Consolidated Balance Sheet
| Concept | As at 2023-09-30 | As at 2023-06-30 | 
|---|---|---|
| Consolidated balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                2,862,450,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                671,809,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                32,423,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,687,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                3,193,547,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,277,296,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                292,933,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                298,818,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                152,071,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                158,497,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | 
                                                10,942,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,680,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | ||
| Intangible assets | ||
| Intangible assets | 
                                                129,920,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                130,640,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Assets | 
                                                3,486,480,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,576,114,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Non-current liabilities | ||
| Long-term borrowings | 
                                                52,450,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                71,630,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | 
                                                52,450,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                71,630,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | ||
| Current portion of long-term borrowings | 
                                                68,410,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                62,870,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provisions | ||
| Provision for bonuses | 
                                                24,147,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                231,873,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                275,237,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                324,430,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                338,107,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                376,880,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                409,737,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | ||
| Shareholders' equity | 
                                                3,107,984,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,164,761,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share capital | 
                                                1,131,848,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                2,426,348,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,394,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                -450,211,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -329,738,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share acquisition rights | 
                                                1,615,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,615,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                3,109,600,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,166,377,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                3,486,480,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,576,114,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity |