:root {
  color-scheme: dark;
  --bg: #080b0c;
  --panel: #0d1213;
  --text: #f2f4f2;
  --muted: #aeb8b6;
  --rule: #2e3b3b;
  --cyan: #67d9ed;
  --amber: #f7b83b;
}
* { box-sizing: border-box; }
html { background: var(--bg); scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(rgba(103,217,237,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(103,217,237,.045) 1px, transparent 1px),
    var(--bg);
  background-size: 72px 72px;
  font-family: "Noto Sans JP", system-ui, sans-serif;
}
a { color: inherit; }
.legal-header {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 16px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid var(--rule);
  background: rgba(8,11,12,.94);
  backdrop-filter: blur(16px);
}
.legal-wordmark {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font: 700 15px/1 "DM Mono", monospace;
  letter-spacing: .1em;
  text-decoration: none;
}
.legal-wordmark img { width: 30px; height: 30px; }
.legal-language { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 12px; }
.legal-language select {
  min-height: 44px;
  padding: 0 34px 0 12px;
  color: var(--text);
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: var(--panel);
  font: inherit;
}
.legal-shell { width: min(980px, calc(100% - 40px)); margin: 0 auto; padding: 78px 0 100px; }
.legal-kicker { margin: 0 0 22px; color: var(--cyan); font: 12px/1 "DM Mono", monospace; letter-spacing: .16em; }
.legal-shell h1 { max-width: none; margin: 0; font-size: clamp(42px, 5.3vw, 76px); line-height: 1.02; letter-spacing: -.045em; overflow-wrap: anywhere; hyphens: auto; }
:lang(ja) .legal-shell h1, :lang(zh-Hans) .legal-shell h1 { word-break: keep-all; }
.legal-updated { margin: 26px 0 56px; color: var(--muted); font: 12px/1.5 "DM Mono", monospace; }
.legal-summary { max-width: 760px; margin: 0 0 52px; font-size: clamp(18px, 2.2vw, 25px); line-height: 1.8; }
.legal-section { display: grid; grid-template-columns: minmax(150px, 220px) 1fr; gap: 34px; padding: 34px 0; border-top: 1px solid var(--rule); }
.legal-section h2 { margin: 0; color: var(--amber); font-size: 17px; letter-spacing: .02em; }
.legal-section p, .legal-section li { color: var(--muted); line-height: 1.9; }
.legal-section p { margin: 0 0 14px; }
.legal-section ul { margin: 0; padding-left: 1.3em; }
.legal-note { padding: 22px 24px; border-left: 3px solid var(--cyan); background: rgba(103,217,237,.06); }
.legal-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 48px; }
.legal-actions a { min-height: 48px; padding: 14px 18px; border: 1px solid var(--rule); text-decoration: none; }
.legal-actions a:first-child { color: #071013; border-color: var(--cyan); background: var(--cyan); font-weight: 700; }
[data-legal-lang][hidden] { display: none !important; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 4px; }
@media (max-width: 680px) {
  .legal-header { align-items: flex-start; padding-inline: 18px; }
  .legal-language { flex-direction: column; align-items: flex-end; }
  .legal-shell { width: min(100% - 32px, 980px); padding-top: 52px; }
  .legal-shell h1 { font-size: clamp(30px, 8.7vw, 38px); }
  .legal-section { grid-template-columns: 1fr; gap: 14px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }