Balance Sheet
| Concept | As at 2024-12-31 | As at 2024-06-30 | 
|---|---|---|
| Balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                2,861,490,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,888,200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                161,169,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                420,265,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                3,022,660,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,308,466,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                109,249,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                124,389,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                109,249,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                124,389,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Investments and other assets | ||
| Other assets | ||
| Assets | 
                                                3,131,909,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,432,855,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Accounts payable - other | 
                                                66,135,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                45,355,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes payable | 
                                                43,462,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                45,282,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                1,136,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,351,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                110,735,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                91,988,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                110,735,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                91,988,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other liabilities | — | — | 
| Other liabilities | — | — | 
| Liabilities and net assets | ||
| Shareholders' equity | 
                                                2,985,430,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,304,619,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share capital | 
                                                8,166,177,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,585,635,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                8,153,027,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,572,485,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                -13,333,371,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -12,853,099,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -401,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -401,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share acquisition rights | 
                                                35,743,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                36,247,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                3,021,174,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,340,867,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                3,131,909,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,432,855,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity | ||
| Capital surplus | ||
| Retained earnings |