@charset "utf-8";

.fade-in {
  opacity: 0;
  transform: translateY(30px) scale(0.98);
  transition: opacity 1.5s ease, transform 2s cubic-bezier(0.22, 1, 0.36, 1);
}

.fade-in.show {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/*===========================
article header
===========================*/

.article__header {
    background-image: url(../images/page-backPC.webp);
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    /* background-size: 100%; */
    margin-top: -118px;
    padding: 18%;
    position: relative;
    z-index: -100;
}

.page__title {
    top: 50%;
    left: 17%;
    font-size: 4rem;
    font-weight: 500;
    line-height: 150%;
    position: absolute;
    z-index: 10;
}

.page__title::before {
    content: '';
    display: inline-block;
    width: 117px;
    height: 107px;
    background-image: url(../images/decorationPC.webp);
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    position: absolute;
    left: -45px;
    top: 50%;
    transform: translateY(-50%);
    z-index: -1;
}

@media screen and (max-width: 1024px) {
    .page__title {
        font-size: 3rem;
    }

    .page__title::before {
        width: 80px;
        height: 77px;
        left: -32px;
    }
}

/* .article header sp */
@media screen and (max-width: 767px) {
    .article__header {
        background-image: url(../images/page-backSP.webp);
        background-size: cover;
        margin-top: -62px;
        padding: 32% 0;
    }

    .page__title {
        top: 50%;
        left: 15%;
        font-size: 2rem;
    }

    .page__title::before {
        width: 50px;
        height: 45.7px;
        background-image: url(../images/decorationSP.webp);
        background-size: contain;
        background-position: center;
        left: -18px;
    }
}

/*===========================
recital
===========================*/

.section__recital {
    padding-top: 104px;
    position: relative;
    width: 100%;
    background-color: #F8F6F1;
    overflow-x: hidden;
}

.section__recital::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 0;
    opacity: 0.2;
    pointer-events: none;

    background-image: 
        url(../images/recital-img01.webp), url(../images/recital-img02.webp),
        url(../images/recital-img03.webp), url(../images/recital-img04.webp),
        url(../images/recital-img05.webp), url(../images/recital-img06.webp),
        url(../images/recital-img07.webp), url(../images/recital-img08.webp),
        url(../images/recital-img09.webp), url(../images/recital-img10.webp),
        url(../images/recital-img11.webp), url(../images/recital-img12.webp);

    background-position: 
        10% 5%,    85% 12%,
        50% 20%,   5% 32%,
        75% 40%,   20% 50%,
        90% 58%,   40% 68%,
        15% 75%,   80% 82%,
        30% 90%,   95% 95%;

    background-size: 
        220px auto,  300px auto,
        340px auto,  200px auto,
        270px auto,  320px auto,
        240px auto,  280px auto,
        210px auto,  330px auto,
        260px auto,  290px auto;

    background-repeat: no-repeat;

    mask-image: linear-gradient(
        to bottom,
        transparent 0%,
        black 5%,
        black 95%,
        transparent 100%
    );
    
    -webkit-mask-image: linear-gradient(
        to bottom,
        transparent 0%,
        black 5%,
        black 95%,
        transparent 100%
    );
}

.main__copy {
    margin: 0 auto;
    text-align: center;
    width: fit-content;
    font-size: 3.2rem;
    font-weight: 500;
    line-height: 150%;
}

.pink {
    color: var(--primary-pink);
}

.youtube {
    margin: 80px auto 0;
    position: relative;
    width: 82%;
    max-width: 1160px;
    aspect-ratio: 16 / 9;
    border-radius: 20px;
    overflow: hidden;
}

.youtube iframe {
    position: absolute;
    top: 0;
    left: 0;

    width: 100%;
    height: 100%;
}

.youtube__txt {
    margin-top: 10px;
    text-align: center;
    font-family: "BIZ UDPGothic";
    font-size: 1.4rem;
    font-weight: 400;
}

.recital__txt {
    margin-top: 80px;
    margin-bottom: 100px;
    text-align: center;
    font-family: "BIZ UDPGothic";
    font-size: 1.8rem;
    font-weight: 400;
    line-height: 200%;
}

@media screen and (max-width: 767px) {
    .section__recital {
        padding-top: 50px;
    }

    .section__recital::before {
        display: none;
    }

    .main__copy {
        font-size: 2rem;
    }

    .youtube {
        margin: 40px auto 0;
        width: 90%;
        max-width: 500px;
    }

    .youtube__txt {
        margin-top: 5px;
        font-size: 1.2rem;
    }

    .recital__txt {
        margin-top: 40px;
        margin-bottom: 70px;
        padding: 0 3%;
        font-size: 1.4rem;
    }
}