:root { color-scheme: light; }
* { box-sizing: border-box; }
body { margin: 0; background: #f6f8fb; color: #20242a; font: 16px/1.65 Arial, sans-serif; }
main { max-width: 860px; margin: 0 auto; padding: 48px 24px 64px; }
header { border-bottom: 1px solid #dfe5ec; margin-bottom: 32px; padding-bottom: 24px; }
h1 { color: #135ec7; font-size: clamp(2rem, 5vw, 2.75rem); line-height: 1.15; margin: 0 0 12px; }
h2 { color: #20242a; font-size: 1.3rem; line-height: 1.3; margin: 32px 0 10px; }
p, li { max-width: 75ch; }
a { color: #135ec7; }
.notice { border-left: 4px solid #135ec7; background: #eaf2ff; padding: 14px 16px; }
.meta { color: #59636f; margin: 0; }
footer { border-top: 1px solid #dfe5ec; color: #59636f; margin-top: 40px; padding-top: 20px; }