Issued Shares
| Concept | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 
|---|---|---|---|---|---|---|---|
| Issued shares | |||||||
| Issued shares | |||||||
| Number of shares | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                1,188,500
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                16,489,522
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                15,057,200
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                243,822
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Number of voting rights | 
                                                
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | 
                                                150,572
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                150,572
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | — | — | 
| Description |  |  | — |  | 
                                                1単元(100株)未満の株式
                                                
                                             |  |  |