Directors (And Other Officers)
| Concept | 
                                    
                                        As at 2024-05-29  | 
                            
                                
                                    
                                        As at 2024-05-29  | 
                            
                                
                                    
                                        As at 2024-05-29  | 
                            
                                
                                    
                                        As at 2024-05-29  | 
                            
                                
                                    
                                        As at 2024-05-29  | 
                            
                                
                                    
                                        As at 2024-05-29  | 
                            
                                
                                    
                                        As at 2024-05-29  | 
                            
                                
                                    
                                        As at 2024-05-29  | 
                            
                                
                                    
                                        As at 2024-05-29  | 
                            
                        
|---|---|---|---|---|---|---|---|---|---|
| Directors (and other officers) | |||||||||
| Information about directors (and corporate auditors) | |||||||||
| Official title or position | 
                                        
                                             
                                                取締役
(監査等委員)
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                代表取締役
会長
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                代表取締役
社長
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                取締役
サービス事業本部長
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                取締役
事業推進本部長
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                取締役
(監査等委員)
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                取締役
(監査等委員)
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                取締役
                                                
                                             
                                        
                                     | 
                                
                            
| Name | 
                                        
                                             
                                                山 下 徳 実
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                泉 澤   豊
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                泉 澤 摩利雄
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                坂 内 太 一
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                土 井 章 博
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                廣 島    武
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                仲 内 光 広
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                髙 橋 尚 人
                                                
                                             
                                        
                                     | 
                                
                            
| Date of birth | 
                                        
                                             
                                                1960-04-04
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1945-11-28
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1972-08-21
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1977-05-12
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                1968-09-30
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1963-05-17
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1979-08-04
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1956-10-05
                                                
                                             
                                        
                                     | 
                                
                            
| Career summary | — | ||||||||
| Term of office | 
                                        
                                             
                                                (注)5
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)4
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)4
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)4
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                (注)4
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)5
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)5
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)4
                                                
                                             
                                        
                                     | 
                                
                            
| Number of shares held (Ordinary shares) | 
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                725,800
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                217,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                100
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                944,400
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                400
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     |