@keyframes arrowStab{0%{transform:translateY(-50%) rotate(180deg) translate(0)}50%{transform:translateY(-50%) rotate(180deg) translate(5px)}to{transform:translateY(-50%) rotate(180deg) translate(0)}}.c-return_button{position:relative}.c-return_button:before{background-image:url(../images/common/ico_arrow_grey.svg);background-position:50%;background-repeat:no-repeat;background-size:contain;content:"";height:9.804px;left:0;position:absolute;top:50%;transform:translateY(-50%) rotate(180deg);transition:transform .3s ease;width:9.999px}@media screen and (width < 769px){.c-return_button{position:absolute;top:85px}}.c-return_button:hover:before{animation:arrowStab .8s ease-in-out infinite;background-image:url(../images/common/ico_arrow_primary.svg)}.c-return_button:hover a{color:#532589}.c-return_button a{color:#5d5b5f;font-family:Noto Sans JP;font-size:14px;font-weight:500;letter-spacing:1.12px;line-height:190%;padding-left:20px;text-align:justify}@media screen and (width < 769px){.c-return_button a{font-size:3.33333vw;letter-spacing:1.04px}}