| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 35,003 | +0.3% |
| 4Q25 | 34,531 | -2.2% |
| 3Q25 | 31,414 | -8.8% |
| 2Q25 | 32,014 | -0.4% |
| 1Q25 | 34,906 | +2.1% |
| 4Q24 | 35,296 | -4.9% |
| 3Q24 | 34,448 | -7.6% |
| 2Q24 | 32,129 | -7.4% |
| 1Q24 | 34,177 | -7.4% |
| 4Q23 | 37,099 | +0.8% |
| 3Q23 | 37,298 | +7.1% |
| 2Q23 | 34,692 | +8.8% |
| 1Q23 | 36,896 | +13.1% |
| 4Q22 | 36,818 | - |
| 3Q22 | 34,814 | - |
| 2Q22 | 31,876 | - |
| 1Q22 | 32,629 | - |