| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 3Q25 | 978 | -5.2% |
| 2Q25 | 1,005 | +0.6% |
| 1Q25 | 1,011 | +7.2% |
| 4Q24 | 1,087 | +9.7% |
| 3Q24 | 1,032 | +9.0% |
| 2Q24 | 999 | +7.4% |
| 1Q24 | 944 | +10.4% |
| 4Q23 | 991 | +11.7% |
| 3Q23 | 947 | +12.2% |
| 2Q23 | 930 | +8.7% |
| 1Q23 | 854 | +6.0% |
| 4Q22 | 887 | +8.3% |
| 3Q22 | 844 | +14.3% |
| 2Q22 | 856 | +12.1% |
| 1Q22 | 806 | +8.8% |
| 4Q21 | 819 | +7.9% |
| 3Q21 | 738 | - |
| 2Q21 | 764 | - |
| 1Q21 | 741 | - |
| 4Q20 | 759 | - |