:root { color-scheme: light; font-family: system-ui, sans-serif; color: #18221c; background: #fff; }
* { box-sizing: border-box; }
body { margin: 0; line-height: 1.75; }
header, main, footer { max-width: 860px; margin: auto; padding: 24px; }
header { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px; border-bottom: 1px solid #dce2d8; }
nav { display: flex; flex-wrap: wrap; gap: 20px; }
a { color: #365719; text-underline-offset: 4px; }
h1 { font-size: clamp(2rem, 6vw, 3rem); line-height: 1.2; }
h2 { line-height: 1.3; margin-top: 2rem; }
.meta { color: #52614f; font-size: .9rem; }
.notice { padding: 20px; border-left: 4px solid #92bd00; background: #f4f8eb; }
footer { border-top: 1px solid #dce2d8; font-size: .9rem; }
section { scroll-margin-top: 24px; }
li { margin-bottom: 8px; }
a:focus-visible { outline: 3px solid #365719; outline-offset: 4px; }