E2742136750株式会社クロス・マーケティンググループCross Marketing Group Inc.企業内容等の開示に関する内閣府令第四号の三様式Japan GAAPtruecte2021-01-012021-03-31Q12021-06-302020-01-012020-03-312020-12-311falsefalsefalseE27421-0002021-05-13E27421-0002020-01-012020-03-31E27421-0002020-01-012020-12-31E27421-0002021-01-012021-03-31E27421-0002020-03-31E27421-0002020-12-31E27421-0002021-03-31E27421-0002021-05-13jpcrp_cor:OrdinaryShareMemberE27421-0002021-03-31jpcrp_cor:SharesWithNoVotingRightsMemberE27421-0002021-03-31jpcrp_cor:SharesWithRestrictedVotingRightsTreasurySharesEtcMemberE27421-0002021-03-31jpcrp_cor:SharesWithRestrictedVotingRightsOtherMemberE27421-0002021-03-31jpcrp_cor:OrdinarySharesTreasurySharesSharesWithFullVotingRightsTreasurySharesEtcMemberE27421-0002021-03-31jpcrp_cor:OrdinarySharesSharesWithFullVotingRightsOtherMemberE27421-0002021-03-31jpcrp_cor:OrdinarySharesSharesLessThanOneUnitMemberE27421-0002021-03-31jpcrp_cor:Row1MemberE27421-0002020-01-012020-03-31jpcrp040300-q1r_E27421-000:DataMarketingBusinessReportableSegmentMemberE27421-0002021-01-012021-03-31jpcrp040300-q1r_E27421-000:DataMarketingBusinessReportableSegmentMemberE27421-0002021-01-012021-03-31jpcrp040300-q1r_E27421-000:InsightBusinessReportableSegmentMemberE27421-0002020-01-012020-03-31jpcrp040300-q1r_E27421-000:InsightBusinessReportableSegmentMemberE27421-0002021-01-012021-03-31jpcrp040300-q1r_E27421-000:DigitalMarketingBusinessReportableSegmentMemberE27421-0002020-01-012020-03-31jpcrp040300-q1r_E27421-000:DigitalMarketingBusinessReportableSegmentMemberE27421-0002021-01-012021-03-31jpcrp_cor:ReportableSegmentsMemberE27421-0002020-01-012020-03-31jpcrp_cor:ReportableSegmentsMemberE27421-0002020-01-012020-03-31jpcrp_cor:ReconcilingItemsMemberE27421-0002021-01-012021-03-31jpcrp_cor:ReconcilingItemsMemberiso4217:JPYiso4217:JPYxbrli:sharesxbrli:purexbrli:shares