| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 1,158 | +12.2% |
| 3Q25 | 1,084 | -0.5% |
| 2Q25 | 1,015 | +5.9% |
| 1Q25 | 993 | +3.5% |
| 4Q24 | 1,032 | +8.0% |
| 3Q24 | 1,090 | +24.4% |
| 2Q24 | 958 | -2.0% |
| 1Q24 | 960 | +20.7% |
| 4Q23 | 955 | +9.1% |
| 3Q23 | 876 | +16.2% |
| 2Q23 | 978 | -11.1% |
| 1Q23 | 795 | +16.2% |
| 4Q22 | 875 | +5.5% |
| 3Q22 | 754 | +13.4% |
| 2Q22 | 1,101 | +85.1% |
| 1Q22 | 684 | -3.8% |
| 4Q21 | 830 | +43.8% |
| 3Q21 | 665 | - |
| 2Q21 | 594 | - |
| 1Q21 | 711 | - |
| 4Q20 | 577 | - |