/* Hallmark · pre-emit critique: P5 H5 E5 S5 R4 V5
 * Hallmark · macrostructure: Narrative Workflow · genre: atmospheric · theme: custom
 * tone: restrained Japanese horror editorial · audience: Chinese visual-novel players · use: download
 * nav: N13 · footer: Ft2 · enrichment: approved official game still
 * states: default · hover · focus · active · disabled · loading · error · success
 * contrast: pass (40–41) · slop: pass (42–45) · honest: pass (46) · chrome: pass (47)
 * tokens: pass (48) · mobile: pass (34, 49, 50–57)
 */
@import "../../tokens.css";

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; overflow-x: clip; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-height) + var(--space-md)); }
body { min-width: 20rem; background: var(--color-paper); color: var(--color-ink); font-family: var(--font-body); font-size: var(--text-md); line-height: 1.7; }
body.is-locked { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { color: inherit; }
button:active, a:active { opacity: .78; }
button:disabled, [aria-disabled="true"] { opacity: .55; cursor: not-allowed; }
h1, h2, h3 { margin: 0; font-family: var(--font-display); font-style: normal; font-weight: 700; line-height: 1.12; overflow-wrap: anywhere; min-width: 0; }
h1 { font-size: var(--text-display); }
h2 { font-size: clamp(2rem, 5vw, var(--text-4xl)); }
h3 { font-size: var(--text-xl); }
p { margin-block: 0 var(--space-md); }
ul, ol { margin-block: 0; padding-inline-start: 1.2rem; }
:focus-visible { outline: var(--rule-strong) solid var(--color-focus); outline-offset: var(--space-2xs); }
::selection { background: var(--color-accent); color: var(--color-accent-ink); }

.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; }
.skip-link { position: fixed; top: var(--space-sm); left: var(--space-sm); z-index: calc(var(--z-modal) + 1); padding: var(--space-sm) var(--space-md); background: var(--color-accent); color: var(--color-accent-ink); transform: translateY(-200%); }
.skip-link:focus { transform: none; }
.shell { width: min(calc(100% - 2rem), var(--page-max)); margin-inline: auto; }
.section { padding-block: var(--space-4xl); }
.section--night { background: var(--color-night); color: var(--color-night-ink); }
.section-head { display: flex; flex-direction: column; gap: var(--space-sm); margin-bottom: var(--space-2xl); max-width: 48rem; }
.section-head p { margin: 0; color: var(--color-accent-deep); font-weight: 700; }
.section--night .section-head p { color: var(--color-cyan); }
.section-head > span { color: var(--color-muted); max-width: 62ch; }
.section--night .section-head > span { color: var(--color-paper-3); }
.eyeline { display: flex; flex-wrap: wrap; gap: var(--space-xs); }
.tag { display: inline-flex; align-items: center; min-height: 2rem; padding: var(--space-2xs) var(--space-sm); border: var(--rule-hair) solid currentColor; border-radius: var(--radius-pill); font-size: var(--text-sm); white-space: nowrap; }

.site-header { position: fixed; inset: 0 0 auto; z-index: var(--z-sticky-nav); height: var(--nav-height); padding: var(--space-sm) var(--space-md); pointer-events: none; }
.nav-bar { width: min(100%, 75rem); height: 100%; margin-inline: auto; display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: var(--space-md); padding: var(--space-xs) var(--space-sm) var(--space-xs) var(--space-md); background: color-mix(in oklch, var(--color-night) 88%, transparent); color: var(--color-night-ink); border: var(--rule-hair) solid var(--color-rule-dark); border-radius: var(--radius-md); box-shadow: 0 0.6rem 2rem var(--color-shadow); backdrop-filter: blur(16px) saturate(120%); pointer-events: auto; }
.brand { font-family: var(--font-display); font-weight: 700; white-space: nowrap; }
.brand span { color: var(--color-accent); }
.search-pill { justify-self: center; width: min(100%, 25rem); min-height: 2.75rem; display: flex; align-items: center; gap: var(--space-sm); padding-inline: var(--space-md); border: var(--rule-hair) solid var(--color-rule-dark); border-radius: var(--radius-pill); background: var(--color-night-2); color: var(--color-paper-3); cursor: pointer; transition: transform var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out); }
.search-pill:hover { border-color: var(--color-cyan); }
.search-pill:active { transform: translateY(1px); }
.search-pill:disabled, .btn:disabled, .btn[aria-disabled="true"] { opacity: .55; cursor: not-allowed; pointer-events: none; }
.search-pill__icon { width: 1rem; height: 1rem; border: var(--rule-strong) solid currentColor; border-radius: var(--radius-pill); position: relative; flex: 0 0 auto; }
.search-pill__icon::after { content: ""; position: absolute; width: .4rem; height: var(--rule-strong); right: -.3rem; bottom: -.12rem; background: currentColor; transform: rotate(45deg); }
.search-pill__text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.search-pill kbd { margin-left: auto; padding-inline: var(--space-xs); border: var(--rule-hair) solid var(--color-rule-dark); border-radius: var(--radius-sm); font-size: var(--text-xs); white-space: nowrap; }
.nav-actions { display: flex; align-items: center; gap: var(--space-xs); }
.nav-link { min-height: 2.75rem; display: inline-flex; align-items: center; padding-inline: var(--space-sm); font-size: var(--text-sm); white-space: nowrap; }
.nav-link:hover { color: var(--color-cyan); }
.menu-toggle { display: none; width: 2.75rem; height: 2.75rem; border: var(--rule-hair) solid var(--color-rule-dark); background: var(--color-night-2); border-radius: var(--radius-sm); cursor: pointer; position: relative; }
.menu-toggle::before, .menu-toggle::after { content: ""; position: absolute; left: .75rem; right: .75rem; height: var(--rule-strong); background: var(--color-night-ink); transition: transform var(--dur-short) var(--ease-out); }
.menu-toggle::before { top: 1rem; }
.menu-toggle::after { bottom: 1rem; }
.menu-toggle[aria-expanded="true"]::before { transform: translateY(.34rem) rotate(45deg); }
.menu-toggle[aria-expanded="true"]::after { transform: translateY(-.34rem) rotate(-45deg); }
.mobile-nav { display: none; width: min(calc(100% - 2rem), 28rem); margin: var(--space-xs) auto 0; padding: var(--space-sm); background: var(--color-night); color: var(--color-night-ink); border: var(--rule-hair) solid var(--color-rule-dark); border-radius: var(--radius-md); pointer-events: auto; box-shadow: 0 1rem 2.5rem var(--color-shadow); }
.mobile-nav.is-open { display: grid; }
.mobile-nav a { min-height: 2.75rem; display: flex; align-items: center; padding-inline: var(--space-sm); white-space: nowrap; }

.btn { min-height: 2.9rem; display: inline-flex; align-items: center; justify-content: center; gap: var(--space-xs); padding: var(--space-sm) var(--space-lg); border: var(--rule-hair) solid transparent; border-radius: var(--radius-sm); font-weight: 800; white-space: nowrap; cursor: pointer; position: relative; overflow: hidden; transition: transform var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out); }
.btn:hover { transform: none; }
.btn:active { transform: translateY(1px); }
.btn--accent { background: var(--color-accent); color: var(--color-accent-ink); }
.btn--accent:hover { background: var(--color-accent-deep); }
.btn--outline { border-color: currentColor; background: transparent; }
.btn--outline:hover { background: var(--color-paper-2); }
.section--night .btn--outline:hover { background: var(--color-night-2); }
.btn--shine::after { content: ""; position: absolute; inset: -40% auto -40% -30%; width: 22%; background: linear-gradient(90deg, transparent, var(--color-shine), transparent); transform: skewX(-18deg); animation: shine 3.6s var(--ease-in-out) infinite; }
.btn[data-state="loading"]::before { content: ""; width: 1rem; height: 1rem; border: var(--rule-strong) solid currentColor; border-right-color: transparent; border-radius: var(--radius-pill); animation: spin .8s linear infinite; }
.btn[data-state="error"] { background: var(--color-error); color: var(--color-state-ink); }
.btn[data-state="success"] { background: var(--color-success); color: var(--color-state-ink); }

.hero { min-height: min(52rem, 100dvh); position: relative; display: grid; align-items: end; overflow: hidden; background: var(--color-night); color: var(--color-night-ink); padding: calc(var(--nav-height) + var(--space-xl)) var(--space-md) calc(var(--space-4xl) + var(--space-2xl)); }
.hero-media { position: absolute; inset: -3%; width: 106%; height: 106%; object-fit: cover; transform: scale(1.02); animation: hero-breathe 18s var(--ease-in-out) infinite alternate; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, var(--color-hero-overlay), color-mix(in oklch, var(--color-hero-overlay) 42%, transparent)); }
.hero__inner { position: relative; z-index: 2; width: min(100%, var(--page-max)); margin-inline: auto; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(18rem, .8fr); gap: var(--space-2xl); align-items: end; }
.hero__copy { max-width: 50rem; min-width: 0; }
.hero__copy h1 span { display: block; margin-top: var(--space-xs); font-family: var(--font-body); font-size: clamp(1rem, 2vw, 1.4rem); letter-spacing: .08em; color: var(--color-cyan); }
.hero__lede { margin-block: var(--space-lg); max-width: 54ch; font-size: var(--text-lg); color: var(--color-paper-2); }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); }
.dialogue { padding: var(--space-lg); background: color-mix(in oklch, var(--color-night) 90%, transparent); border: var(--rule-hair) solid var(--color-rule-dark); border-top: .25rem solid var(--color-accent); box-shadow: 0 1rem 3rem var(--color-shadow); backdrop-filter: blur(10px); }
.dialogue__speaker { display: inline-block; margin-bottom: var(--space-xs); color: var(--color-gold); font-weight: 800; }
.dialogue p { font-family: var(--font-display); font-size: var(--text-lg); line-height: 1.55; }
.choice-list { display: grid; gap: var(--space-xs); }
.choice-list a { min-height: 2.75rem; display: flex; align-items: center; justify-content: space-between; padding-inline: var(--space-md); border: var(--rule-hair) solid var(--color-rule-dark); background: var(--color-night-2); white-space: nowrap; transition: transform var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out); }
.choice-list a:hover { transform: translateX(.25rem); }

.info-band { position: relative; z-index: 3; margin-top: calc(var(--space-xl) * -1); }
.info-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); background: var(--color-paper); border: var(--rule-hair) solid var(--color-rule); box-shadow: 0 1rem 2.5rem var(--color-shadow-soft); }
.info-grid > div { min-width: 0; padding: var(--space-lg); border-right: var(--rule-hair) solid var(--color-rule); }
.info-grid > div:last-child { border-right: 0; }
.info-grid span, .spec-row dt { display: block; color: var(--color-muted); font-size: var(--text-sm); }
.info-grid strong { display: block; margin-top: var(--space-xs); overflow-wrap: anywhere; }

.story-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: var(--space-3xl); align-items: start; }
.story-note { position: sticky; top: calc(var(--nav-height) + var(--space-xl)); padding: var(--space-xl); background: var(--color-night); color: var(--color-night-ink); border-top: .25rem solid var(--color-gold); }
.story-note strong { color: var(--color-gold); }
.story-copy { font-size: var(--text-lg); }
.story-copy p { max-width: 62ch; }

.workflow { list-style: none; padding: 0; display: grid; }
.workflow__stage { display: grid; grid-template-columns: 7rem minmax(0, .8fr) minmax(0, 1.2fr); gap: var(--space-xl); padding-block: var(--space-2xl); border-top: var(--rule-strong) solid var(--color-rule-dark); align-items: center; }
.workflow__stage:last-child { border-bottom: var(--rule-strong) solid var(--color-rule-dark); }
.stage-no { font-family: var(--font-display); font-size: var(--text-3xl); color: var(--color-cyan); }
.workflow__visual { min-width: 0; aspect-ratio: 16 / 9; overflow: hidden; background: var(--color-night-2); }
.workflow__visual img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-long) var(--ease-out); }
.workflow__stage:hover img { transform: scale(1.025); }

.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-md); }
.feature-card { padding: var(--space-xl); background: var(--color-paper); border: var(--rule-hair) solid var(--color-rule); transition: transform var(--dur-medium) var(--ease-out), box-shadow var(--dur-medium) var(--ease-out), border-color var(--dur-medium) var(--ease-out); }
.feature-card:hover { box-shadow: 0 1.25rem 3rem var(--color-shadow-soft); }
.feature-card__mark { width: 2.75rem; height: 2.75rem; display: grid; place-items: center; margin-bottom: var(--space-lg); border: var(--rule-strong) solid var(--color-accent); color: var(--color-accent-deep); font-family: var(--font-display); font-weight: 700; }

.media-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-md); }
.media-card { min-width: 0; padding: 0; border: 0; background: var(--color-night-2); color: var(--color-night-ink); text-align: left; cursor: zoom-in; overflow: hidden; position: relative; }
.media-card--wide { grid-column: span 2; }
.media-card img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; transition: transform var(--dur-medium) var(--ease-out), filter var(--dur-medium) var(--ease-out); }
.media-card:hover img { transform: scale(1.025); }
.media-card span { position: absolute; inset: auto var(--space-md) var(--space-md); padding: var(--space-xs) var(--space-sm); background: var(--color-night); color: var(--color-night-ink); font-size: var(--text-sm); }
.tabs { display: flex; flex-wrap: wrap; gap: var(--space-xs); margin-bottom: var(--space-xl); }
.tab { min-height: 2.75rem; padding-inline: var(--space-md); border: var(--rule-hair) solid var(--color-rule); background: var(--color-paper); border-radius: var(--radius-pill); cursor: pointer; white-space: nowrap; }
.tab:hover, .tab[aria-selected="true"] { border-color: var(--color-accent); background: var(--color-accent); color: var(--color-accent-ink); }
.gallery-item[hidden] { display: none; }

.download-showcase { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(20rem, .9fr); gap: var(--space-2xl); align-items: stretch; }
.download-copy { padding: var(--space-2xl); border: var(--rule-hair) solid var(--color-rule-dark); background: var(--color-night-2); }
.download-ticket { padding: var(--space-2xl); background: var(--color-paper); color: var(--color-ink); border-top: .35rem solid var(--color-accent); display: flex; flex-direction: column; justify-content: space-between; gap: var(--space-lg); }
.download-ticket strong { font-family: var(--font-display); font-size: var(--text-3xl); }
.ticket-meta { display: grid; gap: var(--space-xs); }
.ticket-meta span { display: flex; justify-content: space-between; gap: var(--space-md); padding-bottom: var(--space-xs); border-bottom: var(--rule-hair) solid var(--color-rule); }
.ticket-meta b { text-align: right; }

.update-list { display: grid; gap: 0; }
.update-item { display: grid; grid-template-columns: 10rem minmax(0, 1fr); gap: var(--space-xl); padding-block: var(--space-xl); border-top: var(--rule-hair) solid var(--color-rule); }
.update-item time { color: var(--color-accent-deep); font-weight: 800; }
.update-item summary { cursor: pointer; font-weight: 800; list-style: none; }
.update-item summary::-webkit-details-marker { display: none; }
.update-item summary::after { content: "+"; float: right; color: var(--color-accent-deep); }
.update-item[open] summary::after { content: "−"; }
.update-item p { margin-top: var(--space-md); color: var(--color-muted); }

.review-summary { display: grid; grid-template-columns: 18rem minmax(0, 1fr); gap: var(--space-2xl); margin-bottom: var(--space-2xl); padding: var(--space-xl); background: var(--color-night); color: var(--color-night-ink); }
.review-score strong { display: block; font-family: var(--font-display); font-size: var(--text-display); color: var(--color-cyan); line-height: 1; }
.review-score small { color: var(--color-paper-3); }
.review-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-md); }
.review-card { padding: var(--space-xl); border-top: .25rem solid var(--color-accent); background: var(--color-paper-2); }

.faq-layout { display: grid; grid-template-columns: minmax(14rem, .38fr) minmax(0, 1fr); gap: var(--space-3xl); align-items: start; }
.faq-layout .section-head { position: sticky; top: calc(var(--nav-height) + var(--space-xl)); }
.accordion { border-top: var(--rule-hair) solid var(--color-rule); }
.accordion article { border-bottom: var(--rule-hair) solid var(--color-rule); }
.accordion button { width: 100%; min-height: 4.25rem; display: flex; align-items: center; justify-content: space-between; gap: var(--space-md); padding: var(--space-md) 0; border: 0; background: transparent; text-align: left; font-weight: 800; cursor: pointer; }
.accordion button span { overflow-wrap: anywhere; }
.accordion button i { width: 1.25rem; height: 1.25rem; flex: 0 0 auto; position: relative; }
.accordion button i::before, .accordion button i::after { content: ""; position: absolute; inset: 50% 0 auto; height: var(--rule-strong); background: var(--color-accent-deep); }
.accordion button i::after { transform: rotate(90deg); transition: transform var(--dur-short) var(--ease-out); }
.accordion button[aria-expanded="true"] i::after { transform: rotate(0); }
.accordion-panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows var(--dur-medium) var(--ease-out); }
.accordion button[aria-expanded="true"] + .accordion-panel { grid-template-rows: 1fr; }
.accordion-panel > div { overflow: hidden; }
.accordion-panel p { padding: 0 var(--space-2xl) var(--space-lg) 0; color: var(--color-muted); }

.platform-grid, .guide-grid, .spec-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-md); }
.platform-card, .guide-card, .spec-card { padding: var(--space-xl); border: var(--rule-hair) solid var(--color-rule); background: var(--color-paper); }
.platform-card--recommended { border-top: .35rem solid var(--color-accent); }
.platform-card[aria-disabled="true"] { opacity: .58; }
.guide-card { display: flex; flex-direction: column; align-items: flex-start; gap: var(--space-md); }
.guide-card .btn { margin-top: auto; }
.spec-row { display: grid; grid-template-columns: minmax(7rem, .35fr) minmax(0, 1fr); gap: var(--space-md); padding-block: var(--space-sm); border-bottom: var(--rule-hair) solid var(--color-rule); }
.spec-row dd { margin: 0; overflow-wrap: anywhere; }
.steps { list-style: none; padding: 0; counter-reset: guide-step; }
.steps li { counter-increment: guide-step; display: grid; grid-template-columns: 4rem minmax(0, 1fr); gap: var(--space-lg); padding-block: var(--space-xl); border-top: var(--rule-strong) solid var(--color-rule); }
.steps li::before { content: "0" counter(guide-step); font-family: var(--font-display); font-size: var(--text-2xl); color: var(--color-accent-deep); }
.article-layout { display: grid; grid-template-columns: 16rem minmax(0, 1fr); gap: var(--space-3xl); align-items: start; }
.toc { position: sticky; top: calc(var(--nav-height) + var(--space-xl)); padding: var(--space-lg); border: var(--rule-hair) solid var(--color-rule); background: var(--color-paper-2); }
.toc strong { display: block; margin-bottom: var(--space-sm); }
.toc a { display: block; padding-block: var(--space-xs); color: var(--color-muted); }
.toc a:hover { color: var(--color-accent-deep); }
.article-body { min-width: 0; }
.article-body section { margin-bottom: var(--space-3xl); }
.article-body h2 { margin-bottom: var(--space-lg); font-size: var(--text-3xl); }
.article-body h3 { margin-block: var(--space-xl) var(--space-sm); }
.article-body p, .article-body li { max-width: 72ch; }
.article-body table { width: 100%; border-collapse: collapse; }
.article-body th, .article-body td { padding: var(--space-sm); border-bottom: var(--rule-hair) solid var(--color-rule); text-align: left; vertical-align: top; }
.notice { padding: var(--space-lg); border-top: .25rem solid var(--color-gold); background: var(--color-paper-2); }

.final-cta { background: var(--color-night); color: var(--color-night-ink); text-align: center; }
.final-cta .shell { max-width: 52rem; }
.final-cta p { margin-inline: auto; max-width: 60ch; }
.final-cta__actions { display: flex; justify-content: center; flex-wrap: wrap; gap: var(--space-sm); margin-top: var(--space-xl); }
.final-cta .btn--outline:hover { background: var(--color-accent); color: var(--color-accent-ink); }

.site-footer { padding: var(--space-2xl) var(--space-md) calc(var(--space-4xl) + var(--space-lg) + env(safe-area-inset-bottom)); background: var(--color-night); color: var(--color-night-ink); }
.footer-line { width: min(100%, var(--page-max)); margin-inline: auto; padding-top: var(--space-lg); border-top: var(--rule-hair) solid var(--color-rule-dark); display: flex; flex-wrap: wrap; gap: var(--space-md) var(--space-xl); align-items: center; }
.footer-brand { font-family: var(--font-display); font-size: var(--text-xl); }
.footer-links { display: flex; flex-wrap: wrap; gap: var(--space-xs) var(--space-lg); }
.footer-links a { white-space: nowrap; color: var(--color-paper-3); }
.footer-links a:hover { color: var(--color-cyan); }
.footer-note { width: 100%; color: var(--color-paper-3); font-size: var(--text-sm); }

.sticky-cta { position: fixed; inset: auto var(--space-md) var(--space-md); z-index: var(--z-sticky); min-height: 3.6rem; display: flex; align-items: center; justify-content: space-between; gap: var(--space-md); padding: var(--space-xs) var(--space-xs) var(--space-xs) var(--space-lg); background: var(--color-night); color: var(--color-night-ink); border: var(--rule-hair) solid var(--color-rule-dark); box-shadow: 0 1rem 3rem var(--color-shadow); }
.sticky-cta span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.back-top { position: fixed; right: var(--space-md); bottom: 5.2rem; z-index: var(--z-sticky); width: 2.75rem; height: 2.75rem; border: var(--rule-hair) solid var(--color-rule); background: var(--color-paper); border-radius: var(--radius-pill); cursor: pointer; opacity: 0; pointer-events: none; transform: translateY(.5rem); transition: opacity var(--dur-short) var(--ease-out), transform var(--dur-short) var(--ease-out); }
.back-top.is-visible { opacity: 1; pointer-events: auto; transform: none; }

.modal { position: fixed; inset: 0; z-index: var(--z-modal); display: grid; place-items: start center; padding: 12vh var(--space-md) var(--space-md); visibility: hidden; opacity: 0; transition: opacity var(--dur-medium) var(--ease-out), visibility var(--dur-medium) var(--ease-out); }
.modal.is-open { visibility: visible; opacity: 1; }
.modal__backdrop { position: absolute; inset: 0; background: var(--color-overlay); }
.modal__panel { position: relative; z-index: 2; width: min(38rem, 100%); max-height: 76vh; overflow: auto; background: var(--color-paper); color: var(--color-ink); border-top: .25rem solid var(--color-accent); box-shadow: 0 2rem 5rem var(--color-shadow); transform: translateY(-.6rem); transition: transform var(--dur-medium) var(--ease-out); }
.modal.is-open .modal__panel { transform: none; }
.search-field { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-sm); padding: var(--space-md); border-bottom: var(--rule-hair) solid var(--color-rule); }
.search-field input { width: 100%; min-height: 2.75rem; padding-inline: var(--space-md); border: var(--rule-hair) solid var(--color-rule); outline: var(--rule-strong) solid transparent; background: var(--color-paper-2); }
.search-field input:focus { outline-color: var(--color-focus); outline-offset: var(--space-2xs); }
.modal-close { width: 2.75rem; height: 2.75rem; border: var(--rule-hair) solid var(--color-rule); background: var(--color-paper); cursor: pointer; }
.search-results { padding: var(--space-sm); }
.search-results a { min-height: 3.2rem; display: grid; grid-template-columns: 6rem minmax(0, 1fr); align-items: center; gap: var(--space-md); padding-inline: var(--space-md); border-bottom: var(--rule-hair) solid var(--color-rule); }
.search-results a span { color: var(--color-muted); font-size: var(--text-sm); }
.search-results a:hover, .search-results a.is-active { background: var(--color-paper-2); color: var(--color-accent-deep); }
.lightbox { padding: var(--space-md); place-items: center; }
.lightbox__panel { position: relative; z-index: 2; width: min(75rem, 100%); background: var(--color-night); color: var(--color-night-ink); }
.lightbox img { width: 100%; max-height: 80vh; object-fit: contain; }
.lightbox__caption { padding: var(--space-md); }
.lightbox__close, .lightbox__prev, .lightbox__next { position: absolute; z-index: 3; width: 2.75rem; height: 2.75rem; border: var(--rule-hair) solid var(--color-rule-dark); background: var(--color-night); color: var(--color-night-ink); cursor: pointer; }
.lightbox__close { top: var(--space-md); right: var(--space-md); }
.lightbox__prev { left: var(--space-md); top: 50%; }
.lightbox__next { right: var(--space-md); top: 50%; }

.reveal { opacity: 0; transform: translateY(.75rem); transition: opacity var(--dur-long) var(--ease-out), transform var(--dur-long) var(--ease-out); }
.reveal.is-visible { opacity: 1; transform: none; }

@keyframes shine { 0%, 58% { transform: translateX(-250%) skewX(-18deg); } 78%, 100% { transform: translateX(700%) skewX(-18deg); } }
@keyframes spin { to { transform: rotate(1turn); } }
@keyframes hero-breathe { to { transform: scale(1.05); } }

@media (max-width: 64rem) {
  .nav-link { display: none; }
  .menu-toggle { display: block; }
  .hero__inner, .story-grid, .download-showcase, .faq-layout, .article-layout { grid-template-columns: minmax(0, 1fr); }
  .hero { min-height: 48rem; }
  .dialogue { max-width: 36rem; }
  .info-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .info-grid > div:nth-child(3n) { border-right: 0; }
  .info-grid > div:nth-child(-n+3) { border-bottom: var(--rule-hair) solid var(--color-rule); }
  .story-note, .faq-layout .section-head, .toc { position: static; }
  .workflow__stage { grid-template-columns: 5rem minmax(0, 1fr); }
  .workflow__visual { grid-column: 2; }
  .feature-grid, .media-grid, .review-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .review-summary { grid-template-columns: minmax(0, 1fr); }
  .article-layout { gap: var(--space-xl); }
  .toc { display: flex; flex-wrap: wrap; gap: var(--space-xs) var(--space-lg); }
  .toc strong { width: 100%; }
  .toc a { white-space: nowrap; }
}

@media (max-width: 40rem) {
  :root { --nav-height: 4rem; --text-display: clamp(2.25rem, 14vw, 3.5rem); }
  .site-header { padding: var(--space-xs); }
  .nav-bar { grid-template-columns: minmax(0, 1fr) auto auto; gap: var(--space-xs); padding-left: var(--space-sm); }
  .search-pill { width: 2.75rem; padding: 0; justify-content: center; }
  .search-pill__text, .search-pill kbd { display: none; }
  .nav-actions .btn { display: none; }
  .hero { min-height: 44rem; padding-inline: var(--space-md); padding-bottom: var(--space-3xl); }
  .hero::after { background: var(--color-hero-overlay); }
  .hero__inner { gap: var(--space-xl); }
  .hero__lede { font-size: var(--text-md); }
  .hero__actions .btn { flex: 1 1 auto; padding-inline: var(--space-md); }
  .section { padding-block: var(--space-3xl); }
  .info-band { margin-top: 0; }
  .info-band .shell { width: 100%; }
  .info-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .info-grid > div, .info-grid > div:nth-child(3n) { border-right: var(--rule-hair) solid var(--color-rule); border-bottom: var(--rule-hair) solid var(--color-rule); padding: var(--space-md); }
  .info-grid > div:nth-child(2n) { border-right: 0; }
  .info-grid > div:nth-last-child(-n+2) { border-bottom: 0; }
  .workflow__stage { grid-template-columns: minmax(0, 1fr); gap: var(--space-md); }
  .workflow__visual { grid-column: 1; }
  .stage-no { font-size: var(--text-2xl); }
  .feature-grid, .media-grid, .review-grid, .platform-grid, .guide-grid, .spec-grid { grid-template-columns: minmax(0, 1fr); }
  .media-card--wide { grid-column: auto; }
  .update-item { grid-template-columns: minmax(0, 1fr); gap: var(--space-sm); }
  .ticket-meta span { align-items: start; }
  .steps li { grid-template-columns: 3rem minmax(0, 1fr); }
  .article-body table { display: block; overflow-x: auto; }
  .sticky-cta { inset: auto 0 0; min-height: 4.25rem; padding-bottom: calc(var(--space-xs) + env(safe-area-inset-bottom)); }
  .sticky-cta span { display: none; }
  .sticky-cta .btn { width: 100%; }
  .site-footer { padding-bottom: calc(6rem + env(safe-area-inset-bottom)); }
  .modal { padding: 0; }
  .modal__panel { width: 100%; max-height: 100dvh; min-height: 100dvh; border-top: 0; }
  .lightbox__panel { min-height: auto; }
  .lightbox__prev, .lightbox__next { top: auto; bottom: var(--space-md); }
  .footer-line { display: block; }
  .footer-links { margin-block: var(--space-md); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: var(--dur-short) !important; }
  .hero-media { transform: none !important; }
  .reveal { opacity: 1; transform: none; }
}