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 | 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 | 
                                                内部通報件数
                                                
                                             | 
                                                障がい者雇用率
                                                
                                             | 
                                                研修センタでの安全研修受講者数(従業員・協力会社従業員共通)
                                                
                                             | 
                                                管理職に占める中途採用者の比率
                                                
                                             | 
                                                新卒採用者に占める女性割合
                                                
                                             | 
                                                従業員一人あたり研修時間
                                                
                                             | 
                                                従業員のエンゲージメントスコア
                                                
                                             | 
                                                管理職に占める女性労働者の割合
                                                
                                             | 
                                                男性労働者の育児休業取得率
                                                
                                             | 
| Metrics unit | 
                                                件
                                                
                                             | 
                                                %
                                                
                                             | 
                                                人
                                                
                                             | 
                                                %
                                                
                                             | 
                                                %
                                                
                                             | 
                                                時間
                                                
                                             | — | 
                                                %
                                                
                                             | 
                                                %
                                                
                                             | 
| Target period | — | — | 
                                                2026年3月
                                                
                                             | 
                                                2026年3月
                                                
                                             | — | — | — | 
                                                2026年3月
                                                
                                             | 
                                                2026年3月
                                                
                                             | 
| Targets | — | — | 
                                                1,450
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                30.0
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                20.0
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | — | 
                                                7.0
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                100.0
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
| Performance | 
                                                7
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                2.7
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                1,295
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                30.5
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                48.1
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                50.9
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                7.3
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                100
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             |