| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 574 | -27.3% |
| 3Q25 | 599 | -24.9% |
| 2Q25 | 637 | -26.5% |
| 1Q25 | 681 | -18.1% |
| 4Q24 | 790 | -10.8% |
| 3Q24 | 798 | -17.4% |
| 2Q24 | 866 | -17.5% |
| 1Q24 | 832 | -15.3% |
| 4Q23 | 885 | -2.8% |
| 3Q23 | 966 | +3.2% |
| 2Q23 | 1,050 | +9.9% |
| 1Q23 | 983 | +1.7% |
| 4Q22 | 911 | +1.5% |
| 3Q22 | 936 | +16.7% |
| 2Q22 | 955 | +24.9% |
| 1Q22 | 966 | +4.9% |
| 4Q21 | 898 | -5.7% |
| 3Q21 | 802 | -4.9% |
| 2Q21 | 765 | -17.4% |
| 1Q21 | 920 | -9.2% |
| 4Q20 | 953 | -13.1% |
| 3Q20 | 844 | -23.9% |
| 2Q20 | 926 | -18.1% |
| 1Q20 | 1,014 | -23.2% |
| 4Q19 | 1,096 | -14.5% |
| 3Q19 | 1,109 | -11.3% |
| 2Q19 | 1,131 | -16.7% |
| 1Q19 | 1,320 | -4.3% |
| 4Q18 | 1,282 | -9.7% |
| 3Q18 | 1,251 | +33.9% |
| 2Q18 | 1,358 | +52.2% |
| 1Q18 | 1,378 | +48.2% |
| 4Q17 | 1,421 | +36.0% |
| 3Q17 | 934 | -12.1% |
| 2Q17 | 892 | -15.6% |
| 1Q17 | 930 | -17.5% |
| 4Q16 | 1,045 | -18.3% |
| 3Q16 | 1,063 | - |
| 2Q16 | 1,056 | - |
| 1Q16 | 1,128 | - |
| 4Q15 | 1,278 | - |