.general_contact {
    text-align: right;
    margin-right: 70px;
}

.general_contact a {
    text-decoration: underline
}

#contents_wrapper {
    width: 860px;
    height: 300px;
    display: flex;
    margin: 0 auto 200px auto;
}

.if_box {
    display: inline-flex;
    align-items: center;
    margin-bottom: 60px;
}

#mail_contact {
    width: 430px;
    height: 300px;
    padding: 40px 0;
    text-align: center;
    border-right: 1px solid #BFBFBF;
}

.mail_icon{
    width: 47px;
    height: 47px;
    margin-right: 1em;
}

.w450 {
    width: 80%;
    max-width: 450px;
    padding: 13px 0;
    margin-bottom: 50px;
}

#mail_contact p {
    font-size: 1.4rem;
    text-align: left;
    line-height: 150%;
}

#tel_contact {
    width: 430px;
    height: 300px;
    padding: 40px 0;
    text-align: center;
}

.tel_icon {
    width: 45px;
    height: 45px;
    margin-right: 1em;
}

#tel_no {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 40px;
}

#tel_contact p {
    font-size: 1.4rem;
    text-align: center;
    line-height: 150%;
}

.style_bold {
    font-weight: bold;
}

@media (max-width: 900px) {
    #contents_wrapper {
        width: 100%;
    }

    #mail_contact {
        width: 50%;
    }

    #tel_contact {
        width: 50%;
    }
}

@media (max-width: 757px) {
    .general_contact {
        font-size: 1.2rem;
    }

    #contents_wrapper {
        display: block;
    }

    #mail_contact p {
        font-size: 1.2rem;
        text-align: center;
    }

    #mail_contact {
        width: 100%;
        border-right: none;
        float: left;
    }

    #tel_contact {
        width: 100%;
        float: left;
    }

    #tel_contact p {
        font-size: 1.2rem;
    }
}

@media (max-width: 420px) {
    .general_contact {
        text-align: center;
        margin: 0;
    }
}