset: auto var(--space-xl) var(--space-xl); }
  .info-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); margin-block-start: calc(var(--space-xl) * -1); }
  .info-item, .info-item:nth-child(odd) { border-inline-end: var(--rule-hair) solid var(--color-rule-2); border-block-end: 0; }
  .info-item:last-child { border-inline-end: 0; }
  .section { padding-block: var(--space-3xl); }
  .split-section { grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: var(--space-3xl); }
  .split-section.reverse figure { order: 2; }
  .feature-grid { grid-template-columns: 1.15fr 0.85fr; }
  .media-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .media-item:first-child { grid-column: span 2; grid-row: span 2; }
  .media-item:first-child img { aspect-ratio: 16 / 10; height: calc(100% - 2.6rem); }
  .guide-layout { grid-template-columns: minmax(12rem, 18rem) minmax(0, 1fr); align-items: start; }
  .toc { position: sticky; top: 6rem; }
  .footer-related { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .sticky-cta { left: 50%; right: auto; bottom: var(--space-md); width: min(44rem, calc(100% - 2rem)); transform: translateX(-50%); border: var(--rule-hair) solid var(--color-gold); border-radius: var(--radius-pill); padding: var(--space-xs); }
}

@media (min-width: 90rem) {
  .shell { width: min(100% - 6rem, 84rem); }
  .hero { grid-template-columns: minmax(0, 0.84fr) minmax(0, 1.16fr); }
}

@media (pointer: coarse) {
  .btn, .filter-button, .menu-toggle, .back-top, .lightbox-controls button { min-height: 3rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 150ms !important; animation-iteration-count: 1 !important; transition-duration: 150ms !important; }
  .hero-visual img { animation: none; transform: none; }
  .btn::after { display: none; }
}