header#pattern5 .header_contents .header_col1 .btn > a {
    font-size: 2.8rem;
    padding: 8px 16px 7px;
}

#fixbtn .contents_btn01 span {
    font-size: 2.4rem;
    padding: 16px 32px 15px;
}

@media screen and (max-width: 900px) {
    header#pattern5 .header_contents .header_col1 .btn > a {
       font-size: 2.6rem !important;
    }

    #fixbtn .contents_btn01 span {
       font-size: 2.6rem !important;
       padding: 8px 16px !important;
    }
}