nd click "study" to continue where you left off.</p>
        
        <div id="study-tool-code">
          <textarea id="study-tool-json" oninput="Genki.tools.updateUI();Genki.tools.updateJSON();"></textarea>
        </div>
        
        <ul id="study-tool-settings" class="clear">
          <li><a id="downloadCode" class="button" title="Save custom exercise" download="Custom Quiz"><span class="en">Save</span><span class="ja">セーブする</span></a></li>
          <li><button id="loadCode" class="butto