.block-index__list li:first-child {
    border-top: 0.8px solid #000000;
}

.block-index__list li {
    border-bottom: 0.8px solid #000000;
}

.single-casestudy__h1key {
    position: relative;
    padding-bottom: 4px;
    margin-bottom: 34px;
}

.single-casestudy__h1key span {
    margin-bottom: 9px;
    color: #7E7E7E;
    font-family: neue-haas-grotesk-display, sans-serif;
    font-weight: 500;
    font-size: 11px;
    display: inline-block;
}

.single-casestudy__h1key span:not(:last-child) {
    margin-right: 9px;
}

.single-casestudy__h1key::after {
    display: block;
    content: "";
    position: absolute;
    bottom: 0;
    width: 6px;
    height: 1px;
    background-color: #707070;
}

.single__sticky {
    top: 150px;
    margin-bottom: 100px;
}

.single-casestudy {
    background-color: #222222;
}

.single__content-inner {
    background-color: #fff;
}

.single__stickyWrapper {
    top: 158px;
}

.bread_crumb__item--gray {
    color: #828282;
}

.bread_crumb__item--black {
    color: #fff;
}

.bread_crumb__item:not(:last-child)::after {
    color: #828282;
}

.bread_crumb {
    margin-bottom: 136px;
}

.block-index {
    margin-bottom: 80px;
}


.single-casestudy__thum img {
    object-fit: cover;
    aspect-ratio: 1280/693;
}


.single-casestudy__heading {
    font-size: 32px;
    letter-spacing: -0.04em;
    color: #fff;
    font-weight: bold;
    line-height: 1.4;
    margin-bottom: 30px;
    font-feature-settings: "palt";
}


.single-casestudy__client,
.single-casestudy__credit {
    font-family: neue-haas-grotesk-display, sans-serif;
    font-weight: 500;
    line-height: 1.27;
    letter-spacing: 0.04em;
    font-size: 11px;
}

.single-casestudy__client {
    margin-right: 42px;
}

.single-casestudy__credit {}

.single-casestudy__client-heading,
.single-casestudy__credit-heading {
    color: #7E7E7E;
    margin-bottom: 4px;
}

.single-casestudy__client-name,
.single-casestudy__credit-name {
    color: #fff;
}

.single-casestudy__credit-name a:not(:last-child) {
    margin-right: 10px;
}

.single-casestudy__cat {
    display: flex;
    flex-wrap: wrap;
    color: #fff;
    font-size: 11px;
    font-family: neue-haas-grotesk-display, sans-serif;
    font-weight: 500;
    letter-spacing: 0.04em;
    margin-bottom: 12px;
}

.single-casestudy__cat-item {
    padding: 2px 10px;
    border: solid 1px #fff;
    border-radius: 9px;
    margin-right: 2.5px;
    margin-bottom: 7px;
}

.single-casestudy__works {
    background-color: #EAEAEA;
    padding-top: 53px;
    padding-bottom: 100px;
}

.single-casestudy__common-heading {
    font-weight: bold;
    margin-bottom: 48px;
}



.single-casestudy__common-heading--ja {
    font-size: 15px;
    margin-bottom: 6px;
}

.single-casestudy__common-heading--en {
    font-size: 50px;
    font-family: neue-haas-grotesk-display, sans-serif;
    font-weight: 500;
    line-height: 1.04;
}

.single-casestudy__work-list {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: -28px;
}


.single-casestudy__work-listItem {
    margin-bottom: 70px;
    width: 25%;
}

.single-casestudy__work-listLink {
    display: block;
}

.single-casestudy__work-listLink:hover img {
    transform: scale(1.2);
    transition: transform 2000ms var(--ease-out-moment);
}

.single-casestudy__work-listThum {
    margin-bottom: 10px;
    overflow: hidden;

}

.single-casestudy__work-listThum img {
    object-fit: cover;
    aspect-ratio: 165/115;
    transition: transform 0.5s;
}

.single-casestudy__work-listCat {
    font-size: 14px;
    font-weight: 300;
    margin-bottom: 7px;
}

.single-casestudy__work-listTitle {
    font-size: 16px;
    line-height: 1.4;
    font-weight: 300;
}



.single__cat {
    margin-bottom: 20px;
}

.single__content--casestudy {
    background-color: #fff;
    padding-bottom: 120px;
}

.single-casestudy__info {
    display: flex;
    margin-bottom: 65px;
}

.single-casestudy__info .underline::after {
    background-color: #fff;
}

.single__cat-list a {
    margin-bottom: 5px;
}


#scope {
    padding-top: 84px;
    padding-bottom: 94px;
    background-color: #CBCBCB;
}

.scope__list {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: -15px;
}

.scope__list-item {
    border: solid #000000 0.8px;
    min-height: 46px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: -0.04em;
    width: 24%;
    text-align: center;
    margin-bottom: 15px;
}

.scope__list-item:not(:nth-child(4n)) {
    margin-right: 1.333333%;
}


@media screen and (max-width: 1100px) {
    .single-casestudy .backindex__back-img {
        width: 150%;
        height: 100%;
        object-fit: cover;
    }
}


@media screen and (max-width: 800px) {
    .scope__list {
        justify-content: space-between;
    }

    .scope__list::after {
        display: block;
        content: "";
        width: 32%;
        height: 0;
    }

    .scope__list-item {
        width: 32%;
        font-size: 11px;
    }

    .scope__list-item:not(:nth-child(4n)) {
        margin-right: 0;
    }
}


@media screen and (max-width: 750px) {

    .single-casestudy__h1key {
        margin-bottom: 25px;
    }

    #scope {
        padding-top: 66px;
    }

    .block-index {
        margin-bottom: 0;
    }

    .single__content-inner {
        padding-top: 0 !important;
    }

    .single-casestudy__thum img {
        aspect-ratio: 375/260;
    }


    .bread_crumb {
        margin-bottom: 58px;
    }

    .single-casestudy__info {
        flex-direction: column;
        margin-bottom: 0;
    }

    .single-casestudy__heading {
        font-size: 22px;
        margin-bottom: 34px;
    }

    .single-casestudy__client {
        margin-bottom: 19px;
        margin-right: 0;
    }

    .single-casestudy__credit {
        margin-bottom: 35px;
    }

    .single-casestudy__work-listItem {
        margin-bottom: 28px;
        width: 50%;
    }

    .single-casestudy__work-listCat {
        font-size: 10px;
        font-weight: 300;
        margin-bottom: 3px;
    }

    .single-casestudy__work-listTitle {
        font-size: 12px;
        line-height: 1.4;
        font-weight: 300;
    }

    .sns {
        background-color: #fff;
        padding-top: 60px;
        padding-bottom: 65px;
    }

    .single__content-index-sp {
        padding-top: 79px;
        padding-bottom: 59px;
    }

    .single-casestudy__common-heading--ja {
        font-size: 13px;
    }

    .single-casestudy__common-heading--en {
        font-size: 34px;
    }


}


@media screen and (max-width: 530px) {
    .scope__list {
        margin-bottom: -11px;
    }

    .scope__list::after {
        width: 48.5%;
    }

    .scope__list-item {
        width: 48.5%;
        margin-bottom: 11px;
    }
}