.content-part12 {
    width: 100%;
    height: 800px;
    /* border: 2px solid red; */
    position: relative;
}

.content-part12 > span {
    position: absolute;
    top: 100px;
    left: 100px;
    font-size: 4rem;
    font-weight: 500;
    white-space: pre-line;
}

.content-part12-main {
    width: 100%;
    height: 100%;
    /* border: 4px solid green; */
    display: flex;
}

.content-part12-main > div {
    height: 100%;
    width: 100%;
    /* border: 2px solid blue; */
    border-right: 1px solid rgb(192, 192, 192);
    display: flex;
    align-items: flex-end;
}

.content-part12-main > div:last-child {
    border-right: none;
}

.content-part12-main > div > img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    filter: grayscale(100%);
    transition: filter 0.5 ease-in-out;
}

.content-part12-main > div:nth-child(2) > img {
    height: 220px;
}

.content-part12-main > div:nth-child(3) > img {
    height: 260px;
    filter: none;
}

.content-part12-main > div:nth-child(4) > img {
    height: 360px;
}

.content-part12-main > div:nth-child(6) > img {
    height: 280px;
}

.content-part12-main > div:nth-child(1) > img:hover {
    filter: none;
}

.content-part12-main > div:nth-child(2) > img:hover {
    filter: none;
}

.content-part12-main > div:nth-child(4) > img:hover {
    filter: none;
}

.content-part12-main > div:nth-child(5) > img:hover {
    filter: none;
}

.content-part12-main > div:nth-child(6) > img:hover {
    filter: none;
}