* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: -apple-system, "Segoe UI", "Hiragino Sans", "Noto Sans JP", sans-serif;
    color: #222;
    background: #f5f6f8;
}
.topbar {
    display: flex; align-items: center; gap: 1rem;
    background: #2c3e50; color: #fff; padding: .6rem 1rem;
}
.topbar a { color: #fff; text-decoration: none; }
.topbar .brand { font-weight: bold; }
.topbar nav { margin-left: auto; display: flex; align-items: center; gap: 1rem; }
.topbar .who { font-size: .85rem; opacity: .85; }
.container { max-width: 880px; margin: 1.5rem auto; padding: 0 1rem; }
h1 { font-size: 1.4rem; }
.card { background: #fff; border: 1px solid #e1e4e8; border-radius: 8px; padding: 1.2rem; }
.form { display: flex; flex-direction: column; gap: .9rem; max-width: 420px; }
.form label { display: flex; flex-direction: column; gap: .3rem; font-size: .9rem; }
.form input, .form select {
    padding: .5rem; border: 1px solid #ccc; border-radius: 6px; font-size: 1rem;
}
button, .btn {
    background: #2c7be5; color: #fff; border: 0; border-radius: 6px;
    padding: .5rem .9rem; font-size: .9rem; cursor: pointer; text-decoration: none;
    display: inline-block;
}
button:hover, .btn:hover { background: #1a68d1; }
.inline { display: inline; }
.btn-cancel { margin-left: .6rem; color: #555; }
.error { color: #c0392b; background: #fdecea; padding: .6rem .8rem; border-radius: 6px; }
.success { color: #1e7e34; background: #e8f6ec; padding: .6rem .8rem; border-radius: 6px; }
.table { width: 100%; border-collapse: collapse; background: #fff; }
.table th, .table td { border: 1px solid #e1e4e8; padding: .5rem .6rem; text-align: left; font-size: .9rem; }
.table th { background: #f0f2f5; }
.muted { color: #999; }
.todo { color: #999; font-style: italic; }
.links { line-height: 1.9; }

/* --- danger / chips --- */
button.danger, .danger { background:#c0392b; }
button.danger:hover { background:#a5281b; }
.small { font-size:.8rem; }
.chip { background:#eef2f7; color:#234; border:1px solid #cfd8e3; border-radius:12px; padding:.15rem .5rem; margin:.1rem; font-size:.78rem; cursor:pointer; }
.chip:hover { background:#dde7f2; }

/* --- layout editor --- */
.editor-toolbar { display:flex; align-items:center; gap:.6rem; flex-wrap:wrap; margin-bottom:1rem; }
.editor-toolbar .spacer { flex:1; }
.editor-toolbar .name-input { padding:.4rem; border:1px solid #ccc; border-radius:6px; min-width:220px; }
.inline-lbl { font-size:.85rem; display:flex; align-items:center; gap:.3rem; }
.editor-main { display:flex; gap:1.2rem; align-items:flex-start; }
.canvas-wrap { flex:0 0 auto; }
.paper { position:relative; background:#fff; border:1px solid #888; box-shadow:0 1px 6px rgba(0,0,0,.15); }
#guides { position:absolute; inset:0; }
.postal-guide { position:absolute; border:1px solid #e3a3a3; background:rgba(231,76,60,.05); }
.el { position:absolute; white-space:nowrap; cursor:move; line-height:1; color:#111;
      padding:1px 2px; border:1px dashed transparent; user-select:none; touch-action:none; }
.el.vert { writing-mode:vertical-rl; text-orientation:upright; }
.el:hover { border-color:#9bb8e0; }
.el.selected { border-color:#2c7be5; background:rgba(44,123,229,.08); }
/* 行の基本位置（最大描画ブロック）の矩形 */
.anchor { position:absolute; box-sizing:border-box; cursor:move; user-select:none; touch-action:none;
          border:1.5px solid #2c7be5; background:rgba(44,123,229,.06); }
.anchor:hover { background:rgba(44,123,229,.12); }
.anchor.selected { border-color:#e8590c; background:rgba(232,89,12,.12); box-shadow:0 0 0 1px #e8590c inset; }
.anchor-label { position:absolute; top:0; left:0; transform:translateY(-100%);
                font-size:.7rem; line-height:1.2; padding:0 3px; background:#2c7be5; color:#fff; white-space:nowrap; border-radius:3px 3px 0 0; }
.anchor.selected .anchor-label { background:#e8590c; }
.anchor-list .chip { margin:.15rem; }
/* プレビュー（PNG画面表示） */
.preview-box { margin-top:1rem; border:1px solid #e1e4e8; border-radius:8px; padding:.5rem; background:#fafbfc; max-width:420px; }
.preview-head { display:flex; justify-content:space-between; align-items:center; font-size:.85rem; margin-bottom:.4rem; }
.preview-box img { width:100%; height:auto; border:1px solid #ddd; background:#fff; }
.editor-panel { flex:1; min-width:240px; background:#fff; border:1px solid #e1e4e8; border-radius:8px; padding:1rem; }
.panel-section { margin-bottom:1rem; }
.panel-section h3 { font-size:1rem; margin:.2rem 0 .6rem; }
.editor-panel label { display:block; font-size:.85rem; margin:.5rem 0; }
.editor-panel input[type=text], .editor-panel input[type=number], .editor-panel select { width:100%; padding:.4rem; border:1px solid #ccc; border-radius:6px; }
.editor-panel label.row, .editor-panel label.inline-lbl { display:flex; align-items:center; gap:.4rem; }
.editor-panel label.row input { width:auto; }
.row2 { display:flex; gap:.6rem; }
.row2 label { flex:1; }
.field-buttons { display:flex; flex-wrap:wrap; margin:.3rem 0; }
.hidden { display:none; }

/* --- generate page --- */
.tabs { display:flex; gap:.3rem; margin:1rem 0 .6rem; }
.tab { background:#e7ebf0; color:#333; }
.tab.active { background:#2c7be5; color:#fff; }
.tab-pane { margin-top:.4rem; }
.grid-fields { display:grid; grid-template-columns:repeat(2,1fr); gap:.6rem; margin:.8rem 0; }
.grid-fields label { display:flex; flex-direction:column; gap:.2rem; font-size:.85rem; }
.grid-fields input { padding:.45rem; border:1px solid #ccc; border-radius:6px; }
.dropzone { border:2px dashed #9bb8e0; border-radius:8px; padding:1.4rem; text-align:center; color:#456; background:#f7faff; }
.dropzone.over { background:#e8f1ff; border-color:#2c7be5; }
.table.sample td, .table.sample th { font-size:.82rem; }
.summary { font-weight:bold; margin:.6rem 0; }

/* --- generate result --- */
.preview-wrap { margin-top:.8rem; }
#result-img { max-width:100%; border:1px solid #ccc; box-shadow:0 1px 6px rgba(0,0,0,.12); background:#fff; }
#result-dl { margin:.3rem 0; }

/* --- 生成中オーバーレイ（ウェイトマーク） --- */
.overlay { position:fixed; top:0; right:0; bottom:0; left:0; background:rgba(0,0,0,.45);
  display:flex; align-items:center; justify-content:center; z-index:1000; }
.overlay.hidden { display:none; }
.overlay-box { background:#fff; padding:1.5rem 2.2rem; border-radius:8px; text-align:center;
  color:#333; box-shadow:0 6px 24px rgba(0,0,0,.25); }
.spinner { width:44px; height:44px; margin:0 auto .8rem; border:4px solid #d8dde3;
  border-top-color:#2c7be5; border-radius:50%; animation:spin .8s linear infinite; }
@keyframes spin { to { transform:rotate(360deg); } }