CIK 0001888980
| Fakt | Wert | Zeit | Quelle |
|---|---|---|---|
| accounts_payable | {"unit": "JPY", "value": 1035712000, "concept": "us-gaap:AccountsPayableCurrent"} | 2025-06-30 | sec_edgar |
| accounts_payable | {"unit": "JPY", "value": 602013000, "concept": "us-gaap:AccountsPayableCurrent"} | 2024-06-30 | sec_edgar |
| accounts_payable | {"unit": "JPY", "value": 732722000, "concept": "us-gaap:AccountsPayableCurrent"} | 2023-06-30 | sec_edgar |
| accounts_payable | {"unit": "JPY", "value": 602435000, "concept": "us-gaap:AccountsPayableCurrent"} | 2022-06-30 | sec_edgar |
| accounts_receivable | {"unit": "JPY", "value": 38523000, "concept": "us-gaap:AccountsReceivableNetCurrent"} | 2025-06-30 | sec_edgar |
| accounts_receivable | {"unit": "JPY", "value": 22859000, "concept": "us-gaap:AccountsReceivableNetCurrent"} | 2024-06-30 | sec_edgar |
| accounts_receivable | {"unit": "JPY", "value": 6613000, "concept": "us-gaap:AccountsReceivableNetCurrent"} | 2023-06-30 | sec_edgar |
| accounts_receivable | {"unit": "JPY", "value": 261068000, "concept": "us-gaap:AccountsReceivableNetCurrent"} | 2022-06-30 | sec_edgar |
| capex | {"unit": "JPY", "value": 2521787000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAnd | 2025-06-30 | sec_edgar |
| capex | {"unit": "JPY", "value": 2221499000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAnd | 2024-06-30 | sec_edgar |
| capex | {"unit": "JPY", "value": 1250451000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAnd | 2023-06-30 | sec_edgar |
| capex | {"unit": "JPY", "value": 203983000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndE | 2022-06-30 | sec_edgar |
| capex | {"unit": "JPY", "value": 170231000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndE | 2021-06-30 | sec_edgar |
| cash_and_equivalents | {"unit": "JPY", "value": 2656860000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingV | 2025-06-30 | sec_edgar |
| cash_and_equivalents | {"unit": "JPY", "value": 1300684000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingV | 2024-06-30 | sec_edgar |
| cash_and_equivalents | {"unit": "JPY", "value": 786373000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingVa | 2023-06-30 | sec_edgar |
| cash_and_equivalents | {"unit": "JPY", "value": 403108000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingVa | 2022-06-30 | sec_edgar |
| cash_and_restricted_cash | {"unit": "JPY", "value": 2656860000, "concept": "us-gaap:CashCashEquivalentsRestrictedCash | 2025-06-30 | sec_edgar |
| cash_and_restricted_cash | {"unit": "JPY", "value": 1300684000, "concept": "us-gaap:CashCashEquivalentsRestrictedCash | 2024-06-30 | sec_edgar |
| cash_and_restricted_cash | {"unit": "JPY", "value": 786373000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashA | 2023-06-30 | sec_edgar |
| cash_and_restricted_cash | {"unit": "JPY", "value": 403108000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashA | 2022-06-30 | sec_edgar |
| cash_and_restricted_cash | {"unit": "JPY", "value": 480322000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashA | 2021-06-30 | sec_edgar |
| cash_and_restricted_cash | {"unit": "JPY", "value": 329535000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashA | 2020-06-30 | sec_edgar |
| cashflow_financing | {"unit": "JPY", "value": 695755000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingAc | 2025-06-30 | sec_edgar |
| cashflow_financing | {"unit": "JPY", "value": 1176573000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingA | 2024-06-30 | sec_edgar |
| cashflow_financing | {"unit": "JPY", "value": 2554531000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingA | 2023-06-30 | sec_edgar |
| cashflow_financing | {"unit": "JPY", "value": 2720752000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingA | 2022-06-30 | sec_edgar |
| cashflow_financing | {"unit": "JPY", "value": 555604000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingAc | 2021-06-30 | sec_edgar |
| cashflow_investing | {"unit": "JPY", "value": -2621797000, "concept": "us-gaap:NetCashProvidedByUsedInInvesting | 2025-06-30 | sec_edgar |
| cashflow_investing | {"unit": "JPY", "value": -2243061000, "concept": "us-gaap:NetCashProvidedByUsedInInvesting | 2024-06-30 | sec_edgar |
| cashflow_investing | {"unit": "JPY", "value": -1256039000, "concept": "us-gaap:NetCashProvidedByUsedInInvesting | 2023-06-30 | sec_edgar |
| cashflow_investing | {"unit": "JPY", "value": -216133000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingA | 2022-06-30 | sec_edgar |
| cashflow_investing | {"unit": "JPY", "value": -160433000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingA | 2021-06-30 | sec_edgar |
| cashflow_operating | {"unit": "JPY", "value": 3313098000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingA | 2025-06-30 | sec_edgar |
| cashflow_operating | {"unit": "JPY", "value": 1571895000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingA | 2024-06-30 | sec_edgar |
| cashflow_operating | {"unit": "JPY", "value": -919637000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingA | 2023-06-30 | sec_edgar |
| cashflow_operating | {"unit": "JPY", "value": -2598278000, "concept": "us-gaap:NetCashProvidedByUsedInOperating | 2022-06-30 | sec_edgar |
| cashflow_operating | {"unit": "JPY", "value": -244655000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingA | 2021-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 15628000, "concept": "us-gaap:CommonStockSharesIssued"} | 2025-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 15628000, "concept": "us-gaap:CommonStockSharesIssued"} | 2024-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 14485000, "concept": "us-gaap:CommonStockSharesIssued"} | 2023-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 14485000, "concept": "us-gaap:CommonStockSharesIssued"} | 2022-06-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 13641900, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2025-06-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 13641900, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2024-06-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 12498900, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2023-06-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 12498900, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2022-06-30 | sec_edgar |
| current_assets | {"unit": "JPY", "value": 13353121000, "concept": "us-gaap:AssetsCurrent"} | 2025-06-30 | sec_edgar |
| current_assets | {"unit": "JPY", "value": 11321686000, "concept": "us-gaap:AssetsCurrent"} | 2024-06-30 | sec_edgar |
| current_assets | {"unit": "JPY", "value": 11918581000, "concept": "us-gaap:AssetsCurrent"} | 2023-06-30 | sec_edgar |
| current_assets | {"unit": "JPY", "value": 9775997000, "concept": "us-gaap:AssetsCurrent"} | 2022-06-30 | sec_edgar |
| current_liabilities | {"unit": "JPY", "value": 9939034000, "concept": "us-gaap:LiabilitiesCurrent"} | 2025-06-30 | sec_edgar |
| current_liabilities | {"unit": "JPY", "value": 7972247000, "concept": "us-gaap:LiabilitiesCurrent"} | 2024-06-30 | sec_edgar |
| current_liabilities | {"unit": "JPY", "value": 7123973000, "concept": "us-gaap:LiabilitiesCurrent"} | 2023-06-30 | sec_edgar |
| current_liabilities | {"unit": "JPY", "value": 7612875000, "concept": "us-gaap:LiabilitiesCurrent"} | 2022-06-30 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 13641900} | 2025-06-30 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 13641900} | 2024-06-30 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 13641900} | 2023-06-30 | sec_edgar |
| depreciation_amortization | {"unit": "JPY", "value": 110448000, "concept": "us-gaap:DepreciationDepletionAndAmortizati | 2025-06-30 | sec_edgar |
| depreciation_amortization | {"unit": "JPY", "value": 102713000, "concept": "us-gaap:DepreciationDepletionAndAmortizati | 2024-06-30 | sec_edgar |
| depreciation_amortization | {"unit": "JPY", "value": 82865000, "concept": "us-gaap:DepreciationDepletionAndAmortizatio | 2023-06-30 | sec_edgar |
| depreciation_amortization | {"unit": "JPY", "value": 43359000, "concept": "us-gaap:DepreciationDepletionAndAmortizatio | 2022-06-30 | sec_edgar |
| depreciation_amortization | {"unit": "JPY", "value": 37326000, "concept": "us-gaap:DepreciationDepletionAndAmortizatio | 2021-06-30 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 3, "concept": "us-gaap:CommonStockDividendsPerShareDeclared", | 2025-06-30 | sec_edgar |
| dividend_per_share | {"per": "shares", "amount": 2, "concept": "us-gaap:CommonStockDividendsPerShareDeclared", | 2024-06-30 | sec_edgar |
| dividends_paid | {"unit": "JPY", "value": 40926000, "concept": "us-gaap:PaymentsOfDividendsCommonStock"} | 2025-06-30 | sec_edgar |
| dividends_paid | {"unit": "JPY", "value": 24998000, "concept": "us-gaap:PaymentsOfDividendsCommonStock"} | 2024-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 62.07, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2025-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 46.93, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2024-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 48.96, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2023-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 44.15, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2022-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 22.3, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2021-06-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 62.07, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2025-06-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 46.93, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2024-06-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 48.96, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2023-06-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 44.15, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2022-06-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 22.3, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2021-06-30 | sec_edgar |
| income_tax_expense | {"unit": "JPY", "value": 548331000, "concept": "us-gaap:IncomeTaxExpenseBenefit"} | 2025-06-30 | sec_edgar |
| income_tax_expense | {"unit": "JPY", "value": 327869000, "concept": "us-gaap:IncomeTaxExpenseBenefit"} | 2024-06-30 | sec_edgar |
| income_tax_expense | {"unit": "JPY", "value": 317418000, "concept": "us-gaap:IncomeTaxExpenseBenefit"} | 2023-06-30 | sec_edgar |
| income_tax_expense | {"unit": "JPY", "value": 286919000, "concept": "us-gaap:IncomeTaxExpenseBenefit"} | 2022-06-30 | sec_edgar |
| income_tax_expense | {"unit": "JPY", "value": 134869000, "concept": "us-gaap:IncomeTaxExpenseBenefit"} | 2021-06-30 | sec_edgar |
| industry_sic | {"code": "1531", "scheme": "SIC", "description": "Operative Builders"} | sec_edgar | |
| interest_expense | {"unit": "JPY", "value": 44544000, "concept": "us-gaap:InterestExpenseNonoperating"} | 2025-06-30 | sec_edgar |
| interest_expense | {"unit": "JPY", "value": 18286000, "concept": "us-gaap:InterestExpenseNonoperating"} | 2024-06-30 | sec_edgar |
| interest_expense | {"unit": "JPY", "value": 16731000, "concept": "us-gaap:InterestExpenseNonoperating"} | 2023-06-30 | sec_edgar |
| interest_expense | {"unit": "JPY", "value": 23333000, "concept": "us-gaap:InterestExpenseNonoperating"} | 2022-06-30 | sec_edgar |
| interest_expense | {"unit": "JPY", "value": 56650000, "concept": "us-gaap:InterestExpense"} | 2021-06-30 | sec_edgar |
| net_income | {"unit": "JPY", "value": 846784000, "concept": "us-gaap:NetIncomeLoss"} | 2025-06-30 | sec_edgar |
| net_income | {"unit": "JPY", "value": 626959000, "concept": "us-gaap:NetIncomeLoss"} | 2024-06-30 | sec_edgar |
| net_income | {"unit": "JPY", "value": 611918000, "concept": "us-gaap:NetIncomeLoss"} | 2023-06-30 | sec_edgar |
| net_income | {"unit": "JPY", "value": 551622000, "concept": "us-gaap:NetIncomeLoss"} | 2022-06-30 | sec_edgar |
| net_income | {"unit": "JPY", "value": 279490000, "concept": "us-gaap:NetIncomeLoss"} | 2021-06-30 | sec_edgar |
| operating_expenses | {"unit": "JPY", "value": 17367682000, "concept": "us-gaap:OperatingExpenses"} | 2025-06-30 | sec_edgar |
| operating_expenses | {"unit": "JPY", "value": 18052117000, "concept": "us-gaap:OperatingExpenses"} | 2024-06-30 | sec_edgar |
| operating_expenses | {"unit": "JPY", "value": 16475973000, "concept": "us-gaap:OperatingExpenses"} | 2023-06-30 | sec_edgar |
| operating_expenses | {"unit": "JPY", "value": 13799914000, "concept": "us-gaap:OperatingExpenses"} | 2022-06-30 | sec_edgar |
| operating_expenses | {"unit": "JPY", "value": 10801628000, "concept": "us-gaap:OperatingExpenses"} | 2021-06-30 | sec_edgar |
| operating_income | {"unit": "JPY", "value": 1474981000, "concept": "us-gaap:OperatingIncomeLoss"} | 2025-06-30 | sec_edgar |
| operating_income | {"unit": "JPY", "value": 898566000, "concept": "us-gaap:OperatingIncomeLoss"} | 2024-06-30 | sec_edgar |
| operating_income | {"unit": "JPY", "value": 939275000, "concept": "us-gaap:OperatingIncomeLoss"} | 2023-06-30 | sec_edgar |
| operating_income | {"unit": "JPY", "value": 887100000, "concept": "us-gaap:OperatingIncomeLoss"} | 2022-06-30 | sec_edgar |
| operating_income | {"unit": "JPY", "value": 453647000, "concept": "us-gaap:OperatingIncomeLoss"} | 2021-06-30 | sec_edgar |
| operating_lease_liability | {"unit": "JPY", "value": 823275000, "concept": "us-gaap:OperatingLeaseLiability"} | 2025-06-30 | sec_edgar |
| operating_lease_liability | {"unit": "JPY", "value": 159409000, "concept": "us-gaap:OperatingLeaseLiability"} | 2024-06-30 | sec_edgar |
| operating_lease_liability | {"unit": "JPY", "value": 206170000, "concept": "us-gaap:OperatingLeaseLiability"} | 2023-06-30 | sec_edgar |
| operating_lease_liability | {"unit": "JPY", "value": 206920000, "concept": "us-gaap:OperatingLeaseLiability"} | 2022-06-30 | sec_edgar |
| ppe_net | {"unit": "JPY", "value": 3236291000, "concept": "us-gaap:PropertyPlantAndEquipmentNet"} | 2023-06-30 | sec_edgar |
| ppe_net | {"unit": "JPY", "value": 2049056000, "concept": "us-gaap:PropertyPlantAndEquipmentNet"} | 2022-06-30 | sec_edgar |
| pretax_income | {"unit": "JPY", "value": 1394556000, "concept": "us-gaap:IncomeLossFromContinuingOperation | 2025-06-30 | sec_edgar |
| pretax_income | {"unit": "JPY", "value": 954039000, "concept": "us-gaap:IncomeLossFromContinuingOperations | 2024-06-30 | sec_edgar |
| pretax_income | {"unit": "JPY", "value": 928812000, "concept": "us-gaap:IncomeLossFromContinuingOperations | 2023-06-30 | sec_edgar |
| pretax_income | {"unit": "JPY", "value": 838171000, "concept": "us-gaap:IncomeLossFromContinuingOperations | 2022-06-30 | sec_edgar |
| pretax_income | {"unit": "JPY", "value": 387227000, "concept": "us-gaap:IncomeLossFromContinuingOperations | 2021-06-30 | sec_edgar |
| profit_loss | {"unit": "JPY", "value": 846225000, "concept": "us-gaap:ProfitLoss"} | 2025-06-30 | sec_edgar |
| profit_loss | {"unit": "JPY", "value": 626170000, "concept": "us-gaap:ProfitLoss"} | 2024-06-30 | sec_edgar |
| profit_loss | {"unit": "JPY", "value": 611394000, "concept": "us-gaap:ProfitLoss"} | 2023-06-30 | sec_edgar |
| profit_loss | {"unit": "JPY", "value": 551252000, "concept": "us-gaap:ProfitLoss"} | 2022-06-30 | sec_edgar |
| profit_loss | {"unit": "JPY", "value": 252358000, "concept": "us-gaap:ProfitLoss"} | 2021-06-30 | sec_edgar |
| retained_earnings | {"unit": "JPY", "value": 3965673000, "concept": "us-gaap:RetainedEarningsAccumulatedDefici | 2025-06-30 | sec_edgar |
| retained_earnings | {"unit": "JPY", "value": 3159815000, "concept": "us-gaap:RetainedEarningsAccumulatedDefici | 2024-06-30 | sec_edgar |
| retained_earnings | {"unit": "JPY", "value": 2557854000, "concept": "us-gaap:RetainedEarningsAccumulatedDefici | 2023-06-30 | sec_edgar |
| retained_earnings | {"unit": "JPY", "value": 2001048000, "concept": "us-gaap:RetainedEarningsAccumulatedDefici | 2022-06-30 | sec_edgar |
| revenue | {"unit": "JPY", "value": 18842663000, "concept": "us-gaap:RevenueFromContractWithCustomerE | 2025-06-30 | sec_edgar |
| revenue | {"unit": "JPY", "value": 18950683000, "concept": "us-gaap:RevenueFromContractWithCustomerE | 2024-06-30 | sec_edgar |
| revenue | {"unit": "JPY", "value": 17415248000, "concept": "us-gaap:RevenueFromContractWithCustomerE | 2023-06-30 | sec_edgar |
| revenue | {"unit": "JPY", "value": 14687014000, "concept": "us-gaap:RevenueFromContractWithCustomerE | 2022-06-30 | sec_edgar |
| revenue | {"unit": "JPY", "value": 11255275000, "concept": "us-gaap:RevenueFromContractWithCustomerE | 2021-06-30 | sec_edgar |
| sga_expense | {"unit": "JPY", "value": 2253653000, "concept": "us-gaap:SellingGeneralAndAdministrativeEx | 2025-06-30 | sec_edgar |
| sga_expense | {"unit": "JPY", "value": 2051040000, "concept": "us-gaap:SellingGeneralAndAdministrativeEx | 2024-06-30 | sec_edgar |
| sga_expense | {"unit": "JPY", "value": 1817970000, "concept": "us-gaap:SellingGeneralAndAdministrativeEx | 2023-06-30 | sec_edgar |
| sga_expense | {"unit": "JPY", "value": 1704042000, "concept": "us-gaap:SellingGeneralAndAdministrativeEx | 2022-06-30 | sec_edgar |
| sga_expense | {"unit": "JPY", "value": 1033402000, "concept": "us-gaap:SellingGeneralAndAdministrativeEx | 2021-06-30 | sec_edgar |
| shares_wavg_basic | {"unit": "shares", "value": 13641900, "concept": "us-gaap:WeightedAverageNumberOfSharesOut | 2025-06-30 | sec_edgar |
| shares_wavg_basic | {"unit": "shares", "value": 13360834, "concept": "us-gaap:WeightedAverageNumberOfSharesOut | 2024-06-30 | sec_edgar |
| shares_wavg_basic | {"unit": "shares", "value": 12498900, "concept": "us-gaap:WeightedAverageNumberOfSharesOut | 2023-06-30 | sec_edgar |
| shares_wavg_basic | {"unit": "shares", "value": 12495486, "concept": "us-gaap:WeightedAverageNumberOfSharesOut | 2022-06-30 | sec_edgar |
| shares_wavg_basic | {"unit": "shares", "value": 12485000, "concept": "us-gaap:WeightedAverageNumberOfSharesOut | 2021-06-30 | sec_edgar |
| shares_wavg_diluted | {"unit": "shares", "value": 13641900, "concept": "us-gaap:WeightedAverageNumberOfDilutedSh | 2025-06-30 | sec_edgar |
| shares_wavg_diluted | {"unit": "shares", "value": 13360834, "concept": "us-gaap:WeightedAverageNumberOfDilutedSh | 2024-06-30 | sec_edgar |
| shares_wavg_diluted | {"unit": "shares", "value": 12498900, "concept": "us-gaap:WeightedAverageNumberOfDilutedSh | 2023-06-30 | sec_edgar |
| shares_wavg_diluted | {"unit": "shares", "value": 12495486, "concept": "us-gaap:WeightedAverageNumberOfDilutedSh | 2022-06-30 | sec_edgar |
| shares_wavg_diluted | {"unit": "shares", "value": 12485000, "concept": "us-gaap:WeightedAverageNumberOfDilutedSh | 2021-06-30 | sec_edgar |
| total_assets | {"unit": "JPY", "value": 20479834000, "concept": "us-gaap:Assets"} | 2025-06-30 | sec_edgar |
| total_assets | {"unit": "JPY", "value": 17217364000, "concept": "us-gaap:Assets"} | 2024-06-30 | sec_edgar |
| total_assets | {"unit": "JPY", "value": 15736122000, "concept": "us-gaap:Assets"} | 2023-06-30 | sec_edgar |
| total_assets | {"unit": "JPY", "value": 12416743000, "concept": "us-gaap:Assets"} | 2022-06-30 | sec_edgar |
| total_equity | {"unit": "JPY", "value": 5030713000, "concept": "us-gaap:StockholdersEquityIncludingPortio | 2025-06-30 | sec_edgar |
| total_equity | {"unit": "JPY", "value": 4237368000, "concept": "us-gaap:StockholdersEquityIncludingPortio | 2024-06-30 | sec_edgar |
| total_equity | {"unit": "JPY", "value": 2763064000, "concept": "us-gaap:StockholdersEquityIncludingPortio | 2023-06-30 | sec_edgar |
| total_equity | {"unit": "JPY", "value": 2146429000, "concept": "us-gaap:StockholdersEquityIncludingPortio | 2022-06-30 | sec_edgar |
| total_equity | {"unit": "JPY", "value": 1560818000, "concept": "us-gaap:StockholdersEquityIncludingPortio | 2021-06-30 | sec_edgar |
| total_equity | {"unit": "JPY", "value": 1287028000, "concept": "us-gaap:StockholdersEquityIncludingPortio | 2020-06-30 | sec_edgar |
| total_liabilities | {"unit": "JPY", "value": 15449121000, "concept": "us-gaap:Liabilities"} | 2025-06-30 | sec_edgar |
| total_liabilities | {"unit": "JPY", "value": 12979996000, "concept": "us-gaap:Liabilities"} | 2024-06-30 | sec_edgar |
| total_liabilities | {"unit": "JPY", "value": 12973058000, "concept": "us-gaap:Liabilities"} | 2023-06-30 | sec_edgar |
| total_liabilities | {"unit": "JPY", "value": 10215676000, "concept": "us-gaap:Liabilities"} | 2022-06-30 | sec_edgar |
| total_liabilities_and_equity | {"unit": "JPY", "value": 20479834000, "concept": "us-gaap:LiabilitiesAndStockholdersEquity | 2025-06-30 | sec_edgar |
| total_liabilities_and_equity | {"unit": "JPY", "value": 17217364000, "concept": "us-gaap:LiabilitiesAndStockholdersEquity | 2024-06-30 | sec_edgar |
| total_liabilities_and_equity | {"unit": "JPY", "value": 15736122000, "concept": "us-gaap:LiabilitiesAndStockholdersEquity | 2023-06-30 | sec_edgar |
| total_liabilities_and_equity | {"unit": "JPY", "value": 12416743000, "concept": "us-gaap:LiabilitiesAndStockholdersEquity | 2022-06-30 | sec_edgar |
| xbrl:AccountsPayableCurrent | {"unit": "JPY", "value": 1035712000} | 2025-06-30 | sec_edgar |
| xbrl:AccountsPayableCurrent | {"unit": "JPY", "value": 602013000} | 2024-06-30 | sec_edgar |
| xbrl:AccountsPayableCurrent | {"unit": "JPY", "value": 732722000} | 2023-06-30 | sec_edgar |
| xbrl:AccountsPayableCurrent | {"unit": "JPY", "value": 602435000} | 2022-06-30 | sec_edgar |
| xbrl:AccountsReceivableNetCurrent | {"unit": "JPY", "value": 38523000} | 2025-06-30 | sec_edgar |
| xbrl:AccountsReceivableNetCurrent | {"unit": "JPY", "value": 22859000} | 2024-06-30 | sec_edgar |
| xbrl:AccountsReceivableNetCurrent | {"unit": "JPY", "value": 6613000} | 2023-06-30 | sec_edgar |
| xbrl:AccountsReceivableNetCurrent | {"unit": "JPY", "value": 261068000} | 2022-06-30 | sec_edgar |
| xbrl:AccruedIncomeTaxesCurrent | {"unit": "JPY", "value": 439303000} | 2025-06-30 | sec_edgar |
| xbrl:AccruedIncomeTaxesCurrent | {"unit": "JPY", "value": 169035000} | 2024-06-30 | sec_edgar |
| xbrl:AccruedIncomeTaxesCurrent | {"unit": "JPY", "value": 190453000} | 2023-06-30 | sec_edgar |
| xbrl:AccruedIncomeTaxesCurrent | {"unit": "JPY", "value": 241245000} | 2022-06-30 | sec_edgar |
| xbrl:AccruedLiabilitiesAndOtherLiabilities | {"unit": "JPY", "value": 764920000} | 2025-06-30 | sec_edgar |
| xbrl:AccruedLiabilitiesAndOtherLiabilities | {"unit": "JPY", "value": 356856000} | 2024-06-30 | sec_edgar |
| xbrl:AccruedLiabilitiesAndOtherLiabilities | {"unit": "JPY", "value": 355164000} | 2023-06-30 | sec_edgar |
| xbrl:AccruedVacationCurrent | {"unit": "JPY", "value": 7142000} | 2025-06-30 | sec_edgar |
| xbrl:AccruedVacationCurrent | {"unit": "JPY", "value": 6320000} | 2024-06-30 | sec_edgar |
| xbrl:AccruedVacationCurrent | {"unit": "JPY", "value": 3442000} | 2023-06-30 | sec_edgar |
| xbrl:AccruedVacationCurrent | {"unit": "JPY", "value": 1561000} | 2022-06-30 | sec_edgar |
| xbrl:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment | {"unit": "JPY", "value": 166145000} | 2023-06-30 | sec_edgar |
| xbrl:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment | {"unit": "JPY", "value": 107752000} | 2022-06-30 | sec_edgar |
| xbrl:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax | {"unit": "JPY", "value": 20562000} | 2025-06-30 | sec_edgar |
| xbrl:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax | {"unit": "JPY", "value": 32467000} | 2024-06-30 | sec_edgar |
| xbrl:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax | {"unit": "JPY", "value": 21955000} | 2023-06-30 | sec_edgar |
| xbrl:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax | {"unit": "JPY", "value": 16239000} | 2022-06-30 | sec_edgar |
| xbrl:AllowanceForDoubtfulAccountsReceivableCurrent | {"unit": "JPY", "value": 1200000} | 2024-06-30 | sec_edgar |
| xbrl:AllowanceForDoubtfulAccountsReceivableCurrent | {"unit": "JPY", "value": 6009000} | 2023-06-30 | sec_edgar |
| xbrl:AllowanceForDoubtfulAccountsReceivableCurrent | {"unit": "JPY", "value": 1200000} | 2022-06-30 | sec_edgar |
| xbrl:AssetImpairmentCharges | {"unit": "JPY", "value": 0} | 2024-06-30 | sec_edgar |
| xbrl:AssetImpairmentCharges | {"unit": "JPY", "value": 0} | 2023-06-30 | sec_edgar |
| xbrl:AssetImpairmentCharges | {"unit": "JPY", "value": 0} | 2022-06-30 | sec_edgar |
| xbrl:AssetImpairmentCharges | {"unit": "JPY", "value": 0} | 2021-06-30 | sec_edgar |
| xbrl:Assets | {"unit": "JPY", "value": 20479834000} | 2025-06-30 | sec_edgar |
| xbrl:Assets | {"unit": "JPY", "value": 17217364000} | 2024-06-30 | sec_edgar |
| xbrl:Assets | {"unit": "JPY", "value": 15736122000} | 2023-06-30 | sec_edgar |
| xbrl:Assets | {"unit": "JPY", "value": 12416743000} | 2022-06-30 | sec_edgar |
| xbrl:AssetsCurrent | {"unit": "JPY", "value": 13353121000} | 2025-06-30 | sec_edgar |
| xbrl:AssetsCurrent | {"unit": "JPY", "value": 11321686000} | 2024-06-30 | sec_edgar |
| xbrl:AssetsCurrent | {"unit": "JPY", "value": 11918581000} | 2023-06-30 | sec_edgar |
| xbrl:AssetsCurrent | {"unit": "JPY", "value": 9775997000} | 2022-06-30 | sec_edgar |