@charset "utf-8";

/* ----------------
page_title
---------------- */
#page_title .page_title_inner .page_title_img {
    background: url(../img/songs/page_title_img.webp) no-repeat;
    background-size: cover;
    background-position: center;
    background-color: var(--purple);
}
@media (max-width: 768px) {
    #page_title .page_title_inner .page_title_img {
    background-size: cover;
    background-position: center;
}
}

/* ----------------
songs
---------------- */
#songs {
    position: relative;
}

.accordion {
    border-bottom: 2px solid #949494;
    background-color: #fff;
}

.accordion:first-child {
    border-top: 2px solid #949494;
}

.accordion summary {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    flex-wrap: wrap;
    gap: 0 50px;
    position: relative;
        padding: 30px 100px 30px 40px;
    font-size: 2.0rem;
    font-weight: 600;
    cursor: pointer;
    color: var(--purple);
}

.accordion summary::-webkit-details-marker {
    display: none;
}

.accordion summary::before,
.accordion summary::after {
    position: absolute;
    right: 50px;
    width: 3px;
    height: 30px;
    background-color: var(--purple);
    content: '';
}

.accordion summary::before {
    rotate: 90deg;
}
.accordion[open] summary::before {
    background-color: #b27fb2;
}

.accordion summary::after {
    transition: rotate .3s;
}


.accordion[open] summary::after {
    rotate: 90deg;
    background-color: #b27fb2;
}

.accordion summary span {
    font-size: 1.6rem;
    font-weight: 500;
    color: var(--black);
}

.accordion summary br.is_sp {
    display: none;
}

.accordion .accordion_box {
    display: flex;
    justify-content: space-between;
    gap: 50px;
    padding-bottom: 50px;
    padding-right: 100px;
}

.accordion .accordion_box .left {
    width: 70%;
}

.accordion .accordion_box .left p.monospace {
    font-family: "M PLUS 1 Code", monospace;
    font-weight: 600;
}

.accordion .accordion_box .left p span.small {
    font-size: 80%;
    color: #333333;
}

.accordion .accordion_box .left p span {
    text-indent: -1em;
}

.accordion .accordion_box .left p span.caption::before {
    content: "※";
    display: inline;
    width: 1em;
    height: 1em;
}

.accordion .accordion_box .right {
    width: 50%;
    height: auto;
    max-height: 250px;
}

.accordion .accordion_box .right iframe {
    width: 100%;
    max-height: 250px;
}

.accordion p {
    transform: translateY(-10px);
    opacity: 0;
    width: calc(100% - 50px);
    margin: 0;
    padding: 0 0 40px 40px;
    color: #333333;
    transition: transform .5s, opacity .5s;
    font-size: 1.8rem;
    font-weight: 500;
    ruby-align: center;
}

.accordion[open] p {
    transform: none;
    opacity: 1;
}

.accordion .accordion_box .left p.n1,
.accordion .accordion_box .left p.n2,
.accordion .accordion_box .left p.n3,
.accordion .accordion_box .left p.n4 {
    text-indent: -1.2em;
    padding-left: 60px;
}

.accordion .accordion_box .left p.n1::before {
    content: "1.";
}

.accordion .accordion_box .left p.n2::before {
    content: "2.";
}

.accordion .accordion_box .left p.n3::before {
    content: "3.";
}

.accordion .accordion_box .left p.n4::before {
    content: "4.";
}

.accordion .accordion_box .left p::before {
    display: inline;
    width: 1em;
    height: 1em;
}

@media (max-width: 980px) {
    .accordion .accordion_box {
        flex-direction: column-reverse;
        padding: 15px 20px;
        padding-top: 0;
        gap: 30px;
    }
    .accordion p {
        padding-left: 0;
    }
    .accordion .accordion_box .left p.n1,
    .accordion .accordion_box .left p.n2,
    .accordion .accordion_box .left p.n3,
    .accordion .accordion_box .left p.n4 {
        padding-left: 1em;
    }
}

@media (max-width: 768px) {
    .accordion summary {
        justify-content: center;
        padding: 15px 20px;
        font-size: 1.5rem;
        flex-direction: column;
        text-align: left;
        align-items: flex-start;
        padding-right: 50px;
    }
    .accordion summary span {
        font-size: 1.4rem;
        margin-left: 0;
    }
    .accordion summary br.is_sp {
        display: block;
    }

    .accordion summary::before,
    .accordion summary::after {
        right: 25px;
        height: 15px;
    }

    .accordion .accordion_box .left, 
    .accordion .accordion_box .right {
        width: 100%;
        max-height: none;
    }

    .accordion p {
        align-items: flex-start;
        width: calc(100% - 30px);
        margin: 0;
        padding: 0 0 20px 0;
        font-size: 1.5rem;
    }
    .accordion .accordion_box .right iframe {
        max-height: 200px;
    }
}