| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 1,142 | -9.8% |
| 3Q25 | 1,079 | -36.2% |
| 2Q25 | 942 | -34.5% |
| 1Q25 | 1,009 | -1.3% |
| 4Q24 | 1,266 | -2.2% |
| 3Q24 | 1,693 | +39.3% |
| 2Q24 | 1,439 | +10.6% |
| 1Q24 | 1,023 | -22.5% |
| 4Q23 | 1,295 | -7.2% |
| 3Q23 | 1,215 | -44.5% |
| 2Q23 | 1,302 | -19.6% |
| 1Q23 | 1,320 | -15.6% |
| 4Q22 | 1,396 | -29.1% |
| 3Q22 | 2,190 | -9.4% |
| 2Q22 | 1,620 | -4.1% |
| 1Q22 | 1,564 | +33.3% |
| 4Q21 | 1,968 | -5.1% |
| 3Q21 | 2,417 | +100.2% |
| 2Q21 | 1,689 | +81.0% |
| 1Q21 | 1,173 | +60.2% |
| 4Q20 | 2,073 | +186.5% |
| 3Q20 | 1,207 | +28.4% |
| 2Q20 | 933 | +14.7% |
| 1Q20 | 732 | +14.2% |
| 4Q19 | 723 | - |
| 3Q19 | 940 | - |
| 2Q19 | 814 | - |
| 1Q19 | 641 | - |