{
  "timeline": [
    {
      "date": "1979/11",
      "category": "会社設立",
      "region": "",
      "importance": 2,
      "event": "株式会社蘭豆設立（旧社名あっぷるでーと、1987年12月商号変更）",
      "detail": "形式上の存続会社として群馬県伊勢崎市で設立",
      "significance": "法人格上の起点",
      "source": "有価証券報告書"
    },
    {
      "date": "1982/8",
      "category": "会社設立",
      "region": "",
      "importance": 3,
      "event": "株式会社ワークマン設立",
      "detail": "作業服及び作業用品の専門小売業を目的に群馬県伊勢崎市で実質上の存続会社として設立",
      "significance": "事業実体としての創業起点",
      "source": "有価証券報告書"
    },
    {
      "date": "1982/9",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "流通センターを群馬県高崎市に開設",
      "detail": "",
      "significance": "物流インフラの起点",
      "source": "有価証券報告書"
    },
    {
      "date": "1988/3",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "山形県酒田市に100号店を開店",
      "detail": "酒田バイパス店",
      "significance": "3桁店舗達成",
      "source": "有価証券報告書",
      "amount": "100店"
    },
    {
      "date": "1994/4",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "株式会社蘭豆を形式上の存続会社として合併し商号を株式会社ワークマンへ変更",
      "detail": "",
      "significance": "法人格を実質と一致させる組織再編",
      "source": "有価証券報告書"
    },
    {
      "date": "1997/9",
      "category": "株式上場",
      "region": "",
      "importance": 2,
      "event": "日本証券業協会に株式を店頭登録",
      "detail": "",
      "significance": "公開市場入り",
      "source": "有価証券報告書"
    },
    {
      "date": "2000/11",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "奈良県大和郡山市に500号店を開店",
      "detail": "大和郡山店",
      "significance": "西日本展開の節目",
      "source": "有価証券報告書",
      "amount": "500店"
    },
    {
      "date": "2004/12",
      "category": "株式上場",
      "region": "",
      "importance": 2,
      "event": "日本証券業協会への店頭登録を取消し、ジャスダック証券取引所に株式を上場",
      "detail": "",
      "significance": "JASDAQ市場への移行",
      "source": "有価証券報告書"
    },
    {
      "date": "2010/4",
      "category": "株式上場",
      "region": "",
      "importance": 1,
      "event": "大阪証券取引所JASDAQに上場",
      "detail": "JASDAQ証券取引所と大阪証券取引所の合併に伴う",
      "significance": "市場再編対応",
      "source": "有価証券報告書"
    },
    {
      "date": "2011/7",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "竜王流通センターを新設（滋賀県蒲生郡竜王町）",
      "detail": "",
      "significance": "西日本物流拠点の確立",
      "source": "有価証券報告書"
    },
    {
      "date": "2011/7",
      "category": "株式上場",
      "region": "",
      "importance": 1,
      "event": "東京証券取引所JASDAQ（スタンダード）に上場",
      "detail": "東京・大阪証券取引所統合に伴う",
      "significance": "JASDAQ市場の東京移管",
      "source": "有価証券報告書"
    },
    {
      "date": "2020/10",
      "category": "新規事業",
      "region": "",
      "importance": 3,
      "event": "神奈川県横浜市に＃ワークマン女子１号店を開店",
      "detail": "コレットマーレ店",
      "significance": "女性向け業態への参入で顧客層拡大",
      "source": "有価証券報告書",
      "amount": "1号店"
    },
    {
      "date": "2020/11",
      "category": "設備投資",
      "region": "",
      "importance": 2,
      "event": "全国47都道府県へ出店達成",
      "detail": "宮崎県都城市の都城上川東店開店",
      "significance": "全国網完成の節目",
      "source": "有価証券報告書",
      "amount": "47都道府県"
    },
    {
      "date": "2022/4",
      "category": "株主対応",
      "region": "",
      "importance": 1,
      "event": "東京証券取引所スタンダード市場へ移行",
      "detail": "JASDAQ（スタンダード）からの移行",
      "significance": "東証再編対応",
      "source": "有価証券報告書"
    },
    {
      "date": "2023/9",
      "category": "設備投資|新規事業",
      "region": "",
      "importance": 3,
      "event": "営業店舗数1",
      "detail": "000店舗達成かつワークマンカラーズ1号店を開店",
      "significance": "1000店",
      "source": "4桁店舗到達と新業態並走の節目",
      "amount": "そよら東岸和田店で1000店舗達成、銀座にカラーズ1号店"
    }
  ]
}