.stt-top{display:block;text-indent:-9999em;font-size:0;line-height:0;height:0;visibility:hidden}.stt-gototop{position:fixed;z-index:5000;bottom:40px;right:40px;background:url(https://www.kanshokyo.jp/web/wp-content/stt-images/pagetop.gif) no-repeat top left;text-indent:-9999em;width:128px;height:20px}.stt-gototop:hover,.stt-gototop:active,.stt-gototop:focus{outline:0}