* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    margin: 0;
    background: #fff;
}


/* =========================
   전체 콘텐츠
========================= */

.landing {
    width: 860px;
    max-width: 100%;
    margin: 0 auto;

    display: flex;
    flex-direction: column;
    align-items: center;
}


/* =========================
   동영상
========================= */

.video-area {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 50px;
    padding:0 35px;
    margin-bottom: 20px;
}

.video-item {
    width: 100%;
    overflow: hidden;
}

.video-item video {
    display: block;
    width: 100%;
    height: auto;
}


/* =========================
   JPG 전체 영역
========================= */

.image-area {
    width: 100%;
    margin-top: 30px;
    padding:0 35px;
}


/* =========================
   위 / 아래 큰 이미지
========================= */

.single-image {
    width: 100%;
    overflow: hidden;
    margin-bottom: 30px;
}

.single-image img {
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
}

/* =========================
   가운데 9장
========================= */

.image-gallery {
    width: 100%;

    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;

    margin-bottom: 30px;
}

.gallery-item {
    overflow: hidden;
}

.gallery-item img {
    display: block;
    width: 100%;
    height: auto;

    transition: transform 0.3s ease;
}


/* 이미지 마우스 오버 */
.gallery-item:hover img {
    transform: scale(1.12);
}

.footer {
    width: 100%;
    padding: 40px 20px;
    background: #fff;
    text-align: center;
}

.footer-info {
    width: 100%;
    max-width: 860px;
    margin: 0 auto;

    font-family: Arial, "Noto Sans KR", sans-serif;
    font-size: 14px;
    line-height: 1.8;
    color: #555;
}

.footer-info p {
    margin: 0;
}

.footer-info a {
    color: inherit;
    text-decoration: none;
}

.footer-info a:hover {
    text-decoration: underline;
}

.footer-divider {
    margin: 0 3px;
}

.footer-info .copyright {
    margin-top: 5px;
    color: #777;
}

/* =========================
   모바일
========================= */

@media (max-width: 860px) {

    .landing {
        width: 100%;
    }

    .video-area {
        width: 100%;
        gap: 20px;
    }

    .image-area {
        width: 100%;
        margin-top: 20px;
    }

    .single-image {
        margin-bottom: 20px;
    }

    .image-gallery {
        gap: 5px;
        margin-bottom: 20px;
    }

}


/* =========================
   작은 모바일
========================= */

@media (max-width: 600px) {

    .image-gallery {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .gallery-item img {
        width: 100%;
    }

    .single-image {
        margin-bottom: 15px;
    }
     .footer {
        padding: 30px 15px;
    }

    .footer-info {
        font-size: 13px;
        line-height: 1.7;
        word-break: keep-all;
    }

    .footer-divider {
        display: none;
    }
}