@charset "utf-8";

html {
  font-size: 62.5%;
}
body {
  font-family: 'Noto Sans JP',"ヒラギノ角ゴ ProN", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "メイリオ", Meiryo, "游ゴシック Medium", "游ゴシック体", "Yu Gothic Medium", YuGothic, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
  font-size: 1.7em;
  font-weight: 500;
  line-height: 2;
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

a {
  color: #369;
}

ul li {
  margin-left: 2.5rem;
}

.break-word {
  overflow-wrap: break-word;
}
.small {
  font-size: 1.2rem;
}

.font-bold {
  font-weight: 700;
}

.font-red {
  color: #f00;
  font-weight: bold;
}

.hover:hover {
  opacity: .8!important;
  transition: .3s;  
}

.border {
  border: 1px solid #ccc;
}

@media (max-width: 577px) {
  body {
    font-size: 1.4em;
  }
  ul li {
    margin-left: 2rem;
  }
  .small {
    font-size: 1rem;
  }
}

/*--------------------
      デザインページ
--------------------*/

#main {
  background-color: #000;
  color: #fff;
  font-size: 1.6rem;
}

#main a {
  color: #fff;
}

#main .font-red {
  color: #f60;
}

.bg-top {
  background-image: url(../images/bg_top.jpg) ;
  background-position: top center;
  background-size: 100%;
  background-repeat: no-repeat;
}
.bg-1 {
  background-image: url(../images/bg_1.jpg) ;
  background-position: top center;
  background-size: 100%;
  background-repeat: no-repeat;
}
.bg-2 {
  background-image: url(../images/bg_2.jpg) ;
  background-position: top center;
  background-size: 100%;
  background-repeat: no-repeat;
}
.bg-3 {
  background-image: url(../images/bg_2.jpg), url(../images/bg_3.jpg);
  background-position: top center, bottom center;
  background-size: 100%;
  background-repeat: no-repeat no-repeat;
}

.inner-white {
  background-color: #fff;
  padding: 4rem 4rem 3rem;
  color: #000;
}

.box {
  max-width: 950px;
  margin: auto;
  padding: 3rem 4rem;
  border: 3px solid #f60;
  border-radius: 15px!important;
  background-color: rgba(0, 0, 0, .5);
}

@media (max-width: 577px) {
  .bg-top {
    background-size: cover;
  }
  #main {
    font-size: 1.4rem;
  }
  .box {
    padding: 2rem;
    border: 2px solid #f60;
    border-radius: 8px;
  }
  .inner-white {
    padding: 2rem;
  }
}

/*--------------------
      見出し
--------------------*/

.headline-en {
  font-size: 1.5rem;
  margin-bottom: 4rem;
  text-align: center;
  line-height: 1.5;
}
.headline-en span {
  font-size: 8rem;
  font-style: italic;
  font-weight: 400;
  color: #f60;
}

.headline-small {
  margin-bottom: 2rem;
  font-size: 2.8rem;
  text-align: center;
  font-weight: 700;
  line-height: 1.6;
}

.headline-border {
  color: #000;
  font-weight: 700;
  font-size: 2.2rem;
  text-align: center;
  margin-bottom: 3rem;
  padding: 0.2rem .5rem .3rem;
  border-bottom: 1px solid #000;
  border-top: 1px solid #000;
}

/* 子ページのみ */

.headline-bar {
  margin-bottom: 4rem;  
  position: relative;
  margin-bottom: 6.5rem;
  font-size: 3.8rem;
  font-weight: 700;
  text-align: center;
  line-height: 1.6;
}
.headline-bar:before {
  position: absolute;
  bottom: -2rem;
  left: calc(50% - 25px);
  width: 50px;
  height: 8px;
  content: '';
  background: #f60;
}

h4 {
  margin-bottom: 1.5rem;
  padding: .8rem 1.2rem;
  background-color: #eee;
  font-weight: bold;
  line-height: 1.6;
}
h5 {
  margin-top: 2.5rem;
  margin-bottom: 1.5rem;
  font-weight: 700;
  line-height: 1.6;
  border-bottom: 1px solid #ccc;
  padding-bottom: .5rem;
}

@media (max-width: 768px) {
  .headline-en {
    font-size: 1.4rem;
  }
  .headline-en span {
    font-size: 6rem;
  }
  .headline-small {
    font-size: 2.6rem;
  }
}

@media (max-width: 577px) {
  .headline-en {
    font-size: 1.2rem;
    margin-bottom: 3rem;
  }
  .headline-en span {
    font-size: 4.2rem;
  }
  .headline-bar {
    font-size: 2.6rem;
    margin-bottom: 5rem;
  }
  .headline-small {
    font-size: 2.2rem;
  }
  .headline-border {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    padding: 0.25rem;
  }
}

/*--------------------
        ボタン
--------------------*/

.btn-tt {
  background: linear-gradient(#34578a, #162e52);
  color: #fff;
}
.btn-app {
  background: linear-gradient(#ff6600, #ff3300);
  color: #fff;
}

.btn-width {
  max-width: 450px;
  position: relative;
  display: block;
  padding: 2.5rem 1rem; 
  border-radius: 100px;
  margin: auto;
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  font-size: 2.4rem;
  font-weight: 600;
}
.btn-width-s {
  max-width: 280px;
  position: relative;
  display: block;
  padding: 1.5rem 1rem; 
  border-radius: 100px;
  margin: auto;
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  font-size: 1.8rem;
  font-weight: 600;
}

/* arrow */

.arrow-r-white::after {
  content: '';
  border: 0;
  border-top: solid 3px #fff;
  border-right: solid 3px #fff;
  display: inline-block;
  width: 6px;
  height: 7px;
  position: absolute;
  top: 50%;
  right: 27px;
  transform: translateY(-45%) rotate(45deg);
}

@media (max-width: 577px) {
  .btn-width {
    max-width: 85%;
    padding: 1.8rem 1rem; 
    font-size: 1.7rem;
  }
  .arrow-r-white::after,{
    right: 20px;
  }
}

@media (max-width: 480px) {
  .btn-width {
    max-width: 90%;
    font-size: 1.5rem;
  }
}

/*--------------------
      トップページ
--------------------*/

/* トップ */

#top {
  padding-top: 4rem;
  text-align: center;
}

.title {
  margin-bottom: 4rem;
}

.title-place {
  font-size: 2.5rem;
}

.pickup {
  padding: 1.5rem;
}

.pickup-sessions .inner {
  padding: 1rem 2rem 1.5rem;
  background-color: #fff;
  box-shadow: 5px 5px 15px 0px rgba(0, 0, 0, 0.3);
}

.pickup-sessions a .session-ttl {
  text-decoration: underline;
  color: #000;
  text-align: left;
}

.pickup-sessions .session-ttl {
  font-weight: 600;
  line-height: 1.7;
}
.pickup-sessions .speaker-name {
  color: #000;
  font-size: 1.2rem;
  text-align: center;
  line-height: 1.3;
  font-weight: 600;
}
.pickup-sessions .speaker-name span {
  font-size: 1rem;
}

.pickup-sessions .row {
  margin-right: -5px;
  margin-left: -5px;
}

.pickup-sessions .col-4 {
  padding-right: 5px;
  padding-left: 5px;
}

@media (max-width: 577px) {
  #top {
    padding-top: 3rem;
  }
  .title-place {
    font-size: 1.4rem;
  }
  .pickup-sessions .inner {
    padding: 1rem 1.5rem 1.5rem;
  }
}

/* スピーカー */

#top_speakers h3 {
  font-size: 3.2rem;
  font-style: italic;
  font-weight: 500;
  color: #f60;
  text-align: center;
  margin-bottom: 3rem;
}

#top_speakers .speaker-name {
  text-align: center;
  line-height: 1.5;
}

@media (max-width: 768px) {
  #top_speakers h3 {
    font-size: 2.8rem;
  }
}

@media (max-width: 577px) {
  #top_speakers h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
  }
}

/* お知らせ */

.news {
  max-width: 800px;
  margin: auto;
}
.news p {
  padding: 2rem;
  list-style: none;
  border-bottom: 1px solid #fff;
}
.news p:first-child {
  padding-top: 0;
}

@media (max-width: 577px) {
  .news p {
    padding: 1.5rem;
  }
}

/* 開催概要 */

.lead {
  text-align: center;
  font-size: 2rem;
}

#top_overview table {
  max-width: 860px;
  margin: auto;
  line-height: 1.7;
}
#top_overview tr {
  border-bottom: 1px solid #fff;
}
#top_overview tr:last-child {
  border-bottom: none;
}
#top_overview th,
#top_overview td {
  padding: 2rem 0;
}
#top_overview th {
  width: 110px;
}

@media (max-width: 991px) {
  #top_overview table {
    width: 100%;
    margin-top: -1.5rem;
  } 
  #top_overview th {
  width: 75px;
  }
}

@media (max-width: 768px) {
  .lead {
    font-size: 1.7rem;
  }
}

@media (max-width: 577px) {
  .lead {
    font-size: 1.5rem;
    text-align: left;
  }
  .lead br {
    display: none;
  }
  #top_overview table {
    font-size: 1.3rem;
  }
  #top_overview th,
  #top_overview td {
    padding: 1.5rem 0;
  }
}

@media (max-width: 480px) {
  .lead {
    font-size: 1.4rem;
  }
}

/* 行動規範 */

#rules {
  padding: 6rem 0 6rem;
}
#rules p {
  margin-bottom: 1.5rem;
  font-size: 1.4rem;
}

@media (max-width: 577px) {
  #rules {
    padding: 1rem 0 3rem;
  }
  #rules p,
  .attention {
    font-size: 1.2rem;
  }
}

/*--------------------
      共通フッター
--------------------*/

footer {
  padding: 3rem 0;
  background-color: #222;
  color: #fff;
  line-height: 1.8;
  text-align: center;
  font-size: 1.5rem;
}
footer a {
  color: #fff;
}
.sns {
  text-align: center;
}
.sns img {
  /*margin-right: 15px;*/
  display: inline-block;
}
.sns img.x {
  width: 35px;

}
.sns img.facebook {
  width: 40px;

}

@media (max-width: 577px) {
  footer {
    font-size: 1rem;
  }
}

/*--------------------
      子ページ
--------------------*/

.infosite {
  padding: 3rem 0 6rem;
}

/* Q&A */

.badge-qa {
  margin-right: .8rem;
  padding: 0.1rem .8rem .3rem;
  border-radius: 3px;
  font-size: 85%;
  font-weight: 700;
  color: #fff;
}
.badge-danger {
  background-color: #f60;
}
.badge-info {
  background-color: #505050;
}

/* 関係者サイト */

.info-navi {
  font-size: 1.4rem;
  margin-bottom: 3rem;
}

.infosite table {
  display: block;
  width: 100%!important;
}
.infosite th,
.infosite tr,
.infosite td {
  border: 1px solid #ccc;
  padding: 1rem;
  line-height: 1.6;
  vertical-align: middle;
  font-size: 1.5rem;
  word-break: break-all;
}
.infosite th {
  background-color: #505050;
  color: #fff;
  width: 25%!important;
}

@media (max-width: 577px) {
  .infosite th,
  .infosite tr,
  .infosite td {
    padding: .5rem;
    font-size: 1.2rem;
  }
}