:root{--bg:#f5f6f8;--panel:#fff;--panel2:#f0f2f5;--border:#dfe3e8;--text:#1c2128;--muted:#6b7280;--accent:#2563eb;--accent-ink:#fff;--green:#15803d;--red:#dc2626;--amber:#b45309}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Noto Sans JP,Meiryo,sans-serif;font-size:14px}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:1100px;margin:0 auto;padding:20px}.topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:var(--panel);border-bottom:1px solid var(--border)}.topbar .brand{font-weight:700;font-size:16px}.topbar nav a{margin-right:16px;color:var(--muted)}.topbar nav a:hover{color:var(--text)}.card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:18px;margin-bottom:16px;box-shadow:0 1px 2px rgba(16,24,40,.04)}.grid-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-gap:14px;gap:14px}.kpi{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:16px;box-shadow:0 1px 2px rgba(16,24,40,.04)}.kpi .label{color:var(--muted);font-size:12px}.kpi .value{font-size:24px;font-weight:700;margin-top:6px}.kpi .value.green{color:var(--green)}.kpi .value.red{color:var(--red)}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:9px 10px;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:600;font-size:12px}td.num,th.num{text-align:right;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}input,select,textarea{background:#fff;border:1px solid var(--border);color:var(--text);border-radius:7px;padding:8px 10px;font-size:14px;width:100%}input:focus,select:focus,textarea:focus{outline:2px solid rgba(37,99,235,.25);border-color:var(--accent)}input:disabled{background:var(--panel2);color:var(--muted)}label{display:block;font-size:12px;color:var(--muted);margin-bottom:4px}.field{margin-bottom:12px}.row{display:grid;grid-gap:12px;gap:12px}.btn{background:var(--accent);color:var(--accent-ink);border:none;border-radius:7px;padding:9px 16px;font-weight:600;cursor:pointer;font-size:14px}.btn:hover{filter:brightness(1.06)}.btn.secondary{background:var(--panel);color:var(--text);border:1px solid var(--border)}.btn.danger{background:#fff;color:var(--red);border:1px solid var(--red);padding:5px 10px}.btn.small{padding:5px 10px;font-size:12px}.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px}.badge.in_progress{background:#fff3e0;color:var(--amber)}.badge.delivered{background:#e7f0ff;color:var(--accent)}.badge.done{background:#e6f4ea;color:var(--green)}.badge.gray{background:#eceef1;color:var(--muted)}.badge.blue{background:#e7f0ff;color:var(--accent)}.badge.amber{background:#fff3e0;color:var(--amber)}.badge.green{background:#e6f4ea;color:var(--green)}.badge.red{background:#fdecec;color:var(--red)}.muted{color:var(--muted)}.right{text-align:right}.flex{display:flex;align-items:center;gap:12px}.flex.between{justify-content:space-between}h1{font-size:20px}h2{font-size:16px}.section-title{display:flex;justify-content:space-between;align-items:center;margin:22px 0 10px}.error{color:var(--red);font-size:13px;margin-top:8px}.login-wrap{max-width:360px;margin:80px auto}.vnd{color:var(--amber);font-size:11px}.empty{color:var(--muted);padding:24px;text-align:center}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin:18px 0}.tabs a{padding:9px 16px;color:var(--muted);border-bottom:2px solid transparent;font-weight:600}.tabs a.active{color:var(--accent);border-bottom-color:var(--accent)}.tabs a:hover{text-decoration:none;color:var(--text)}.gantt{overflow-x:auto}.gantt-row{display:flex;align-items:center;height:30px}.gantt-label{width:200px;flex:0 0 200px;font-size:13px;padding-right:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.gantt-track{position:relative;flex:1 1;height:30px;border-left:1px solid var(--border)}.gantt-bar{position:absolute;top:6px;height:18px;border-radius:4px;background:var(--accent);font-size:11px;color:#fff;padding:0 6px;line-height:18px;white-space:nowrap;overflow:hidden}.gantt-bar.done{background:var(--green)}.gantt-bar.doing{background:var(--amber)}.gantt-milestone{position:absolute;top:8px;width:14px;height:14px;background:var(--red);transform:rotate(45deg)}.gantt-head{display:flex;height:24px;font-size:11px;color:var(--muted)}.gantt-head .gantt-label{flex:0 0 200px}.gantt-tick{flex:1 1;border-left:1px solid var(--border);padding-left:4px}