:root {
  --bg: #f5f7fb;
  --card: #ffffff;
  --text: #172033;
  --muted: #5c6b82;
  --line: #dbe3ef;
  --navy: #143e74;
  --navy-dark: #0f315d;
  --soft: #eef4fb;
  --accent: #1e5ca8;
  --ok: #245f3b;
}
* { box-sizing: border-box; }
html { font-size: 16px; }
body {
  margin: 0;
  font-family: Inter, Arial, Helvetica, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #f7f9fc 0%, #eef3f9 100%);
  line-height: 1.7;
}
a { color: var(--navy); text-decoration: none; }
a:hover { text-decoration: underline; }
.page {
  max-width: 980px;
  margin: 0 auto;
  padding: 36px 20px 64px;
}
.topbar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.topbar a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.9);
  border: 1px solid var(--line);
  color: var(--navy);
  font-weight: 600;
  font-size: 14px;
}
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: #fff;
  border-radius: 24px;
  padding: 34px 28px;
  box-shadow: 0 14px 40px rgba(15,49,93,.18);
  margin-bottom: 22px;
}
.hero h1 {
  margin: 0 0 10px;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
}
.hero p {
  margin: 0;
  max-width: 780px;
  color: rgba(255,255,255,.88);
  font-size: 1rem;
}
.meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 12px;
  margin-bottom: 22px;
}
.meta .item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px 18px;
}
.meta .label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 6px;
}
.meta .value {
  font-size: 15px;
  font-weight: 600;
}
.notice, .summary, .toc, .section, .table-wrap {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 24px;
  margin-bottom: 18px;
}
.notice {
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}
.notice strong, .summary strong { color: var(--navy-dark); }
.toc h2, .section h2, .summary h2 {
  margin: 0 0 12px;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}
.section h3 {
  margin: 22px 0 10px;
  font-size: 1.05rem;
  color: var(--navy-dark);
}
.section h4 {
  margin: 18px 0 8px;
  font-size: 1rem;
  color: var(--text);
}
.toc ul, .section ul, .section ol {
  margin: 0;
  padding-left: 1.2rem;
}
.section li { margin-bottom: 8px; }
.section p { margin: 0 0 14px; }
.section p:last-child { margin-bottom: 0; }
.foot {
  color: var(--muted);
  font-size: 14px;
  margin-top: 28px;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--soft);
  color: var(--navy-dark);
  border: 1px solid #d7e4f6;
  border-radius: 999px;
  padding: 8px 12px;
  font-weight: 700;
  font-size: 13px;
}
.table-wrap table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.table-wrap th, .table-wrap td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.table-wrap th {
  color: var(--navy-dark);
  background: #f7faff;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .04em;
}
small.muted { color: var(--muted); }
@media (max-width: 720px) {
  .page { padding: 18px 14px 48px; }
  .hero { border-radius: 20px; padding: 24px 20px; }
  .notice, .summary, .toc, .section, .table-wrap { border-radius: 18px; padding: 18px; }
  .table-wrap { overflow-x: auto; }
  .table-wrap table { min-width: 760px; }
}
.warning-box {
  background: #fffaf0;
  border: 1px solid #f1d79b;
  border-radius: 18px;
  padding: 16px 18px;
  margin: 16px 0;
}
.warning-box strong { color: #6a4a00; }