Schedule of Activity for Non-Vested Stock Options (Details) |
6 Months Ended |
|---|---|
|
Sep. 30, 2025
¥ / shares
shares
| |
| Share-Based Payment Arrangement [Abstract] | |
| Number of options, non-vested, beginning balance | shares | 226,800 |
| Weighted-average grant-date fair value per option, beginning balance | ¥ / shares | ¥ 72.2 |
| Options, vested | shares | (226,800) |
| Weighted-average grant-date fair value per option, vested | ¥ / shares | ¥ 72.2 |
| Number of options, non-vested, ending balance | shares | |
| Weighted-average grant-date fair value per option, ending balance | ¥ / shares |