:root{--bg: #f4f6f9;--card: #ffffff;--border: #e1e5ea;--text: #1f2933;--muted: #7b8794;--primary: #2563eb;--primary-d: #1d4ed8;--danger: #dc2626;--ok: #059669}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,Segoe UI,Hiragino Kaku Gothic ProN,Noto Sans JP,Meiryo,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.centered{display:flex;align-items:center;justify-content:center;min-height:100vh;flex-direction:column}.topbar{display:flex;align-items:center;gap:24px;background:#14532d;color:#fff;padding:0 24px;height:56px}.topbar .brand{color:#fff;font-weight:700;font-size:18px}.topbar nav{display:flex;gap:18px}.topbar nav a{color:#cde8d6}.topbar nav a:hover{color:#fff;text-decoration:none}.topbar-right{margin-left:auto;display:flex;align-items:center;gap:14px}.topbar .user{color:#e4e7eb;font-size:14px}.topbar .link{color:#cde8d6}.badge{background:var(--danger);color:#fff;border-radius:10px;padding:0 6px;font-size:11px;margin-left:4px}.container{max-width:1080px;margin:24px auto;padding:0 20px}.footer{text-align:center;color:var(--muted);font-size:12px;padding:30px}h1{font-size:22px}h2{font-size:17px}.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:18px 20px;margin-bottom:18px}.card-head{display:flex;align-items:center;justify-content:space-between;margin:18px 0 10px;gap:10px}.card-head h1,.card-head h2{margin:0}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}@media (max-width: 760px){.grid-2,.grid-3{grid-template-columns:1fr}}.table{width:100%;border-collapse:collapse;background:var(--card)}.table th,.table td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--border);font-size:14px}.table th{color:var(--muted);font-weight:600;font-size:12px}.table td.r,.table 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var(--border);border-radius:7px;margin-top:4px;font-size:14px;font-family:inherit}.form-actions{display:flex;gap:10px;align-items:center;margin-top:10px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}@media (max-width: 640px){.form-grid{grid-template-columns:1fr}}.checkbox{display:flex!important;align-items:center;gap:6px}.checkbox input{width:auto!important;margin:0!important}.muted{color:var(--muted)}.small{font-size:12px}.mono{font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace}.code-chip{background:#14532d;color:#fff;padding:1px 7px;border-radius:4px;font-size:13px}.right{text-align:right}.nowrap{white-space:nowrap}.desc{white-space:pre-wrap}.status{padding:2px 8px;border-radius:4px;font-size:12px;background:#e4e7eb;white-space:nowrap}.status-requested{background:#e0e7ff;color:#3730a3}.status-quoted{background:#dbeafe;color:#1e40af}.status-ordered{background:#fef3c7;color:#92400e}.status-delivery_requested{background:#fce7f3;color:#9d174d}.status-delivered{background:#cffafe;color:#155e75}.status-accepted{background:#d1fae5;color:#065f46}.status-invoiced{background:#ede9fe;color:#5b21b6}.status-closed{background:#e2e8f0;color:#475569}.status-cancelled{background:#f1f5f9;color:#94a3b8}.role-tag{margin-left:6px;font-size:11px;padding:1px 6px;border-radius:4px;background:#e4e7eb;color:#52606d}.role-admin{background:#fde2e2;color:#b91c1c}.role-company_admin{background:#e0e7ff;color:#3730a3}.role-member{background:#dcfce7;color:#166534}.side-tag{margin-left:6px;font-size:11px;padding:1px 6px;border-radius:4px}.side-buyer{background:#e0e7ff;color:#3730a3}.side-seller{background:#d1fae5;color:#065f46}.seal-preview{width:72px;height:72px;object-fit:contain;border:1px solid var(--border);border-radius:6px;background:#fff}.steps{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin:10px 0}.step{font-size:12px;padding:3px 10px;border-radius:14px;background:#eef1f5;color:#7b8794}.step.done{background:#14532d;color:#fff}.step.current{background:var(--primary);color:#fff;font-weight:600}.step-sep{color:#cbd2d9}.items-editor{width:100%;border-collapse:collapse}.items-editor th{font-size:12px;color:var(--muted);text-align:left;padding:4px 6px}.items-editor td{padding:3px 6px;vertical-align:top}.items-editor input{width:100%;padding:6px 8px;border:1px solid var(--border);border-radius:6px;font-size:13px;font-family:inherit}.items-editor 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var(--border);border-radius:7px;font-size:13px;font-family:inherit}.flash{padding:10px 16px;border-radius:8px;margin-bottom:16px;font-size:14px}.flash-success{background:#d1fae5;color:#065f46}.flash-error{background:#fee2e2;color:#991b1b}.flash-info{background:#dbeafe;color:#1e40af}.tabs{display:flex;gap:4px;border-bottom:2px solid var(--border);margin:14px 0}.tabs a{padding:8px 16px;color:var(--muted)}.tabs .active{color:var(--primary);border-bottom:2px solid var(--primary);margin-bottom:-2px;font-weight:600}