Major Shareholders
| Concept | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|
| Major shareholders | |||||||||||
| Major shareholders | |||||||||||
| Name | 
                                                柳川 修一
                                                
                                             | 
                                                柳川 妙子
                                                
                                             | 
                                                大阪ビジネスプラニング有限会社
                                                
                                             | 
                                                文屋 亜希子
                                                
                                             | 
                                                柳川 重昌
                                                
                                             | 
                                                住友電気工業株式会社
                                                
                                             | 
                                                Cominix従業員持株会
                                                
                                             | — | 
                                                林 祐介
                                                
                                             | 
                                                宿 淳子
                                                
                                             | 
                                                林 明美
                                                
                                             | 
| Address | 
                                                大阪市天王寺区
                                                
                                             | 
                                                大阪府岸和田市
                                                
                                             | 
                                                大阪府吹田市千里山松が丘12-18
                                                
                                             | 
                                                大阪府吹田市
                                                
                                             | 
                                                大阪府岸和田市
                                                
                                             | 
                                                大阪市中央区北浜4-5-33
                                                
                                             | 
                                                大阪市中央区南本町1-8-14
                                                
                                             | — | 
                                                大阪府吹田市
                                                
                                             | 
                                                大阪市北区
                                                
                                             | 
                                                大阪府吹田市
                                                
                                             | 
| Number of shares held | 
                                                425,600
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                333,600
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                492,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                164,800
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                372,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                80,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                588,951
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                3,729,751
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                871,200
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                228,800
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                172,800
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Shareholding ratio (excluding treasury shares) | 
                                                0.0619
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0485
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0716
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0239
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0541
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0116
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0857
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.5431
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.1268
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0333
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0251
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             |