.machine_index{
  background-image:  url('../img/common/bg_p3.jpg');
 padding: calc(100 / 1440 * 100vw) calc(200 / 1440 * 100vw);
}

.s_ms_c{
 background-image: url('../img/common/bg_p3.jpg');
 padding: calc(100 / 1440 * 100vw) calc(200 / 1440 * 100vw);
}

.list_con_area {
    background-color: #ffffff;
    border-radius: 4px;
    box-shadow: 4px 4px 4px rgba(0, 0, 0, 0.1);
    padding: calc(40 / 1440 * 100vw) calc(40 / 1440 * 100vw);
}


@media (max-width: 768px) {
 .machine_index {
     padding: 1.25rem 1rem;
 }
 .ma_grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem 1rem;
    padding-top: 1rem;
 }
 .post_cat {
    font-size: 0.625rem;
    padding: 0.2rem 0.4rem;
 }
 .post_c_title {
    margin: 0.2rem 0;
 }
 .post_c_excerpt {
    font-size: 0.75rem;
    margin-bottom: 0.5rem;
 }
 .more_btn img {
    margin: 0 auto;
 }
 .more_btn {
    margin: 2rem auto;
 }
 .s_ms_c {
    padding: 1.5rem 1rem;
 }

}