:root{--ink:#14213d;--muted:#687086;--line:#dce1e8;--paper:#fff;--accent:#19647e;--accent-dark:#0f4c5c;--bg:#eef1f5;--danger:#a63d40}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--bg);font-family:"Yu Gothic","Hiragino Sans",Meiryo,sans-serif;font-size:14px}button,input,select,textarea{font:inherit}button{cursor:pointer}.app-header{height:82px;padding:14px 28px;display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.app-header h1{margin:1px 0 0;font-size:22px;letter-spacing:.04em}.eyebrow{margin:0;color:var(--accent);font-size:10px;font-weight:800;letter-spacing:.16em}.header-actions,.new-actions{display:flex;align-items:center;gap:8px}.save-status{color:var(--muted);font-size:12px;margin-right:4px}.button{border:1px solid transparent;border-radius:8px;padding:9px 14px;font-weight:700}.button.primary{color:#fff;background:var(--accent)}.button.primary:hover{background:var(--accent-dark)}.button.secondary{color:var(--ink);background:#fff;border-color:var(--line)}.button.danger{color:var(--danger);background:#fff;border-color:#e3b7b8}.workspace{display:grid;grid-template-columns:240px minmax(420px,620px) minmax(620px,1fr);min-height:calc(100vh - 82px)}.sidebar{padding:20px 16px;background:#f8f9fb;border-right:1px solid var(--line)}.new-actions .button{flex:1;padding-inline:8px}.search-label{display:block;margin:24px 0 8px;font-weight:700;font-size:12px;color:var(--muted)}.search{width:100%;border:1px solid var(--line);border-radius:8px;padding:9px 10px;background:#fff}.document-list{margin-top:10px;display:grid;gap:6px}.document-card{width:100%;padding:10px;border:1px solid transparent;border-radius:8px;background:transparent;text-align:left}.document-card:hover,.document-card.active{background:#fff;border-color:var(--line)}.document-card strong,.document-card span{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.document-card span{margin-top:3px;color:var(--muted);font-size:11px}.empty-list{color:var(--muted);font-size:12px;padding:14px 6px}.editor{padding:24px;border-right:1px solid var(--line);overflow:auto}.type-switch{display:flex;margin-bottom:14px;padding:4px;border-radius:10px;background:#dfe4e9}.type-tab{flex:1;border:0;border-radius:7px;padding:8px;background:transparent;color:var(--muted);font-weight:700}.type-tab.active{background:#fff;color:var(--ink);box-shadow:0 1px 4px #b9c0ca80}.form-card{margin-bottom:14px;padding:18px;border:1px solid var(--line);border-radius:12px;background:#fff}.form-card h2{margin:0 0 14px;font-size:15px}.section-heading{display:flex;justify-content:space-between;align-items:start}.text-button{border:0;padding:0;color:var(--accent);background:transparent;font-weight:700}.form-grid{display:grid;gap:12px}.form-grid.two{grid-template-columns:1fr 1fr}.form-grid.three{grid-template-columns:repeat(3,1fr)}.form-grid .wide{grid-column:1/-1}label span{display:block;margin-bottom:5px;color:var(--muted);font-size:11px;font-weight:700}input,select,textarea{width:100%;border:1px solid #cfd5dd;border-radius:7px;padding:8px 9px;color:var(--ink);background:#fff}textarea{resize:vertical;line-height:1.55}input:focus,select:focus,textarea:focus{outline:2px solid #76b5c555;border-color:var(--accent)}.table-scroll{overflow-x:auto}.item-editor{width:100%;border-collapse:collapse;min-width:580px}.item-editor th{padding:0 4px 6px;color:var(--muted);font-size:10px;text-align:left}.item-editor td{padding:4px}.item-editor input,.item-editor select{padding:7px 6px}.item-editor td:nth-child(1){min-width:155px}.item-editor td:nth-child(2){width:64px}.item-editor td:nth-child(3){width:58px}.item-editor td:nth-child(4){width:92px}.item-editor td:nth-child(5){width:68px}.item-editor td:nth-child(6){width:88px;text-align:right;font-variant-numeric:tabular-nums}.item-editor td:last-child{width:30px}.remove-row{border:0;color:var(--danger);background:transparent;font-size:18px}.compact-grid{margin-top:12px}.danger-zone{padding-bottom:30px;text-align:right}.preview-wrap{padding:28px;overflow:auto;background:#dfe3e8}.paper{width:210mm;min-height:297mm;margin:0 auto;padding:18mm 18mm 16mm;background:var(--paper);box-shadow:0 5px 30px #68708635;color:#172033}.paper-header{display:flex;justify-content:space-between;align-items:flex-start;padding-bottom:8mm;border-bottom:2px solid #172033}.document-type{margin:0;font-family:serif;font-size:30px;font-weight:800;letter-spacing:.22em}.paper-header h2{margin:8px 0 0;font-size:14px;font-weight:500}.paper-meta{min-width:58mm;font-size:11px;line-height:1.8}.paper-meta p{margin:0}.recipient{min-height:27mm;padding-top:10mm}.recipient p{display:inline-block;margin:0 0 5px;padding-bottom:4px;border-bottom:1px solid #172033;font-size:20px;font-weight:700}.recipient div{white-space:pre-line;font-size:11px;color:#50596c}.intro{margin:0 0 5mm;font-size:12px}.total-band{display:flex;align-items:baseline;gap:12px;padding:5mm 7mm;border-left:5px solid var(--accent);background:#f0f5f7}.total-band strong{margin-left:auto;font-size:25px;font-variant-numeric:tabular-nums}.tax-caption{font-size:10px}.preview-table{width:100%;margin-top:8mm;border-collapse:collapse;font-size:11px}.preview-table th{padding:7px 5px;color:#fff;background:#314458;font-weight:600}.preview-table td{min-height:25px;padding:7px 5px;border-bottom:1px solid #cfd5dd}.preview-table th:not(:first-child),.preview-table td:not(:first-child){text-align:right}.preview-table th:nth-child(1){width:42%}.preview-table .empty-row td{height:32px}.summary-area{display:grid;grid-template-columns:1fr 65mm;gap:10mm;margin-top:8mm}.tax-breakdown{color:#596174;font-size:10px;line-height:1.8}.tax-breakdown p{margin:0}.totals{width:100%;border-collapse:collapse;font-size:11px}.totals th,.totals td{padding:5px 7px;border-bottom:1px solid #cfd5dd}.totals th{text-align:left;font-weight:500}.totals td{text-align:right;font-variant-numeric:tabular-nums}.totals .grand{font-size:15px;font-weight:800;border-top:2px solid #172033}.paper-footer{display:grid;grid-template-columns:1fr 65mm;gap:12mm;margin-top:14mm;font-size:10px}.paper-footer h3{margin:0 0 3px;font-size:10px}.paper-footer p{margin:0;white-space:pre-line}.notes{margin-top:7mm}.paper-footer address{display:flex;flex-direction:column;gap:3px;padding-left:7mm;border-left:1px solid #cfd5dd;font-style:normal;white-space:pre-line}.paper-footer address strong{margin-bottom:3px;font-size:13px}.toast{position:fixed;right:24px;bottom:24px;z-index:50;padding:11px 15px;border-radius:8px;color:#fff;background:#26354a;box-shadow:0 4px 18px #0003;opacity:0;transform:translateY(8px);transition:.2s;pointer-events:none}.toast.show{opacity:1;transform:none}
@media(max-width:1250px){.workspace{grid-template-columns:220px minmax(440px,1fr)}.preview-wrap{grid-column:1/-1}}@media(max-width:760px){.app-header{height:auto;padding:12px;align-items:flex-start}.app-header h1{font-size:17px}.header-actions{flex-wrap:wrap;justify-content:flex-end}.save-status{width:100%;text-align:right}.workspace{display:block}.sidebar,.editor{border-right:0}.sidebar{border-bottom:1px solid var(--line)}.form-grid.two,.form-grid.three{grid-template-columns:1fr}.preview-wrap{padding:10px;overflow:auto}.paper{transform:scale(.72);transform-origin:top left;margin-bottom:-82mm}.form-card{padding:14px}}@media print{@page{size:A4 portrait;margin:0}body{background:#fff}.no-print{display:none!important}.workspace{display:block;min-height:0}.preview-wrap{padding:0;overflow:visible;background:#fff}.paper{width:210mm;min-height:297mm;margin:0;padding:16mm 18mm 14mm;box-shadow:none;page-break-after:avoid}.document-type{font-size:28px}}