:root { color-scheme: light; font-family: system-ui, sans-serif; line-height: 1.65; color: #172b3a; background: #f8fafc; }
body { margin: 0; }
main { max-width: 52rem; margin: auto; padding: 2rem 1.25rem 4rem; }
nav { padding-bottom: 1.5rem; border-bottom: 1px solid #cbd5e1; }
a { color: #00616b; text-underline-offset: .2em; overflow-wrap: anywhere; }
a:focus-visible { outline: 3px solid #00616b; outline-offset: 3px; }
h1, h2 { line-height: 1.25; }
h1 { font-size: 2rem; }
h2 { margin-top: 2rem; font-size: 1.3rem; }
section { scroll-margin-top: 1rem; }
section + section { margin-top: 4rem; border-top: 1px solid #cbd5e1; padding-top: 2rem; }
.notice { padding: 1rem; border-left: 4px solid #00616b; background: #e3f2f3; }
li { margin-block: .5rem; }