Semi-Annual Consolidated Balance Sheet
| Concept | As at 2024-04-30 | As at 2024-01-31 | 
|---|---|---|
| Semi-annual consolidated balance sheet | ||
| Balance sheet | ||
| Assets | ||
| Current assets | ||
| Cash and deposits | 
                                                945,535,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,261,109,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                172,827,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                96,997,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -88,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -28,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current assets | 
                                                2,383,715,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,397,621,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | ||
| Property, plant and equipment | 
                                                51,078,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                52,186,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Property, plant and equipment | ||
| Intangible assets | ||
| Goodwill | 
                                                100,244,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                30,994,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,111,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Intangible assets | 
                                                131,239,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,111,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | 
                                                164,684,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                163,574,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Investments and other assets | ||
| Other | 
                                                208,040,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                207,744,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Allowance for doubtful accounts | 
                                                -43,356,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -44,170,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current assets | 
                                                347,002,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                236,871,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Assets | 
                                                2,730,717,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,634,493,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | ||
| Current liabilities | ||
| Short-term borrowings | 
                                                900,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                850,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes payable | 
                                                4,347,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,134,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                119,945,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                111,370,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Current liabilities | 
                                                1,390,782,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,315,947,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | ||
| Long-term borrowings | 
                                                172,615,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                123,436,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Asset retirement obligations | 
                                                31,559,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,496,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                610,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-current liabilities | 
                                                204,785,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                154,932,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities | 
                                                1,595,568,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,470,880,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | ||
| Share capital | 
                                                382,328,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                382,328,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | ||
| Capital surplus | 
                                                374,819,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                374,819,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Retained earnings | 
                                                373,379,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                402,036,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Treasury shares | 
                                                -338,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -338,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Shareholders' equity | 
                                                1,130,189,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,158,847,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | ||
| Valuation difference on available-for-sale securities | 
                                                2,559,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,365,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Valuation and translation adjustments | 
                                                2,559,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,365,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Share acquisition rights | 
                                                2,400,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,400,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net assets | 
                                                1,135,149,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,163,612,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Liabilities and net assets | 
                                                2,730,717,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,634,493,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |