| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 2Q26 | 490 | -3.6% |
| 1Q26 | 486 | -6.1% |
| 4Q25 | 498 | -18.1% |
| 3Q25 | 562 | -8.5% |
| 2Q25 | 509 | -28.7% |
| 1Q25 | 518 | -20.4% |
| 4Q24 | 609 | -6.1% |
| 3Q24 | 615 | -12.6% |
| 2Q24 | 714 | +9.6% |
| 1Q24 | 651 | -2.5% |
| 4Q23 | 648 | +7.1% |
| 3Q23 | 704 | -2.8% |
| 2Q23 | 651 | +2.6% |
| 1Q23 | 667 | +8.4% |
| 4Q22 | 605 | -16.2% |
| 3Q22 | 724 | -11.8% |
| 2Q22 | 635 | -3.5% |
| 1Q22 | 615 | +2.1% |
| 4Q21 | 723 | -16.0% |
| 3Q21 | 821 | -19.8% |
| 2Q21 | 658 | -30.4% |
| 1Q21 | 603 | -40.8% |
| 4Q20 | 861 | -43.3% |
| 3Q20 | 1,024 | -19.3% |
| 2Q20 | 946 | -14.0% |
| 1Q20 | 1,019 | -13.1% |
| 4Q19 | 1,520 | +19.9% |
| 3Q19 | 1,268 | -12.0% |
| 2Q19 | 1,100 | -22.3% |
| 1Q19 | 1,173 | +2.3% |
| 4Q18 | 1,267 | -5.3% |
| 3Q18 | 1,441 | +0.2% |
| 2Q18 | 1,416 | +21.1% |
| 1Q18 | 1,146 | +0.3% |
| 4Q17 | 1,338 | -1.9% |
| 3Q17 | 1,438 | -2.5% |
| 2Q17 | 1,169 | - |
| 1Q17 | 1,142 | - |
| 4Q16 | 1,364 | - |
| 3Q16 | 1,474 | - |