Treasury Shares, Etc.
| Concept | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 
|---|---|---|---|
| Treasury shares, etc. | |||
| Treasury shares, etc. | |||
| Name of shareholder | — | 
                                                株式会社オーノ
                                                
                                             | 
                                                株式会社カネカ
                                                
                                             | 
| Address of shareholder | — | 
                                                大阪府堺市南区原山台五丁15番1号
                                                
                                             | 
                                                大阪市北区中之島二丁目3番18号
                                                
                                             | 
| Number of shares held in own name | 
                                                3,072,500
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                6,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                3,066,500
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Number of shares held in others' names | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Total number of shares held | 
                                                3,072,500
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                6,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                3,066,500
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Shareholding ratio | 
                                                0.0466
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0001
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0465
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             |