Quarterly Consolidated Balance Sheet
| Concept | As at 2024-06-30 | As at 2023-12-31 | 
|---|---|---|
| Quarterly consolidated balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                6,148,605,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,695,659,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                168,908,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                226,493,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                8,620,839,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,805,439,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | 
                                                41,463,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                35,121,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | ||
| Intangible assets | ||
| Other | 
                                                216,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                216,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | 
                                                426,532,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                296,627,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                358,175,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                329,256,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Non-current assets | 
                                                826,171,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                661,006,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                9,447,011,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,466,445,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Short-term borrowings | 
                                                500,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                500,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes payable | 
                                                36,228,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                30,005,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                125,323,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                121,183,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                6,400,107,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,105,916,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Non-current liabilities | 
                                                420,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                379,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                6,400,527,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,106,295,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity | ||
| Share capital | 
                                                2,078,007,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,823,717,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                3,296,175,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,062,606,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                -2,900,632,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,629,324,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -70,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -70,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                2,473,479,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,256,929,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | ||
| Deferred gains or losses on hedges | 
                                                -496,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,572,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Foreign currency translation adjustment | 
                                                161,463,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                72,147,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                160,966,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                70,575,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share acquisition rights | 
                                                16,216,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,216,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-controlling interests | 
                                                395,820,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,428,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                3,046,483,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,360,149,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                9,447,011,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,466,445,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |