:root {
  color-scheme: light dark;
  --bg: #f6f7f8;
  --card: #ffffff;
  --text: #18202a;
  --muted: #5f6b7a;
  --line: #dfe4ea;
  --accent: #0b6e4f;
  --accent-soft: #e3f3ed;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111417;
    --card: #1a1f24;
    --text: #edf1f4;
    --muted: #a8b2bd;
    --line: #303840;
    --accent: #62d3aa;
    --accent-soft: #18382e;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.72;
}

main {
  width: min(760px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 72px;
}

header, section {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px;
  margin-bottom: 16px;
}

.eyebrow {
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
}

h1 { margin: 8px 0 6px; font-size: clamp(30px, 7vw, 44px); line-height: 1.2; }
h2 { margin: 0 0 10px; font-size: 21px; }
p, ul { margin: 8px 0 0; }
ul { padding-left: 1.25em; }
a { color: var(--accent); }
.muted { color: var(--muted); }
.notice { background: var(--accent-soft); border-color: transparent; }
.links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.links a {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 14px;
  text-decoration: none;
  font-weight: 650;
}
footer { color: var(--muted); font-size: 14px; text-align: center; padding-top: 12px; }