/* 一般的なCSSリセット */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/*img{
  display: block;
  margin: 0 auto;
  vertical-align: top;
  line-height: 1;
}*/

/* デフォルトでは非表示にする */
.pc-only,
.sp-only {
  display: none;
}

@media screen and (min-width: 1001px) {
  .pc-only {
    display: block;
  }
}

@media screen and (max-width: 1000px) {
  .sp-only {
    display: block;
  }
}

/* 英語フォント Barlow Semi Condensed は専用クラスで指定 */
.en-text {
    font-family: 'Barlow Semi Condensed', sans-serif;
    font-weight: 400;
    display: block;
}


/* 基本的なスタイル */
body {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400; /* 基本ウェイト */
  color: #fff;
  background-color: #009AC3;
}

h2{
  font-size: 18px;
  font-weight: 400;
  line-height: 1.4;
  color: #fff;
  margin-bottom: 64px;
}

h2::first-letter{
  color: #FDD000;
}

h2 .en-text{
  opacity: 1;
  display: block;
  font-size: 64px;
  font-weight: 500;
}

@media only screen and (max-width: 1720px) {
  .btn img{
    width: inherit !important;
  }
}
@media only screen and (max-width: 1000px) {
  .btn img{
    width: 80% !important;
  }
  h2{
    font-size: 1rem;
    margin-bottom: 32px;
  }
  h2 .en-text{
    font-size: 3rem;
  }
}

/* MVのスタイル */
#mv{
  width: 100%;
  padding: 4.5vw 50% 11vw 0;
  background: #fff url(../images/mv.jpg) no-repeat right center;
  background-size: 50% auto;
  color: #0096B2;
}
.mv-info{
  max-width: 646px;
  margin: 0 auto;
  text-align: left;
}
.mv-info .logo{
  margin-bottom: 35px;
}
.mv-info .title{
  margin-bottom: 34px;
}
.mv-info .date{
  margin-bottom: 31px;
}
#mv .btn{
  display: block;
  margin-top: 5%;
}
#mv .badge{
  max-width: 168px;
  width: 10%;
  height: auto;
  position: absolute;
  right: 50%;
  margin-right: 2.5%;
  top: 2.5%;
}
#mv .theme{
  color: #0096B2;
  display: flex;
  gap: 30px;
}
#mv .theme .left-column {
    flex: 0 0 112px; /* 固定幅 */
}
#mv .right-column {
    flex: 1;
}
#mv .theme p.theme-title{
  height: 128px;
  border: 1px solid #0096B2;
  font-size: 1rem;
  text-align: center;
  padding-top: 40px;
}
#mv .theme p.theme-title .en-text{
  display: block;
  font-size: 0.875rem;
  margin-top: 0;
}
#mv .theme p{
  font-size: 1.5rem;
  font-weight: 700;
}
#mv .theme p .en-text{
  opacity: 0.7;
  font-size: 1.125rem;
  font-weight: 500;
  line-height: 1.5;
  margin-top: 7px;
}

@media only screen and (max-width: 1600px) {
  .mv-info{
    max-width: inherit;
    padding: 0 15%;
  }
  .mv-info img{
    height: auto;
  }
  .mv-info .logo{
    margin-bottom: 24px;
  }
  .mv-info .title{
    width: 100%;
    margin-bottom: 24px;
  }
  .mv-info .date{
    width: 100%;
    margin-bottom: 20px;
  }
}
@media only screen and (max-width: 1440px) {
  .mv-info .logo{
    width: 70%;
    height: auto;
  }
}

@media only screen and (max-width: 1200px) {
  #mv .theme{
    display: block;
  }
  #mv .theme p.theme-title{ 
    width: 110px;
    height: auto;
    font-size: 0.75rem;
    padding: 4px;
    margin-bottom: 10px;
    display: flex;
    justify-content: center;
  }
  #mv .theme p.theme-title .en-text{
    font-size: 0.625rem;
    margin-left: 8px;
    margin-top: 3px;
  }  
  #mv .theme p{
    font-size: 1.125rem;
  }
  #mv .theme p .en-text{
    font-size: 0.825rem;
    margin-top: 6px;    
  }
}
@media only screen and (max-width: 1000px) {
  #mv{
    padding: 0 0 75% 0;
    background-position: center bottom;
    background-size: 100%;
  }
  .mv-info{
    max-width: 700px;
    padding: 43px 10.2%;
  }
  .mv-info .logo{
    height: 54px;
    width: auto;
    margin-bottom: 19px;
  }
  .mv-info .title{
    margin-bottom: 19px;
  }
  .mv-info .date{
    margin-bottom: 20px;
  }
  #mv .btn{
    display: block;
    margin-top: 20px
  }
  #mv .badge{
    max-width: 94px;
    width: 100%;
    height: auto;
    right: 12px;
    margin-right: 0;
    top: 12px;
  }
}

#nami{
  background: url(../images/nami.png) repeat-x;
  width: 100%;
  height: 181px;
  /*position: absolute;*/
  margin-top: -181px;
}
@media only screen and (min-width: 1920px) {
  #nami{
    background-size: 100%;
    height: 9.3vw;
    /*position: absolute;*/
    margin-top: -9.3vw;
  } 
}
@media only screen and (max-width: 1000px) {
  #nami{
    background: url(../images/sp_nami.png) repeat-x;
    background-size: 100% auto;
    height: 21vw;
    margin-top: -21vw;
  }
}


#contents{
  padding-top: 5.4vw;
  padding-bottom: 5.4vw;
  background-image: linear-gradient(to bottom, #009AC3, #0084A7);
}
@media screen and (max-width: 1440px) {
  #contents {
    padding-left: 40px;
    padding-right: 40px;
  }
}
@media screen and (max-width: 1000px) {
  #contents {
    padding-top: 0px;
    padding-left: 0;
    padding-right: 0;
    padding-bottom: 64px;
  }
}
#location,
.program-container {
    max-width: 1480px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 20px;
}
@media screen and (max-width: 1000px) {
  #location,
  .program-container {
      padding: 0 32px;
  }
}


/* LOCATION */
#location{
  margin-bottom: 128px;
  display: flex;
  gap: 80px;
}
#location .right-column p{
  color: #fff;
  line-height: 1.6;
}
#location .location-title{
  font-size: 1.75rem;
  margin-bottom: 32px;
  margin-top: 16px;
}
#location .location-adress{
  font-size: 1.25rem;
  margin-bottom: 32px;
}
#location .location-adress .en-text{
  font-size: 1.125rem;
}
#location p .en-text{
  opacity: 0.7;
  font-size: 1.25rem;
}
#map iframe{
  width: 100%;
}

@media screen and (max-width: 1000px) {
  #location{
    margin-bottom: 56px;
    display: block;
    padding: 0 32px;
  }
  #location .right-column p{
  }
  #location .location-title{
    font-size: 1.375rem;
    margin-bottom: 24px;
    margin-top: 0px;
  }
  #location .location-adress{
    font-size: 1rem;
    margin-bottom: 32px;
  }
  #location .location-adress .en-text{
    font-size: 1rem;
  }
  #location p .en-text{
    opacity: 0.7;
    font-size: 1rem;
  }
  #map iframe{
    width: 100%;
  }
}



/* PROGRAM プログラム */
.program-day {
  margin-bottom: 120px;
}

@media screen and (max-width: 1000px) {
  .program-day {
    margin-bottom: 48px;
  }
}

.program-title{
  font-size: 1.5rem;
  font-weight: 500;
}
.program-title .en-text{
  opacity: 0.7;
  font-size: 1.25rem;
  margin-top: 4px;
}
@media screen and (max-width: 1000px) {
  .program-title{
    font-size: 1.25rem;
  }
  .program-title .en-text{
    font-size: 1rem;
    margin-top: 4px;
  }
}

.day-header {
    font-size: 1.8rem;
    color: #fff;
    border-bottom: 1px solid #fff;
    padding-bottom: 32px;
    margin-bottom: 56px;
    display: flex;
    align-items: center;
}
.day-header .day{
  opacity: 1;
  display: inline-block;
  border-radius: 50%;
  color: #fff;
  background-color: #00A0DA;
  width: 128px;
  height: 128px;
  border: 2px solid #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-right: 48px;
}
.day-header .day-item{
  display: flex;
  align-items:first baseline;
}
.day-header .date{
  color: #fff;
  margin-right: 20px;
}
.day-item .en-text {
  opacity: 0.7;
  color: #fff;
  font-size: 24px;
}
@media screen and (max-width: 1000px) {
  .day-header {
      font-size: 1.5rem;
      padding-bottom: 24px;
      margin-bottom: 24px;
  }
  .day-header .day{
    border-radius: 50%;
    width: 96px;
    height: 96px;
    margin-right: 24px;
  }
  .day-header .day-item{
    display: block;
  }
  .day-header .date{
    margin-right: 0;
  }
  .day-header .date img{
    width: auto;
    height: 55px;
  }

  .day-item .en-text {
    font-size: 1.125rem;
  }
}



.program-item {
  padding-bottom: 56px;
}
.program-item.session .right-column{
  padding-top: 40px;
}
@media screen and (max-width: 1000px) {   
  .program-item {
    padding-bottom: 24px;
    margin-bottom: 16px;
  }
  .program-item.session .right-column{
    padding-top: 0;
  }
}

/* 2カラムレイアウト（PC版） */
.program-item,
.session {
  display: flex;
  border-bottom: 1px solid rgba(255,255,255,0.4);
  margin-bottom: 56px;
  gap: 80px;
} 
#day2 .program-item:last-child {
  border-bottom: 1px solid rgba(255,255,255,1);
}
.left-column {
    flex: 0 0 300px; /* 固定幅 */
}
.right-column {
    flex: 1;
}
@media screen and (max-width: 1000px) {   
  .program-item,
  .session {
    display: block;
    margin-bottom: 24px;
  }
}

.program-time,
.session-info {
  line-height: 1.2;
  font-weight: 500;
  margin-bottom: 15px;
  font-family: 'Barlow Semi Condensed', sans-serif;
}
.session-name {
  opacity: 1;
  font-size: 1.625rem;
  font-weight: 500;
  color: #FDD000;
}
.session-time + p{
  margin-top: 16px;
  font-size: 1rem;
}
.program-time span,
.session-time span {
  font-size: 2.5rem;
}

@media screen and (max-width: 1000px) {   
 .program-time span,
  .session-time span {
    font-size: 2rem;
  }
}

.chair-info{
  margin-top: 56px;
}
.chair-title {
  width: 144px;
  font-size: 1rem;
  border: 1px solid #fff;
  padding: 10px 16px;
  text-align: center;
  margin-bottom: 20px;
}
.chair-title .en-text {
  margin-left: 12px;
  display: inline-block;
}
.chair-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.chair-list li {
    margin-bottom: 32px;
}
@media screen and (max-width: 1000px) {   
  .chair-info{
    margin-top: 24px;
    border-bottom: 1px solid rgba(255,255,255,0.4);
    padding-bottom: 8px;
    margin-bottom: 24px;

  }
  .chair-title {
    padding: 8px 10px;
    margin-bottom: 16px;
  }
  .chair-title .en-text {
  }
  .chair-list {
  }
  .chair-list li {
      margin-bottom: 24px;
  }
}


/* 登壇者情報（写真付き） */
.speaker-with-photo {
    display: flex;
    align-items: center;
    gap: 32px;
    margin-top: 32px;
}
.speaker-photo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}
.speaker-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.speaker-text {
    flex-grow: 1;
}
.speaker-name {
  font-size: 1.25rem;
    display: block;
}
.speaker-affiliation {
    display: block;
    font-size: 1em;
    margin-top: 10px;
}
.speaker-name.en-text,
.speaker-affiliation.en-text {
  opacity: 0.7;
  font-size: 1rem;
  font-weight: 400;
  margin-top: 3px;
}

@media screen and (max-width: 1000px) {   
  .speaker-with-photo {
      gap: 22px;
      margin-top: 24px;
      align-items: start;
  }
  .speaker-photo {
      width: 84px;
      height: 84px;
  }
  .speaker-name {
    font-size: 1.25rem;
  }
  .speaker-affiliation {
      display: block;
      font-size: 1rem;
      margin-top: 10px;
  }
  .speaker-name.en-text,
  .speaker-affiliation.en-text {
    margin-top: 3px;
  }
}

.presentation-item {
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px dotted rgba(255,255,255,0.4);
}
.presentation-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}
.presentation-title {
  font-size: 1.5rem;
    line-height: 1.4;
    margin-top: 0;
    margin-bottom: 10px;
}
.presentation-title .en-text {
  opacity: 0.7;
  font-size: 1.25rem;
  font-weight: 400;
  margin-top: 8px;
}
.presenter {
    display: block;
    font-size: 1.25rem;
}
.presenter-affiliation {
  font-size: 1rem;
  margin-top: 10px;
}
.presenter .en-text,
.presenter-affiliation .en-text {
  font-size: 1rem;
  opacity: 0.7;
  font-weight: 400;
  margin-top: 4px;
}
@media screen and (max-width: 1000px) {   
  .presentation-item {
      margin-bottom: 24px;
      padding-bottom: 24px;
  }
  .presentation-item:last-child {
  }
  .presentation-title {
    font-size: 1.25rem;
    margin-bottom: 10px;
  }
  .presentation-title .en-text {
    font-size: 1rem;
    margin-top: 8px;
  }
  .presenter {
    font-size: 1.125rem;
  }
  .presenter-affiliation {
    font-size: 0.925rem;
    margin-top: 10px;
  }
  .presenter .en-text,
  .presenter-affiliation .en-text {
    margin-top: 4px;
  }
}

/* スマホ版（1カラム） */
@media screen and (max-width: 768px) {
    .session {
        flex-direction: column;
    }
    .left-column {
        flex: auto;
    }
}




/* フッターのスタイル */
.site-footer {
  width: 100%;
  padding: 72px 0;
  text-align: left;
  color: white;
   background-color: #0C697A;
}
.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
}

.footer-title {
    font-size: 1.75rem;
    margin-bottom: 32px;
}
.footer-title .en-text{
  font-size: 1.25rem;
}
.footer-host{
  font-size: 1.25rem;
  margin-bottom: 32px;
}
.footer-notes {
  font-size: 0.875rem;
  margin-bottom: 16px;
}
.footer-notes p{
  opacity: 0.7;
  margin-top: 16px;
}

.footer-copyright {
  font-family: 'Barlow Semi Condensed';
  font-size: 0.925rem;
  position: absolute;
  right: 0;
  bottom: 0;
}
.en-text {
    font-size: 0.875em;
    opacity: 0.7;
    margin-top: 2px;
}

@media screen and (max-width: 1000px) {
  .site-footer {
    padding: 64px 32px 120px;
  }
  .footer-container {
  }

  .footer-title {
      font-size: 1.5rem;
      margin-bottom: 20px;
  }
  .footer-host{
    font-size: 1.125rem;
    margin-bottom: 24px;
  }
  .footer-notes {
    font-size: 0.875rem;
    margin-bottom: 12px;
  }
  .footer-notes p{
    opacity: 0.7;
    margin-top: 16px;
  }

  .footer-copyright {
    margin-top: 40px;
    position: relative;
  }
  .en-text {
      font-size: 0.875em;
      opacity: 0.7;
      margin-top: 2px;
  }
}

/* ----------------------------------
    事前予約ボタン
---------------------------------- */
.pre-registration {
  text-align: center;
  margin: 40px auto;
}

.button {
  width: 420px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  background-color: #FFC400;
  color: #333;
  font-weight: 600;
  padding: 13px 40px;
  border-radius: 50px;
  position: relative;
  overflow: hidden;
  transition: color 0.3s ease;
  box-shadow: 0 3px 6px rgba(0,0,150,0.12);
}
.button span {
  font-size: 1.5rem;
  position: relative;
  z-index: 2; /* アニメーションの上に表示 */
}
.button .en-text {
  font-size: 1.1875rem;
  display: block;
}
.button::after {
  content: '';
  background: url(../images/btn_arrow.png) no-repeat center center;
  background-size: 21px auto;
  width: 21px;
  height: 22px;
  position: absolute;
  z-index: 2;
  right: 32px;
}

/* ホバー時の白色アニメーション */
.button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.2);
  transition: transform 0.3s ease-out;
  z-index: 1;
}
.button:hover::before {
  transform: translateX(100%);
}

@media only screen and (max-width: 1000px) {
  .pre-registration {
    text-align: center;
    margin: 24px auto;
  }
  .button {
    width: 310px;
    margin: 0 auto;
    padding: 12px 30px;
    border-radius: 50px;
  }
  .button span {
    font-size: 1.125rem;
  }
  .button .en-text {
    font-size: 0.875rem;
  }
  .button::after {
    background-size: 13px auto;
    width: 13px;
    height: 12px;
    right: 32px;
  }

}

/* 固定ナビ */
.fixed-navigation {
    position: fixed;
    bottom: 40px;
    right: 26px;
    z-index: 999;
}

.nav-item {
    display: block;
    width: 58px;
    height: 58px;
    margin-top: 14px;
    text-decoration: none;
}

.nav-item img {
    width: 100%;
    height: 100%;
    display: block;
    border-radius: 29px 29px 0 29px;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.2);
    transition: box-shadow 0.3s ease;
    
}
.nav-item.last {
    margin-top: 32px;
}
.nav-item.last img {
    border-radius: 29px;
}

@media only screen and (max-width: 1000px) {
  .fixed-navigation {
      position: fixed;
      bottom: 20px;
      display: flex;
      left: 50%;
      transform: translateX(-50%);
      right: auto;
  }
  .nav-item {
      width: auto;
      height: 44px;
      margin-top: 0;
      margin: 0 4px;
  }
  .nav-item img {
      width: auto;
      height: 44px;
      border-radius: 22px 22px 0 22px;
  }
  .nav-item.last {
      margin-top: 0;
      margin-left: 8px;
  }
  .nav-item.last img {
      border-radius: 22px;
  }
}