:root{--navy:#073b67;--blue-soft:#eaf4fc;--ink:#172b3a;--muted:#607483;--line:#d9e2e7;--surface:#fff;--canvas:#f3f6f5;--success:#12815e;--danger:#be3a3a;--shadow:0 7px 22px #1c364814;--radius:7px;color:var(--ink);background:var(--canvas);font-family:Yu Gothic UI,Hiragino Kaku Gothic ProN,Meiryo,system-ui,sans-serif}*{box-sizing:border-box}body{background:var(--canvas);margin:0}.topbar{background:var(--navy);color:#fff;justify-content:space-between;align-items:center;gap:12px;padding:14px 20px;display:flex}.brand{letter-spacing:.02em;font-weight:700}.stage{background:#ffffff29;border-radius:999px;padding:2px 10px;font-size:13px}.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);max-width:560px;box-shadow:var(--shadow);margin:40px auto;padding:28px}h1{margin:0 0 8px;font-size:22px}.lead{color:var(--muted);margin:0 0 20px;line-height:1.7}.checks{gap:10px;margin:0;display:grid}.checks div{background:var(--blue-soft);border-radius:var(--radius);grid-template-columns:72px 1fr;gap:12px;padding:10px 12px;display:grid}.checks dt{font-weight:700}.checks dd{margin:0}.ok{color:var(--success)}.ng{color:var(--danger)}@media (width<=600px){.panel{margin:16px;padding:20px}}