CIK 0002040290
| Fakt | Wert | Zeit | Quelle |
|---|---|---|---|
| accounts_payable | {"unit": "JPY", "value": 338534000, "concept": "us-gaap:AccountsPayableCurrent"} | 2026-03-31 | sec_edgar |
| accounts_payable | {"unit": "JPY", "value": 597708000, "concept": "us-gaap:AccountsPayableCurrent"} | 2025-03-31 | sec_edgar |
| accounts_payable | {"unit": "JPY", "value": 306153000, "concept": "us-gaap:AccountsPayableCurrent"} | 2024-03-31 | sec_edgar |
| accounts_receivable | {"unit": "JPY", "value": 161247000, "concept": "us-gaap:AccountsReceivableNetCurrent"} | 2026-03-31 | sec_edgar |
| accounts_receivable | {"unit": "JPY", "value": 138373000, "concept": "us-gaap:AccountsReceivableNetCurrent"} | 2025-03-31 | sec_edgar |
| accounts_receivable | {"unit": "JPY", "value": 181808000, "concept": "us-gaap:AccountsReceivableNetCurrent"} | 2024-03-31 | sec_edgar |
| capex | {"unit": "JPY", "value": 1634243000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAnd | 2026-03-31 | sec_edgar |
| capex | {"unit": "JPY", "value": 37464000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEq | 2025-03-31 | sec_edgar |
| capex | {"unit": "JPY", "value": 42145000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEq | 2024-03-31 | sec_edgar |
| capex | {"unit": "JPY", "value": 24979000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEq | 2023-03-31 | sec_edgar |
| cash_and_equivalents | {"unit": "JPY", "value": 2281913000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingV | 2026-03-31 | sec_edgar |
| cash_and_equivalents | {"unit": "JPY", "value": 2120515000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingV | 2025-03-31 | sec_edgar |
| cash_and_equivalents | {"unit": "JPY", "value": 1218241000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingV | 2024-03-31 | sec_edgar |
| cash_and_restricted_cash | {"unit": "JPY", "value": 2281913000, "concept": "us-gaap:CashCashEquivalentsRestrictedCash | 2026-03-31 | sec_edgar |
| cash_and_restricted_cash | {"unit": "JPY", "value": 2120515000, "concept": "us-gaap:CashCashEquivalentsRestrictedCash | 2025-03-31 | sec_edgar |
| cash_and_restricted_cash | {"unit": "JPY", "value": 1218241000, "concept": "us-gaap:CashCashEquivalentsRestrictedCash | 2024-03-31 | sec_edgar |
| cash_and_restricted_cash | {"unit": "JPY", "value": 412351000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashA | 2023-03-31 | sec_edgar |
| cash_and_restricted_cash | {"unit": "JPY", "value": 470115000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashA | 2022-03-31 | sec_edgar |
| cashflow_financing | {"unit": "JPY", "value": 3882541000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingA | 2026-03-31 | sec_edgar |
| cashflow_financing | {"unit": "JPY", "value": 572070000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingAc | 2025-03-31 | sec_edgar |
| cashflow_financing | {"unit": "JPY", "value": 2909974000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingA | 2024-03-31 | sec_edgar |
| cashflow_financing | {"unit": "JPY", "value": 3576111000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingA | 2023-03-31 | sec_edgar |
| cashflow_investing | {"unit": "JPY", "value": -1520636000, "concept": "us-gaap:NetCashProvidedByUsedInInvesting | 2026-03-31 | sec_edgar |
| cashflow_investing | {"unit": "JPY", "value": -475855000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingA | 2025-03-31 | sec_edgar |
| cashflow_investing | {"unit": "JPY", "value": -13538000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingAc | 2024-03-31 | sec_edgar |
| cashflow_investing | {"unit": "JPY", "value": 17851000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingAct | 2023-03-31 | sec_edgar |
| cashflow_operating | {"unit": "JPY", "value": -2201764000, "concept": "us-gaap:NetCashProvidedByUsedInOperating | 2026-03-31 | sec_edgar |
| cashflow_operating | {"unit": "JPY", "value": 804637000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingAc | 2025-03-31 | sec_edgar |
| cashflow_operating | {"unit": "JPY", "value": -2083273000, "concept": "us-gaap:NetCashProvidedByUsedInOperating | 2024-03-31 | sec_edgar |
| cashflow_operating | {"unit": "JPY", "value": -3655316000, "concept": "us-gaap:NetCashProvidedByUsedInOperating | 2023-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 23652110, "concept": "us-gaap:CommonStockSharesIssued"} | 2026-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 23652110, "concept": "us-gaap:CommonStockSharesIssued"} | 2025-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 21652110, "concept": "us-gaap:CommonStockSharesIssued"} | 2024-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 23610870, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2026-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 23628452, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2025-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 21628452, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2024-10-15 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 7209484, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2024-10-14 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 21628452, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2024-03-31 | sec_edgar |
| cost_of_revenue | {"unit": "JPY", "value": 17812742000, "concept": "us-gaap:CostOfRevenue"} | 2026-03-31 | sec_edgar |
| cost_of_revenue | {"unit": "JPY", "value": 17091646000, "concept": "us-gaap:CostOfRevenue"} | 2025-03-31 | sec_edgar |
| cost_of_revenue | {"unit": "JPY", "value": 11469951000, "concept": "us-gaap:CostOfRevenue"} | 2024-03-31 | sec_edgar |
| cost_of_revenue | {"unit": "JPY", "value": 10744926000, "concept": "us-gaap:CostOfRevenue"} | 2023-03-31 | sec_edgar |
| current_assets | {"unit": "JPY", "value": 19994451000, "concept": "us-gaap:AssetsCurrent"} | 2026-03-31 | sec_edgar |
| current_assets | {"unit": "JPY", "value": 16412633000, "concept": "us-gaap:AssetsCurrent"} | 2025-03-31 | sec_edgar |
| current_assets | {"unit": "JPY", "value": 15259488000, "concept": "us-gaap:AssetsCurrent"} | 2024-03-31 | sec_edgar |
| current_liabilities | {"unit": "JPY", "value": 8330834000, "concept": "us-gaap:LiabilitiesCurrent"} | 2026-03-31 | sec_edgar |
| current_liabilities | {"unit": "JPY", "value": 7877221000, "concept": "us-gaap:LiabilitiesCurrent"} | 2025-03-31 | sec_edgar |
| current_liabilities | {"unit": "JPY", "value": 10398974000, "concept": "us-gaap:LiabilitiesCurrent"} | 2024-03-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 23610870} | 2026-03-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 23652110} | 2025-03-31 | sec_edgar |
| depreciation_amortization | {"unit": "JPY", "value": 24893000, "concept": "us-gaap:DepreciationDepletionAndAmortizatio | 2026-03-31 | sec_edgar |
| depreciation_amortization | {"unit": "JPY", "value": 95828000, "concept": "us-gaap:DepreciationDepletionAndAmortizatio | 2025-03-31 | sec_edgar |
| depreciation_amortization | {"unit": "JPY", "value": 32478000, "concept": "us-gaap:DepreciationDepletionAndAmortizatio | 2024-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 32.16, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2026-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 34.76, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2025-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 15.37, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2024-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 17.38, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2023-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 32.16, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2026-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 34.76, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2025-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 15.37, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2024-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 17.38, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2023-03-31 | sec_edgar |
| gross_profit | {"unit": "JPY", "value": 4408421000, "concept": "us-gaap:GrossProfit"} | 2026-03-31 | sec_edgar |
| gross_profit | {"unit": "JPY", "value": 3559270000, "concept": "us-gaap:GrossProfit"} | 2025-03-31 | sec_edgar |
| gross_profit | {"unit": "JPY", "value": 2651889000, "concept": "us-gaap:GrossProfit"} | 2024-03-31 | sec_edgar |
| gross_profit | {"unit": "JPY", "value": 2519482000, "concept": "us-gaap:GrossProfit"} | 2023-03-31 | sec_edgar |
| income_tax_expense | {"unit": "JPY", "value": 491243000, "concept": "us-gaap:IncomeTaxExpenseBenefit"} | 2026-03-31 | sec_edgar |
| income_tax_expense | {"unit": "JPY", "value": 394623000, "concept": "us-gaap:IncomeTaxExpenseBenefit"} | 2025-03-31 | sec_edgar |
| income_tax_expense | {"unit": "JPY", "value": 196354000, "concept": "us-gaap:IncomeTaxExpenseBenefit"} | 2024-03-31 | sec_edgar |
| income_tax_expense | {"unit": "JPY", "value": 251142000, "concept": "us-gaap:IncomeTaxExpenseBenefit"} | 2023-03-31 | sec_edgar |
| industry_sic | {"code": "1531", "scheme": "SIC", "description": "Operative Builders"} | sec_edgar | |
| inventory | {"unit": "JPY", "value": 16555068000, "concept": "us-gaap:InventoryNet"} | 2026-03-31 | sec_edgar |
| inventory | {"unit": "JPY", "value": 13612387000, "concept": "us-gaap:InventoryNet"} | 2025-03-31 | sec_edgar |
| inventory | {"unit": "JPY", "value": 13518460000, "concept": "us-gaap:InventoryNet"} | 2024-03-31 | sec_edgar |
| long_term_debt | {"unit": "JPY", "value": 15542783000, "concept": "us-gaap:LongTermDebt"} | 2026-03-31 | sec_edgar |
| long_term_debt | {"unit": "JPY", "value": 10958628000, "concept": "us-gaap:LongTermDebt"} | 2025-03-31 | sec_edgar |
| long_term_debt_current | {"unit": "JPY", "value": 4878372000, "concept": "us-gaap:LongTermDebtCurrent"} | 2026-03-31 | sec_edgar |
| long_term_debt_current | {"unit": "JPY", "value": 4025343000, "concept": "us-gaap:LongTermDebtCurrent"} | 2025-03-31 | sec_edgar |
| long_term_debt_current | {"unit": "JPY", "value": 6065020000, "concept": "us-gaap:LongTermDebtCurrent"} | 2024-03-31 | sec_edgar |
| long_term_debt_noncurrent | {"unit": "JPY", "value": 10584054000, "concept": "us-gaap:LongTermDebtNoncurrent"} | 2026-03-31 | sec_edgar |
| long_term_debt_noncurrent | {"unit": "JPY", "value": 6858607000, "concept": "us-gaap:LongTermDebtNoncurrent"} | 2025-03-31 | sec_edgar |
| long_term_debt_noncurrent | {"unit": "JPY", "value": 4559117000, "concept": "us-gaap:LongTermDebtNoncurrent"} | 2024-03-31 | sec_edgar |
| net_income | {"unit": "JPY", "value": 759961000, "concept": "us-gaap:NetIncomeLoss"} | 2026-03-31 | sec_edgar |
| net_income | {"unit": "JPY", "value": 753621000, "concept": "us-gaap:NetIncomeLoss"} | 2025-03-31 | sec_edgar |
| net_income | {"unit": "JPY", "value": 323605000, "concept": "us-gaap:NetIncomeLoss"} | 2024-03-31 | sec_edgar |
| net_income | {"unit": "JPY", "value": 354025000, "concept": "us-gaap:NetIncomeLoss"} | 2023-03-31 | sec_edgar |
| noncurrent_assets | {"unit": "JPY", "value": 6962444000, "concept": "us-gaap:AssetsNoncurrent"} | 2026-03-31 | sec_edgar |
| noncurrent_assets | {"unit": "JPY", "value": 6071555000, "concept": "us-gaap:AssetsNoncurrent"} | 2025-03-31 | sec_edgar |
| noncurrent_assets | {"unit": "JPY", "value": 5950780000, "concept": "us-gaap:AssetsNoncurrent"} | 2024-03-31 | sec_edgar |
| noncurrent_liabilities | {"unit": "JPY", "value": 14410802000, "concept": "us-gaap:LiabilitiesNoncurrent"} | 2026-03-31 | sec_edgar |
| noncurrent_liabilities | {"unit": "JPY", "value": 11089748000, "concept": "us-gaap:LiabilitiesNoncurrent"} | 2025-03-31 | sec_edgar |
| noncurrent_liabilities | {"unit": "JPY", "value": 9048477000, "concept": "us-gaap:LiabilitiesNoncurrent"} | 2024-03-31 | sec_edgar |
| operating_expenses | {"unit": "JPY", "value": 2836841000, "concept": "us-gaap:OperatingExpenses"} | 2026-03-31 | sec_edgar |
| operating_expenses | {"unit": "JPY", "value": 2216754000, "concept": "us-gaap:OperatingExpenses"} | 2025-03-31 | sec_edgar |
| operating_expenses | {"unit": "JPY", "value": 1713388000, "concept": "us-gaap:OperatingExpenses"} | 2024-03-31 | sec_edgar |
| operating_expenses | {"unit": "JPY", "value": 1602627000, "concept": "us-gaap:OperatingExpenses"} | 2023-03-31 | sec_edgar |
| operating_income | {"unit": "JPY", "value": 1571580000, "concept": "us-gaap:OperatingIncomeLoss"} | 2026-03-31 | sec_edgar |
| operating_income | {"unit": "JPY", "value": 1342516000, "concept": "us-gaap:OperatingIncomeLoss"} | 2025-03-31 | sec_edgar |
| operating_income | {"unit": "JPY", "value": 938501000, "concept": "us-gaap:OperatingIncomeLoss"} | 2024-03-31 | sec_edgar |
| operating_income | {"unit": "JPY", "value": 916855000, "concept": "us-gaap:OperatingIncomeLoss"} | 2023-03-31 | sec_edgar |
| operating_lease_liability | {"unit": "JPY", "value": 4144286000, "concept": "us-gaap:OperatingLeaseLiability"} | 2026-03-31 | sec_edgar |
| operating_lease_liability | {"unit": "JPY", "value": 4554062000, "concept": "us-gaap:OperatingLeaseLiability"} | 2025-03-31 | sec_edgar |
| ppe_net | {"unit": "JPY", "value": 1929365000, "concept": "us-gaap:PropertyPlantAndEquipmentNet"} | 2026-03-31 | sec_edgar |
| ppe_net | {"unit": "JPY", "value": 357527000, "concept": "us-gaap:PropertyPlantAndEquipmentNet"} | 2025-03-31 | sec_edgar |
| ppe_net | {"unit": "JPY", "value": 426865000, "concept": "us-gaap:PropertyPlantAndEquipmentNet"} | 2024-03-31 | sec_edgar |
| pretax_income | {"unit": "JPY", "value": 1251204000, "concept": "us-gaap:IncomeLossFromContinuingOperation | 2026-03-31 | sec_edgar |
| pretax_income | {"unit": "JPY", "value": 1148244000, "concept": "us-gaap:IncomeLossFromContinuingOperation | 2025-03-31 | sec_edgar |
| pretax_income | {"unit": "JPY", "value": 519959000, "concept": "us-gaap:IncomeLossFromContinuingOperations | 2024-03-31 | sec_edgar |
| pretax_income | {"unit": "JPY", "value": 605167000, "concept": "us-gaap:IncomeLossFromContinuingOperations | 2023-03-31 | sec_edgar |
| retained_earnings | {"unit": "JPY", "value": 2078645000, "concept": "us-gaap:RetainedEarningsAccumulatedDefici | 2026-03-31 | sec_edgar |
| retained_earnings | {"unit": "JPY", "value": 1397387000, "concept": "us-gaap:RetainedEarningsAccumulatedDefici | 2025-03-31 | sec_edgar |
| retained_earnings | {"unit": "JPY", "value": 643766000, "concept": "us-gaap:RetainedEarningsAccumulatedDeficit | 2024-03-31 | sec_edgar |
| revenue | {"unit": "JPY", "value": 22221163000, "concept": "us-gaap:RevenueFromContractWithCustomerE | 2026-03-31 | sec_edgar |
| revenue | {"unit": "JPY", "value": 20650916000, "concept": "us-gaap:RevenueFromContractWithCustomerE | 2025-03-31 | sec_edgar |
| revenue | {"unit": "JPY", "value": 14121840000, "concept": "us-gaap:RevenueFromContractWithCustomerE | 2024-03-31 | sec_edgar |
| revenue | {"unit": "JPY", "value": 13264408000, "concept": "us-gaap:RevenueFromContractWithCustomerE | 2023-03-31 | sec_edgar |
| sga_expense | {"unit": "JPY", "value": 2836841000, "concept": "us-gaap:SellingGeneralAndAdministrativeEx | 2026-03-31 | sec_edgar |
| sga_expense | {"unit": "JPY", "value": 2216754000, "concept": "us-gaap:SellingGeneralAndAdministrativeEx | 2025-03-31 | sec_edgar |
| sga_expense | {"unit": "JPY", "value": 1713388000, "concept": "us-gaap:SellingGeneralAndAdministrativeEx | 2024-03-31 | sec_edgar |
| sga_expense | {"unit": "JPY", "value": 1602627000, "concept": "us-gaap:SellingGeneralAndAdministrativeEx | 2023-03-31 | sec_edgar |
| share_based_compensation | {"unit": "JPY", "value": 12709000, "concept": "us-gaap:ShareBasedCompensation"} | 2026-03-31 | sec_edgar |
| shares_wavg_basic | {"unit": "shares", "value": 23627697, "concept": "us-gaap:WeightedAverageNumberOfSharesOut | 2026-03-31 | sec_edgar |
| shares_wavg_basic | {"unit": "shares", "value": 21679507, "concept": "us-gaap:WeightedAverageNumberOfSharesOut | 2025-03-31 | sec_edgar |
| shares_wavg_basic | {"unit": "shares", "value": 21053384, "concept": "us-gaap:WeightedAverageNumberOfSharesOut | 2024-03-31 | sec_edgar |
| shares_wavg_basic | {"unit": "shares", "value": 20374500, "concept": "us-gaap:WeightedAverageNumberOfSharesOut | 2023-03-31 | sec_edgar |
| shares_wavg_diluted | {"unit": "shares", "value": 23627697, "concept": "us-gaap:WeightedAverageNumberOfDilutedSh | 2026-03-31 | sec_edgar |
| shares_wavg_diluted | {"unit": "shares", "value": 21679507, "concept": "us-gaap:WeightedAverageNumberOfDilutedSh | 2025-03-31 | sec_edgar |
| shares_wavg_diluted | {"unit": "shares", "value": 21053384, "concept": "us-gaap:WeightedAverageNumberOfDilutedSh | 2024-03-31 | sec_edgar |
| shares_wavg_diluted | {"unit": "shares", "value": 20374500, "concept": "us-gaap:WeightedAverageNumberOfDilutedSh | 2023-03-31 | sec_edgar |
| short_term_investments | {"unit": "JPY", "value": 331484000, "concept": "us-gaap:ShortTermInvestments"} | 2026-03-31 | sec_edgar |
| short_term_investments | {"unit": "JPY", "value": 182030000, "concept": "us-gaap:ShortTermInvestments"} | 2025-03-31 | sec_edgar |
| short_term_investments | {"unit": "JPY", "value": 38801000, "concept": "us-gaap:ShortTermInvestments"} | 2024-03-31 | sec_edgar |
| stockholders_equity | {"unit": "JPY", "value": 4215259000, "concept": "us-gaap:StockholdersEquity"} | 2026-03-31 | sec_edgar |
| stockholders_equity | {"unit": "JPY", "value": 3517219000, "concept": "us-gaap:StockholdersEquity"} | 2025-03-31 | sec_edgar |
| stockholders_equity | {"unit": "JPY", "value": 1762817000, "concept": "us-gaap:StockholdersEquity"} | 2024-03-31 | sec_edgar |
| stockholders_equity | {"unit": "JPY", "value": 1176483000, "concept": "us-gaap:StockholdersEquity"} | 2023-03-31 | sec_edgar |
| stockholders_equity | {"unit": "JPY", "value": 517330000, "concept": "us-gaap:StockholdersEquity"} | 2022-03-31 | sec_edgar |
| total_assets | {"unit": "JPY", "value": 26956895000, "concept": "us-gaap:Assets"} | 2026-03-31 | sec_edgar |
| total_assets | {"unit": "JPY", "value": 22484188000, "concept": "us-gaap:Assets"} | 2025-03-31 | sec_edgar |
| total_assets | {"unit": "JPY", "value": 21210268000, "concept": "us-gaap:Assets"} | 2024-03-31 | sec_edgar |
| total_assets | {"unit": "JPY", "value": 18298284000, "concept": "us-gaap:Assets"} | 2023-03-31 | sec_edgar |
| total_liabilities | {"unit": "JPY", "value": 22741636000, "concept": "us-gaap:Liabilities"} | 2026-03-31 | sec_edgar |
| total_liabilities | {"unit": "JPY", "value": 18966969000, "concept": "us-gaap:Liabilities"} | 2025-03-31 | sec_edgar |
| total_liabilities | {"unit": "JPY", "value": 19447451000, "concept": "us-gaap:Liabilities"} | 2024-03-31 | sec_edgar |
| total_liabilities_and_equity | {"unit": "JPY", "value": 26956895000, "concept": "us-gaap:LiabilitiesAndStockholdersEquity | 2026-03-31 | sec_edgar |
| total_liabilities_and_equity | {"unit": "JPY", "value": 22484188000, "concept": "us-gaap:LiabilitiesAndStockholdersEquity | 2025-03-31 | sec_edgar |
| total_liabilities_and_equity | {"unit": "JPY", "value": 21210268000, "concept": "us-gaap:LiabilitiesAndStockholdersEquity | 2024-03-31 | sec_edgar |
| treasury_stock_value | {"unit": "JPY", "value": 4761000, "concept": "us-gaap:TreasuryStockValue"} | 2026-03-31 | sec_edgar |
| treasury_stock_value | {"unit": "JPY", "value": 2539000, "concept": "us-gaap:TreasuryStockValue"} | 2025-03-31 | sec_edgar |
| treasury_stock_value | {"unit": "JPY", "value": 2539000, "concept": "us-gaap:TreasuryStockValue"} | 2024-03-31 | sec_edgar |
| xbrl:AccountsPayableCurrent | {"unit": "JPY", "value": 338534000} | 2026-03-31 | sec_edgar |
| xbrl:AccountsPayableCurrent | {"unit": "JPY", "value": 597708000} | 2025-03-31 | sec_edgar |
| xbrl:AccountsPayableCurrent | {"unit": "JPY", "value": 306153000} | 2024-03-31 | sec_edgar |
| xbrl:AccountsReceivableGrossCurrent | {"unit": "JPY", "value": 144498000} | 2026-03-31 | sec_edgar |
| xbrl:AccountsReceivableGrossCurrent | {"unit": "JPY", "value": 135386000} | 2025-03-31 | sec_edgar |
| xbrl:AccountsReceivableGrossCurrent | {"unit": "JPY", "value": 181450000} | 2024-03-31 | sec_edgar |
| xbrl:AccountsReceivableNetCurrent | {"unit": "JPY", "value": 161247000} | 2026-03-31 | sec_edgar |
| xbrl:AccountsReceivableNetCurrent | {"unit": "JPY", "value": 138373000} | 2025-03-31 | sec_edgar |
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