Employees
| Concept | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 
|---|---|---|---|---|
| Employees | ||||
| Metrics related to human capital diversity | ||||
| Metrics of consolidated subsidiaries | ||||
| Consolidated subsidiaries | 
                                                ヒューマンアカデミー㈱
                                                
                                             | 
                                                ヒューマンライフケア㈱
                                                
                                             | 
                                                ヒューマンリソシア㈱
                                                
                                             | 
                                                ヒューマンスターチャイルド㈱
                                                
                                             | 
| Ratio of female employees in managerial positions | 
                                                0.210
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.400
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.261
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.839
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
| Ratio of male employees taking childcare leave | ||||
| All employees | 
                                                0.200
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.600
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.353
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.333
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
| Differences in wages between male and female employees | ||||
| All employees | 
                                                0.711
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.883
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.713
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.656
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
| Regular employees | 
                                                0.807
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.870
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.681
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.907
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
| Non-regular employees | 
                                                0.888
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                1.254
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.838
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.883
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             |