/*******************************************************************************

    タブ用スタイルシート
        2018/07/12:作成
        2019/02/18:更新

*******************************************************************************/

/*******************************************************************************
    タブ枠
*******************************************************************************/
#tab_frame {
  margin-top: 10px;
}

#tab_contents li {
  margin-top: 5px;
  padding-left: 9em;
  text-indent: -9em;
}

#tab_contents ul {
  max-height: 400px;
  overflow-y: scroll;
}

#a0 {
  display: inline-block;
  border-radius: 20px 20px 0px 0px;
  padding: 5px 15px;
  text-decoration: none;
  color: black;
  background-color: cornsilk;
  font-weight: bold;
  position: relative;
}

#a1, #a2, #a3, #a4, #a5 {
  display: inline-block;
  border-radius: 20px 20px 0px 0px;
  padding: 5px 15px;
  text-decoration: none;
  color: black;
  background-color: lightgray;
  font-weight: bold;
  position: relative;
}

#year0 {
  display: normal;
  padding: 10px;
  background-color: cornsilk;
  position: relative;
  z-index: 0;
}

#year1, #year2, #year3, #year4, #year5 {
  display: none;
  padding: 10px;
  background-color: cornsilk;
  position: relative;
  z-index: 0;
}

div.y_archive {
  display: none;
}