@charset "UTF-8";
/* colors */
/* 濃い rgb(121,112,157) */
/* format */
/* font-family */
/* override */

header {
  position: static;
}

main {
  padding: 0;
}

footer {
  /* background-color: rgba(255, 255, 255, 0.8); */
}

.sec {
  margin: 0;
}

.sec .sec-head {
  margin: 0;
}

/* override */

.sec.sec01 {
  text-align: center;
  color: #fff;
}

.sec.sec01 .inner {
  /* padding: 100px 15px 100px; */
  padding: 70px 15px 100px;
}

.sec.sec01 .sec-head {
  line-height: 1.8;
}

.sec.sec01 .sec-head h1 {
  font-size: 40px;
  margin: 0 0 5px;
}

.sec.sec01 .sec-head .conf-date {
  font-size: 16px;
}

.sec.sec01 .sec-head h2 {
  font-size: 22px;
}

.sec.sec01 .sec-read {
  margin: 30px 0 0 0;
}

.sec.sec01 .sec-body {
  display: inline-block;
  text-align: left;
  margin: 50px 0 0;
}

.sec.sec01 img.earth {
  position: absolute;
  top: 330px;
  left: 0;
  width: auto;
  height: 90%;
  -webkit-transform: translateY(-50%);
  transform: translateY(-50%);
  opacity: 0.4;
  max-height: 600px;
}

.sec.sec01:before {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;

  /* background: -webkit-gradient(linear, left bottom, left top, from(#003479), to(rgba(49, 48, 129, 0.6)));
  background: linear-gradient(to top, #003479, rgba(49, 48, 129, 0.6));
   */
  background: -webkit-gradient(linear, left bottom, left top, from(#000000aa), to(#0d000544));
  background: linear-gradient(to top, #000000aa, #0d000544);

  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}

#particles-js {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 500px;
  height: 100%;
}

#news {
  /* max-width: 600px; */
}

#news article {
  padding: 10px 0;
}

#news article .art-in {
  display: flex;
  align-items: center;
}

#news article .art-in h3 {
  font-size: 15px;
  font-family: 'Yu Gothic', '游ゴシック', YuGothic, '游ゴシック体', 'Open Sans',
    YuGothic, 'Hiragino Kaku Gothic Pro', 'Meiryo', sans-serif;
  font-weight: normal;
  text-decoration: underline;
}

#news article .art-in h3.none-u-line {
  text-decoration: none;
}

#news article .art-in h3.title_big {
  font-size: 24px !important;
  font-weight: bold !important;
}

#news article .art-in .art-date {
  min-width: 150px;
}

#news article .art-in:hover h3 {
  text-decoration: none;
}

/*20211105追記*/

#btn_color {
  background-color: #aa003e;
}

#btn_color:hover {
  background-color: #dd0051;
}

/*20220615追記*/

.sec.sec01 .sec-content {
  display: inline-block;
  text-align: left;
  margin: 70px 0 0;
}

/* 教授 */
.sec-content .professor {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  text-align: left;
  margin: 20px 0 0;
}

/* 教授顔写真　設定 */
.sec-content .professor .sec-left img {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  margin-top: 10px;
}

/* add 20220902 iwamoto */
.sec-keynote {
  margin: 60px auto 0;
  max-width: 1020px;
}

.sec-keynote .size-lg {
  font-size: 32px;
  line-height: 1.4;
}

.sec-keynote .size-md {
  font-size: 28px;
  line-height: 1.4;
}

.sec-keynote .size-sm {
  font-size: 24px;
}

.sec-keynote .font-en {
  font-weight: bold;
}

.sec-keynote .sub-title {
  position: relative;
  letter-spacing: 0.05em;
  font-weight: bold;
  line-height: 1.4;
  margin: 10px 0 0;
  padding-left: 25px;
}

.sec-keynote .sub-title:before {
  content: '';
  display: block;
  position: absolute;
  top: 50%;
  left: 0;
  width: 5px;
  height: 90%;
  background-color: #fff;
  -webkit-transform: translateY(-50%);
  transform: translateY(-50%);
}

.sec-keynote .sub-title small {
  display: block;
  font-size: 18px;
  margin: 0 0 5px;
}

.sec-keynote a {
  text-decoration: underline;
}

.sec-keynote a:hover {
  text-decoration: none;
}

.sec-keynote .note {
  padding: 30px;
  border: 3px solid #fff;
  border-radius: 5px;
}

.sec-keynote .sec-head h2 {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  font-size: 25px;
}

.sec-keynote .sec-head h2:after {
  content: "";
  -webkit-box-flex: 1;
  -ms-flex-positive: 1;
  flex-grow: 1;
  margin-left: 1rem;
  border-top: 2px solid;
}

.sec-keynote .sec-body {
  display: block !important;
}

.sec-keynote .sec-body .sub-sec {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
}

.sec-keynote .sec-body .sub-sec .img-wrap {
  overflow: hidden;
  width: 180px;
  border-radius: 50%;
  aspect-ratio: 1/1;
  -webkit-box-shadow: rgba(0, 0, 0, 0.45) 0px 25px 20px -20px;
  box-shadow: rgba(0, 0, 0, 0.45) 0px 25px 20px -20px;
}

.sec-keynote .sec-body .sub-sec .img-wrap img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
  object-fit: cover;
  -o-object-position: center;
  object-position: center;
}

.sec-keynote .sec-body .sub-sec .speaker-info {
  -webkit-box-flex: 1;
  -ms-flex: 1;
  flex: 1;
  margin: 0 0 0 30px;
}

.sec-keynote .sec-body .sub-sec .speaker-info h3 span {
  letter-spacing: 0.05em;
}

.sec-keynote .sec-body .sub-sec .speaker-info h3 small {
  font-size: 22px;
  letter-spacing: 0.1em;
  margin-left: 5px;
}

.sec-keynote .sec-body .sub-sec .speaker-info p {
  line-height: 1.8;
  margin: 5px 0 0;
}

.sec-keynote .sec-body .nb {
  margin: 40px 0 0;
}

.sec-keynote .sec-body .nb .note {
  margin: 30px 0 0;
}

.sec-keynote .sec-body .sub-sec-wrap {
  position: relative;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  margin: 40px -40px 0;
}

.sec-keynote .sec-body .sub-sec-wrap:before {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  left: 50%;
  width: 1px;
  height: 100%;
  background-color: #fff;
}

.sec-keynote .sec-body .sub-sec-wrap .sub-sec {
  width: 50%;
  text-align: center;
  display: block;
  padding: 0 40px;
}

.sec-keynote .sec-body .sub-sec-wrap .sub-sec h3 {
  text-align: start;
}


.sec-keynote .sec-body .sub-sec-wrap .sub-sec .speaker-info {
  margin: 5px 0 0;
}

.sec-keynote .sec-body .sub-sec-wrap .sub-sec .speaker-info p {
  margin: 10px 0 0;
}

.sec-keynote .sec-foot a.btn {
  font-size: 18px;
  text-decoration: none;
  padding: 20px 200px;

  background-color: #aa003e;
}

.sec-keynote .sec-foot a.btn:hover {
  background-color: #aa003e77;
}

/* 20241119追記 flyerへのリンク */
.sec .sec-keynote .sec-foot .pic-wrap {
  margin-top: 60px;
  display: flex;
  justify-content: center;
}

.sec .sec-keynote .sec-foot .pic-wrap figure img {
  width: 60%;
  background-color: white;
  padding: 10px;
  border: solid 0.5px #333;
  transition: all .3s;
}

.sec .sec-keynote .sec-foot .pic-wrap figure img:hover {
  filter: brightness(1.15);
}

.sec .sec-keynote strong {
  display: block;
  font-size: 28px;
  font-family: serif;
  font-weight: 600;
  line-height: 1;
  opacity: 0.7;
  margin-top: 10px;
  letter-spacing: 0.1em;
}


/* #Sponsoring-Companies */

#Sponsoring-Companies {
  padding: 80px 0;
}

#Sponsoring-Companies .inner {
  max-width: 800px;
  padding: 0;
}

#Sponsoring-Companies h2.sec-ttl {
  font-size: 34px;
  font-weight: 600;
  /* color: #003479; */
  color: #333333;
  text-align: center;
  margin-bottom: 60px;
  display: flex;
  flex-direction: column;
}

#Sponsoring-Companies h2.sec-ttl small {
  font-size: 0.6em;
  position: relative;
  padding: 0 .5em;
  align-self: center;
}

#Sponsoring-Companies h2.sec-ttl small::before,
#Sponsoring-Companies h2.sec-ttl small::after {
  content: "";
  display: block;
  /* background-color: #003479; */
  background-color: #333333;
  position: absolute;
  top: 50%;
  width: 50px;
  height: 1px;
}

#Sponsoring-Companies h2.sec-ttl small::before {
  right: 100%;
  transform: translateY(-100%);
}

#Sponsoring-Companies h2.sec-ttl small::after {
  left: 100%;
}

#Sponsoring-Companies .logo-container {
  display: grid;
  grid-template-columns: 330px 360px;
  gap: 20px 80px;
  justify-content: center;
}

#Sponsoring-Companies .logo-container figure img {
  width: 100%;
  display: block;
}

#Sponsoring-Companies .logo-container figure figcaption {
  font-size: 1em;
  margin-top: .5em;
  text-align: center;
}

#Sponsoring-Companies .logo-container .jtb-area {
  grid-row: 1 / 3;
  display: flex;
  flex-direction: column;
  gap: 10px;
}