Directors (And Other Officers)
| Concept | 
                                    
                                        As at 2024-04-25  | 
                            
                                
                                    
                                        As at 2024-04-25  | 
                            
                                
                                    
                                        As at 2024-04-25  | 
                            
                                
                                    
                                        As at 2024-04-25  | 
                            
                                
                                    
                                        As at 2024-04-25  | 
                            
                                
                                    
                                        As at 2024-04-25  | 
                            
                                
                                    
                                        As at 2024-04-25  | 
                            
                                
                                    
                                        As at 2024-04-25  | 
                            
                                
                                    
                                        As at 2024-04-25  | 
                            
                                
                                    
                                        As at 2024-04-25  | 
                            
                                
                                    
                                        As at 2024-04-25  | 
                            
                        
|---|---|---|---|---|---|---|---|---|---|---|---|
| Directors (and other officers) | |||||||||||
| Information about directors (and corporate auditors) | |||||||||||
| Official title or position | 
                                        
                                             
                                                取締役
経営管理担当
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                取締役
会長
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                取締役
デザイン・制作担当
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                社外取締役
監査等委員
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                代表取締役
社長
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                社外取締役
監査等委員
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                取締役
常勤監査等委員
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                社外取締役
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                取締役
営業・マーケティング担当
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                社外取締役
監査等委員
                                                
                                             
                                        
                                     | 
                                
                            
| Name | 
                                        
                                             
                                                津 久 井 哲 雄
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                高  橋  貴  志
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                森  永  倫  夫
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                吉  井  清  信
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                小  林      統
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                保坂  理枝
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                戸  髙  久  幸
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                板  谷  敏  正
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                深  谷      徹
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                槇 原 耕 太 郎
                                                
                                             
                                        
                                     | 
                                
                            
| Date of birth | 
                                        
                                             
                                                1966-12-27
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1955-09-09
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1963-04-09
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1965-06-01
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1959-06-19
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1981-07-07
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1957-11-24
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                1963-04-24
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1964-05-13
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1961-10-01
                                                
                                             
                                        
                                     | 
                                
                            
| Career summary | — | ||||||||||
| Term of office | 
                                        
                                             
                                                (注)2
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)2
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)2
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)2
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)4
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                (注)2
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)2
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                            
| Number of shares held (Ordinary shares) | 
                                        
                                             
                                                4,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                170,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                15,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                6,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                34,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                37,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                271,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                3,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                2,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     |