.function-contact-wrapper {
    width: 100%;
    margin: 0 auto;
    padding: 89px 16px 120px;
    position: relative;
}

.function-contact-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:url('../../../images/bg-line-icon.svg'); 
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    z-index: -1;
}

.function-contact-wrapper h1 {
    font-size: 32px;
    font-weight: bold;
    text-align: center;
    line-height: 2;
    margin-bottom: 110px;
    position: relative;
}

.function-contact-btn {
    text-align: center;
}

.function-contact-btn a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 429px;
    padding: 12px 0;
    font-weight: bold;
    font-size: 21px;
    color: #FFF;
    background-color: #000;
    border-radius: 5px;
    line-height: 1.6;
}

/* 768px以下 */
@media (max-width: 768px) {
    .function-contact-wrapper {
        padding: 39px 16px;
        height: 253px;
    }
    .function-contact-wrapper h1 {
        font-size: 20px;
        margin: 0 auto 31px;
        max-width: 300px;
        line-height: 1.7;
    }
    .function-contact-btn a {
        width: 267px;
        padding: 12px 0;
        font-size: 13px;
    }
}

/* 500px以下 */
@media (max-width: 500px) {
    .function-contact-wrapper::before {
        background-image:url('../../../images/bg-line-icon-sp.svg'); 
        background-position: -5px center;
    }
}

/* 400px以下 */
@media (max-width: 400px) {
    .function-contact-wrapper::before {
        background-image:url('../../../images/bg-line-icon-sp.svg'); 
        background-position: -55px center;
    }
}