.co{padding:48px 0 96px}
.co .wrap{max-width:640px}
.co h1{font:800 2rem var(--display);color:var(--fg);margin:0 0 8px}
.co .lead{color:var(--muted);margin:0 0 24px;line-height:1.55}
.co fieldset{border:0;margin:0 0 20px;padding:0}
.co legend{font:700 .75rem var(--body);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:8px;padding:0}
.choices{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px}
.choice{display:block;cursor:pointer}
.choice input{position:absolute;opacity:0}
.choice span{display:block;border:1.5px solid var(--line);background:var(--panel);border-radius:10px;padding:12px 14px}
.choice b{display:block;font:800 .98rem var(--display);color:var(--fg)}
.choice small{display:block;color:var(--muted);font-size:.84rem;margin-top:2px}
.choice input:checked+span{border-color:var(--green);background:var(--green-bg)}
.choice input:focus-visible+span{outline:2px solid var(--green);outline-offset:2px}
.choice.off{opacity:.45;pointer-events:none}
.field{display:grid;gap:6px;font:700 .85rem var(--display);color:var(--fg);margin-bottom:16px}
.field input{font:500 1rem var(--body);padding:12px 14px;border:1.5px solid var(--line);border-radius:8px;background:var(--panel);color:var(--fg);width:100%;box-sizing:border-box}
.field input:focus{outline:2px solid var(--green);border-color:var(--green)}
details{margin:0 0 18px;border:1px solid var(--line);border-radius:10px;padding:12px 14px;background:var(--panel)}
summary{cursor:pointer;font:700 .9rem var(--display)}
details .field{margin-top:12px}
.hint{color:var(--muted);font-size:.86rem;line-height:1.5;margin:8px 0 0}
.summary{border:1px solid var(--line);border-radius:10px;padding:14px 16px;background:var(--raise);margin-bottom:20px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-weight:600}
.summary b{font:800 1.3rem var(--display)}
.check{display:flex;gap:10px;align-items:flex-start;font-size:.9rem;line-height:1.5;margin:0 0 16px;cursor:pointer}
.check input{margin-top:4px;width:18px;height:18px;flex:none}
.go{width:100%;justify-content:center;border:0;cursor:pointer;font-size:1rem}
.go[disabled]{opacity:.55;cursor:default}
.err{color:#a3262a;font-weight:600;margin:0 0 12px}
.notice{border:1px solid var(--line);background:var(--raise);border-radius:10px;padding:12px 14px;margin-bottom:20px}
.keybox{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;border:2px solid var(--green);background:var(--green-bg);border-radius:12px;padding:16px 18px;margin:18px 0 8px}
.mono{font:700 1.35rem ui-monospace,Menlo,Consolas,monospace;letter-spacing:.06em;word-break:break-all}
.btn-ghost-dark{border-color:var(--line);color:var(--fg)}
@media (max-width:520px){.co{padding:28px 0 64px}.co h1{font-size:1.6rem}}