/* 앱 AppColors.dark / AppPalette의 역할 색상과 타이포그래피를 공유한다. */
:root {
  color-scheme: dark;
  --ink: #050805;
  --background: #0a0f0b;
  --panel: #111811;
  --surface: #162016;
  --cream: #f4fbf2;
  --soft: #e8f2e5;
  --green: #34f06e;
  --green-bright: #63f591;
  --green-deep: #22c455;
  --on-green: #052610;
  --muted: #a3b5a3;
  --line: #233023;
  --dark-line: #1a241a;
  --content: 1264px;
  --body: 'Pretendard Variable', Pretendard, system-ui, sans-serif;
  --display: 'Chakra Petch', var(--body);
  --mono: 'JetBrains Mono', monospace;
  --space: clamp(76px, 8vw, 128px);
  --ease: cubic-bezier(.2,.7,.2,1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; background: var(--background); color: var(--cream); font: 17px/1.7 var(--body); -webkit-font-smoothing: antialiased; }
button, input, select { font: inherit; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
button { color: inherit; border: 0; }
button, summary { cursor: pointer; }
button:disabled { cursor: default; }
img { max-width: 100%; display: block; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { line-height: 1.14; letter-spacing: -.045em; word-break: keep-all; }
h2 { font-size: clamp(36px, 4.5vw, 64px); font-weight: 750; }
h3 { font-size: 28px; }
p { word-break: keep-all; }
::selection { background: var(--green); color: var(--on-green); }
:focus-visible { outline: 3px solid var(--green-bright); outline-offset: 5px; }
[hidden] { display: none !important; }
.container { width: min(var(--content), calc(100% - 96px)); margin-inline: auto; }
.section-pad { padding-block: var(--space); }
.mono { font-family: var(--mono); letter-spacing: -.025em; }
.device-art { object-fit: contain; }
.skip-link { position: fixed; z-index: 20; left: 16px; top: 16px; background: var(--green); color: var(--on-green); padding: 12px 20px; transform: translateY(-160%); }
.skip-link:focus { transform: none; }
.button { min-height: 54px; display: inline-flex; align-items: center; justify-content: center; gap: 24px; padding: 14px 24px; font-size: 16px; font-weight: 650; line-height: 1.4; border: 1px solid #3e543f; transition: transform 180ms var(--ease), background 180ms var(--ease); }
.button span { font-size: 22px; line-height: 1; }
.button.primary { background: var(--green); color: var(--on-green); border-color: var(--green); box-shadow: 4px 4px 0 #159940; }
.button.secondary { background: var(--panel); }
.text-link { display: inline-flex; align-items: center; gap: 14px; font-weight: 600; text-decoration: underline; text-underline-offset: 6px; }
.text-button { padding: 8px 0; background: transparent; text-decoration: underline; text-underline-offset: 4px; font-size: 14px; }
.section-number { color: var(--green-bright); font-size: 12px; letter-spacing: .03em; margin-bottom: 26px; }
.section-heading { margin-bottom: 48px; }
.section-heading > p:last-child { margin-top: 26px; color: var(--muted); max-width: 680px; }
.section-heading h2 { max-width: 900px; }
.small-note { font-size: 13px; line-height: 1.7; }
.index { font-size: 11px; color: var(--muted); }
.site-header { position: sticky; top: 0; z-index: 10; background: #0a0f0bf5; border-bottom: 1px solid var(--line); }
.header-inner { height: 82px; width: min(1440px, calc(100% - 64px)); margin-inline: auto; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { display: inline-flex; gap: 9px; align-items: center; line-height: 1; font-family: var(--display); font-size: 25px; font-weight: 700; letter-spacing: .06em; flex-shrink: 0; }
.brand-mark { width: 36px; height: 36px; }
.desktop-nav { display: flex; gap: 30px; font-size: 14px; font-weight: 550; }
.desktop-nav a:last-child { color: var(--green-bright); }
.header-actions { display: flex; align-items: center; gap: 22px; }
.language { display: flex; gap: 10px; white-space: nowrap; font-size: 13px; font-weight: 650; }
.language [aria-current="page"] { color: var(--green-bright); }
html[lang="ja"] { --body: 'Hiragino Kaku Gothic ProN', 'Yu Gothic', Meiryo, system-ui, sans-serif; }
html[lang="ja"] h1, html[lang="ja"] h2, html[lang="ja"] h3, html[lang="ja"] p { word-break: normal; overflow-wrap: anywhere; }
.header-download { background: var(--green); color: var(--on-green); border-color: var(--green); min-height: 40px; padding: 8px 18px; font-size: 13px; gap: 12px; }
.header-download span { font-size: 17px; }
.mobile-menu { display: none; }
.hero { overflow: hidden; border-bottom: 1px solid var(--line); background: var(--background); }
.hero-content { text-align: center; padding-top: 70px; }
.hero-kicker { display: flex; gap: 9px; align-items: center; justify-content: center; color: var(--green-bright); font-size: 14px; font-weight: 600; }
.hero-kicker > span { height: 7px; width: 7px; background: var(--green); }
.hero h1 { font-size: clamp(44px, 5.8vw, 84px); font-weight: 780; margin-top: 23px; line-height: 1.13; letter-spacing: -.055em; }
.hero h1 > span { color: var(--green); }
.hero-lead { color: var(--muted); margin-top: 25px; font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; margin-top: 30px; }
.hero-guide-link { display: inline-block; color: var(--green-bright); margin-top: 25px; font-size: 13px; text-decoration: underline; text-underline-offset: 5px; }
.availability { font-size: 11px; color: var(--muted); margin-top: 15px; }
.hero-device-controls { min-height: 36px; display: flex; justify-content: flex-end; align-items: center; margin-top: 28px; }
.hero-device-controls button { background: transparent; color: var(--muted); font-size: 11px; padding: 8px 4px; min-height: 36px; text-decoration: none; display: inline-flex; align-items: center; gap: 8px; }
.stage-axis { position: absolute; left: 3%; right: 3%; bottom: 29px; border-top: 1px solid #3e543f; display: flex; justify-content: space-between; padding-top: 11px; color: var(--muted); font-family: var(--display); font-size: 12px; }
.stage-axis span::before { content: ''; height: 5px; width: 5px; background: var(--green-deep); position: absolute; top: -3px; }
.hero-bottom { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--line); font-size: 12px; padding-block: 21px; color: var(--muted); }
.hero-bottom { gap: 24px; }
.hero-region { display: flex; align-items: center; flex-shrink: 0; gap: 8px; font-size: 11px; }
.hero-region label { color: var(--muted); }
.hero-region select { width: 126px; min-height: 36px; padding: 6px 8px; border: 1px solid var(--line); background: var(--panel); color: var(--soft); font: inherit; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
@media (prefers-reduced-motion: no-preference) {
  .hero-device { animation: device-float var(--float-time, 6s) ease-in-out var(--float-delay, 0s) infinite; }
  .hero h1, .hero-lead, .hero-actions { animation: hero-enter 650ms var(--ease) both; }
  .hero-lead { animation-delay: 80ms; }
  .hero-actions { animation-delay: 160ms; }
}
.hero:not([data-motion-ready]) .hero-device, .hero[data-in-view=false] .hero-device { animation-play-state: paused; }
@keyframes device-float { 0%, 100% { translate: 0 4px; } 50% { translate: 0 -12px; } }
@keyframes hero-enter { from { opacity: 0; translate: 0 15px; } to { opacity: 1; translate: 0 0; } }
.quick-guide { background: var(--panel); border-bottom: 1px solid var(--line); }
.guide-heading { display: flex; align-items: end; justify-content: space-between; gap: 44px; }
.guide-heading > p { color: var(--muted); font-size: 16px; padding-bottom: 5px; }
.guide-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; margin-top: 54px; }
.guide-step { min-width: 0; border-top: 1px solid #3e543f; padding-top: 22px; }
.guide-step-copy { min-height: 174px; }
.step-number { font-size: 12px; color: var(--green-bright); }
.guide-step h3 { font-size: 24px; margin-top: 12px; }
.guide-step p { margin-top: 15px; color: var(--muted); font-size: 14px; line-height: 1.8; }
.app-screenshot { position: relative; display: block; background: var(--background); border: 1px solid #2f4230; overflow: hidden; }
.app-screenshot > img { width: 100%; height: auto; }
.screen-enlarge { position: absolute; bottom: 12px; right: 12px; padding: 6px 10px; background: #0a0f0bea; border: 1px solid #3e543f; color: var(--cream); font-size: 10px; line-height: 1.4; }
.guide-step .app-screenshot { width: min(100%, 280px); margin: 22px auto 24px; box-shadow: 10px 10px 0 #05080550; }
.guide-step > .text-link { font-size: 13px; }
.guide-bottom { display: flex; justify-content: space-between; gap: 24px; border-top: 1px solid var(--line); margin-top: 45px; padding-top: 24px; color: var(--muted); font-size: 12px; }
.guide-bottom a { color: var(--green-bright); }
.picker .section-heading { text-align: center; }
.picker .section-heading h2, .picker .section-heading > p:last-child { margin-inline: auto; }
.picker-toolbar { display: flex; align-items: center; justify-content: space-between; padding-block: 18px; border-top: 1px solid var(--line); font-size: 14px; }
.selection-count { font-weight: 600; }
.device-grid { display: grid; grid-template-columns: repeat(6, minmax(0,1fr)); gap: 12px; }
.device-option { position: relative; text-align: left; padding: 20px 14px 18px; background: var(--panel); border: 1px solid var(--line); min-width: 0; transition: border-color 180ms var(--ease), background 180ms var(--ease); }
.device-option[aria-pressed=true] { background: #102b18; border-color: var(--green); }
.device-option .device-art { width: 100%; height: 145px; }
.selection-tick { position: absolute; right: 12px; top: 7px; font-size: 19px; color: var(--muted); }
.device-option[aria-pressed=true] .selection-tick { color: var(--green); }
.device-caption { display: flex; flex-direction: column; gap: 8px; margin-top: 20px; }
.device-caption .mono { font-size: 11px; color: var(--green-bright); }
.release-label { font-family: var(--body); color: var(--muted); }
.device-caption strong { font-size: 13px; line-height: 1.45; font-weight: 600; min-height: 38px; word-break: keep-all; }
.picker-bottom { display: flex; align-items: center; justify-content: space-between; gap: 30px; margin-top: 28px; }
.picker-bottom p, .no-js-note { font-size: 12px; color: var(--muted); }
.selection-feedback { font-size: 13px; line-height: 1.6; color: var(--green-bright); margin-top: 18px; padding-left: 14px; border-left: 2px solid var(--green); }
.selection-feedback:empty { border: 0; padding: 0; margin: 0; min-height: 0; }
.chronicle { background: var(--ink); border-block: 1px solid var(--line); }
.chronicle-layout { display: grid; grid-template-columns: 1fr 1.08fr; gap: 90px; align-items: start; }
.chronicle-intro { position: sticky; top: 130px; }
.chronicle-intro > p:not(.section-number) { margin-top: 27px; color: var(--muted); max-width: 410px; }
.chronicle-intro > .mode-label { font-size: 13px; color: var(--green-bright) !important; border-left: 2px solid var(--green); padding-left: 12px; }
.chronicle-intro .text-link { margin-top: 30px; font-size: 14px; }
.timeline { border-left: 1px solid #3e543f; padding-left: 34px; margin-left: 7px; }
.timeline-entry { position: relative; display: grid; grid-template-columns: 128px minmax(0,1fr); column-gap: 25px; padding-bottom: 42px; margin-bottom: 40px; border-bottom: 1px solid var(--line); }
.timeline-entry:last-child { margin-bottom: 0; border: 0; padding-bottom: 0; }
.timeline-entry::before { content: ''; position: absolute; left: -41px; top: 19px; width: 12px; height: 12px; background: var(--green); box-shadow: 0 0 0 5px var(--ink); }
.timeline-year { grid-column: 1/-1; display: flex; align-items: baseline; gap: 15px; margin-bottom: 20px; }
.timeline-year .mono { font-family: var(--display); font-size: 48px; line-height: 1; color: var(--green); }
.timeline-year > span:last-child { font-size: 11px; color: var(--muted); }
.timeline-art { height: 142px; padding: 10px; background: var(--panel); border: 1px solid var(--line); }
.timeline-art img { height: 100%; width: 100%; }
.timeline-details h3 { font-size: 23px; margin-top: 10px; }
.timeline-details > p { font-size: 13px; color: var(--muted); margin-top: 15px; }
.timeline-details .memo-label { display: block; font-size: 11px; margin-bottom: 5px; }
.timeline-details .memo-text { display: block; font-size: 14px; line-height: 1.7; color: var(--cream); word-break: keep-all; overflow-wrap: anywhere; }
.app-peek { display: grid; grid-template-columns: 1fr 360px; align-items: center; gap: 90px; margin-top: 76px; padding-top: 65px; border-top: 1px solid var(--line); }
.app-peek h3 { font-size: 34px; }
.app-peek p { color: var(--muted); margin-block: 25px; font-size: 16px; }
.app-peek .text-link { font-size: 14px; color: var(--green-bright); }
.timeline-demo { width: 100%; max-width: 340px; margin: 0; justify-self: center; min-width: 0; }
.timeline-demo-viewport { position: relative; aspect-ratio: 1206 / 2622; overflow: hidden; border: 1px solid var(--line); border-radius: 22px; background: var(--background); scrollbar-width: none; touch-action: pan-y; }
.timeline-demo-viewport::-webkit-scrollbar { display: none; }
.timeline-demo[data-ready=true] .timeline-demo-viewport { overflow-y: auto; }
.timeline-demo-stage { position: sticky; top: 0; width: 100%; aspect-ratio: 1206 / 2622; pointer-events: none; }
.timeline-demo-poster, .timeline-demo-stage canvas { display: block; width: 100%; height: 100%; object-fit: contain; }
.timeline-demo-stage canvas { position: absolute; inset: 0; visibility: hidden; }
.timeline-demo[data-ready=true][data-painted=true] canvas { visibility: visible; }
.timeline-demo-spacer { pointer-events: none; }
.timeline-demo-navigation { display: flow-root; min-height: 96px; }
.app-peek .timeline-demo-hint { font-size: 13px; text-align: center; margin: 17px 0 10px; color: var(--green-bright); }
.timeline-demo-controls { display: flex; align-items: center; gap: 12px; }
.timeline-demo-controls button { width: 42px; min-height: 42px; flex-shrink: 0; border: 1px solid var(--line); background: var(--panel); color: var(--cream); font-size: 20px; }
.timeline-demo-controls button:disabled { opacity: .35; cursor: default; }
.timeline-demo-controls input { min-width: 0; width: 100%; accent-color: var(--green); cursor: pointer; }
.timeline-demo figcaption { margin-top: 14px; color: var(--muted); font-size: 11px; text-align: center; }
.app-peek .timeline-demo-error { font-size: 12px; margin: 12px 0 0; }
.stories { background: var(--panel); }
.stories-heading { display: flex; justify-content: space-between; align-items: end; gap: 55px; }
.stories-heading > p { font-size: 15px; color: var(--muted); max-width: 450px; }
.tabs { display: flex; border-bottom: 1px solid #3e543f; margin-top: 35px; }
.tabs button { padding: 15px 20px; background: transparent; font-size: 14px; border-bottom: 2px solid transparent; margin-bottom: -1px; color: var(--muted); }
.tabs button[aria-selected=true] { color: var(--green-bright); border-color: var(--green); }
.story-panel { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: center; min-height: 370px; margin-top: 48px; }
.story-panel > * { min-width: 0; }
.story-object { min-height: 350px; position: relative; display: flex; align-items: center; justify-content: center; border: 1px solid #2f4230; background: var(--background); }
.story-object img { width: 260px; height: 260px; transform: rotate(-10deg); }
.story-object > span { position: absolute; left: 24px; bottom: 14px; font: 38px/1 var(--display); color: var(--muted); }
.story-writing h3 { font-size: 36px; }
.story-body { font-size: 21px; line-height: 1.9; color: var(--soft); margin-top: 25px; max-width: 560px; }
.story-signature { display: flex; gap: 15px; align-items: center; border-top: 1px solid #3e543f; padding-top: 22px; margin-top: 35px; font-size: 14px; }
.story-icon { width: 30px; height: 30px; flex-shrink: 0; color: var(--green); }
.story-signature small { display: block; color: var(--muted); font-size: 11px; margin-top: 4px; }
.studio { background: var(--background); border-block: 1px solid var(--line); }
.studio-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: start; }
.studio-controls { position: sticky; top: 115px; }
.studio-controls .tabs { margin-top: 0; }
.studio-controls .tabs button { flex: 1; padding-inline: 12px; }
.studio #studio-panel { padding-top: 38px; }
.studio #studio-panel h3 { font-size: 32px; }
.studio #studio-description { color: var(--muted); font-size: 17px; line-height: 1.85; margin-top: 25px; min-height: 96px; }
.studio-steps { list-style: decimal-leading-zero; padding-left: 28px; font-size: 14px; line-height: 2.3; margin-block: 30px; }
.studio-steps li::marker { color: var(--green-bright); font-family: var(--mono); font-size: 12px; }
.preview-note { font-size: 12px; color: var(--muted); margin-bottom: 28px; }
.studio-canvas { padding: 26px 38px 24px; background-color: var(--ink); background-image: radial-gradient(#233023 1px, transparent 1px); background-size: 16px 16px; border: 1px solid var(--line); text-align: center; }
.canvas-label { display: block; font-size: 11px; letter-spacing: .1em; color: var(--muted); margin-bottom: 24px; }
.studio-app-preview { max-width: 348px; margin-inline: auto; }
.studio-app-preview figcaption { margin-top: 22px; color: var(--muted); font-size: 12px; }
.discover { overflow: hidden; }
.discover-heading { display: flex; align-items: end; justify-content: space-between; gap: 40px; }
.catalog-number { display: flex; flex-direction: column; align-items: flex-end; }
.catalog-number strong { font: 600 clamp(46px,5vw,76px)/1.1 var(--display); letter-spacing: -.05em; color: var(--green); }
.catalog-number > span { font-size: 15px; margin-top: 8px; }
.catalog-number small { font-size: 10px; color: var(--muted); margin-top: 12px; }
.catalog-tabs { display: flex; gap: 8px; margin-top: 44px; flex-wrap: wrap; }
.catalog-tabs button { padding: 8px 17px; font-size: 13px; border: 1px solid #3e543f; background: transparent; min-height: 40px; }
.catalog-tabs button[aria-pressed=true] { background: var(--green); color: var(--on-green); border-color: var(--green); }
.catalog-window { margin-top: 24px; }
.catalog-track { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: thin; scrollbar-color: #3e543f var(--background); gap: 12px; padding-bottom: 14px; }
.catalog-device { flex: 0 0 calc((100% - 48px)/5); background: var(--panel); border: 1px solid var(--line); padding: 22px 18px; scroll-snap-align: start; display: flex; flex-direction: column; min-width: 0; }
.catalog-device img { width: 100%; height: 150px; }
.catalog-device strong { font-size: 14px; margin-top: 20px; line-height: 1.4; }
.catalog-device .mono { font-size: 11px; color: var(--muted); margin-top: 8px; }
.catalog-bottom { display: flex; align-items: center; justify-content: space-between; margin-top: 20px; gap: 30px; }
.catalog-bottom p { font-size: 12px; color: var(--muted); }
.gallery-arrows { display: flex; gap: 8px; }
.gallery-arrows button { border: 1px solid #3e543f; width: 44px; height: 44px; font-size: 23px; background: transparent; }
.gallery-arrows button:disabled { opacity: .4; }
.lounge-invite { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: center; border-top: 1px solid var(--line); padding-top: 75px; margin-top: 65px; }
.lounge-invite h3 { font-size: 36px; line-height: 1.2; }
.lounge-invite p { color: var(--muted); margin-block: 23px; max-width: 520px; }
.lounge-visual { height: 280px; background: var(--panel); border: 1px solid var(--line); position: relative; display: flex; align-items: center; justify-content: center; }
.lounge-visual .device-art { height: 220px; width: 220px; transform: rotate(-14deg) translate(14px,15px); }
.lounge-quote { position: absolute; z-index: 1; top: 30px; left: 25px; font-size: 20px; font-weight: 650; padding: 10px 17px; background: var(--green); color: var(--on-green); transform: rotate(-5deg); box-shadow: 5px 5px 0 #159940; line-height: 1.4; }
.lounge-example { position: absolute; bottom: 15px; right: 20px; font-size: 10px; color: var(--muted); }
.trust { background: var(--panel); border-block: 1px solid var(--line); }
.trust-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 55px; margin-top: 60px; }
.trust-grid article { border-top: 1px solid #3e543f; padding-top: 18px; }
.trust-grid article > span { color: var(--green-bright); font-size: 12px; }
.trust-grid h3 { font-size: 25px; margin-top: 24px; }
.trust-grid p { font-size: 15px; color: var(--muted); margin-top: 20px; line-height: 1.85; }
.trust .text-link { font-size: 13px; margin-top: 35px; }
.closing { padding-bottom: 0; }
.faq-layout { display: grid; grid-template-columns: 1fr 1.2fr; gap: 90px; }
.faq-layout h2 { font-size: 44px; line-height: 1.2; }
.faq-list details { border-top: 1px solid #3e543f; }
.faq-list details:last-child { border-bottom: 1px solid #3e543f; }
.faq-list summary { list-style: none; padding: 23px 0; display: flex; justify-content: space-between; gap: 25px; line-height: 1.5; font-size: 16px; font-weight: 600; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { font-size: 22px; line-height: 1.1; transition: transform 180ms var(--ease); color: var(--green-bright); }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { padding: 0 35px 26px 0; font-size: 15px; line-height: 1.85; color: var(--muted); }
.final-cta { padding-block: 100px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 50px; border-top: 1px solid var(--line); margin-top: 100px; }
.final-cta .hero-kicker { justify-content: start; margin-bottom: 26px; }
.final-cta h2 { font-size: clamp(42px,5.1vw,72px); }
.final-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-top: 36px; }
.download-qrs { display: flex; flex-wrap: wrap; gap: 16px; }
.download-qr { padding: 20px; border: 1px solid #3e543f; text-align: center; flex-shrink: 0; }
.download-qr img { width: 148px; height: 148px; }
.download-qr figcaption { font-size: 11px; margin-top: 14px; color: var(--muted); }
.site-footer { background: var(--ink); padding-block: 50px 32px; }
.footer-top { display: flex; align-items: center; justify-content: space-between; gap: 35px; }
.footer-top nav { display: flex; flex-wrap: wrap; gap: 22px; font-size: 12px; color: var(--muted); }
.business-info { font-size: 11px; color: var(--muted); margin-top: 35px; line-height: 1.85; }
.footer-bottom { border-top: 1px solid var(--line); margin-top: 34px; padding-top: 22px; font-size: 11px; color: var(--muted); display: flex; gap: 30px; justify-content: space-between; flex-wrap: wrap; }
.screen-open { overflow: hidden; }
.screen-dialog { width: min(560px, calc(100% - 24px)); max-height: calc(100dvh - 24px); padding: 0; color: var(--cream); background: var(--background); border: 1px solid #3e543f; overscroll-behavior: contain; }
.screen-dialog::backdrop { background: #000d; }
.screen-dialog-header { position: sticky; top: 0; background: var(--background); display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 13px 16px; border-bottom: 1px solid var(--line); }
.screen-dialog-header p { font-size: 12px; line-height: 1.5; }
.screen-dialog-header button { flex-shrink: 0; width: 44px; height: 44px; background: var(--surface); font-size: 26px; }
.screen-dialog > img { width: 100%; height: auto; }
.screen-dialog-hint { font-size: 11px; padding: 16px; color: var(--muted); }
html.guide-open { overflow: hidden; }
.guide-open body { position: fixed; top: var(--guide-scroll-offset); inset-inline: 0; width: 100%; }
.guide-dialog { width: min(1040px, calc(100% - 48px)); height: min(880px, calc(100dvh - 48px)); max-width: none; max-height: none; padding: 0; border: 1px solid #3e543f; background: var(--background); color: var(--cream); overflow: hidden; box-shadow: 0 24px 100px #0008; }
.guide-dialog[open] { display: grid; grid-template-rows: auto minmax(0,1fr); }
.guide-dialog::backdrop { background: #000c; }
.guide-dialog-toolbar { min-width: 0; background: var(--panel); border-bottom: 1px solid #3e543f; }
.guide-dialog-heading { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 24px 32px 20px; }
.guide-dialog-heading h2 { font-size: 25px; letter-spacing: -.025em; }
.guide-dialog-heading p { color: var(--muted); font-size: 12px; margin-top: 7px; }
.guide-dialog-heading button { display: flex; align-items: center; gap: 14px; flex-shrink: 0; min-height: 44px; padding: 8px 14px; background: var(--surface); border: 1px solid #3e543f; font-size: 13px; }
.guide-dialog-heading button span { font-size: 26px; line-height: 1; }
.guide-dialog-nav { display: flex; gap: 6px; overflow-x: auto; overscroll-behavior-x: contain; padding: 0 32px; scrollbar-width: thin; }
.guide-dialog-nav a { flex: 0 0 auto; padding: 12px 16px; font-size: 14px; border-bottom: 2px solid transparent; color: var(--muted); }
.guide-dialog-nav a[aria-current] { color: var(--green-bright); border-color: var(--green); background: var(--surface); }
.guide-dialog-index { display: flex; align-items: center; gap: 16px; padding: 14px 32px; border-top: 1px solid var(--line); }
.guide-dialog-index label { flex-shrink: 0; color: var(--muted); font-size: 12px; }
.guide-dialog-index select { min-width: 0; width: 100%; min-height: 42px; padding: 8px 12px; color: var(--cream); background: var(--background); border: 1px solid #3e543f; font-size: 13px; text-overflow: ellipsis; }
.guide-reader { min-height: 0; overflow: auto; overscroll-behavior: contain; padding: 32px 40px 48px; scrollbar-gutter: stable; }
.guide-reader:focus-visible { outline-offset: -4px; }
.guide-article { max-width: 900px; margin-inline: auto; }
.guide-article-intro { max-width: 700px; margin-bottom: 38px; }
.guide-article-intro h2 { font-size: clamp(27px,3vw,38px); line-height: 1.3; }
.guide-article-intro p { margin-top: 20px; font-size: 17px; line-height: 1.85; color: var(--soft); }
.guide-reader-step { display: grid; grid-template-columns: minmax(0,1fr) 256px; gap: 44px; align-items: start; border-top: 1px solid var(--line); padding-block: 32px; }
.guide-article h3 { font-size: 23px; line-height: 1.4; }
.guide-reader-step p, .guide-reader-note p, .guide-reader-note ol { color: var(--muted); font-size: 16px; line-height: 1.95; margin-top: 18px; }
.guide-reader-step figure { width: 100%; max-width: 280px; justify-self: center; }
.guide-reader-step figcaption { text-align: center; font-size: 11px; color: var(--muted); margin-top: 12px; }
.guide-reader-note { border-top: 1px solid var(--line); padding-block: 30px; }
.guide-reader-note ol { padding-left: 24px; }
.guide-reader-note li + li { margin-top: 10px; }
.guide-reader-note a { color: var(--green-bright); text-decoration: underline; text-underline-offset: 4px; }
.guide-reader-end { border-top: 1px solid var(--line); padding-top: 24px; color: var(--muted); font-size: 13px; }
@media (max-width: 600px) {
  .guide-dialog { width: 100%; height: 100dvh; margin: 0; border: 0; }
  .guide-dialog-heading { padding: max(16px, env(safe-area-inset-top)) 16px 14px; gap: 12px; }
  .guide-dialog-heading h2 { font-size: 21px; }
  .guide-dialog-heading p { font-size: 11px; line-height: 1.5; }
  .guide-dialog-heading button { padding: 8px 12px; gap: 8px; }
  .guide-dialog-nav { padding-inline: 16px; gap: 0; }
  .guide-dialog-nav a { font-size: 12px; padding: 11px 12px; }
  .guide-dialog-index { padding: 10px 16px; gap: 12px; }
  .guide-dialog-index select { font-size: 12px; }
  .guide-reader { padding: 24px 20px max(32px, env(safe-area-inset-bottom)); }
  .guide-article-intro { margin-bottom: 28px; }
  .guide-article-intro h2 { font-size: 27px; }
  .guide-article-intro p { font-size: 15px; }
  .guide-reader-step { grid-template-columns: minmax(0,1fr); gap: 24px; padding-block: 26px; }
  .guide-article h3 { font-size: 21px; }
  .guide-reader-step p, .guide-reader-note p, .guide-reader-note ol { font-size: 15px; line-height: 1.9; }
}
@media (hover: hover) {
  .button:hover { transform: translate(-2px,-2px); }
  .button.primary:hover, .header-download:hover { background: var(--green-bright); }
  .text-link:hover, .desktop-nav a:hover, .footer-top a:hover { color: var(--green-bright); }
  .device-option:not(:disabled):hover { background: var(--surface); border-color: #7f937f; }
  .device-option[aria-pressed=true]:hover { background: #153b20; border-color: var(--green); }
  .hero-device:hover { transform: rotate(0deg) scale(1.06); }
  .catalog-tabs button:not(:disabled):hover, .gallery-arrows button:not(:disabled):hover { border-color: var(--green); }
  .tabs button:not(:disabled):hover { color: var(--cream); background: var(--surface); }
  .app-screenshot:hover { border-color: var(--green); }
}
@media (max-width: 1100px) {
  .container { width: calc(100% - 64px); }
  .desktop-nav { gap: 20px; }
  .chronicle-layout, .studio-layout { gap: 50px; }
  .device-grid { grid-template-columns: repeat(4,minmax(0,1fr)); }
  .guide-grid { gap: 24px; }
  .guide-step h3 { font-size: 21px; }
  .guide-step-copy { min-height: 185px; }
  .studio-canvas { padding-inline: 25px; }
  .story-panel, .lounge-invite { gap: 50px; }
  .trust-grid { gap: 35px; }
}
@media (min-width: 801px) and (max-height: 950px) {
  .hero-content { padding-top: 38px; }
  .hero h1 { font-size: clamp(44px,5.1vw,74px); margin-top: 18px; line-height: 1.1; }
  .hero-lead { font-size: 16px; margin-top: 20px; line-height: 1.6; }
  .hero-actions { margin-top: 23px; }
  .hero-guide-link { margin-top: 22px; }
  .availability { display: inline-block; margin-left: 24px; margin-top: 22px; }
  .hero-device-controls { margin-top: 24px; }
  .stage-axis { bottom: 0; }
  .hero-bottom { padding-block: 16px; }
}
@media (max-width: 800px) {
  html { scroll-padding-top: 88px; }
  .container { width: calc(100% - 48px); }
  .header-inner { height: 68px; width: calc(100% - 40px); gap: 20px; }
  .brand { font-size: 21px; }
  .brand-mark { width: 31px; height: 31px; }
  .desktop-nav { display: none; }
  .header-actions { gap: 18px; }
  .header-download { min-height: 38px; padding: 8px 14px; font-size: 12px; gap: 8px; }
  .mobile-menu { display: block; }
  .mobile-menu summary { display: flex; flex-direction: column; gap: 5px; width: 28px; list-style: none; padding: 12px 2px; }
  .mobile-menu summary::-webkit-details-marker { display: none; }
  .mobile-menu summary span { width: 24px; height: 2px; background: var(--cream); transition: transform 180ms var(--ease); }
  .mobile-menu[open] summary span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .mobile-menu[open] summary span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .mobile-menu nav { position: absolute; top: 68px; left: 0; right: 0; padding: 20px 24px; background: var(--background); border-bottom: 1px solid #3e543f; display: flex; flex-direction: column; gap: 3px; }
  .mobile-menu nav a { padding: 12px; }
  .mobile-menu nav .menu-download { margin-top: 12px; font-size: 14px; min-height: 48px; padding: 13px 18px; justify-content: space-between; }
  .hero-content { padding-top: 58px; }
  .hero h1 { font-size: 60px; }
  .hero-bottom { font-size: 11px; gap: 20px; }
  .guide-heading { display: block; }
  .guide-heading > p { margin-top: 24px; }
  .guide-grid { gap: 20px; margin-top: 36px; }
  .guide-step h3 { font-size: 20px; }
  .guide-step p { font-size: 13px; }
  .guide-step-copy { min-height: 202px; }
  .guide-step .app-screenshot { box-shadow: 5px 5px 0 #05080550; }
  .chronicle-layout { grid-template-columns: 1fr; gap: 45px; }
  .chronicle-intro, .studio-controls { position: static; }
  .chronicle-intro > p:not(.section-number) { max-width: 560px; }
  .timeline { max-width: 660px; }
  .app-peek { gap: 35px; grid-template-columns: 1fr 300px; }
  .app-peek h3 { font-size: 28px; }
  .app-peek p { font-size: 14px; }
  .stories-heading { display: block; }
  .stories-heading > p { margin-top: 25px; max-width: none; }
  .story-panel { gap: 35px; grid-template-columns: .75fr 1fr; min-height: 300px; margin-top: 35px; }
  .story-object { min-height: 280px; }
  .story-object img { height: 210px; width: 210px; }
  .story-body { font-size: 17px; }
  .story-writing h3 { font-size: 28px; }
  .studio-layout { grid-template-columns: 1fr; gap: 45px; }
  .studio #studio-description { min-height: auto; }
  .studio-canvas { max-width: 560px; width: 100%; margin-inline: auto; padding: 26px 38px; }
  .discover-heading { align-items: start; }
  .discover-heading h2 { font-size: 44px; }
  .catalog-number strong { font-size: 50px; }
  .catalog-device { flex-basis: calc((100% - 24px)/3); }
  .lounge-invite { grid-template-columns: .8fr 1fr; gap: 35px; }
  .lounge-invite h3 { font-size: 28px; }
  .lounge-invite p { font-size: 15px; }
  .lounge-quote { font-size: 17px; left: 12px; }
  .trust-grid { gap: 25px; }
  .trust-grid h3 { font-size: 22px; }
  .faq-layout { grid-template-columns: 1fr; gap: 35px; }
  .faq-layout h2 { font-size: 38px; }
  .final-cta { padding-block: 75px; margin-top: 75px; }
  .final-actions { flex-direction: column; align-items: start; gap: 20px; }
  .footer-top { align-items: start; flex-direction: column; gap: 26px; }
}
@media (max-width: 540px) {
  html[lang="ja"] .hero h1 { font-size: clamp(28px, 8.1vw, 42px); }
  body { font-size: 16px; }
  .container { width: calc(100% - 40px); }
  .header-inner { width: calc(100% - 32px); }
  .header-actions { gap: 16px; }
  .header-download { display: none; }
  .brand { font-size: 20px; }
  .language { font-size: 12px; }
  .hero-content { padding-top: 44px; }
  .hero-kicker { font-size: 12px; }
  .hero h1 { font-size: clamp(35px,10.3vw,50px); margin-top: 20px; line-height: 1.18; letter-spacing: -.05em; }
  .hero-lead { font-size: 15px; line-height: 1.8; margin-top: 23px; letter-spacing: -.02em; }
  .hero-actions { flex-direction: column; align-items: stretch; gap: 14px; margin-top: 25px; max-width: 320px; margin-inline: auto; }
  .button { min-height: 50px; font-size: 14px; gap: 20px; padding: 13px 18px; }
  .hero-guide-link { font-size: 12px; margin-top: 23px; }
  .availability { font-size: 10px; margin-top: 14px; }
  .hero-device-controls { margin-top: 22px; }
  .hero-device-controls button { font-size: 10px; }
  .stage-axis { bottom: 8px; left: 1%; right: 1%; font-size: 9px; padding-top: 7px; }
  .hero-bottom { padding-block: 17px; font-size: 10px; }
  .hero-bottom > span { max-width: 138px; }
  .hero-bottom { gap: 16px; }
  .hero-region { gap: 6px; font-size: 10px; }
  .hero-region select { width: 112px; }
  .section-number { font-size: 10px; margin-bottom: 21px; }
  .section-heading { margin-bottom: 34px; }
  .section-heading > p:last-child { margin-top: 22px; font-size: 15px; line-height: 1.8; }
  .guide-heading > p { font-size: 14px; }
  .guide-grid { grid-template-columns: 1fr; gap: 40px; }
  .guide-step { display: grid; grid-template-columns: minmax(0,1fr) 142px; gap: 16px; align-items: start; }
  .guide-step-copy { min-height: 0; }
  .guide-step h3 { font-size: 23px; line-height: 1.25; }
  .guide-step p { font-size: 13px; margin-top: 15px; }
  .guide-step .app-screenshot { grid-column: 2; grid-row: 1/3; width: 142px; margin: 0; }
  .guide-step > .text-link { font-size: 11px; line-height: 1.7; align-self: end; justify-self: start; }
  .screen-enlarge { font-size: 9px; right: 5px; bottom: 5px; padding: 5px 7px; }
  .guide-bottom { flex-direction: column; font-size: 11px; gap: 18px; margin-top: 35px; }
  .picker .section-heading { text-align: left; }
  .picker h2 { font-size: clamp(30px,8.5vw,42px); }
  .picker-toolbar { font-size: 12px; padding-block: 14px; }
  .text-button { font-size: 12px; }
  .device-grid { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 8px; }
  .device-option { padding: 14px 9px 13px; }
  .device-option .device-art { height: 90px; }
  .device-caption { gap: 6px; margin-top: 13px; }
  .device-caption .mono { font-size: 9px; }
  .device-caption strong { font-size: 11px; min-height: 33px; }
  .selection-tick { font-size: 17px; right: 8px; top: 3px; }
  .picker-bottom { align-items: stretch; flex-direction: column; gap: 20px; margin-top: 22px; }
  .picker-bottom p { font-size: 11px; }
  .picker-bottom .button { align-self: start; }
  .chronicle-layout { gap: 35px; }
  .chronicle-intro > p:not(.section-number) { margin-top: 21px; font-size: 15px; }
  .chronicle-intro > p.small-note, .chronicle-intro > p.mode-label { font-size: 12px; }
  .chronicle-intro .text-link { font-size: 12px; margin-top: 23px; }
  .timeline { padding-left: 20px; }
  .timeline-entry { grid-template-columns: 78px minmax(0,1fr); gap: 12px; padding-bottom: 29px; margin-bottom: 28px; }
  .timeline-entry::before { left: -26px; top: 11px; width: 10px; height: 10px; }
  .timeline-year { margin-bottom: 12px; }
  .timeline-year .mono { font-size: 34px; }
  .timeline-year > span:last-child { font-size: 10px; }
  .timeline-art { height: 98px; padding: 5px; }
  .timeline-details h3 { font-size: 18px; line-height: 1.25; }
  .timeline-details > p { font-size: 12px; margin-top: 12px; }
  .timeline .index { font-size: 9px; }
  .app-peek { grid-template-columns: 1fr; margin-top: 43px; padding-top: 40px; gap: 30px; }
  .app-peek h3 { font-size: 27px; }
  .app-peek p { font-size: 14px; margin-block: 20px; }
  .timeline-demo { max-width: 320px; }
  .stories-heading > p { font-size: 14px; }
  .tabs button { font-size: 12px; padding: 13px 11px; }
  .story-panel { grid-template-columns: 1fr; gap: 30px; min-height: 0; margin-top: 30px; }
  .story-object { min-height: 250px; }
  .story-object img { height: 220px; width: 220px; }
  .story-object > span { font-size: 36px; bottom: 15px; }
  .story-writing h3 { font-size: 29px; }
  .story-body { font-size: 17px; margin-top: 20px; }
  .story-signature { margin-top: 24px; padding-top: 18px; }
  .studio .section-heading h2 { font-size: 40px; }
  .studio-layout { gap: 30px; }
  .studio-controls .tabs button { font-size: 12px; padding: 12px 8px; }
  .studio #studio-panel { padding-top: 29px; }
  .studio #studio-panel h3 { font-size: 26px; }
  .studio #studio-description { font-size: 15px; margin-top: 19px; }
  .studio-steps { font-size: 13px; margin-block: 25px; }
  .studio-canvas { padding: 22px 20px; }
  .canvas-label { font-size: 10px; }
  .studio-app-preview { max-width: 290px; }
  .studio-app-preview figcaption { font-size: 11px; }
  .discover-heading { display: block; }
  .discover-heading h2 { font-size: 38px; }
  .catalog-number { align-items: start; margin-top: 35px; }
  .catalog-number strong { font-size: 58px; }
  .catalog-number > span { font-size: 13px; margin-top: 6px; }
  .catalog-number small { font-size: 10px; margin-top: 8px; }
  .catalog-tabs { margin-top: 30px; gap: 7px; }
  .catalog-tabs button { font-size: 12px; padding: 7px 12px; min-height: 38px; }
  .catalog-track { gap: 8px; }
  .catalog-device { flex-basis: calc((100% - 16px)/3); padding: 17px 10px; }
  .catalog-device img { height: 90px; }
  .catalog-device strong { font-size: 11px; margin-top: 16px; }
  .catalog-device .mono { font-size: 10px; }
  .catalog-bottom { gap: 20px; margin-top: 13px; }
  .catalog-bottom p { font-size: 10px; }
  .gallery-arrows { gap: 5px; }
  .gallery-arrows button { width: 35px; height: 35px; font-size: 20px; }
  .lounge-invite { grid-template-columns: 1fr; gap: 32px; padding-top: 44px; margin-top: 43px; }
  .lounge-visual { height: 240px; }
  .lounge-visual .device-art { height: 210px; }
  .lounge-quote { font-size: 21px; left: 23px; top: 27px; }
  .lounge-invite h3 { font-size: 30px; }
  .lounge-invite p { font-size: 15px; margin-block: 20px; }
  .lounge-invite .text-link { font-size: 14px; }
  .trust h2 { font-size: 38px; }
  .trust-grid { grid-template-columns: 1fr; gap: 28px; margin-top: 40px; }
  .trust-grid article { display: grid; grid-template-columns: 30px 1fr; column-gap: 16px; padding-top: 20px; }
  .trust-grid article > span { grid-column: 1; grid-row: 1/3; font-size: 10px; padding-top: 6px; }
  .trust-grid h3 { font-size: 23px; margin-top: 0; grid-column: 2; }
  .trust-grid p { font-size: 14px; margin-top: 13px; grid-column: 2; }
  .trust .text-link { font-size: 12px; margin-top: 32px; }
  .faq-layout { gap: 28px; }
  .faq-layout h2 { font-size: 36px; }
  .faq-list summary { font-size: 14px; padding-block: 21px; gap: 17px; }
  .faq-list details p { font-size: 14px; padding-right: 20px; }
  .final-cta { margin-top: 65px; padding-block: 65px; gap: 0; }
  .final-cta h2 { font-size: clamp(36px,10vw,48px); }
  .final-cta .hero-kicker { font-size: 12px; margin-bottom: 20px; }
  .final-actions { margin-top: 27px; gap: 21px; }
  .download-qrs { display: none; }
  .site-footer { padding-block: 35px 26px; }
  .footer-top nav { gap: 12px 20px; font-size: 11px; }
  .business-info { font-size: 10px; margin-top: 27px; }
  .footer-bottom { font-size: 10px; gap: 15px; margin-top: 25px; padding-top: 20px; }
  .footer-bottom > span { width: 100%; }
}
@media (max-width: 350px) {
  .container { width: calc(100% - 32px); }
  .hero-lead { font-size: 13px; }
  .guide-step { grid-template-columns: minmax(0,1fr) 118px; gap: 12px; }
  .guide-step .app-screenshot { width: 118px; }
  .guide-step h3 { font-size: 21px; }
  .guide-step p { font-size: 12px; }
  .device-option .device-art { height: 75px; }
  .device-caption strong { font-size: 10px; }
  .release-label { display: none; }
  .stories .tabs button { font-size: 11px; padding-inline: 8px; }
  .studio-canvas { padding-inline: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .chronicle-intro, .studio-controls { position: static; }
}

/* 지역별 6종을 크게 배치한 격자에서 부유시켜 기기 크기와 화면 폭에 관계없이 겹침을 막는다. */
.hero-stage { position: relative; max-width: 1264px; margin: 0 auto; padding: 12px 12px 52px; background-image: radial-gradient(#233023 1px, transparent 1px); background-size: 24px 24px; }
.hero-device-grid { display: grid; grid-template-columns: repeat(6,minmax(0,1fr)); gap: 28px 16px; }
.hero-device { position: relative; min-width: 0; display: flex; flex-direction: column; align-items: center; transform: rotate(var(--rotation,0deg)); transition: transform .4s var(--ease); z-index: 1; --float-time: 6s; --float-delay: -1s; }
.hero-device:nth-child(3n+1) { --rotation: -7deg; --float-time: 5.7s; --float-delay: -1.2s; }
.hero-device:nth-child(3n+2) { --rotation: 6deg; --float-time: 6.8s; --float-delay: -3.1s; }
.hero-device:nth-child(3n) { --rotation: -3deg; --float-time: 5.2s; --float-delay: -2.2s; }
.hero-device:nth-child(even) { --float-delay: -4s; }
.hero-device .device-art { width: 100%; height: 200px; filter: drop-shadow(4px 10px 6px #0007); }
.hero-device > span { font-size: 10px; background: var(--panel); color: var(--soft); padding: 2px 6px; max-width: 100%; border: 1px solid #2f4230; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hero-stage .stage-axis { bottom: 8px; left: 1%; right: 1%; }
@media (max-width: 800px) {
  .hero-device-grid { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 30px 20px; }
  .hero-device .device-art { height: 180px; }
  .hero-device > span { font-size: 9px; }
}
@media (max-width: 500px) {
  .hero-stage { padding: 12px 4px 40px; }
  .hero-device-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 28px 20px; }
  .hero-device .device-art { height: clamp(130px, 40vw, 180px); }
  .hero-device > span { font-size: 10px; padding-inline: 6px; }
}
@media (min-width: 801px) and (max-height: 950px) {
  .hero-content { padding-top: 24px; }
  .hero h1 { font-size: clamp(44px,4.6vw,66px); }
  .hero-lead { margin-top: 16px; }
  .hero-actions { margin-top: 18px; }
  .hero-guide-link, .availability { margin-top: 16px; }
  .hero-device-grid { row-gap: 24px; }
}
