Directors (And Other Officers)
| Concept | 
                                    
                                        As at 2025-03-27  | 
                            
                                
                                    
                                        As at 2025-03-27  | 
                            
                                
                                    
                                        As at 2025-03-27  | 
                            
                                
                                    
                                        As at 2025-03-27  | 
                            
                                
                                    
                                        As at 2025-03-27  | 
                            
                                
                                    
                                        As at 2025-03-27  | 
                            
                                
                                    
                                        As at 2025-03-27  | 
                            
                                
                                    
                                        As at 2025-03-27  | 
                            
                                
                                    
                                        As at 2025-03-27  | 
                            
                        
|---|---|---|---|---|---|---|---|---|---|
| Directors (and other officers) | |||||||||
| Information about directors (and corporate auditors) | |||||||||
| Official title or position | 
                                        
                                             
                                                取締役(非常勤)報酬委員
                                                
                                             
                                        
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                                                取締役(非常勤)指名委員
                                                
                                             
                                        
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                                                取締役(非常勤)指名委員報酬委員
                                                
                                             
                                        
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                                                取締役(非常勤)指名委員監査委員
                                                
                                             
                                        
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                                                取締役
                                                
                                             
                                        
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                                                取締役
                                                
                                             
                                        
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                                                取締役(非常勤)監査委員
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                取締役(非常勤)監査委員報酬委員
                                                
                                             
                                        
                                     | 
                                
                            
| Name | 
                                        
                                             
                                                謝永達
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                蔡篤恭
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                岩間 耕二
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                森 直樹
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                横山 毅
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                黒木 陽一
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                沈俊宏
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                河野 通有
                                                
                                             
                                        
                                     | 
                                
                            
| Date of birth | 
                                        
                                             
                                                1957-12-05
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1950-11-30
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1951-07-28
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1971-06-28
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1966-11-19
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1970-08-06
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1966-02-16
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                1957-06-28
                                                
                                             
                                        
                                     | 
                                
                            
| Career summary | — | ||||||||
| Term of office | 
                                        
                                             
                                                (注)2
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)2
                                                
                                             
                                        
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                                                (注)2
                                                
                                             
                                        
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                                                (注)2
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)2
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)2
                                                
                                             
                                        
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                                                (注)2
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                (注)2
                                                
                                             
                                        
                                     | 
                                
                            
| Number of shares held (Ordinary shares) | 
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
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                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                900
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                400
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1,300
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     |