@charset "UTF-8";

/* Google Font */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;700;900&display=swap');


html, body, div, span, h1, h2, h3, h4, p, a, img, dl, dt, dd, footer, header, nav, section {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: bottom;
}

/* HTML5 display-role reset for older browsers */
footer, header, nav, section {
  display: block;
}

body {
  line-height: 1;
}


ol, ul {
  list-style: none;
}

blockquote, q {
  quotes: none;
}

blockquote:before, blockquote:after,
q:before, q:after {
content: '';
content: none;
}

table {
border-collapse: collapse;
border-spacing: 0;
}

/* box-sizing */
* {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  -o-box-sizing: border-box;
  -ms-box-sizing: border-box;
  box-sizing: border-box;
}

.clearfix::after {
  content: "";
  display: block;
  clear: both;
}

/* hover img alpha2 */
a img.alpha {
transition: all 0.2s ease 0s;
}
a:hover img.alpha {
opacity: 0.8;
filter: alpha(opacity=0.8);
-ms-filter: "alpha( opacity=0.8 )";
}
sup{
vertical-align: baseline;
position: relative;
top: -0.6ex;
font-size:75%;
}
html {
  scroll-behavior: smooth;
}


/* for sp link */

body {
  width: 100% !important;
  font-size: 1.8rem;
  font-weight: normal;
  color: #000;
  letter-spacing: 0.02em;
  z-index: 1;

  -webkit-text-size-adjust: 100%; /*スマホ自動調整対策*/
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "pwid";
  background: #fff;
}

body {
  font-family: 'Century Gothic', "ヒラギノ角ゴ Pro", "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, "游ゴシック体", YuGothic, "游ゴシック Medium", "Yu Gothic Medium", "游ゴシック", "Yu Gothic", Osaka, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
}


/* ルビ */

.wrap {
  width: 100%; /* android view point */
  margin: 0 auto;
  position:relative;
  animation: show 2s ease 0s 1 normal;
}


@keyframes show {
	0% {
		opacity:0;
	}
	100% {
		opacity:1;
	}
}



header {
  width: 100%; /* android view point */
  margin: 0 auto;
  position:relative;
  background: #312d2a url(bg_main.jpg) top center no-repeat;
  background-size: 100% auto;
}

/* 記事メインイメージ */

.ttl_box {

margin: 0 auto;
padding-top: 50px;
position: relative;

}

.ttl_inner {
  margin: 0 auto;
  width: 780px;
  height: 0;
  padding-top: calc(400/780 * 780px); /* calc(画像高さ ÷ 画像横幅 × 100%) */
  background: url(img_ttl.png) top center / cover no-repeat;
  z-index: 10;
  position: relative;
  overflow: hidden;
}


h1 {
  text-indent: 100%;
  white-space: nowrap;
  overflow: hidden;
}

.nav_box {
  width: 100%;
  position: fixed;
  margin: 0 auto;
  z-index: 99;
background: #312d2a; /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
}

.nav_box:before {
  content:'';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 4px;
/* Permalink - use to edit and share this gradient: https://colorzilla.com/gradient-editor/#b3b3b1+0,ffffff+50,b3b3b1+100 */
background: linear-gradient(to right,  rgba(179,179,177,1) 0%,rgba(251,251,251,1) 50%,rgba(179,179,177,1) 100%); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
}


nav {
  width: 100%;
  max-width: 640px;
  display: flex;
  justify-content: center;
  margin: 0 auto;
}

.nav_item1 {
  width: 33%;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  text-align: center;
  font-size: clamp(0.85rem, calc(1vw + 1rem), 1rem);
  line-height: 1;
  color: #fff;

}


.arrow-button {
    display: block;
    width: 100%;
    height: auto;
    margin: 0 auto;
    position: relative;
  color: #fff;
    text-decoration: none;
  transition: 0.3s;
  padding: 8px;

}


.arrow-button:hover {
  color: #dedede;
}






.leadarea {
  width: 100%;
  position: relative;
  z-index:3;
  margin: 0 auto;
  z-index:10;
  padding: 20px 35px 0;
/* Permalink - use to edit and share this gradient: https://colorzilla.com/gradient-editor/#312d2a+0,312d2a+50&0+0,1+50 */
background: linear-gradient(to bottom,  rgba(49,45,42,0) 0%,rgba(49,45,42,1) 50%); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
}

.lead {
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  font-size: 1rem;
  line-height: 1.8;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
 color: #fff;
  letter-spacing: -0.01em;
  vertical-align: baseline;
  padding: 40px 0;
  border-top: 2px solid #fff;
}

.lead p {
  padding-bottom: 12px;
}

main {
  width: 100%;
  margin: 0 auto;
  padding: 0 0 10px;
  position: relative;
}

main p {
  font-size: 1rem;
  line-height: 2rem;
  text-align: left;
  text-justify:inter-ideograph;  
}

.sec1 {
  position: relative;
  width: 100%;
  margin: 0 auto;
  padding: 0;
}

.sec1_inner {
  box-sizing: border-box;
  width: 100%;
  max-width: 960px;
  height: 100%;
  margin: 0 auto;
  padding: 40px ;
  color: #000;
  position:relative;
}

.h2_border {
  border-top: 1px solid #fff;
}

.h2_box {
  width: 100%;
  margin: 0 auto;
  padding-top: 34px;
background: #312d2a;
  position: relative;
}

.h2_box:before {
  content:'';
  position: absolute;
  width: 1px;
  height: 35px;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
 background: #fff;
}

h2 {
  width: 100%;
  margin: 0 auto -1px;
  padding: 12px 25px 16px;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  font-size: 1.8rem;
  font-weight: bold;
  line-height: 1.4;
  color: #fff;
  top: 0;
  left: 0px;
  display: block;
  z-index:10;
background: #312d2a;
  text-align: center;
  border-bottom: 4px solid #b3b3b1;
}

.mt40 {
  margin-top: 40px !important;
}

.mt50 {
  margin-top: 50px !important;
}

.mb40 {
  margin-bottom: 40px !important;
}

.pt10 {
  padding-top: 10px;
}

.pt40 {
  padding-top: 40px;
}

.pb15 {
  padding-bottom: 15px;
}

.pb40 {
  padding-bottom: 40px;
}


h3 {
  margin: 0;
  padding: 0;
  width: 98%;
  font-size: 1.2rem;
  font-weight: bold;
  line-height: 1.5;
  text-align: left;
  color: #000;
  font-family: 'Noto Sans JP', sans-serif;
}

h4 {
  margin: 0 auto;
  padding: 0;
  width: 100%;
  font-size: 1.1rem;
  font-weight: bold;
  line-height: 1.3;
  text-align: left;
  color: #000;
}

.contact {
  margin: 0 auto;
  padding: 0;
  width: 100%;
  font-size: 1.1rem;
  font-weight: bold;
  line-height: 1.3;
  text-align: center;
  color: #000;
}

.profile {
width: 100%;
margin: 5px auto;
padding: 3px 0;
text-align: center;
font-size: 0.85rem;
line-height: 1.4;
color: #333;
text-align: justify;
}

.name_area {
  width: 100%;
  padding: 0;
}

.name {
  margin: 0;
  font-weight: bold;
  font-size: 0.75rem;
  line-height: 1.3;
  text-align: left;
  color: #000;
  width: 100%;
  position: relative;
  font-family: 'Noto Sans JP', sans-serif;
}

.name_large {
  font-size: 1.1rem;
  line-height: 1.8;
  letter-spacing: -0.02em;
  font-family: 'Noto Sans JP', sans-serif;
  vertical-align: baseline;
}

	.caption {
position: absolute;
bottom: 0;
left: 0;
width: 220px;
margin: 0 auto;
padding: 10px 5px 0;
font-size: 14px;
color: #333;
line-height: 1.4;
text-align: justify;
text-justify: inter-ideograph;
}
.caption_bottom {
width: 100%;
margin: 0 auto;
padding: 10px 5px 0;
font-size: 0.9rem;
color: #333;
line-height: 1.4;
text-align: right;
}

footer {
  width: 100%;
  margin: 0 auto 30px;
  position: relative;
}

.caption2 {
  width: 100%;
  margin: 10px auto;  
  font-size: 0.9rem;
  line-height: 1.6;
  color: #333;
  text-align: left; 
}


/* 単語ごとに改行 */
.sub_wb {
  display: inline-block;
  vertical-align: baseline;
}

.ovr_txt {
overflow: auto;
}

.sml_txt3 {
  font-size: 90%;
  letter-spacing: 0.02em;
}

#contact2 {
  width: 100%;
  border-top: 1px solid #312d2a;
  border-bottom: 1px solid #312d2a;
  padding: 30px 0;
  text-align: center;
}
#contact2 img {
  width: 280px;
}

.contact_info {
  width: 100%;
  border-bottom: 1px solid #312d2a;
  padding: 30px;
  margin-bottom: 30px;
  text-align: center;
   font-size: 0.9rem;
   font-weight: bold;
   line-height: 1.4;
}

.contact_info p {
   padding-bottom: 15px;
}

.button {
    width: auto;
    max-width: 300px;
    display: block;
    margin: 0 auto;
    text-align: center;
    padding: 0.5em 0;
    font-size: 1.1em;
    font-weight: bold;
    color: #fff;
    background: #0a42c1;
    margin: 0 auto;
    text-decoration: none;
    border-radius: 0.3em;
    filter: drop-shadow(0 3px 3px rgba(0, 0, 0, .2));
}

.copyright{
  padding: 30px 30px 120px 30px;
  font-family: "Yu Gothic Medium", "游ゴシック Medium", YuGothic, "游ゴシック体","ヒラギノ角ゴ Pro", "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, Osaka, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;

  font-size: 12px;
  line-height: 1.6em;
  color: #969696;
  text-align: center;
}

.copyright img {
  padding-left:10px;
}

.pro_bdr1 {
  border-top: 1px solid #999;
  border-left: 1px solid #999;
}

.pro_bdr2 {
  border-bottom: 1px solid #999;
  border-right: 1px solid #999;
}

.pro_box {
  width: 100%;
  display: flex;
  margin: 0 auto 10px;
  padding: 0;
  border-radius: 0 7px 7px 0;
  border-left: 4px solid #000;
  position: relative;
}

.pro_box:after {
  content: '';
  position: absolute;
  bottom: -11px;
  left: -4px;
  width: 4px;       /* 三角形の横幅 */
  height: 11px;      /* 三角形の縦幅 */
  background-color: #000; /* 三角形の色 */
}

.pro_box2 {
  width: 100%;
  display: flex;
  margin: 0 auto 10px;
  padding: 0;
  border-radius: 0 7px 7px 0;
  border-left: 4px solid #000;
  position: relative;
}


.pro_item1 {
  width: 18%;
  padding: 15px;
  display: flex;
  align-items: flex-start;
justify-content: flex-end;
  color: #000;
  position: relative;
/* Permalink - use to edit and share this gradient: https://colorzilla.com/gradient-editor/#f5f5f5+0,f5f5f5+100&1+0,0+100 */
background: linear-gradient(to right,  rgba(245,245,245,1) 0%,rgba(245,245,245,0.5) 100%); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
  border-radius: 0;
  position: relative;
}

.pro_item1:before {
  content: '';
  position: absolute;
  top: 25px;
  left: 0;
  width: 10px;       /* 三角形の横幅 */
  height: 12px;      /* 三角形の縦幅 */
  background-color: #000; /* 三角形の色 */
  /* 左上(0 0) → 右中(100% 50%) → 左下(0 100%) の3点を結ぶ */
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}


.time {
  font-size: 1rem;
  font-weight: bold;
  text-align: right;
}


.pro_item2 {
  width: 81%;
  padding: 15px 0 15px 15px;
  text-align: left;
}

.pro_item3 {
  width: 82%;
  padding: 15px;
  text-align: left;
  display: flex;
  flex-direction: column;
}

.pro_item4 {
  width: 20%;
  padding: 10px 0 10px 10px;
  display: flex;
  align-items: center;
}

.pro_item4 img {
  width: 100%;
  border-radius: 100vh;
  border: 1px solid #ddd;
}

.pro_item5 {
  width: 74%;
  padding: 15px;
  text-align: left;
  align-self: center;
}

.pro_item6 {
  width: 100%;
  padding: 10px 0;
  text-align: left;
  display: flex;
  justify-content: space-between;
}

.pro_item7 {
  width: 115px;
  padding: 0 5px 0 0;
  display: flex;
  align-items: center;
  flex-direction: column;
}

.pro_item7 img {
  width: 100%;
  border-radius: 5px;
}

.pro_item8 {
  width: calc(94% - 105px);
  padding: 0 5px 5px;
  text-align: left;
}

.pro_item9 {
  width: 78%;
  padding: 15px;
  text-align: left;
  align-self: center;
overflow: auto;
height: 100%;
}


.name_box {
  display: flex;
  justify-content: space-between;
  width: 100%;
  margin: 20px 0 0;
  gap: 15px;
  padding-top: 15px;
}


.name_border {
  border-top: 1px solid #999;
}


.img_area {
  width: 125px;
}


dl {
  display: -webkit-flex;
  display: flex;
  -webkit-justify-content: center;
  justify-content: center;
  -webkit-flex-wrap: wrap;
  flex-wrap: wrap;
  border-width: 1px 0 0 0;
  border-color: #999;
  border-style: solid;
  font-size: 1.6rem;
  font-weight: normal;
  min-height: 50px;
}
dl.last {
  border-bottom: 1px solid #999;
}
dl dt p,dl dd p {
  display: inline-block;
  padding: 20px 25px;
}
dl dt {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 18%;
  background-color: #f5f5f5;
  color: #312d2a;
  text-align: center;
  font-weight: bold;
}
dl dd {
  width: calc(100% - 18%);
}
dl.large dd {
  font-size: 1.8rem;
  font-weight: bold;
}

.kakomi {
  margin: 30px auto 0;
  width: 94%;
  max-width: 600px;
  padding: 20px;
  border: 1px solid #ccc2d6;
  border-radius: 5px;
}

.kakomi p {
  font-size: 0.85rem;
  line-height: 1.6;
  text-align: justify;
}


#manual {
  width: 96%;
  margin: 0 auto;
  padding-bottom: 30px;
}

#contact {
  display: -webkit-flex;
  display: flex;
  -webkit-flex-wrap: wrap;
  flex-wrap: wrap;
  -webkit-align-items: center;
  align-items: center;
  color: #fff;
  background-color: #312d2a;
}
#contact .contentBlock {
  display: flex;
  -webkit-justify-content: space-between;
  justify-content: space-between;
  -webkit-flex-wrap: wrap;
  flex-wrap: wrap;
  -webkit-align-items: flex-start;
  align-items: flex-start;
  width: 100%;
  max-width: 1060px;
  margin: 0 auto;
  padding: 80px 0;
  padding-top: 40px;
  padding-bottom: 40px;
  font-size: 1.5rem;
  line-height: 1.6;
  font-weight: bold;
}
#contact .contact_txt {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto;
}
#contact .txt {
  margin-left: 30px;
  padding-left: 30px;
  border-left: 1px #fff solid;
}
#contact a {
  color: #fff;
  text-decoration: underline;
}
.program-annotation-panel-body p {
	margin-bottom: 1em;
}
.program-annotation-panel-body ul,
.program-annotation-panel-body ol {
	padding-left: 0;
}
.program-annotation-panel-body li {
	padding-bottom: 1em;
}
.program-annotation-panel {
	margin: 0 auto 2em auto;
	padding: 1.4em;
	background-color: #fffafa;
	border: 1px solid #68a1af;
}
.viewing .program-annotation-panel {
	width: auto;
	max-width: 860px;
	background-color: #f7f7f7;
	border: 1px solid #c3c3c3;
}
.program-annotation-panel-title {
	margin-bottom: 1em;
	font-size: 1.1rem;
	font-weight: bold;
	color: #000000;
}
.program-annotation-panel-body li {
	display: list-item;
}
.program-annotation-panel-body p {
	margin-bottom: 1em;
}
.contents .section p {
	font-size: 0.9rem;
	line-height: 1.6;
}
.program-annotation-panel-body {
	font-size: 0.9rem;
	line-height: 1.6;
	color: #000000;
}
.program-annotation-panel-body p:last-child {
	margin-bottom: 0px;
}
.program-annotation-panel-body a {
	color: #000099;
	text-decoration: underline;
	word-break: break-all;
                                font-weight: bold;
}
.vcubesupp {
	display: block;
	margin-top: 1em;
	padding: 1em 0;
	border-top: 1px solid #c3c3c3;
}


.pt20 {
  padding-top: 20px;
}

.notice {
    color: #fff;
    font-size: 21px;
    font-weight: bold;
    padding: 30px 0;
    text-align: center;
}

.notice_2 {
    color: #c00;
    font-size: 21px;
    font-weight: bold;
    padding: 30px 0;
    text-align: center;
}


/*モーダルウィンドウ*/
    .modal-open {
      display: inline-block;
      background-color: #b3b3b1;
      color: #000;
      margin: 10px auto;
      font-size: 0.7rem;
      font-weight: 700;
      width: 100%;
      border-radius: 100vh;
      text-align: center;
    }

    .modal-open a {
      display: inline-block;
      padding: 5px;
      text-decoration: none;
      color: #000 !important;
      text-decoration: none;
    }
    .modal{
      width: 100%;
      height: 100%;
      position: fixed;
      top: 0;
      left: 0;
      z-index: 9999;
    }
    .modal:not(:target) {
      opacity: 0;
      visibility: hidden;
      transition: opacity 0.5s, visibility 0.5s;
    }
    .modal:target{
      opacity: 1;
      visibility: visible;
      transition: opacity 0.5s, visibility 0.5s;
    }
    .modal .overlay{
      display: block;
      width: 100%;
      height: 100%;
      position: absolute;
      background-color: #666;
      opacity: 0.7;
      top: 0;
      left: 0;
    }
    .modal-wrapper{
      width: 94%;
      max-width: 600px;
      min-width: 280px;
      height: 100%;
      max-height: 320px;
      background-color: #fff;
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
    }
    .modal-contents{
      overflow: auto;
      width: 100%;
      height: 100%;
      box-sizing: border-box;
      position: relative;
    }
    .modal-content{
      margin: 20px;
    }
    .modal-close{
      position: absolute;
      top: 0;
      right: 0;
      width: 20px;
      height: 20px;
      text-decoration: none;
      font-size: 0.9rem;
      color: #fff;
      background: #b3b3b1;
      padding: 2px;
      text-align: center;
    }

    a.modal-close {
      text-decoration: none;
      color: #fff !important;
    }
/*モーダルウィンドウ*/


.speakers_box {
  margin: 0 auto;
  position: relative;
  width: 100%;
  display: flex;
  justify-content: left;
  flex-wrap: wrap;
}

.speakers_item {
  width: 49%;
  display: flex;
  margin-bottom: 18px;
}

.pt30 {
  padding-top: 30px !important;
}



/* お申し込みボタン&totop */
.button-area{
	padding: 20px 0;
}
.button-entry a  {
	width: 740px;
	max-width: 100%;
	display: block;
	text-align: center;
	font-size: 1.2rem;
	font-weight: bold;
/* Permalink - use to edit and share this gradient: https://colorzilla.com/gradient-editor/#b3b3b1+0,ffffff+50,b3b3b1+100 */
background: linear-gradient(to right,  rgba(179,179,177,1) 0%,rgba(251,251,251,1) 50%,rgba(179,179,177,1) 100%); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
	color: #000;
	margin: 0 auto;
	padding: 1em 0;
	text-decoration: none;
	border-radius: 100vh;
	filter: drop-shadow(0 3px 3px rgba(0, 0, 0, .2));
	cursor: pointer;
}

.button-entry p {
margin: 20px 0;
text-align: center;
}

.fixed-btm{
	position: fixed;
	background: #312d2a;
	bottom: 0;
	left: 50%;
                                transform: translateX(-50%);
	width: 100%;
	z-index: 1000;

}
.fixed-btm .button-area{
	padding: 10px 10px 5px;
}
.fixed-btm .button-entry a{
	max-width: 90%;
	margin: 10px auto;
}
	.fixed-btm .button-area p{
line-height: 1.3;
margin: 0.5em 0;
}
.button-entry input[type="submit"] {
max-width: 95%;
}
.button-entry a:hover {opacity:.9;}	.button-entry a:hover,
.button-entry input[type="submit"]:hover {opacity:.9;}
.button-entry input[type="submit"]{
border: 0;
}
.button-entry input[type="submit"].disable{
position: relative;
background: #999;
pointer-events : none;
color: #efefef;
line-height: 1;
display: block;
}
#entry .button-entry input,
#entry .button-entry img {
vertical-align: bottom;
}
.button-entry p.clear {
margin: 7px 0 0!important;
text-align: center;
display: none;
}
/* page top */
html {
	scroll-behavior: smooth;
}
.pagetop {
	position: fixed;
	justify-content: space-around;
	right: 0px;
	bottom: 0px;
}
.pagetop a {
	display: block;
	width: 50px;
	height: 50px;
                                background: rgba(255,255,255,0.6);
	position: relative;
	opacity:.75;
}
.pagetop a img {
	padding: 10px;
}
.pagetop a:hover {
	opacity:1;
}
.fixed-btm .pagetop {
	position: relative;
	right: auto;
	bottom: auto;
}
.fixed-btm .pagetop a{
	position: absolute;
	right: 0;
	top: -50px;
}


/* お申し込みボタン */

/* お申し込み終了 */

/*  注意事項 */
.annotation-panel{
    width: auto;
    background-color: #f7f7f7;
    border: 1px solid #aaa;
    margin: 0 auto 20px;
    border-radius: 5px;
}
.annotation-panel .annotation-inner{
	color: #000;
	margin: 20px 20px;
}
.annotation-title{
	font-size: 1rem;
	font-weight: bold;
}
.annotation-detail{
	padding: 10px 20px 1px 5px;
	font-size: 1rem;
}
.annotation-panel .annotation-inner + .annotation-inner{
	border-top: 1px solid #ddd;
	padding-top: 15px;
}
.annotation-panel .annotation-inner + .annotation-inner summary::before,
.annotation-panel .annotation-inner + .annotation-inner summary::after{
	margin-top: 15px;
}
.annotation-panel .panel-title{
	font-size: 1rem;
	font-weight: bold;
	margin-bottom: 0.5em;
                                text-align: left;
                                width: 100%;
                                padding-top: 0.5em;
}
.annotation-panel p, .annotation-panel li{
	margin-bottom: .5em;
	font-size: 0.9rem;
                                line-height: 1.2;
overflow-wrap: anywhere;}
.annotation-panel p, .annotation-panel p.note{
	font-size: 0.9rem;
                                line-height: 1.2;
overflow-wrap: anywhere;}
/*  アコーディオン (申し込みエリア) */
summary {list-style: none;}
summary::-webkit-details-marker {display:none;}
.annotation-inner{
	position: relative;
}
.annotation-inner[open] summary::after {
    rotate: 90deg;
}
details[open] .annotation-title{
	padding-bottom: 10px;
}
div.annotation-inner .annotation-title{
	padding-bottom: 5px;
	margin-bottom: 0;
}
.annotation-inner summary{
	max-width: calc(100% - 1.75em);
	padding-right: 1.75em;
}
.annotation-inner summary:hover{
	cursor: pointer;
}
.annotation-inner summary::before,
.annotation-inner summary::after {
	width: 3px;
	height: 1em;
	border-radius: 5px;
	background-color: #c74634;
	content: '';
	position: absolute;
	right: 0.8em;
	top: 0;
}
.annotation-inner summary::before {
    rotate: 90deg;
}
.annotation-inner summary::after {
    transition: rotate .3s;
	rotate: 180deg;
}
/* お申し込み注意事項 */
.annotation {
	background-color: #f7f7f7;
	border: 2px solid;
	/*色設定欄参照*/
	margin: 0 auto 20px;
	padding: 20px;
}
.annotation p {
	font-size: 1rem;
	line-height: 1.7;
	text-align: left;
}

.liststyle {
  list-style-type: disc;
  padding-left: 0.9rem;
}

@media screen and (min-width: 1921px) {

.wrap, .nav_box, header, main, .fixed-btm {
  width: 100%;
  max-width: 1920px;
}


}


@media screen and (max-width: 999px) {

header {
  width: 100%; /* android view point */
  margin: 0 auto;
  position:relative;
  background: url(bg_sp_main.jpg) top center / cover no-repeat;
  background-size: auto auto;
}


.ttl_box {

margin: 0 auto;
padding-top: 35px;
position: relative;

}


.ttl_inner {
  margin: 0 auto;
  width: 90%;
  height: 0;
  padding-top: calc(400/780 * 90%); /* calc(画像高さ ÷ 画像横幅 × 100%) */
  background: url(img_ttl.png) top center / cover no-repeat;
  z-index: 10;
  position: relative;
  overflow: hidden;
}



.leadarea {
  width: 100%;
  max-width: 100%;
  position: relative;
  z-index:5;
  margin: 0 auto;
  padding: 3% 0;
}

.lead {
  max-width: 100%;
  padding: 3% 3% 0;
  position: relative;
  z-index:10;
}


.sec1_inner {
  box-sizing: border-box;
  width: 94%;
  max-width: 94%;
  padding: 3% 0;
  border-bottom: none;
}


h2 {
  width: 100%;
  max-width: 100%;
  margin: 0 auto -1px;
  padding: 3%;
  font-size: 1.6rem;
  font-weight: bold;
  line-height: 1.4;
  color: #fff;
  position: sticky;
  top: 0;
  left: 0px;
  display: block;
}



h3 {
  font-size: 1.3rem;
}

.caption2 {
  position: static;
  margin: 10px auto;
  width: 100%;
}

.name_area {
  width: 100%;
  padding: 12px 0;
}

.pro_box, .pro_box2 {
  width: 100%;
  display: flex;
  flex-direction: column;
  margin: 0 auto 10px;
  padding: 0;
  
}


.pro_item1 {
  width: 100%;
  padding: 10px 10px 10px 15px;
  display: flex;
  align-items: flex-start;
justify-content: flex-start;
  background: #f5f5f5;
  border-radius: 0 7px 0 0;
  
}

.pro_item1:before {
  content: '';
  position: absolute;
  top: 15px;
  left: 0;
  width: 10px;       /* 三角形の横幅 */
  height: 12px;      /* 三角形の縦幅 */
  background-color: #000; /* 三角形の色 */
  /* 左上(0 0) → 右中(100% 50%) → 左下(0 100%) の3点を結ぶ */
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}




.time {
  padding-top: 3px;
  font-size: 1rem;
  font-weight: bold;
  text-align: left;
}

.pro_item2 {
  width: 100%;
  padding: 15px 10px;
  text-align: left;
}


.name_large {
  font-size: 1.05rem;
  letter-spacing: 0;
}




.speakers_item {
  width: 49%;
  display: flex;
  margin-bottom: 18px;
}


.pt30 {
  padding-top: 5% !important;
}


.pb40 {
  padding-bottom: 4%;
}

}



@media screen and (max-width: 767px) {

h1 {
  font-size: 2rem;
}


.lead {
  font-size: 1rem;
  line-height: 1.6;

}



h2 {
  font-size: 1.5rem;
}


h3 {
  font-size: 1.25rem;
}

.sec1 {
  position: relative;
  margin: 0 auto;
  padding:  0;
  width: 100%;
}

.kakomi {
  margin: 30px auto;
}


.name_box {
  display: flex;
  justify-content: space-between;
  width: 100%;
  margin: 10px 0 0;
  gap: 15px;
  padding-top: 10px;
}

.pro_item6 {
  width: 100%;
  padding: 10px 0 0;
  text-align: left;
  display: flex;
  flex-direction: column;
}

.pro_item7 {
  width: 30%;
  padding: 0 0 15px 0;
  display: flex;
  align-items: center;
}

.pro_item8 {
  width: calc(69% - 15px);
  padding: 0 0 15px 15px;
  text-align: left;
  align-self: flex-start;
}

}

@media screen and (max-width: 639px) {

nav {
  width: 100%;
  max-width: 100%;
  display: flex;
  justify-content: center;
  margin: 0 auto;
}

.nav_item1 {
  width: 33%;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  text-align: center;
  font-size: clamp(0.85rem, calc(1vw + 1rem), 1rem);
  color: #000;
}


.wrap {
}

main p {
  line-height: 1.7;
}

h2 {
  font-size: 1.5rem;
}

h3 {
  font-size: 1.2rem;
}

.arrow-button{
  padding: 10px 10px;
   position: relative;
   text-align: center;
   text-decoration: none;
   width: 100%;
   max-width: 800px;
   overflow: hidden;
}

dl dt {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100px;
  background-color: #fff;
  color: #000;
  text-align: center;
  font-weight: bold;
}
dl dd {
  width: calc(100% - 100px);
}

.pro_box2 {
  width: 100%;
  display: flex;
  flex-direction: column;
  margin: 0 auto;
  padding: 0;
}

.pro_item9 {
  width: 100%;
  padding: 10px;
  text-align: justify;
  align-self: center;
overflow: auto;
height: 100%;
}

.speakers_box {
  margin: 0 auto;
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
}

.speakers_item {
  width: 100%;
  display: flex;
  margin-bottom: 18px;
}

.pro_item7 {
  width: 25%;
  padding: 0 0 15px 0;
  display: flex;
  align-items: center;
}

.pro_item8 {
  width: calc(74% - 15px);
  padding: 0 0 15px 15px;
  text-align: left;
  align-self: flex-start;
}



}


@media screen and (max-width: 479px) {


.ttl_inner {
  margin: 0 auto;
  width: 100%;
  height: 0;
  padding-top: calc(540/600 * 100%); /* calc(画像高さ ÷ 画像横幅 × 100%) */
  background: url(img_sp_ttl.png) top center / cover no-repeat;
  z-index: 10;
  position: relative;
  overflow: hidden;
}


h2 {
  font-size: 1.3rem;
}


.copyright{
  padding: 2% 3% 110px;
}

}

@media screen and (max-width: 375px) {

h2 {
  font-size: 1.2rem;
}

.arrow-button:after{
   right: 10px;
}

.arrow-button:hover:after{
   right: 5px;
}

  dl dt {
  width: 30%;
  font-size: 1.1rem;
  }
  dl dd {
  width: calc(100% - 30%);
  font-size: 1.1rem;
  padding: 0 0 0 8px;
  }

  dl dt p, dl dd p {
  padding: 8px 0;
  }

.btn_item1 {
  width: 100%;
  max-width: 80%;
  margin: 0 auto;
  padding: 0.8em 0.5em;
  background: #000;
   font-size: 1.05rem;
   font-weight: bold;
   line-height: 1.3;
  text-align: center;
  color: #FFF;
  border-radius: 100vh; 
  text-decoration: none;
}

.pro_item7 {
  width: 30%;
  padding: 0 0 5px 0;
  display: flex;
  align-items: center;
}

.pro_item8 {
  width: calc(69% - 15px);
  padding: 0 0 15px 15px;
  text-align: left;
  align-self: flex-start;
}




}