*{box-sizing:border-box}:root{--n:#071a35;--b:#14509f;--y:#ffd51b;--p:#f4f7fb;--m:#66758a;--l:#dce5ef}body{margin:0;font-family:system-ui,-apple-system,sans-serif;background:var(--p);color:#0d1d31}header{min-height:76px;background:var(--n);color:#fff;display:flex;align-items:center;gap:10px;padding:10px max(20px,calc((100vw - 1120px)/2));position:sticky;top:0;z-index:10}header img{width:48px;height:48px;object-fit:contain;background:#fff;border-radius:11px;padding:4px}header div{display:flex;flex-direction:column}header small{opacity:.65;font-size:.62rem;text-transform:uppercase;letter-spacing:.12em}header button{border:0;border-radius:999px;padding:10px 13px;font-weight:800}#help{margin-left:auto}.hero{background:linear-gradient(130deg,#06172f,#0d3976);color:#fff;min-height:390px;padding:60px max(20px,calc((100vw - 1120px)/2));display:flex;align-items:center;justify-content:space-between}.hero b,.title b{font-size:.7rem;letter-spacing:.15em;color:var(--y)}.hero h1{font-size:clamp(3rem,7vw,6rem);line-height:.9;letter-spacing:-.05em;margin:12px 0}.hero em{font-style:normal;color:var(--y)}.hero>span{font-size:8rem}.hero p{color:#d7e5f8}main{max-width:1120px;margin:auto;padding:48px 20px 70px}section+section{margin-top:58px}.title{display:flex;justify-content:space-between;align-items:end}.title b{color:var(--b)}.title h2{font-size:clamp(2rem,5vw,3.3rem);margin:5px 0}.title>span{background:#e7f8ef;color:#14784b;padding:8px 12px;border-radius:999px;font-size:.78rem;font-weight:800}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.card{background:#fff;border:1px solid var(--l);border-radius:24px;padding:22px;box-shadow:0 18px 48px #08265117}.card h3{font-size:1.6rem}.meta{color:var(--m);line-height:1.7}.tag{display:inline-block;background:#eaf2fc;color:var(--b);border-radius:999px;padding:6px 9px;font-size:.7rem;font-weight:900}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.actions a,.actions button{border:0;border-radius:11px;padding:10px 13px;font-weight:800;text-decoration:none}.primary{background:var(--n);color:#fff}.soft{background:#eaf0f7;color:var(--n)}.notice{background:#fff8d1;border:1px solid #e4d168;border-radius:18px;padding:19px}dialog{border:0;border-radius:24px;padding:26px;max-width:650px;width:min(92vw,650px)}dialog::backdrop{background:#06172fb8}dialog>.x{float:right;border:0;background:none;font-size:2rem}dialog>[data-f],dialog>[data-os]{display:block;width:100%;margin:9px 0;border:1px solid var(--l);background:#f8fafc;border-radius:13px;padding:14px;text-align:left;font-weight:800}.detailgrid{display:grid;grid-template-columns:1fr 1fr;gap:11px}.box,.step{background:#f7f9fc;border-radius:13px;padding:13px}.warning{background:#fff8d1;border:1px solid #e4d168;border-radius:14px;padding:14px;margin-top:14px}footer{background:var(--n);color:#b8c9e0;padding:28px;text-align:center}@media(max-width:760px){.hero>span{display:none}.grid,.detailgrid{grid-template-columns:1fr}.hero{min-height:440px}header small{display:none}.title{align-items:flex-start;flex-direction:column;gap:8px}header{flex-wrap:wrap}}
/* v2.1.1 — header action visibility */
#help{
  margin-left:auto;
  background:#fff;
  color:var(--n);
  border:2px solid #fff;
  box-shadow:0 6px 16px rgba(0,0,0,.18);
}
#fav{
  background:var(--y);
  color:var(--n);
  border:2px solid var(--y);
  box-shadow:0 6px 16px rgba(0,0,0,.18);
}
#help:hover,#fav:hover{transform:translateY(-1px)}
#help:active,#fav:active{transform:translateY(1px);box-shadow:0 3px 8px rgba(0,0,0,.18)}
#help:focus-visible,#fav:focus-visible{outline:3px solid #fff;outline-offset:2px}
@media(max-width:760px){
  header{gap:8px}
  #help,#fav{
    padding:9px 11px;
    font-size:.88rem;
    white-space:nowrap;
  }
}
@media(max-width:440px){
  header{
    display:grid;
    grid-template-columns:auto 1fr;
    grid-template-areas:
      "logo brand"
      "help fav";
    align-items:center;
  }
  header>img{grid-area:logo}
  header>div{grid-area:brand}
  #help{grid-area:help;margin-left:0;width:100%}
  #fav{grid-area:fav;width:100%}
}