@charset "utf-8";

/*フォントカラー*/
.font_orange {
  color: #ff8300 !important;
}

/*ボタン*/
.btn_log {
  display: block;
  padding: 16px 20px;
  text-align: center;
  color: #000;
  font-weight: 600;
  line-height: 1.2;
  background: #bcebff;
  border-radius: 0;
  border: 2px solid #000;
  transition: 0.3s;
  margin-left: auto;
  margin-right: auto;
  cursor: pointer;
  position: relative;
}

span.btn {
  display: block;
  cursor: pointer;
}

.btn_log.logged {
  background: #d6d6d6;
  filter: none;
  color: #646464;
  border-color: #a3a3a3;
  pointer-events: none;
  padding: 16px 20px;
  text-align: center;
}

.btn_log:hover {
  background: #323232;
  color: #fff;
  opacity: 1;
}

.btn_log::before {
  content: "";
  display: block;
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  transition: 0.3s;
  font-family: "Material Icons Round";
  content: "arrow_forward_ios";
}

.btn_log:hover::before {
  right: 8px;
}

.btn_log.logged::before {
  content: none;
}

.btn.wid00{
  max-width: unset;
  text-align: center;
  padding-top: 8px;
  padding-bottom: 8px;
}

/* =====main_nav===== */
#main_nav_cont {
  transition: 0.5s;
  position: fixed;
  left: 50%;
  top: 80px;
  transform: translateX(-50%);
  -webkit-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  opacity: 0;
  z-index: 10;
  width: 100%;
  pointer-events: none;
}

.main_aside#main_nav_cont.fixed .nav_sidebar {
  background-color: #fff;
  top: 0;
  padding-left: 8px;
  display: flex;
  flex-wrap: wrap;
}

#main_nav_cont.fixed {
  opacity: 1;
  pointer-events: unset;
}

#main_nav_cont .nav_sidebar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  width: 100%;
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}

#main_nav_cont .nav_sidebar li {
  width: 50%;
}

#main_nav_cont .nav_sidebar li a {
  display: block;
  padding: 8px 16px;
  padding-right: 32px;
  color: #000;
  font-weight: 600;
  line-height: 1.2;
  background: #ffffffcc;
  height: 100%;
  font-size: 0.9em;
  position: relative;
  transition: 0.3s;
}

#main_nav_cont .nav_sidebar li a:before {
  display: block;
  position: absolute;
  right: 16px;
  top: 30%;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  transition: 0.3s;
  content: "arrow_forward_ios";
  transform: rotate(90deg);
}

#main_nav_cont .nav_sidebar li a:hover {
  background: #bcebff;
  opacity: 1;
}

/* mainエリア共通 */

#main h3 {
  /* margin-bottom: 30px; */
}

#main h3 span {
  color: #5ed6ff;
  font-size: 20px;
  margin-right: 8px;
}

#main h3 span:after {
  font-family: "Material Icons Round";
  content: "keyboard_double_arrow_right";
  vertical-align: -2.5px;
  margin-left: 4px;
}

#main .sub_ttl {
  margin-bottom: 32px;
  margin-top: 32px;
  font-size: 20px;
}

@media screen and (max-width: 768px) {
  #main h3 span {
    font-size: 18px;
  }

  #main .sub_ttl {
    margin-bottom: 24px;
    margin-top: 24px;
    font-size: 18px;
  }
}

@media screen and (max-width: 480px) {
  #main h3 span {
    font-size: 15px;
  }

  #main .sub_ttl {
    margin-bottom: 20px;
    margin-top: 20px;
    font-size: 15px;
  }

  #main_nav_cont .main_nav li a {
    font-size: 0.8em;
    padding: 8px 12px;
    padding-right: 24px;
  }

  #main_nav_cont .main_nav li a:before {
    right: 8px;
  }
}

#main > .container figure {
  border: 1px solid #d6d6d6;
}

@media screen and (max-width: 840px) {
}

/*about*/
#about {
}

#about .flex {
  display: flex;
  justify-content: space-between;
  background: #f2f2f2;
  padding: 16px;
  align-items: center;
  position: relative;
}

#about .flex:before {
  content: "";
  height: calc(100% - 32px);
  width: 1px;
  background: #8c8c8c;
  display: inline;
  position: absolute;
  top: 16px;
  left: 128px;
}

#about .flex p {
  width: 100px;
  text-align: center;
  font-weight: bold;
}

#about .flex ol {
  width: calc(100% - 152px);
}

/*#about .flex ol li+li {
    margin-top: 5px;
}*/

#about .flex ol li a {
  color: var(--conference);
  font-weight: bold;
}

#about .flex ol li a:after {
  display: inline-block;
  margin-left: 4px;
  font-family: "Material Icons Round";
  content: "arrow_forward_ios";
  transform: rotate(90deg);
  font-size: 0.8em;
}

@media screen and (max-width: 600px) {
  #about .flex {
    display: block;
  }

  #about .flex:before {
    display: none;
  }

  #about .flex p {
    width: 100%;
    order: -1;
    margin-bottom: 8px;
    font-size: 1.2em;
  }

  #about .flex ol {
    width: 100%;
    margin-top: 8px;
  }
}

/* =====アンカー移動===== */
/* 固定ヘッダー + 固定ページ内ナビ(#main_nav_cont)ぶんの逃げ */
html {
  scroll-behavior: smooth;
}

#main section[id] {
  scroll-margin-top: 160px;
}