:root { --ink:#1B1B1F; --muted:#5A5A60; --bg:#F4F3EE; --card:#fff; --accent:#C8501F; --green:#1F6F5C; --line:#E6E4DC; }
* { box-sizing: border-box; }
body { margin:0; font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; color:var(--ink); background:var(--bg); line-height:1.5; }
a { color:var(--accent); }
.top { display:flex; justify-content:space-between; align-items:center; padding:14px 20px; background:#fff; border-bottom:1px solid var(--line); }
.brand { text-decoration:none; color:var(--ink); }
.logo { font-weight:800; font-size:22px; letter-spacing:-0.5px; } .logo b { color:var(--accent); }
.top nav a { margin-left:16px; color:var(--muted); text-decoration:none; font-size:14px; }
.wrap { max-width: 960px; margin: 0 auto; padding: 24px 16px 48px; }
.hero { text-align:center; padding: 40px 0 24px; }
.hero h1 { font-size: clamp(26px, 5vw, 40px); line-height:1.15; margin:0 0 12px; }
.lead { font-size:18px; color:var(--muted); max-width:620px; margin:0 auto 10px; } .lead.small { font-size:15px; }
.code { font-size:32px; font-weight:800; letter-spacing:4px; background:#fff; display:inline-block; padding:10px 20px; border-radius:12px; border:1px solid var(--line); }
.three { display:grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap:16px; margin-top:24px; }
.three div { background:var(--card); border-radius:16px; padding:18px; border:1px solid var(--line); }
.three h3 { margin:0 0 6px; }
.doc { background:#fff; border-radius:16px; padding: 24px; border:1px solid var(--line); }
.doc.narrow { max-width: 520px; margin: 0 auto; }
.doc h1 { font-size:26px; margin-top:0; } .doc h2 { font-size:19px; margin-top:22px; }
label { display:block; margin: 12px 0; font-weight:600; }
input[type=text], input[type=tel] { display:block; width:100%; margin-top:6px; padding:12px; font-size:16px; border:1px solid #ccc; border-radius:10px; font-weight:400; }
button { padding:12px 18px; font-size:16px; border:0; border-radius:12px; background:var(--accent); color:#fff; font-weight:700; cursor:pointer; }
button.danger { background:#A8321A; }
.error { color:#A8321A; font-weight:600; } .ok { color:var(--green); font-weight:600; }
.foot { text-align:center; color:var(--muted); font-size:13px; padding: 20px; border-top:1px solid var(--line); }
.doc table { width:100%; border-collapse:collapse; margin:12px 0; font-size:14px; }
.doc th, .doc td { border:1px solid var(--line); padding:6px 8px; text-align:left; vertical-align:top; }
.doc th { background:#FAF9F5; }