Semi-Annual Consolidated Balance Sheet
| Concept | As at 2023-09-30 | As at 2023-03-31 | 
|---|---|---|
| Semi-annual consolidated balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                785,101,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                478,731,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                192,469,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                173,710,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                3,199,143,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,000,665,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | 
                                                97,859,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                74,264,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | ||
| Buildings and structures | — | — | 
| Buildings and structures, net | 
                                                927,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                916,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Leased assets | — | — | 
| Leased assets, net | 
                                                52,609,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                51,067,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | ||
| Other | 
                                                1,602,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                356,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | 
                                                5,037,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,419,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                114,438,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                105,751,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Investment securities | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Deferred tax assets | 
                                                80,947,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                71,981,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                33,491,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                33,769,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                217,334,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                182,435,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                3,416,477,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,183,099,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Income taxes payable | 
                                                13,908,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,454,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                195,171,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                162,158,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                918,057,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                766,232,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Long-term borrowings | 
                                                468,746,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                570,951,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Lease liabilities | 
                                                49,030,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                49,473,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                39,470,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                38,721,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | 
                                                565,415,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                667,313,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                1,483,472,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,433,546,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Shareholders' equity | ||
| Share capital | 
                                                2,417,578,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,258,888,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Capital surplus | 
                                                851,919,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                693,229,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                -1,654,140,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,416,892,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -35,396,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -35,396,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                1,579,961,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,499,829,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | ||
| Foreign currency translation adjustment | 
                                                310,256,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                206,096,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                310,256,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                206,096,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share acquisition rights | 
                                                42,788,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                43,630,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                1,933,005,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,749,554,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                3,416,477,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,183,099,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |