Consolidated Statement Of Income
| Concept | 2023-04-01 to 2023-12-31 | 2022-04-01 to 2022-12-31 | 
|---|---|---|
| Consolidated statement of income | ||
| Statement of income | ||
| Net sales | 
                                                15,823,052,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,315,466,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | 
                                                5,294,976,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,387,974,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||
| Selling, general and administrative expenses | 
                                                8,747,666,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,552,267,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||
| Ordinary profit (loss) | 
                                                1,942,872,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,448,149,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating profit (loss) | 
                                                1,780,408,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                375,224,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net sales | ||
| Gross profit (loss) | 
                                                10,528,075,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,927,491,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | 
                                                199,274,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,113,351,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary income | 
                                                35,333,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,099,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | ||
| Non-operating income | ||
| Other | 
                                                45,037,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,686,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Selling, general and administrative expenses | ||
| Non-operating expenses | ||
| Interest expenses | 
                                                6,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                102,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                1,304,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,596,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating expenses | 
                                                36,810,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                40,426,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary losses | 
                                                8,056,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                30,400,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Impairment losses | 
                                                573,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,130,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | 
                                                1,417,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,400,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Gross profit | ||
| Profit (loss) before income taxes | 
                                                1,970,148,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,419,849,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary income | ||
| Gain on sale of non-current assets | 
                                                2,550,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,099,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes - current | 
                                                727,713,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                470,845,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes - deferred | 
                                                -26,839,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -17,950,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary losses | ||
| Loss on retirement of non-current assets | 
                                                6,065,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                870,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes | 
                                                700,874,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                452,894,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) | 
                                                1,269,274,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                966,954,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) attributable to owners of parent | 
                                                1,269,274,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                966,954,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit attributable to | ||
| Other comprehensive income | ||
| Valuation difference on available-for-sale securities | 
                                                787,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                92,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | 
                                                787,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                92,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income | 
                                                1,270,062,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                967,046,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to | ||
| Comprehensive income attributable to owners of parent | 
                                                1,270,062,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                967,046,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |