{
  "spec_version": "3",
  "endpoint": "decisions",
  "stock_code": "4912",
  "company_name": "ライオン",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/4912/",
  "api_url": "/api/4912/decisions.json",
  "updated": "2026-08-05",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/4912/",
  "count": 3,
  "description": "Index of this company's management decisions. One decision = one endpoint: follow api_url for the full dossier (background, the decision itself, outcome, quoted primary sources and references).",
  "decisions": [
    {
      "slug": "1980-merger-lion-hamigaki-yushi",
      "url": "/tse/4912/decisions/1980-merger-lion-hamigaki-yushi/",
      "api_url": "/api/4912/decisions/1980-merger-lion-hamigaki-yushi.json",
      "year": 1979,
      "month": 6,
      "type": "reorganization",
      "tags": [
        "ma-merger"
      ],
      "title": "ライオン歯磨とライオン油脂の対等合併によるライオン株式会社発足",
      "subtitle": "60年間別会社だった歯磨と油脂は、対等合併で花王に迫れたか",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "1989-hair-growth-product-crisis",
      "url": "/tse/4912/decisions/1989-hair-growth-product-crisis/",
      "api_url": "/api/4912/decisions/1989-hair-growth-product-crisis.json",
      "year": 1989,
      "month": 10,
      "type": "restructuring",
      "tags": [
        "tr-scandal",
        "tr-turnaround"
      ],
      "title": "育毛剤「ペンタデカン」データねつ造事件と小林敦社長による経営危機の総括",
      "subtitle": "「寝耳に水」の不祥事に、花王との競争に敗れつつあった小林敦社長はどう向き合ったか",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "2018-2025-brand-portfolio-reform",
      "url": "/tse/4912/decisions/2018-2025-brand-portfolio-reform/",
      "api_url": "/api/4912/decisions/2018-2025-brand-portfolio-reform.json",
      "year": 2024,
      "month": 2,
      "type": "divestiture",
      "tags": [
        "pf-focus",
        "st-premium",
        "pf-exit"
      ],
      "title": "「量を追わない経営」への転換——ブランドの選択と集中",
      "subtitle": "非注力ブランドの整理から始まった路線転換を、竹森征之社長はどう体系化したか",
      "status": "implemented",
      "status_label": "実施"
    }
  ],
  "by_type": [
    {
      "key": "divestiture",
      "count": 1,
      "url": "/api/4912/decisions/by-type/divestiture.json"
    },
    {
      "key": "reorganization",
      "count": 1,
      "url": "/api/4912/decisions/by-type/reorganization.json"
    },
    {
      "key": "restructuring",
      "count": 1,
      "url": "/api/4912/decisions/by-type/restructuring.json"
    }
  ],
  "by_decade": [
    {
      "key": "1970s",
      "count": 1,
      "url": "/api/4912/decisions/by-decade/1970s.json"
    },
    {
      "key": "1980s",
      "count": 1,
      "url": "/api/4912/decisions/by-decade/1980s.json"
    },
    {
      "key": "2020s",
      "count": 1,
      "url": "/api/4912/decisions/by-decade/2020s.json"
    }
  ]
}