:root {
    --paper: #EEF1F4;
    --surface: #F7F9FB;
    --ink: #10151C;
    --muted: #5B6675;
    --rule: #D5DBE3;
    --accent: #2F5BEA;
    --accent-2: #7B3FF2;
    --live: #1E9E5A;
    --dev: #B7790E;
    --display: "Geist", "Segoe UI", system-ui, "Hiragino Sans", "Yu Gothic UI", "Malgun Gothic", "Microsoft YaHei", "PingFang SC", sans-serif;
    --body: "Geist", "Segoe UI", system-ui, "Hiragino Sans", "Yu Gothic UI", "Malgun Gothic", "Microsoft YaHei", "PingFang SC", sans-serif;
    --mono: "Geist Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
  }
  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
      --paper: #0E1318; --surface: #131A21; --ink: #E6EAF0; --muted: #8B96A5;
      --rule: #232B35; --accent: #6E95FF; --accent-2: #A77BFF; --live: #3CCB7F; --dev: #E3A63B;
      color-scheme: dark;
    }
  }
  :root[data-theme="dark"] {
    --paper: #0E1318; --surface: #131A21; --ink: #E6EAF0; --muted: #8B96A5;
    --rule: #232B35; --accent: #6E95FF; --accent-2: #A77BFF; --live: #3CCB7F; --dev: #E3A63B;
    color-scheme: dark;
  }

  body {
    background: var(--paper);
    color: var(--ink);
    font-family: var(--body);
    font-size: 17px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    padding-inline: clamp(16px, 5vw, 56px);
    padding-block: 0;
  }
  .wrap { max-width: 1080px; margin-inline: auto; }

  header.top {
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    padding-block: 22px; border-bottom: 1px solid var(--rule);
  }
  .mark { font-family: var(--display); font-weight: 700; font-size: 19px; letter-spacing: -0.035em; color: var(--ink); text-decoration: none; }
  .mark .word span {
    color: var(--accent);
    background: linear-gradient(90deg, var(--accent-2), var(--accent));
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  }
  .mark { display: inline-flex; align-items: center; gap: 10px; }
  .mark img { width: 34px; height: 34px; border-radius: 8px; display: block; flex: none; }
  nav a {
    font-family: var(--mono); font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase;
    color: var(--muted); text-decoration: none;
  }
  nav a:hover, nav a:focus-visible { color: var(--ink); }

  .hero { padding-block: clamp(48px, 9vw, 104px) clamp(40px, 7vw, 72px); display: grid; gap: 24px; }
  .eyebrow { font-family: var(--mono); font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); }
  .hero h1 {
    font-family: var(--display); font-weight: 600;
    font-size: clamp(38px, 7vw, 80px); line-height: 1.0; letter-spacing: -0.055em;
    margin: 0; max-width: 16ch; text-wrap: balance;
  }
  .hero p { margin: 0; max-width: 58ch; color: var(--muted); font-size: 19px; letter-spacing: -0.01em; }
  .focus { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
  .focus li {
    list-style: none; font-family: var(--mono); font-size: 13px; color: var(--ink);
    border: 1px solid var(--rule); padding: 4px 10px; border-radius: 4px; background: var(--surface);
  }
  .focus { padding: 0; margin-block: 8px 0; }

  section.products { padding-block: 8px 72px; }
  .section-head {
    display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap;
    padding-bottom: 14px; border-bottom: 2px solid var(--ink);
  }
  .section-head h2 { font-family: var(--display); font-weight: 600; font-size: 24px; margin: 0; letter-spacing: -0.035em; }
  .section-head span { font-family: var(--mono); font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }

  .product {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.6fr) minmax(170px, 0.8fr);
    gap: 28px; padding-block: 30px; border-bottom: 1px solid var(--rule);
    align-items: start;
  }
  .product h3 { font-family: var(--display); font-weight: 600; font-size: 28px; line-height: 1.1; margin: 0; letter-spacing: -0.045em; }
  .pname { display: grid; gap: 14px; justify-items: start; align-content: start; }
  .plogo { width: 56px; height: 56px; border-radius: 12px; display: block; flex: none; }
  .plogo.mono {
    display: grid; place-items: center; background: #0B0F1A; color: #E6EAF0;
    border: 1px solid var(--rule);
    font-family: var(--display); font-weight: 600; font-size: 24px; letter-spacing: -0.04em;
  }
  .body { display: grid; gap: 18px; align-content: start; min-width: 0; }
  .video {
    position: relative; aspect-ratio: 16 / 9; width: 100%; max-width: 100%;
    border-radius: 10px; overflow: hidden; background: #000; border: 1px solid var(--rule);
  }
  .video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
  .video-play { all: unset; position: absolute; inset: 0; cursor: pointer; display: block; }
  .video-play img { width: 100%; height: 100%; object-fit: cover; display: block; transition: filter .2s; }
  .video-play:hover img { filter: brightness(.8); }
  .play-icon {
    position: absolute; left: 50%; top: 50%; translate: -50% -50%;
    width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center;
    color: #fff; background: linear-gradient(135deg, var(--accent-2), var(--accent));
    box-shadow: 0 8px 28px -6px rgba(0, 0, 0, .55); transition: scale .15s;
  }
  .play-icon svg { margin-left: 3px; }
  .video-play:hover .play-icon { scale: 1.07; }
  .video-label {
    position: absolute; left: 12px; bottom: 12px; padding: 5px 10px; border-radius: 5px;
    font: 500 13px/1.2 var(--body); color: #fff; background: rgba(8, 11, 18, .72);
  }
  .video-play:focus-visible { outline: 3px solid var(--accent); outline-offset: -3px; }
  .product .desc { margin: 0; max-width: 52ch; }
  .meta { display: grid; gap: 10px; justify-items: start; }
  .row { display: grid; gap: 2px; }
  .label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
  .value { font-family: var(--mono); font-size: 14px; }

  .status { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 13px; font-weight: 500; }
  .led { width: 9px; height: 9px; border-radius: 50%; background: currentColor; flex: none; }
  .status.live { color: var(--live); }
  .status.dev { color: var(--dev); }
  .status.live .led { box-shadow: 0 0 0 0 currentColor; animation: pulse 2.4s ease-out infinite; }
  @keyframes pulse {
    0% { box-shadow: 0 0 0 0 color-mix(in srgb, currentColor 55%, transparent); }
    70% { box-shadow: 0 0 0 8px color-mix(in srgb, currentColor 0%, transparent); }
    100% { box-shadow: 0 0 0 0 color-mix(in srgb, currentColor 0%, transparent); }
  }
  @media (prefers-reduced-motion: reduce) { .status.live .led { animation: none; } }

  .cta {
    display: inline-flex; align-items: center; gap: 8px; margin-top: 4px;
    font-weight: 600; font-size: 15px; color: var(--paper); background: var(--ink);
    padding: 9px 14px; border-radius: 6px; text-decoration: none;
  }
  .cta:hover { background: var(--accent); }
  .cta.ghost { color: var(--ink); background: transparent; box-shadow: inset 0 0 0 1px var(--rule); }
  .cta.ghost:hover { color: var(--ink); background: var(--surface); box-shadow: inset 0 0 0 1px var(--muted); }
  .cta:focus-visible, nav a:focus-visible, .mark:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
  .note { font-family: var(--mono); font-size: 13px; color: var(--muted); }

  footer {
    display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
    padding-block: 28px 40px; border-top: 1px solid var(--rule);
    font-family: var(--mono); font-size: 13px; color: var(--muted);
  }

  @media (max-width: 480px) { nav > a { display: none; } }
  @media (max-width: 760px) {
    .product { grid-template-columns: 1fr; gap: 14px; padding-block: 26px; }
    .meta { grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); width: 100%; }
  }

  nav { display: flex; align-items: center; gap: 20px; }
  .lang { position: relative; }
  .lang-btn {
    display: inline-flex; align-items: center; gap: 7px; cursor: pointer;
    font: 500 14px/1 var(--body); color: var(--ink);
    background: var(--surface); border: 1px solid var(--rule); border-radius: 6px; padding: 8px 10px;
  }
  .lang-btn:hover { border-color: var(--muted); }
  .lang-btn .chev { color: var(--muted); transition: transform .15s; }
  .lang-btn[aria-expanded="true"] .chev { transform: rotate(180deg); }
  .lang-btn:focus-visible, .lang-menu button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
  .lang-menu {
    position: absolute; right: 0; top: calc(100% + 6px); z-index: 10; min-width: 168px;
    list-style: none; margin: 0; padding: 6px; display: grid; gap: 2px;
    background: var(--surface); border: 1px solid var(--rule); border-radius: 8px;
    box-shadow: 0 12px 32px -12px rgba(16, 21, 28, .28);
  }
  .lang-menu button {
    width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 12px;
    font: 400 14px/1.2 var(--body); color: var(--ink); text-align: left;
    background: none; border: 0; border-radius: 5px; padding: 8px 10px; cursor: pointer;
  }
  .lang-menu button:hover { background: var(--paper); }
  .lang-menu button[aria-current="true"] { font-weight: 600; }
  .lang-menu button[aria-current="true"]::after { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
  .lang-menu .code { font-family: var(--mono); font-size: 11px; color: var(--muted); }
  :lang(ja) .hero h1, :lang(ko) .hero h1, :lang(zh-CN) .hero h1 { letter-spacing: -0.02em; line-height: 1.15; }
  :lang(ja) .product h3, :lang(ko) .product h3, :lang(zh-CN) .product h3 { letter-spacing: -0.02em; }
  :lang(ja) :is(.label, .eyebrow, nav a, .value, .status),
  :lang(ko) :is(.label, .eyebrow, nav a, .value, .status),
  :lang(zh-CN) :is(.label, .eyebrow, nav a, .value, .status) { letter-spacing: 0; }
  html{color-scheme:light dark}body{margin:0}img{max-width:100%}[hidden]{display:none!important}