Issued Shares
| Concept | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|
| Issued shares | |||||||||||
| Issued shares | |||||||||||
| Number of shares | 
                                                437,143,500
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                509,300
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | — | 
                                                30,600
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                586,400
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | — | 
                                                436,017,200
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Number of voting rights | 
                                                4,360,172
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                4,360,172
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
| Description | — |  | — | 
                                                完全議決権株式であり、かつ、権利内容に何ら限定のない当社の標準となる株式であり、単元株式数は100株です。
                                                
                                             | — |  | — |  |  |  | — |