| （単位：十億円） | 4Q12 | 4Q13 | 4Q14 | 4Q15 | 1Q16 | 2Q16 | 3Q16 | 4Q16 | 1Q17 | 2Q17 | 3Q17 | 4Q17 | 1Q18 | 2Q18 | 3Q18 | 4Q18 | 1Q19 | 2Q19 | 3Q19 | 4Q19 | 1Q20 | 2Q20 | 3Q20 | 4Q20 | 1Q21 | 2Q21 | 3Q21 | 4Q21 | 1Q22 | 2Q22 | 3Q22 | 4Q22 | 1Q23 | 2Q23 | 3Q23 | 4Q23 | 1Q24 | 2Q24 | 3Q24 | 4Q24 | 4Q25 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 現金同等物 | 235 | 445 | 605 | 727 | 703 | 628 | 613 | 601 | 610 | 650 | 644 | 876 | 795 | 683 | 652 | 768 | 724 | 601 | 650 | 655 | 702 | 628 | 458 | 396 | 386 | 458 | 495 | 395 | 431 | 433 | 425 | 486 | 538 | 447 | 318 | 269 | 250 | 322 | 243 | 180 | 172 |
| 有価証券 | - | - | - | 237 | - | - | - | 224 | - | - | - | 264 | - | - | - | 195 | - | - | - | 201 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 流動資産合計 | - | - | - | 424 | - | - | - | 293 | - | - | - | 427 | - | - | - | 344 | - | - | - | 321 | - | - | - | 533 | - | - | - | 408 | - | - | - | 370 | - | - | - | 319 | - | - | - | 570 | 704 |
| 有形固定資産 | - | - | - | 0 | - | - | - | 0 | - | - | - | 0 | - | - | - | 0 | - | - | - | 0 | - | - | - | 0 | - | - | - | 0 | - | - | - | 0 | - | - | - | 0 | - | - | - | 0 | 0 |
| 投資有価証券 | - | - | - | 27 | - | - | - | 9 | - | - | - | 28 | - | - | - | 44 | - | - | - | 58 | - | - | - | 47 | - | - | - | 63 | - | - | - | 56 | - | - | - | 43 | - | - | - | 55 | 45 |
| 固定資産合計 | - | - | - | 1,592 | - | - | - | 1,585 | - | - | - | 1,541 | - | - | - | 1,517 | - | - | - | 1,387 | - | - | - | 1,320 | - | - | - | 1,334 | - | - | - | 1,326 | - | - | - | 1,316 | - | - | - | 1,326 | 1,321 |
| 総資産 | 2,740 | 3,060 | 3,227 | 3,557 | 3,577 | 3,422 | 3,469 | 3,364 | 3,174 | 3,175 | 3,333 | 3,533 | 3,647 | 3,571 | 3,531 | 3,493 | 3,508 | 3,399 | 3,413 | 3,415 | 3,448 | 3,481 | 3,451 | 3,322 | 3,282 | 3,308 | 3,370 | 3,549 | 3,621 | 3,659 | 3,726 | 3,955 | 4,247 | 4,287 | 4,149 | 4,134 | 4,375 | 4,527 | 4,549 | 4,783 | 5,250 |
| 短期借入金 | - | - | - | 165 | - | - | - | 160 | - | - | - | 56 | - | - | - | 59 | - | - | - | 117 | - | - | - | 60 | - | - | - | - | - | - | - | 22 | - | - | - | 65 | - | - | - | 453 | 326 |
| 一年内返済予定の長期借入金 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 25 | - | - | - | 30 | - | - | - | 45 | - | - | - | - | - | - | - | 30 | - | - | - | 47 | - | - | - | - | - |
| 流動負債合計 | - | - | - | 169 | - | - | - | 162 | - | - | - | 165 | - | - | - | 91 | - | - | - | 279 | - | - | - | 124 | - | - | - | 66 | - | - | - | 221 | - | - | - | 169 | - | - | - | 548 | 458 |
| 長期借入金 | - | - | - | 130 | - | - | - | 130 | - | - | - | 202 | - | - | - | 177 | - | - | - | 147 | - | - | - | 102 | - | - | - | 102 | - | - | - | 72 | - | - | - | 25 | - | - | - | 25 | 175 |
| 固定負債合計 | - | - | - | 300 | - | - | - | 300 | - | - | - | 422 | - | - | - | 397 | - | - | - | 337 | - | - | - | 477 | - | - | - | 422 | - | - | - | 232 | - | - | - | 260 | - | - | - | 181 | 465 |
| 総負債 | - | - | - | 469 | - | - | - | 463 | - | - | - | 588 | - | - | - | 488 | - | - | - | 617 | - | - | - | 601 | - | - | - | 489 | - | - | - | 453 | - | - | - | 429 | - | - | - | 729 | 923 |
| 資本金及び資本剰余金 | - | - | - | 104 | - | - | - | 104 | - | - | - | 104 | - | - | - | 104 | - | - | - | 104 | - | - | - | 104 | - | - | - | 104 | - | - | - | 104 | - | - | - | 104 | - | - | - | 105 | 107 |
| 利益剰余金 | - | - | - | 1,534 | - | - | - | 1,554 | - | - | - | 1,558 | - | - | - | 1,589 | - | - | - | 1,407 | - | - | - | 1,625 | - | - | - | 1,613 | - | - | - | 1,603 | - | - | - | 1,147 | - | - | - | 1,098 | 1,035 |
| 株主資本 | 1,856 | 2,025 | 2,198 | 2,467 | 2,492 | 2,388 | 2,395 | 2,284 | 2,183 | 2,157 | 2,299 | 2,268 | 2,340 | 2,371 | 2,405 | 2,299 | 2,337 | 2,286 | 2,242 | 2,245 | 2,228 | 2,246 | 2,095 | 1,994 | 2,031 | 2,058 | 2,124 | 2,222 | 2,287 | 2,309 | 2,402 | 2,525 | 2,680 | 2,750 | 2,719 | 2,788 | 2,908 | 2,978 | 2,975 | 3,173 | 3,353 |