/* ボタン押せない */
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li.menu04,
li.menu05,
li.menu06,
li.menu07,
li.menu08,
li.menu09{
  pointer-events: none;
}

li.menu02>a,
li.menu04>a,
li.menu05>a,
li.menu06>a,
li.menu07>a,
li.menu08>a,
li.menu09>a  {
  filter: grayscale(1);
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}  */

/*
  <li class="menu00"><a href="../../">Japanese<br><span class="text-sm">(第63回日本小児外科学会学術集会)</span></a></li>
  <li class="menu01"><a href="../">HOME</a></li>
  <li class="menu02"><a href="../info/">General Information</a></li>
  <li class="menu03"><a href="../greeting/" class="on">Welcome Message</a></li>
  <li class="menu04"><a href="../program/">Program</a></li>
  <li class="menu05"><a href="../registration/">Registration</a></li>
  <li class="menu06"><a href="../guideline/">Presentation Guidelines</a></li>
  <li class="menu07"><a href="../call/">Call for Abstracts</a></li>
  <li class="menu08"><a href="../travel/">Travel grant</a></li>
  <li class="menu09"><a href="../link/">Link / Collaboration</a></li>
 */