@charset "utf-8";
@import url("https://use.fontawesome.com/releases/v5.15.4/css/all.css");

/*-------------------------------------------------------------
///////////////////////////////////////////////////////////////
layout
///////////////////////////////////////////////////////////////
--------------------------------------------------------------*/

.wrapper {
  width: 100%;
}

.header {
  width: 100%;

  & > .header_container {
    width: 1100px;
    margin-left: auto;
    margin-right: auto;
  }
}

.main {
  width: 100%;

  & > .main_container {
    width: 1100px;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    flex-direction: row-reverse;

    & > .contents {
      width: 850px;
    }
    
    & > .side {
      width: 250px;
    }
  }
}

.footer {
  width: 100%;

  & > .footer_container {
    width: 1100px;
    margin-left: auto;
    margin-right: auto;
  }
}

/*-------------------------------------------------------------
///////////////////////////////////////////////////////////////
style
///////////////////////////////////////////////////////////////
--------------------------------------------------------------*/

/* カラー設定 */
:root {
  --color-primary: #004FA2;
  --color-secondary: #02A3C0;
  --color-tertiary: #EE5A24;
}

/* ページトップへもどる */
.page_top {
  width: 40px;
  height: 40px;
  right: 20px;
  bottom: 20px;
  position: fixed;
  border: 1px solid var(--color-tertiary);
  background: var(--color-tertiary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;

  &::before {
    content: "";
    display: block;
    width: 5px;
    height: 5px;
    border-top: 1px solid #FFFFFF;
    border-right: 1px solid #FFFFFF;
    transform: rotate(-45deg);
  }
} /* .page_top 終わり */

/* @group ヘッダーエリア
------------------------------------------------------*/

.header {
  border-top: 5px solid var(--color-secondary);

  & > .header_container {
    position: relative;
    height: 170px;
  
    &::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 1100px;
      height: 170px;
      background-image: url(../images/header.jpg);
      background-position: center center;
      background-size: 100% 100%;
      background-repeat: no-repeat;
    }

    /* ヘッダー内のテキストを非表示 */
    & > * {
      position: absolute;
      left: -9999em;
    }
  }
} /* .header 終わり */

/* @group メインエリア
------------------------------------------------------*/

.main {
  position: relative;
  min-height: 1260px;

  &::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 840px;
    background-image: linear-gradient(#F8F4E2, #F8F4E2);
    background-repeat: no-repeat;
    background-position: center top;
    background-size: 100% 840px;
  }
  &::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 10px;
    background-image: linear-gradient(to bottom, rgba(100, 100, 100, 0.5) 0%, rgba(100, 100, 100, 0) 100%);
    background-repeat: no-repeat;
    background-position: center top;
    background-size: 100% 7px;
    z-index: 3;
    mix-blend-mode: multiply;
  }

  & > .main_container {
    position: relative;
    z-index: 2;
  }
} /* .main 終わり */

/* @group コンテンツ
------------------------------------------------------*/

/* @group サイド
------------------------------------------------------*/

.menu {
  width: 250px;
  min-height: 980px;
  margin-top: 50px;
  padding-top: 10px;
  background-image: linear-gradient(to bottom, #42BCD6 0%, #004FA2 100%), linear-gradient(#004FA2, #004FA2);
  background-position: left top;
  background-repeat: no-repeat;
  background-size: 100% 980px, 100% 100%;
  display: flex;
  flex-direction: column;
  gap: 2px;

  & > li a {
    display: flex;
    align-items: center;
    width: 230px;
    min-height: 38px;
    margin-left: auto;
    margin-right: auto;
    box-sizing: border-box;
    border: 2px solid transparent;
    background-clip: padding-box, border-box;
    background-origin: padding-box, border-box;
    background-image: linear-gradient(to top, #006EC8 0%, #004097 100%), linear-gradient(to bottom, #006EC8 0%, #004097 100%);
    background-position: left top;
    background-repeat: no-repeat;
    background-size: 100% 100%;
    font-size: 15px;
    font-weight: bold;
    font-feature-settings: "palt";
    line-height: 1;
    color: #FFFFFF;
    text-decoration: none;
    transition: color .5s;

    & > span {
      margin-left: 13px;
    }
    
    &:hover {
      background-image: linear-gradient(to top, #B2B2B2 0%, #FFFFFF 100%), linear-gradient(to bottom, #B2B2B2 0%, #FFFFFF 100%);
      color: #004FA2;
      text-decoration: none;
    }  
  }
  
  & > li.active a {
    background-image: linear-gradient(to top, #B2B2B2 0%, #FFFFFF 100%), linear-gradient(to bottom, #B2B2B2 0%, #FFFFFF 100%);
    color: #004FA2;
    /*pointer-events: none;*/

    &:hover {
      cursor: default;
    }
  }

  & > li > .events-anker > li a {
    background-color: #FFFFFF;
    background-image: none;
    font-size: 15px;
    font-weight: bold;
    font-feature-settings: "palt";
    line-height: 1;
    color: var(--color-primary);
    text-decoration: none;
    transition: color .5s;
  
    & > span {
      margin-left: 20px;
    }
  
    &:hover {
      background-color: rgba(255, 255, 255, 0.85);
      background-image: none;
      text-decoration: none;
    }
  }

} /* .menu 終わり */

.poster {
  margin-top: 20px;

  & a {
    display: block;
    width: 230px;
    height: auto;
    margin-left: auto;
    margin-right: auto;
  
    & img {
      width: 100%;
      height: 100%;
    }
  }
} /* .poster 終わり */

.banner {
  margin-top: 20px;

  & a {
    display: block;
    width: 230px;
    height: auto;
    margin-left: auto;
    margin-right: auto;
  
    & img {
      width: 100%;
      height: 100%;
    }
  }
} /* .banner 終わり */

/* @group フッターエリア
------------------------------------------------------*/

.footer {
  position: relative;
  background-color: var(--color-secondary);
  background-image: linear-gradient(#FFFFFF, #FFFFFF);
  background-position: center bottom;
  background-repeat: no-repeat;
  background-size: 100% 40px;
  z-index: 2;

  &::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 10px;
    background-image: linear-gradient(to bottom, rgba(100, 100, 100, 0.5) 0%, rgba(100, 100, 100, 0) 100%);
    background-repeat: no-repeat;
    background-position: center top;
    background-size: 100% 7px;
    z-index: 3;
    mix-blend-mode: multiply;
  }

  & > .footer_container {
    display: flex;
    flex-direction: column;
    justify-content: space-between;

    & > .secretariat_wrapper {
      height: 130px;
      display: flex;
      gap: 70px;
    
      & > .secretariat {
        margin-top: 40px;
        display: flex;
        color: #FFFFFF;
      
        & h2 {
          width: 90px;
          height: 35px;
          display: flex;
          align-items: center;
          border: 1px solid #FFFFFF;
        
          & span {
            margin-left: 10px;
            font-size: 15px;
            font-weight: bold;
            line-height: 1;
          }
        }
      
        & dl {
          margin-left: 10px;
          line-height: 1.4;
        
          & dt {
            margin-bottom: 5px;
            font-size: 13px;
            font-weight: bold;
          }
        
          & dd {
            font-size: 12px;
          
            & a {
              color: #00FFFF;
            }
          }
          
        }
      }

    }

    & > .footer-copyright {
      height: 40px;
    
      & > p {
        height: 40px;
        display: flex;
        align-items: center;
        font-size: 12px;
        color: var(--color-secondary);
        line-height: 1;
      }
    }
  }
} /* .footer 終わり */

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

.society_theme_committee {
  position: relative;
  width: 850px;
  height: 1000px;

  &::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 850px;
    height: 1000px;
    background-image: url(../images/theme_committee.jpg);
    background-position: center center;
    background-repeat: no-repeat;
    background-size: 100% 100%;
  }

  & > ul {
    position: absolute;
    left: -9999em;
  }
} /* .society_theme_committee 終わり */

.news {
  background-color: #FFFFFF;
  padding-bottom: 20px;

  & > h2 {
    height: 30px;
    background-color: var(--color-tertiary);
    display: flex;
    align-items: center;
    margin-bottom: 20px;
  
    & > span {
      margin-top: 2px;
      margin-left: 20px;
      font-size: 15px;
      font-weight: bold;
      color: #FFFFFF;
    }
  }

  & > .news-list {
    position: relative;
    width: 810px;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
    height: 170px;
    overflow-y: auto;
    line-height: 1.4;
  
    & > li {
      display: flex;
  
      & > .date {
        width: 90px;
        font-size: 13px;
        font-weight: bold;
        color: var(--color-tertiary);
      }
  
      & > .excerpt {
        flex: 1;
        font-size: 12px;
        color: #666666;
      }
    }
  }
} /* .news 終わり */

/* @group 下層ページ共通
------------------------------------------------------*/

.page-contents {
  margin-top: 50px;
  background-color: rgba(255, 255, 255, 0.8);
  box-shadow: 0px 0px 10px 0px rgba(0, 0, 0, 0.2);
  min-height: 1210px;
}

.page-title {
  height: 90px;
  display: flex;
  align-items: center;
  background-image: linear-gradient(to right, #EE5A24, rgba(238, 90, 36, 0.5)), url(../images/page_title_bg.jpg);
  background-position: left top, center top -20px;
  background-repeat: no-repeat;
  background-size: 100% 90px, 100% auto;
  box-shadow: inset 0px 0px 10px 0px rgba(0, 0, 0, 0.2);

  & > span {
    margin-top: 10px;
    margin-left: 40px;
    font-size: 30px;
    font-weight: bold;
    font-feature-settings: "palt";
    color: #FFFFFF;
    line-height: 1;
    text-shadow: 0px 0px 10px rgba(0, 0, 0, 0.5);
  }
}

.page-body {
  padding: 40px 20px;
}

/* 既存の垂直マージンを削除 */
.page-body > * {
  margin-top: 0;
  margin-bottom: 0;
}

/* 連続する要素だけに上方向のマージンを適用 */
.page-body > * + * {
  margin-block-start: var(--space, 1.5em);
}

/* 見出し */
.heading_h3 {
	position: relative;
	padding: 10px 7.5px 7.5px 10px;
  margin-bottom: 10px;
  text-indent: -.75em;
}
.heading_h3::after {
	position: absolute;
	top: 5px;
	left: 0;
	content: '';
	width: 6px;
	height: calc(100% - 10px);
	background-color: var(--color-secondary);
	border-radius: 4px;
}

.heading_h3 > span {
    margin-left: 15px;
    font-size: 22px;
    font-weight: bold;
    text-shadow: 2px 3px 3px rgba(0, 0, 0, 0.2);
    color: var(--color-primary);
}

.heading_h3 > span span {
    display: block;
    font-size: 12px;
    margin-left: 7.5px;
}

.heading_h4 {
    padding: 5px 7px 5px 0;
}

.heading_h4 > span {
    font-size: 18px;
    font-weight: bold;
    font-feature-settings: "palt";
}

.heading_h4 > span::before {
    font-family: "Font Awesome 5 Free";
    content: "\f111";
    font-weight: 900;
    font-size: 12px;
    margin-right: 5px;
    color: var(--color-primary);
    position: relative;
    bottom: 2px;
}

/* ページ準備中
--------------------------*/

.under_construction {
  text-align: center;
  font-size: 1.1em;
  padding-top: 50px;
}

/* アイコン
--------------------------*/

.exlink:after {
  content: "\f35d";
  font-family: "Font Awesome 5 Free";
  font-size: .8em;
  font-weight: 900;
  margin-left: 0.5em;
  margin-right: 0.5em;
  position: relative;
  bottom: 1px;
}

.download:before {
  content: "\f019";
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
  margin-left: 0.5em;
  margin-right: 0.5em;
}

.pdf:after {
  content: "\f1c1";
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
  margin-left: 0.5em;
}

.word:after {
  content: "\f1c2";
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
  margin-left: 0.5em;
}

.ppt:after {
  content: "\f1c4";
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
  margin-left: 0.5em;
}

.excel:after {
  content: "\f1c3";
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
  margin-left: 0.5em;
}

.cipher a:before {
  content: "\f023";
  /* 暗号通信の前（fa-lock） */
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
  margin-right: 0.5em;
}

/* 囲み
--------------------------*/

.enclosure01 {
  border: 1px;
  border-style: solid;
  padding: 10px 20px;
  border-radius: 6px;
}

.enclosure02 {
  border: 1px;
  border-style: solid;
  padding: 10px 20px;
}

.enclosure03 {
  border: 3px;
  border-style: solid;
  padding: 10px 20px;
}

.enclosure-color01 {
  border-color: #dddddd;
  background: #ffffff;
}

.enclosure-color02 {
  border-color: #eee;
  background: #ffffff;
}

/*表組み*/
.tbl-width100 {
  width: 100%;
}

.tbl-width50 {
  width: 50%;
}

.tbl-style01 thead th {
  background-color: #ddd;
  border: 1px #cccccc;
  border-style: solid;
  padding: 0.5em;
  font-weight: bold;
}

.tbl-style01 tbody th,
.tbl-style01 tbody td {
  border: 1px #cccccc;
  border-style: solid;
}

.tbl-style01 tbody th {
  background-color: #eeeeee;
  padding: 0.5em;
  font-weight: bold;
}

.tbl-style01 tbody td {
  background-color: #ffffff;
  padding: 0.5em;
}

.tbl-style02 tbody th,
.tbl-style02 tbody td {
  border: 1px #ffffff;
  border-style: solid;
}

.tbl-style02 tbody th {
  background-color: #ffffff;
  padding: 0.5em;
}

.tbl-style02 tbody td {
  background-color: #ffffff;
  padding: 0.5em;
}

.th-c-m th {
  text-align: center;
  vertical-align: middle;
}

.th-l-m th {
  text-align: left;
  vertical-align: middle;
}

.th-l-t th {
  text-align: left;
  vertical-align: top;
}

.th-l-b th {
  text-align: left;
  vertical-align: bottom;
}

.td-c-m td {
  text-align: center;
  vertical-align: middle;
}

.td-l-m td {
  text-align: left;
  vertical-align: middle;
}

.td-l-t td {
  text-align: left;
  vertical-align: top;
}

.td-l-b td {
  text-align: left;
  vertical-align: bottom;
}

/*リストスタイル*/
.list-style01 {
  margin-left: 2em;
  margin-right: 2em;
  font-size: clamp(0.875rem, 0.818rem + 0.242vw, 1rem);
}

.list-style01 li {
  margin-bottom: .3em;
}

.list-style {
  list-style-position: outside;
  padding-left: 1.8em;
}

.list-style > * + * {
  margin-top: 0.25em;
}

.list-disc {
  list-style-type: disc;
}

.list-num {
  list-style-type: decimal;
}

.list-num2 {
  list-style-type: decimal-leading-zero;
}

/*※入り*/
.asterisk {
  padding-left: 1.2em;
  text-indent: -0.9em;
}

.asterisk > li::before {
  content: "※";
  margin-right: 0.3em;
  position: relative;
  bottom: 1px;
}

/* ぶら下げインデント */
/* 日本語　※ */
.kome_ja > * {
	display:table;
	width: 100%;
	
	&:before {
		display: table-cell;
		content: "※";
		width: 1em;
    position: relative;
    bottom: 1px;
	}
}
/* 英語　* */
.kome_en > * {
	display:table;
	width: 100%;

	&:before {
		display: table-cell;
		content: "*";
		width: 1em;
    position: relative;
    bottom: 1px;
	}
}

/* ボタン */

.btn_wrapper {
  display: flex;
  justify-content: center;
  margin: 30px 0;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: #FFFFFF;
  text-decoration: none;
  border-radius: 15px;
  font-weight: bold;
  font-size: 16px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 79, 162, 0.3);
  transition: all 0.3s ease;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 79, 162, 0.4);
  color: #FFFFFF;
  text-decoration: none;
}

.btn:hover::before {
  left: 100%;
}

.btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 10px rgba(0, 79, 162, 0.3);
}

/* PDFアイコンを追加 */
.btn.pdf::after {
  content: "\f1c1";
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
  margin-left: 8px;
  font-size: 14px;
}

/* 大会長挨拶 */

.chair {
  display: flex;
  justify-content: flex-end;
  align-items: flex-end;
  gap: 10px;
  border-bottom: 1px solid #ddd;
  padding-bottom: 10px;
  text-align: right;
}

.chair img {
  width: 170px;
  height: auto;
}

.chair > p {
  font-size: 1.2em;
}

.salutation p {
  text-indent: 1em;
  margin-bottom: 1em;
  padding: 0 .5em;
  line-height: 1.7;
  text-align: justify;
}

/* 大会概要 */

.overview-list {
  display: flex;
  flex-wrap: wrap;
  row-gap: 30px;
  column-gap: 20px;
  padding-left: 20px;
  padding-right: 20px;
  line-height: 1.5;
 }

 .overview-list dt {
  width: 140px;
  font-weight: bold;
  color: var(--color-primary);
 }

 .overview-list dt:before {
  content: "\f14a";
  font-family: "Font Awesome 5 Free";
  margin-right: 0.5em;
  font-size: 0.85em;
  font-weight: 900;
  position: relative;
  bottom: 1px;
  color: var(--color-secondary);
 }

 .overview-list dd {
  flex: 0 0 calc(100% - 160px);
  border-bottom: 1px solid #ccc;
  padding-bottom: 10px;
 }

 .overview-list dd ul {
  list-style: none;
  padding-left: 0;
 }

 .overview-list dd ul > * + * {
  margin-top: 3px;
 }