:root{
  --bg:#f6f6f6; --card:#fff; --border:#e5e7eb; --text:#111827; --muted:#6b7280;
  --primary:#111; --danger:#b91c1c; --warn:#b45309; --ok:#15803d;
  --radius:12px;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Noto Sans JP","Hiragino Kaku Gothic ProN","Meiryo",sans-serif;background:var(--bg);color:var(--text)}
header{background:var(--card);border-bottom:1px solid var(--border)}
.container{max-width:1180px;margin:0 auto;padding:16px}
.headerRow{display:flex;gap:12px;align-items:center;justify-content:space-between}
.badge{font-size:12px;color:var(--muted)}
.grid{display:grid;grid-template-columns: 280px 1fr 420px; gap:16px; align-items:start}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:14px}
h1{font-size:18px;margin:0}
h2{font-size:16px;margin:0 0 8px}
.small{font-size:12px;color:var(--muted);line-height:1.6}
.stepBtn{width:100%;text-align:left;border:1px solid transparent;background:transparent;border-radius:10px;padding:10px;cursor:pointer}
.stepBtn:hover{background:#fafafa}
.stepBtn.active{background:#f3f4f6;border-color:#e5e7eb}
.stepTitle{font-size:13px;font-weight:700}
.stepDesc{font-size:11px;color:var(--muted);margin-top:3px;line-height:1.4}
.row{display:flex;gap:8px;flex-wrap:wrap}
.btn{border:1px solid var(--border);background:var(--card);padding:10px 12px;border-radius:10px;cursor:pointer}
.btn.primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.field{border:1px solid var(--border);border-radius:12px;padding:12px}
.label{font-weight:700;font-size:13px}
.req{color:var(--danger)}
.help{margin-top:6px;font-size:13px;color:#374151;line-height:1.6}
.tip{margin-top:6px;font-size:12px;color:var(--muted)}
input[type="text"], input[type="number"], input[type="time"], textarea{
  width:100%; border:1px solid var(--border); border-radius:10px; padding:10px 12px; font-size:14px; margin-top:10px;
}
textarea{min-height:110px; resize:vertical}
.opt{display:flex;gap:10px;align-items:flex-start;margin-top:10px;cursor:pointer}
.opt input{margin-top:3px}
.optTitle{font-weight:600}
.optDesc{font-size:12px;color:var(--muted);margin-top:2px;line-height:1.4}
.status{margin-top:10px;font-size:12px}
.status.ok{color:var(--ok)}
.status.warn{color:var(--warn)}
details pre{white-space:pre-wrap;font-size:11px;color:#374151;margin:8px 0 0}
.previewWrap{max-height: calc(100vh - 160px); overflow:auto; padding-right:8px}
.preview h1{font-size:18px;margin:0 0 8px}
.preview h2{font-size:15px;margin:16px 0 8px}
.preview p, .preview li{font-size:13px;line-height:1.7;color:#111827}
.preview ul{padding-left:18px}
hr{border:none;border-top:1px solid var(--border);margin:12px 0}
@media (max-width: 1100px){
  .grid{grid-template-columns: 1fr; }
  .previewWrap{max-height:none}
}
@media print{
  header{display:none !important}
  .grid{display:block}
  #left,#middle{display:none !important}
  #right{border:none !important}
  .card{border:none !important; padding:0 !important}
  .previewWrap{max-height:none !important; overflow:visible !important}
  body{background:#fff}
}