:root { color-scheme: light; font-family: -apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC",sans-serif; }
* { box-sizing: border-box; }
body { margin: 0; color: #17151d; background: #f8f8fb; }
main { width: min(760px,calc(100% - 40px)); margin: 0 auto; padding: 56px 0 80px; }
nav { margin-bottom: 42px; }
a { color: #315fd5; text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { margin: 0 0 10px; font-size: clamp(36px,8vw,60px); letter-spacing: -.05em; }
h2 { margin-top: 36px; font-size: 22px; }
p,li { color: #55515d; font-size: 16px; line-height: 1.85; }
.meta { color: #85808c; }
.notice { padding: 18px 20px; border-radius: 16px; background: #eef1ff; }
footer { border-top: 1px solid #e4e2e8; padding-top: 24px; margin-top: 48px; color: #85808c; }