@charset "utf-8";

/* CSS INFORMATION -====================================================
File name : music.css
Description : 主題歌
===================================================================== */

.music {
    padding: calc(170 / 750 * 100%) 0;
}

.music_img {
    width: calc(520 / 690 * 100%);
    margin: 0 auto calc(60 / 690 * 100%);
}

.music_img span {
    display: block;
}

.music_img::before,
.music_img::after,
.music_img span::before,
.music_img span::after {
    content: '';
    position: absolute;
    width: calc(40 / 690 * 100%);
    padding-top: calc(40 / 690 * 100%);
    border-top: .15em solid var(--red);
    border-left: .15em solid var(--red);
    z-index: 2;
}

.music_img::before {
    top: 0;
    left: 0;
}

.music_img::after {
    top: 0;
    right: 0;
    -webkit-transform: scale(-1, 1);
    -ms-transform: scale(-1, 1);
    transform: scale(-1, 1);
}

.music_img span::before {
    bottom: 0;
    left: 0;
    -webkit-transform: scale(1, -1);
    -ms-transform: scale(1, -1);
    transform: scale(1, -1);
}

.music_img span::after {
    bottom: 0;
    right: 0;
    -webkit-transform: scale(-1, -1);
    -ms-transform: scale(-1, -1);
    transform: scale(-1, -1);
}

.music_txt {
    text-align: center;
}

.music_ttl {
    font-weight: bold;
    font-size: 3.6rem;
    color: var(--red);
}

.music_artist {
    display: block;
    width: calc(111 / 690 * 100%);
    margin: .5em auto .2em;
}

.music_comment {
    background-color: var(--red2);
    padding: calc(60 / 690 * 100%) calc(30 / 690 * 100%);
    margin-top: calc(70 / 690 * 100%);
}

.music_comment_ttl {
    text-align: center;
    font-family: var(--font_en);
    color: var(--red);
    font-weight: bold;
    font-size: 4rem;
    letter-spacing: 0.05em;
    line-height: 1;
    padding-bottom: .6em;
    margin-bottom: 1em;
}

.music_comment_ttl::before {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    margin: 0 auto;
    display: block;
    width: 1.5em;
    height: 0.3em;
    background-image: -o-radial-gradient(var(--red) 30%, transparent 30%);
    background-image: radial-gradient(var(--red) 30%, transparent 30%);
    background-size: 0.3em 0.3em;
}

.music_comment_txt:not(:last-child) {
    margin-bottom: 3.5em;
}

.btn_official a {
    border: .15em solid var(--red);
    line-height: 1;
    text-align: center;
    padding: 1.5em 1em;
    border-radius: 2em;
    -webkit-box-shadow: 2px 2px 10px 0px rgba(0, 0, 0, 0.25);
    box-shadow: 2px 2px 10px 0px rgba(0, 0, 0, 0.25);
}

.btn_official a span {
    font-weight: bold;
}

@media screen and (min-width: 768px) {
    .music {
        padding: calc(140 / 1400 * 100%) 0;
    }
    .music_img {
        width: calc(520 / 1200 * 100%);
        margin: 0 auto calc(30 / 1200 * 100%);
    }
    .music_img::before,
    .music_img::after,
    .music_img span::before,
    .music_img span::after {
        width: calc(40 / 520 * 100%);
        padding-top: calc(40 / 520 * 100%);
    }
    .music_ttl {
        font-size: 2.8rem;
    }
    .music_artist {
        width: calc(111 / 1200 * 100%);
        margin: .5em auto;
    }
    .music_label {
        font-size: 1.6rem;
    }
    .music_comment {
        padding: calc(40 / 1200 * 100%) calc(60 / 1200 * 100%);
        width: calc(1000 / 1200 * 100%);
        margin: calc(40 / 1200 * 100%) auto 0;
    }
    .music_comment_ttl {
        font-size: 2rem;
        padding-bottom: 0.8em;
    }
    .music_comment_ttl::before {
        width: 2.8em;
        height: 0.55em;
        background-size: 0.55em 0.55em;
    }
    .btn_official a:hover {
        background-color: var(--red);
        color: #fff;
    }
    .btn_official a {
        padding: 1em;
    }
}

@media screen and (min-width: 1400px) {
    .music {
        padding: 140px 0;
    }
}