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 | 
                                                飯田 愛太
                                                
                                             | 
                                                株式会社永幸
                                                
                                             | 
                                                山内 薫
                                                
                                             | 
                                                飯田 悠太
                                                
                                             | 
                                                サッポロビール株式会社
                                                
                                             | 
                                                飯田 慶太
                                                
                                             | 
                                                株式会社岡永
                                                
                                             | — | 
                                                飯田 永太
                                                
                                             | 
                                                飯田 健太
                                                
                                             | 
                                                長井 梨紗
                                                
                                             | 
| Address | 
                                                東京都三鷹市
                                                
                                             | 
                                                東京都三鷹市井の頭五丁目26-12
                                                
                                             | 
                                                東京都三鷹市
                                                
                                             | 
                                                埼玉県春日部市
                                                
                                             | 
                                                東京都渋谷区恵比寿四丁目20-1
                                                
                                             | 
                                                千葉県浦安市
                                                
                                             | 
                                                東京都中央区日本橋馬喰町1丁目7-3
                                                
                                             | — | 
                                                東京都武蔵野市
                                                
                                             | 
                                                東京都武蔵野市
                                                
                                             | 
                                                東京都江戸川区
                                                
                                             | 
| Number of shares held | 
                                                1,192,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                750,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                1,412,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                296,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                962,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                294,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                1,443,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                10,896,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                3,787,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                449,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                305,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Shareholding ratio (excluding treasury shares) | 
                                                0.0306
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0192
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0362
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0076
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0247
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0076
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0370
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.2792
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0971
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0115
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0078
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             |