:root{--bg:#f5f4ef;--ink:#19352f;--muted:#67756e;--line:#dce2d9;--accent:#cde7a5;--paper:#fff;--danger:#ad352f}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;font-size:14px;line-height:1.8}header{max-width:1200px;margin:auto;padding:28px 40px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}a{color:inherit;text-decoration:none;transition:background .2s,color .2s,transform .2s}a:hover{color:#52824b}.brand{font-family:Georgia,serif;font-size:29px;letter-spacing:-1px;line-height:1.15}.brand span{display:block;font-family:Arial,sans-serif;font-size:8px;letter-spacing:2.6px;margin-top:7px}.badge{border:1px solid #c5d0c0;padding:4px 12px;border-radius:20px;font-size:11px;color:var(--muted)}main{max-width:1200px;margin:auto;padding:46px 40px 20px}.intro{position:relative;padding-bottom:38px}.eyebrow{font-size:10px;letter-spacing:2.8px;font-weight:700;color:#648257;margin:0 0 14px}h1{font-size:clamp(29px,4vw,44px);font-weight:600;letter-spacing:.025em;line-height:1.45;margin:0}.lead{color:var(--muted);line-height:1.9;margin-top:16px}.steps{display:flex;gap:24px;position:absolute;right:0;bottom:52px;font-size:12px}.steps b{display:block;color:#86a371;font-family:Georgia,serif;font-size:24px;font-weight:400;margin-bottom:4px}.workspace{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);align-items:start;gap:24px}.panel{border:1px solid var(--line);border-radius:18px;padding:28px;background:var(--paper)}.section-heading{display:flex;align-items:flex-start;gap:12px;margin-bottom:24px}.number{font-size:12px;line-height:30px;min-width:30px;text-align:center;background:#edf2e8;border-radius:50%;color:#5d794b}.section-heading h2{font-size:18px;font-weight:600;margin:0}.section-heading p{font-size:12px;color:var(--muted);margin:4px 0 0}.fields{display:grid;grid-template-columns:1fr 1fr;gap:16px}label{font-size:12px;font-weight:500}input[type=text],input:not([type]){display:block;width:100%;font:inherit;font-size:14px;border:1px solid var(--line);background:#fafbf8;border-radius:8px;padding:12px;margin-top:7px;color:var(--ink)}input:focus-visible,button:focus-visible,a:focus-visible,.dropzone:focus-visible{outline:3px solid #83a667;outline-offset:3px}.dropzone{display:flex;align-items:center;justify-content:center;flex-direction:column;border:1.5px dashed #b9c8ad;border-radius:12px;padding:24px 15px;margin:22px 0;background:#f8faf5;cursor:pointer;transition:background .2s,border-color .2s,transform .2s;text-align:center;min-width:0}.dropzone:hover,.dropzone.dragover{background:#eef5e3;border-color:#607f47}.dropzone.dragover{transform:scale(1.01)}.dropzone input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.upload-icon{font-size:26px;line-height:42px;width:44px;background:#eaf0e2;border-radius:12px;margin-bottom:10px}.dropzone strong{font-size:15px;overflow-wrap:anywhere;max-width:100%}.dropzone span:not(.upload-icon){font-size:11px;color:var(--muted);margin-top:4px}.dropzone small{font-size:10px;color:var(--muted);margin-top:13px}fieldset{border:0;padding:0;margin:0}legend{font-size:12px;margin-bottom:8px}.backgrounds{display:grid;grid-template-columns:1fr 1fr;gap:12px}.choice{display:flex;align-items:center;border:1px solid var(--line);padding:12px 10px;border-radius:9px;gap:7px;cursor:pointer;transition:background .2s}.choice:has(input:checked){background:#f1f6e9;border-color:#b3c69f}.choice strong{font-size:13px;display:block}.choice small{font-size:10px;color:var(--muted);display:block}.choice input,.consent input{accent-color:#365f40;flex-shrink:0}.small-note{font-size:11px;color:var(--muted);line-height:1.9}.consent{display:flex;align-items:flex-start;gap:9px;font-size:11px;line-height:1.9;margin:20px 0}.consent input{margin-top:5px}.primary{border:0;background:var(--ink);color:#fff;border-radius:9px;width:100%;padding:14px 18px;display:flex;justify-content:space-between;align-items:center;font-size:14px;line-height:1.7;font-weight:500;cursor:pointer;transition:background .2s,transform .2s}.primary:hover{background:#315247;color:#fff;transform:translateY(-1px)}button:disabled{opacity:.5;cursor:wait;transform:none}.secondary{background:transparent;border:1px solid var(--line);color:var(--ink);padding:10px 14px;border-radius:8px;cursor:pointer;transition:background .2s}.secondary:hover{background:#eff3e9}.frame-preview{aspect-ratio:16/9;background:#eaf0e4;border-radius:10px;display:grid;place-items:center}.frame-preview div{width:32%;height:100%;background:#d5e2c6;display:grid;place-items:center;color:#789565;font-family:Georgia,serif;font-size:28px}#empty-state p{text-align:center;color:var(--muted);font-size:12px;margin:20px 0 3px}.guide{padding:20px 16px}.guide strong{font-size:12px}.guide p{font-size:11px;color:var(--muted);margin:5px 0}.progress-label{display:flex;justify-content:space-between;font-size:13px;gap:10px}progress{width:100%;height:8px;border:0;border-radius:4px;overflow:hidden;margin:15px 0 3px;accent-color:#648849}progress::-webkit-progress-bar{background:#edf1e8}progress::-webkit-progress-value{background:#769a56;transition:width .2s}video{display:block;width:100%;aspect-ratio:16/9;background:#101c18;border-radius:9px;margin-top:20px}.audio-result{color:#416b37;font-size:12px;background:#eef5e6;padding:10px 12px;border-radius:7px}.next-step{border-top:1px solid var(--line);margin-top:22px;padding-top:18px}.next-step strong{font-size:12px}.next-step p{font-size:11px;color:var(--muted);margin-bottom:0}.error{font-size:12px;color:var(--danger);background:#fff0ed;padding:12px;border-radius:8px;overflow-wrap:anywhere}footer{margin-top:40px;padding:20px 0;border-top:1px solid var(--line);font-family:Georgia,serif;font-size:18px}footer span{font-size:10px;font-family:inherit;color:var(--muted);margin-left:10px}footer p{font-family:sans-serif;font-size:10px;color:var(--muted);margin-top:5px}[hidden]{display:none!important}@media(max-width:850px){.steps{position:static;margin-top:24px}.workspace{grid-template-columns:1fr}.intro{padding-bottom:28px}header{padding:22px 24px}main{padding:32px 24px 16px}.panel{padding:24px}}@media(max-width:420px){header{padding:20px}main{padding:28px 16px 16px}.panel{padding:20px 16px}.fields{grid-template-columns:1fr}.steps{gap:20px}.steps span{font-size:11px}.backgrounds{gap:8px}.choice{padding:10px 7px;gap:4px}.choice small{font-size:9px}.section-heading h2{font-size:16px}.badge{font-size:10px;padding:3px 8px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}

.choice{align-items:flex-start}.choice input{margin-top:6px}.choice span{min-width:0}#status-sub{overflow-wrap:anywhere}

#youtube-url{width:100%;font-size:13px;margin:8px 0 10px}#youtube-open{display:block;text-align:center;margin-top:10px}#youtube-message{overflow-wrap:anywhere}#copy-link{justify-content:center}.next-step .consent{margin:12px 0}