:root {
  color-scheme: light;
  --bg: #edf3f6;
  --surface: #fbfdfe;
  --ink: #10202a;
  --muted: #5f6f78;
  --line: #c8d5dc;
  --accent: #1b78a0;
  --accent-strong: #135a78;
  --accent-soft: rgba(27, 120, 160, 0.08);
}

* { box-sizing: border-box; }

body {
  min-width: 320px;
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "IBM Plex Sans", "Noto Sans JP", Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.75;
}

main {
  width: min(860px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 64px;
}

.legal-header,
.legal-section {
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--surface);
}

.legal-header { padding: clamp(28px, 6vw, 52px); }
.legal-section { margin-top: 16px; padding: clamp(22px, 4vw, 36px); }

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1, h2 { line-height: 1.35; }
h1 { margin: 0; font-size: clamp(1.8rem, 5vw, 3rem); }
h2 { margin: 0 0 14px; font-size: 1.25rem; }
p, ul, dl { margin: 0; }
p + p, p + ul, ul + p, dl + p { margin-top: 14px; }
ul { padding-left: 1.35rem; }
li + li { margin-top: 8px; }

.summary {
  margin-top: 18px;
  padding: 16px 18px;
  border-left: 4px solid var(--accent);
  background: var(--accent-soft);
}

.metadata {
  display: grid;
  grid-template-columns: minmax(8rem, 0.35fr) 1fr;
  gap: 8px 16px;
  margin-top: 22px;
  font-size: 0.92rem;
}

.metadata dt { color: var(--muted); }
.metadata dd { margin: 0; }
a { color: var(--accent); text-underline-offset: 0.18em; }
a:hover, a:focus-visible { color: var(--accent-strong); }
.legal-back-nav { margin-bottom: 24px; }
.legal-nav { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-top: 22px; }
.legal-home-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 9px 16px;
  border: 1px solid var(--accent-strong);
  border-radius: 14px;
  background: var(--accent);
  color: #fff;
  font-weight: 750;
  line-height: 1.35;
  text-decoration: none;
  box-shadow: 0 5px 12px rgba(27, 120, 160, 0.2);
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.legal-home-button:hover {
  transform: translateY(-1px);
  border-color: var(--accent-strong);
  background: var(--accent-strong);
  color: #fff;
  text-decoration: none;
  box-shadow: 0 8px 18px rgba(16, 32, 42, 0.18);
}

.legal-home-button:focus-visible {
  color: #fff;
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

.legal-footer { margin-top: 28px; color: var(--muted); font-size: 0.86rem; }

@media (max-width: 520px) {
  main { width: min(100% - 20px, 860px); padding-top: 10px; }
  .metadata { grid-template-columns: 1fr; }
  .metadata dd + dt { margin-top: 8px; }
}