Balance Sheet
| Concept | As at 2024-03-31 | As at 2023-06-30 | 
|---|---|---|
| Balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                2,632,892,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,199,322,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Accounts receivable - other | 
                                                22,031,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,576,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Supplies | 
                                                25,761,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,894,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -63,442,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -17,502,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                240,038,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                273,821,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                9,653,563,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,877,391,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                6,992,006,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,071,278,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | 
                                                4,945,652,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,927,927,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Buildings | — | — | 
| Buildings, net | 
                                                306,877,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                164,468,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Land | 
                                                249,156,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                141,918,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Leased assets, net | 
                                                675,751,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,581,458,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Construction in progress | 
                                                89,203,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                41,932,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other, net | 
                                                287,516,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                166,569,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | — | — | 
| Intangible assets | 
                                                264,974,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                342,032,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Software | 
                                                212,808,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                289,407,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                52,165,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                52,624,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other assets | — | — | 
| Investment securities | 
                                                236,056,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                138,700,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deferred tax assets | 
                                                94,761,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                103,686,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                1,781,379,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,801,318,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                36,896,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                76,086,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | ||
| Own-used assets | ||
| Leased assets | — | — | 
| Intangible assets | ||
| Other intangible assets | ||
| Investments and other assets | ||
| Other assets | ||
| Assets | 
                                                16,645,569,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,948,669,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Non-current liabilities | ||
| Non-current liabilities | 
                                                2,950,714,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,699,865,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Long-term borrowings | 
                                                2,617,002,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,984,295,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                59,934,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                109,830,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Lease liabilities | 
                                                273,778,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                605,738,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                5,969,849,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,026,258,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Accounts payable - trade | 
                                                2,624,646,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,436,196,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Accounts payable - other | 
                                                269,504,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                338,021,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes payable | 
                                                650,471,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                43,008,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deposits received | 
                                                211,932,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                192,547,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                276,224,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                148,820,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | ||
| Current portion of long-term borrowings | 
                                                1,567,884,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,352,003,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Lease liabilities | 
                                                236,955,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                428,163,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deposits received | ||
| Provision for bonuses | 
                                                132,229,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                57,211,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provisions | ||
| Liabilities | 
                                                8,920,564,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,726,123,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other liabilities | — | — | 
| Other liabilities | — | — | 
| Liabilities and net assets | ||
| Shareholders' equity | 
                                                7,693,752,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,198,178,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share capital | 
                                                100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                983,691,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                983,691,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                6,610,061,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,114,487,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share acquisition rights | 
                                                31,253,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,188,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                7,725,005,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,222,545,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                16,645,569,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,948,669,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity | ||
| Capital surplus | ||
| Retained earnings |