:root{--bg:#f5f5f6;--surface:#fff;--text:#1d1d21;--muted:#5a5a63;--border:#d5d5db;--accent:#c4202a;--btn:#d7262e;--btn-ink:#fff;--accent-soft:#fdecec;--field:#fff;--focus:#1a5fd1;--ok:#17692f;--err:#b3261e;color-scheme:light}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#111114;--surface:#1b1b20;--text:#ececf0;--muted:#a6a6b0;--border:#383840;--accent:#ff6b72;--btn:#c8202a;--accent-soft:#3a1c1f;--field:#141418;--focus:#7fb0ff;--ok:#5fd183;--err:#ff8a82;color-scheme:dark}}
*{box-sizing:border-box}
[hidden]{display:none !important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
.wrap{max-width:860px;margin:0 auto;padding:0 16px}
.top{background:var(--surface);border-bottom:1px solid var(--border)}
.top-in{display:flex;align-items:center;gap:14px;padding:12px 16px}
.logo{display:inline-flex;background:#fff;border:1px solid var(--border);border-radius:8px;padding:4px 8px}
.logo img{height:40px;width:auto;display:block}
.site-title{font-weight:700;font-size:18px}
.site-sub{color:var(--muted);font-size:14px}
.stepper{list-style:none;display:flex;gap:8px;padding:16px 0 4px;margin:0;justify-content:space-between}
.stepper li{flex:1}
.stepper button{display:flex;align-items:center;gap:8px;width:100%;background:none;border:0;color:var(--muted);font:inherit;font-size:14px;padding:4px;cursor:pointer;min-height:44px}
.stepper button:disabled{cursor:default}
.dot{flex:none;width:28px;height:28px;border-radius:50%;border:2px solid var(--border);display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;background:var(--surface)}
.stepper .cur .dot{background:var(--btn);border-color:var(--btn);color:#fff}
.stepper .cur button{color:var(--text);font-weight:600}
.stepper .done .dot{background:var(--ok);border-color:var(--ok);color:#fff}
.sl{display:none}
.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:20px 16px;margin:12px 0 24px;box-shadow:0 1px 2px rgba(0,0,0,.05)}
.kicker{color:var(--accent);font-size:13px;text-transform:uppercase;letter-spacing:.04em;font-weight:700}
h2{font-size:22px;margin:4px 0 8px}
h2:focus{outline:none}
h3{font-size:17px;margin:16px 0 6px}
.small{font-size:14px}
.muted{color:var(--muted)}
.right{text-align:right}
.req{color:var(--err)}
.grid{display:grid;gap:14px;margin:14px 0}
.f{display:flex;flex-direction:column;gap:4px;min-width:0}
.f label,.lbl{font-size:14px;font-weight:600}
input[type=text],input:not([type]),input[type=email],input[type=tel]{min-height:44px;border:1px solid var(--border);border-radius:8px;padding:8px 12px;font:inherit;background:var(--field);color:var(--text);width:100%}
input[readonly]{background:transparent;color:var(--muted)}
input[aria-invalid=true]{border-color:var(--err);box-shadow:0 0 0 1px var(--err)}
input[type=radio],input[type=checkbox]{width:22px;height:22px;accent-color:var(--btn);flex:none;margin:0}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.fs{border:0;padding:0;margin:20px 0 0}
.fs legend{padding:0;margin-bottom:8px}
.choice{border:1px solid var(--border);border-radius:10px;padding:10px 12px;margin:8px 0}
.choice.sel{border-color:var(--btn)}
.choice>label,.inline,.check{display:flex;gap:10px;align-items:center;font-weight:600;min-height:44px}
.check{font-weight:400;align-items:flex-start;padding:8px 0}
.check input{margin-top:1px}
.inline{margin-right:24px}
.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.sub{border-top:1px dashed var(--border);padding-top:12px}
.err{color:var(--err);font-size:14px;min-height:0}
.err:empty{display:none}
.summary{background:var(--accent-soft);border:1px solid var(--err);color:var(--text);border-radius:8px;padding:10px 12px;margin-top:14px;font-size:14px}
.notice{background:var(--accent-soft);border:1px solid var(--border);border-radius:8px;padding:10px 12px;margin:12px 0 0;font-size:14px}
.actions{display:flex;justify-content:space-between;gap:12px;margin-top:20px}
.btn{min-height:44px;padding:0 18px;border-radius:8px;border:1px solid var(--border);background:var(--surface);color:var(--text);font:inherit;font-weight:600;cursor:pointer}
.btn.primary{background:var(--btn);border-color:var(--btn);color:var(--btn-ink)}
.btn.primary:hover:not(:disabled){filter:brightness(1.08)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.small{min-height:36px;font-size:14px}
.pill{font-size:13px;border:1px solid var(--border);border-radius:999px;padding:2px 10px;color:var(--muted)}
.pill:empty{display:none}
.status{font-size:14px;min-height:1.5em}
.status.ok{color:var(--ok);font-weight:600}
.status.bad{color:var(--err)}
.code input{max-width:200px;letter-spacing:.3em;font-size:20px}
.scrollbox{max-height:340px;overflow:auto;border:1px solid var(--border);border-radius:8px}
.acc{border-collapse:collapse;width:100%;font-size:13px}
.acc th{position:sticky;top:0;background:#555;color:#fff;text-align:left;padding:6px 8px}
.acc td{border-top:1px solid var(--border);padding:6px 8px;vertical-align:top}
.acc td:first-child,.acc td:nth-child(2){font-weight:600}
.important{padding:8px;margin:0;border-top:1px solid var(--border)}
.legal{border:1px solid var(--border);border-radius:8px;padding:10px 12px;font-size:14px;background:var(--bg)}
.pad{position:relative;border:1px solid var(--border);border-radius:8px;background:#fff;aspect-ratio:3/1;width:100%;max-width:600px;touch-action:none}
.pad canvas{width:100%;height:100%;display:block;touch-action:none;cursor:crosshair}
.pad .hint{position:absolute;left:12px;bottom:8px;color:#888;font-size:14px;pointer-events:none}
.small-pad{max-width:300px;margin-top:8px}
.review{display:grid;grid-template-columns:1fr;gap:2px 16px;font-size:14px;margin:12px 0}
.review dt{font-weight:600;margin-top:6px}
.review dd{margin:0;overflow-wrap:anywhere}
.ts{margin:12px 0}
.hash{overflow-wrap:anywhere}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.foot{padding:8px 16px 32px}
@media (min-width:640px){.card{padding:24px}.c2{grid-template-columns:1fr 1fr}.c3{grid-template-columns:1fr 1fr 1fr}.sl{display:inline}.review{grid-template-columns:220px 1fr}.review dt{margin-top:0}}
@media (max-width:639px){.acc thead{display:none}.acc,.acc tbody,.acc tr,.acc td{display:block;width:100%}.acc tr{border-top:1px solid var(--border);padding:6px 0}.acc td{border:0;padding:2px 8px}.acc td::before{content:attr(data-l) ": ";font-weight:700}}