* { box-sizing: border-box; }
html { color-scheme: light; font: 100%/1.65 system-ui, sans-serif; background: #f4f7fc; color: #162337; }
body { max-width: 46rem; margin: auto; padding: 1.25rem; overflow-wrap: anywhere; }
header, footer { padding: 1rem 0; }
nav { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; }
a { color: #0055cc; text-underline-offset: .2em; }
a:focus-visible { outline: 3px solid #0055cc; outline-offset: 4px; }
nav a { padding: .5rem 0; }
main { background: white; padding: clamp(1rem, 4vw, 2.5rem); border: 1px solid #d4dfef; border-radius: 1rem; }
h1 { font-size: 2rem; line-height: 1.2; margin-top: 0; }
h2 { font-size: 1.25rem; line-height: 1.35; margin-top: 2rem; }
p { margin: 1rem 0; }
.notice { border-left: 4px solid #0055cc; padding-left: 1rem; }
.skip { display: inline-block; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }