@font-face {
  font-family: 'PG-latin';
  src: url('../fonts/pg-latin.woff2?v=2') format('woff2');
  font-display: swap;
}
@font-face {
  font-family: 'PG-vi';
  src: url('../fonts/pg-vi.woff2?v=2') format('woff2');
  font-display: swap;
}
@font-face {
  font-family: 'PG-ko';
  src: url('../fonts/pg-ko.woff2?v=2') format('woff2');
  font-display: swap;
}
@font-face {
  font-family: 'PG-ja';
  src: url('../fonts/pg-ja.woff2?v=2') format('woff2');
  font-display: swap;
}
@font-face {
  font-family: 'PG-zh-hans';
  src: url('../fonts/pg-zh-hans.woff2?v=2') format('woff2');
  font-display: swap;
}

:root {
  --p-ebony: #2a211d;
  --p-walnut: #5b4331;
  --p-mahogany: #7b3f2f;
  --p-lim: #6e4b2a;
  --p-oak: #9c7650;
  --p-kaya-deep: #c28f4e;
  --p-kaya: #deb877;
  --p-pine: #d6b88c;
  --p-birch: #eee0c4;
  --p-do-paper: #e9dfc8;
  --p-washi: #f6f0e2;
  --p-slate-dark: #2c3134;
  --p-slate: #4b5357;
  --p-clam: #f2ece0;
  --p-clam-shade: #d6cdbd;
  --p-moss: #647548;
  --p-matcha: #9bab6f;
  --p-brick: #9e4f3b;
  --p-terracotta: #c27a55;
  --p-lantern: #e09d45;
  --p-honey: #efc46b;
  --p-night-sky: #1d2231;
  --p-night-mid: #2d3447;
  --p-rain: #74879a;
  --p-rain-light: #aab8c4;

  --theme-name: day;
  --bg: var(--p-do-paper);
  --surface: var(--p-washi);
  --surface-sunken: var(--p-do-paper);
  --surface-wood: var(--p-lim);
  --edge: var(--p-walnut);
  --edge-wood: var(--p-ebony);
  --text: var(--p-ebony);
  --text-muted: var(--p-walnut);
  --text-on-wood: var(--p-washi);
  --text-on-primary: var(--p-ebony);
  --primary: var(--p-lantern);
  --primary-hl: var(--p-honey);
  --primary-pressed: var(--p-kaya-deep);
  --primary-lip: var(--p-mahogany);
  --secondary: var(--p-washi);
  --secondary-lip: var(--p-clam-shade);
  --disabled: var(--p-clam-shade);
  --link: var(--p-mahogany);
  --focus: var(--p-mahogany);
  --board-surface: var(--p-kaya);
  --board-edge: var(--p-kaya-deep);
  --board-line: var(--p-lim);
  --last-move: var(--p-lantern);
  --stone-shadow: #2a211d40;
  --phone: var(--p-ebony);
  --qr-paper: var(--p-washi);

  --font-px: 'PG-latin', ui-monospace, monospace;
  --font-read: system-ui, -apple-system, 'Segoe UI', Roboto, 'Noto Sans', sans-serif;
  --fs-label: 24px;
  --lh-label: 36px;
  --fs-h3: 24px;
  --fs-h2: 36px;
  --lh-h2: 48px;
  --fs-h1: 48px;
  --lh-h1: 60px;
  --fs-h1-lg: 72px;
  --lh-h1-lg: 84px;
  color-scheme: light;
}

:root[data-locale='vi'] {
  --font-px: 'PG-vi', 'PG-latin', ui-monospace, monospace;
  --fs-label: 32px;
  --lh-label: 36px;
  --fs-h3: 32px;
  --fs-h2: 48px;
  --lh-h2: 52px;
  --fs-h1: 64px;
  --lh-h1: 64px;
  --fs-h1-lg: 96px;
  --lh-h1-lg: 96px;
}
:root[data-locale='ko'] {
  --font-px: 'PG-ko', 'PG-latin', system-ui, sans-serif;
}
:root[data-locale='ja'] {
  --font-px: 'PG-ja', 'PG-latin', system-ui, sans-serif;
}
:root[data-locale='zh-Hans'] {
  --font-px: 'PG-zh-hans', 'PG-latin', system-ui, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --theme-name: night;
    --bg: var(--p-night-sky);
    --surface: var(--p-night-mid);
    --surface-sunken: var(--p-night-sky);
    --surface-wood: var(--p-walnut);
    --edge: var(--p-rain);
    --text: var(--p-birch);
    --text-muted: var(--p-rain-light);
    --text-on-wood: var(--p-birch);
    --secondary: var(--p-night-mid);
    --secondary-lip: var(--p-night-sky);
    --disabled: var(--p-night-mid);
    --link: var(--p-honey);
    --focus: var(--p-honey);
    --board-surface: var(--p-kaya-deep);
    --board-edge: var(--p-oak);
    --board-line: var(--p-walnut);
    --last-move: var(--p-honey);
    --stone-shadow: #1d223166;
    --phone: #12151f;
    color-scheme: dark;
  }
}
:root[data-theme='dark'] {
  --theme-name: night;
  --bg: var(--p-night-sky);
  --surface: var(--p-night-mid);
  --surface-sunken: var(--p-night-sky);
  --surface-wood: var(--p-walnut);
  --edge: var(--p-rain);
  --text: var(--p-birch);
  --text-muted: var(--p-rain-light);
  --text-on-wood: var(--p-birch);
  --secondary: var(--p-night-mid);
  --secondary-lip: var(--p-night-sky);
  --disabled: var(--p-night-mid);
  --link: var(--p-honey);
  --focus: var(--p-honey);
  --board-surface: var(--p-kaya-deep);
  --board-edge: var(--p-oak);
  --board-line: var(--p-walnut);
  --last-move: var(--p-honey);
  --stone-shadow: #1d223166;
  --phone: #12151f;
  color-scheme: dark;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 16px;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-read);
  font-size: 17px;
  line-height: 1.6;
  overflow-x: clip;
}
img,
canvas,
svg {
  display: block;
  max-width: 100%;
}
canvas,
.pixelated {
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}
a {
  color: var(--link);
  text-underline-offset: 3px;
  text-decoration-thickness: 2px;
}
a:hover {
  text-decoration-thickness: 3px;
}
:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}
p {
  margin: 0 0 12px;
}
h1,
h2,
h3,
.px-font {
  font-family: var(--font-px);
  font-weight: 400;
  letter-spacing: 0;
  -webkit-font-smoothing: none;
  font-smooth: never;
}
h1 {
  font-size: var(--fs-h1);
  line-height: var(--lh-h1);
  margin: 0;
}
h2 {
  font-size: var(--fs-h2);
  line-height: var(--lh-h2);
  margin: 0 0 12px;
}
h3 {
  font-size: var(--fs-h3);
  line-height: var(--lh-label);
  margin: 0 0 4px;
}
.wrap {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding-left: 16px;
  padding-right: 16px;
}
.sr {
  position: absolute !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}
.skip {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 10;
  background: var(--surface);
  color: var(--text);
  padding: 8px 12px;
  font-family: var(--font-px);
  font-size: var(--fs-label);
  line-height: var(--lh-label);
}
.skip:focus {
  top: 12px;
}
.muted {
  color: var(--text-muted);
}

.px {
  box-shadow:
    0 -2px 0 0 var(--edge),
    0 2px 0 0 var(--edge),
    -2px 0 0 0 var(--edge),
    2px 0 0 0 var(--edge);
}
.px-lg {
  box-shadow:
    0 -4px 0 0 var(--edge),
    0 4px 0 0 var(--edge),
    -4px 0 0 0 var(--edge),
    4px 0 0 0 var(--edge);
}
.panel {
  background: var(--surface);
  padding: 20px;
  margin: 4px;
}

.btn {
  --b-bg: var(--primary);
  --b-fg: var(--text-on-primary);
  --b-edge: var(--edge-wood);
  --b-lip: var(--primary-lip);
  --b-hl: var(--primary-hl);
  appearance: none;
  border: 0;
  cursor: pointer;
  font-family: var(--font-px);
  font-size: var(--fs-label);
  line-height: 24px;
  min-height: 52px;
  padding: 12px 20px 16px;
  margin: 2px;
  background: var(--b-bg);
  color: var(--b-fg);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow:
    0 -2px 0 0 var(--b-edge),
    0 2px 0 0 var(--b-edge),
    -2px 0 0 0 var(--b-edge),
    2px 0 0 0 var(--b-edge),
    inset 0 -4px 0 0 var(--b-lip),
    inset 0 2px 0 0 var(--b-hl);
  -webkit-tap-highlight-color: transparent;
  -webkit-font-smoothing: none;
}
.btn:hover {
  text-decoration: none;
  filter: brightness(1.04);
}
.btn:active {
  --b-bg: var(--primary-pressed);
  padding: 16px 20px 12px;
  box-shadow:
    0 -2px 0 0 var(--b-edge),
    0 2px 0 0 var(--b-edge),
    -2px 0 0 0 var(--b-edge),
    2px 0 0 0 var(--b-edge),
    inset 0 4px 0 0 var(--b-lip);
}
.btn.secondary {
  --b-bg: var(--secondary);
  --b-fg: var(--text);
  --b-edge: var(--edge);
  --b-lip: var(--secondary-lip);
  --b-hl: var(--surface);
}
.btn.secondary:active {
  --b-bg: var(--secondary-lip);
}
.btn.sm {
  font-size: var(--fs-label);
  min-height: 44px;
  padding: 6px 12px 10px;
}
.btn.sm:active {
  padding: 10px 12px 6px;
}
.btn[aria-pressed='true'] {
  --b-bg: var(--primary);
  --b-fg: var(--text-on-primary);
  --b-lip: var(--primary-lip);
  --b-hl: var(--primary-hl);
  --b-edge: var(--edge-wood);
}
:root[data-locale='vi'] .btn {
  line-height: 28px;
}

.site-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px 20px;
  padding-top: 16px;
  padding-bottom: 8px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-family: var(--font-px);
  font-size: 36px;
  line-height: 48px;
}
:root[data-locale='vi'] .brand {
  font-size: 48px;
}
.brand canvas {
  width: 45px;
  height: 48px;
}
.head-nav {
  display: none;
  gap: 20px;
  font-family: var(--font-px);
  font-size: var(--fs-label);
  line-height: var(--lh-label);
}
.head-nav a {
  color: var(--text);
  text-decoration: none;
  padding: 4px 2px;
}
.head-nav a:hover {
  text-decoration: underline;
}
.controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
}
.seg {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 4px;
}
.seg .btn.sm {
  min-height: 40px;
  padding: 4px 10px 8px;
}
.seg .btn.sm:active {
  padding: 8px 10px 4px;
}
.lang {
  position: relative;
  display: inline-flex;
  align-items: center;
}
.lang select {
  appearance: none;
  -webkit-appearance: none;
  font-family: var(--font-read);
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  background: var(--secondary);
  border: 0;
  border-radius: 0;
  min-height: 40px;
  padding: 6px 34px 6px 12px;
  margin: 2px;
  cursor: pointer;
  box-shadow:
    0 -2px 0 0 var(--edge),
    0 2px 0 0 var(--edge),
    -2px 0 0 0 var(--edge),
    2px 0 0 0 var(--edge),
    inset 0 -4px 0 0 var(--secondary-lip);
}
.lang::after {
  content: '';
  position: absolute;
  right: 12px;
  top: 50%;
  width: 10px;
  height: 6px;
  margin-top: -4px;
  pointer-events: none;
  background:
    linear-gradient(var(--text) 0 0) 0 0 / 10px 2px no-repeat,
    linear-gradient(var(--text) 0 0) 2px 2px / 6px 2px no-repeat,
    linear-gradient(var(--text) 0 0) 4px 4px / 2px 2px no-repeat;
}

section {
  padding: 48px 0 16px;
}
.eyebrow {
  font-family: var(--font-px);
  font-size: var(--fs-label);
  line-height: var(--lh-label);
  color: var(--text-muted);
  margin: 0 0 4px;
}
.hero {
  padding-top: 24px;
}
.hero-grid {
  display: grid;
  gap: 24px;
  align-items: center;
}
.hero-text .tagline {
  font-size: 20px;
  line-height: 1.5;
  max-width: 34ch;
  margin: 12px 0 20px;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}
.scene-box {
  background: var(--surface-sunken);
  display: flex;
  justify-content: center;
  margin: 0 -16px;
}
.scene-box canvas {
  width: 100%;
  width: round(down, 100%, 160px);
  max-width: 960px;
  height: auto;
  aspect-ratio: 16 / 9;
}

.intro-grid {
  display: grid;
  gap: 24px;
  align-items: start;
}
.intro-grid p {
  max-width: 62ch;
}
.sensei {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.sensei canvas {
  flex: none;
  width: 60px;
  height: 64px;
}

.features {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
}
.feature {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 4px 16px;
  align-items: start;
  margin: 4px;
  padding: 16px;
  background: var(--surface);
}
.feature canvas {
  width: 48px;
  height: 48px;
  grid-row: span 2;
}
.feature p {
  margin: 0;
  color: var(--text-muted);
  font-size: 16px;
}
.feature .tag {
  display: inline-block;
  font-family: var(--font-px);
  font-size: var(--fs-label);
  line-height: 28px;
  padding: 0 8px 2px;
  margin-left: 6px;
  background: var(--surface-sunken);
  color: var(--text);
  vertical-align: 2px;
}

.shots {
  list-style: none;
  margin: 20px -16px 0;
  padding: 8px 16px 20px;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 196px;
  gap: 24px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding: 0 16px;
  overscroll-behavior-x: contain;
}
.shots li {
  scroll-snap-align: start;
  margin: 0;
}
.phone {
  background: var(--phone);
  padding: 14px 8px 18px;
  margin: 4px;
  box-shadow:
    0 -4px 0 0 var(--phone),
    0 4px 0 0 var(--phone),
    -4px 0 0 0 var(--phone),
    4px 0 0 0 var(--phone),
    0 0 0 8px var(--edge);
  position: relative;
}
.phone::before {
  content: '';
  position: absolute;
  top: 4px;
  left: 50%;
  width: 36px;
  height: 4px;
  margin-left: -18px;
  background: #4b5357;
}
.phone img {
  width: 100%;
  height: auto;
  aspect-ratio: 390 / 844;
  background: var(--p-do-paper);
}
.shots figcaption {
  margin-top: 16px;
  font-size: 15px;
  color: var(--text-muted);
  text-align: center;
}

.stores {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  margin-top: 20px;
}
.store {
  background: var(--surface);
  margin: 4px;
  padding: 20px;
  display: grid;
  gap: 16px;
  justify-items: center;
  text-align: center;
}
.store h3 {
  margin: 0;
}
.store-btn {
  min-width: 260px;
  max-width: 100%;
}
.store-btn canvas {
  width: 24px;
  height: 24px;
}
.store-btn.is-soon {
  --b-bg: var(--disabled);
  --b-fg: var(--text-muted);
  --b-edge: var(--edge);
  --b-lip: var(--disabled);
  --b-hl: var(--disabled);
  cursor: default;
  filter: saturate(0.4);
  opacity: 0.92;
}
.store-btn.is-soon:active {
  padding: 12px 20px 16px;
}
.soon-tag {
  display: inline-block;
  font-family: var(--font-px);
  font-size: var(--fs-label);
  line-height: 28px;
  padding: 2px 10px 4px;
  background: var(--surface-wood);
  color: var(--text-on-wood);
}
.qr-slot {
  width: 208px;
  min-height: 208px;
  display: grid;
  place-items: center;
}
.qr-slot img {
  width: 164px;
  height: 164px;
  image-rendering: pixelated;
  box-shadow: 0 0 0 4px var(--qr-paper), 0 0 0 6px var(--edge);
}
.qr-soon {
  width: 100%;
  min-height: 208px;
  background: var(--surface-sunken);
  display: grid;
  place-items: center;
  align-content: center;
  gap: 10px;
  padding: 16px;
}
.qr-soon canvas {
  width: 60px;
  height: 64px;
  opacity: 0.9;
}
.qr-soon p {
  margin: 0;
  font-size: 15px;
  color: var(--text-muted);
}
.qr-caption {
  margin: 0;
  font-size: 15px;
  color: var(--text-muted);
}
.price-note {
  max-width: 62ch;
}

.web-grid {
  display: grid;
  gap: 24px;
  align-items: start;
}
.board-wrap {
  display: grid;
  gap: 12px;
  justify-items: center;
}
.board-box {
  background: var(--surface-sunken);
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 12px 0;
}
.board-box canvas {
  width: 100%;
  width: round(down, 100%, 160px);
  max-width: 480px;
  height: auto;
  aspect-ratio: 1;
  cursor: pointer;
  touch-action: manipulation;
}
.board-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  align-items: center;
  justify-content: center;
  font-family: var(--font-px);
  font-size: var(--fs-label);
  line-height: var(--lh-label);
}
.board-bar span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.board-bar canvas {
  width: 24px;
  height: 24px;
}
.board-msg {
  min-height: 52px;
  margin: 0;
  font-size: 15px;
  color: var(--text-muted);
  text-align: center;
}
.web-play[hidden] {
  display: none;
}

.site-foot {
  margin-top: 48px;
  padding: 32px 0 40px;
  background: var(--surface-wood);
  color: var(--text-on-wood);
}
.site-foot a {
  color: var(--text-on-wood);
}
.foot-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 32px;
  align-items: flex-start;
  justify-content: space-between;
}
.foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.foot-meta {
  font-size: 15px;
  margin: 16px 0 0;
}
.foot-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-px);
  font-size: 36px;
  line-height: 48px;
}
:root[data-locale='vi'] .foot-brand {
  font-size: 48px;
}
.foot-brand canvas {
  width: 36px;
  height: 36px;
}

.doc {
  max-width: 760px;
}
.doc article {
  background: var(--surface);
  padding: 24px 20px;
  margin: 4px 4px 32px;
}
.doc h2 {
  margin-top: 8px;
}
.doc h3 {
  margin-top: 20px;
}
.doc p,
.doc li {
  max-width: 68ch;
}
.doc ul {
  padding-left: 22px;
  margin: 0 0 12px;
}
.doc-head {
  padding-top: 24px;
  padding-bottom: 8px;
}
.doc-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 8px 0 20px;
}

.nf {
  min-height: 60vh;
  display: grid;
  align-content: center;
  gap: 16px;
  padding-top: 24px;
}
.nf p {
  max-width: 50ch;
}

@media (min-width: 720px) {
  .scene-box {
    margin: 0;
  }
  .panel {
    padding: 28px;
  }
  .shots {
    grid-auto-columns: 220px;
  }
  .web-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
  .intro-grid {
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  }
}
@media (min-width: 960px) {
  .head-nav {
    display: flex;
  }
  h1 {
    font-size: var(--fs-h1-lg);
    line-height: var(--lh-h1-lg);
  }
}
@media (min-width: 1100px) {
  .hero-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
  .shots {
    grid-auto-flow: row;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    grid-auto-columns: auto;
    overflow: visible;
    margin: 20px 0 0;
    padding: 8px 8px 20px;
  }
}
@media (max-width: 380px) {
  body {
    font-size: 16px;
  }
  .store-btn {
    min-width: 0;
    width: 100%;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}