| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 845 | -0.9% |
| 4Q25 | 869 | +3.6% |
| 3Q25 | 859 | -4.9% |
| 2Q25 | 814 | -10.5% |
| 1Q25 | 853 | -4.6% |
| 4Q24 | 839 | -13.4% |
| 3Q24 | 903 | -15.4% |
| 2Q24 | 910 | -57.3% |
| 1Q24 | 894 | -40.1% |
| 4Q23 | 969 | -50.3% |
| 3Q23 | 1,067 | -55.1% |
| 2Q23 | 2,132 | -19.3% |
| 1Q23 | 1,492 | -28.1% |
| 4Q22 | 1,950 | -15.6% |
| 3Q22 | 2,379 | +8.4% |
| 2Q22 | 2,642 | +44.2% |
| 1Q22 | 2,076 | +11.9% |
| 4Q21 | 2,311 | +14.3% |
| 3Q21 | 2,195 | +7.7% |
| 2Q21 | 1,832 | +2.5% |
| 1Q21 | 1,855 | +2.6% |
| 4Q20 | 2,021 | +5.4% |
| 3Q20 | 2,038 | +4.1% |
| 2Q20 | 1,787 | -4.8% |
| 1Q20 | 1,808 | +2.4% |
| 4Q19 | 1,917 | +2.2% |
| 3Q19 | 1,958 | -0.1% |
| 2Q19 | 1,878 | +13.8% |
| 1Q19 | 1,765 | +19.5% |
| 4Q18 | 1,875 | +12.2% |
| 3Q18 | 1,959 | +17.2% |
| 2Q18 | 1,649 | +35.1% |
| 1Q18 | 1,476 | +33.6% |
| 4Q17 | 1,671 | +60.9% |
| 3Q17 | 1,671 | +69.3% |
| 2Q17 | 1,221 | +48.0% |
| 1Q17 | 1,105 | +44.8% |
| 4Q16 | 1,038 | - |
| 3Q16 | 987 | - |
| 2Q16 | 825 | - |
| 1Q16 | 763 | - |