| （単位：千円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 587,464 | -6.2% |
| 4Q25 | 674,324 | +10.9% |
| 3Q25 | 590,100 | +0.2% |
| 2Q25 | 620,589 | -5.2% |
| 1Q25 | 626,467 | +7.0% |
| 4Q24 | 608,313 | +1.2% |
| 3Q24 | 589,008 | +1.1% |
| 2Q24 | 654,951 | +1.9% |
| 1Q24 | 585,297 | -6.8% |
| 4Q23 | 601,197 | -12.6% |
| 3Q23 | 582,785 | -19.2% |
| 2Q23 | 642,608 | +5.0% |
| 1Q23 | 627,976 | +17.6% |
| 4Q22 | 687,646 | +11.3% |
| 3Q22 | 721,571 | +24.4% |
| 2Q22 | 612,149 | +12.0% |
| 1Q22 | 533,903 | -4.6% |
| 4Q21 | 617,843 | +30.9% |
| 3Q21 | 579,970 | +23.6% |
| 2Q21 | 546,723 | +0.9% |
| 1Q21 | 559,815 | -3.1% |
| 4Q20 | 472,026 | -18.8% |
| 3Q20 | 469,286 | -17.4% |
| 2Q20 | 541,798 | -7.6% |
| 1Q20 | 578,006 | -6.1% |
| 4Q19 | 581,235 | -11.9% |
| 3Q19 | 567,860 | -4.3% |
| 2Q19 | 586,526 | +4.5% |
| 1Q19 | 615,347 | -0.5% |
| 4Q18 | 659,775 | +7.3% |
| 3Q18 | 593,608 | +0.6% |
| 2Q18 | 561,374 | -2.0% |
| 1Q18 | 618,668 | +2.7% |
| 4Q17 | 615,030 | +8.2% |
| 3Q17 | 590,109 | +14.9% |
| 2Q17 | 573,116 | +7.2% |
| 1Q17 | 602,131 | +12.8% |
| 4Q16 | 568,449 | - |
| 3Q16 | 513,723 | - |
| 2Q16 | 534,709 | - |
| 1Q16 | 534,033 | - |