.image-box {
    position: relative;
}

.image-box.has-nav {
    margin-top: 80px;
}

.image-box img {
    display: block;
    width: 100%;
}

.image-box .center-txt {
    position: absolute;
    color: white;
    font-size: 2.4vw;
    left: 12vw;
    top: 13.5vw;
}

.image-box .sign {
    display: inline-block;
    line-height: 1.8;
    margin-bottom: 1.5vw;
    font-size: 1vw;
    padding: 0 1vw;
    border: 1px solid gray;
    border-radius: 2vw;
}

.image-box .brand-box {
    position: absolute;
    left: 12vw;
    top: 19.5vw;
    width: 30vw;
    font-size: 1vw;
    line-height: 1.8;
}

.brand-box .name {
    margin-bottom: 3.5vw;
    font-size: 2.4vw;
}

.contact-box {
    display: flex;
    flex-direction: row;
    padding: 150px;
}

.info-box {
    flex-shrink: 0;
    margin-right: 80px;
    color: #333;
}

.info-box .name {
    margin-bottom: 60px;
    font-size: 46px;
}

.info-box .telphone {
    margin: 30px 0;
    font-size: 46px;
}

.info-box .qrcode {
    padding: 10px;
    margin-top: 20px;
    margin-right: 50px;
    border: 1px solid whitesmoke;
    border-radius: 10px;
    box-shadow: 14px 10px 14px 4px #0300000d;
}

.info-box .qrcode img {
    display: block;
    width: 100%;
}

.icon-row {
    display: flex;
    flex-direction: row;
    align-items: center;
    font-size: 18px;
}

.map-box {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.map-box .map {
    flex: 1;
    background: whitesmoke;
}

.map-box .address {
    display: flex;
    flex-direction: row;
    align-items: center;
    margin-top: 20px;
    font-size: 18px;
}

.address span {
    flex-shrink: 0;
    line-height: 1;
    margin-right: 30px;
    padding-left: 10px;
    padding-right: 30px;
    border-right: 1px solid gray;
}

@media (max-width: 768px) {
    .image-box.has-nav {
        margin-top: 57px;
    }

    .contact-box {
        flex-direction: column;
        padding: 30px;
    }

    .info-box {
        margin-right: 0;
    }

    .info-box .name {
        margin-bottom: 30px;
        font-size: 23px;
    }

    .icon-row {
        font-size: 14px;
    }

    .info-box .telphone {
        margin: 15px 0;
        font-size: 23px;
    }

    .brand-box .content {
        max-height: 25vw;
        overflow-y: scroll;
    }

    .info-box .qrcode {
        width: 50%;
    }
    
    .map-box {
        margin-top: 30px;
        display: block;
        width: 100%;
    }

    .map-box .map {
        width: 100%;
        height: calc(100vw - 60px);
    }

    .map-box .address {
        margin-top: 10px;
        font-size: 12px;
    }

    .address span {
        margin-right: 15px;
        padding-left: 5px;
        padding-right: 15px;
    }
}