.arrow-gray{display:block;height:10px;width:30px;background-color:#888;position:relative;margin:20px 40px 0 0}.arrow-gray:before{position:absolute;content:"";width:0;height:0;border:16px solid transparent;border-left:16px solid #888;left:29px;top:-11px}.arrow-gray.down{margin:10px auto 25px auto;-webkit-transform:rotate(90deg);transform:rotate(90deg)}.box-memo{margin-top:2.5em;margin-bottom:5px}.pure-g [class*=pure-u]{margin-bottom:0}.sds-mihon td{text-align:left}