Issued Shares
| Concept | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Issued shares | ||||||||||
| Issued shares | ||||||||||
| Number of shares | 
                                                5,300
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                14,404,400
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                69,200
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                14,329,900
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | — | — | — | 
| Number of voting rights | — | 
                                                
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | 
                                                143,299
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | 
                                                143,299
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | — | — | — | 
| Description | — |  |  | — | — | — |  | 
                                                1単元(100株)未満の株式
                                                
                                             |  |  |