@namespace url(http://www.w3.org/1999/xhtml);

@-moz-document
 domain("techtarget.itmedia.co.jp"), 
 domain("techtarget.itmedia.co.jp.nyud.net")
{
  /* Remove login-needed layer */
  #CmsMembersControl > img {display:none !important;}

  /* Remove Opacity Conf */
  #CmsMembersControl .CmsMembersControlIn
  {
    background:inherit !important;
    opacity:inherit !important;
  }
}