:root {
  color-scheme: light;
  --ink: #22242a;
  --muted: #545861;
  --line: #dfe4e2;
  --accent: #5b76c7;
  --paper: #ffffff;
  --wash: #f5f8f7;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Zen Kaku Gothic New", system-ui, sans-serif;
  line-height: 1.9;
  -webkit-text-size-adjust: 100%;
}
a { color: var(--accent); text-underline-offset: 4px; }
a:hover { color: #8e4527; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
}
.site-header__inner,
.site-footer__inner,
.legal {
  width: min(100% - 36px, 860px);
  margin-inline: auto;
}
.site-header__inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  color: var(--ink);
  font-family: "Zen Maru Gothic", sans-serif;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: .08em;
  text-decoration: none;
}
.back-link { color: var(--muted); font-size: 14px; text-decoration: none; }
.legal { padding-block: clamp(56px, 9vw, 96px); }
.legal__eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .2em;
}
.legal h1 {
  margin: 0;
  font-family: "Zen Maru Gothic", sans-serif;
  font-size: clamp(32px, 7vw, 48px);
  line-height: 1.4;
}
.legal__lead { margin: 22px 0 0; color: var(--muted); }
.legal__date { margin: 10px 0 0; color: #747980; font-size: 14px; }
.legal__toc {
  margin: 40px 0 0;
  padding: 24px 28px;
  background: var(--wash);
  border: 1px solid var(--line);
  border-radius: 16px;
}
.legal__toc p { margin: 0 0 8px; font-weight: 700; }
.legal__toc ol { margin: 0; padding-left: 1.5em; columns: 2; column-gap: 40px; }
.legal__toc a { color: var(--muted); }
.legal article { margin-top: 56px; }
.legal section { scroll-margin-top: 24px; padding-top: 34px; border-top: 1px solid var(--line); }
.legal section + section { margin-top: 34px; }
.legal h2 {
  margin: 0 0 14px;
  font-family: "Zen Maru Gothic", sans-serif;
  font-size: clamp(21px, 4.8vw, 26px);
  line-height: 1.55;
}
.legal p { margin: 0; }
.legal p + p,
.legal ul + p,
.legal ol + p { margin-top: 1em; }
.legal ul,
.legal ol { margin: 12px 0 0; padding-left: 1.6em; }
.legal li + li { margin-top: 6px; }
.legal__note {
  margin-top: 42px;
  padding: 18px 20px;
  border-left: 3px solid var(--accent);
  background: #f7f8fc;
  color: var(--muted);
  font-size: 14px;
}
.site-footer { border-top: 1px solid var(--line); }
.site-footer__inner {
  min-height: 96px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: #747980;
  font-size: 13px;
}
.site-footer nav { display: flex; flex-wrap: wrap; gap: 18px; }
.site-footer a { color: var(--muted); }
@media (max-width: 640px) {
  .legal__toc ol { columns: 1; }
  .site-footer__inner { padding-block: 26px; align-items: flex-start; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}