| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 570 | -10.4% |
| 3Q25 | 544 | -16.3% |
| 2Q25 | 541 | -20.4% |
| 1Q25 | 611 | -5.6% |
| 4Q24 | 636 | -14.0% |
| 3Q24 | 649 | -16.4% |
| 2Q24 | 680 | -19.5% |
| 1Q24 | 647 | -22.5% |
| 4Q23 | 740 | -28.2% |
| 3Q23 | 777 | -21.9% |
| 2Q23 | 844 | -37.0% |
| 1Q23 | 835 | -23.3% |
| 4Q22 | 1,031 | -18.1% |
| 3Q22 | 994 | -19.4% |
| 2Q22 | 1,340 | +17.3% |
| 1Q22 | 1,089 | -7.5% |
| 4Q21 | 1,259 | -5.4% |
| 3Q21 | 1,233 | -3.4% |
| 2Q21 | 1,143 | +4.6% |
| 1Q21 | 1,176 | +14.4% |
| 4Q20 | 1,331 | +97.9% |
| 3Q20 | 1,277 | +106.9% |
| 2Q20 | 1,093 | -520.7% |
| 1Q20 | 1,028 | +202.5% |
| 4Q19 | 672 | - |
| 3Q19 | 617 | - |
| 2Q19 | -260 | - |
| 1Q19 | 339 | - |