a.btn_block,
a .btn_block {
  display: flex;
  justify-content: center;
  align-items: center;
}
.btn_block {
  background: #333;
  color: #FFF;
  height: 40px;
  border-radius: 30px;
  text-decoration: none;
  width: 100%;
  max-width: 230px;
  position: relative;
  transition: .5s;
}
.btn_block::after {
  background: url('data:image/svg+xml;charset=utf8,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%2236%22%20height%3D%2236%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22%23FFFFFF%22%20stroke-width%3D%222%22%20class%3D%22ai%20ai-CircleChevronRightFill%22%3E%3Cpath%20fill-rule%3D%22evenodd%22%20clip-rule%3D%22evenodd%22%20d%3D%22M12%201C5.925%201%201%205.925%201%2012s4.925%2011%2011%2011%2011-4.925%2011-11S18.075%201%2012%201zM9.793%208.707a1%201%200%200%201%201.414-1.414l4%204a1%201%200%200%201%200%201.414l-4%204a1%201%200%200%201-1.414-1.414L13.086%2012%209.793%208.707z%22%2F%3E%3C%2Fsvg%3E') no-repeat;
  background-size: 100%;
  content: "";
  display: block;
  width: 16px;
  height: 16px;
  position: absolute;
  top: calc(50% - 8px);
  right: 10px;
}
.btn_block:hover,
a:hover .btn_block {
  background: #111;
}
.btn_red {
  background: #e8464d;
}
.btn_red:hover,
a:hover .btn_red {
  background: #b10f16;
}
.btn_big {
  max-width: 250px;
  height: 70px;
  border-radius: 50px;
  box-shadow: 0 5px 10px rgba(51,51,51,.15);
}
.btn_big::after {
  width: 30px;
  height: 30px;
  top: calc(50% - 15px);
  right: 20px;
}

/* news
-------------------------------- */
#news_contents {
  margin-top: 90px;
}
#news_contents p {
  margin-bottom: 15px;
}
#news_contents p:last-child {
  margin-bottom: 0;
}
#news_contents.openingparty main {
  background: #000;
}
#news_contents.openingparty main h1 {
  display: flex;
  justify-content: center;
}
#news_contents.openingparty main img {
  width: 800px;
}
#news_contents.openingparty article {
  width: 1000px;
  margin: 0 auto;
}
#news_contents.openingparty h2 {
  font-size: 50px;
  line-height: 120%;
  font-family: "Libre Baskerville", "Noto Serif JP", serif;
  margin-bottom: 40px !important;
}
#news_contents.openingparty h2 small {
  font-size: 16px;
  line-height: 120%;
  display: block;
}
#news_contents.openingparty article section {
  margin: 80px 0;
  text-align: left;
}
#news_contents.openingparty .btn {
  margin: 15px 0;
}
#news_contents.openingparty #information {
  text-align: center;
  font-size: 36px;
  font-family: "Libre Baskerville", "Noto Serif JP", serif;
  line-height: 180%;
  background: #e8464d;
  color: #FFF;
  padding: 80px 0;
  margin: 0;
}
#news_contents.openingparty #about h2 {
  font-size: 32px;
  line-height: 160%;
}
#news_contents.openingparty #artist h2,
#news_contents.openingparty #ticket h2 {
  text-align: center;
}
#news_contents.openingparty #artist h2 {
  color: #e8464d;
}
#news_contents.openingparty #links h2,
#news_contents.openingparty #avma h2,
#news_contents.openingparty #avms h2,
#news_contents.openingparty #podcast h2,
#news_contents.openingparty #credit_contact h2 {
  font-size: 28px;
  line-height: 160%;
  margin-bottom: 15px !important;
}
#news_contents.openingparty #artist ul {
  display: flex;
  justify-content: space-between;
}
#news_contents.openingparty #artist ul li {
  width: 31%;
  text-align: center;
}
#news_contents.openingparty #artist ul li h3 {
  margin-top: 10px;
  font-size: 21px;
  font-family: "Libre Baskerville", "Noto Serif JP", serif;
  line-height: 160%;
}
#news_contents.openingparty #artist ul li h3 small {
  font-size: 16px;
  line-height: 160%;
  margin-left: 5px;
}
#news_contents.openingparty #ticket {
  background: #f9f2f2;
  padding: 50px;
}
#news_contents.openingparty #ticket dl {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
  border-bottom: 1px solid #DDD;
}
#news_contents.openingparty #ticket dl dt,
#news_contents.openingparty #ticket dl dd {
  padding: 10px 0;
  margin: 0;
  border-top: 1px solid #DDD;
}
#news_contents.openingparty #ticket dl dt {
  width: 20%;
}
#news_contents.openingparty #ticket dl dd {
  width: 80%;
}
#news_contents.openingparty #ticket dl dd.notice p {
  text-indent: -1em;
  padding-left: 1em;
}
#news_contents.openingparty #ticket .playguide {
  margin-top: 50px;
}
#news_contents.openingparty #ticket .playguide dl,
#news_contents.openingparty #ticket .playguide dl dt,
#news_contents.openingparty #ticket .playguide dl dd {
  border: none;
}
#news_contents.openingparty #ticket .playguide dl dt,
#news_contents.openingparty #ticket .playguide dl dd {
  margin-bottom: 15px;
  background: #FFF;
  padding: 15px;
}
#news_contents.openingparty #ticket .playguide dl dt {
  text-align: center;
}
#news_contents.openingparty #ticket .playguide dl dt img {
  width: 100px;
}
#news_contents.openingparty #ticket .playguide .notice {
  font-size: 14px;
  line-height: 160%;
}
#news_contents.openingparty #links ul li {
  margin-bottom: 10px;
  text-indent: -1em;
  padding-left: 1em;
}
#news_contents.openingparty #links ul li::before {
  content: "";
  display: inline-block;
  width: 16px;
  height: 16px;
  background: url('data:image/svg+xml;charset=utf8,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%2216%22%20height%3D%2216%22%20fill%3D%22%23000000%22%20class%3D%22bi%20bi-dot%22%20viewBox%3D%220%200%2016%2016%22%3E%20%3Cpath%20d%3D%22M8%209.5a1.5%201.5%200%201%200%200-3%201.5%201.5%200%200%200%200%203%22%2F%3E%3C%2Fsvg%3E') no-repeat center;
  background-size: 100%;
}
#news_contents.openingparty #credit_contact {
  text-align: center;
  border-top: 1px solid #DDD;
  padding-top: 80px;
}
#news_contents.openingparty #credit_contact p {
  margin-bottom: 50px;
  font-size: 21px;
  font-family: "Libre Baskerville", "Noto Serif JP", serif;
  line-height: 160%;
}