Other gain (loss) (Details) |
12 Months Ended |
|---|---|
|
Mar. 31, 2026
HKD ($)
exhibition
| |
| Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] | |
| Number of cooperative exhibitions (in exhibition) | exhibition | 5 |
| Gross exhibition costs | $ 21,542,500 |
| Exhibition costs receivable | 13,536,447 |
| Accumulated impairment loss | $ 7,509,978 |