Balance Sheet
| Concept | As at 2024-06-30 | As at 2023-12-31 | 
|---|---|---|
| Balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | 
                                                6,034,404,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,626,847,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cash and deposits | 
                                                2,363,446,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,036,824,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Securities | 
                                                23,914,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                447,244,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Merchandise | 
                                                10,034,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,467,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                541,118,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                873,223,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -229,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -249,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | ||
| Land | 
                                                4,498,025,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,498,025,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | 
                                                6,809,818,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,835,168,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other, net | 
                                                442,208,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                443,403,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | — | — | 
| Own-used assets | ||
| Intangible assets | ||
| Intangible assets | 
                                                288,341,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                321,847,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                288,341,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                321,847,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other intangible assets | ||
| Investments and other assets | ||
| Investment securities | 
                                                32,951,868,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,705,028,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                33,121,012,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,890,161,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deferred tax assets | 
                                                787,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                969,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                84,390,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                96,001,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -346,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -218,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                40,219,172,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,047,177,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other assets | — | — | 
| Current assets | ||
| Work in process | 
                                                772,529,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                662,490,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other assets | ||
| Assets | 
                                                46,253,576,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                41,674,024,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Non-current liabilities | ||
| Non-current liabilities | 
                                                3,933,305,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,288,674,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deferred tax liabilities | 
                                                3,912,930,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,268,606,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                10,253,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,253,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provision for retirement benefits for directors (and other officers) | 
                                                10,122,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,815,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                4,292,380,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,323,562,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Accounts payable - trade | 
                                                573,199,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,348,022,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes payable | 
                                                950,250,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,035,150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                2,420,250,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,624,586,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | ||
| Provision for bonuses | 
                                                348,680,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                298,402,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Provisions | ||
| Provision for bonuses for directors (and other officers) | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,400,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                8,225,685,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,612,237,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other liabilities | — | — | 
| Other liabilities | — | — | 
| Liabilities and net assets | ||
| Shareholders' equity | 
                                                28,596,304,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                28,424,717,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share capital | 
                                                1,370,150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,370,150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                1,352,255,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,365,248,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                27,596,845,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,480,826,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -1,722,946,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,791,508,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                9,325,313,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,543,073,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation difference on available-for-sale securities | 
                                                9,309,815,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,527,609,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share acquisition rights | 
                                                105,782,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                93,504,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                38,027,891,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,061,787,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                46,253,576,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                41,674,024,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Valuation and translation adjustments | ||
| Shareholders' equity | ||
| Capital surplus | ||
| Retained earnings |