Shareholdings
| Concept | 2024-03-01 to 2025-02-28 | As at 2025-02-28 | 
|---|---|---|
| Shareholdings | ||
| Reporting company | ||
| Investment shares held for purposes other than pure investment | ||
| Shares not listed | ||
| Number of issues | — | 
                                                1
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
| Carrying amount | — | 
                                                94,811,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Number of issues whose number of shares increased | 
                                                1
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | 
| Total acquisition cost for increased shares | 
                                                1,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Reason for increase in number of shares | 
                                                第三者割当
                                                
                                             | — | 
| Number of issues whose number of shares decreased | 
                                                
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | 
| Total sale amount for decreased shares | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Shares other than those not listed | ||
| Number of issues | — | 
                                                5
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
| Carrying amount | — | 
                                                80,762,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Number of issues whose number of shares increased | 
                                                3
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | 
| Total acquisition cost for increased shares | 
                                                1,374,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Reason for increase in number of shares | 
                                                取引先持株会による定期買付
                                                
                                             | — | 
| Number of issues whose number of shares decreased | 
                                                
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | 
| Total sale amount for decreased shares | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — |