*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0;font-family:Hiragino Kaku Gothic ProN,Hiragino Sans,Meiryo,Yu Gothic,sans-serif;font-size:16px;color:#212121;background:#f5f5f5;-webkit-font-smoothing:antialiased}a{color:#1a237e}button,input,select,textarea{font-family:inherit}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:#f0f0f0}::-webkit-scrollbar-thumb{background:#bbb;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#999}