@charset "UTF-8";
/**** グローバル設定 ****/
html, body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 200vh;
  font-size: 1.2rem;
  font-family: Meiryo, 'Hiragino Kaku Gothic ProN', sans-serif;
}

img {
  border: none;
}

/**** ヘッダ ****/
header {
  position: fixed;
  top: 0;
  z-index: 100;
  background-color: #DC1B1B;
  color: white;
  border-bottom: 3px solid #ED2C2C;
  width: 100%;
  height: 3rem;
  line-height: 3rem;
}

header > * {
  box-sizing: border-box;
}

header > *.album_title {
  text-align: left;
  padding: 0 1rem;
}

header > *.tweet_intent {
  position: absolute;
  top: 0;
  right: 0;
  text-align: right;
}

header > *.tweet_intent > a {
  padding: 0 1rem;
  color: white;
  text-decoration: none;
  display: inline-block;
  transition: .25s;
}

header > *.tweet_intent > a:hover {
  color: #36151E;
  background-color: white;
}

header::after {
  content: "";
  display: table;
  clear: both;
}

/**** トップ ****/
section#top {
  background-color: #36151E;
  height: 100vh;
  background: url("../img/topimg.jpg") no-repeat center top;
  background-size: cover;
}

/**** デモ ****/
section#demo {
  position: relative;
  height: 166px;
}

section#demo > iframe {
  z-index: 1;
}

section#demo > div.cover {
  z-index: 2;
  position: absolute;
  top: 0;
  display: block;
  width: 100%;
  height: 166px;
  background-color: #36151E;
  color: white;
  text-align: center;
  cursor: pointer;
}

section#demo > div.cover:hover {
  color: rgba(255, 255, 255, 0.5);
}

section#demo > div.cover > span {
  display: inline-block;
  position: relative;
  top: calc(83px - 0.5em);
  vertical-align: middle;
  width: 100%;
  box-sizing: border-box;
  text-align: center;
  padding: 0 83px;
  border-bottom: 3px solid #323232;
}

section#demo > div.cover::before, section#demo > div.cover::after {
  z-index: 3;
  content: "";
  display: block;
  position: absolute;
  width: 0px;
  height: 0px;
  border: 83px solid #323232;
}

section#demo > div.cover::before {
  top: 0;
  left: 0;
  border-right-color: transparent;
  border-bottom-color: transparent;
}

section#demo > div.cover::after {
  right: 0;
  bottom: 0;
  border-top-color: transparent;
  border-left-color: transparent;
}

/**** 詳細 ****/
section#detail {
  padding: 5rem 0;
  background-color: #DC1B1B;
  color: white;
  text-align: center;
}

section#detail > * {
  vertical-align: middle;
  text-align: left;
  display: inline-block;
  width: 95%;
  max-width: 30rem;
  margin: 1rem 2%;
}

section#detail > article > h2 {
  font-size: 1.5rem;
}

section#detail > ol#track_list {
  box-sizing: border-box;
}

section#detail > ol#track_list > li {
  margin: 2rem 0;
}

section#detail > ol#track_list > li::after {
  content: "";
  display: table;
  clear: both;
}

section#detail > ol#track_list > li > span {
  padding-left: 1rem;
  white-space: nowrap;
}

section#detail > ol#track_list > li > span:last-child {
  float: right;
}

section#detail::after {
  content: "";
  display: table;
  clear: both;
}

/**** インフォメーション ****/
section#info {
  background-color: #36151E;
  padding: 5rem 0;
  text-align: center;
}

section#info > article {
  display: inline-block;
  vertical-align: middle;
  text-align: left;
  width: 95%;
  max-width: 20rem;
  box-sizing: border-box;
  height: 100%;
  margin: 1rem 2%;
  border: 1px solid white;
  border-radius: 3px;
  padding: 1rem;
  line-height: 2rem;
  color: white;
}

section#info > article a {
  color: white;
}

section#info > article a:hover {
  text-decoration: none;
}

section#info::after {
  content: "";
  display: table;
  clear: both;
}

/**** ジャケットダウンロード ****/
section#jacket {
  padding: 5rem 0;
  background-color: #DC1B1B;
  width: 100%;
  text-align: center;
}

section#jacket > * {
  display: inline-block;
  vertical-align: middle;
  text-align: left;
}

section#jacket > img {
  width: 100%;
  max-width: 300px;
}

section#jacket > p {
  margin: 1rem;
  padding: 0;
}

section#jacket > p > a {
  color: white;
  text-decoration: none;
  display: block;
  padding: 1rem;
  border: 1px solid white;
  border-radius: 3px;
  transition: 0.2s;
  white-space: nowrap;
}

section#jacket > p > a:hover {
  box-shadow: 0 0 10px 4px rgba(255, 255, 255, 0.4) inset;
}

/**** クレジット ****/
section#credit {
  padding: 5rem 0;
  background-color: #36151E;
  color: white;
}

section#credit > dl {
  width: 95%;
  max-width: 40rem;
  margin: 0 auto;
}

section#credit > dl > dt {
  border-bottom: 1px solid lightgray;
  padding: 0 1rem;
}

section#credit > dl > dd > ul {
  list-style: none;
  padding: 0;
}

section#credit > dl > dd > ul > li {
  display: block;
  width: 100%;
}

section#credit > dl > dd > ul > li::after {
  content: "";
  display: table;
  clear: both;
}

section#credit > dl > dd > ul > li > span {
  display: inline-block;
  padding: 1rem;
  white-space: nowrap;
}

section#credit > dl > dd > ul > li > span > a {
  padding: 0.5rem;
  text-decoration: none;
}

section#credit > dl > dd > ul > li > span > a[href] {
  transition: .25s;
}

section#credit > dl > dd > ul > li > span.name > a {
  color: white;
}

section#credit > dl > dd > ul > li > span.name > a[href]:hover {
  color: #36151E;
  background-color: white;
}

section#credit > dl > dd > ul > li > span.link {
  float: right;
}

section#credit > dl > dd > ul > li > span.link > a {
  color: lightgray;
}

section#credit > dl > dd > ul > li > span.link > a[href]:hover {
  color: #36151E;
  background-color: lightgray;
}

/**** フッタ ****/
footer {
  border-top: 1px solid #505050;
}

footer, #fc2_footer {
  background-color: #323232;
  text-align: center;
  color: darkgray;
  font-size: 0.8rem;
  line-height: 2rem;
}

footer a, #fc2_footer a {
  color: darkgray;
  text-decoration: none;
}

footer a:hover, #fc2_footer a:hover {
  text-decoration: underline;
}