:root{--bg:#eef1f4;--panel:#fff;--border:#d4d9df;--text:#1f2933;--muted:#62707d;--accent:#1f4e79;--accent-soft:#e6eef6;--danger:#b03a2e;--danger-soft:#fbeceb;--ok:#2e7d4f;--warn:#8a5a00;--warn-soft:#fff6e0;color:var(--text);background:var(--bg);font-family:Segoe UI,Yu Gothic UI,Meiryo,Hiragino Sans,system-ui,sans-serif;font-size:13px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}button,input,select{font:inherit;color:inherit}button{border:1px solid var(--border);cursor:pointer;white-space:nowrap;background:#f7f8fa;border-radius:4px;padding:4px 10px}button:hover:not(:disabled){background:#eceff3;border-color:#b9c1ca}button:disabled{opacity:.45;cursor:default}button:focus-visible,input:focus-visible,select:focus-visible{outline-offset:1px;outline:2px solid #5b8fc7}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.primary:hover:not(:disabled){background:#173c5e}button.wide{width:100%;margin-top:6px}button.link{color:var(--accent);background:0 0;border:none;padding:0 4px;text-decoration:underline}button.add{color:var(--accent)}button.remove{color:var(--danger)}input[type=text]{border:1px solid var(--border);text-align:right;font-variant-numeric:tabular-nums;background:#fff;border-radius:3px;padding:3px 6px}input.invalid{border-color:var(--danger);background:var(--danger-soft)}select{border:1px solid var(--border);background:#fff;border-radius:3px;padding:3px 4px}.app{flex-direction:column;min-width:1100px;height:100vh;display:flex}.topbar{background:var(--accent);color:#fff;justify-content:space-between;align-items:center;padding:6px 14px;display:flex}.brand{align-items:center;gap:8px;display:flex}.logo{letter-spacing:.02em;font-size:18px;font-weight:700}.tagline{opacity:.8;margin-left:6px}.topbar-actions{gap:6px;display:flex}.topbar-actions button{color:#fff;background:#ffffff1a;border-color:#ffffff59}.topbar-actions button:hover:not(:disabled){background:#fff3;border-color:#fff}.topbar-actions button.export{color:var(--accent);background:#fff;font-weight:600}.topbar-actions button.export:hover:not(:disabled){background:#e6eef6}.workspace{flex:1;grid-template-columns:300px 1fr 300px;min-height:0;display:grid}.panel{background:var(--panel);padding-bottom:20px;overflow-y:auto}.panel-left{border-right:1px solid var(--border)}.panel-right{border-left:1px solid var(--border)}.center{min-width:0;min-height:0;display:flex;position:relative}.statusbar{border-top:1px solid var(--border);color:var(--muted);background:#f8f9fb;align-items:center;gap:16px;min-height:26px;padding:4px 12px;font-size:12px;display:flex}.statusbar .msg{margin-left:auto}.msg.error{color:var(--danger);font-weight:600}.msg.info{color:var(--ok)}.section{border-bottom:1px solid var(--border)}.section-head{justify-content:space-between;align-items:center;padding:8px 12px 4px;display:flex}.section-head h2{color:var(--accent);margin:0;font-size:13px}.section-body{padding:4px 12px 12px}.section h3{color:var(--muted);margin:12px 0 6px;font-size:12px;font-weight:600}.row{align-items:center;gap:8px;margin:5px 0;display:flex}.row>label{width:44px;color:var(--muted)}.btn-row{flex-wrap:wrap;gap:6px;margin-top:6px;display:flex}.btn-row button{flex:1}.hint{color:var(--muted);margin:4px 0;font-size:11.5px;line-height:1.45}.hint.warn{color:var(--warn);background:var(--warn-soft);border-radius:3px;padding:4px 6px}.numfield{align-items:center;gap:4px;display:inline-flex}.numfield .unit{color:var(--muted);min-width:18px}.check{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:4px;display:inline-flex}.segmented{display:inline-flex}.segmented button{border-radius:0;margin-left:-1px;padding:2px 10px}.segmented button:first-child{border-radius:4px 0 0 4px;margin-left:0}.segmented button:last-child{border-radius:0 4px 4px 0}.segmented button.on{background:var(--accent);border-color:var(--accent);color:#fff;position:relative}.kv{grid-template-columns:70px 1fr;gap:6px 8px;margin:10px 0 0;display:grid}.kv dt{color:var(--muted)}.kv dd{min-width:0;margin:0}.kv.compact{grid-template-columns:1fr;gap:2px;margin-top:12px}.kv.compact dd{font-variant-numeric:tabular-nums;margin-bottom:6px}.filename{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.dpi-check{border:1px solid var(--border);font-variant-numeric:tabular-nums;background:#f8f9fb;border-radius:4px;margin-top:6px;padding:6px 8px;font-size:12px}.dpi-check.bad{border-color:var(--danger);background:var(--danger-soft)}.dpi-check-msg{color:var(--danger);margin-top:4px;line-height:1.45}.offset-label{color:var(--muted);width:44px}.size-now{background:var(--accent-soft);border-radius:4px;margin-bottom:6px;padding:6px 8px}.margin-table{border-collapse:collapse;width:100%;margin-top:6px}.margin-table th,.margin-table td{text-align:left;vertical-align:top;padding:3px 2px}.margin-table thead th{color:var(--muted);font-size:11px;font-weight:400}.margin-table tbody th{width:20px;padding-top:7px}.margin-table button{padding:3px 6px}.margin-table tr.crop input{color:var(--danger);border-color:var(--danger)}.crop-note{color:var(--danger);font-size:11px}.arrow-pad{grid-template-rows:repeat(3,32px);grid-template-columns:repeat(3,40px);justify-content:center;gap:3px;margin:4px 0;display:grid}.arrow-pad button{padding:0;font-size:16px}.pad-center{color:var(--muted);justify-content:center;align-items:center;font-size:11px;display:flex}.info-table{border-collapse:collapse;font-variant-numeric:tabular-nums;width:100%}.info-table th,.info-table td{text-align:left;vertical-align:top;border-bottom:1px solid #edf0f3;padding:3px 4px}.info-table th{color:var(--muted);white-space:nowrap;width:1%;padding-right:10px;font-weight:400}.info-table.adjusted td{font-weight:600}.viewer{flex-direction:column;flex:1;min-width:0;min-height:0;display:flex}.viewer-toolbar{background:var(--panel);border-bottom:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:8px;padding:5px 10px;display:flex}.viewer-toolbar .sep{background:var(--border);width:1px;height:18px}.zoom{align-items:center;gap:4px;display:inline-flex}.zoom button{padding:2px 8px}.guides{color:var(--muted);align-items:center;gap:8px;display:inline-flex}.guides .check{color:var(--text)}.viewer-grid{flex:1;grid-template-rows:24px 1fr;grid-template-columns:24px 1fr;min-height:0;display:grid}.ruler-corner{color:var(--muted);background:#e4e7eb;border-bottom:1px solid #9ca3af;border-right:1px solid #9ca3af;justify-content:center;align-items:center;font-size:9px;display:flex}.ruler{display:block}.viewport{background:#c9ced5;min-width:0;min-height:0;position:relative;overflow:auto}.stage{position:relative}.paper{background:#fff;position:absolute;overflow:hidden;box-shadow:0 1px 6px #00000040}.paper.checker{background-color:#fff;background-image:linear-gradient(45deg,#d9dde2 25%,#0000 25%),linear-gradient(-45deg,#d9dde2 25%,#0000 25%),linear-gradient(45deg,#0000 75%,#d9dde2 75%),linear-gradient(-45deg,#0000 75%,#d9dde2 75%);background-position:0 0,0 8px,8px -8px,-8px 0;background-size:16px 16px}.content,.content-ghost{-webkit-user-select:none;user-select:none;pointer-events:none;max-width:none;position:absolute}.content-ghost{opacity:.25}.overlay{pointer-events:none;position:absolute;top:0;left:0;overflow:visible}.g-paper{fill:none;stroke:#1f2933;stroke-width:1px}.g-content{fill:none;stroke:#c0392b;stroke-width:1px;stroke-dasharray:5 3}.g-center{stroke:#1f6fd1;stroke-width:1px;stroke-dasharray:8 4}.g-margin{fill:#1f6fd11f}.g-label{fill:#1f4e79;paint-order:stroke;stroke:#ffffffe6;stroke-width:3px;font-size:11px}.g-label.crop{fill:var(--danger)}.cal-grid{stroke:#00968859;stroke-width:.75px}.cal-line{stroke:#00796b;stroke-width:2px}.cal-tick{stroke:#00796b;stroke-width:1px}.cal-label{fill:#00796b;font-size:12px;font-weight:600}.viewer-status{background:var(--panel);border-top:1px solid var(--border);font-variant-numeric:tabular-nums;padding:4px 10px;font-size:12px}.muted{color:var(--muted);margin-left:8px}.dropzone{color:var(--muted);background:#f8f9fb;border:2px dashed #9aa6b2;border-radius:8px;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:10px;margin:32px;font-size:14px;display:flex}.dropzone:hover:not(:disabled){border-color:var(--accent);background:#fff}.dz-title{color:var(--text);font-size:18px;font-weight:600}.dz-note{font-size:12px}.dz-privacy{color:var(--ok);margin-top:16px;font-size:12px}.drop-overlay{border:4px dashed var(--accent);color:var(--accent);pointer-events:none;background:#1f4e792e;justify-content:center;align-items:center;font-size:22px;font-weight:700;display:flex;position:fixed;inset:0}.loading{background:#eef1f4b3;justify-content:center;align-items:center;font-size:15px;display:flex;position:absolute;inset:0}.export-dialog{border:1px solid var(--border);border-radius:6px;width:min(820px,94vw);padding:18px 22px;box-shadow:0 8px 30px #00000040}.export-dialog::backdrop{background:#141e2859}.export-dialog h2{color:var(--accent);margin:0 0 10px;font-size:16px}.export-dialog h3{color:var(--muted);margin:6px 0;font-size:12px}.export-grid{grid-template-columns:1fr 1fr;gap:20px;display:grid}.align-box{border:1px solid var(--border);background:#fbf7fa;border-radius:4px;margin-top:10px;padding:4px 12px 8px}.warnings{background:var(--warn-soft);color:var(--warn);border-radius:4px;margin:12px 0 4px;padding:8px 8px 8px 26px}.error{color:var(--danger);font-weight:600}.success{color:var(--ok);font-weight:600}.dialog-actions{justify-content:flex-end;gap:8px;margin-top:14px;display:flex}.dialog-actions button{padding:6px 16px}