:root{--paper:#fffefb;--bg:#f4f3ed;--ink:#263c35;--muted:#6d766d;--line:#dedfd5;--sage:#e9eee3;--accent:#476747;--radius:20px}
  *{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Noto Sans JP",sans-serif;font-size:15px;line-height:1.7}
  button,input{font:inherit}button{cursor:pointer;color:inherit}button:focus-visible,input:focus-visible{outline:3px solid #7b9c66;outline-offset:4px}button:disabled{cursor:default;opacity:.4}
  .shell{max-width:1220px;margin:auto;padding:38px 36px 26px}.eyebrow{font-size:11px;letter-spacing:.19em;font-weight:650;color:var(--muted)}header{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:30px}h1{font-size:32px;font-weight:600;letter-spacing:.02em;margin:4px 0}header p{margin:0;color:var(--muted);font-size:14px}.stage{padding:7px 13px;background:var(--sage);border-radius:30px;font-size:12px;white-space:nowrap}
  .workspace{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:26px;align-items:start}.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}h2{font-size:16px;font-weight:600;margin:0}.section-head span{font-size:12px;color:var(--muted)}
  .workspace,.workspace *{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}.pad,.pad canvas{touch-action:none;-webkit-user-drag:none}.pad canvas{-webkit-tap-highlight-color:transparent}
  .tools{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:17px}.segmented{display:flex;padding:4px;background:#e8e9e1;border-radius:12px}.segmented button{border:0;background:transparent;min-height:40px;padding:7px 17px;border-radius:9px;font-size:13px}.segmented button[aria-pressed=true]{background:var(--paper);box-shadow:0 1px 4px #263c3510}.finger{font-size:12px;display:flex;align-items:center;gap:7px;min-height:44px;color:var(--muted);cursor:pointer}.finger input{width:18px;height:18px;accent-color:var(--accent)}
  .note{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:16px;transition:border-color .2s}.note-head{padding:11px 19px 0;display:flex;align-items:center;justify-content:space-between}.note-name{font-size:12px;font-weight:600;letter-spacing:.05em}.undo{border:0;background:transparent;font-size:12px;min-height:40px;padding:7px 0 7px 14px;color:var(--muted)}
  .pad{position:relative;height:164px;margin:0 18px 17px;background:repeating-linear-gradient(to bottom,transparent 0,transparent 39px,#e9e9df 39px,#e9e9df 40px);border-radius:4px;overflow:hidden}.pad canvas{display:block;width:100%;height:100%;touch-action:none;cursor:crosshair}.hint,.done-cover{position:absolute;inset:0;pointer-events:none;display:flex;align-items:center;justify-content:center;font-size:15px;color:#9ba094}.done-cover{flex-direction:column;gap:5px;background:var(--paper);color:var(--accent)}.done-cover strong{font-size:19px;font-weight:500}.done-cover span{font-size:12px;color:var(--muted)}[hidden]{display:none!important}.note.completed{border-color:#b7c6ad}.note.completed canvas{visibility:hidden}.note.completed .pad{background:none}.note.completed .note-name{color:var(--muted)}
  aside{background:var(--sage);border:1px solid #dce3d5;border-radius:var(--radius);padding:23px;position:sticky;top:22px}.list-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.progress{font-size:12px;color:var(--accent);font-variant-numeric:tabular-nums}.list-help{font-size:12px;color:var(--muted);margin:0 0 22px}.check-row{display:flex;align-items:center;gap:12px;cursor:pointer;padding:17px 0;border-bottom:1px solid #d4ddcd;min-height:76px}.check-row:last-of-type{border:0}.check-row input{width:24px;height:24px;flex:none;accent-color:var(--accent);cursor:pointer}.check-row strong{font-size:14px;font-weight:500;display:block}.check-row small{display:block;font-size:11px;color:var(--muted);margin-top:2px}.check-row.done strong{text-decoration:line-through;color:var(--muted)}.check-row.empty{opacity:.55;cursor:default}.check-row.empty input{cursor:default}.complete-message{margin:17px 0 0;font-size:12px;color:var(--accent);padding:12px;background:#ffffff70;border-radius:10px}
  .tips{font-size:12px;line-height:1.8;color:var(--muted);margin:19px 2px 0}.tips p{margin:4px 0}footer{margin-top:28px;border-top:1px solid var(--line);padding-top:15px;display:flex;justify-content:space-between;align-items:start;gap:18px;font-size:11px;color:var(--muted)}#save-status{white-space:normal}.storage-error{color:#973e28!important}.phase-note{max-width:520px;text-align:right}
  @media(max-width:960px){.shell{padding:26px 22px}.workspace{grid-template-columns:minmax(0,1fr) 245px;gap:18px}aside{padding:20px}.pad{height:174px}header{margin-bottom:24px}h1{font-size:28px}}
  @media(max-width:680px){.shell{padding:23px 16px}header{align-items:start;gap:10px}h1{font-size:26px}header p{font-size:12px}.stage{font-size:10px;padding:6px 9px}.workspace{grid-template-columns:1fr}aside{position:static;grid-row:1;padding:16px 18px}.list-help{margin-bottom:4px}.check-row{padding:10px 0;min-height:57px}.check-row small{display:inline;margin-left:7px}.check-row strong{display:inline}.complete-message{margin-top:9px}.pad{height:172px}footer{flex-direction:column;gap:6px}.phase-note{text-align:left}.section-head span{font-size:11px}}
.lab-controls{padding:0 18px 18px;display:grid;gap:8px}.lab-controls textarea{min-height:55px;user-select:text;-webkit-user-select:text}.lab-panel{padding:18px;border:1px solid #dedfd5;border-radius:16px;margin-top:18px}.lab-panel button{margin:5px;padding:8px}#png-preview{max-width:100%;border:1px solid #ddd}pre{white-space:pre-wrap;word-break:break-word}select,textarea{font:inherit;padding:7px}
.security-panel{background:#fffefb;padding:18px;border-radius:16px;margin-top:20px}.actions{display:flex;flex-wrap:wrap;gap:8px}button,select,input,textarea{font:inherit}button{padding:9px 14px}dialog{border:1px solid #dedfd5;border-radius:16px;max-width:680px;width:90%;max-height:90vh;overflow:auto}dialog::backdrop{background:#18322980}dialog img{max-width:100%}fieldset{border:1px solid #dedfd5;padding:12px}label.field{display:grid;gap:4px;margin:12px 0}input[type=password]{padding:10px}pre{white-space:pre-wrap;word-break:break-word}.notice{color:#6d766d;font-size:12px}.error{color:#973e28}.lab-controls textarea{min-height:55px}#privacy-note{max-width:800px}