:root { color-scheme: light; font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", sans-serif; color: #22312b; background: #f5f7f5; }
body { margin: 0; }
main { max-width: 760px; margin: 48px auto; padding: 40px; background: #fff; border-radius: 20px; }
h1 { font-size: clamp(28px, 5vw, 42px); line-height: 1.3; margin: 24px 0; letter-spacing: -.025em; }
h2 { font-size: 21px; margin-top: 0; }
p { line-height: 1.9; overflow-wrap: anywhere; }
.label { color: #376850; font-size: 14px; }
.lead { font-size: 19px; }
section { margin-top: 36px; }
a { color: #216c50; text-underline-offset: 3px; }
footer { border-top: 1px solid #e2e9e4; margin-top: 40px; padding-top: 24px; font-size: 14px; }
footer a { display: inline-block; margin: 0 22px 12px 0; }
footer p { color: #657369; }
@media (max-width: 600px) { main { margin: 12px; padding: 24px; border-radius: 12px; } }