:root {
  color-scheme: light;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #0f1410;
  background: #fafaf7;
}

* { box-sizing: border-box; }
body { margin: 0; line-height: 1.65; }
main { width: min(760px, calc(100% - 40px)); margin: 0 auto; padding: 56px 0 80px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; }
.dot { width: 14px; height: 14px; border-radius: 50%; background: #0f3d2e; box-shadow: 10px 0 0 #e8ff4d; margin-right: 10px; }
h1 { font-size: clamp(2rem, 6vw, 3.6rem); line-height: 1.05; letter-spacing: -0.04em; margin: 42px 0 16px; }
h2 { margin-top: 40px; font-size: 1.35rem; }
p, li { color: #38413c; }
.meta, .note { color: #5c6360; }
.card { margin: 28px 0; padding: 22px; border: 1px solid #e6e4dc; border-radius: 18px; background: #fff; }
.button { display: inline-block; padding: 12px 18px; border-radius: 999px; color: #fff; background: #0f3d2e; text-decoration: none; font-weight: 700; }
a { color: #0f3d2e; }
footer { margin-top: 56px; padding-top: 24px; border-top: 1px solid #e6e4dc; color: #5c6360; }