Balance Sheet
| Concept | As at 2024-12-31 | As at 2024-06-30 | 
|---|---|---|
| Balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                3,065,877,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,900,488,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                3,704,284,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,746,706,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                78,644,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                60,042,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                325,389,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                354,813,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | 
                                                8,671,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,439,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | 
                                                122,033,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                126,151,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                194,684,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                220,221,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | ||
| Intangible assets | ||
| Investments and other assets | ||
| Other assets | ||
| Assets | 
                                                4,029,673,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,101,519,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Current portion of long-term borrowings | 
                                                38,810,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                65,810,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                251,726,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                343,106,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                350,812,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                457,350,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provision for bonuses | 
                                                58,257,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                48,434,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provisions | ||
| Non-current liabilities | ||
| Non-current liabilities | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,820,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Long-term borrowings | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,820,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                350,812,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                463,170,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | ||
| Shareholders' equity | 
                                                3,677,382,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,636,832,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share capital | 
                                                53,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                52,103,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                3,511,792,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,510,895,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                112,988,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                74,012,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -398,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -179,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share acquisition rights | 
                                                1,479,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,516,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                3,678,861,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,638,348,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                4,029,673,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,101,519,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity | ||
| Capital surplus | ||
| Retained earnings |