@charset "UTF-8";

/* =============================
main
============================= */
body {
    display: none;
}

.main {
    /* background-image: url(../images/color_bg.png); */
    /* background-repeat: no-repeat; */
    /* background-size: 72.1vh auto; */
    /* background-position: center; */
    /* background-attachment: fixed; */
    margin: 45px 0 0;
    width: 100%;
    /* position: relative; */
}

.main::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    z-index: -1;
    display: block;
    width: 100%;
    height: 100vh;
    background-image: url(../images/color_bg.png);
    background-repeat: no-repeat;
    background-size: 72.1vh auto;
    background-position: center center;
}

.contents {
    margin: 0 10.6vw 18.66vw;
}

.video__topic {
    width: 34.9vw;
    max-width: 142px;
}

.video__contents {
    margin-top: 30px;
    display: flex;
    align-items: center;
    gap: 25px;
}

.video__contents--item {
    font-size: 1rem;
    font-weight: 400;
    line-height: 1;
    letter-spacing: -0.22px;
    cursor: pointer;
    transition: all 0.1s ease-in;
}

.video__contents--item.active {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.308px;
}

.videoList {
    margin-top: 50px;
    padding-bottom: 90px;
}

.videoList__item {
    margin-top: 50px;
}

.videolist__video {
    /* width: 80%; */
    width: 100%;
    aspect-ratio: 16 / 9;
}

.videoListTxt {
    margin-top: 10px;
}

.videoListTxt__title {
    font-size: 1.5rem;
    font-weight: 400;
    line-height: 1.2;
}

.wBr {
    display: none;
}

.videoListTxt__credit {
    margin-top: 20px;
    font-size: 0.8rem;
    font-weight: 400;
    line-height: 1.5;
    letter-spacing: -0.176px;
}

/* =============================
scrollTop
============================= */
.topBtn {
    /*デフォルトで非表示にする*/
    opacity: 0;
    visibility: hidden;
    transition: 0.3s;
}

.activeScroll {
    opacity: 1;
    visibility: visible;
    z-index: 100;
}

/* main pc */
@media screen and (min-width:610px) {
    .videoList__item {
        display: flex;
        gap: 3.42%;
    }

    .videoListTxt__title {
        font-size: 1.7rem;
        font-weight: 400;
        line-height: 1.5;
    }

    .kakko {
        font-size: 1.6rem;
    }

    .wBr {
        display: none;
    }

    .videoListTxt__credit {
        font-size: 1rem;
        font-weight: 400;
        line-height: 1.5;
        letter-spacing: -0.176px;
    }

}

@media screen and (min-width:769px) {
    .main {
        background-image: url(../images/color_bg.png);
        background-size: 74.6vw 74.7vh;
        background-repeat: no-repeat;
        background-position: center;
        background-attachment: fixed;
        margin: 85px 0 22px;
        padding-top: 32px;
        /* height: auto; */
        width: 100%;
    }

    .main::before {
        display: none;
    }

    .contents {
        margin: 0 10.6vw 0;
    }

    .contents__flex {
        display: flex;
        gap: 4%;
    }


    .video__topic {
        /* margin-left: auto; */
        width: fit-content;
        min-width: 183px;
    }

    .video__topic img {
        height: 30px;
    }

    .video__contents {
        display: block;
        width: fit-content;
        margin-top: 4.86vw;
    }

    .video__contents--item {
        margin-top: 1.73vw;
        font-size: 2rem;
        font-weight: 400;
        line-height: 1.5;
        letter-spacing: -0.44px;
    }

    .video__contents--item.active {
        font-size: 2.5rem;
        font-weight: 700;
        letter-spacing: -0.55px;
    }

    .videoList {
        margin: 3.47vw 0;
        width: 60.83vw;
    }

    .videoList__item {
        margin-top: 10.41vw;
        display: flex;
        gap: 3.42%;
    }

    .videoList__item:first-of-type {
        margin-top: 0;
    }

    .videoList__video {
        /* width: 34.7%; */
        width: -webkit-fill-available;
        aspect-ratio: 16 /9;
        flex: 250;
    }

    .videoListTxt {
        margin-top: 2.08vw;
        flex: 173;
    }

    .videoListTxt__title {
        font-size: 2.1rem;
        font-weight: 400;
    }

    .wBr {
        display: block;
    }

    .videoListTxt__credit {
        font-size: 1.5rem;
        font-weight: 400;
        line-height: 1.5;
        letter-spacing: -0.33px;
    }

    .topBtn {
        left: 85%;
    }
}

@media screen and (min-width:1060px) {
    .wBr {
        display: none;
    }
}

/* =============================
footer
============================= */

/* footer pc 縦レイアウト */
@media screen and (min-width:769px) {
    .footer {
        padding: 0 0;
        display: flex;
        /* gap: 0.76%; */
        position: fixed;
        bottom: 12.69vh;
        left: 90.8vw;
        /* right: 5.27%; */
        width: max-content;
        transform: translateX(0);
    }

    .sns {
        margin-bottom: 0;
        flex-direction: column;
        gap: 2.92vh;
        width: fit-content;
    }

    .copy {
        position: absolute;
        left: 58.5px;
        transform-origin: top left;
        transform: rotate(90deg);
        /* transform-origin: 1.56vw; */
        color: var(--primary-lightGrey);
        font-size: 1.6rem;
        font-weight: 400;
        line-height: 1.5;
        letter-spacing: -0.286px;
        /* height: fit-content; */
        width: max-content;
    }
}

/* pc 769px */