:root {
  --navy: #002546;
  --navy-2: #0d3b66;
  --amber: #fea619;
  --bg: #faf8ff;
  --text: #131b2e;
  --muted: #475569;
  --border: #e2e8f0;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Work Sans", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}
a { color: var(--navy-2); }
a:hover { color: var(--navy); }
.site-header {
  background: var(--navy);
  color: #fff;
  padding: 1rem 1.25rem;
  border-bottom: 3px solid var(--amber);
}
.site-header a {
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
}
.site-header .tag {
  display: block;
  font-size: 0.7rem;
  opacity: 0.85;
  font-weight: 500;
  margin-top: 0.15rem;
}
.wrap {
  max-width: 820px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.75rem 1.5rem;
  box-shadow: 0 1px 2px rgba(0,37,70,0.04);
}
h1 {
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  font-size: 1.75rem;
  color: var(--navy);
  margin: 0 0 0.5rem;
  line-height: 1.25;
}
h2 {
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  font-size: 1.15rem;
  color: var(--navy);
  margin: 1.75rem 0 0.6rem;
}
.meta {
  color: var(--muted);
  font-size: 0.875rem;
  margin-bottom: 1.25rem;
}
.notice {
  background: #fff7ed;
  border: 1px solid #fdba74;
  color: #9a3412;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  font-size: 0.9rem;
  margin: 1rem 0 1.25rem;
}
ul { padding-left: 1.2rem; }
li { margin: 0.35rem 0; }
.site-footer {
  border-top: 1px solid var(--border);
  background: #fff;
  padding: 1.25rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}
.site-footer a { margin: 0 0.5rem; }
.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
  font-size: 0.9rem;
}
.btn-home {
  display: inline-block;
  margin-top: 0.5rem;
  background: var(--navy);
  color: #fff !important;
  text-decoration: none;
  padding: 0.65rem 1rem;
  border-radius: 10px;
  font-weight: 700;
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  font-size: 0.9rem;
}
.btn-home:hover { background: var(--navy-2); }