body {
    background-image: url(https://airconditionersales.jp/wp-content/uploads/lp/2023/12/背景004.jpg);
    background-position: left top;
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

.shop_container{
display: flex;
}

.main_cont{
    max-width: 500px;
    margin: 0 auto;
    background: #fff;
    -webkit-box-shadow: 0px 0px 60px rgba(255,255,255,0.5);
    box-shadow: 0px 0px 60px rgba(0, 97, 105, 0.3);
    border-radius: 0px;
    overflow: hidden;
    position: relative;
    z-index: 500;
    border-radius: 10px;
}

.cont img {
width:100%;
}

.shop_link {
    height: auto;
    background-size: cover;
    position: fixed;
    bottom: 0;
    left: 50%;
    -webkit-transform: translateX(-50%);
    transform: translateX(-50%);
    width: 500px;
    z-index: 1000;
}

.shop_link a {
　width: 100%;
    height: 100%;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    font-size: 18px;
    font-weight: bold;
    color: #FFF;
}

@media screen and (max-width: 1024px) {
.main_cont{
    max-width: 640px;
}

.shop_link {
    width: 640px;
}
}

@media screen and (max-width: 640px) {
.main_cont{
    max-width: 500px;
}
.shop_link {
    width: 500px;
}
}

@media screen and (max-width: 500px) {
.main_cont{
    max-width: 100%;
    border-radius: 0px;
}
.shop_link {
    width: 100%;
}
.header {
    padding: 0;
}
.site_wrapper {
    padding-top: 0px;
}
}

.side_navi {
    overflow-y: auto;
    max-height: 100vh;
}