/* =================================
  서브페이지 4 ('협업예술 현장 스케치 Ⅱ')
  ================================= */

.sub-content .content-header {
    text-align: center;
    margin-bottom: 40px;
}

.sub-content .content-heading {
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 10px;
}

.sub-content .content-subheading {
    font-size: 1.2rem;
    font-weight: 500;
    color: #555;
}

.sub-content .image-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 60px 0;
}

.sub-content .image-grid img {
    width: 100%;
    border-radius: 10px;
}

@media (max-width: 768px) {
    .sub-content .image-grid {
        grid-template-columns: 1fr;
    }
}