body {
    width: 100%;
    height: 100%;
    padding: 0;
    margin: 0;
}
body>div {
    position: absolute;
    height: 100%;
    width: 100%;
    padding: 0;
    margin: 0;
}

#bgimage {
    position: relative;
    margin: auto;
    background-image: url(../css/images/DaikinOrchid_logo.png);
    background-size: contain;
    background-position: center center;
    background-repeat: no-repeat;
    background-color: rgba(255,255,255,0);
    background-blend-mode: lighten;
    height: 30%;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -110%);
    -ms-transform: translate(-50%, -110%);
    transform: translate(-50%, -110%);
}

#btnToBot {
    padding: 0;
    margin: 0;
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
}

/* solid003 */
.kiraButton a {
    position: relative;
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin: 0 auto;
    padding: 10px 25px;
    color: #ffffff;
    /*color: #b41e8e;*/
    transition: 0.3s ease-in-out;
    font-weight: 600;
    font-size: 1.3rem;
    /*background: #0097e0;*/
    background: #b41e8e;
    /*background: linear-gradient(135deg, #B67B03 0%, #DAAF08 25%, #FEE9A0 50%, #DAAF08 65%, #B67B03 90% 100%);*/
    filter: drop-shadow(0px 2px 4px #ccc);
    border-radius: 110px;
    overflow: hidden;
    width: 100%;
    height: 100%;
}
.kiraButton a:before{
content: '';
    display: block;
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: -100%;
    background-image: linear-gradient(
130deg, rgba(255, 255, 255, 0) 25%, rgba(255, 255, 255, 0.3) 50%, rgba(255, 255, 255, 0) 55%);
    -webkit-transition: 0.5s;
    transition: 0.6s;
}
.kiraButton a:hover:before {
    left: 100%;
}
.kiraButton a:after {
    position: absolute;
    top: 50%;
    right: 20px;
    transition: 0.2s ease-in-out;
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    transform: translateY(-50%);
}