:root {
  --primary: #005C24;
  --primary-dark: #003f19;
  --bg: #f5f7f6;
  --text: #1f2937;
  --muted: #5f6b66;
  --card: #ffffff;
  --border: #dfe7e2;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}
header {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  padding: 36px 20px;
}
.header-wrap, main, footer .footer-wrap {
  width: min(980px, calc(100% - 32px));
  margin: auto;
}
.brand {
  font-size: 14px;
  letter-spacing: .08em;
  text-transform: uppercase;
  opacity: .9;
}
h1 { margin: 8px 0 0; font-size: clamp(28px, 5vw, 42px); }
.updated { margin-top: 8px; opacity: .9; font-size: 14px; }
main {
  background: var(--card);
  margin-top: 28px;
  margin-bottom: 28px;
  padding: clamp(22px, 5vw, 48px);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(0, 54, 24, .06);
}
h2 {
  color: var(--primary);
  margin-top: 34px;
  line-height: 1.25;
}
h2:first-child { margin-top: 0; }
a { color: var(--primary); }
.notice {
  background: #eef8f1;
  border-left: 4px solid var(--primary);
  padding: 14px 16px;
  border-radius: 8px;
}
ul { padding-left: 22px; }
footer {
  background: #0f1f17;
  color: #dfe9e3;
  padding: 24px 20px;
}
.footer-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: space-between;
}
footer a { color: #ffffff; }
.small { font-size: 14px; color: var(--muted); }
@media (max-width: 640px) {
  main { border-radius: 0; width: 100%; margin-top: 0; }
}