.subtitle{font-size:12px;color:var(--ink-light);font-weight:300;letter-spacing:.1em;border-left:2px solid var(--accent);padding-left:10px}
.notice{font-size:12px;color:var(--ink-light);line-height:1.8;margin:0 0 16px}
.panel-header{padding:10px 16px;border-bottom:1px solid var(--border);background:var(--bg);display:flex;justify-content:space-between;align-items:center;gap:12px}
.panel-label{font-size:10px;letter-spacing:.2em;color:var(--ink-light);text-transform:uppercase}
.panel-body{padding:18px}
.hidden{display:none!important}
.pdf-preview-shell{display:flex;align-items:center;justify-content:center;min-height:300px;background:#f8fafc;border:1px solid var(--border);border-radius:10px;padding:16px;overflow:auto}
#previewCanvas{display:block;max-width:100%;height:auto;background:#fff;box-shadow:0 12px 30px rgba(15,23,42,.12)}
.pdf-info-text{margin-top:12px;font-size:12px;line-height:1.7;color:var(--ink-light);white-space:pre-wrap}
.field-label{display:block;margin-bottom:6px;font-size:11px;font-weight:600;color:var(--ink-light);letter-spacing:.06em}
.readable-input,.readable-select{width:100%;background:#fff;color:var(--ink);border:1px solid var(--border);border-radius:0;font-family:"Noto Sans JP",Consolas,"Courier New",monospace;font-size:14px;font-weight:400;line-height:1.75;letter-spacing:0;box-sizing:border-box;min-height:44px;padding:10px 14px}
.readable-input:focus,.readable-select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 2px rgba(37,99,235,.08)}
.ctrl-row{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.ctrl-label{font-size:11px;color:var(--ink-light);width:58px;flex-shrink:0}
.range-input{flex:1;min-width:0}
.slider-val{font-size:12px;color:var(--ink);min-width:48px;text-align:right}
.fmt-row{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;flex:1}
.fmt-btn{border:1px solid var(--border);background:#fff;color:var(--ink);border-radius:6px;padding:8px 6px;font-size:12px;font-weight:700;cursor:pointer}
.fmt-btn.active{background:var(--blue);border-color:var(--blue);color:#fff}
.color-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.color-row:last-child { margin-bottom: 0; }
.color-row-label { font-size: 10px; color: var(--ink-light); width: 52px; flex-shrink: 0; }
.color-swatch { width: 42px; height: 32px; border-radius: 6px; border: 1px solid var(--border); background: #fff; cursor: pointer; box-sizing: border-box; }
.color-row .color-swatch { width: 42px; height: 32px; border-radius: 6px; }
.color-hex { font-size: 12px; line-height: 32px; min-width: 72px; text-align: center; }
.color-hex-input {height:32px;min-height:32px;padding:0 8px;border:1px solid var(--border);border-radius:6px;background:#fff;color:var(--ink);font-family:"Noto Sans JP",Consolas,"Courier New",monospace;box-sizing:border-box}
.color-hex-input:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 2px rgba(37,99,235,.08); }
.color-hex-input.is-invalid { border-color: #dc2626; background: #fff5f5; }
.color-row input[type="color"] {position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.sidebar-section .apply-btn,.sidebar-section .download-btn,.sidebar-section .reset-btn,.sidebar-section .small-btn{width:100%;margin-top:10px}
.sidebar-section .download-btn.hidden{display:none!important}
.action-bar{display:grid;gap:10px}
.compact-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media(max-width:900px){.compact-grid{grid-template-columns:1fr}.fmt-row{grid-template-columns:repeat(2,1fr)}}