:root{font-family:"Apple SD Gothic Neo","Malgun Gothic",sans-serif;color:#20304a;background:#f3f6fb;font-synthesis:none;--blue:#235acb;--muted:#56677f;--border:#cdd7e5}
*{box-sizing:border-box}body{margin:0}button,select,textarea{font:inherit}a{color:var(--blue);text-underline-offset:4px}button,a,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled,select:disabled{cursor:not-allowed;opacity:.55}button:focus-visible,a:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #719bfa;outline-offset:3px}[hidden]{display:none!important}
.masthead{max-width:1060px;padding:27px 30px;margin:auto;display:flex;justify-content:space-between;align-items:center;font-size:14px}.brand{display:flex;align-items:center;gap:14px;font-size:18px;font-weight:750;text-decoration:none;color:#20304a}.brand span{font-size:13px;font-weight:400;border-left:1px solid var(--border);padding-left:14px;color:var(--muted)}
main{max-width:860px;margin:35px auto 0;padding:0 30px}.intro{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px}h1{font-size:38px;letter-spacing:-1.5px;margin:0 0 12px;font-weight:750}.intro p{margin:0;color:var(--muted);font-size:16px}.sound-mark{display:flex;gap:5px;align-items:center;padding:10px}.sound-mark i{display:block;width:6px;background:var(--blue);border-radius:4px;height:20px}.sound-mark i:nth-child(2),.sound-mark i:nth-child(4){height:36px}.sound-mark i:nth-child(3){height:54px}
form{background:white;border:1px solid var(--border);border-radius:18px;padding:30px}.selection{display:grid;grid-template-columns:1.8fr 1fr;gap:22px}.field{min-width:0}.field>label{display:flex;align-items:center;min-height:24px;margin-bottom:12px}label{font-weight:650;font-size:15px}.label-row{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:12px;min-height:22px}select{width:100%;background:#fff;color:#20304a;border:1px solid #aabbd1;border-radius:8px;height:49px;padding:0 12px}.text-button{padding:0;background:none;border:0;color:var(--blue);font-size:13px;white-space:nowrap;min-height:24px}.text-button:hover{text-decoration:underline}.hint{color:var(--muted);font-size:13px;line-height:1.6}#voice-info{margin:12px 0 26px}.editor{border-top:1px solid #e3e9f2;padding-top:24px}textarea{resize:vertical;min-height:170px;width:100%;border:1px solid #aabbd1;border-radius:8px;padding:17px;line-height:1.8;font-size:17px;color:#20304a;background:#fcfdff}.editor-footer{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-top:10px}.editor-footer p{margin:0;max-width:410px}.action-row{display:flex;align-items:center;gap:14px;margin-top:28px}.primary,.secondary{border-radius:9px;min-height:48px;padding:12px 22px;font-weight:650;border:1px solid transparent}.primary{background:var(--blue);color:#fff;white-space:nowrap}.primary:hover:not(:disabled){background:#194aac}.primary span{font-size:13px;margin-right:9px}.secondary{background:#fff;border-color:var(--border);color:#20304a}#status{margin:0;color:var(--muted);font-size:13px;line-height:1.5}.error{color:#a52c30;background:#fff2f2;border:1px solid #efc4c5;padding:13px 15px;border-radius:8px;font-size:14px;line-height:1.6;margin-top:16px;overflow-wrap:anywhere}
#result{margin-top:22px;padding:25px 30px;background:#e8effc;border:1px solid #bbcdec;border-radius:18px}.result-heading{display:flex;justify-content:space-between;align-items:center;gap:12px}.result-heading h2{font-size:18px;margin:0}.result-heading a{font-size:13px}audio{width:100%;margin:8px 0}#result-info{margin:10px 0 6px}#playback-note:empty{display:none}details{font-size:13px;margin-top:14px}summary{cursor:pointer;color:var(--muted)}#result-text{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.8}footer{display:flex;justify-content:space-between;gap:12px;font-size:12px;color:var(--muted);padding:25px 0 35px;line-height:1.6}
@media(max-width:600px){.masthead{padding:20px}.brand{font-size:16px}.brand span{display:none}main{padding:0 18px;margin-top:25px}h1{font-size:30px}.intro p{font-size:14px}.intro{margin-bottom:24px}.sound-mark{padding:0}.sound-mark i{width:4px}form{padding:22px 18px}.selection{grid-template-columns:1fr;gap:19px}.field>label{margin-bottom:10px}#voice-info{margin-bottom:20px}.editor-footer{flex-direction:column;gap:8px}.action-row{flex-wrap:wrap;gap:10px}#status{flex-basis:100%}#result{padding:22px 18px}footer{flex-direction:column;gap:4px}.primary{flex:1}textarea{font-size:16px}}

.control-field{margin-top:24px}.control-field label{display:block;margin-bottom:10px}.control-field textarea{min-height:88px;font-size:15px}.control-field p{margin:8px 0 0}#result-control{overflow-wrap:anywhere}

#custom-control{margin-top:16px}#control-preview{overflow-wrap:anywhere}