<table class="msr_table02">
  <thead>
    <tr>
      <th></th>
      <th>th</th>
      <th>th</th>
      <th>th</th>
      <th>th</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <th>th</th>
      <td>texttexttexttext</td>
      <td>texttexttexttext</td>
      <td>texttexttexttext</td>
      <td>texttexttexttext</td>
    </tr>
    <tr>
      <th>th</th>
      <td>texttexttexttext</td>
      <td>texttexttexttext</td>
      <td>texttexttexttext</td>
      <td>texttexttexttext</td>
    </tr>
    <tr>
      <th>th</th>
      <td>texttexttexttext</td>
      <td>texttexttexttext</td>
      <td>texttexttexttext</td>
      <td>texttexttexttext</td>
    </tr>
    <tr>
      <th>th</th>
      <td>texttexttexttext</td>
      <td>texttexttexttext</td>
      <td>texttexttexttext</td>
      <td>texttexttexttext</td>
    </tr>
  </tbody>
</table>

.msr_table02 {
  border-collapse: collapse;
  border-bottom: 1px solid #E6E6E6;
  border-right: 1px solid #E6E6E6;
  line-height: 1.5;
  text-align: left;
  width: 100%;
}
.msr_table02 th {
  background-color: #1B73BA;
  box-sizing: border-box;
  color: #FFFFFF;
  font-size: 14px;
  font-weight: normal;
  padding: 10px;
  text-align: center;
  vertical-align : middle;
}

/* th偶数番号の設定 */
.msr_table02 thead th:nth-child(odd) {
  background-color: #17619C;
}
.msr_table02 td {
  background-color: #E6E6E6;
  font-size: 13px;
  padding: 10px;
  vertical-align: top;
}

/* tr奇数番号のth設定 */
.msr_table02 tr:nth-child(even) th {
  background-color: #17619C;
}

/* tr奇数番号のtd奇数番号設定 */
.msr_table02 tr:nth-child(even) td:nth-child(even) {
  background-color: #F3F3F3;
}

/* tr偶数番号のtd偶数番号設定 */
.msr_table02 tr:nth-child(odd) td:nth-child(odd) {
  background-color: #F3F3F3;
}