:root{--accent:#24856b;--ink:#172033;--muted:#667085;--bg:#f5f7fb;--card:#fff}
*{box-sizing:border-box}body{margin:0;font:16px/1.55 system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink);background:var(--bg)}
header{height:68px;display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100% - 1080px)/2));background:#fff;border-bottom:1px solid #e6eaf0}
.brand{font-weight:750;color:var(--ink);text-decoration:none;letter-spacing:-.02em}nav{display:flex;gap:22px}nav a{color:var(--muted);text-decoration:none}
main{max-width:1080px;margin:auto;padding:70px 24px}.hero{max-width:760px}.eyebrow{color:var(--accent);font-size:13px;font-weight:750;letter-spacing:.12em}
h1{font-size:clamp(36px,6vw,62px);line-height:1.05;letter-spacing:-.045em;margin:14px 0 20px}.hero>p:not(.eyebrow){font-size:19px;color:var(--muted)}
.button{display:inline-block;margin-top:18px;padding:12px 20px;background:var(--accent);color:white;text-decoration:none;border-radius:9px;font-weight:650}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:64px}article,.notice,.auth-card{background:var(--card);border:1px solid #e4e8ef;border-radius:16px;padding:25px;box-shadow:0 8px 28px rgba(20,33,61,.05)}
article h2{font-size:19px;margin:0}article p,.notice p{color:var(--muted)}article span{font-size:13px;color:#157f52;font-weight:700}.notice{margin-top:18px}
footer{max-width:1080px;margin:0 auto;padding:30px 24px 50px;color:var(--muted);font-size:14px}
.auth-page{min-height:100vh;display:grid;place-items:center;padding:24px}.auth-card{width:min(460px,100%);padding:38px}.auth-card h1{font-size:32px;margin-top:36px}.auth-card small{display:block;margin-top:28px;color:var(--muted)}
@media(max-width:760px){.grid{grid-template-columns:1fr}header{padding:0 20px}main{padding-top:48px}}