@media only screen and (-webkit-min-device-pixel-ratio:2){#logoArea a{background:url(https://s.yimg.jp/i/kids/mh/voice_w_2x.png) no-repeat;-webkit-background-size:274px 40px;background-size:274px 40px}#toolArea .back a{background-image:url(https://s.yimg.jp/i/kids/common/icon/kids32.png)}#toolArea .help a{background-image:url(https://s.yimg.jp/i/kids/common/icon/help_2x.png)}#toolArea .back a,#toolArea .help a{-webkit-background-size:16px 16px;background-size:16px 16px}.kidsFooter .Ybang{width:79px;height:45px;text-indent:-9999px;background:url(https://s.yimg.jp/yui/jp/footer/csr/images/csr_footer_2x.png) no-repeat left top;-webkit-background-size:79px 45px;background-size:79px 45px}.themeLead,.input .btnArea,.check .btnArea{-webkit-background-size:20px 5px;background-size:20px 5px}}