:root {
  color-scheme: light;
  --ink: #11110f;
  --paper: #f3ecd7;
  --muted: #6d685c;
  --line: rgba(17, 17, 15, 0.2);
  --accent: #ee5b35;
  font-family: Inter, "Noto Sans JP", "Hiragino Sans", "Yu Gothic", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { background: var(--paper); }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-size: 16px;
  line-height: 1.85;
}

a { color: inherit; }

.policy-header,
main,
footer {
  width: min(1120px, calc(100% - 48px));
  margin-inline: auto;
}

.policy-header {
  min-height: 104px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 850;
  font-size: 1.2rem;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.brand img { border-radius: 12px; }

.back-link {
  font-weight: 750;
  text-underline-offset: 5px;
  text-decoration-thickness: 1px;
}

main {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(48px, 8vw, 112px);
  padding-block: clamp(72px, 10vw, 144px);
}

.policy-hero { align-self: start; position: sticky; top: 40px; }

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 0.77rem;
  font-weight: 900;
  letter-spacing: 0.16em;
}

h1 {
  margin: 0;
  font-size: clamp(3rem, 5vw, 5rem);
  line-height: 0.94;
  letter-spacing: -0.075em;
}

h1 span { display: block; white-space: nowrap; }

.summary {
  max-width: 34rem;
  margin: 32px 0 40px;
  color: #39362f;
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  line-height: 1.75;
}

.policy-meta { margin: 0; border-top: 1px solid var(--line); }
.policy-meta div { display: grid; grid-template-columns: 6rem 1fr; gap: 16px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.policy-meta dt { color: var(--muted); font-size: 0.82rem; font-weight: 800; }
.policy-meta dd { margin: 0; font-weight: 700; }

.policy-body { max-width: 44rem; }
.policy-body section + section { margin-top: 56px; }
.policy-body h2 { margin: 0 0 16px; font-size: clamp(1.35rem, 2.2vw, 2rem); line-height: 1.35; letter-spacing: -0.035em; }
.policy-body p { margin: 0; color: #343129; }
.policy-body p + p { margin-top: 14px; }
.policy-body hr { margin: 72px 0; border: 0; border-top: 2px solid var(--ink); }

footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-block: 28px 44px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

@media (max-width: 760px) {
  .policy-header, main, footer { width: min(100% - 32px, 680px); }
  .policy-header { min-height: 88px; }
  .back-link { font-size: 0.82rem; }
  main { grid-template-columns: 1fr; gap: 64px; padding-block: 72px; }
  .policy-hero { position: static; }
  h1 { font-size: clamp(3.05rem, 15vw, 4.6rem); }
  .policy-body section + section { margin-top: 44px; }
  footer { flex-direction: column; gap: 4px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}