:root {
  --bg: #0e1117;
  --panel: #161b22;
  --text: #f0f6fc;
  --muted: #a8b0bb;
  --line: rgba(255, 255, 255, 0.1);
  --accent: #ff6a1a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.7 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

main {
  width: min(920px, calc(100% - 32px));
  margin: 32px auto;
  padding: clamp(24px, 5vw, 48px);
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--panel);
}

h1,
h2 {
  line-height: 1.25;
}

h1 {
  margin: 18px 0 8px;
  font-size: clamp(28px, 6vw, 42px);
}

h2 {
  margin: 34px 0 12px;
  font-size: clamp(21px, 4vw, 27px);
}

p,
li {
  color: var(--muted);
}

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

a {
  color: var(--accent);
  text-underline-offset: 3px;
}

.back-link {
  display: inline-flex;
  color: var(--muted);
}

.document-date {
  margin-top: 0;
  color: var(--muted);
  font-size: 14px;
}

.notice {
  padding: 18px;
  border: 1px solid rgba(255, 106, 26, 0.35);
  border-radius: 16px;
  background: rgba(255, 106, 26, 0.08);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
}

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

th {
  color: var(--text);
}

@media (max-width: 640px) {
  main {
    width: min(100% - 20px, 920px);
    margin: 10px auto;
    padding: 20px;
    border-radius: 18px;
  }

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

  th {
    border-bottom: 0;
  }
}