@charset "utf-8";
/* ============================ 
common
===============================*/
html { 
    font-size: 62.5%;   /* 1remを10pxにする下処理 */
}

body {
    font-family: /* サイトで使うローカルフォント設定 */
        "Noto Sans JP", 
        Arial, 
        sans-serif;
    font-style: normal;
    color: #2F2F2F;
    font-size: 1.6rem;
    background-color: #0c3f3f; /* サイト背景の色 */
    line-height: 1.5;  /* 通常の行間 */
}

img {
    max-width: 100%; /* ★元画像の横幅100％のサイズマックスまで対応★ */
    height: auto;
}

h1{
    font-weight:700;
    font-size:5rem;
    color:#0c3f3f;
    text-align: center;
}

h2{
    font-weight:700;
    font-size:1.6rem;
    color:#ff6347;
    margin-left: 60px;
}

h3 { 
    font-weight:700;
    color: #0c3f3f;
    font-size: 2.5rem;
    margin-left: 60px;
   }

h4 {
    font-size:2rem;
    font-weight:700;
    color:#0c3f3f;
    text-align: center;
}

p {
    color: #2F2F2F;
    font-size: 1.6rem;
    margin: 0 60px 10px 60px;
    line-height: 1.8;  /*行間 */
}

.midashi_big {
      font-size: 2rem;
}

.midashi_text {/* 見出し */
    font-size: 1.8rem;
    font-weight:700;
    background:#b7d6b7; /*背景色*/
    border-left: solid 10px #0a4b23;
    margin: 10px 20px;
    padding: 5px 20px ;
  }

.space {/* スペース */
    padding: 10px;
}

.sp-only {/* スマホ時だけ改行 */
    display: none;
  }


@media screen and (max-width: 768px){ /*スマホ対応 */
    h1{
        font-size:2rem;
        font-weight:700;
    }
    
    h2 {
        font-size:1.4rem;
        margin-left: 30px;
    }

    h3 {
        font-size:1.8rem;
        font-weight:700;
        margin-left: 40px;
    }

    h4 {
        font-size:1.1rem;
        font-weight:700;
    }

    .sp-only {/*スマホの時に改行 */
        display: block;
      }

    p {
        color: #2F2F2F;
        font-size: 1.2rem;
        margin: 0 30px 30px 30px;
        line-height: 1.8;  /*行間 */
    }

    .example li { /*ul liの列 */
        line-height: 1.8;  /*行間 */
        margin-left: -30px;
        font-size:1.2rem;
    }
  }

/* ============================ 
header
===============================*/
.header {
	max-width: 1200px;
	margin: 0 auto;
	padding: 48px 60px 24px;
	display: flex;
	justify-content: right;
}

.nav__list {
	margin-top: 0; 
	display: flex; /*メニューを横並びにする */
}

.nav__item a {
	margin-top: 0;
    font-size:1.8rem;
	color: #C3C3C3;
	font-weight: 700;
	line-height: 1.3; 
	margin-left: 32px;
	display: inline-block;/*要素に合わせて*/
	text-decoration:none;
	position: relative; /*右寄せ */
}
.nav__item a::after{
  position: absolute;
  bottom: 0;
  left: 0;
  content: '';
  width: 0;
  height: 1px;
  background-color:  #dd8532;
  transition: .3s;
}
.nav__item a:hover::after{
  width: 100%;
}
.nav__item a:hover{
	color:  #dd8532;
  }


  @media screen and (max-width: 768px){ /*スマホ対応 */
    .header {
        margin: 0 auto;
        padding: 20px 20px 20px;
        display: flex;
        justify-content: right;
    }
	  
	.nav__item a {
	font-size:1.2rem;
	font-weight: 400;
	}	
}

/* ============================ 
base
===============================*/
.base {
    background-color: #fff;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 20px;
    border-radius: 20px;   /*角まる */
    font-size: 1.4rem;
}

.example { /*ul liの列 */
    list-style: disc;
    color: #2F2F2F;
    line-height: 30px;  /*行間 */
    font-size:1.6rem;
    margin: 0 60px 30px 80px;
}


.info {
    padding: 5px;
    max-height: 80px;
    overflow-y:auto;
}




/*==========================
お知らせ
==========================*/
.box2 {
    position: relative;
    margin: 0 auto;
    padding: 0.5em 1em;
    border: solid 3px #670c79ce;
    max-width: 90%;
	margin-top:27px;
}
.box2 .box-title {
    position: absolute;
    display: inline-block;
    top: -27px;
    left: -3px;
    padding: 0 9px;
    height: 25px;
    line-height: 25px;
    font-size: 17px;
    background: #670c79ce;
    color: #ffffff;
    font-weight: bold;
    border-radius: 5px 5px 0 0;
}

.box2  p {
    margin: 0; 
    padding: 0 5px;
    font-size: 1.6rem;
    font-weight:700;

}

@media screen and (max-width: 768px){ /*スマホ対応 */
    .box2 .box-title {
        font-size: 14px;
    }
    .box2  p {
        font-size: 1.2rem;    
    }

}

/*==========================
小見出し
==========================*/
.midashi_text2 {
    border-bottom: solid 3px #b7d6b7;;
    position: relative;
    margin: 0 20px 10px 20px;
  }

  .midashi_text2 a{
    padding-left: 20px;
    font-size: 1.6rem;
    font-weight:700;
}
  
  .midashi_text2:after {
    position: absolute;
    content: " ";
    display: block;
    border-bottom: solid 3px #0a4b23;
    bottom: -3px;
    width: 20%;
  }

    @media screen and (max-width: 768px){ /*スマホ対応 */
  .midashi_text2 a{
    padding-left: 10px;
    font-size: 1.4rem;
    font-weight:700;
      }
}

 ol {
      list-style-type:decimal;
      line-height: 1.8;  /*行間 */
      font-size: 1.6rem;
      margin-left: 60px;
  }

  @media screen and (max-width: 768px){ /*スマホ対応 */
     ol {
           margin-left: 50px;
            max-width: 100%;
            font-size: 1.2rem;
        }
}

/*==========================
一般演題［演題分類］
==========================*/

  /*2列表示にする*/
 ol.text_list {
    column-count: 3;
    list-style-type:decimal;
		margin-left: 60px;
    max-width: 60%;
    font-size: 1.6rem;
    line-height: 1.8;  /*行間 */
}
@media screen and (max-width: 768px){ /*スマホ対応 */
 ol.text_list {
        column-count: 2;
            margin-left: 50px;
            max-width: 100%;
            font-size: 1.2rem;
        }
}
/*==========================
マップ部分
==========================*/
.google_map {
margin-left: 30px;
 position: relative;
 }

 .google_map::before {
    content: "";
    display: block;
    padding-top: calc(3 / 4 * 50%); /*4：3の場合*/
}

 .google_map iframe {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 100%;
}


/*==========================
ボタン
==========================*/

.button {
  flex-shrink: 0;
  margin-right: 5px;
}
.button a {
  position: relative;
    background: #ffaf02;
    color: #313131;
    font-weight: 700;
    padding: 1px 20px 3px 0; /* パディング */
    text-align: center; /* 文字のアライメント */
    text-decoration: none; /* 文字装飾 */
    display: inline-block; /* ボタンの表示方法 */
    font-size: 1.6rem; /* フォントサイズ */
    margin: 4px 2px; /* 外側の余白 */
    cursor: pointer; /* カーソル */
    border: none; /* ボーダーなし */
    border-radius: 5px; /* ボタンの角丸 */
    box-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3); /* 影 */
}
.button a:after {
  content: "";
  position: absolute;
  top: 50%;
  bottom: 0;
  right: 2rem;
  font-size: 90%;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: right 0.3s;
  width: 6px;
  height: 6px;
  border-top: solid 2px currentColor;
  border-right: solid 2px currentColor;
  transform: translateY(-50%) rotate(45deg);
}
.button a:hover {
  background: #ff5c1c;
  color: #FFF;
}
.button a:hover:after {
  right: 1.4rem;
}


.button001 a {
    background: #b19af0;
    border-radius: 3px;
    position: relative;
    display: flex;
    justify-content: space-around;
    align-items: center;
margin-left: 60px;
    max-width: 280px;
    padding: 10px 25px;
    color: #313131;
    transition: 0.3s ease-in-out;
    font-weight: 500;
}
.button001 a:after {
  content: "";
  position: absolute;
  top: 50%;
  bottom: 0;
  right: 2rem;
  font-size: 90%;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: right 0.3s;
  width: 6px;
  height: 6px;
  border-top: solid 2px currentColor;
  border-right: solid 2px currentColor;
  transform: translateY(-50%) rotate(45deg);
}
.button001 a:hover {
  background: #4c0f7e;
  color: #FFF;
}
.button001 a:hover:after {
  right: 1.4rem;
}


.button002 a {
    background: #ffaf02;
    border-radius: 3px;
    position: relative;
    display: flex;
    justify-content: space-around;
    align-items: center;
margin: 0 auto;
    max-width: 70%;
    padding: 10px 25px;
    color: #313131;
    transition: 0.3s ease-in-out;
    font-size:2rem;
    font-weight: 500;
}
.button002 a:after {
  content: "";
  position: absolute;
  top: 50%;
  bottom: 0;
  right: 2rem;
  font-size: 90%;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: right 0.3s;
  width: 6px;
  height: 6px;
  border-top: solid 2px currentColor;
  border-right: solid 2px currentColor;
  transform: translateY(-50%) rotate(45deg);
}
.button002 a:hover {
  background: #ff5c1c;
  color: #FFF;
}
.button002 a:hover:after {
  right: 1.4rem;
}


@media screen and (max-width: 768px){ /*スマホ対応 */
  .button a {
      font-size:1rem;
  }

    .button001 a {
    margin-left: 30px;
    margin-top: -20px;
    }

    .button002 a {
        font-size:1.5rem;
    }
  }
  

/*==========================
scrollTop (上に戻るボタン）
==========================*/
.topBtn {
    display: inline-block;
    padding: 18px;
    border-radius: 20%; /*角まる */
    background-color: orangered;
    color: #fff;
    font-size: 1.2rem;
    box-shadow: 2px 2px 4px 2px rgba(29, 101, 101, 0.2);

    position: fixed;
    bottom: 1.4%;
    right: 1.4%;
}

/*==========================
Footer部分
==========================*/

    .b_bottom {
        margin-top: 20px;
        color: #FFF;
        font-size: 1rem;
        text-align: center;
    }