/* Hallmark · macrostructure: Split Studio · genre: atmospheric · tone: utilitarian · anchor hue: vermilion · nav: N9 · footer: Ft4 · contrast: pass (40–41) · slop: pass (42–45) · mobile: pass (34, 49, 50–57) */
@import url("../../tokens.css?v=20260826d");

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: clip; background: var(--color-paper-deep); }
body {
  margin: 0;
  overflow-x: clip;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.68;
  padding-block-end: calc(var(--sticky-reserve) + env(safe-area-inset-bottom));
}
body.modal-open { overflow: clip; }
img { display: block; max-width: 100%; height: auto; }
a { color: var(--color-link); text-underline-offset: 0.18em; }
button, a { -webkit-tap-highlight-color: var(--color-transparent); }
button, input { font: inherit; }
h1, h2, h3 { margin: 0; font-family: var(--font-display); font-style: normal; line-height: 1.14; letter-spacing: -0.025em; overflow-wrap: anywhere; min-width: 0; }
h1 { font-size: var(--text-display-s); font-weight: 800; }
h2 { font-size: var(--text-2xl); font-weight: 800; }
h3 { font-size: var(--text-lg); font-weight: 700; }
p, ul, ol, dl, figure { margin: 0; }
p { max-width: 68ch; }
ul, ol { padding-inline-start: 1.25rem; }
summary { cursor: pointer; }
[hidden] { display: none !important; }

.skip-link {
  position: fixed;
  inset-block-start: var(--space-sm);
  inset-inline-start: var(--space-sm);
  z-index: var(--z-toast);
  transform: translateY(-200%);
  background: var(--color-action);
  color: var(--color-action-ink);
  padding: var(--space-sm) var(--space-md);
}
.skip-link:focus { transform: none; }
:focus-visible { outline: var(--rule-strong) solid var(--color-focus); outline-offset: var(--space-2xs); }

.shell { width: min(100%, var(--page-max)); margin-inline: auto; padding-inline: var(--page-gutter); }
.section { padding-block: var(--space-3xl); scroll-margin-top: calc(var(--nav-height) + var(--space-lg)); }
.section--tight { padding-block: var(--space-2xl); }
.section--deep { background: var(--color-paper-deep); color: var(--color-ink); }
.section-head { display: grid; gap: var(--space-sm); margin-block-end: var(--space-xl); }
.section-head p { color: var(--color-muted); }
.section-title-mark { display: inline-flex; align-items: center; gap: var(--space-sm); }
.section-title-mark::before { content: ""; inline-size: var(--space-sm); block-size: var(--space-sm); background: var(--color-accent); flex: none; }
.muted { color: var(--color-muted); }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.small { font-size: var(--text-sm); }

.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: var(--z-sticky-nav);
  min-height: var(--nav-height);
  background: var(--color-paper-deep);
  color: var(--color-ink);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}
.nav-edge { min-height: var(--nav-height); display: flex; align-items: center; justify-content: space-between; gap: var(--space-sm); }
.wordmark { color: var(--color-ink); text-decoration: none; font-family: var(--font-display); font-weight: 800; white-space: nowrap; }
.wordmark-full { display: none; }
.wordmark-short { display: inline; }
.nav-actions { display: flex; align-items: center; gap: var(--space-xs); }
.menu-button, .icon-button, .gallery-tab, .lightbox-close, .lightbox-arrow {
  min-inline-size: var(--tap-size);
  min-block-size: var(--tap-size);
  border: var(--rule-hair) solid var(--color-rule-strong);
  border-radius: var(--radius-xs);
  background: var(--color-paper-2);
  color: var(--color-ink);
  cursor: pointer;
  white-space: nowrap;
}
.menu-button { padding-inline: var(--space-md); }

.menu-dialog, .lightbox-dialog {
  position: fixed;
  inset: 0;
  margin: auto;
  border: var(--rule-hair) solid var(--color-rule-strong);
  border-radius: var(--radius-sm);
  background: var(--color-paper-deep);
  color: var(--color-ink);
  box-shadow: var(--shadow-modal);
  max-block-size: min(88dvh, 50rem);
}
.menu-dialog { inline-size: min(calc(100% - 2rem), 34rem); padding: var(--space-xl); }
.menu-dialog::backdrop, .lightbox-dialog::backdrop { background: var(--color-overlay); }
.dialog-head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-md); margin-block-end: var(--space-xl); }
.dialog-links { display: grid; gap: var(--space-xs); padding: 0; list-style: none; }
.dialog-links a { display: flex; min-block-size: var(--tap-size); align-items: center; justify-content: space-between; color: var(--color-ink); text-decoration: none; border-block-end: var(--rule-hair) solid var(--color-rule); white-space: nowrap; }

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-block-size: var(--tap-size);
  padding: var(--space-sm) var(--space-lg);
  border: var(--rule-strong) solid var(--color-action-shadow);
  border-radius: var(--radius-xs);
  background: var(--color-action);
  color: var(--color-action-ink);
  box-shadow: var(--shadow-pixel);
  font-family: var(--font-display);
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
  transition: transform var(--dur-micro) var(--ease-out), background-color var(--dur-short) var(--ease-out), opacity var(--dur-short) var(--ease-out);
  overflow: clip;
}
.btn::after { content: ""; position: absolute; inset: 0; transform: translateX(-120%); background: linear-gradient(100deg, var(--color-transparent), var(--color-overlay-soft)); opacity: 0.22; pointer-events: none; }
.btn:active, .btn.is-active { transform: translateY(var(--space-3xs)); box-shadow: 0 var(--space-3xs) 0 var(--color-action-shadow); }
.btn[aria-disabled="true"], .btn.is-disabled { opacity: 0.52; cursor: not-allowed; pointer-events: none; }
.btn[data-state="loading"] { cursor: progress; }
.btn[data-state="error"] { border-color: var(--color-error); }
.btn[data-state="success"] { outline: var(--rule-strong) solid var(--color-success); }
.btn--small { padding-inline: var(--space-md); }
.btn--secondary { background: var(--color-paper-2); color: var(--color-ink); border-color: var(--color-rule-strong); box-shadow: 0 var(--space-2xs) 0 var(--color-rule); }
.btn--secondary::after { display: none; }

.hero { position: relative; background: var(--color-paper-deep); color: var(--color-ink); }
.hero-backdrop { position: absolute; inset: 0; overflow: clip; }
.hero-backdrop img { inline-size: 100%; block-size: 100%; object-fit: cover; opacity: 0.22; transform: scale(1.02); }
.hero-backdrop::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, var(--color-paper-deep), var(--color-overlay-soft)); }
.hero-grid { position: relative; display: grid; gap: var(--space-xl); padding-block: var(--space-xl) var(--space-2xl); }
.hero-media { min-width: 0; }
.hero-main { aspect-ratio: 16 / 9; inline-size: 100%; object-fit: cover; border: var(--rule-hair) solid var(--color-rule-strong); background: var(--color-paper-2); }
.hero-thumbs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-xs); margin-block-start: var(--space-xs); }
.hero-thumb { padding: 0; border: var(--rule-hair) solid var(--color-rule); background: var(--color-paper-2); cursor: pointer; }
.hero-thumb[aria-current="true"] { border-color: var(--color-link); }
.hero-thumb img { aspect-ratio: 16 / 9; inline-size: 100%; object-fit: cover; }
.hero-copy { display: grid; align-content: start; gap: var(--space-sm); min-width: 0; }
.hero-logo { aspect-ratio: 460 / 215; inline-size: min(100%, 17rem); object-fit: cover; border: var(--rule-hair) solid var(--color-rule); }
.hero h1 { font-size: var(--text-hero); }
.hero-tags, .chip-row { display: flex; flex-wrap: wrap; gap: var(--space-xs); }
.chip { display: inline-flex; align-items: center; min-block-size: 2rem; padding-inline: var(--space-sm); border: var(--rule-hair) solid var(--color-rule-strong); border-radius: var(--radius-xs); background: var(--color-paper-2); color: var(--color-ink-2); font-size: var(--text-sm); white-space: nowrap; }
.chip--accent { border-color: var(--color-accent); color: var(--color-ink); }
.hero-lede { color: var(--color-ink-2); font-size: var(--text-md); }
.hero-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-xs); }
.fact { padding: var(--space-sm); background: var(--color-paper-2); color: var(--color-ink); border: var(--rule-hair) solid var(--color-rule); }
.fact dt { color: var(--color-muted); font-size: var(--text-sm); }
.fact dd { margin: 0; font-weight: 700; }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-md); }
.trust-line { color: var(--color-muted); font-size: var(--text-sm); }

.info-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); background: var(--color-paper-2); color: var(--color-ink); border: var(--rule-hair) solid var(--color-rule); }
.info-item { padding: var(--space-lg); border-block-end: var(--rule-hair) solid var(--color-rule); }
.info-item dt { color: var(--color-muted); font-size: var(--text-sm); }
.info-item dd { margin: var(--space-xs) 0 0; font-weight: 700; }

.split-stack { display: grid; gap: var(--space-3xl); }
.split-block { display: grid; gap: var(--space-xl); align-items: center; }
.split-block__copy { display: grid; gap: var(--space-md); min-width: 0; }
.split-block figure { min-width: 0; }
.split-block img { aspect-ratio: 16 / 9; inline-size: 100%; object-fit: cover; border: var(--rule-hair) solid var(--color-rule-strong); }
.fact-list { display: grid; gap: var(--space-sm); list-style: none; padding: 0; }
.fact-list li { position: relative; padding-inline-start: var(--space-lg); }
.fact-list li::before { content: ""; position: absolute; inset-inline-start: 0; inset-block-start: 0.7em; inline-size: var(--space-xs); block-size: var(--space-xs); background: var(--color-accent); }

.feature-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-md); }
.feature { display: grid; gap: var(--space-sm); padding: var(--space-lg); background: var(--color-paper-2); color: var(--color-ink); border: var(--rule-hair) solid var(--color-rule); transition: transform var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out); }
.feature:nth-child(2), .feature:nth-child(3) { background: var(--color-paper-3); }
.feature-index { font-family: var(--font-mono); color: var(--color-link); font-size: var(--text-sm); }

.gallery-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-sm); }
.gallery-card { position: relative; padding: 0; border: var(--rule-hair) solid var(--color-rule); background: var(--color-paper-2); color: var(--color-ink); text-align: start; cursor: pointer; overflow: clip; }
.gallery-card img { aspect-ratio: 16 / 9; inline-size: 100%; object-fit: cover; transition: transform var(--dur-short) var(--ease-out), opacity var(--dur-short) var(--ease-out); }
.gallery-card span { display: block; padding: var(--space-sm); font-size: var(--text-sm); }
.gallery-card.is-filtered { display: none; }
.gallery-tabs { display: flex; flex-wrap: wrap; gap: var(--space-xs); margin-block-end: var(--space-lg); }
.gallery-tab { padding-inline: var(--space-md); }
.gallery-tab[aria-selected="true"] { background: var(--color-link); color: var(--color-paper-deep); border-color: var(--color-link); }
.gallery-empty { padding: var(--space-xl); border: var(--rule-hair) solid var(--color-rule); color: var(--color-muted); }

.lightbox-dialog { inline-size: min(calc(100% - 1rem), 74rem); padding: var(--space-sm); }
.lightbox-stage { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: var(--space-xs); }
.lightbox-stage img { inline-size: 100%; max-block-size: 72dvh; object-fit: contain; }
.lightbox-caption { padding: var(--space-sm); color: var(--color-ink-2); }
.lightbox-close { position: absolute; inset-block-start: var(--space-sm); inset-inline-end: var(--space-sm); z-index: var(--z-raised); }
.lightbox-arrow { inline-size: var(--tap-size); }

.download-panel { display: grid; gap: var(--space-lg); padding: var(--space-xl); background: var(--color-paper-3); color: var(--color-ink); border: var(--rule-strong) solid var(--color-action-shadow); }
.download-main { inline-size: 100%; min-block-size: 3.75rem; font-size: var(--text-md); }
.platform-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-lg); }
.platform-card { display: grid; gap: var(--space-md); padding: var(--space-xl); background: var(--color-paper-2); color: var(--color-ink); border: var(--rule-hair) solid var(--color-rule); }
.platform-card--recommended { border-color: var(--color-action-shadow); }
.platform-card .btn { justify-self: start; }
.recommend { color: var(--color-success); font-family: var(--font-mono); font-size: var(--text-sm); }

.steps { counter-reset: step; display: grid; gap: var(--space-md); list-style: none; padding: 0; }
.steps li { counter-increment: step; 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); }
.steps li::before { content: counter(step, decimal-leading-zero); font-family: var(--font-mono); color: var(--color-link); }

.spec-sheet { inline-size: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.spec-sheet th, .spec-sheet td { padding: var(--space-md); text-align: start; border-block-end: var(--rule-hair) solid var(--color-rule); vertical-align: top; }
.spec-sheet th { color: var(--color-muted); font-weight: 400; }

.timeline { display: grid; gap: var(--space-md); }
.timeline details, .faq details { background: var(--color-paper-2); color: var(--color-ink); border: var(--rule-hair) solid var(--color-rule); }
.timeline summary, .faq summary { list-style: none; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-md); align-items: center; min-block-size: var(--tap-size); padding: var(--space-md); font-weight: 700; }
.timeline summary::-webkit-details-marker, .faq summary::-webkit-details-marker { display: none; }
.timeline summary::after, .faq summary::after { content: "+"; font-family: var(--font-mono); color: var(--color-link); }
.timeline details[open] summary::after, .faq details[open] summary::after { content: "−"; }
.accordion-body { padding: 0 var(--space-md) var(--space-lg); color: var(--color-ink-2); }

.review-summary { display: grid; gap: var(--space-lg); padding: var(--space-xl); background: var(--color-paper-3); color: var(--color-ink); border: var(--rule-hair) solid var(--color-rule-strong); }
.review-count { font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 800; color: var(--color-action); }
.review-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-md); }
.review-card { padding: var(--space-lg); background: var(--color-paper-2); color: var(--color-ink); border-block-start: var(--rule-strong) solid var(--color-rule-strong); }
.review-card p + p { margin-block-start: var(--space-md); color: var(--color-muted); font-size: var(--text-sm); }

.guide-layout { display: grid; gap: var(--space-xl); }
.guide-toc { align-self: start; background: var(--color-paper-2); color: var(--color-ink); border: var(--rule-hair) solid var(--color-rule); padding: var(--space-lg); }
.guide-toc ul { display: grid; gap: var(--space-xs); list-style: none; padding: 0; margin-block-start: var(--space-md); }
.guide-toc a { display: flex; align-items: center; min-block-size: var(--tap-size); white-space: nowrap; }
.guide-article { display: grid; gap: var(--space-2xl); min-width: 0; }
.guide-article section { display: grid; gap: var(--space-md); scroll-margin-top: calc(var(--nav-height) + var(--space-lg)); }
.guide-cards { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-md); }
.guide-card { display: grid; gap: var(--space-sm); padding: var(--space-lg); background: var(--color-paper-2); color: var(--color-ink); border: var(--rule-hair) solid var(--color-rule); }

.menu-button:active, .icon-button:active, .gallery-tab:active, .hero-thumb:active, .gallery-card:active, .lightbox-close:active, .lightbox-arrow:active { transform: translateY(var(--space-3xs)); }
.menu-button:disabled, .icon-button:disabled, .gallery-tab:disabled, .hero-thumb:disabled, .gallery-card:disabled, .lightbox-close:disabled, .lightbox-arrow:disabled { opacity: 0.52; cursor: not-allowed; }
.menu-button[data-state="loading"], .icon-button[data-state="loading"], .gallery-tab[data-state="loading"] { cursor: progress; opacity: 0.72; }
.menu-button[data-state="error"], .icon-button[data-state="error"], .gallery-tab[data-state="error"] { border-color: var(--color-error); }
.menu-button[data-state="success"], .icon-button[data-state="success"], .gallery-tab[data-state="success"] { outline: var(--rule-strong) solid var(--color-success); }
.guide-card a { justify-self: start; white-space: nowrap; }
.callout { padding: var(--space-lg); background: var(--color-paper-3); color: var(--color-ink); border: var(--rule-hair) solid var(--color-rule-strong); }

.final-cta { position: relative; overflow: clip; padding-block: var(--space-3xl); background: var(--color-paper-deep); color: var(--color-ink); }
.final-cta__inner { display: grid; gap: var(--space-lg); align-items: end; }
.final-cta .btn { justify-self: start; }

.site-footer { background: var(--color-paper-deep); color: var(--color-ink-2); border-block-start: var(--rule-hair) solid var(--color-rule); padding-block: var(--space-2xl); }
.footer-dense { display: grid; gap: var(--space-lg); font-size: var(--text-sm); }
.footer-brand { color: var(--color-ink); font-family: var(--font-display); font-size: var(--text-lg); font-weight: 800; }
.footer-links { display: flex; flex-wrap: wrap; gap: var(--space-sm) var(--space-lg); }
.footer-links a { white-space: nowrap; }
.legal { color: var(--color-muted); }

.sticky-cta { position: fixed; inset-inline: 0; inset-block-end: 0; z-index: var(--z-sticky); display: flex; align-items: center; justify-content: space-between; gap: var(--space-sm); min-block-size: 4.5rem; padding: var(--space-sm) max(var(--page-gutter), env(safe-area-inset-right)) calc(var(--space-sm) + env(safe-area-inset-bottom)) max(var(--page-gutter), env(safe-area-inset-left)); background: var(--color-paper-deep); color: var(--color-ink); border-block-start: var(--rule-hair) solid var(--color-rule-strong); }
.sticky-copy { min-width: 0; }
.sticky-copy strong, .sticky-copy span { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sticky-copy span { color: var(--color-muted); font-size: var(--text-sm); }
.back-top { position: fixed; inset-inline-end: var(--space-md); inset-block-end: 6rem; z-index: var(--z-sticky); opacity: 0; pointer-events: none; }
.back-top.is-visible { opacity: 1; pointer-events: auto; }

@media (hover: hover) and (pointer: fine) {
  a:hover { color: var(--color-link-hover); }
  .btn:hover { background: var(--color-action-hover); color: var(--color-action-ink); transform: translateY(calc(var(--space-3xs) * -1)); }
  .btn:hover::after { transform: translateX(120%); transition: transform var(--dur-mid) var(--ease-out); }
  .btn--secondary:hover { background: var(--color-paper-3); color: var(--color-ink); }
  .feature:hover { transform: translateY(calc(var(--space-3xs) * -1)); background: var(--color-paper-3); }
  .gallery-card:hover img { opacity: 0.9; transform: translateY(calc(var(--space-3xs) * -1)); }
  .menu-button:hover, .icon-button:hover, .gallery-tab:hover { background: var(--color-paper-3); }
}

@media (min-width: 40rem) {
  .wordmark-full { display: inline; }
  .wordmark-short { display: none; }
  h1 { font-size: var(--text-display); }
  .hero-grid { padding-block: var(--space-lg) var(--space-xl); }
  .info-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feature:first-child { grid-row: span 2; align-content: end; }
  .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .platform-grid, .guide-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .review-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .final-cta__inner { grid-template-columns: minmax(0, 1fr) auto; }
}

@media (min-width: 60rem) {
  .hero-grid { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); align-items: start; }
  .hero-copy { padding-inline-start: var(--space-lg); }
  .info-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .info-item { border-block-end: 0; border-inline-end: var(--rule-hair) solid var(--color-rule); }
  .info-item:last-child { border-inline-end: 0; }
  .split-block { grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); }
  .split-block:nth-child(even) .split-block__copy { order: 2; }
  .split-block:nth-child(even) figure { order: 1; }
  .gallery-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .guide-layout { grid-template-columns: minmax(14rem, 1fr) minmax(0, 3fr); }
  .guide-toc { position: sticky; inset-block-start: calc(var(--nav-height) + var(--space-lg)); }
}

@media (pointer: coarse) {
  .btn, .menu-button, .icon-button, .gallery-tab, .lightbox-close, .lightbox-arrow { min-block-size: 3rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: var(--dur-micro) !important; animation-iteration-count: 1 !important; transition-duration: var(--dur-micro) !important; }
  .hero-backdrop img { transform: none; }
  .btn::after { display: none; }
  .btn:hover, .btn:active, .feature:hover, .gallery-card:hover img, .gallery-card:active, .menu-button:active, .icon-button:active, .gallery-tab:active, .hero-thumb:active, .lightbox-close:active, .lightbox-arrow:active { transform: none !important; }
}