Issued Shares
| Concept | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 
|---|---|---|---|---|---|---|---|
| Issued shares | |||||||
| Issued shares | |||||||
| Number of shares | 
                                                7,300
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                13,140,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                13,233,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                85,700
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Number of voting rights | — | 
                                                
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | 
                                                131,400
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | 
                                                131,400
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | 
| Description | 
                                                一単元(100株)未満の株式
                                                
                                             |  |  | 
                                                同上
                                                
                                             |  | — | 
                                                権利内容に何ら限定のない当社における標準となる株式
                                                
                                             |