.background-image {
    background-image: url(../img/top/top-back.jpg);
    background-size: cover;
    background-position: center;
    height: 100vh;
    min-height: 100vh;
    overflow: hidden;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    height: 100vh;
    min-height: 100vh;
}

#topSec {
    color: #fffff0;
    text-shadow: 0 0.05em 0.08em rgba(0, 0, 0, 0.7);
}

#topSec h1 {
    position: absolute;
    top: 30px;
    left: 3%;
    font-size: 25px;
}

#viewSec {
    margin-top: 100px;
}

.view-wrap {
    max-width: 1920px;
    width: calc(100% - 160px);
    margin: 0 auto;
}

.view-items {
    position: relative;
    display: flex;
    justify-content: space-between;
    list-style: none;
}

.view-item {
    position: relative;
    flex-shrink: 0;
    width: 33.3333333333%;
}

.view-item-a {
    display: block;
    padding: 0 24px 50px;
    color: #222222;
}

.view-item-thumbnail {
    object-fit: cover;
    overflow: hidden;
    border-radius: 8px;
    max-height: 210px;
    max-width: 397px;
}

.view-item-thumbnail-img {
    width: 100%;
    height: auto;
    transition: .3s cubic-bezier(0.16, 1, 0.3, 1);
    border-radius: 8px;
    max-height: 210px;
    max-width: 397px;
}

.view-item:hover .view-item-thumbnail-img {
    transform: scale(1.06);
}

.view-item-title {
    margin-top: 24px;
    font-size: 24px;
    line-height: 40px;
    transition: .3s cubic-bezier(0.16, 1, 0.3, 1);
}

.view-item-summary {
    font-weight: 500;
    margin-top: 24px;
    font-size: 18px;
    line-height: 32px;
    transition: .3s cubic-bezier(0.16, 1, 0.3, 1);
}

.view-item-more {
    position: absolute;
    bottom: 0;
    display: inline-block;
    padding-left: 35px;
    color: #222222;
}

.view-item-arrow {
    position: absolute;
    bottom: 0;
}

.view-item:hover .view-item-title,
.view-item:hover .view-item-summary,
.view-item:hover .view-item-more,
.view-item:hover .view-item-arrow {
    opacity: 0.6;
}

@media screen and (max-width: 768px) {
    #topSec h1 {
        top: 80px;
        font-size: 19px;
    }

    #topSec pre {
        left: 3%;
        right: initial;
        font-size: 16px;
    }

    #viewSec {
        margin-top: 50px;
    }

    .view-wrap {
        width: 100%;
    }

    .view-items {
        flex-flow: column;
    }

    .view-item {
        width: 100%;
        margin-bottom: 50px;
    }

    .view-item-title {
        margin-top: 14px;
        font-size: 18px;
    }

    .view-item-summary {
        margin-top: 4px;
        font-size: 16px;
    }

    .view-item-arrow {
        font-size: 20px;
    }

    .view-item-more {
        font-size: 14px;
    }

    .view-item-a {
        padding: 0 24px 30px;
    }

    footer {
        margin-top: 0;
    }
}