@charset "euc-jp";
/*リセットcss*/
div#container {
  margin-bottom: 0;
  padding-top: 73px;
  padding-left: 0;
  width: 100%;
  color: #ffffff;
}

#header {
  width: 100% !important;
}

#new_footer {
  width: 100%;
  padding-top: 0;
}
#new_footer hr.top_line {
  margin-top: 0;
}
#footer_main h3 {
  padding-top: 15px;
}



.event-detail {
  box-sizing: border-box;
  font-family: "Hiragino Kaku Gothic Pro","Hiragino Kaku Gothic Pro","ヒラギノ角ゴ Pro W3","メイリオ",Meiryo,sans-serif;
  text-align: center;
}

.hero-wrap {
  position: relative;
  box-sizing: border-box;
  width: 100%;
  height: 861px;
  background: url(https://assets.chatpia.jp/common/event/img/17th_anniversary/bg_hero.png) center 73px no-repeat;
  background-size: 1920px;
  background-attachment: fixed;
}

.hero-wrap:before {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  display: block;
  content: "";
  width: 100%;
  height: 330px;
  background: url(https://assets.chatpia.jp/common/event/img/17th_anniversary/hero_head.png) center top no-repeat;
  background-size: cover;
}

.hero-wrap:after {
  position: absolute;
  bottom: 0;
  left: 0;
  display: block;
  content: "";
  width: 100%;
  height: 760px;
  background: url(https://assets.chatpia.jp/common/event/img/17th_anniversary/hero_confetti.png) center bottom no-repeat;
  background-size: cover;
}

.hero {
  display: block;
  margin: 0 auto;
  padding: 0 !important;
  overflow: hidden;
}

.hero-image {
  display: block;
  transform: translateX(10px);
  backface-visibility: hidden;
  margin: 70px auto 0;
  opacity: 0;
}

.hero-image.is_active {
  animation: fadein .7s forwards;
}

@keyframes fadein {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}



.content {
  position: relative;
  padding-top: 80px;
  background: linear-gradient(to bottom, #1c0c33 10%, #070110 100%);
}

.content:before {
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  content: "";
  width: 100%;
  height: 1352px;
  background: url(https://assets.chatpia.jp/common/event/img/17th_anniversary/section_confetti.png) center top no-repeat;
  background-size: cover;
}

.section.is_introduction {
  margin-bottom: 50px;
}

.section.is_event {
  margin: 0;
  padding: 30px 0 90px;
  background: url(https://assets.chatpia.jp/common/event/img/17th_anniversary/bg_event_list.png) center top;
}

.section-inner {
  opacity: 0;
  transform: translateY(10px);
  backface-visibility: hidden;
}

.section.is_active .section-inner {
  animation: slideup .6s forwards;
}

@keyframes slideup {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.section-inner-title {
  width: 640px;
  height: 26px;
  margin: 0 auto 40px;
  padding: 16px 0 30px;
  background: url(https://assets.chatpia.jp/common/event/img/17th_anniversary/section_title_ribbon.png) 0 0 no-repeat;
  background-size: 640px;
  font-size: 26px;
  font-weight: bold;
  line-height: 1;
  text-align: center;
  text-shadow: -1px -1px rgba(0,0,0,0.5);
}

.section-inner-data__text {
  font-size: 22px;
  line-height: 1.8;
  margin-bottom: 20px;
}

.section-inner-data__text:last-child {
  margin-bottom: 0;
}

.text.is_emphasis{
  font-weight: bold;
  color: #ffff00;
}

.event-list {
  display: flex;
  flex-wrap: wrap;
  align-content: space-between;
  width: 1300px;
  margin: 0 auto;
  list-style-type: none;
}

.event-list-item {
  position: relative;
  box-sizing: border-box;
  width: 298px;
  margin: 50px 10px;
  padding: 25px 15px 10px;
  background: url(https://assets.chatpia.jp/common/event/img/17th_anniversary/bg_frame.png) center 0 repeat-y;
  background-size: 100%;
}

.event-list-item:before {
  position: absolute;
  top: -17px;
  left: 0;
  content: "";
  width: 298px;
  height: 17px;
  background-image: url(https://assets.chatpia.jp/common/event/img/17th_anniversary/bg_frame_edge.png);
  background-size: 100%;
}

.event-list-item:after {
  position: absolute;
  bottom: -17px;
  left: 0;
  content: "";
  width: 298px;
  height: 17px;
  background-image: url(https://assets.chatpia.jp/common/event/img/17th_anniversary/bg_frame_edge.png);
  background-size: 100%;
  background-position: 0 -17px;
}

.event-list-item-inner:link, .event-list-item-inner:visited {
  color: inherit;
  text-decoration: none;
}

.event-list-item-inner:hover {
  text-decoration: inherit;
}

.event-list-item-title {
  position: relative;
  margin-bottom: 5px;
  font-size: 16px;
  font-weight: bold;
  color: #f4d28a;
}

.event-list-item-title:after {
  position: absolute;
  top: -90px;
  left: 50%;
  transform: translateX(-50%);
  content: "";
  width: 112px;
  height: 100px;
  background: url(https://assets.chatpia.jp/common/event/img/17th_anniversary/section_event_number.png) 0 0 no-repeat;
  background-size: 100%;
}

.event-list-item.number_02 .event-list-item-title:after {
  background-position: 0 -100px;
}

.event-list-item.number_03 .event-list-item-title:after {
  background-position: 0 -200px;
}

.event-list-item.number_04 .event-list-item-title:after {
  background-position: 0 -300px;
}

.event-list-item.number_05 .event-list-item-title:after {
  background-position: 0 -400px;
}

.event-list-item.number_06 .event-list-item-title:after {
  background-position: 0 -500px;
}

.event-list-item.number_07 .event-list-item-title:after {
  background-position: 0 -600px;
}

.event-list-item.number_08 .event-list-item-title:after {
  background-position: 0 -700px;
}

.event-list-item-text {
  margin-bottom: 10px;
  font-size: 14px;
  font-weight: bold;
}

.event-list-item-banner {
  display: block;
  max-width: 100%;
  height: 64px; /*バナーによって高さ変わるので*/
  margin: 0 auto;
}



@media (max-width: 1300px) {
  .content:before {
    z-index: 1;
    width: 40%;
    height: 100%;
    background: url(https://assets.chatpia.jp/common/event/img/17th_anniversary/section_confetti_left.png) center top no-repeat;
    background-size: contain;
  }

  .content:after {
    position: absolute;
    top: 0;
    right: 0;
    z-index: 1;
    display: block;
    content: "";
    width: 55%;
    height: 100%;
    background: url(https://assets.chatpia.jp/common/event/img/17th_anniversary/section_confetti_right.png) center top no-repeat;
    background-size: contain;
  }

  .section.is_introduction {
    position: relative;
    z-index: 2;
  }

  .section.is_event {
    position: relative;
    z-index: 2;
    background-size: contain;
  }

  .event-list {
    width: 800px;
    justify-content: space-around;
  }
}

@media (min-width: 1921px) {
  .hero-wrap {
    background-size: cover;
  }
  .hero-wrap:before, .hero-wrap:after {
    background-size: 100%;
  }
}