:root{--fg:#222;--muted:#666;--bg:#faf8f5;--card:#fff;--accent:#b4572b;--line:#e4ddd3}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic",sans-serif;color:var(--fg);background:var(--bg);line-height:1.8}
header,footer,main{max-width:760px;margin:0 auto;padding:16px}
header{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;border-bottom:1px solid var(--line)}
header a.brand{font-weight:700;font-size:1.15rem;color:var(--accent);text-decoration:none}
nav a{margin-left:14px;color:var(--fg);font-size:.92rem}
h1{font-size:1.45rem;line-height:1.4}h2{font-size:1.15rem;margin-top:2rem;border-left:4px solid var(--accent);padding-left:.6rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px;margin:16px 0}
label{display:block;font-size:.9rem;color:var(--muted);margin-top:10px}
input,select{width:100%;padding:10px;font-size:1rem;border:1px solid var(--line);border-radius:6px;background:#fff}
.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:560px){.row{grid-template-columns:1fr}}
.result{font-size:1.05rem}.result b{font-size:1.3rem}.neg{color:#b00020}
.badge{display:inline-block;font-size:.78rem;padding:1px 8px;border-radius:99px;color:#fff;vertical-align:middle}
.b-official{background:#2e7d32}.b-check{background:#b26a00}.b-unverified{background:#b00020}
.note{font-size:.85rem;color:var(--muted)}.warn{background:#fff4e5;border:1px solid #f0c98a;border-radius:8px;padding:10px 14px;font-size:.9rem}
table{border-collapse:collapse;width:100%;font-size:.92rem}th,td{border:1px solid var(--line);padding:6px 8px;text-align:left}
footer{border-top:1px solid var(--line);font-size:.85rem;color:var(--muted);margin-top:40px}