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CSS

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HTML 

              
                <div id='allBtn'>
  <button id="btn-show-all" type="button" class="btn-flat-border">全部開く</button>
<button id="btn-hide-all" type="button" class="btn-flat-border">全部閉じる</button>
</div>

<table id="ghibuli-table" class='cell-border display' style="width:100%">
  <thead>
    <tr>
      <th></th> 
      <th>作品名</th> 
      <th>公開日</th> 
      <th>監督</th> 
      <th>上映時間 （分）</th> 
    </tr> 
  </thead>
  <tbody>
    <tr>
      <td class='details-control'></td>
      <td>耳をすませば</td>
      <td>1995.7.15</td>
      <td>近藤喜文</td>
      <td>111</td>
      <td>Whisper of the Heart</td>
      <td>柊あおい</td>
      <td>     本名陽子 ⋅ 高橋一生 ⋅ 立花 隆 ⋅ 室井 滋 ⋅ 露口 茂 ⋅ 小林桂樹 </td>
    </tr>
    <tr>
      <td class='details-control'></td>
      <td>魔女の宅急便</td>
      <td>1989.7.29</td>
      <td>宮崎 駿</td>
      <td>102</td>
      <td>Kiki's Delivery Service</td>
      <td>角野栄子</td>
      <td>     高山みなみ ⋅ 佐久間レイ ⋅ 山口勝平 ⋅ 加藤治子 ⋅ 戸田恵子 </td>
    </tr>
    <tr>
      <td class='details-control'></td>
      <td>となりのトトロ</td>
      <td>1988.4.16</td>
      <td>宮崎 駿</td>
      <td>86</td>
      <td>My Neighbor Totoro</td>
      <td>宮崎 駿</td>
      <td>     日高のり子 ⋅ 坂本千夏 ⋅ 糸井重里 ⋅ 島本須美 ⋅ 北林谷栄 ⋅ 高木 均 </td>
    </tr>
    <tr>
      <td class='details-control'></td>
      <td>レッドタートル ある島の物語</td>
      <td>2016.9.17</td>
      <td>マイケル・デュドク・ドゥ・ヴィット</td>
      <td>81</td>
      <td>LA TORTUE ROUGE</td>
      <td>マイケル・デュドク・ドゥ・ヴィット</td>
      <td></td>
    </tr>
    <tr>
      <td class='details-control'></td>
      <td>崖の上のポニョ</td>
      <td>2008.7.19</td>
      <td>宮崎 駿</td>
      <td>101</td>
      <td>Ponyo on the Cliff by the Sea</td>
      <td>宮崎 駿</td>
      <td>     山口智子 ⋅ 長嶋一茂 ⋅ 天海祐希 ⋅ 所ジョージ ⋅ 奈良柚莉愛 ⋅ 土井洋輝 ⋅ 柊 瑠美 ⋅ 矢野顕子 ⋅ 吉行和子 ⋅ 奈良岡朋子 </td>
    </tr>
  </tbody>
</table>
!

CSS 

              
                td.details-control {
  text-align:center;
  width:5%;
  min-width:5%;
  max-width:5%;
}
td.details-control:before {
  font-family: "Font Awesome 5 Free";
  content: "\f0fe";
  font-weight: 900;
  padding: 0px;
  color: #f67280;　/*アイコンの色*/
}
tr.shown td.details-control:before {
  font-family: "Font Awesome 5 Free";
  content: "\f146";
  font-weight: 900;
  padding-left: 0px;
  color: #36b5b0; /*アイコンの色*/
}

#allBtn {
  margin: 20px 0px 20px 0px;
  padding-bottom: 20px;
  border-bottom: solid 1px gray ; 
}

.btn-flat-border {
  display: inline-block;
  padding: 0.3em 1em;
  text-decoration: none;
  color: #ff7f7f;
  border: solid 2px #ff7f7f;
  border-radius: 3px;
  transition: .4s;
}

.btn-flat-border:hover {
  background: #ff7f7f;
  color: white;
}
!

JS 

              
                function format ( d ) {
    return '<table style="width:100%;font-size:12px;">'+
        '<tr>'+
            '<td>英語タイトル</td>'+
            '<td>'+d[5]+'</td>'+
        '</tr>'+
        '<tr>'+
            '<td >原作</td>'+
            '<td>'+d[6]+'</td>'+
        '</tr>'+
        '<tr>'+
            '<td>声の出演</td>'+
            '<td>'+d[7]+'</td>'+
        '</tr>'+
    '</table>';
}

$(document).ready(function() {
  var ghibuliTable = $('#ghibuli-table').DataTable({
    searching: false,
    lengthChange: false,
    info: false,
    paging: false,
    columnDefs: [
      // 非表示
      { targets: [5, 6, 7], visible: false }
      ]
  });
  
  $('#ghibuli-table tbody').on('click', 'td.details-control', function () {

    var tr = $(this).closest('tr');
    var row = ghibuliTable.row(tr);
    
    // 行の開閉イベント
    if ( row.child.isShown() ) {
      row.child.hide();
      tr.removeClass('shown');
    } else {
      row.child( format(row.data()) ).show();
      tr.addClass('shown');
    }
  });
  
  // "全部開く" ボタン
  $('#btn-show-all').on('click', function() {
    // Enumerate all rows
    ghibuliTable.rows().every(function() {
      
      if(!this.child.isShown()) {
        this.child(format(this.data())).show();
        $(this.node()).addClass('shown');
        
      }
    });
  });
  
  // "全部閉じる" ボタン
    $('#btn-hide-all').on('click', function() {
      
      ghibuliTable.rows().every(function() {
        
        if(this.child.isShown()) {
          this.child.hide();
          $(this.node()).removeClass('shown');
        }
        
      });
    });
});
!
999px

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