:root{
  --bg:#f6f7f9; --panel:#fff; --line:#e3e6ea; --text:#1c1f23;
  --sub:#6b7280; --accent:#2563eb; --ok:#16a34a; --radius:10px;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);
  font-family:system-ui,-apple-system,"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;
  font-size:14px;line-height:1.7}
header{display:flex;align-items:center;gap:12px;padding:14px 20px 0;
  background:var(--panel);position:sticky;top:0;z-index:10;
  border-bottom:1px solid var(--line);flex-wrap:wrap}
header h1{font-size:16px;margin:0;font-weight:700;letter-spacing:.02em}
.title-btn{font:inherit;font-size:16px;font-weight:700;letter-spacing:.02em;
  background:none;border:none;padding:0;margin:0;cursor:pointer;color:var(--text)}
.title-btn:hover{color:var(--accent);text-decoration:underline}
.notice{width:100%;font-size:12px;color:#92590a;background:#fff7e6;border:1px solid #f5deac;
  border-radius:8px;padding:7px 12px;margin:0}
.site-footer{max-width:1200px;margin:0 auto;padding:0 16px 24px}
header .spacer{flex:1}
.tabbar{display:flex;gap:4px;align-items:center;width:100%;overflow-x:auto;
  padding:10px 0 0;scrollbar-width:thin}
.tab{white-space:nowrap;border:1px solid transparent;border-bottom:none;background:none;
  padding:7px 14px;border-radius:8px 8px 0 0;cursor:pointer;color:var(--sub);font:inherit;
  position:relative;top:1px}
.tab:hover{background:#f0f2f5;color:var(--text)}
.tab.active{background:var(--panel);border-color:var(--line);color:var(--accent);font-weight:700}
.tab .cnt{font-size:11px;color:var(--sub);margin-left:6px;font-weight:400}
.tab .num{font-size:10px;color:#9aa1ab;margin-right:5px}
.tabtools{display:flex;gap:4px;margin-left:6px;flex:0 0 auto}
.tabtools button{padding:4px 9px;font-size:12px;color:var(--sub)}
.wrap{display:grid;grid-template-columns:300px 1fr;gap:16px;padding:16px;max-width:1200px;margin:0 auto}
@media(max-width:820px){.wrap{grid-template-columns:1fr}}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px}
.label{font-size:12px;color:var(--sub);margin:0 0 8px}
button{font:inherit;border:1px solid var(--line);background:#fff;color:var(--text);
  padding:6px 12px;border-radius:8px;cursor:pointer}
button:hover{background:#f0f2f5}
button.primary{background:var(--accent);border-color:var(--accent);color:#fff}
button.primary:hover{filter:brightness(1.08)}
button.done{background:var(--ok);border-color:var(--ok);color:#fff}
input[type=text],textarea,select{width:100%;font:inherit;padding:8px 10px;border:1px solid var(--line);
  border-radius:8px;background:#fff;color:var(--text);resize:none;overflow:hidden}
textarea:focus,input:focus,select:focus{outline:2px solid #bfd4ff;border-color:var(--accent)}
.card{border:1px solid var(--line);border-radius:8px;padding:10px;margin-bottom:8px;cursor:pointer}
.card:hover{border-color:var(--accent)}
.card.active{border-color:var(--accent);background:#f3f7ff}
.card .t{font-weight:600}
.card .d{font-size:12px;color:var(--sub);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card .tag{display:inline-block;font-size:11px;color:var(--accent);background:#eef4ff;
  border-radius:4px;padding:0 6px;margin-right:6px}
.card .row{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.card .row button{padding:3px 8px;font-size:12px}
.card .row button.move{padding:3px 7px;color:var(--sub);line-height:1.4}
.card .row button.move:hover:not([disabled]){color:var(--accent);border-color:var(--accent);background:#eef4ff}
.card .row button.move[disabled]{opacity:.35;cursor:default}
.field{margin-bottom:12px}
.field label{display:block;font-size:12px;font-weight:600;margin-bottom:4px}
.field .hint{font-weight:400;color:var(--sub);margin-left:6px}
pre.preview{white-space:pre-wrap;word-break:break-word;background:#fbfcfd;border:1px solid var(--line);
  border-radius:8px;padding:12px;margin:0;font-family:inherit;min-height:120px}
pre.preview mark{background:#ffe9a8;border-radius:3px;padding:0 2px}
.bar{display:flex;align-items:center;gap:8px;margin-top:10px;flex-wrap:wrap}
/* タイトル行の右端に操作ボタンを並べる */
.editor-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;flex-wrap:wrap}
.editor-head .editor-title{flex:1 1 200px;min-width:0}
.editor-head .editor-actions{margin-top:0;justify-content:flex-end;flex:0 1 auto}
@media(max-width:600px){
  .editor-head .editor-actions{justify-content:flex-start;flex:1 1 100%;margin-top:2px}
}
.warn{font-size:12px;color:#b45309}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.35);display:none;align-items:center;
  justify-content:center;padding:16px;z-index:20}
.modal.show{display:flex}
.modal .box{background:#fff;border-radius:12px;padding:18px;width:min(680px,100%);max-height:90vh;overflow:auto}
.modal h2{font-size:15px;margin:0 0 12px}
.trow{display:flex;gap:6px;align-items:center;margin-bottom:6px}
.trow input{flex:1}
.trow button{padding:5px 9px;font-size:12px}
.muted{font-size:12px;color:var(--sub)}
hr{border:0;border-top:1px solid var(--line);margin:14px 0}

/* ---- 使い方ガイド ---- */
/* ヘッダー・本文（スクロール領域）・フッターの3段構成にして重なりを防ぐ */
.modal .box.guide{width:min(720px,100%);display:flex;flex-direction:column;overflow:hidden}
.guide-body{overflow-y:auto;flex:1 1 auto;padding-right:4px;overscroll-behavior:contain}
.guide-foot{flex:0 0 auto;border-top:1px solid var(--line);padding-top:12px}
.guide-lead{margin:0 0 16px;color:var(--sub);font-size:13px}
.guide-sec{border:1px solid var(--line);border-radius:8px;padding:10px 14px;margin-bottom:8px;background:#fbfcfd}
.guide-sec h3{display:flex;align-items:center;gap:8px;font-size:13px;margin:0 0 4px}
.guide-sec p{margin:0;font-size:13px}
.guide-sec .step{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;
  border-radius:50%;background:var(--accent);color:#fff;font-size:12px;flex:0 0 auto}
.guide-h{font-size:13px;margin:18px 0 6px;padding-left:8px;border-left:3px solid var(--accent)}
.guide-list{margin:0;padding-left:1.2em;font-size:13px}
.guide-list li{margin-bottom:4px}
.guide-tbl{width:100%;border-collapse:collapse;font-size:13px;margin:0 0 4px}
.guide-tbl th,.guide-tbl td{border:1px solid var(--line);padding:6px 8px;text-align:left;vertical-align:top}
.guide-tbl th{background:#f6f7f9;font-weight:600;width:34%}
.guide code{background:#eef2f7;border-radius:4px;padding:1px 5px;font-size:12px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.guide kbd{background:#fff;border:1px solid var(--line);border-bottom-width:2px;border-radius:4px;
  padding:0 5px;font-size:11px;font-family:inherit}
.guide mark{background:#ffe9a8;border-radius:3px;padding:0 3px}