:root { color-scheme: light; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #1f2937; background: #f8faf8; }
* { box-sizing: border-box; }
body { margin: 0; line-height: 1.65; }
header, footer { background: #14532d; color: #fff; }
header div, footer div, main { width: min(100% - 2rem, 54rem); margin: 0 auto; }
header div, footer div { padding: 1.25rem 0; }
header a, footer a { color: #fff; }
main { background: #fff; padding: 2rem; margin-top: 2rem; margin-bottom: 2rem; border-radius: .75rem; box-shadow: 0 1px 3px rgb(0 0 0 / .12); }
h1, h2 { color: #14532d; line-height: 1.25; }
h1 { font-size: clamp(1.8rem, 5vw, 2.6rem); }
h2 { margin-top: 2rem; font-size: 1.35rem; }
a { color: #166534; }
.notice { padding: 1rem; border-left: .3rem solid #d97706; background: #fffbeb; }
.meta { color: #4b5563; }
nav { display: flex; gap: 1rem; flex-wrap: wrap; }
@media (max-width: 40rem) { main { padding: 1.25rem; margin-top: 0; border-radius: 0; } }