Consolidated Balance Sheet
| Concept | As at 2024-03-31 | As at 2023-06-30 | 
|---|---|---|
| Consolidated balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                3,152,497,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,806,204,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Merchandise and finished goods | 
                                                126,024,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                132,320,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Work in process | 
                                                12,615,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,713,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Supplies | 
                                                456,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                685,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                140,859,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                165,360,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -40,398,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -53,222,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                4,448,548,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,022,349,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                1,690,388,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,639,396,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                950,997,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                898,863,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investment securities | 
                                                653,272,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                598,456,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                313,128,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                300,407,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -15,403,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | ||
| Property, plant and equipment | 
                                                179,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                202,570,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | ||
| Goodwill | 
                                                356,944,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                339,924,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                202,855,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                198,038,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other intangible assets | ||
| Intangible assets | 
                                                559,799,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                537,962,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Assets | 
                                                6,138,936,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,661,746,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Income taxes payable | 
                                                122,487,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                582,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current portion of long-term borrowings | 
                                                214,652,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                154,652,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current portion of bonds payable | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provisions | ||
| Provision for bonuses | 
                                                44,517,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,779,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                377,629,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                406,650,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                1,167,074,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,047,115,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provision for bonuses for directors (and other officers) | 
                                                4,837,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Long-term borrowings | 
                                                387,334,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                263,323,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provision for retirement benefits for directors (and other officers) | 
                                                114,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                114,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | 
                                                563,856,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                441,867,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Asset retirement obligations | 
                                                53,886,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                53,726,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                122,521,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                124,704,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                1,730,931,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,488,983,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | ||
| Shareholders' equity | 
                                                4,243,237,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,005,341,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share capital | 
                                                50,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                50,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                1,729,939,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,730,465,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                2,590,319,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,358,508,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -127,022,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -133,632,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                41,882,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                53,410,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation difference on available-for-sale securities | 
                                                41,882,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                53,410,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-controlling interests | 
                                                122,885,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                114,011,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                4,408,005,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,172,762,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                6,138,936,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,661,746,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity | ||
| Valuation and translation adjustments |