.kv {
    padding: 60px 0 120px;
    background-color: #e4e4e4;
    position: relative;
}
.pickup-marquee {
    overflow: hidden;
    width: 100%;
    position: absolute;
}
.pickup-marquee__inner {
    display: flex;
    width: max-content;
    animation: pickup-marquee 50s linear infinite;
}
.pickup-marquee__inner span {
    white-space: nowrap;
    margin-right: 48px;
    font-size: 20rem;
    font-weight: 600;
    color: #fff;
    letter-spacing: .08em;
    opacity: .5;
    line-height: 1;
}
@keyframes pickup-marquee {
    from {
        transform: translateX(0);
    }
    to {
        transform: translateX(-50%);
    }
}
.top_slider_link {
    display: block;
    margin: 0 40px;
    position: relative;
    padding: 0 0 30px 220px;
}
.top_slider_link .thumbnail {
    width: 800px;
    overflow: hidden;
    aspect-ratio: 3 / 2;
    box-shadow: 10px 10px 25px 0px rgba(0, 0, 0, 0.07);
}
.top_slider_link .thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: all .4s ease;
}
.top_slider_link:hover .thumbnail img {
    transform: scale(1.1);
}
.slider_inner_txt {
    background-color: #fff;
    position: absolute;
    bottom: 0;
    left: 0;
    width: 560px;
    padding: 30px;
}
.slider_inner_txt .art_ttl {
    font-size: 1.9rem;
    font-weight: 500;
    line-height: 1.8;
    letter-spacing: .03em;
}
.slider_inner_txt .excerpt {
    font-size: 1.3rem;
    color: #505050;
    margin-top: 15px;
}
.slider_inner_txt .meta_area {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 45px;
}
.slider_inner_txt .meta_area .date {
    font-size: 1.2rem;
    color: #505050;
}
.category-wrap {
    display: flex;
    gap: 10px;
}
.category-wrap .category {
    background-color: #dadadb;
    font-size: 1.2rem;
    line-height: 1;
    padding: 3px 10px;
}
.pickup {
    position: absolute;
    bottom: 260px;
    left: 0;
    font-size: 4rem;
    color: #505050;
    letter-spacing: .05em;
    opacity: 0;
    filter: blur(20px);
    transform: translateY(10px);
    transition: opacity 1.2s ease, filter 1.2s ease, transform 1.2s ease;
    will-change: opacity, filter, transform;
}
.top_slider_article.slick-current .pickup {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0);
}

.dots-wrap {
    display: flex;
    justify-content: center;
    position: absolute;
    bottom: -80px;
    left: 50%;
    transform: translateX(-50%);
}
.dots-wrap li {
    margin: 0 15px;
    cursor: pointer;
}
.dots-wrap li button {
    font-size: 2rem;
    font-weight: 600;
    font-style: italic;
    color: #505050;
    appearance: none;
    outline: none;
    padding: 0;
    border: none;
    background-color: transparent;
    cursor: pointer;
    opacity: 0.4;
    transition: all .4s ease;
}
.dots-wrap li.slick-active button,
.dots-wrap li:hover button {
    opacity: 1;
    border-bottom: solid 1px #505050;
}

@media screen and (max-width:640px) {
    .kv {
        padding: 40px 0 80px;
    }
    .top_slider_link {
        width: 90vw;
        margin: 0 10px;
        padding: 0 0 210px 40px;
    }
    .top_slider_link .thumbnail {
        width: 100%;
        overflow: hidden;
        aspect-ratio: 3 / 2;
        box-shadow: 10px 10px 25px 0px rgba(0, 0, 0, 0.07);
    }
    .slider_inner_txt {
        width: 95%;
        padding: 20px;
    }
    .slider_inner_txt .art_ttl {
        font-size: 1.5rem;
        line-height: 1.6;
    }
    .slider_inner_txt .excerpt {
        font-size: 1.2rem;
    }
    .slider_inner_txt .meta_area {
        margin-top: 25px;
    }
    .pickup {
        bottom: unset;
        top: -40px;
        font-size: 3rem;
        mix-blend-mode: difference;
        pointer-events: none;
        color: #fff;
    }
    .dots-wrap {
        bottom: -50px;
    }
    .pickup-marquee__inner span {
        font-size: 7rem;
    }
}

.new_articles {
    padding: 120px 0;
}
.new_articles .main-inner {
    display: flex;
    gap: 90px;
}
.new_articles .main-inner .title-wrap {
    width: 130px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 120px;
}
.new_articles .main-inner .title-area.vertical {
    writing-mode: vertical-rl;
}
.section-title {
    font-size: 1.2rem;
    font-weight: 400;
    letter-spacing: .05em;
}
.title-en {
    font-size: 11rem;
    font-weight: 700;
    color: #505050;
    letter-spacing: .02em;
    line-height: 1;
}
.main-inner .articles-wrap {
    width: calc(100% - 220px);
}
.main-inner .articles-wrap .article_list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 45px 25px;
}
.main-inner .articles-wrap .article_list .article_item {
    width: calc((100% - 50px) / 3);
}
.main-inner .articles-wrap .article_list .article_item .thumbnail {
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
}
.main-inner .articles-wrap .article_list .article_item .thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: all .4s ease;
}
.main-inner .articles-wrap .article_list .article_item .article_link:hover .thumbnail img {
    transform: scale(1.1);
}
.main-inner .articles-wrap .article_list .article_item .textarea {
    margin-top: 15px;
}
.main-inner .articles-wrap .article_list .article_item .textarea .article_ttl {
    font-size: 1.55rem;
    font-weight: 500;
    line-height: 1.7;
    letter-spacing: .05em;
}
.main-inner .articles-wrap .article_list .article_item .textarea .meta_area {
    margin-top: 15px;
    display: flex;
    justify-content: space-between;
}
.main-inner .articles-wrap .article_list .article_item .textarea .meta_area .date {
    font-size: 1.2rem;
    font-weight: 400;
    color: #2f2f2f;
}
.main-inner .articles-wrap .article_list .article_item .textarea .meta_area .category {
    background-color: #dadadb;
    font-size: 1.2rem;
    line-height: 1;
    padding: 3px 10px;
}

.more-btn {
    font-size: 1.4rem;
    font-style: italic;
    color: #313131;
    border-bottom: solid 1px #313131;
    padding-right: 17px;
    position: relative;
    line-height: 1;
}
.more-btn::after {
    content: url(../images/common/arrow-vm.svg);
    width: 5px;
    height: 10px;
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-60%);
}

@media screen and (max-width:640px) {
    .new_articles {
        padding: 60px 0;
    }
    .new_articles .main-inner {
        gap: 20px;
    }
    .new_articles .main-inner .title-wrap {
        width: 54px;
    }
    .new_articles .more-btn {
        display: none;
    }
    .title-en {
        font-size: 4.5rem;
        line-height: 0.8;
    }
    .main-inner .articles-wrap {
        width: calc(100% - 74px);
    }
    .main-inner .articles-wrap .article_list {
        gap: 40px;
    }
    .main-inner .articles-wrap .article_list .article_item {
        width: 100%;
    }
    .main-inner .articles-wrap .article_list .article_item .textarea .article_ttl {
        font-size: 1.4rem;
        line-height: 1.6;
    }
}

.series_articles {
    padding: 120px 0;
    background: url(../images/common/feature-bg.jpg) no-repeat;
    background-size: cover;
}
.series_articles .main-inner {
    display: flex;
    gap: 90px;
}
.series_articles .main-inner .title-wrap {
    width: 130px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 120px;
}
.series_articles .main-inner .title-area.vertical {
    writing-mode: vertical-rl;
}
.series_articles .section-title {
    color: #dcdcde;
}
.series_articles .title-en {
    color: #dcdcde;
}

.series_articles .more-btn {
    color: #dcdcde;
    border-bottom: solid 1px #dcdcde;
}
.series_articles .more-btn::after {
    content: url(../images/common/arrow-vm-white.svg);
}

.series_articles .article_list {
    gap: 50px 30px;
}
.series_articles .main-inner .articles-wrap .article_list .article_item {
    width: calc((100% - 150px) / 4);
}
.series_articles .main-inner .articles-wrap .article_list .article_item .thumbnail {
    aspect-ratio: unset;
}
.series_articles .main-inner .articles-wrap .article_list .article_item .article_link:hover .thumbnail img {
    transform: scale(1.04);
}
.series_articles .main-inner .articles-wrap .article_list .article_item .textarea .article_ttl {
    font-size: 1.4rem;
    font-weight: 500;
    color: #dcdcde;
}

@media screen and (max-width:640px) {
    .series_articles {
        padding: 60px 0;
        background: url(../images/common/feature-bg_sp.jpg) no-repeat;
        background-size: cover;
        background-position: center;
    }
    .series_articles .main-inner {
        gap: 20px;
    }
    .series_articles .main-inner .articles-wrap .article_list {
        gap: 25px;
    }
    .series_articles .more-btn {
        display: none;
    }
    .series_articles .main-inner .title-wrap {
        width: 54px;
    }
    .series_articles .main-inner .articles-wrap .article_list .article_item {
        width: 100%;
    }
    .series_articles .main-inner .articles-wrap .article_list .article_item .textarea .article_ttl {
        font-size: 1.3rem;
    }
}

.popular_post {
    padding: 110px 0;
    background-color: #efefef;
    overflow: hidden;
}
.popular_post .popular_post-inner {
    width: 100%;
    display: flex;
    gap: 40px;
}
.popular_post .title-wrap {
    padding-left: 40px;
}
.popular_post .section-title {
    text-align: right;
    margin-top: 30px;
}
.popular_article_slider .article_item {
    width: 400px;
    margin-right: 30px;
}
.popular_article_slider .article_item .article_link {
    position: relative;
    display: block;
}
.popular_article_slider .article_item .thumbnail {
    width: 100%;
    aspect-ratio: 5 / 3;
    overflow: hidden;
    box-shadow: 10px 10px 25px 0px rgba(0, 0, 0, 0.2);
}
.popular_article_slider .article_item .thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: all .4s ease;
}
.popular_article_slider .article_item .article_link:hover .thumbnail img {
    transform: scale(1.05);
}
.popular_article_slider .article_item .textarea {
    margin-top: 20px;
}
.popular_article_slider .article_item .textarea .article_ttl {
    font-size: 1.6rem;
    font-weight: 500;
}
.popular_article_slider .article_item .textarea .meta_area {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
}
.popular_article_slider .article_item .textarea .meta_area .date {
    font-size: 1.2rem;
    font-weight: 400;
    color: #2f2f2f;
}
.popular_article_slider .article_item .textarea .meta_area .category {
    background-color: #dadadb;
    font-size: 1.2rem;
    line-height: 1;
    padding: 3px 10px;
}
.popular_article_slider .article_item .ribbon_num {
    font-size: 2rem;
    font-style: italic;
    font-weight: 600;
    color: #fff;
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 22;
    mix-blend-mode: difference;
    pointer-events: none;
}
.popular-slider-arrows {
    display: flex;
    justify-content: center;
    gap: 90px;
    margin-top: 72px;
}
.popular-slider-arrows .slide-arrow {
    width: 20px;
    height: 12px;
    display: block;
}
.popular-slider-arrows .slide-arrow.prev-arrow::before {
    content: url(../images/common/arrow_prev.svg);
    width: 100%;
    height: 12px;
    display: block;
    cursor: pointer;
}
.popular-slider-arrows .slide-arrow.next-arrow::before {
    content: url(../images/common/arrow_next.svg);
    width: 100%;
    height: 12px;
    display: block;
    cursor: pointer;
}

@media screen and (max-width:640px) {
    .popular_post {
        padding: 60px 0;
    }
    .popular_post .popular_post-inner {
        padding: 0 0 0 5%;
        flex-direction: column;
    }
    .popular_post .title-wrap {
        padding-left: 0;
    }
    .popular_post .title-wrap .title-area {
        display: flex;
        gap: 20px;
    }
    .popular_post .section-title {
        margin-top: 20px;
    }
    .popular_article_slider .article_item {
        width: 90vw;
    }
    .popular-slider-arrows {
        margin-top: 40px;
    }
}