@charset "UTF-8";

/* body */
body {
    font-family: "Kaisei Tokumin", serif;
    font-weight: 400;
    font-style: normal;
}

body {
    color: #fff;
    padding-bottom: 100px;
    margin: 0;
    margin-bottom: 50px;
    padding: 0;
}

.video {
    position: fixed;
    right: 0;
    bottom: 0;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: -100;
    background-size: cover;
}

/* header */
.site-header {
    width: 100%;
    background: #171717;
    color: #fff;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
}

.site-title {
    font-size: 22px;
    font-weight: bold;
}

.title_a {
    color: #fff;
    text-decoration: none;
}

/* aside */
main {
    position: relative;
}

aside {
    background-color: rgba(0,0,0,0.8);
    width: 350px;
    height: 100%;
    top: 0;
    left: -350px;
    position: fixed;
    z-index: 1500;
}

aside > ul {
    margin: 0;
    padding: 0;
    top: 50px;
    left: 114px;
    position: absolute;
}

aside li {
    margin: 0 0 20px;
    list-style: none;
}

aside button {
    background-color: rgba(0,0,0,0.8);
    display: block;
    position: absolute;
    top: 150px;
    left: 350px;
    width: 52px;
    height: 132px;
    margin: 0;
    padding: 0;
    border: none;
    border-radius: 0%;
}

.artwork_title {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.artwork_list {
    display: none;
    padding-left: 15px;
}

.menu,
.menu > li,
.artwork {
    display: block;
}

.artwork_list li {
    display: block;
}

aside a {
    text-decoration: none;
}

.arrow {
    display: inline-block;
    margin-left: 5px;
    transition: transform 0.3s;
}

/* progress */
.loading {
    position: fixed;
    inset: 0;
    background: #171717;
    z-index: 3000;

    display: flex;
    justify-content: center;
    align-items: center;
}

.loading_inner {
    width: 300px;
    text-align: center;
    color: #fff;
}

.bar {
    width: 100%;
    height: 8px;
    background: #333;
    margin-bottom: 10px;
}

.bar_inner {
    width: 0%;
    height: 100%;
    background: #fff;
    transition: width 0.2s;
}

.percent {
    font-size: 14px;
}

/* slideshow */
.slideshow {
    overflow: hidden;
    position: relative;
    min-width: 960px;
    height: 533px;
}

.slideshow img {
    display: none;
    position: absolute;
    width: 1600px;
    left: 50%;
    margin-left: -800px;
}

.no-js .slideshow img:first-child {
    display: inline;
}

.slideshow_mini {
    overflow: hidden;
    position: relative;
    min-width: 960px;
    height: 533px;
    margin: 50px;
}

.slideshow_mini img {
    display: none;
    position: absolute;
    width: 800px;
    left: 50%;
    margin-left: -400px;
}

.no-js .slideshow_mini img:first-child {
    display: inline;
}

/* content */
.drama_content {
    display: flex;
    background-color: rgba(209, 209, 209, 0.5);
    align-items: center;
    width: 1000px;
    padding: 20px;
    margin: 50px 0;
    margin-left: auto;
    margin-right: auto;
    justify-content: space-between;
}

.drama_content h3 {
    text-align: left;
}

.content_inner {
    margin: 10px;
}

.content_inner a {
    display: block;
    justify-content: right;
    margin-top: 50px;
}

.content_img {
    width: 700px;
}

a {
    color: #fff;
    text-align: right;
}

a:hover {
    opacity: 0.5;
}

/* detail */
h3 {
    text-align: center;
    margin-bottom: 60px;
    color: #fff;
}

.introduction_inner, .introduction_two_inner {
    display: flex;
    justify-content: space-between;
}

.introduction {
    background-color: rgba(209, 209, 209, 0.5);
    padding: 50px;
}

.introduction_two {
    background-color: rgba(209, 209, 209, 0.5);
    padding: 50px 200px;
}

.intro_item {
    width: 400px;
}

.intro_img {
    width: 400px;
}

.content_img, .intro_img {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.chart {
    text-align: center;
    padding: 20px;
    background-color: rgba(209, 209, 209, 0.5);
}

.chart_img {
    height: 600px;
}

.song {
    background-color: rgba(209, 209, 209, 0.5);
    padding: 50px;
}

.song_inner {
    width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.song_img {
    width: 800px;
    display: block;
}

.song_bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    border: 1px solid #686868;
    height: 50px;
    background-color: rgba(209, 209, 209, 0.5);
}

.song_title {
    color: #000;
}

.main_content {
    text-align: center;
    margin: 50px;
    margin-left: auto;
    margin-right: auto;
}

.main_img {
    width: 100%;
    display: block;
    transition: filter 0.3s ease;
}

.text {
    position: absolute;
    bottom: 0;
    left: 0;
    display: block;
    width: 100%;
    padding: 15px;
    box-sizing: border-box;

    color: #fff;
    font-size: 20px;

    opacity: 0;
    transition: opacity 0.3s ease;
}

.main_content {
    position: relative;
    width: 900px;
    overflow: hidden;
}

/* contact */
.contact {
    width: 1000px;
    margin-left: auto;
    margin-right: auto;
    padding: 20px;
    background-color: rgba(209, 209, 209, 0.5);
}

.contact_inner {
    width: 300px;
    margin-left: auto;
    margin-right: auto;
}

.contact input, textarea {
    width: 300px;
}

.error_msg {
    color: #ffffff;
    text-align: center;
    padding: 10px;
    font-weight: bold;
}

.check {
    margin-right: 10px;
}

.btn_flex {
    display: flex;
    justify-content: right;
}

button {
    padding: 8px;
    border: none;
    border-radius: 10px;
}

/* stream */
.stream_inner {
    width: 350px;
    margin-left: auto;
    margin-right: auto;
}

.stream_title {
    padding: 10px;
    text-decoration: none;
    font-size: large;
}

.center {
    text-align: center;
}

/* scroll */
#page-top {
    display: none;
    position: fixed;
    bottom: 50px;
    right: 50px;
    
    width: 70px;
    height: 70px;
    line-height: 70px;
    text-align: center;
    background: #ffffff;
    color: rgb(0, 0, 0);
    text-decoration: none;
    border-radius: 50px;
    font-size: 30px;
    font-weight: bold;
    opacity: 0.8;
    z-index: 1000;
}

/* ホバー時のスタイル */
#page-top:hover {
    opacity: 1;
}