.sinto{position:relative;background:url(../img/sinto_bg.png) no-repeat top center/100%}.sinto::before{content:"";display:block;position:absolute;top:max(calc(-44 / 800 * 100vw),-44px);left:50%;transform:translateX(-50%);-webkit-transform:translateX(-50%);-ms-transform:translateX(-50%);width:min(calc(290 / 800 * 100vw),290px);height:min(calc(290 / 800 * 100vw),290px);background:url(../img/dakara.png) no-repeat top center/100%}.sinto .sinto_hand{position:absolute;top:0}.sinto .sinto_bubble{position:absolute;top:0;left:18%;transform:translateX(-50%);-webkit-transform:translateX(-50%);-ms-transform:translateX(-50%);width:min(calc(527/ 800 * 100vw),527px);animation:bounceDown 2s infinite}@keyframes bounceDown{0%{transform:translateY(0);animation-timing-function:cubic-bezier(.55,.06,.68,.19)}45%{transform:translateY(min(calc(100/ 800 * 100vw),100px));animation-timing-function:cubic-bezier(.25,.46,.45,.94)}65%{transform:translateY(min(calc(65/ 800 * 100vw),65px));animation-timing-function:cubic-bezier(.55,.06,.68,.19)}70%{transform:translateY(min(calc(90/ 800 * 100vw),90px));animation-timing-function:cubic-bezier(.25,.46,.45,.94)}100%{transform:translateY(0)}}.sinto .sinto_zu{position:relative;z-index:1}