Semi-Annual Consolidated Balance Sheet
| Concept | As at 2024-04-30 | As at 2023-07-31 | 
|---|---|---|
| Semi-annual consolidated balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                1,292,662,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                963,603,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Securities | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,738,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                7,783,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,223,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                1,678,073,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,395,668,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | 
                                                2,051,737,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,794,279,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | ||
| Land | 
                                                665,864,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                665,864,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Leased assets | — | — | 
| Leased assets, net | 
                                                115,367,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                64,135,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Construction in progress | 
                                                19,294,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                36,069,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | ||
| Other | 
                                                3,298,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,460,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | 
                                                36,407,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,893,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                651,827,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                635,150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Investment securities | 
                                                17,909,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,129,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Long-term loans receivable | 
                                                25,961,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,864,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deferred tax assets | 
                                                236,991,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                218,779,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                42,447,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                44,960,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                2,739,972,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,462,322,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                4,418,046,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,857,991,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Short-term borrowings | 
                                                205,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Lease liabilities | 
                                                46,146,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                37,054,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes payable | 
                                                67,846,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,777,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                50,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                143,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                1,213,124,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                908,047,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Bonds payable | 
                                                300,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                300,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Long-term borrowings | 
                                                912,421,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                853,787,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Lease liabilities | 
                                                140,745,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                84,785,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Asset retirement obligations | 
                                                178,175,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                173,869,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                17,035,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,849,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | 
                                                1,655,607,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,534,991,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                2,868,732,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,443,038,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provision for bonuses | 
                                                82,790,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,225,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity | ||
| Share capital | 
                                                669,467,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                664,419,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                591,817,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                586,769,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                289,730,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                168,884,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -1,920,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,526,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                1,549,095,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,418,547,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | ||
| Valuation difference on available-for-sale securities | 
                                                218,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,595,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                218,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,595,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                1,549,313,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,414,952,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                4,418,046,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,857,991,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |