:root{--a:#000;--b:#fff;--c:#e5e5e5}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Source Sans 3',sans-serif;background:#f5f5f5;color:var(--a);min-height:100vh;display:flex;justify-content:center;padding:24px 16px}
#app{width:100%;max-width:480px}
.hidden{display:none!important}
.state{text-align:center;padding:64px 24px}
.state h2{font-size:1.35rem;font-weight:600;margin-bottom:8px}
.state p{color:#666;font-size:.95rem}
.spinner{width:28px;height:28px;border:3px solid var(--c);border-top-color:var(--a);border-radius:50%;animation:spin .7s linear infinite;margin:0 auto 16px}
@keyframes spin{to{transform:rotate(360deg)}}
.progress{margin-bottom:24px}
.progress-bar{height:2px;background:var(--c);border-radius:1px;overflow:hidden}
#progress-fill{height:100%;width:0;background:var(--a);transition:width .3s}
.progress-label{margin-top:10px;font-size:.82rem;font-weight:600;color:#666}
.card{background:var(--b);border:1px solid var(--c);border-radius:8px;padding:28px 24px}
.step h2{font-size:1.25rem;font-weight:600;margin-bottom:6px}
.sub{color:#666;font-size:.93rem;margin-bottom:20px}
.dates{margin-bottom:20px}
.date-row{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--c);font-size:.95rem}
.date-label{font-weight:600}
.field{margin-bottom:14px}
.field label{display:block;font-size:.82rem;font-weight:600;margin-bottom:4px;color:#333}
.field input,.field select{width:100%;padding:10px 12px;border:1px solid var(--c);border-radius:4px;font-family:inherit;font-size:.95rem;outline:none;transition:border-color .2s;background:var(--b)}
.field input:focus,.field select:focus{border-color:var(--a)}
.field input[readonly]{background:#f9f9f9;color:#888}
.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.suggestions{border:1px solid var(--c);border-radius:4px;background:var(--b);margin:-10px 0 14px;max-height:200px;overflow-y:auto}
.suggestion{padding:10px 12px;cursor:pointer;font-size:.9rem;border-bottom:1px solid var(--c)}
.suggestion:last-child{border-bottom:none}
.suggestion:hover{background:#f5f5f5}
.lock-notice{display:flex;align-items:flex-start;gap:10px;padding:12px;background:#f9f9f9;border-radius:4px;margin:16px 0;font-size:.83rem;color:#555;line-height:1.4}
.lock-notice svg{flex-shrink:0;margin-top:1px}
.payment-info{background:#f9f9f9;border-radius:4px;padding:14px;margin-bottom:20px;font-size:.9rem;line-height:1.55}
.payment-info strong{display:block;margin-bottom:6px;font-size:.95rem}
.payment-info p{margin-bottom:4px}
.payment-info p:last-child{margin-bottom:0}
#payment-element{margin-bottom:16px}
.error{color:#e25950;font-size:.88rem;margin-bottom:8px;min-height:1.2em}
.powered{text-align:center;font-size:.78rem;color:#999;margin-top:10px}
.contract-body{height:300px;overflow-y:auto;border:1px solid var(--c);border-radius:4px;padding:16px;font-size:.88rem;line-height:1.6;margin-bottom:14px}
.agree-row{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-size:.9rem;cursor:pointer}
.agree-row input[type=checkbox]{width:18px;height:18px;flex-shrink:0;cursor:pointer}
.app-screen{text-align:center;padding:12px 0 8px}
.app-screen p{font-size:.95rem;margin-bottom:12px;line-height:1.5}
.app-store-btn{display:inline-flex;align-items:center;gap:8px;background:var(--a);color:var(--b);padding:12px 24px;border-radius:8px;text-decoration:none;font-size:.95rem;font-weight:600;margin:8px 0 16px}
.app-note{font-size:.78rem;color:#999}
.btn{width:100%;padding:14px;background:var(--a);color:var(--b);border:none;border-radius:4px;font-family:inherit;font-size:.95rem;font-weight:600;cursor:pointer;transition:opacity .2s;margin-top:8px}
.btn:disabled{opacity:.35;cursor:not-allowed}