{
  "timeline": [
    {
      "date": "2008/12",
      "category": "会社設立",
      "region": "",
      "importance": 3,
      "event": "株式会社STUDIOUSを設立",
      "detail": "谷正人が資本金300万円で創業",
      "significance": "メイドインジャパン高感度セレクトショップ業態の起点",
      "source": "有価証券報告書",
      "amount": "資本金300万円"
    },
    {
      "date": "2009/3",
      "category": "新規事業",
      "region": "",
      "importance": 3,
      "event": "デイトナ・インターナショナルからSTUDIOUS原宿本店およびオンラインストアを譲受しSTUDIOUS事業開始",
      "detail": "既存セレクトショップ事業を譲り受けて運営開始",
      "significance": "STUDIOUS事業の事実上の本格スタート",
      "source": "有価証券報告書"
    },
    {
      "date": "2010/3",
      "category": "企業買収",
      "region": "",
      "importance": 1,
      "event": "デイトナ・インターナショナルからSTUDIOUS新宿店を譲受し全店舗取得を完了",
      "detail": "",
      "significance": "STUDIOUS事業譲受の完了",
      "source": "有価証券報告書"
    },
    {
      "date": "2015/3",
      "category": "新規事業",
      "region": "",
      "importance": 3,
      "event": "UNITED TOKYO業態を開始",
      "detail": "セレクトショップから自社オリジナルブランドへの転換を象徴する新業態",
      "significance": "SPA型自社ブランド展開の起点。STUDIOUSと並ぶ二本柱への布石",
      "source": "有価証券報告書"
    },
    {
      "date": "2015/9",
      "category": "株式上場",
      "region": "",
      "importance": 3,
      "event": "東京証券取引所マザーズ市場に株式を上場",
      "detail": "設立7年で新興市場上場を実現",
      "significance": "公開企業として資金調達基盤を確保。創業者経営のスピード上場事例",
      "source": "有価証券報告書"
    },
    {
      "date": "2016/6",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "商号を株式会社TOKYO BASEに変更",
      "detail": "STUDIOUS から持株会社的な社名へ",
      "significance": "複数業態を展開する企業体としての社名へ",
      "source": "有価証券報告書"
    },
    {
      "date": "2016/9",
      "category": "海外進出|組織再編",
      "region": "中国",
      "importance": 2,
      "event": "香港に100%子会社TOKYO BASE HONG KONG.",
      "detail": "Ltd.を設立",
      "significance": "",
      "source": "中華圏進出の起点",
      "amount": "中華圏進出の前線拠点"
    },
    {
      "date": "2017/2",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "東京証券取引所市場第一部に上場市場を変更",
      "detail": "マザーズから市場第一部へステップアップ上場",
      "significance": "上場2年弱で市場第一部入りを実現",
      "source": "有価証券報告書"
    },
    {
      "date": "2018/9",
      "category": "新規事業",
      "region": "",
      "importance": 2,
      "event": "PUBLIC TOKYO業態を開始",
      "detail": "新業態の追加投入",
      "significance": "業態ポートフォリオの拡大",
      "source": "有価証券報告書"
    },
    {
      "date": "2019/3",
      "category": "海外進出|組織再編",
      "region": "中国",
      "importance": 2,
      "event": "中国本土に東百国際貿易（上海）有限公司を設立",
      "detail": "香港子会社の100%子会社として中国本土法人を設置",
      "significance": "中国本土進出の制度的基盤",
      "source": "有価証券報告書"
    },
    {
      "date": "2019/8",
      "category": "海外進出|設備投資",
      "region": "中国",
      "importance": 3,
      "event": "中国本土初出店となるSTUDIOUS TOKYO上海店を上海新天地に出店",
      "detail": "上海新天地での旗艦店オープン",
      "significance": "中国本土での実店舗事業の起点。海外売上の本格化へ",
      "source": "有価証券報告書"
    },
    {
      "date": "2021/9",
      "category": "新規事業",
      "region": "",
      "importance": 1,
      "event": "A+ TOKYO業態とTHE TOKYO業態を開始",
      "detail": "新業態を相次いで投入",
      "significance": "業態の多角化継続",
      "source": "有価証券報告書"
    },
    {
      "date": "2021/11",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "本社を東京都渋谷区から港区へ移転",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/4",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "東京証券取引所プライム市場に移行",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2024/2",
      "category": "海外進出|組織再編",
      "region": "米州",
      "importance": 3,
      "event": "米国に100%子会社TOKYO BASE NEWYORK",
      "detail": "Inc.を設立",
      "significance": "",
      "source": "中華圏に続く北米進出の制度的基盤",
      "amount": "北米進出の現地法人を新設"
    },
    {
      "date": "2024/5",
      "category": "海外進出|設備投資",
      "region": "米州",
      "importance": 3,
      "event": "米国本土初出店となるSTUDIOUS TOKYO NEWYORK店をニューヨーク・ソーホーに出店",
      "detail": "ソーホー地区での米国初店舗",
      "significance": "北米事業の事実上の本格開始。グローバル展開の新たな柱",
      "source": "有価証券報告書"
    },
    {
      "date": "2024/9",
      "category": "新規事業",
      "region": "",
      "importance": 1,
      "event": "CONZ業態を開始しA+ TOKYOをCITY TOKYOに業態変更",
      "detail": "",
      "significance": "業態整理と新規投入",
      "source": "有価証券報告書"
    },
    {
      "date": "2025/2",
      "category": "海外進出|組織再編",
      "region": "その他",
      "importance": 2,
      "event": "韓国に100%子会社TOKYO BASE KOREA CO.",
      "detail": "LTD.を設立しRITAN・GOOD EDITION業態を開始",
      "significance": "",
      "source": "韓国市場進出の制度的基盤",
      "amount": "韓国法人設立と新業態投入を同時実施"
    },
    {
      "date": "2025/3",
      "category": "海外進出|設備投資",
      "region": "その他",
      "importance": 2,
      "event": "韓国初出店のSTUDIOUS TOKYO DOSAN店をソウル狎鴎亭洞に出店",
      "detail": "韓国市場での実店舗展開開始",
      "significance": "韓国事業の本格開始",
      "source": "有価証券報告書"
    },
    {
      "date": "2025/10",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "GOOD EDITIONをJAPAN EDITIONに、CITY TOKYOをCITYに名称変更",
      "detail": "業態ブランドの再整理",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2026/3",
      "category": "新規事業",
      "region": "",
      "importance": 1,
      "event": "KEY TIMEZ業態を開始",
      "detail": "",
      "significance": "業態ポートフォリオの追加",
      "source": "有価証券報告書"
    }
  ]
}