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  "updated": "2026-10-13",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/outside-directors/matsuka-gen/",
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        "招集通知・臨時報告書（選任議案の賛成比率）"
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            "ratio": 92.34
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        "url": null,
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