:root{--bg:#f6f7f9;--surface:#ffffff;--text:#1f2937;--muted:#6b7280;--border:#e5e7eb;--primary:#1d4ed8;--primary-hover:#1e40af;--danger:#b91c1c;--radius:10px}*{box-sizing:border-box}body{margin:0;font-family:Noto Sans JP,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}a{color:var(--primary);text-decoration:none}.app-header{display:flex;align-items:center;gap:24px;padding:0 20px;height:56px;background:var(--surface);border-bottom:1px solid var(--border);position:-webkit-sticky;position:sticky;top:0;z-index:10}.app-brand{display:flex;align-items:baseline;gap:8px;color:var(--text);font-weight:700}.app-brand small{color:var(--muted);font-weight:400;font-size:12px}.app-nav{display:flex;gap:4px;flex:1 1}.app-nav a{padding:6px 12px;border-radius:8px;color:var(--text);font-size:14px}.app-nav a.active,.app-nav a:hover{background:var(--bg)}.app-nav a.active{font-weight:600}.app-user{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:12px}.app-main{max-width:1080px;margin:0 auto;padding:24px 20px 64px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.card+.card{margin-top:16px}.card h2{margin:0 0 8px;font-size:16px}.card .sub{color:var(--muted);font-size:13px;margin:0}.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));grid-gap:16px;gap:16px}.btn{display:inline-block;padding:10px 16px;border-radius:8px;border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:14px;cursor:pointer;font-family:inherit}.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn.primary:hover{background:var(--primary-hover)}.btn:disabled{opacity:.6;cursor:default}.err{background:#fef2f2;border:1px solid #fecaca;color:var(--danger);border-radius:8px;padding:10px 12px;font-size:13px;margin:12px 0}.placeholder{color:var(--muted);border:1px dashed var(--border);border-radius:var(--radius);padding:40px;text-align:center}.field{display:flex;flex-direction:column;gap:4px;margin-bottom:12px}.field label{font-size:13px;font-weight:600;color:var(--muted)}.field input,.field select,.field textarea{font-family:inherit;font-size:14px;padding:8px 10px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text)}.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--primary);outline-offset:-1px}.field .hint{font-size:12px;color:var(--muted)}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-column-gap:16px;column-gap:16px}.form-actions{display:flex;gap:8px;align-items:center;margin-top:8px}.ok-msg{background:#ecfdf5;border:1px solid #a7f3d0;color:#047857;border-radius:8px}.ok-msg,.warn-msg{padding:10px 12px;font-size:13px;margin:12px 0}.warn-msg{background:#fffbeb;border:1px solid #fde68a;color:#92400e;border-radius:8px}.table{width:100%;border-collapse:collapse;font-size:14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.table td,.table th{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border)}.table th{background:var(--bg);font-size:12px;color:var(--muted);font-weight:600}.table tr:last-child td{border-bottom:none}.table td.num,.table th.num{text-align:right;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.table a{font-weight:600}.toolbar{display:flex;gap:8px;align-items:center;margin-bottom:16px;flex-wrap:wrap}.toolbar .spacer{flex:1 1}.toolbar input[type=search]{font-family:inherit;font-size:14px;padding:8px 10px;border:1px solid var(--border);border-radius:8px;min-width:220px}.badge{display:inline-block;font-size:12px;padding:2px 8px;border-radius:999px;border:1px solid var(--border);background:var(--bg);color:var(--muted)}.badge.draft{background:#eff6ff;border-color:#bfdbfe;color:#1d4ed8}.badge.type-quote{background:#f0fdf4;border-color:#bbf7d0;color:#15803d}.badge.type-delivery{background:#fefce8;border-color:#fde047;color:#a16207}.badge.type-invoice{background:#eff6ff;border-color:#bfdbfe;color:#1d4ed8}.btn.small{padding:4px 10px;font-size:13px}.btn.danger{color:var(--danger);border-color:#fecaca}.lines-table td,.lines-table th{padding:6px;vertical-align:top}.lines-table input,.lines-table select{font-family:inherit;font-size:13px;padding:6px 8px;border:1px solid var(--border);border-radius:6px;width:100%;box-sizing:border-box}.lines-table .amount,.lines-table input.num{text-align:right;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.lines-table .amount{white-space:nowrap;padding-top:12px}.lines-table .row-btns{display:flex;gap:2px;white-space:nowrap}.lines-table .row-btns button{border:1px solid var(--border);background:var(--surface);border-radius:6px;cursor:pointer;padding:4px 7px;font-size:12px;color:var(--muted)}.lines-table .row-btns button:hover{background:var(--bg)}.totals-panel{margin-left:auto;max-width:360px;font-size:14px}.totals-panel .row{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px solid var(--border)}.totals-panel .row.total{font-size:17px;font-weight:700;border-bottom:none}.totals-panel .num{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.image-preview{max-width:180px;max-height:90px;border:1px solid var(--border);border-radius:6px;background:#fff;padding:4px}.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.auth-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:32px;width:100%;max-width:400px}.auth-card h1{font-size:20px;margin:16px 0 4px}.auth-card .sub{color:var(--muted);font-size:13px;margin:0 0 20px}.auth-card .btn{width:100%;text-align:center}.brand{display:flex;align-items:center;gap:10px}.brand b{display:block;line-height:1.2}.brand small{color:var(--muted);font-size:12px}.brandmark{width:34px;height:34px;color:var(--primary)}