Major Shareholders
| Concept | As at 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | 
|---|---|---|---|---|---|---|---|---|---|---|---|
| Major shareholders | |||||||||||
| Major shareholders | |||||||||||
| Name | 
                                                鶴田 亮司
                                                
                                             | — | 
                                                加藤 香菜実
                                                
                                             | 
                                                隈元 昌樹 
                                                
                                             | 
                                                河田 敏秀
                                                
                                             | 
                                                江川 麗子
                                                
                                             | 
                                                浅野 利広
                                                
                                             | 
                                                アクセスアジア株式会社
                                                
                                             | 
                                                黄 俊利
                                                
                                             | 
                                                中原証券株式会社
                                                
                                             | 
                                                江川 源
                                                
                                             | 
| Address | 
                                                東京都大田区
                                                
                                             | — | 
                                                大阪府大阪市
                                                
                                             | 
                                                東京都目黒区
                                                
                                             | 
                                                東京都文京区
                                                
                                             | 
                                                東京都品川区
                                                
                                             | 
                                                山形県山形市
                                                
                                             | 
                                                東京都品川区上大崎1丁目3-11
                                                
                                             | 
                                                東京都中央区
                                                
                                             | 
                                                東京都中央区日本橋室町4丁目4-1
                                                
                                             | 
                                                東京都品川区
                                                
                                             | 
| Number of shares held | 
                                                2,200,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                56,828,100
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                1,604,400
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                1,820,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                2,564,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                3,026,500
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                2,603,800
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                34,059,400
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                3,600,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                2,050,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                3,300,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Shareholding ratio (excluding treasury shares) | 
                                                0.01290
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.33410
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.00940
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.01070
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.01510
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.01780
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.01530
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.20030
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.02120
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.01200
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.01940
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             |