/* 生成ツール本体のスタイル（ライト/ダーク両対応） */
* { box-sizing:border-box; margin:0; padding:0; }
:root {
  --bg:#f4f4f7; --card:#fff; --card-alt:#ececed; --border:#d8d8dd;
  --text:#16161a; --sub:#6b6b73; --accent:#c0392b; --accent-2:#0062cc;
  --ok:#1a7a3a; --warn:#96700a; --shadow:rgba(0,0,0,.08);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg:#000; --card:#1c1c1e; --card-alt:#2c2c2e; --border:#48484a;
    --text:#fff; --sub:#aeaeb2; --accent:#ff6961; --accent-2:#6ab7ff;
    --ok:#4cd971; --warn:#ffcf4d; --shadow:rgba(0,0,0,.6);
  }
}
body { font-family:-apple-system,'Hiragino Sans','Yu Gothic',sans-serif; background:var(--bg); color:var(--text); line-height:1.6; }
.wrap { max-width:960px; margin:0 auto; padding:0 16px; }
.app-header { background:var(--card); border-bottom:1px solid var(--border); padding:22px 0; margin-bottom:20px; }
.app-header h1 { font-size:22px; }
.lead { font-size:13px; color:var(--sub); margin-top:6px; }
.step { background:var(--card); border-radius:14px; padding:18px; margin-bottom:16px; box-shadow:0 1px 4px var(--shadow); }
.step h2 { font-size:17px; display:flex; align-items:center; gap:10px; margin-bottom:12px; }
.step h2 .num { width:26px; height:26px; border-radius:50%; background:var(--accent); color:#fff; font-size:14px; display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.hidden { display:none !important; }
.note { font-size:12px; color:var(--sub); margin-bottom:10px; }

.drop-grid { display:grid; grid-template-columns:1fr 1fr; gap:12px; }
@media (max-width:640px) { .drop-grid { grid-template-columns:1fr; } }
.drop { display:block; border:2px dashed var(--border); border-radius:12px; padding:18px; text-align:center; cursor:pointer; transition:.15s; background:var(--card-alt); }
.drop:hover, .drop.over { border-color:var(--accent); background:var(--card); }
.drop.loaded { border-style:solid; border-color:var(--ok); }
.drop-icon { font-size:28px; }
.drop-title { font-weight:700; margin-top:4px; }
.drop-title .req { font-size:11px; background:var(--accent); color:#fff; border-radius:10px; padding:1px 7px; margin-left:6px; }
.drop-title .opt { font-size:11px; background:var(--sub); color:#fff; border-radius:10px; padding:1px 7px; margin-left:6px; }
.drop-hint { font-size:12px; color:var(--sub); margin-top:4px; }
.drop-status { font-size:12px; margin-top:8px; font-weight:700; color:var(--sub); }
.drop.loaded .drop-status { color:var(--ok); }

.row-actions { display:flex; gap:10px; align-items:center; flex-wrap:wrap; margin-top:14px; }
.btn { border:none; border-radius:10px; padding:11px 18px; font-size:15px; font-weight:700; cursor:pointer; font-family:inherit; }
.btn.primary { background:var(--accent); color:#fff; }
.btn.ghost { background:var(--card-alt); color:var(--text); border:1px solid var(--border); }
.btn:active { opacity:.75; }
.btn:disabled { opacity:.4; cursor:not-allowed; }
.filesize { font-size:12px; color:var(--sub); }

.summary { margin-top:14px; background:var(--card-alt); border-radius:10px; padding:12px 14px; font-size:13px; }
.summary dl { display:grid; grid-template-columns:auto 1fr; gap:2px 14px; }
.summary dt { color:var(--sub); }
.summary dd { font-weight:700; }

.sheet { border:1px solid var(--border); border-radius:12px; padding:14px; margin-bottom:12px; }
.sheet-head { display:flex; align-items:center; gap:10px; flex-wrap:wrap; justify-content:space-between; }
.sheet-name { font-weight:700; font-size:15px; }
.sheet-role { display:flex; gap:6px; align-items:center; font-size:13px; }
select, input[type=text], input[type=number], input[type=date], input[type=time] {
  font-family:inherit; font-size:14px; padding:7px 8px; border-radius:8px;
  border:1px solid var(--border); background:var(--card-alt); color:var(--text);
}
.map-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(180px,1fr)); gap:8px; margin-top:12px; }
.map-grid label { font-size:12px; color:var(--sub); display:flex; flex-direction:column; gap:3px; }
.map-grid select { width:100%; }
.tablewrap { overflow-x:auto; margin-top:10px; border:1px solid var(--border); border-radius:8px; }
table.preview { border-collapse:collapse; font-size:12px; white-space:nowrap; }
table.preview th, table.preview td { border:1px solid var(--border); padding:4px 8px; text-align:left; max-width:220px; overflow:hidden; text-overflow:ellipsis; }
table.preview thead th { background:var(--card-alt); position:sticky; top:0; }
table.preview tr.headerrow td { background:rgba(192,57,43,.12); font-weight:700; }
table.preview td.mapped { background:rgba(0,98,204,.10); }

.form-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(240px,1fr)); gap:12px; }
.form-grid label { display:flex; flex-direction:column; gap:4px; font-size:13px; color:var(--sub); }
.form-grid .check-label { flex-direction:row; align-items:center; gap:8px; color:var(--text); }
.progress { margin-top:12px; background:var(--card-alt); border-radius:8px; padding:10px 12px; font-size:13px; font-weight:600; }
.error.warn { background:rgba(150,112,10,.15); border-left-color:var(--warn); }
.error { margin-top:12px; background:rgba(192,57,43,.12); border-left:4px solid var(--accent); border-radius:8px; padding:10px 12px; font-size:13px; white-space:pre-wrap; }

.preview-frame { margin-top:12px; border:1px solid var(--border); border-radius:12px; overflow:hidden; height:640px; background:#fff; }
.preview-frame iframe { width:100%; height:100%; border:none; }
.report { margin-top:14px; font-size:13px; }
.report summary { cursor:pointer; font-weight:700; }
.report table { border-collapse:collapse; font-size:12px; margin-top:8px; width:100%; }
.report th, .report td { border:1px solid var(--border); padding:4px 8px; text-align:left; }
.report th { background:var(--card-alt); }
.app-footer { font-size:12px; color:var(--sub); padding:10px 16px 40px; }
a { color:var(--accent-2); }