Directors (And Other Officers)
| Concept | 
                                    
                                        As at 2025-07-04  | 
                            
                                
                                    
                                        As at 2025-07-04  | 
                            
                                
                                    
                                        As at 2025-07-04  | 
                            
                                
                                    
                                        As at 2025-07-04  | 
                            
                                
                                    
                                        As at 2025-07-04  | 
                            
                                
                                    
                                        As at 2025-07-04  | 
                            
                                
                                    
                                        As at 2025-07-04  | 
                            
                                
                                    
                                        As at 2025-07-04  | 
                            
                                
                                    
                                        As at 2025-07-04  | 
                            
                        
|---|---|---|---|---|---|---|---|---|---|
| Directors (and other officers) | |||||||||
| Information about directors (and corporate auditors) | |||||||||
| Official title or position | 
                                        
                                             
                                                取締役
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                取締役
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                常勤監査役
                                                
                                             
                                        
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                                                非常勤監査役
                                                
                                             
                                        
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                                                非常勤監査役
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                社外取締役
                                                
                                             
                                        
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                                                社外取締役
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                代表取締役社長
                                                
                                             
                                        
                                     | 
                                
                                    — | 
| Name | 
                                        
                                             
                                                神取 弘太
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                関 鉄平
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                大谷 美文
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                德本 尚子(戸籍上の氏名:髙嶋 尚子)
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                檜田 和毅
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                深田 啓介
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                前田 信敏
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                德重 徹
                                                
                                             
                                        
                                     | 
                                
                                    — | 
| Date of birth | 
                                        
                                             
                                                1987-01-12
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1989-11-07
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1958-11-15
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1986-04-30
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1984-08-28
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1978-07-11
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1974-10-29
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1970-01-23
                                                
                                             
                                        
                                     | 
                                
                                    — | 
| Career summary | — | ||||||||
| Term of office | 
                                        
                                             
                                                2(注3)
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                2(注3)
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                4(注4)
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                4(注4)
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                4(注4)
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                2(注3)
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                2(注3)
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                2(注3)
                                                
                                             
                                        
                                     | 
                                
                                    — | 
| Number of shares held (Ordinary shares) | 
                                        
                                             
                                                96,400
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                29,700
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                12,900
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                5,190,900
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                5,329,900
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     |