:root {
  color-scheme: light;
  --legal-accent: #2563eb;
  --legal-accent-strong: #1d4ed8;
  --legal-accent-soft: rgba(37, 99, 235, .09);
  --legal-bg: #f2f0eb;
  --legal-surface: rgba(255, 254, 250, .96);
  --legal-text: #18212a;
  --legal-muted: #66727d;
  --legal-border: rgba(24, 33, 42, .12);
  --legal-fill: #f2f1ed;
  --legal-shadow: 0 20px 60px rgba(24, 33, 42, .1);
}

html[data-theme="dark"] {
  color-scheme: dark;
  --legal-accent: #60a5fa;
  --legal-accent-strong: #93c5fd;
  --legal-accent-soft: rgba(96, 165, 250, .14);
  --legal-bg: #11151a;
  --legal-surface: rgba(23, 28, 34, .96);
  --legal-text: #f1f3f5;
  --legal-muted: #a3adb7;
  --legal-border: rgba(255, 255, 255, .12);
  --legal-fill: #242b33;
  --legal-shadow: 0 24px 70px rgba(0, 0, 0, .38);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100dvh;
  font-family: "Inter", "Noto Sans JP", sans-serif;
  color: var(--legal-text);
  background:
    radial-gradient(circle at 12% 0%, var(--legal-accent-soft), transparent 32rem),
    var(--legal-bg);
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--legal-accent-soft); }

:focus-visible {
  outline: 2px solid var(--legal-accent);
  outline-offset: 3px;
  border-radius: 5px;
}

.page {
  width: min(820px, calc(100% - 40px));
  max-width: none;
  margin: 32px auto;
  padding: 52px 64px 42px;
  border: 1px solid var(--legal-border);
  border-radius: 22px;
  background: var(--legal-surface);
  box-shadow: var(--legal-shadow);
  backdrop-filter: blur(16px);
}

.page__back {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  margin-bottom: 28px;
  padding: 0 13px;
  border: 1px solid var(--legal-border);
  border-radius: 999px;
  background: var(--legal-fill);
  color: var(--legal-text);
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  transition: color .15s ease, border-color .15s ease, background .15s ease;
}

.page__back:hover {
  border-color: var(--legal-accent);
  background: var(--legal-accent-soft);
  color: var(--legal-accent);
  text-decoration: none;
}

h1 {
  margin: 0 0 8px;
  color: var(--legal-text);
  font-size: clamp(25px, 4vw, 34px);
  line-height: 1.35;
  letter-spacing: -.035em;
}

.page__updated {
  margin: 0 0 38px;
  color: var(--legal-muted);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

h2 {
  position: relative;
  margin: 42px 0 13px;
  padding: 0 0 0 16px;
  border: 0;
  color: var(--legal-text);
  font-size: 16px;
  line-height: 1.55;
}

h2::before {
  content: "";
  position: absolute;
  top: .22em;
  bottom: .22em;
  left: 0;
  width: 4px;
  border-radius: 999px;
  background: var(--legal-accent);
}

p,
li {
  color: var(--legal-text);
  font-size: 13.5px;
}

ul,
ol { padding-left: 22px; }

li + li { margin-top: 6px; }

a {
  color: var(--legal-accent);
  overflow-wrap: anywhere;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

a:hover { color: var(--legal-accent-strong); }

table {
  width: 100%;
  overflow: hidden;
  margin: 12px 0;
  border: 1px solid var(--legal-border);
  border-radius: 12px;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--legal-fill);
  font-size: 13.5px;
}

th,
td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--legal-border);
  color: var(--legal-text);
  text-align: left;
  vertical-align: top;
}

th {
  font-weight: 600;
  white-space: nowrap;
}

tr:last-child th,
tr:last-child td { border-bottom: 0; }

footer {
  margin-top: 56px;
  padding-top: 22px;
  border-top: 1px solid var(--legal-border);
  color: var(--legal-muted);
  font-size: 12px;
  text-align: center;
}

.legal-theme-toggle {
  position: fixed;
  top: 18px;
  right: 18px;
  z-index: 10;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid var(--legal-border);
  border-radius: 50%;
  background: var(--legal-surface);
  color: var(--legal-text);
  box-shadow: 0 8px 24px rgba(24, 33, 42, .12);
  cursor: pointer;
  backdrop-filter: blur(14px);
}

.legal-theme-toggle:hover { background: var(--legal-fill); }
.legal-theme-toggle .icon-sun { display: none; }
html[data-theme="dark"] .legal-theme-toggle .icon-moon { display: none; }
html[data-theme="dark"] .legal-theme-toggle .icon-sun { display: block; }

@media (max-width: 640px) {
  .page {
    width: 100%;
    margin: 0;
    padding: 72px 20px 36px;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .page__back { margin-bottom: 24px; }
  .page__updated { margin-bottom: 30px; }
  h2 { margin-top: 34px; }

  table,
  tbody,
  tr,
  th,
  td { display: block; }

  tr { padding: 12px 14px; }
  tr + tr { border-top: 1px solid var(--legal-border); }
  th,
  td { padding: 2px 0; border: 0; }
  td { color: var(--legal-muted); }

  .legal-theme-toggle {
    top: 14px;
    right: 14px;
  }
}