:root {
  --bg: #ffffff;
  --fg: #171717;
  --muted: #6b6b6b;
  --line: #e5e5e5;
  --green: #3ba574;
  --green-ink: #257a52;
  --tint: #eaf6f0;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0e0e0e; --fg: #f2f2f2; --muted: #9b9b9b; --line: #2c2c2c; --green-ink: #5cc592; --tint: #15301f; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 Figtree, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { color: var(--green-ink); }
.wrap { max-width: 720px; margin: 0 auto; padding: 32px 20px 64px; }
header.top { display: flex; align-items: center; gap: 10px; margin-bottom: 32px; }
header.top a { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--fg); font-weight: 800; font-size: 20px; }
header.top img { width: 36px; height: 36px; border-radius: 9px; }
h1 { font-size: 34px; line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 8px; }
h2 { font-size: 21px; margin: 32px 0 8px; }
.updated { color: var(--muted); margin: 0 0 24px; }
.note { background: var(--tint); border-radius: 14px; padding: 14px 16px; margin: 20px 0; }
ul { padding-left: 22px; }
li { margin: 4px 0; }
footer { border-top: 1px solid var(--line); margin-top: 48px; padding-top: 20px; color: var(--muted); font-size: 15px; display: flex; flex-wrap: wrap; gap: 16px; }
footer a { color: var(--muted); }

/* Home */
.hero { text-align: center; padding: 24px 0 8px; }
.hero img { width: 220px; max-width: 70%; height: auto; }
.hero h1 { font-size: 44px; margin-top: 12px; }
.hero p { color: var(--muted); font-size: 19px; max-width: 460px; margin: 8px auto 0; }
.badge { display: inline-block; margin-top: 24px; padding: 12px 22px; border-radius: 14px; background: var(--green); color: #fff; font-weight: 700; text-decoration: none; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-top: 40px; }
.features div { border: 1px solid var(--line); border-radius: 16px; padding: 16px; }
.features b { display: block; margin-bottom: 4px; }
.features span { color: var(--muted); font-size: 15px; }