table {
      border-collapse: collapse;
      width: 100%;
      font-family: "Segoe UI", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
      font-size: 14px;
      background: #fff;
    }
    thead th {
      background: #f3f4f6;
      text-align: left;
      padding: 8px 12px;
      border-bottom: 2px solid #e5e7eb;
    }
    tbody td {
      padding: 8px 12px;
      border-bottom: 1px solid #e5e7eb;
      vertical-align: top;
    }
    tbody td[colspan="3"] {
      background: #e5e7eb;
      font-weight: bold;
      padding: 10px;
    }