:root { color-scheme: light; --ink: #213c32; --muted: #54685d; --paper: #f7f8f1; --line: #d7dfd1; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.75 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: #286042; text-underline-offset: .2em; }
a:hover { color: #153a25; }
a:focus-visible { outline: 3px solid #699d3e; outline-offset: 5px; }
.skip { position: absolute; left: 1rem; top: -6rem; background: white; padding: .5rem; }
.skip:focus { top: 1rem; }
.shell { width: min(100% - 3rem, 1080px); margin-inline: auto; }
header { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; align-items: center; padding-block: 1.8rem; border-bottom: 1px solid var(--line); }
.brand { font-size: 1.2rem; font-weight: 750; text-decoration: none; color: var(--ink); letter-spacing: -.04em; }
.brand span { color: #738c48; padding-right: .5rem; }
nav { display: flex; gap: 1.5rem; font-size: .9rem; }
.eyebrow { color: var(--muted); text-transform: uppercase; font-size: .75rem; font-weight: 700; letter-spacing: .15em; }
.hero { padding: 5rem 0 4rem; max-width: 800px; }
h1 { font-size: clamp(2.5rem, 7vw, 4.7rem); line-height: 1.1; letter-spacing: -.055em; font-weight: 650; margin: 1rem 0 1.8rem; text-wrap: balance; }
.hero p { font-size: 1.2rem; max-width: 600px; color: var(--muted); }
.button { display: inline-block; margin-top: 1rem; background: var(--ink); color: #fff; border-radius: 2rem; padding: .7rem 1.4rem; text-decoration: none; font-weight: 600; font-size: .95rem; }
.button:hover { color: white; background: #315541; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.5rem; padding: 2rem 0 4rem; border-top: 1px solid var(--line); }
.features h2 { font-size: 1.1rem; font-weight: 650; }
.features p { font-size: .95rem; color: var(--muted); }
.document { max-width: 760px; padding: 3rem 0 5rem; }
.document h1 { font-size: clamp(2.5rem, 6vw, 3.8rem); }
.document h2 { font-size: 1.3rem; line-height: 1.35; margin: 2.8rem 0 .8rem; letter-spacing: -.02em; }
.document p, .document ul { margin: 0 0 1rem; }
.document li { padding-left: .25rem; margin-bottom: .5rem; }
.document a { overflow-wrap: anywhere; }
.date { color: var(--muted); font-size: .9rem; }
.contents { border-left: 2px solid var(--line); padding: .5rem 1.5rem; margin: 2rem 0; }
.contents a { display: block; font-size: .9rem; }
.notice { background: #fff0c6; color: #5c4512; border: 1px solid #c9a557; padding: 1rem; margin: 1.5rem 0; }
footer { border-top: 1px solid var(--line); padding-block: 1.5rem; display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; color: var(--muted); font-size: .85rem; }
@media (max-width: 650px) { .shell { width: calc(100% - 2rem); } .hero { padding-top: 3rem; } .features { grid-template-columns: 1fr; gap: .8rem; } .document { padding-top: 2rem; } }