| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 3,183 | +0.6% |
| 3Q25 | 2,968 | +4.9% |
| 2Q25 | 2,828 | +2.5% |
| 1Q25 | 2,712 | +8.8% |
| 4Q24 | 3,163 | +9.1% |
| 3Q24 | 2,829 | -0.6% |
| 2Q24 | 2,760 | +8.1% |
| 1Q24 | 2,494 | +22.6% |
| 4Q23 | 2,899 | +15.5% |
| 3Q23 | 2,846 | +6.3% |
| 2Q23 | 2,554 | -6.4% |
| 1Q23 | 2,033 | -32.1% |
| 4Q22 | 2,509 | -20.9% |
| 3Q22 | 2,678 | +1.3% |
| 2Q22 | 2,728 | +8.9% |
| 1Q22 | 2,996 | +15.1% |
| 4Q21 | 3,174 | +17.0% |
| 3Q21 | 2,643 | +1.2% |
| 2Q21 | 2,505 | -2.7% |
| 1Q21 | 2,602 | 0.0% |
| 4Q20 | 2,713 | -16.4% |
| 3Q20 | 2,612 | - |
| 2Q20 | 2,576 | - |
| 1Q20 | 2,602 | - |
| 4Q19 | 3,246 | - |