| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q25 | 821 | -18.3% |
| 3Q25 | 638 | -12.7% |
| 2Q25 | 686 | -17.6% |
| 1Q25 | 753 | -0.8% |
| 4Q24 | 1,005 | +13.3% |
| 3Q24 | 731 | -9.4% |
| 2Q24 | 832 | +0.6% |
| 1Q24 | 760 | +2.3% |
| 4Q23 | 887 | +1.0% |
| 3Q23 | 807 | -3.3% |
| 2Q23 | 827 | -4.2% |
| 1Q23 | 742 | -12.5% |
| 4Q22 | 878 | -14.6% |
| 3Q22 | 835 | -1.1% |
| 2Q22 | 864 | +7.2% |
| 1Q22 | 848 | -15.9% |
| 4Q21 | 1,027 | +6.1% |
| 3Q21 | 845 | +3.5% |
| 2Q21 | 806 | +14.1% |
| 1Q21 | 1,009 | +16.5% |
| 4Q20 | 968 | -7.2% |
| 3Q20 | 816 | -7.2% |
| 2Q20 | 706 | -30.1% |
| 1Q20 | 866 | -6.4% |
| 4Q19 | 1,043 | +0.9% |
| 3Q19 | 880 | +3.0% |
| 2Q19 | 1,011 | +3.3% |
| 1Q19 | 926 | -15.2% |
| 4Q18 | 1,034 | -2.1% |
| 3Q18 | 854 | -8.3% |
| 2Q18 | 979 | -3.6% |
| 1Q18 | 1,091 | -3.6% |
| 4Q17 | 1,056 | +1.3% |
| 3Q17 | 932 | -14.4% |
| 2Q17 | 1,015 | -2.7% |
| 1Q17 | 1,131 | +5.2% |
| 4Q16 | 1,043 | -14.5% |
| 3Q16 | 1,088 | - |
| 2Q16 | 1,044 | - |
| 1Q16 | 1,075 | - |
| 4Q15 | 1,220 | - |