@charset "utf-8";

/* COMMITTEES */
.COMMITTEES{
  margin-top: 60px;
}

#COMMITTEES h3 {
  text-align: center;
  color: #FFFFFF;
  background-color: #00AFCC;
  font-size: 110%;
  padding: 10px;
  margin-bottom: 20px;
}

#COMMITTEES p{
  margin-bottom: -6px!important;
  text-align: center;
}

.post{
  color: #008ca3!important;
}

.name{
  font-weight: 600;
}

.affiliation{
  font-size: 14px;
  font-weight:lighter;
  color: #5F5F5F;
}

.set{
  margin-bottom: 30px;
  width: 320px;
}

.photo{
  text-align: center;
  margin-top: 50px;
}

.photo img{
  max-width: 200px;
  height: auto;
}

.COMMITTEES-flex{
  display: flex;
  column-gap: 25px;
  justify-content: space-around;
  align-items: center;
}

/* Venue */
.venue{
  margin-top: 60px;
}

.venue-image img{
  width: 100%;
  height: auto;
}

#venue h3{
  font-size: 150%;
  color: #333333;
  margin-bottom: 20px;
}

#venue h4{
  text-align: center;
  color: #FFFFFF;
  background-color: #00AFCC;
  font-size: 110%;
  padding: 10px;
  margin-bottom: 20px;
}

/* Register */
#register{
  background: #FFFFFF;
}

.register{
  margin-top: 60px;
}

.table-title{
  font-size: 130%;
  color: #008ca3;
  margin-bottom: 0;
}

.list-title{
  font-size: 120%;
  margin-bottom: 10px;
  margin-top: 30px;
  border-bottom: #e5e7eb solid 1px;
}

#register ul{
  margin-left: 1.5rem;
  margin-top: 0;
}

#register table{
  width: 100%;
}

#register th{
  background-color: #008ca3;
  color: #fff;
  padding: 10px;
  text-align: center;
  font-weight: normal;
}

#register td{
  background-color:#E4EBF3;
  color: #008ca3;
  padding: 10px;
  text-align: center;
  font-weight: bold;
}

#register h3{
  font-size: 150%;
  color: #333333;
  margin-top: 40px;
}

#register h4{
  text-align: center;
  color: #FFFFFF;
  background-color: #00AFCC;
  font-size: 110%;
  padding: 10px;
  margin-bottom: 20px;
}

/* Submission */
.submission{
  margin-top: 60px;
}

#submission h3{
  font-size: 1.6rem;
  color: #008ca3;
}

#submission ul{
  margin-left: 1.5rem;
  margin-top: 0;
}

/* Submission Buttons */
.btn-large {
  width: 90%;
  height: auto;
  line-height: 1.8;
  font-size: 150%;
}

.btn-medium {
  width: 40%;
  height: auto;
  line-height: 1.8;
  font-size: 120%;
  margin: 0 2.5%;
}

.btn.submissionbtn {
  background: #2563eb;
  color: #fff;
  box-shadow: 0 4px 6px rgba(37, 99, 235, 0.3);
}

.btn.submissionbtn:hover {
  background: #1d4ed8;
}

.btn.template {
  background: #059669;
  color: #fff;
  box-shadow: 0 4px 6px rgba(5, 150, 105, 0.3);
}

.btn.template:hover {
  background: #047857;
}

.btn.optional {
  background: #dc2626;
  color: #fff;
  box-shadow: 0 4px 6px rgba(220, 38, 38, 0.3);
}

.btn.optional:hover {
  background: #b91c1c;
}

.btn-large-wrapper {
  margin-bottom: 30px;
}

.btn-medium-wrapper {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
}

/* Program */
.program{
  margin-top: 60px;
}

#program h3{
  font-size: 130%;
  color: #333333;
  margin-bottom: 20px;
}

/* Lecture */
.lecture{
  margin-top: 60px;
}

.lecture-set{
 display: grid;
    grid-template-columns: 1fr 2fr; /* 2カラム */
    gap: 30px; /* カラム間の余白（お好みで） */
	margin-bottom: 50px;
}

.lecture-photo-box{
	background-color: #E5F7FA;
	padding: 1.5rem;
	height: auto;
}

.lecture-photo{
	text-align: center;
}
.lecture-photo img{
	max-width: 200px;
	height: auto;
	text-align: center;
}

.lecture-name{
text-align: center;
}

.lecture-text{
	font-size: 90%;
}

@media (max-width: 768px) {
	.lecture-set{
		display: block;
		grid-template-columns: none; /* Gridプロパティもリセット */
	}
	
	.lecture-photo-box{
margin-bottom: 1rem;
}

}


/* Contact */
.contact{
  margin-top: 60px;
}

#contact h3{
  font-size: 2.4rem;
  color: #008ca3;
  margin-bottom: 30px;
}

.bg-image {
  background-image: url("../img/manta.webp");
  background-position: right bottom;
  background-repeat: no-repeat;
  background-size: cover;
  width: 100%;
  height: 70vh;
}

.contact-area-wrap{
  background-color: rgba(255,252,252,0.80);
  width: 500px;
  padding: 10px 20px;
}

.logo img{
  width: 400px;
  max-width: 80%!important;
}

/* History */
#history{
  background: #FFFFFF;
}

.history{
  margin-top: 60px;
}

#history ul{
  margin-left: 1.5rem;
  margin-top: 0;
}

#history table{
  width: 100%;
  margin-bottom: 50px;
}

#history th{
  background-color: #008ca3;
  color: #fff;
  padding: 10px;
  text-align: center;
  font-weight: normal;
}

#history td{
  background-color:#E4EBF3;
  color: #008ca3;
  padding: 10px;
  text-align: center;
  font-weight: normal;
}

#history h3{
  font-size: 150%;
  color: #333333;
  margin-top: 40px;
}

#history h4{
  text-align: center;
  color: #FFFFFF;
  background-color: #00AFCC;
  font-size: 110%;
  padding: 10px;
  margin-bottom: 20px;
}

.scroll-note {
  display: none;
  font-size: 14px;
  color: #666;
  margin-bottom: 10px;
  font-style: italic;
}

.scroll {
  width: 100%;
}

.soon{
  text-align: center;
  max-width: 250px;
  padding: 10px;
  font-size: 110%;
  background-color:#969696;
  color: #FFFFFF;
  margin: 40px auto;
}

/* Responsive */
@media (max-width: 768px) {
  .COMMITTEES-flex {
    display: block;
  }
  
  .set{
    width: auto;
  }
  
  .btn-medium-wrapper {
    flex-direction: column;
    align-items: center;
  }
  
  .btn-medium {
    width: 90%;
    margin: 5px 0;
  }
  
  .btn-large {
    width: 90%;
    font-size: 130%;
  }
  
  .bg-image {
    background-size: 1200px auto;
    background-position: right bottom;
  }
  
  .scroll-note {
    display: block;
  }
  
  .scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  #history table {
    min-width: 800px;
    white-space: nowrap;
  }
  
  #history th, #history td {
    padding: 6px 8px;
    font-size: 14px;
  }
}

@media (max-width: 600px) {
  .contact-area-wrap{
    width: 88%;
  }
}

@media (max-width: 480px) {
  .btn-large {
    height: auto;
    line-height:1.6;
    font-size: 130%;
  }
  
  .btn-medium {
    height: auto;
    line-height: 1.6;
    font-size: 110%;
  }
  
  .bg-image {
    background-size: 1000px auto;
    background-position: right bottom;
  }
  
  #history th, #history td {
    padding: 4px 6px;
    font-size: 12px;
  }
  
  #history table {
    min-width: 500px;
  }
}