/* 상단 제목 */

.business-top {
    padding: 90px 20px 60px;
    text-align: center;
    border-bottom: 1px solid #eceff4;
    background: #fff;
}

.business-top h1 {
    margin: 0 0 14px;
    font-size: 42px;
    font-weight: 800;
    color: #173b72;
}

.business-top p {
    margin: 0;
    font-size: 18px;
    color: #666;
}



/* 본문 */

.business-main {
    max-width: 1180px;
    margin: 0 auto;
    padding: 70px 20px 100px;
}



/* 카드 묶음 */

.business-card-wrap {
    display: flex;
    flex-direction: column;
    gap: 28px;
}



/* 기본 카드 */

.business-card {
    display: grid;
    grid-template-columns: 420px 1fr;

    border: 1px solid #e6ebf2;
    border-radius: 18px;

    overflow: hidden;
    background: #fff;

    box-shadow: 0 10px 25px rgba(0, 0, 0, .04);

    transition: .25s;
}

.business-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 34px rgba(0, 0, 0, .08);
}



/* 건물관리 큰 카드 */

.business-total-card {
    display: block;
}

.business-main-row {
    display: grid;
    grid-template-columns: 420px 1fr;
}



/* 이미지 */

.business-img {
    height: 300px;
    background: #f5f7fa;
    overflow: hidden;
    transform: translateZ(0);
}

.business-img img {
    width: 100%;
    height: 100%;

    object-fit: cover;
    object-position: center center;

    display: block;

    image-rendering: auto;
    transform: translateZ(0);
    backface-visibility: hidden;
}



/* 텍스트 */

.business-text {
    padding: 34px 38px;

    display: flex;
    flex-direction: column;
    justify-content: center;
}

.business-text h3 {
    margin: 0 0 18px;

    font-size: 28px;
    color: #173b72;

    font-weight: 800;
}

.business-text p {
    margin: 0;

    line-height: 1.9;
    font-size: 17px;

    color: #444;

    word-break: keep-all;
}



/* 일반 리스트 */

.business-text ul {
    margin: 0;
    padding-left: 18px;
}

.business-text li {
    margin-bottom: 10px;

    line-height: 1.8;
    font-size: 17px;

    color: #444;
}

.business-text li:last-child {
    margin-bottom: 0;
}



/* 건물관리 안쪽 하위 카드 */

.business-child-wrap {
    padding: 28px 34px 34px;
    display: flex;
    flex-direction: column;
    gap: 14px;

    border-top: 1px solid #eef2f7;
}

.business-child-card {
    display: grid;
    grid-template-columns: 230px 1fr;
    gap: 22px;

    padding: 16px;

    border: 1px solid #e6ebf2;
    border-radius: 14px;

    background: #f8fafc;
}

.business-child-img {
    height: 140px;

    overflow: hidden;

    border-radius: 10px;
    background: #eef2f7;
}

.business-child-img img {
    width: 100%;
    height: 100%;

    display: block;

    object-fit: cover;
    object-position: center center;
}

.business-child-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.business-child-text h4 {
    margin: 0 0 10px;

    font-size: 21px;
    font-weight: 800;

    color: #173b72;
}

.business-child-text p {
    margin: 0;

    line-height: 1.8;
    font-size: 16px;

    color: #444;

    word-break: keep-all;
}

.business-child-text ul {
    margin: 0;
    padding-left: 18px;
}

.business-child-text li {
    margin-bottom: 6px;

    line-height: 1.7;
    font-size: 16px;

    color: #444;
}

.business-child-text li:last-child {
    margin-bottom: 0;
}



/* 모바일 */

@media (max-width: 900px) {
    .business-top {
        padding: 60px 16px 40px;
    }

    .business-top h1 {
        font-size: 32px;
    }

    .business-top p {
        font-size: 15px;
    }

    .business-main {
        padding: 50px 16px 80px;
    }

    .business-card,
    .business-main-row {
        grid-template-columns: 1fr;
    }

    .business-img {
        height: 240px;
    }

    .business-text {
        padding: 24px 22px;
    }

    .business-text h3 {
        font-size: 23px;
    }

    .business-text p,
    .business-text li {
        font-size: 15px;
    }

    .business-child-wrap {
        padding: 22px 18px 24px;
    }

    .business-child-card {
        grid-template-columns: 150px 1fr;
        gap: 14px;
        padding: 13px;
    }

    .business-child-img {
        height: 100px;
    }

    .business-child-text h4 {
        font-size: 17px;
    }

    .business-child-text p,
    .business-child-text li {
        font-size: 14px;
    }
}

@media (max-width: 580px) {
    .business-child-card {
        grid-template-columns: 1fr;
    }

    .business-child-img {
        height: 180px;
    }
}

@media (max-width: 480px) {
    .business-img {
        height: 210px;
    }

    .business-child-img {
        height: 165px;
    }
}



/* 등장 애니메이션 */

.reveal {
    opacity: 0;
    transform: translateY(40px);

    transition:
        opacity .7s ease,
        transform .7s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}