| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 602,463 | -2.9% |
| 3Q25 | 575,673 | -2.7% |
| 2Q25 | 566,740 | -2.2% |
| 1Q25 | 589,287 | +4.4% |
| 4Q24 | 620,544 | +23.2% |
| 3Q24 | 591,633 | +20.8% |
| 2Q24 | 579,447 | +16.9% |
| 1Q24 | 564,327 | +8.1% |
| 4Q23 | 503,801 | -14.7% |
| 3Q23 | 489,803 | -17.9% |
| 2Q23 | 495,830 | -16.0% |
| 1Q23 | 522,036 | -9.3% |
| 4Q22 | 590,943 | - |
| 3Q22 | 596,863 | - |
| 2Q22 | 590,605 | - |
| 1Q22 | 575,527 | - |