:root {
  --primary: #5C6BC0;
  --primary-light: #7986CB;
  --text: #2C2C2C;
  --text-muted: #5A5A5A;
  --bg: #F5F3EF;
  --surface: #ffffff;
  --border: #D9D4CC;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 28px 20px 56px;
}

.card {
  background: var(--surface);
  border-radius: 12px;
  padding: 28px 24px 36px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

h1 {
  margin: 0 0 8px;
  font-size: 1.75rem;
  color: var(--primary);
}

h2 {
  margin: 32px 0 12px;
  font-size: 1.12rem;
  color: var(--primary);
}

p, li, td { color: var(--text-muted); }
p { margin: 0 0 12px; }

.meta {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.meta strong { color: var(--text); }

.lead {
  font-size: 1.02rem;
  color: var(--text);
}

.notice {
  margin: 20px 0;
  padding: 12px 14px;
  border-left: 4px solid var(--primary-light);
  background: #eef0fa;
  border-radius: 0 8px 8px 0;
  font-size: 0.95rem;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 20px 0 0;
}

.nav-links a {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 8px;
  background: #eef0fa;
  text-decoration: none;
  font-weight: 600;
}

ul {
  margin: 0 0 12px;
  padding-left: 22px;
}

li { margin-bottom: 6px; }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0 16px;
  font-size: 0.95rem;
}

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

th {
  background: #eef0fa;
  color: var(--text);
  font-weight: 600;
}

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 28px 0;
}

a {
  color: var(--primary);
  word-break: break-word;
}

.contact {
  margin-top: 8px;
  font-weight: 600;
  color: var(--primary);
}

footer {
  margin-top: 24px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

@media (prefers-color-scheme: dark) {
  :root {
    --text: #e8e6e3;
    --text-muted: #b8b4ad;
    --bg: #1e1e1e;
    --surface: #2a2a2a;
    --border: #444;
  }

  .notice, .nav-links a { background: #2d3148; }
  th { background: #2d3148; color: var(--text); }
}

@media (max-width: 600px) {
  .card { padding: 22px 16px 28px; }
  table, thead, tbody, th, td, tr { display: block; }
  thead { display: none; }
  tr {
    margin-bottom: 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
  }
  td {
    border: none;
    border-bottom: 1px solid var(--border);
  }
  td:last-child { border-bottom: none; }
  td::before {
    content: attr(data-label);
    display: block;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
  }
}