Disclosure Of Sustainability-Related Financial Information
| 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  | 
                            
                        
|---|---|---|---|---|---|---|
| Disclosure of Sustainability-related Financial Information | ||||||
| Description of metrics related to policy on development of human resources and internal environment, and targets and performance using such metrics | ||||||
| Metrics | 
                                        
                                             
                                                社内提案制度の応募件数
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                労働者に占める女性労働者の割合
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                有給取得率
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                教育支援の支出金
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                健康診断2次健診受診率
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                採用した労働者に占める女性労働者の割合※
                                                
                                             
                                        
                                     | 
                                
                            
| Metrics unit | 
                                        
                                             
                                                件
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                %
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                %
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                万円
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                %
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                %
                                                
                                             
                                        
                                     | 
                                
                            
| Target period | 
                                        
                                             
                                                2030年
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                2030年
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                2030年
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                2030年
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                2030年
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                2030年
                                                
                                             
                                        
                                     | 
                                
                            
| Targets | 
                                        
                                             
                                                500
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                20.0
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                80.0
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                600
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                70.0
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                50.0
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                            
| Performance | 
                                        
                                             
                                                380
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                9.2
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                68.6
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                630
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                55.8
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                7.7
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     |