Consolidated Statement Of Income
| Concept | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Consolidated statement of income | ||||||||||||||||||||||
| Statement of income | ||||||||||||||||||||||
| Net sales | — | 
                                                12,248,450,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                7,211,577,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,248,450,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                158,542,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,089,908,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,508,701,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                158,007,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,761,976,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                10,919,983,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,919,983,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | — | — | — | — | — | — | 
                                                6,195,537,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,597,651,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                5,487,937,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                9,346,065,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||||||||||||||||||||||
| Selling, general and administrative expenses | — | — | — | — | — | — | 
                                                872,674,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,393,846,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                878,704,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                1,360,882,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Depreciation | — | — | — | — | — | — | 
                                                83,957,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                100,850,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                82,648,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                91,900,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other | — | — | — | — | — | — | — | 
                                                186,737,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                195,871,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating expenses | ||||||||||||||||||||||
| Operating expenses | ||||||||||||||||||||||
| Operating expenses - general | ||||||||||||||||||||||
| Remuneration for directors (and other officers) | — | — | — | — | — | — | 
                                                61,862,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                93,062,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                92,448,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                123,648,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Gross profit (loss) | — | — | — | — | — | — | 
                                                1,016,040,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,650,799,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,020,764,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                1,573,918,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Net sales | ||||||||||||||||||||||
| Operating profit (loss) | — | 
                                                256,952,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                143,366,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                256,952,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                80,036,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                176,915,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                142,059,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                78,913,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                134,122,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                213,036,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                213,036,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Ordinary profit (loss) | — | — | — | — | — | — | 
                                                201,724,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                323,431,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                189,496,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                268,023,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| General and administrative expenses | ||||||||||||||||||||||
| Salaries | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Operating expenses | ||||||||||||||||||||||
| Selling, general and administrative expenses | ||||||||||||||||||||||
| Non-operating income | — | — | — | — | — | — | 
                                                76,105,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                88,592,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                75,014,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                85,952,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Dividend income | — | — | — | — | — | — | 
                                                52,995,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                55,407,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                51,552,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                53,797,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Interest income | — | — | — | — | — | — | 
                                                2,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                65,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                80,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | ||||||||||||||||||||||
| Other | — | — | — | — | — | — | 
                                                7,406,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,475,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                9,312,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                17,990,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary income | — | — | — | — | — | — | 
                                                110,924,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                110,924,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                142,034,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                156,450,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | ||||||||||||||||||||||
| Extraordinary losses | — | — | — | — | — | — | 
                                                3,758,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,758,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                610,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                610,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating expenses | — | — | — | — | — | — | 
                                                17,746,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,113,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                27,577,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                30,965,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Interest expenses | — | — | — | — | — | — | 
                                                12,274,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,513,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                11,162,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                14,906,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating expenses | ||||||||||||||||||||||
| Other | — | — | — | — | — | — | 
                                                5,472,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,535,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                2,759,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                2,403,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Gross profit | ||||||||||||||||||||||
| Profit (loss) before income taxes | — | — | — | — | — | — | 
                                                308,891,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                430,597,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                330,920,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                423,863,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary income | ||||||||||||||||||||||
| Gain on sale of non-current assets | — | — | — | — | — | — | 
                                                81,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                81,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                655,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                655,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Gain on sale of investment securities | — | — | — | — | — | — | 
                                                110,842,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                110,842,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                141,379,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                155,795,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes - current | — | — | — | — | — | — | 
                                                77,073,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                112,722,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                117,182,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                118,779,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes - deferred | — | — | — | — | — | — | 
                                                200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,424,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -20,702,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                -37,792,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Extraordinary losses | ||||||||||||||||||||||
| Loss on retirement of non-current assets | — | — | — | — | — | — | 
                                                3,758,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,758,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                610,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                610,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes | — | — | — | — | — | — | 
                                                77,273,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                121,147,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                96,479,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                80,986,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) | — | — | 
                                                231,617,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                231,617,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                231,617,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                309,450,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                231,617,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                234,440,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                234,440,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                234,440,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                234,440,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                342,876,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) attributable to non-controlling interests | — | — | — | — | — | — | — | 
                                                38,053,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                53,049,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) attributable to owners of parent | 
                                                271,396,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                271,396,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                271,396,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                289,827,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                289,827,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                289,827,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | ||||||||||||||||||||||
| Valuation difference on available-for-sale securities | — | — | — | — | — | — | — | 
                                                -76,443,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -884,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other comprehensive income | — | — | — | — | — | — | — | 
                                                -76,443,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -884,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit attributable to | ||||||||||||||||||||||
| Comprehensive income | — | — | — | — | — | — | — | 
                                                233,006,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                341,992,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to | ||||||||||||||||||||||
| Comprehensive income attributable to owners of parent | — | — | — | — | — | — | — | 
                                                190,901,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                293,747,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Comprehensive income attributable to non-controlling interests | — | — | — | — | — | — | — | 
                                                42,104,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                48,244,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |