*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Hiragino Kaku Gothic ProN,Noto Sans JP,Meiryo,sans-serif;background:#f4f5f7;min-height:100vh}#root{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px}.card{background:#fff;width:100%;max-width:400px;border:1px solid #e1e3e6;border-radius:8px;padding:48px 40px;box-shadow:0 2px 8px #0000000a}.card h1{font-size:20px;font-weight:600;color:#1d1d21;text-align:center;margin-bottom:32px}label{display:block;font-size:13px;font-weight:600;color:#1d1d21;margin-bottom:6px}input[type=text],input[type=email]{width:100%;height:44px;padding:0 12px;font-size:15px;border:1px solid #c8ccd1;border-radius:6px;outline:none;transition:border-color .15s,box-shadow .15s}input[type=text]:focus,input[type=email]:focus{border-color:#4c6ef5;box-shadow:0 0 0 3px #4c6ef526}.btn-next{width:100%;height:44px;margin-top:20px;font-size:15px;font-weight:600;color:#fff;background:#4c6ef5;border:none;border-radius:6px;cursor:pointer;transition:background .15s}.btn-next:hover{background:#3b5bdb}.btn-next:disabled{background:#a5b4fc;cursor:default}.divider{display:flex;align-items:center;margin:24px 0;color:#8a8f98;font-size:12px}.divider:before,.divider:after{content:"";flex:1;height:1px;background:#e1e3e6}.divider span{padding:0 12px}.btn-passkey{width:100%;height:44px;display:flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;color:#1d1d21;background:#fff;border:1px solid #c8ccd1;border-radius:6px;cursor:pointer;transition:background .15s,border-color .15s}.btn-passkey:hover{background:#f4f5f7;border-color:#8a8f98}.btn-passkey:disabled{opacity:.6;cursor:default}.btn-passkey svg{flex-shrink:0}.status{margin-top:20px;padding:12px;border-radius:6px;font-size:13px;line-height:1.6;word-break:break-all}.status.error{background:#fff5f5;border:1px solid #ffc9c9;color:#c92a2a}.signup-area{margin-top:24px;text-align:center}.link-button{background:none;border:none;color:#4c6ef5;font-size:13px;cursor:pointer;text-decoration:underline}.link-button:hover{color:#3b5bdb}.signup-area form{text-align:left}.profile-header{display:flex;align-items:center;gap:16px;margin-bottom:24px}.avatar{width:56px;height:56px;border-radius:50%;border:1px solid #e1e3e6}.profile-name{font-size:16px;font-weight:600;color:#1d1d21}.profile-email{font-size:13px;color:#8a8f98;margin-top:2px}.claims{border-top:1px solid #e1e3e6;font-size:13px}.claims dt{font-weight:600;color:#8a8f98;margin-top:12px}.claims dd{color:#1d1d21;word-break:break-all;margin-top:2px}.raw-claims{margin-top:20px;font-size:13px}.raw-claims summary{cursor:pointer;color:#4c6ef5}.raw-claims pre{margin-top:8px;padding:12px;background:#f4f5f7;border-radius:6px;font-size:11px;overflow-x:auto}