Issued Shares
| Concept | As at 2024-06-24 | As at 2024-06-24 | As at 2024-06-24 | 
|---|---|---|---|
| Issued shares | |||
| Issued shares | |||
| Class | 
                                                普通株式
                                                
                                             | — | 
                                                A種種類株式
                                                
                                             | 
| Number of issued shares as of fiscal year end | 
                                                8,550,400
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                8,550,690
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                290
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Number of issued shares as of filing date | 
                                                8,550,400
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                8,550,690
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                290
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Name of financial instruments exchange on which securities are listed or authorized financial instruments business association to which securities are registered | 
                                                東京証券取引所スタンダード市場
                                                
                                             | — |  | 
| Description | 
                                                権利内容に何ら限定のない当社における標準となる株式であり、単元株式数は100株であります。
                                                
                                             | — | 
                                                単元株式数は1株であります。(注)
                                                
                                             |