| （単位：千円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 336,746 | -2.8% |
| 4Q25 | 337,126 | +0.7% |
| 3Q25 | 319,624 | -2.8% |
| 2Q25 | 343,253 | -0.3% |
| 1Q25 | 346,545 | +0.6% |
| 4Q24 | 334,625 | -2.3% |
| 3Q24 | 328,675 | +1.3% |
| 2Q24 | 344,390 | +0.2% |
| 1Q24 | 344,339 | +3.9% |
| 4Q23 | 342,341 | +4.1% |
| 3Q23 | 324,304 | +3.2% |
| 2Q23 | 343,727 | +2.9% |
| 1Q23 | 331,399 | +1.3% |
| 4Q22 | 328,909 | -4.0% |
| 3Q22 | 314,200 | -5.6% |
| 2Q22 | 333,993 | -4.2% |
| 1Q22 | 327,183 | -3.7% |
| 4Q21 | 342,704 | +38.1% |
| 3Q21 | 332,915 | -0.0% |
| 2Q21 | 348,751 | -2.8% |
| 1Q21 | 339,895 | -3.3% |
| 4Q20 | 248,164 | -30.7% |
| 3Q20 | 332,967 | -1.9% |
| 2Q20 | 358,965 | +0.4% |
| 1Q20 | 351,424 | +1.5% |
| 4Q19 | 357,887 | +2.3% |
| 3Q19 | 339,581 | -2.1% |
| 2Q19 | 357,528 | -6.2% |
| 1Q19 | 346,098 | -7.2% |
| 4Q18 | 349,705 | -0.9% |
| 3Q18 | 346,758 | -0.1% |
| 2Q18 | 381,111 | +9.3% |
| 1Q18 | 373,053 | +7.8% |
| 4Q17 | 352,944 | +3.9% |
| 3Q17 | 347,246 | +11.5% |
| 2Q17 | 348,739 | +9.1% |
| 1Q17 | 346,044 | +11.2% |
| 4Q16 | 339,677 | - |
| 3Q16 | 311,373 | - |
| 2Q16 | 319,634 | - |
| 1Q16 | 311,160 | - |