関係図 — 階層を持たない繋がりを示す

<!doctype html>
<meta charset="utf-8">
<title>関係図 — 階層を持たない繋がりを示す</title>
<meta name="dv-font" content="Zen Kaku Gothic New:400;500;700">
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  html, body { width: 1920px; height: 1080px; }
  body { font-family: "Zen Kaku Gothic New", "IPAGothic", sans-serif; }

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  .count { font-size: 15px; font-weight: 500; color: var(--muted); font-variant-numeric: tabular-nums; }
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<div class="artboard" data-artboard>
  <div class="content" data-content>
    <div class="head">
      <h1 class="title" data-type="title">この決裁に関わる 7 者</h1>
      <p class="legend" data-type="legend">太い線は週次で話す相手。細い線は報告だけの関係</p>
    </div>

    <div class="plane">
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          <path d="M832 320 L1380 130" />
          <path d="M832 320 L300 540" />
          <path d="M832 320 L1380 540" />
          <path d="M300 130 L300 540" />
          <path d="M1380 130 L1380 540" />
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          <path d="M832 320 L832 614" />
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          <path d="M832 320 L300 130" />
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      <div class="node" data-key style="left:50%; top:10.9%">
        <p class="who" data-type="who">情報システム部 部長</p>
        <p class="stance" data-type="stance">決裁者 / 現状は中立</p>
      </div>
      <div class="node" style="left:50%; top:50%">
        <p class="who">情報システム部 課長</p>
        <p class="stance">窓口 / 推進に前向き</p>
      </div>
      <div class="node" style="left:18%; top:20.3%">
        <p class="who">経理部 部長</p>
        <p class="stance">費用の承認 / 慎重</p>
      </div>
      <div class="node" style="left:82.9%; top:20.3%">
        <p class="who">製造本部 本部長</p>
        <p class="stance">停止時間に反対</p>
      </div>
      <div class="node" style="left:18%; top:84.4%">
        <p class="who">営業部 課長</p>
        <p class="stance">現場の代表 / 賛成</p>
      </div>
      <div class="node" style="left:82.9%; top:84.4%">
        <p class="who">保守ベンダー</p>
        <p class="stance">期限の当事者</p>
      </div>
      <div class="node" style="left:50%; top:96%">
        <p class="who">当社 営業担当</p>
        <p class="stance">窓口 / 週次で同席</p>
      </div>
    </div>

    <div class="foot">
      <p class="note" data-type="note">製造本部の反対は停止時間だけが理由です。ここを先に潰せば、経理部の慎重さは費用の内訳で解けます。順序を逆にすると 2 回とも説明し直しになります。</p>
      <p class="count" data-type="count">週次で話す相手 3 者 / 報告のみ 4 者</p>
    </div>
  </div>
</div>

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