:root {
  --brand: #0b4c8b;
  --brand-dark: #083a69;
  --accent: #f39c12;
  --text: #222;
  --muted: #666;
  --bg: #fff;
  --bg-soft: #f7f9fc;
  --maxw: 1100px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-dark); text-decoration: underline; }
img { max-width: 100%; display: block; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 16px; }
.header {
  border-bottom: 1px solid #e6eef8;
  background: var(--bg-soft);
}
.header .topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 0;
}
.brand {
  display: flex; align-items: center; gap: 12px;
}
.brand__logo {
  width: 44px; height: 44px; border-radius: 6px;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
}
.brand__text { font-weight: 700; font-size: 1.1rem; color: var(--brand-dark); }

.nav {
  display: flex; gap: 18px; flex-wrap: wrap;
}
.nav a { padding: 10px 8px; font-weight: 600; color: var(--text); }
.nav a.active { color: var(--brand); border-bottom: 2px solid var(--brand); }

.hero {
  background: radial-gradient(1000px 300px at 20% -100%, #eaf3ff, transparent), var(--bg);
  padding: 48px 0;
}
.hero h1 { margin: 0 0 10px; font-size: 2rem; }
.hero p { color: var(--muted); margin: 0 0 16px; }
.cta {
  display: inline-block; background: var(--brand); color: #fff;
  padding: 12px 18px; border-radius: 6px; font-weight: 700;
}
.cta.secondary { background: #fff; color: var(--brand); border: 1px solid var(--brand); }

.section { padding: 40px 0; }
.section h2 { margin-top: 0; font-size: 1.6rem; }
.grid {
  display: grid; gap: 16px;
}
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .grid.cols-3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .grid.cols-3, .grid.cols-2 { grid-template-columns: 1fr; } }

.card {
  border: 1px solid #e6eef8; border-radius: 8px; padding: 16px; background: #fff;
}
.card h3 { margin-top: 0; }

.table {
  width: 100%; border-collapse: collapse; font-size: 0.95rem;
}
.table th, .table td {
  border: 1px solid #dbe7f7; padding: 8px; text-align: left;
}
.table th { background: #f1f6fd; }

.badge {
  display: inline-block; background: #eef5ff; color: var(--brand-dark);
  padding: 4px 8px; border-radius: 999px; font-size: 0.8rem; font-weight: 700;
  border: 1px solid #cfe0fb;
}

.footer {
  border-top: 1px solid #e6eef8; padding: 24px 0; background: var(--bg-soft);
  color: var(--muted); font-size: 0.95rem;
}
.footer .cols { display: grid; gap: 18px; grid-template-columns: 2fr 1fr 1fr; }
.footer small { display: block; margin-top: 8px; }
@media (max-width: 800px) { .footer .cols { grid-template-columns: 1fr; } }

.breadcrumb { font-size: 0.9rem; color: var(--muted); margin-bottom: 8px; }
.breadcrumb a { color: var(--muted); }
.taglist { display: flex; gap: 8px; flex-wrap: wrap; }

.notice {
  background: #fff9e6;
  border: 1px solid #ffe7a3;
  padding: 10px 12px; border-radius: 6px; color: #6b4f00;
}

/* Utility */
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.center { text-align: center; }