Directors (And Other Officers)
| Concept | 
                                    
                                        As at 2025-03-26  | 
                            
                                
                                    
                                        As at 2025-03-26  | 
                            
                                
                                    
                                        As at 2025-03-26  | 
                            
                                
                                    
                                        As at 2025-03-26  | 
                            
                                
                                    
                                        As at 2025-03-26  | 
                            
                                
                                    
                                        As at 2025-03-26  | 
                            
                                
                                    
                                        As at 2025-03-26  | 
                            
                                
                                    
                                        As at 2025-03-26  | 
                            
                                
                                    
                                        As at 2025-03-26  | 
                            
                                
                                    
                                        As at 2025-03-26  | 
                            
                                
                                    
                                        As at 2025-03-26  | 
                            
                        
|---|---|---|---|---|---|---|---|---|---|---|---|
| Directors (and other officers) | |||||||||||
| Information about directors (and corporate auditors) | |||||||||||
| Official title or position | 
                                        
                                             
                                                取締役(監査等委員)
                                                
                                             
                                        
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                                                代表取締役社長CEO
                                                
                                             
                                        
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                                                取締役
                                                
                                             
                                        
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                                                取締役(監査等委員)
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                取締役(監査等委員)
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                取締役
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                専務取締役CFO
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                専務取締役
                                                
                                             
                                        
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                                                専務取締役
                                                
                                             
                                        
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                                                取締役
                                                
                                             
                                        
                                     | 
                                
                            
| Name | 
                                        
                                             
                                                粟井 佐知子
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                田中 秀夫
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                室谷 泰蔵
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                田名網 尚
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                染川 博行
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                山下 晴康
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                後藤 英夫
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                鈴木 俊也
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                金子 幸司
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                関山 護
                                                
                                             
                                        
                                     | 
                                
                            
| Date of birth | 
                                        
                                             
                                                1957-05-21
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1950-02-07
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1976-07-04
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1954-09-11
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1958-07-29
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1967-01-03
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1963-05-30
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                1964-11-09
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1965-10-23
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1949-08-14
                                                
                                             
                                        
                                     | 
                                
                            
| Career summary | — | ||||||||||
| Term of office | 
                                        
                                             
                                                (注)4
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)4
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)4
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                            
| Number of shares held (Ordinary shares) | 
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                5,057,149
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                14,200
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                17,440
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                5,302,352
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                112,144
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                101,419
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     |