| （単位：千円） | 売上原価 | 前年比（％） |
|---|---|---|
| 1Q26 | 401,373 | +4.2% |
| 4Q25 | 396,425 | -0.5% |
| 1Q25 | 385,168 | -5.2% |
| 4Q24 | 398,380 | -8.3% |
| 3Q24 | 377,470 | -8.6% |
| 2Q24 | 415,175 | 0.0% |
| 1Q24 | 406,218 | +3.2% |
| 4Q23 | 434,230 | +12.8% |
| 3Q23 | 412,910 | +7.9% |
| 2Q23 | 415,106 | +8.4% |
| 1Q23 | 393,678 | +11.4% |
| 4Q22 | 384,943 | -2.6% |
| 3Q22 | 382,578 | +5.7% |
| 2Q22 | 383,104 | +7.6% |
| 1Q22 | 353,374 | +0.1% |
| 4Q21 | 395,180 | +12.5% |
| 3Q21 | 362,108 | +8.6% |
| 2Q21 | 355,919 | -6.1% |
| 1Q21 | 353,114 | -10.1% |
| 4Q20 | 351,248 | -16.8% |
| 3Q20 | 333,312 | -20.3% |
| 2Q20 | 378,903 | -3.8% |
| 1Q20 | 392,808 | +12.4% |
| 4Q19 | 422,077 | +12.1% |
| 3Q19 | 418,022 | +10.5% |
| 2Q19 | 394,061 | -3.7% |
| 1Q19 | 349,321 | -5.8% |
| 4Q18 | 376,652 | -3.8% |
| 3Q18 | 378,184 | +1.2% |
| 2Q18 | 409,229 | +2.2% |
| 1Q18 | 370,762 | +3.1% |
| 4Q17 | 391,560 | - |
| 3Q17 | 373,823 | - |
| 2Q17 | 400,329 | - |
| 1Q17 | 359,528 | - |