:root{--blue:#2463eb;--blue-l:#38bdf8;--blue-d:#1d4ed8;--ink:#0f172a;--body:#475569;--mut:#64748b;--bd:#e2e8f0;--bg:#f8fafc}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;color:var(--body);background:#fff;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--blue-d);text-decoration:underline}
img{max-width:100%}
.wrap{max-width:820px;margin:0 auto;padding:0 24px}
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--bd)}
.nav-in{display:flex;align-items:center;gap:20px;height:64px;max-width:1080px;margin:0 auto;padding:0 24px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:18px;color:var(--ink)}
.logo:hover{color:var(--ink);text-decoration:none}
.logo img{width:28px;height:28px;object-fit:contain}
.nav-links{display:flex;gap:22px;margin-left:auto;flex-wrap:wrap}
.nav-links a{font-size:14px;font-weight:500;color:var(--mut)}
.nav-links a:hover{color:var(--ink);text-decoration:none}
.nav-links a.on{color:var(--blue);font-weight:600}
.hdr{background:linear-gradient(135deg,#eff6ff 0%,#f0f9ff 50%,#fff 100%);border-bottom:1px solid var(--bd);padding:56px 0 44px}
.eyebrow{font-size:11.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);margin-bottom:14px}
h1{font-size:clamp(30px,4vw,42px);line-height:1.15;font-weight:800;color:var(--ink);letter-spacing:-.02em}
.upd{margin-top:14px;font-size:14px;color:var(--mut)}
main{padding:48px 0 72px}
h2{font-size:20px;font-weight:700;color:var(--ink);letter-spacing:-.01em;margin:44px 0 14px;line-height:1.3}
h2:first-child{margin-top:0}
h3{font-size:16px;font-weight:700;color:var(--ink);margin:28px 0 10px}
p{font-size:16px;margin-bottom:16px;text-wrap:pretty}
ul{margin:0 0 18px 0;padding-left:0;list-style:none;display:flex;flex-direction:column;gap:11px}
li{font-size:16px;padding-left:22px;position:relative;text-wrap:pretty}
li::before{content:"";position:absolute;left:4px;top:11px;width:6px;height:6px;border-radius:50%;background:var(--blue-l)}
strong{color:var(--ink);font-weight:600}
.lead{font-size:17px}
.note{background:var(--bg);border:1px solid var(--bd);border-left:3px solid var(--blue);border-radius:10px;padding:20px 22px;margin:22px 0}
.note p:last-child{margin-bottom:0}
.contact{background:var(--bg);border:1px solid var(--bd);border-radius:14px;padding:26px 28px;margin:22px 0 0}
.contact dl{display:grid;grid-template-columns:88px 1fr;gap:12px 18px;font-size:16px}
.contact dt{font-weight:600;color:var(--mut);font-size:14px;padding-top:1px}
.contact dd{color:var(--ink)}
.opt{border:1px solid var(--bd);border-radius:14px;padding:24px 26px;margin-bottom:16px}
.tbl-wrap{overflow-x:auto;margin:18px 0 22px;border:1px solid var(--bd);border-radius:12px}
table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:460px}
th{text-align:left;font-weight:700;color:var(--ink);background:var(--bg);padding:12px 16px;border-bottom:1px solid var(--bd);font-size:13px;letter-spacing:.02em}
td{padding:12px 16px;border-bottom:1px solid #f1f5f9;vertical-align:top;line-height:1.6}
tr:last-child td{border-bottom:none}
code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em;background:#eff6ff;color:var(--blue-d);padding:2px 6px;border-radius:5px}
ol{margin:0 0 18px 0;padding-left:22px;display:flex;flex-direction:column;gap:11px}
ol li{font-size:16px;padding-left:0}
ol li::before{display:none}
.opt h3{margin-top:0}
.opt p:last-child{margin-bottom:0}
.foot{border-top:1px solid var(--bd);padding:34px 0;background:var(--bg)}
.foot-in{max-width:1080px;margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.foot-links{display:flex;gap:22px;margin-left:auto;flex-wrap:wrap}
.foot-links a,.foot p{font-size:13.5px;color:var(--mut)}
.foot p{margin:0}
@media (max-width:640px){
  .nav-in{height:auto;padding:12px 18px;gap:12px}
  .nav-links{margin-left:0;width:100%;gap:16px}
  .wrap{padding:0 18px}
  .hdr{padding:38px 0 30px}
  main{padding:34px 0 52px}
  h2{font-size:18.5px;margin:34px 0 12px}
  p,li{font-size:15.5px}
  .contact,.opt{padding:20px}
  .contact dl{grid-template-columns:1fr;gap:4px}
  .contact dt{margin-top:8px}
  .foot-in{flex-direction:column;align-items:flex-start}
  .foot-links{margin-left:0}
}