:root{font-family:system-ui,-apple-system,"Noto Sans JP",sans-serif;color:#17252b;background:#f2f8f8;font-size:16px;--blue:#087f83;--muted:#68777d;--line:#dce7e8}*{box-sizing:border-box}body{margin:0}main{max-width:940px;margin:0 auto;padding:36px 24px 32px}header{padding:0 4px 18px}.brand{font-size:.85rem;letter-spacing:.1em;color:var(--blue);font-weight:650;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}.brand span{font-size:.8rem;letter-spacing:0;color:var(--muted);font-weight:400}h1{font-size:1.85rem;margin:14px 0 8px;line-height:1.35}h2{font-size:1.25rem;margin:0}h3{font-size:1rem;margin:0 0 12px}p{line-height:1.7;margin:10px 0;color:var(--muted)}.step{padding:28px;background:white;border:1px solid var(--line);border-radius:12px;margin:20px 0}.step-heading{display:flex;align-items:center;gap:15px;margin-bottom:20px}.step-heading>span{font-size:.8rem;letter-spacing:.08em;font-weight:750;color:var(--blue);background:#d9f1ee;padding:9px 11px;border-radius:6px;white-space:nowrap}.drop-area{border:2px dashed #a9cecd;border-radius:9px;text-align:center;padding:22px 15px;background:#fbfefe}.drop-area p{margin:0 0 10px;font-size:.875rem}.drop-area .upload-title{font-size:1rem;font-weight:600;color:#355541}.dragover .drop-area{border-color:var(--blue);background:#edf8f5}button,.button,select{font:inherit;font-size:.875rem;padding:10px 15px;border:1px solid #b8d5d4;border-radius:6px;background:#fff;color:#294d37;cursor:pointer;line-height:1.4}button:hover,.button:hover{border-color:var(--blue);background:#f1f9f3}.primary{background:var(--blue);color:white;border-color:var(--blue);font-weight:600}.primary:hover{background:#075f63;color:white}.primary:disabled,button:disabled{opacity:.4;cursor:default}button:disabled:hover{border-color:#b8d5d4;background:inherit}.primary:disabled:hover{background:var(--blue);border-color:var(--blue)}.file-label{position:relative;display:inline-block;overflow:hidden}.file-label input{position:absolute;opacity:0;inset:0;width:100%;height:100%;cursor:pointer}.file-name{font-weight:600;color:#355541;overflow-wrap:anywhere}.small,.notice,.progress-row{font-size:.875rem}.small{color:var(--muted)}.notice{padding-top:14px;border-top:1px solid var(--line);margin-top:18px}.progress-row{display:flex;align-items:center;justify-content:space-between;gap:10px}progress{width:100%;height:7px;accent-color:var(--blue)}.text-button{color:var(--blue);border:0;background:transparent;padding:8px 0;text-decoration:underline;text-underline-offset:3px}.text-button:hover{background:transparent}.error{color:#aa3c2d!important}.bpm-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.bpm-row>label{font-size:.875rem;color:var(--muted)}.bpm-field{display:flex;align-items:center;gap:10px}.bpm-field input{font-size:1.9rem;font-weight:650;font-variant-numeric:tabular-nums;width:205px;padding:9px 12px;color:#1d5937;border:1px solid #b8d5d4;border-radius:6px;background:#fbfdfb}.bpm-field span{color:var(--muted)}input:disabled{color:#8794a7}.choice-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 14px;border:1px solid var(--line);border-radius:6px;margin:8px 0;font-size:.875rem}.choice-row label{display:flex;align-items:center;gap:9px;font-weight:550}.choice-row.active{border-color:#9fc8c6;background:#f1f9f3}input[type=radio],input[type=checkbox],input[type=range]{accent-color:var(--blue)}.audition-row,.transport,.adjust-controls,.record-actions,.check-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.audition-row{margin-top:18px}.transport{margin-top:20px}.transport fieldset{margin:0;padding:0;border:0;display:flex;gap:14px;font-size:.875rem}.transport fieldset label{display:flex;align-items:center;gap:4px}.volume{display:flex;gap:7px;align-items:center;font-size:.875rem;margin-left:auto}.volume input{width:80px}#seek{width:100%;margin:22px 0 8px}#time{display:block;text-align:right;color:var(--muted);font-size:.875rem;font-variant-numeric:tabular-nums;margin-bottom:10px}canvas{display:block;width:100%;background:#f5faf6;border:1px solid #dce7e8;border-radius:6px;cursor:crosshair}#overview{height:96px}#detail{height:180px;margin-top:14px}#adjustToggle{margin-top:15px}.adjustment{border-top:1px solid var(--line);margin-top:12px;padding-top:22px}.adjustment p,.adjust-controls{font-size:.875rem}.adjust-controls label{color:var(--muted)}.adjust-controls select{max-width:100%}#anchorChoice{max-width:260px}.legend{display:flex;gap:18px;flex-wrap:wrap}.legend span:nth-child(1){color:#a66313}.legend span:nth-child(2){color:var(--blue)}.legend span:nth-child(3){color:#19865d}.warning{border-left:3px solid #c17b19;background:#fff8ea;padding:13px 15px;font-size:.875rem;color:#7b541e}.export-summary{border:1px solid var(--line);background:#fbfefe;border-radius:8px;padding:16px;margin:18px 0;display:flex;flex-direction:column;gap:7px}.export-summary strong{color:var(--blue)}.export-summary span{font-size:.875rem;color:var(--muted)}.export-button{padding:14px 22px;margin:12px 0 0;font-size:1rem}a{color:var(--blue)}.evaluation{padding:16px 4px;color:var(--muted);font-size:.875rem}.evaluation summary{cursor:pointer;color:#556780}.evaluation label{display:block;margin:12px 0 7px}.check-row label{display:flex;gap:5px;align-items:center}.evaluation select{max-width:100%}.evaluation textarea{font:inherit;width:100%;padding:10px;border:1px solid var(--line);border-radius:6px;resize:vertical}.evaluation pre{white-space:pre-wrap;overflow-wrap:anywhere;background:white;border:1px solid var(--line);border-radius:6px;padding:16px;font-size:.8rem;line-height:1.7}.record-actions{margin-top:14px}footer{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:20px;margin-top:12px;font-size:.8rem;color:var(--muted)}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}:focus-visible{outline:2px solid var(--blue);outline-offset:3px}@media(max-width:650px){main{padding:22px 14px}.step{padding:20px}h1{font-size:1.5rem}.step-heading{gap:10px}.step-heading>span{padding:8px}.bpm-field input{width:185px}.volume{margin-left:0}.transport{gap:14px}.export-button{width:100%}footer{flex-wrap:wrap}}

body{background:linear-gradient(180deg,#eef8f8 0,#fff 600px)}main{max-width:960px;padding-top:30px}header{padding-bottom:12px}h1{font-size:clamp(1.9rem,5vw,2.6rem);letter-spacing:-.025em}.brand{border-bottom:1px solid var(--line);padding-bottom:18px}.brand span{background:white;border:1px solid var(--line);padding:4px 10px;border-radius:999px}.intro-copy{margin-top:22px}.intro-copy p{font-size:.94rem;margin:6px 0}.step{border-radius:20px;box-shadow:0 10px 34px rgba(37,79,49,.045);padding:30px}.step-heading{margin-bottom:12px}.step-heading>span{border-radius:10px}.step-copy{color:#354c3e;font-size:1rem;margin-bottom:20px}.drop-area{border-radius:18px;padding:30px}.button,button,select,.bpm-field input{border-radius:10px}.primary{box-shadow:0 5px 15px rgba(34,139,87,.12)}.audition-row button{flex:1;min-height:44px;font-weight:650}.bpm-field input{width:220px}canvas{border-radius:12px}.volume input{width:110px}.export-summary{background:#f2f8f8;border-radius:14px;padding:18px}.completion{margin-top:24px;border:1px solid #cbe9df;border-radius:16px;background:#edf8f5;padding:24px}.completion h3{font-size:1.2rem;color:#075f63}.completion strong{color:#075f63}.daw-guide{padding-left:24px;margin:22px 0 0}.daw-guide li{padding-left:6px;margin-bottom:22px}.daw-guide h4{margin:0;font-size:1rem}.daw-guide p{margin:6px 0}.technical-only{display:none!important}footer{line-height:1.6}.file-label:focus-within{outline:2px solid var(--blue);outline-offset:3px}@media(max-width:650px){main{padding:18px 14px}.step{padding:22px 18px;border-radius:18px}.step-heading{align-items:flex-start}h2{font-size:1.1rem;line-height:1.6}.step-heading>span{font-size:.72rem}.bpm-row{gap:12px}.bpm-field input{max-width:calc(100vw - 145px);width:215px}.transport fieldset{flex-wrap:wrap}.volume{width:100%;justify-content:space-between}.volume input{width:150px}.completion{padding:20px 15px}.brand{letter-spacing:.03em}footer{display:block}footer span{display:block;margin-top:8px}.choice-row{flex-wrap:wrap}.export-button{padding:15px 10px}}

:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif}.step{border-radius:18px}.drop-area{border-radius:24px}.primary{border-radius:12px}button{min-height:44px}.text-button{min-height:36px}
@media(max-width:650px){.step-heading{flex-direction:column;align-items:flex-start;gap:9px}.audition-row button{flex:1 1 100%;white-space:nowrap}.bpm-row>label{width:100%}}

.audition-row button.audition-selected{background:var(--blue);border-color:var(--blue);color:white;box-shadow:0 5px 15px rgba(8,127,131,.12)}.daw-help{background:#f8fcfc}.daw-help h2{margin-bottom:12px}.daw-guide{list-style:none;counter-reset:daw-guide;padding:0}.daw-guide li{counter-increment:daw-guide;position:relative;padding:2px 0 0 52px;margin:26px 0}.daw-guide li::before{content:counter(daw-guide);position:absolute;left:0;top:0;width:34px;height:34px;display:grid;place-items:center;border-radius:10px;background:#d9f1ee;color:#075f63;font-weight:750}.daw-guide h3{font-size:1rem;margin:4px 0 8px;line-height:1.5}.daw-guide p{margin:7px 0}.daw-guide strong{color:#075f63}#guideBpm{display:block;margin-top:10px}@media(max-width:650px){.daw-guide li{padding-left:44px}.daw-guide li::before{width:30px;height:30px}.daw-help h2{font-size:1.15rem}}

/* Title treatment shared with Studio Moo's vocal-check and harmony apps. */
.page-intro{text-align:center;padding:56px 12px 26px}
.version-label{text-align:right;font-size:.8rem;margin:0 0 14px;color:var(--muted)}
.page-intro h1{margin:0;font-size:clamp(2.3rem,5vw,3.65rem);font-weight:750;letter-spacing:-.045em;line-height:1.24;text-wrap:balance}
.page-intro h1 .title-ink{color:#17252b;display:inline-block}
.page-intro h1 .title-accent{color:#087f83;display:inline-block}
.page-intro>p:not(.version-label){max-width:44rem;margin:18px auto 0;color:var(--muted);font-size:1rem;line-height:1.8;text-wrap:pretty}
.page-intro .intro-copy{max-width:39rem;margin:22px auto 0}
.page-intro .intro-copy p{font-size:.94rem;margin:8px 0;line-height:1.85;text-wrap:pretty}
@media(max-width:650px){.page-intro{padding:38px 0 24px}.page-intro h1{font-size:clamp(1.8rem,7vw,2.3rem);line-height:1.3}.page-intro>p:not(.version-label){font-size:.9rem;max-width:32rem}.page-intro .intro-copy{max-width:30rem;margin-top:20px}.page-intro .intro-copy p{font-size:.88rem}}


/* Static pre-use guidance; independent of playback/analysis status. */
.usage-notice{display:flex;align-items:flex-start;gap:12px;margin:22px 0 16px;padding:18px 20px;border:1px solid #eadbb4;border-radius:14px;background:#fff9e9;color:#66512c}
.usage-notice-icon{flex:0 0 auto;font-size:1.3rem;line-height:1.5;color:#a27118}
.usage-notice h3{margin:0 0 7px;font-size:.96rem;font-weight:750;line-height:1.6;color:#74521c}
.usage-notice p{margin:0;font-size:.9rem;line-height:1.8}
@media(max-width:650px){.usage-notice{gap:10px;padding:16px 14px}.usage-notice h3{font-size:.9rem}.usage-notice p{font-size:.85rem}}