:root{--green-900:#0f2e1d;--green-700:#1f6f43;--green-600:#278552;--green-100:#e3f0e7;--water-700:#1f6b8a;--water-100:#e2eff5;--ink:#17271e;--muted:#55685c;--bg:#f6faf7;--surface:#fff;--line:#d8e4db;--radius:10px;--max-width:46rem;--tap:44px;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Arial, sans-serif}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{font-family:var(--font);color:var(--ink);background:var(--bg);flex-direction:column;min-height:100vh;margin:0;font-size:1rem;line-height:1.6;display:flex}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 1rem}.site-header{background:var(--green-900);color:#fff}.site-header .container{min-height:var(--tap);justify-content:space-between;align-items:center;padding-top:.5rem;padding-bottom:.5rem;display:flex}.brand{color:#fff;letter-spacing:.01em;min-height:var(--tap);align-items:center;font-size:1.15rem;font-weight:700;text-decoration:none;display:inline-flex}.brand:hover{text-decoration:underline}main{flex:1;padding:1.5rem 0 3rem}h1{margin:0 0 .75rem;font-size:1.75rem;line-height:1.25}h2{margin:2rem 0 .5rem;font-size:1.25rem;line-height:1.3}p{margin:0 0 1rem}a{color:var(--water-700)}ul,ol{margin:0 0 1rem;padding-left:1.4rem}li{margin-bottom:.35rem}.hero{background:linear-gradient(160deg, var(--green-100), var(--water-100));border:1px solid var(--line);border-radius:var(--radius);text-align:center;margin-bottom:1.5rem;padding:2rem 1.25rem}.hero h1{margin-bottom:.5rem}.hero .tagline{color:var(--muted);margin:0;font-size:1.05rem}.features{grid-template-columns:1fr;gap:1rem;margin-bottom:1.5rem;padding:0;list-style:none;display:grid}.feature{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);margin:0;padding:1.25rem}.feature h2{color:var(--green-700);margin:0 0 .4rem;font-size:1.1rem}.feature p{color:var(--muted);margin:0}.notice{background:var(--surface);border-left:4px solid var(--green-600);border-radius:0 var(--radius) var(--radius) 0;color:var(--muted);padding:1rem 1.25rem}.policy .updated{color:var(--muted);margin-bottom:1.5rem;font-size:.9rem}.site-footer{background:var(--green-900);color:#cfe0d5;padding:1.5rem 0;font-size:.85rem}.site-footer p{margin:0 0 .75rem}.footer-nav{flex-wrap:wrap;gap:.25rem 1.25rem;margin:0;padding:0;list-style:none;display:flex}.footer-nav a{color:#fff;min-height:var(--tap);align-items:center;display:inline-flex}@media (min-width:40rem){h1{font-size:2.1rem}.hero{padding:3rem 2rem}.features{grid-template-columns:repeat(3,1fr)}}