:root{--ink:#14232f;--muted:#5a6b78;--brand:#0b7a75;--brand-d:#075a56;--bg:#f6f9fa;--card:#fff;--line:#dfe7eb;--warn:#fff7e6;--warn-l:#f0c36d}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--brand)}a:hover{color:var(--brand-d)}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
header.site{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;flex-wrap:wrap}
.logo{font-weight:700;font-size:1.15rem;color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:10px}
.logo span.mark{width:30px;height:30px;border-radius:8px;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:.8rem}
nav a{margin-left:18px;text-decoration:none;color:var(--muted);font-weight:500}
nav a:hover,nav a[aria-current]{color:var(--brand)}
@media(max-width:640px){nav{width:100%;padding-bottom:10px}nav a{margin:0 14px 0 0;font-size:.95rem}}
.hero{background:linear-gradient(135deg,#0b7a75,#0e4f6e);color:#fff;padding:72px 0 64px}
.hero h1{font-size:clamp(2rem,4.5vw,3rem);line-height:1.15;margin:0 0 16px;max-width:780px}
.hero p{font-size:1.15rem;max-width:680px;opacity:.95;margin:0 0 28px}
.btn{display:inline-block;padding:12px 20px;border-radius:10px;background:#fff;color:var(--brand-d);font-weight:600;text-decoration:none;margin:0 10px 10px 0}
.btn.alt{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7)}
.btn.solid{background:var(--brand);color:#fff}
section{padding:48px 0}
h2{font-size:1.7rem;margin:0 0 12px}
.lead{color:var(--muted);max-width:720px;margin-top:0}
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px}
.card h3{margin:0 0 6px;font-size:1.15rem}
.card p{margin:0 0 10px}
.card .co{color:var(--muted);font-size:.92rem;margin-bottom:10px}
.tag{display:inline-block;font-size:.78rem;background:#e6f3f2;color:var(--brand-d);border-radius:999px;padding:2px 10px;margin:0 6px 6px 0}
.reg{font-size:.9rem;border-top:1px dashed var(--line);padding-top:10px;margin-top:10px}
.reg.ok::before{content:"✓ ";color:var(--brand);font-weight:700}
.reg.nv{color:var(--muted)}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 22px}
.filters button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 14px;font:inherit;font-size:.92rem;cursor:pointer;color:var(--ink)}
.filters button[aria-pressed="true"]{background:var(--brand);color:#fff;border-color:var(--brand)}
.notice{background:var(--warn);border:1px solid var(--warn-l);border-radius:12px;padding:14px 18px;font-size:.95rem}
.box{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px}
form.nl{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
form.nl input{flex:1;min-width:220px;padding:12px;border:1px solid var(--line);border-radius:10px;font:inherit;background:#f1f4f5}
form.nl button{padding:12px 18px;border:0;border-radius:10px;background:#9db3b2;color:#fff;font:inherit;font-weight:600;cursor:not-allowed}
article{background:#fff;border:1px solid var(--line);border-radius:14px;padding:clamp(20px,4vw,44px);max-width:800px;margin:36px auto}
article h1{font-size:clamp(1.7rem,3.5vw,2.3rem);line-height:1.2;margin-top:0}
article .meta{color:var(--muted);font-size:.92rem}
article h2{font-size:1.3rem;margin-top:30px}
ol.refs{font-size:.92rem;color:var(--muted)}
footer.site{border-top:1px solid var(--line);background:#fff;padding:30px 0;font-size:.9rem;color:var(--muted);margin-top:40px}
footer.site p{margin:6px 0}
.two{display:grid;gap:22px;grid-template-columns:1fr 1fr}@media(max-width:760px){.two{grid-template-columns:1fr}}
.count{color:var(--muted);font-size:.92rem}
@media(max-width:840px){article{margin:20px 12px}}