.content {
  overflow: hidden;  
}

/* ヘッダー固定時の移動先の調整 */
#delivery, #payment, #cancel, #info{
  margin-top: -81px;
  padding-top: 81px;
}

/* sticky不具合対応 IE10以上 */
@media all and (-ms-high-contrast: none) {
  #delivery, #payment, #cancel, #info{
    margin-top: -114px;
    padding-top: 114px;
  }
}
/* 目次 */
#sk ul.menu {
  font-size: 12px;
  margin: 30px 0;
  line-height: 2.5em;
  list-style: '・';
}
#sk ul.menu li a::before {
  content: " - ";
}

#sk .menu_list {
  padding: 0 7.5px;
}

#sk h2 {
  font-size: 1.2em; 
  letter-spacing: 0.2em;
  margin-bottom: 20px;
  padding-bottom: 4px;
  padding-left: 10px;
  border-bottom: 1px solid #eee;
}
#sk div#delivery, #sk div#payment,#sk div#cancel {
  margin-bottom: 30px;
}

#sk dl {
  padding-left: 20px;
}

#sk dl dt {
  font-size: 1.1em;
  margin: 20px 0 10px;
}

@media screen and (min-width: 768px) {
 
  #sk ul.menu {
    margin-top: 30px;
    margin-bottom: 30px;
    text-align: center;
  }
  
  #sk div#delivery, #sk div#payment, #sk div#cancel,#sk div#info {
    margin-bottom: 60px;
  }
  
}