Directors (And Other Officers)
| Concept | 
                                    
                                        As at 2024-12-02  | 
                            
                                
                                    
                                        As at 2024-12-02  | 
                            
                                
                                    
                                        As at 2024-12-02  | 
                            
                                
                                    
                                        As at 2024-12-02  | 
                            
                                
                                    
                                        As at 2024-12-02  | 
                            
                                
                                    
                                        As at 2024-12-02  | 
                            
                                
                                    
                                        As at 2024-12-02  | 
                            
                                
                                    
                                        As at 2024-12-02  | 
                            
                                
                                    
                                        As at 2024-12-02  | 
                            
                        
|---|---|---|---|---|---|---|---|---|---|
| Directors (and other officers) | |||||||||
| Information about directors (and corporate auditors) | |||||||||
| Official title or position | 
                                        
                                             
                                                取締役(監査等委員)
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                 代表取締役社長
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                取締役(監査等委員)
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                取締役常務執行役員管理本部長兼人事部長
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                取締役(監査等委員)
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                取締役常務執行役員商品本部長
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                取締役(監査等委員)
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                代表取締役会長
                                                
                                             
                                        
                                     | 
                                
                            
| Name | 
                                        
                                             
                                                西 名  孝
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                江  尻  英  介
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                金 子 基 宏
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                佐 藤 成 展
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                鈴 木 芳 郎
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                大 内 典 子
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                國  井  達  夫
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                江  尻  義  久
                                                
                                             
                                        
                                     | 
                                
                            
| Date of birth | 
                                        
                                             
                                                1951-12-30
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                1976-01-24
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1958-09-05
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1975-07-10
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1958-01-28
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1963-11-02
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1958-08-28
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1946-09-02
                                                
                                             
                                        
                                     | 
                                
                            
| Career summary | — | ||||||||
| Term of office | 
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                (注)2
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)2
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)2
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)2
                                                
                                             
                                        
                                     | 
                                
                            
| Number of shares held (Ordinary shares) | 
                                        
                                             
                                                1,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1,676,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                826,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                17,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                830,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     |