Semi-Annual Consolidated Balance Sheet
| Concept | As at 2024-09-30 | 
|---|---|
| Semi-annual consolidated balance sheet | |
| Balance sheet | |
| Assets | |
| Current assets | |
| Cash and deposits | 
                                                1,523,443,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                24,321,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                1,800,935,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | |
| Property, plant and equipment | 
                                                192,412,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | |
| Other | — | 
| Other, net | 
                                                61,716,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | |
| Intangible assets | 
                                                393,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                623,877,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | |
| Long-term loans receivable | 
                                                33,027,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deferred tax assets | 
                                                38,616,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                143,078,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                816,683,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                2,617,619,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | |
| Current liabilities | |
| Short-term borrowings | 
                                                1,500,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes payable | 
                                                5,265,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Asset retirement obligations | 
                                                3,150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                73,351,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                1,951,376,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | |
| Bonds payable | 
                                                30,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Long-term borrowings | 
                                                94,624,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Asset retirement obligations | 
                                                309,784,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                6,331,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | 
                                                440,740,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                2,392,116,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provision for bonuses | 
                                                29,019,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | |
| Shareholders' equity | |
| Share capital | 
                                                100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                40,581,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -192,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                140,388,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | |
| Valuation difference on available-for-sale securities | 
                                                46,299,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                46,299,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-controlling interests | 
                                                38,814,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                225,503,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                2,617,619,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |