| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 861 | -13.1% |
| 3Q25 | 688 | -26.4% |
| 2Q25 | 867 | -4.1% |
| 1Q25 | 816 | +5.2% |
| 4Q24 | 991 | - |
| 3Q24 | 935 | +0.4% |
| 2Q24 | 904 | -7.2% |
| 1Q24 | 775 | -26.2% |
| 3Q23 | 931 | -19.7% |
| 2Q23 | 974 | -14.1% |
| 1Q23 | 1,051 | -4.0% |
| 3Q22 | 1,160 | +13.3% |
| 2Q22 | 1,135 | +2.2% |
| 1Q22 | 1,095 | -4.1% |
| 3Q21 | 1,024 | -10.3% |
| 2Q21 | 1,111 | +3.2% |
| 1Q21 | 1,141 | -14.0% |
| 3Q20 | 1,141 | -29.1% |
| 2Q20 | 1,076 | -39.8% |
| 1Q20 | 1,328 | -27.4% |
| 3Q19 | 1,611 | -20.8% |
| 2Q19 | 1,788 | -3.6% |
| 1Q19 | 1,828 | -11.3% |
| 3Q18 | 2,035 | -1.9% |
| 2Q18 | 1,854 | -9.1% |
| 1Q18 | 2,061 | -2.8% |
| 3Q17 | 2,074 | -16.7% |
| 2Q17 | 2,039 | -7.6% |
| 1Q17 | 2,119 | -17.8% |
| 3Q16 | 2,492 | - |
| 2Q16 | 2,208 | - |
| 1Q16 | 2,578 | - |