:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.container{max-width:980px;margin:24px auto;padding:0 16px 40px;font-family:system-ui,-apple-system,Segoe UI,Roboto,Noto Sans JP,sans-serif}.panel{border:1px solid #ddd;border-radius:10px;padding:14px;margin:12px 0}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:10px}label{font-size:13px;color:#555}select,button{height:34px;border-radius:8px;border:1px solid #bbb;background:#fff;padding:0 10px}button.primary{background:#2563eb;color:#fff;border-color:#2563eb}button.danger{background:#dc2626;color:#fff;border-color:#dc2626}button:disabled{opacity:.5;cursor:not-allowed}.status{font-size:13px;color:#555}.hint{font-size:12px;color:#777}.box{background:#fafafa;border:1px solid #eee;border-radius:10px;padding:10px;min-height:110px;white-space:pre-wrap;word-break:break-word}.box.small{min-height:80px;max-height:240px;overflow:auto}audio{width:100%}.otp-overlay{display:flex;justify-content:center;align-items:center;min-height:80vh}.otp-card{text-align:center;border:1px solid #ddd;border-radius:14px;padding:40px 36px;max-width:360px;width:100%;background:#fff;box-shadow:0 2px 12px #00000014}.otp-input{width:100%;height:42px;border-radius:8px;border:1px solid #bbb;padding:0 14px;font-size:16px;text-align:center;letter-spacing:4px;box-sizing:border-box}.otp-input:focus{outline:none;border-color:#2563eb;box-shadow:0 0 0 2px #2563eb26}.otp-button{width:100%;margin-top:16px;height:42px;font-size:15px;cursor:pointer}.otp-error{color:#dc2626;font-size:13px;margin-top:8px}.otp-setup-badge{display:inline-block;background:#eff6ff;color:#2563eb;font-size:12px;font-weight:600;padding:3px 12px;border-radius:12px;margin-bottom:14px}.otp-step-indicator{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:24px}.otp-step-indicator span:not(.otp-step-line){width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;background:#eee;color:#999;transition:all .2s}.otp-step-indicator span.active{background:#2563eb;color:#fff}.otp-step-line{width:32px!important;height:2px!important;background:#ddd;border-radius:0!important}