Issued Shares
| Concept | As at 2025-03-19 | As at 2025-03-19 | As at 2025-03-19 | 
|---|---|---|---|
| Issued shares | |||
| Issued shares | |||
| Class | — | 
                                                普通株式
                                                
                                             | 
                                                A種種類株式
                                                
                                             | 
| Number of issued shares as of fiscal year end | 
                                                1,100,675
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                1,100,620
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                55
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Number of issued shares as of filing date | 
                                                1,100,675
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                1,100,620
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                55
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Name of financial instruments exchange on which securities are listed or authorized financial instruments business association to which securities are registered | — | 
                                                東京証券取引所(グロース)
                                                
                                             |  | 
| Description | — | 
                                                単元株式数は100株であります。
                                                
                                             | 
                                                (注)1
                                                
                                             |