.bhba{max-width:760px;margin:0 auto;font-family:inherit;color:#1c2430}
.bhba *{box-sizing:border-box}
.bhba-card{background:#fff;border:1px solid #e3e7ee;border-radius:14px;padding:28px 26px;box-shadow:0 8px 28px rgba(16,32,64,.08)}
.bhba h3{margin:0 0 8px;font-size:26px;line-height:1.2}
.bhba-steps{display:flex;gap:8px;margin-bottom:16px;font-size:13px;font-weight:600;letter-spacing:.02em}
.bhba-steps span{padding:5px 12px;border-radius:20px;background:#eef1f6;color:#6b778a}
.bhba-steps span.on{background:#B39148;color:#fff}
.bhba-intro{color:#4a5568;margin:0 0 18px}
.bhba-field{margin-bottom:14px}
.bhba-field label{display:block;font-weight:600;margin-bottom:5px;font-size:15px}
.bhba-field input[type=text],.bhba-field input[type=email],.bhba-field input[type=tel],.bhba-field input[type=number]{width:100%;padding:12px 13px;font-size:16px;border:1px solid #c5ccd8;border-radius:8px;background:#fff;color:#1c2430}
.bhba-field input:focus{outline:2px solid #B39148;border-color:#B39148}
.bhba-radio{display:inline-block;margin-right:22px;font-weight:500!important;cursor:pointer}
.bhba-check{display:block;margin:14px 0;font-size:14.5px;line-height:1.45;cursor:pointer}
.bhba-check input,.bhba-radio input{margin-right:6px;transform:scale(1.2)}
.bhba-co{border-left:3px solid #B39148;padding-left:14px;margin:10px 0 14px}
.bhba-hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.bhba-btn{display:inline-block;background:#B39148;color:#fff!important;border:0;border-radius:10px;padding:15px 28px;font-size:17px;font-weight:700;cursor:pointer;text-decoration:none;margin-top:6px}
.bhba-btn:hover{background:#9a7b38}
.bhba-btn:disabled{opacity:.6;cursor:wait}
.bhba-btn.ghost{background:#eef1f6;color:#33405a!important}
.bhba-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.bhba-err{color:#b32d2e;font-weight:600;margin:10px 0;min-height:1px}
.bhba-fine{font-size:12.5px;color:#6b778a;margin-top:12px}
.bhba-agreement{max-height:340px;overflow:auto;border:1px solid #c5ccd8;border-radius:8px;padding:16px 18px;background:#fafbfc;font-size:14px;line-height:1.5;margin-bottom:8px}
.bhba-agreement h4{text-align:center;margin:0 0 12px;font-size:16px}
.bhba-agreement p{margin:0 0 10px}
.bhba-agreement .bhba-box{background:#eceef1;border:1px dashed #889;padding:10px 12px;margin:8px 0 12px;border-radius:4px}
.bhba-sig{margin:16px 0}
.bhba-sig-title{font-weight:700;margin-bottom:6px}
.bhba-tabs{display:flex;gap:6px;align-items:center;margin-bottom:6px}
.bhba-tab{border:1px solid #c5ccd8;background:#fff;padding:5px 14px;border-radius:16px;cursor:pointer;font-size:13px}
.bhba-tab.on{background:#1c2430;color:#fff;border-color:#1c2430}
.bhba-link{margin-left:auto;background:none;border:0;color:#B39148;cursor:pointer;text-decoration:underline;font-size:13px}
.bhba-canvas{width:100%;height:auto;aspect-ratio:700/180;border:2px solid #1c2430;border-radius:8px;background:#fff;touch-action:none;cursor:crosshair;display:block}
.bhba-sig-hint{font-size:12px;color:#6b778a;margin-top:4px}
.bhba-done{text-align:center}
.bhba-check-big{width:64px;height:64px;line-height:64px;margin:0 auto 12px;border-radius:50%;background:#1a7f37;color:#fff;font-size:34px}
.bhba-notice{padding:12px 16px}
@media(max-width:520px){.bhba-card{padding:20px 16px}.bhba h3{font-size:22px}.bhba-btn{width:100%;text-align:center}}