@charset "UTF-8";
/* Scss Document */
/* Scss Document */
@font-face {
  font-family: "NotoSansJPMidium-Subset";
  src: url("/common/fonts/NotoSansJP-Midium.woff2") format("woff2"), url("/common/fonts/NotoSansJP-Midium.woff") format("woff");
  font-weight: 400;
  font-style: bold;
  font-display: swap;
}
/* ---- page layout ---------------------------------------- */
.ss20th-bg {
  background-color: #14aef0;
  width: 100%;
}

.ss20th-mv-bg {
  background-color: #14aef0;
  width: 100%;
}

#headWrap-20th {
  width: 100%;
  margin: 0 auto;
  z-index: 1;
}
@media (max-width: 991px) {
  #headWrap-20th {
    display: none;
  }
}

#headInner-20th {
  width: 100%;
  height: auto;
  margin: 0 auto;
  position: relative;
  clear: both;
  z-index: 40;
}

#headInner-20th p.safetyLogo {
  position: absolute;
  top: 32px;
  left: 200px;
  width: 166px;
  height: 27px;
}

#headInner-20th p.jfaLogo {
  position: absolute;
  right: 0px;
  top: 41px;
  width: 211px;
  height: 28px;
}

#headWrap-20th-sp {
  display: none;
}

@media (max-width: 991px) {
  #menu #mainNavi {
    display: none;
  }
  #headWrap-20th {
    display: none;
  }
  #headWrap-20th-sp {
    display: none;
  }
}
@media (max-width: 991px) and (max-width: 991px) {
  #headWrap-20th-sp {
    display: flex;
    position: fixed;
    justify-content: space-between;
    align-items: center;
    height: 36px;
    width: 100%;
    box-sizing: border-box;
    z-index: 10;
    top: 0;
    left: 0;
  }
  #headWrap-20th-sp h1 {
    width: 40%;
    max-width: 160px;
  }
  #headWrap-20th-sp h1 img {
    width: 150px;
    height: auto;
    display: block;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.25);
  }
  #headWrap-20th-sp .safetyLogo img {
    position: absolute;
    top: 26px;
    left: 180px;
  }
}
@media screen and (max-width: 991px) and (max-width: 991px) and (max-width: 413px) {
  #headWrap-20th-sp .safetyLogo img {
    width: 135px;
  }
}
@media (max-width: 991px) and (max-width: 991px) and (max-width: 320px) {
  #headWrap-20th-sp .safetyLogo img {
    left: 145px;
    width: 125px;
  }
}
@media (max-width: 991px) and (max-width: 991px) {
  #headWrap-20th-sp .header-sp-right {
    padding-right: 10px;
  }
  #headWrap-20th-sp .header-sp-right .jfaLogo {
    padding-right: 5px;
    display: none;
  }
}
@media (max-width: 991px) {
  #headWrap-20th-sp .top_socialSvc {
    display: none;
  }
  #headWrap-20th-sp #footWrap {
    height: 230px;
  }
  #headWrap-20th-sp #footWrap ul {
    margin-top: 50px;
    padding-left: 10px;
  }
}
#headWrap-20th-sp {
  display: none;
}
@media (max-width: 991px) {
  #headWrap-20th-sp {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    height: 60px;
    width: 100%;
    z-index: 10;
    box-sizing: border-box;
    top: 0;
    left: 0;
  }
}
@media screen and (max-width: 991px) and (max-width: 375px) {
  #headWrap-20th-sp {
    padding-inline: 9px;
    top: -4px;
  }
}
@media (max-width: 991px) {
  #headWrap-20th-sp h1 {
    width: 100%;
    max-width: 325px;
  }
}
@media screen and (max-width: 991px) and (max-width: 375px) {
  #headWrap-20th-sp h1 {
    max-width: 178px;
  }
}
@media (max-width: 991px) {
  #headWrap-20th-sp h1 img {
    width: 68%;
    height: auto;
    display: block;
  }
}
@media screen and (max-width: 991px) and (max-width: 375px) {
  #headWrap-20th-sp h1 img {
    width: 100%;
  }
}
@media (max-width: 991px) {
  #headWrap-20th-sp h1 .header-sp-right {
    display: flex;
    align-items: center;
    padding-bottom: 10px;
  }
}

#ss20th #container #content {
  width: 758px;
  float: right;
  display: block;
  border: none;
  margin-bottom: 10px;
  position: relative;
  line-height: 1.7;
}
@media (max-width: 991px) {
  #ss20th #container #content {
    margin-bottom: 0;
  }
}

#ss20th-container #content #wrapper {
  zoom: 1;
  clear: both;
  display: block;
  width: 758px;
}
#ss20th-container #content #main {
  width: 410px;
  float: left;
  padding: 0 20px 0 8px;
}
#ss20th-container #content #side {
  width: 320px;
  float: left;
}
#ss20th-container #content #side .top_chain ul li img {
  max-width: 85px;
}
#ss20th-container #content #side .top_chain ul li:nth-child(4) img {
  max-width: 90px;
}

/*ハンバーガーメニュー用スタイル*/
#ss20th-nav-drawer {
  position: fixed;
  top: 6px;
  right: 5px;
  z-index: 1000;
}

/*チェックボックス等は非表示に*/
.ss20th-nav-unshown {
  display: none;
}

/*アイコンのスペース*/
#ss20th-nav-open {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  cursor: pointer;
  z-index: 9999;
  position: relative;
}
@media screen and (max-width: 375px) {
  #ss20th-nav-open {
    right: 3px;
  }
}
#ss20th-nav-open span {
  display: block;
  height: 3px;
  /*線の太さ*/
  width: 25px;
  /*長さ*/
  border-radius: 3px;
  background: #fff;
  cursor: pointer;
  transition: all 0.05s ease-out;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.25);
  margin: 3px 0;
}

#ss20th-nav-input:checked ~ #ss20th-nav-open span:nth-of-type(1) {
  transform: rotate(-45deg);
  position: relative;
  bottom: -5px;
}
#ss20th-nav-input:checked ~ #ss20th-nav-open span:nth-of-type(2) {
  display: none;
}
#ss20th-nav-input:checked ~ #ss20th-nav-open span:nth-of-type(3) {
  transform: rotate(45deg);
  position: relative;
  bottom: 4px;
}

/*閉じる用の薄黒カバー*/
#ss20th-nav-close {
  display: none;
  /*はじめは隠しておく*/
  position: fixed;
  z-index: 9998;
  top: 0;
  /*全体に広がるように*/
  left: 0;
  width: 100%;
  height: 100%;
  background: black;
  opacity: 0;
  transition: 0.3s ease-in-out;
}

/*中身*/
#ss20th-nav-content {
  display: flex;
  flex-direction: column;
  overflow: auto;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9999;
  /*最前面に*/
  width: 90%;
  /*右側に隙間を作る（閉じるカバーを表示）*/
  max-width: 330px;
  /*最大幅（調整してください）*/
  height: 100%;
  background: #fff;
  /*背景色*/
  transition: 0.3s ease-in-out;
  /*滑らかに表示*/
  transform: translateX(-105%);
  /*左に隠しておく*/
}
@media (max-width: 500px) {
  #ss20th-nav-content {
    width: 80%;
  }
}
#ss20th-nav-content ul {
  padding-top: 15%;
  padding-bottom: 2%;
}
#ss20th-nav-content ul:last-child li {
  padding-bottom: 15px;
}
#ss20th-nav-content ul li {
  text-align: center;
  padding-bottom: 20px;
  font-weight: 400;
}
#ss20th-nav-content ul li img {
  max-width: 190px;
}
#ss20th-nav-content ul li a {
  color: #3486ca;
}

.ss20th-nav-colored-section {
  background-color: #06b4ff;
  flex-grow: 1;
}

.ss20th-nav-logo-area {
  max-width: 160px;
  margin: 9% auto 9%;
  text-align: center;
}

.ss20th-nav-logo-area02 {
  text-align: center;
  background-color: #fff;
  padding: 8px 0;
}

/*チェックが入ったらもろもろ表示*/
#ss20th-nav-input:checked ~ #ss20th-nav-close {
  display: block;
  /*カバーを表示*/
  opacity: 0.5;
  pointer-events: auto;
}

#ss20th-nav-input:checked ~ #ss20th-nav-content {
  transform: translateX(0%);
  /*中身を表示（右へスライド）*/
  box-shadow: 6px 0 25px rgba(0, 0, 0, 0.15);
}

/*========= レイアウトのためのCSS ===============*/
#ss20th-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  pointer-events: none;
}

a {
  color: #fff;
}

/*========= particle js を描画するエリア設定 ===============*/
html,
body#ss20th {
  min-height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  /*高さを100%にして描画エリアをとる*/
}

.particles-area {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1226px;
  overflow: hidden;
  z-index: 10;
  pointer-events: none;
}

#particles-js {
  position: absolute;
  /*描画固定*/
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: transparent;
  /*背景色*/
  pointer-events: none;
  z-index: 1;
}

.button-area {
  position: relative;
  z-index: 1;
}

#wrapper {
  position: relative;
  /*描画を#particles-jsよりも上にするためposition:relative;を指定*/
  z-index: 1;
  /*z-indexの数字を大きくすることで描画を#particles-jsよりも上に*/
  width: 100%;
  height: 100%;
}

.panel {
  background: #fff;
  border-radius: 5px;
  padding: 20px;
  text-align: center;
  position: absolute;
  z-index: 1;
  color: #000;
}

.ss20th-mv-bg {
  position: relative;
  width: 100%;
}

body#ss20th {
  font-size: 100%;
  color: #3486ca;
  background-color: #fff;
  font-family: "NotoSansJPMidium-Subset", Arial, "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  font-weight: 400;
  margin: 0;
}
body#ss20th a {
  color: #23b4f1;
  text-decoration: none;
  position: relative;
  z-index: 3;
}
body#ss20th img {
  max-width: 100%;
  vertical-align: bottom;
}
body#ss20th li {
  list-style: none;
}

.ss20th-mv {
  position: relative;
  width: 100%;
  height: 628px;
  top: 14px;
}
@media screen and (max-width: 768px) {
  .ss20th-mv {
    height: 76.8229166667vw;
    top: 25px;
  }
}
@media screen and (max-width: 556px) {
  .ss20th-mv {
    height: 453px;
    height: 81.4748201439vw;
    top: 26px;
  }
}
@media screen and (max-width: 420px) {
  .ss20th-mv {
    height: 390px;
    top: 26px;
    left: 1.2%;
  }
}
@media screen and (max-width: 414px) {
  .ss20th-mv {
    height: 370px;
    top: 26px;
    left: 1.2%;
  }
}
@media screen and (max-width: 375px) {
  .ss20th-mv {
    height: 318px;
    top: 25px;
    left: 1.2%;
  }
}

.snowflakes {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}
.snowflakes div {
  position: absolute;
  background-color: white;
  border-radius: 50%;
  animation: fall 5s linear infinite;
}

@keyframes fall {
  0% {
    top: -10%;
  }
  100% {
    top: 100%;
  }
}
.ss20th-mv {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  text-align: center;
  position: relative;
}

.ss20th-logo {
  max-width: 495px;
  width: 100%;
  z-index: 9;
  margin-bottom: 50px;
}
@media screen and (max-width: 991px) {
  .ss20th-logo {
    max-width: 450px;
  }
}
@media screen and (max-width: 768px) {
  .ss20th-logo {
    max-width: 400px;
    max-width: 52.0833333333vw;
    margin-bottom: 20px;
  }
}
@media screen and (max-width: 420px) {
  .ss20th-logo {
    max-width: 250px;
    margin-bottom: 20px;
  }
}
@media screen and (max-width: 414px) {
  .ss20th-logo {
    max-width: 238px;
    margin-bottom: 20px;
  }
}
@media screen and (max-width: 375px) {
  .ss20th-logo {
    max-width: 187px;
    margin-bottom: 20px;
  }
}
.ss20th-logo img {
  width: 100%;
}

.ss20th-mv-txt {
  text-align: center;
  color: #fff;
  font-size: 24px;
  font-weight: 400;
  z-index: 9;
}
@media screen and (max-width: 768px) {
  .ss20th-mv-txt {
    font-size: 28px;
  }
}
@media screen and (max-width: 730px) {
  .ss20th-mv-txt {
    font-size: 23px;
  }
}
@media screen and (max-width: 664px) {
  .ss20th-mv-txt {
    font-size: 17px;
  }
}
@media screen and (max-width: 556px) {
  .ss20th-mv-txt {
    font-size: 16px;
  }
}
@media screen and (max-width: 414px) {
  .ss20th-mv-txt {
    font-size: 15px;
  }
}
@media screen and (max-width: 400px) {
  .ss20th-mv-txt {
    font-size: 14px;
  }
}

.company-logo {
  position: absolute;
  top: 20px;
  left: 20px;
  z-index: 2;
}

.ss20th-button-bar {
  background-color: #99e1ff;
  position: relative;
  z-index: auto;
}

.ss20th-menu-buttons {
  position: relative;
  bottom: 0;
  padding: 3em 0;
  display: flex;
  justify-content: center;
  width: 100%;
  z-index: 2;
  gap: 28px;
  flex-wrap: wrap;
}
@media screen and (min-width: 991px) {
  .ss20th-menu-buttons {
    gap: 1.7578125vw;
  }
}
.ss20th-menu-buttons a {
  display: block;
  flex: 0 0 180px;
}
@media screen and (max-width: 768px) {
  .ss20th-menu-buttons a {
    flex-basis: clamp(160px, 14vw, 180px);
  }
}
.ss20th-menu-buttons img {
  max-width: none;
  width: 100%;
  height: auto;
  transition: transform 0.3s ease;
}
.ss20th-menu-buttons img:hover {
  transform: scale(1.1);
}
@media screen and (max-width: 768px) {
  .ss20th-menu-buttons {
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
  }
  .ss20th-menu-buttons img {
    width: 45%;
  }
}

.ss20th-menu-buttons-sp {
  background-color: #99e1ff;
  width: 100%;
  display: flex;
  position: relative;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  --sp-icon-w: clamp(100px, 26vw, 180px); /* ←全段これで統一 */
  padding: 30px 15px; /* 左右余白＋下の見切れ防止 */
  box-sizing: border-box;
}
@media screen and (max-width: 375px) {
  .ss20th-menu-buttons-sp {
    padding: 25px 0;
  }
}
.ss20th-menu-buttons-sp .ss20th-menu-buttons-sp-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
}
.ss20th-menu-buttons-sp .ss20th-row, .ss20th-menu-buttons-sp .ss20th-row-bottom {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  z-index: 5;
  flex-wrap: nowrap;
  width: 100%;
}
@media screen and (max-width: 375px) {
  .ss20th-menu-buttons-sp .ss20th-row, .ss20th-menu-buttons-sp .ss20th-row-bottom {
    gap: 17px;
  }
}
.ss20th-menu-buttons-sp a {
  display: block;
  flex: 0 0 var(--sp-icon-w) !important;
  width: var(--sp-icon-w) !important;
  max-width: none;
  min-width: 0;
}
.ss20th-menu-buttons-sp img {
  display: block;
  max-width: none;
  width: 100%;
  height: auto;
  transform: none;
}

.hidden-sp {
  display: block;
}
@media screen and (max-width: 991px) {
  .hidden-sp {
    display: none;
  }
}

.ss20th-section {
  margin-top: 160px;
}
@media screen and (max-width: 750px) {
  .ss20th-section {
    margin-top: 26.6666666667vw;
  }
}
@media screen and (max-width: 375px) {
  .ss20th-section {
    margin-top: 70px;
  }
}

.ss20th-section-ttl {
  text-align: center;
  font-size: 2.635431918vw;
  font-weight: 500;
  line-height: 1.35;
  color: #23b4f1;
}
@media screen and (max-width: 756px) {
  .ss20th-section-ttl {
    font-size: 5.291005291vw;
  }
}
@media screen and (max-width: 500px) {
  .ss20th-section-ttl {
    font-size: 5.6vw;
  }
}
@media screen and (max-width: 440px) {
  .ss20th-section-ttl {
    font-size: 20px;
    line-height: 1.25;
  }
}
.ss20th-section-ttl span {
  font-size: 1.756954612vw;
}
@media screen and (max-width: 756px) {
  .ss20th-section-ttl span {
    font-size: 3.7037037037vw;
  }
}
@media screen and (max-width: 500px) {
  .ss20th-section-ttl span {
    font-size: 14px;
  }
}
@media screen and (max-width: 375px) {
  .ss20th-section-ttl span {
    font-size: 15px;
  }
}

.ss20th-section01-bg {
  background-color: #99e1ff;
  padding-block: 54px;
  margin-top: 54px;
}
@media screen and (max-width: 750px) {
  .ss20th-section01-bg {
    margin-top: 30px;
    padding-block: 100px;
  }
}
@media screen and (max-width: 440px) {
  .ss20th-section01-bg {
    margin-top: 19.5px;
    padding-block: 55px;
  }
}
@media screen and (max-width: 375px) {
  .ss20th-section01-bg {
    margin-top: 19.5px;
    padding-block: 48px;
  }
}

.ss20th-section01-innerwrap {
  padding-inline: 50px;
}
@media screen and (max-width: 375px) {
  .ss20th-section01-innerwrap {
    padding-inline: 46px;
  }
}

.ss20th-message-block {
  color: #4457a3;
  font-weight: 500;
  display: flex;
  flex-direction: row-reverse;
  margin: 0 auto;
  gap: 50px;
  justify-content: center;
  text-align: center;
}
@media screen and (max-width: 991px) {
  .ss20th-message-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: start;
    gap: 26px;
  }
}
@media screen and (max-width: 375px) {
  .ss20th-message-block {
    gap: 25px;
  }
}

.ss20th-message-comments {
  max-width: 536px;
  text-align: start;
}
@media screen and (max-width: 991px) {
  .ss20th-message-comments {
    max-width: 49.4450050454vw;
  }
}
@media screen and (max-width: 768px) {
  .ss20th-message-comments {
    max-width: 72.3958333333vw;
  }
}
@media screen and (max-width: 751px) {
  .ss20th-message-comments {
    max-width: 75.8988015979vw;
  }
}
@media screen and (max-width: 500px) {
  .ss20th-message-comments {
    max-width: 480px;
  }
}
.ss20th-message-comments p {
  text-align: justify;
}
@media screen and (max-width: 768px) {
  .ss20th-message-comments p {
    font-size: 2.8645833333vw;
  }
}
@media screen and (max-width: 751px) {
  .ss20th-message-comments p {
    font-size: 3.1957390146vw;
  }
}
@media screen and (max-width: 500px) {
  .ss20th-message-comments p {
    font-size: 3.2vw;
    letter-spacing: -0.02em;
  }
}
@media screen and (max-width: 440px) {
  .ss20th-message-comments p {
    font-size: 14px;
    letter-spacing: -0.02em;
  }
}
@media screen and (max-width: 428px) {
  .ss20th-message-comments p {
    letter-spacing: -0.07em;
  }
}
@media screen and (max-width: 390px) {
  .ss20th-message-comments p {
    letter-spacing: -0.02em;
  }
}
@media screen and (max-width: 375px) {
  .ss20th-message-comments p {
    font-size: 14px;
    letter-spacing: -0.05em;
    line-height: 1.5;
  }
}

.ss20th-message-name-role {
  margin-top: 15px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
@media screen and (max-width: 991px) {
  .ss20th-message-name-role {
    margin-top: 0;
    align-items: normal;
  }
}
@media screen and (max-width: 375px) {
  .ss20th-message-name-role {
    margin-top: 0;
  }
}

.ss20th-message-role {
  font-size: 14px;
  line-height: 1.35;
  text-align: start;
}
@media screen and (max-width: 768px) {
  .ss20th-message-role {
    font-size: 2.6041666667vw;
  }
}
@media screen and (max-width: 500px) {
  .ss20th-message-role {
    font-size: 15px;
    font-size: 3vw;
  }
}
@media screen and (max-width: 440px) {
  .ss20th-message-role {
    font-size: 2.7272727273vw;
  }
}
@media screen and (max-width: 414px) {
  .ss20th-message-role {
    font-size: 2.6570048309vw;
  }
}
@media screen and (max-width: 375px) {
  .ss20th-message-role {
    font-size: 12px;
    letter-spacing: -0.1em;
  }
}

@media screen and (max-width: 768px) {
  .ss20th-message-name {
    font-size: 3.515625vw;
    text-align: start;
    letter-spacing: -0.02em;
  }
}
@media screen and (max-width: 617px) {
  .ss20th-message-name {
    font-size: 3.8897893031vw;
  }
}
@media screen and (max-width: 500px) {
  .ss20th-message-name {
    font-size: 3vw;
  }
}
@media screen and (max-width: 428px) {
  .ss20th-message-name {
    font-size: 3.738317757vw;
  }
}
@media screen and (max-width: 414px) {
  .ss20th-message-name {
    font-size: 3.3816425121vw;
  }
}
@media screen and (max-width: 390px) {
  .ss20th-message-name {
    font-size: 3.5897435897vw;
  }
}
@media screen and (max-width: 375px) {
  .ss20th-message-name {
    font-size: 14.5px;
    text-align: start;
    letter-spacing: -0.02em;
    padding-top: 6px;
  }
}
.ss20th-message-name span {
  font-size: 22px;
}
@media screen and (max-width: 768px) {
  .ss20th-message-name span {
    font-size: 37px;
    font-size: 4.8177083333vw;
  }
}
@media screen and (max-width: 500px) {
  .ss20th-message-name span {
    font-size: 5.2vw;
  }
}
@media screen and (max-width: 440px) {
  .ss20th-message-name span {
    font-size: 4.5454545455vw;
  }
}
@media screen and (max-width: 390px) {
  .ss20th-message-name span {
    font-size: 4.6153846154vw;
  }
}
@media screen and (max-width: 375px) {
  .ss20th-message-name span {
    font-size: 18.5px;
  }
}

@media screen and (max-width: 991px) {
  .ss20th-message-person {
    display: flex;
    gap: 50px;
    align-items: center;
  }
}
@media screen and (max-width: 834px) {
  .ss20th-message-person {
    gap: 39px;
  }
}
@media screen and (max-width: 756px) {
  .ss20th-message-person {
    gap: 25.5px;
  }
}
@media screen and (max-width: 375px) {
  .ss20th-message-person {
    gap: 24.5px;
  }
}

.ss20th-message-photo {
  max-width: 210px;
}
@media screen and (max-width: 834px) {
  .ss20th-message-photo {
    max-width: 17.8657074341vw;
  }
}
@media screen and (max-width: 768px) {
  .ss20th-message-photo {
    max-width: 22.1354166667vw;
  }
}
@media screen and (max-width: 500px) {
  .ss20th-message-photo {
    max-width: 30vw;
  }
}
@media screen and (max-width: 440px) {
  .ss20th-message-photo {
    max-width: 27.7272727273vw;
  }
}
@media screen and (max-width: 390px) {
  .ss20th-message-photo {
    max-width: 100px;
  }
}
@media screen and (max-width: 375px) {
  .ss20th-message-photo {
    max-width: 91px;
  }
}

.ss20th-section02-bg {
  background-color: #ade7ff;
  padding-block: 100px;
  margin-top: 54px;
}
@media screen and (max-width: 768px) {
  .ss20th-section02-bg {
    padding-inline: 56px;
    padding-top: 56px;
    padding-bottom: 48px;
    margin-top: 30px;
  }
}
@media screen and (max-width: 750px) {
  .ss20th-section02-bg {
    padding-inline: 40px;
    padding-block: 100px;
  }
}
@media screen and (max-width: 720px) {
  .ss20th-section02-bg {
    padding-inline: 48px;
    padding-block: 100px;
  }
}
@media screen and (max-width: 440px) {
  .ss20th-section02-bg {
    margin-top: 14.5px;
    padding-inline: 23px;
  }
}
@media screen and (max-width: 375px) {
  .ss20th-section02-bg {
    margin-top: 17.5px;
    padding-inline: 23px;
    padding-block: 48px;
  }
}

.ss20th-movie-txt {
  font-size: 13px;
  font-weight: 500;
  max-width: 755px;
  margin: 0 auto 10px;
}
@media screen and (max-width: 834px) {
  .ss20th-movie-txt {
    max-width: 600px;
  }
}

.splide__slide img {
  width: 100%;
  height: auto;
  display: block;
}

.splide__track {
  padding-bottom: 15px;
  max-width: 755px;
  width: 100%;
  margin: 0 auto;
  overflow: hidden;
}
@media screen and (max-width: 834px) {
  .splide__track {
    max-width: 600px;
  }
}
@media screen and (max-width: 500px) {
  .splide__track {
    padding-bottom: 6px;
  }
}
@media screen and (max-width: 440px) {
  .splide__track {
    padding-bottom: 3px;
  }
}
@media screen and (max-width: 390px) {
  .splide__track {
    padding-bottom: 0px;
  }
}

.splide__list {
  margin: 0 auto;
  padding: 0;
}

.splide__arrow {
  background-color: transparent !important;
}

.splide__arrow svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
  color: #06b4ff;
}

.splide__arrow svg {
  width: 22px;
  height: 22px;
  background-color: transparent;
  color: #06b4ff;
}

#main-carousel .splide__slide {
  min-height: 0;
  position: relative;
  overflow: hidden;
}
#main-carousel .slide-video {
  position: absolute;
  inset: 0;
  width: calc(100% + 2px);
  height: 100%;
  left: -1px;
  -o-object-fit: cover;
     object-fit: cover;
  display: block;
  border: 0;
  outline: 0;
  transform: none;
  backface-visibility: hidden;
}
#main-carousel .slide-media {
  position: relative;
  margin: 0;
  aspect-ratio: 16/9;
  overflow: hidden;
  transform: translateZ(0);
  backface-visibility: hidden;
}

figure {
  margin-block-start: 0;
  margin-block-end: 0;
  margin-inline-start: 0;
  margin-inline-end: 0;
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
}
@media (max-width: 991px) {
  figure {
    max-width: 700px;
  }
}

video {
  filter: drop-shadow(0px 0px #000);
}

.slide-video {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
}
@media (max-width: 991px) {
  .slide-video {
    max-width: 700px;
  }
}

.slide-media,
.slide-media video {
  position: relative;
  z-index: 1;
  pointer-events: auto;
}

.splide__track::before,
.splide__track::after {
  pointer-events: none;
}

#thumbnail-carousel {
  margin: 0 auto;
  max-width: 830px;
}
#thumbnail-carousel .splide__slide {
  min-width: 0;
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin: 0;
  width: clamp(95px, (100% - 32px) / 3, 242px);
}
@media screen and (max-width: 768px) {
  #thumbnail-carousel .splide__slide {
    width: clamp(95px, (100% - 32px) / 3, 208px);
  }
}
@media screen and (max-width: 500px) {
  #thumbnail-carousel .splide__slide {
    width: calc((100% - 12px) / 3);
  }
}
@media screen and (max-width: 440px) {
  #thumbnail-carousel .splide__slide {
    width: calc((100% - 8px) / 3);
  }
}
@media screen and (max-width: 390px) {
  #thumbnail-carousel .splide__slide {
    width: calc((100% - 14px) / 3);
  }
}
@media screen and (max-width: 375px) {
  #thumbnail-carousel .splide__slide {
    min-height: 65px;
    width: calc((100% - 0px) / 3);
  }
}
#thumbnail-carousel .splide__slide img {
  aspect-ratio: 242/140;
  -o-object-fit: cover;
     object-fit: cover;
}
#thumbnail-carousel .splide__slide.is-active {
  border: none;
  outline: none;
  box-shadow: none;
}
#thumbnail-carousel .splide__slide.is-active img {
  outline: 3px solid #fff;
  outline-offset: -3px;
}
#thumbnail-carousel .splide__arrow svg {
  width: 40px;
  height: 40px;
  fill: #23b4f1;
}
@media screen and (max-width: 375px) {
  #thumbnail-carousel .splide__arrow svg {
    width: 20px;
    height: 20px;
  }
}
#thumbnail-carousel .splide__track,
#thumbnail-carousel .splide__list {
  justify-content: center;
}
#thumbnail-carousel .splide__list {
  gap: 16px;
}
@media screen and (max-width: 750px) {
  #thumbnail-carousel .splide__list {
    gap: 13px;
  }
}
@media screen and (max-width: 500px) {
  #thumbnail-carousel .splide__list {
    gap: 5px;
  }
}
@media screen and (max-width: 440px) {
  #thumbnail-carousel .splide__list {
    gap: 4px;
  }
}
@media screen and (max-width: 390px) {
  #thumbnail-carousel .splide__list {
    gap: 6px;
  }
}
@media screen and (max-width: 375px) {
  #thumbnail-carousel .splide__list {
    gap: 0px;
  }
}
@media screen and (max-width: 834px) {
  #thumbnail-carousel .splide__arrow--next {
    right: 6em;
  }
}
@media screen and (max-width: 768px) {
  #thumbnail-carousel .splide__arrow--next {
    right: 0vw;
  }
}
@media screen and (max-width: 720px) {
  #thumbnail-carousel .splide__arrow--next {
    right: -1em;
  }
}
@media screen and (max-width: 705px) {
  #thumbnail-carousel .splide__arrow--next {
    right: -2em;
  }
}
@media screen and (max-width: 440px) {
  #thumbnail-carousel .splide__arrow--next {
    right: -2em;
  }
}
@media screen and (max-width: 390px) {
  #thumbnail-carousel .splide__arrow--next {
    right: -2em;
  }
}
@media screen and (max-width: 375px) {
  #thumbnail-carousel .splide__arrow--next {
    right: -1.6em;
  }
}
@media screen and (max-width: 834px) {
  #thumbnail-carousel .splide__arrow--prev {
    left: 6em;
  }
}
@media screen and (max-width: 768px) {
  #thumbnail-carousel .splide__arrow--prev {
    left: -1em;
  }
}
@media screen and (max-width: 720px) {
  #thumbnail-carousel .splide__arrow--prev {
    left: -1em;
  }
}
@media screen and (max-width: 705px) {
  #thumbnail-carousel .splide__arrow--prev {
    left: -2em;
  }
}
@media screen and (max-width: 440px) {
  #thumbnail-carousel .splide__arrow--prev {
    left: -2em;
  }
}
@media screen and (max-width: 390px) {
  #thumbnail-carousel .splide__arrow--prev {
    left: -2em;
  }
}
@media screen and (max-width: 375px) {
  #thumbnail-carousel .splide__arrow--prev {
    left: -1.6em;
  }
}

.ss20th-section05-bg,
.ss20th-section06-bg {
  background-color: #ade7ff;
  margin-top: 54px;
  padding-block: 54px;
}
@media screen and (max-width: 750px) {
  .ss20th-section05-bg,
  .ss20th-section06-bg {
    margin-top: 30px;
  }
}
@media screen and (max-width: 500px) {
  .ss20th-section05-bg,
  .ss20th-section06-bg {
    margin-top: 14.5px;
  }
}
@media screen and (max-width: 440px) {
  .ss20th-section05-bg,
  .ss20th-section06-bg {
    margin-top: 14.5px;
  }
}
@media screen and (max-width: 375px) {
  .ss20th-section05-bg,
  .ss20th-section06-bg {
    padding-block: 45px;
    margin-top: 14.5px;
  }
}

/* ========== 基本レイアウト：中央ラインありの3カラム（PC/タブレット） ========== */
#conference-timeline {
  position: relative;
  max-width: 980px;
  width: 100%;
  margin: 0 auto;
  padding-block: 50px;
}
@media screen and (max-width: 834px) {
  #conference-timeline {
    padding-block: 65px;
  }
}
@media screen and (max-width: 400px) {
  #conference-timeline {
    padding-block: 45px;
  }
}

.ss20th-section03-bg {
  background-color: #ade7ff;
  margin-top: 54px;
}
@media screen and (max-width: 400px) {
  .ss20th-section03-bg {
    margin-top: 14.5px;
  }
}

#conference-timeline .conference-timeline-content {
  position: relative;
  display: block;
  padding-top: 8px;
  /* 左 / 線(12px) / 右 */
}
@media screen and (max-width: 991px) {
  #conference-timeline .conference-timeline-content {
    padding: 0;
  }
}

.timeline-article p {
  margin: 0;
  padding: 0;
  font-weight: 500;
  color: #3486ca;
  font-size: 14px;
  line-height: 24px;
  position: relative;
}
@media screen and (max-width: 768px) {
  .timeline-article p {
    font-size: 2.34375vw;
    line-height: 1.5;
  }
}
@media screen and (max-width: 500px) {
  .timeline-article p {
    font-size: 13px;
    line-height: 1.5;
    letter-spacing: -0.06em;
  }
}
@media screen and (max-width: 390px) {
  .timeline-article p {
    letter-spacing: -0.03em;
  }
}
@media screen and (max-width: 375px) {
  .timeline-article p {
    font-size: 13px;
    line-height: 1.5;
    letter-spacing: 0.001em;
  }
}
.timeline-article p span.txt-adjust {
  letter-spacing: 0.01em;
}
.timeline-article p span.txt-adjust02 {
  letter-spacing: -0.05em;
}
.timeline-article p span.txt-2006-1 {
  letter-spacing: -0.01em;
}

#conference-timeline .conference-timeline-content::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 50%;
  transform: translateX(-50%);
  width: 6px;
  background: #fff;
  pointer-events: none;
  z-index: 0;
  border-radius: 3px;
}
@media screen and (max-width: 991px) {
  #conference-timeline .conference-timeline-content::before {
    left: 18% !important;
    transform: none !important; /* 中央用のtranslateを打ち消す */
  }
}
@media screen and (max-width: 834px) {
  #conference-timeline .conference-timeline-content::before {
    left: 15% !important; /* 12px列の中心 */
  }
}
@media screen and (max-width: 768px) {
  #conference-timeline .conference-timeline-content::before {
    left: 11% !important; /* 12px列の中心 */
  }
}
@media screen and (max-width: 751px) {
  #conference-timeline .conference-timeline-content::before {
    left: 9% !important; /* 12px列の中心 */
  }
}
@media screen and (max-width: 617px) {
  #conference-timeline .conference-timeline-content::before {
    left: 9% !important; /* 12px列の中心 */
    transform: none !important; /* 中央用のtranslateを打ち消す */
    width: 4px;
  }
}
@media screen and (max-width: 500px) {
  #conference-timeline .conference-timeline-content::before {
    left: 69px !important; /* 12px列の中心 */
    transform: none !important; /* 中央用のtranslateを打ち消す */
    width: 4px;
  }
}
@media screen and (max-width: 440px) {
  #conference-timeline .conference-timeline-content::before {
    left: 54px !important; /* 12px列の中心 */
    transform: none !important; /* 中央用のtranslateを打ち消す */
    width: 4px;
  }
}
@media screen and (max-width: 390px) {
  #conference-timeline .conference-timeline-content::before {
    left: 10% !important; /* 12px列の中心 */
    transform: none !important; /* 中央用のtranslateを打ち消す */
    width: 4px;
  }
}
@media screen and (max-width: 375px) {
  #conference-timeline .conference-timeline-content::before {
    left: 8.5% !important; /* 12px列の中心 */
    transform: none !important; /* 中央用のtranslateを打ち消す */
    width: 4px;
  }
}

/* 1アイテム（記事）を「中身だけ」グリッドに参加させる */
#conference-timeline .timeline-article {
  display: contents;
  position: relative;
  /* ドット位置のためのカスタムプロパティ（デフォルト） */
  --shift: 0px;
  --dot-size: 40px;
  --dot-y: var(--dot-y-pc, 50px); /* PC/タブレットで使う基準値。個別指定が無ければ20px */
  --tri-v-offset: var(--tri-v-offset-pc, 0px);
  --block-offset: var(--block-offset-pc, 0px);
  display: flex;
  align-items: flex-start;
  margin-bottom: 36px;
}
@media screen and (max-width: 991px) {
  #conference-timeline .timeline-article {
    display: flex;
    justify-content: flex-start;
  }
}
@media screen and (max-width: 751px) {
  #conference-timeline .timeline-article {
    --dot-size: 42px; /* 丸を小さく */
    --dot-y: var(--dot-y-sp, 30px); /* 丸の縦位置を調整 */
    --tri-v-offset: var(--tri-v-offset-sp, 0px); /* 三角の縦位置も個別調整可 */
  }
}
@media screen and (max-width: 689px) {
  #conference-timeline .timeline-article {
    --dot-size: 37px;
  }
}
@media screen and (max-width: 617px) {
  #conference-timeline .timeline-article {
    --dot-size: 30px; /* 丸を小さく */
    --dot-y: var(--dot-y-sp, 30px); /* 丸の縦位置を調整 */
    --tri-v-offset: var(--tri-v-offset-sp, 0px); /* 三角の縦位置も個別調整可 */
  }
}
@media screen and (max-width: 500px) {
  #conference-timeline .timeline-article {
    --dot-size: 24px; /* 丸を小さく */
    --dot-y: var(--dot-y-sp, 30px); /* 丸の縦位置を調整 */
    --tri-v-offset: var(--tri-v-offset-sp, 0px); /* 三角の縦位置も個別調整可 */
  }
}
@media screen and (max-width: 440px) {
  #conference-timeline .timeline-article {
    --dot-size: 26px; /* 丸を小さく */
    --dot-y: var(--dot-y-sp, 30px); /* 丸の縦位置を調整 */
    --tri-v-offset: var(--tri-v-offset-sp, 0px); /* 三角の縦位置も個別調整可 */
  }
}
@media screen and (max-width: 375px) {
  #conference-timeline .timeline-article {
    --dot-size: 20px; /* 丸を小さく */
    --dot-y: var(--dot-y-sp, 30px); /* 丸の縦位置を調整 */
    --tri-v-offset: var(--tri-v-offset-sp, 0px); /* 三角の縦位置も個別調整可 */
  }
}
#conference-timeline .timeline-article.offset_2004 {
  margin-bottom: 0;
  margin-top: -153px;
}
@media screen and (max-width: 991px) {
  #conference-timeline .timeline-article.offset_2004 {
    margin-top: 0;
    margin-bottom: 36px;
  }
}
#conference-timeline .timeline-article.offset_2006 {
  margin-top: -1250px;
}
@media screen and (max-width: 991px) {
  #conference-timeline .timeline-article.offset_2006 {
    margin-top: 0;
    margin-bottom: 36px;
  }
}
#conference-timeline .timeline-article.offset_2011 {
  margin-top: -90px;
}
@media screen and (max-width: 991px) {
  #conference-timeline .timeline-article.offset_2011 {
    margin-top: 0;
    margin-bottom: 36px;
  }
}
#conference-timeline .timeline-article.offset_2013 {
  margin-top: -400px;
}
@media screen and (max-width: 991px) {
  #conference-timeline .timeline-article.offset_2013 {
    margin-top: 0;
    margin-bottom: 36px;
  }
}
#conference-timeline .timeline-article.offset_2015 {
  margin-top: -240px;
}
@media screen and (max-width: 991px) {
  #conference-timeline .timeline-article.offset_2015 {
    margin-top: 0;
    margin-bottom: 36px;
  }
}
#conference-timeline .timeline-article.offset_2016 {
  margin-top: -375px;
}
@media screen and (max-width: 991px) {
  #conference-timeline .timeline-article.offset_2016 {
    margin-top: 0;
    margin-bottom: 36px;
  }
}
#conference-timeline .timeline-article.offset_2017 {
  margin-top: -240px;
}
@media screen and (max-width: 991px) {
  #conference-timeline .timeline-article.offset_2017 {
    margin-top: 0;
    margin-bottom: 36px;
  }
}
#conference-timeline .timeline-article.offset_2018 {
  margin-top: -330px;
}
@media screen and (max-width: 991px) {
  #conference-timeline .timeline-article.offset_2018 {
    margin-top: 0;
    margin-bottom: 36px;
  }
}
#conference-timeline .timeline-article.offset_2024 {
  margin-top: -210px;
}
@media screen and (max-width: 991px) {
  #conference-timeline .timeline-article.offset_2024 {
    margin-top: 0;
    margin-bottom: 0;
  }
}

@media screen and (max-width: 768px) {
  #conference-timeline .conference-timeline-content .timeline-article {
    margin-top: 0;
    margin-bottom: 60px;
  }
}
@media screen and (max-width: 500px) {
  #conference-timeline .conference-timeline-content .timeline-article {
    margin-top: 0;
    margin-bottom: 40px;
  }
}
@media screen and (max-width: 440px) {
  #conference-timeline .conference-timeline-content .timeline-article {
    margin-top: 0;
    margin-bottom: 30px;
  }
}

#conference-timeline .content-left {
  position: relative;
}

/* 左のカードは1列目、右のカードは3列目へ */
#conference-timeline .timeline-article .content-left-container {
  margin-left: 0;
  margin-right: auto; /* ← 左寄せ */
  flex: 0 0 calc(51% - 59px); /* 中央線との隙間ぶんを引く */
  /* 任意。箱の最大幅 */
}

#conference-timeline .timeline-article .content-right-container {
  margin-left: auto; /* ← 右寄せ（これが効く） */
  margin-right: 0;
  flex: 0 0 calc(51% - 59px);
}

/* 左右の置き場（floatは無効化） */
#conference-timeline .timeline-article .content-left-container,
#conference-timeline .timeline-article .content-right-container {
  float: none !important;
  width: auto;
  max-width: 600px;
}
@media screen and (max-width: 991px) {
  #conference-timeline .timeline-article .content-left-container,
  #conference-timeline .timeline-article .content-right-container {
    width: 74%;
    margin-left: 26%;
    flex: none;
  }
}
@media screen and (max-width: 834px) {
  #conference-timeline .timeline-article .content-left-container,
  #conference-timeline .timeline-article .content-right-container {
    width: 77%;
    margin-left: 23%;
  }
}
@media screen and (max-width: 768px) {
  #conference-timeline .timeline-article .content-left-container,
  #conference-timeline .timeline-article .content-right-container {
    width: 82%;
    margin-left: 18%;
  }
}
@media screen and (max-width: 751px) {
  #conference-timeline .timeline-article .content-left-container,
  #conference-timeline .timeline-article .content-right-container {
    width: 83%;
    margin-left: 17%;
  }
}
@media screen and (max-width: 500px) {
  #conference-timeline .timeline-article .content-left-container,
  #conference-timeline .timeline-article .content-right-container {
    width: 77%;
    margin-left: 23%;
  }
}
@media screen and (max-width: 440px) {
  #conference-timeline .timeline-article .content-left-container,
  #conference-timeline .timeline-article .content-right-container {
    width: 76%;
    margin-left: 24%;
  }
}
@media screen and (max-width: 390px) {
  #conference-timeline .timeline-article .content-left-container,
  #conference-timeline .timeline-article .content-right-container {
    width: 80%;
    margin-left: 20%;
  }
}
@media screen and (max-width: 375px) {
  #conference-timeline .timeline-article .content-left-container,
  #conference-timeline .timeline-article .content-right-container {
    width: 82%;
    margin-left: 18%;
  }
}

/* 本文枠の見た目（お好みで） */
#conference-timeline .timeline-article .content-left,
#conference-timeline .timeline-article .content-right {
  position: relative;
  background: #fff;
  padding: 36px 36px;
}
@media screen and (max-width: 991px) {
  #conference-timeline .timeline-article .content-left,
  #conference-timeline .timeline-article .content-right {
    text-align: left;
    position: relative;
    margin-right: 46px;
  }
}
@media screen and (max-width: 834px) {
  #conference-timeline .timeline-article .content-left,
  #conference-timeline .timeline-article .content-right {
    margin-right: 70px;
  }
}
@media screen and (max-width: 768px) {
  #conference-timeline .timeline-article .content-left,
  #conference-timeline .timeline-article .content-right {
    padding: 60px 60px;
    margin-right: 46px;
  }
}
@media screen and (max-width: 751px) {
  #conference-timeline .timeline-article .content-left,
  #conference-timeline .timeline-article .content-right {
    padding: 60px 60px;
  }
}
@media screen and (max-width: 500px) {
  #conference-timeline .timeline-article .content-left,
  #conference-timeline .timeline-article .content-right {
    padding: 35px 35px;
    margin-right: 60px;
  }
}
@media screen and (max-width: 440px) {
  #conference-timeline .timeline-article .content-left,
  #conference-timeline .timeline-article .content-right {
    padding: 30px 30px;
    margin-right: 38px;
  }
}
@media screen and (max-width: 390px) {
  #conference-timeline .timeline-article .content-left,
  #conference-timeline .timeline-article .content-right {
    margin-right: 20px;
  }
}
@media screen and (max-width: 375px) {
  #conference-timeline .timeline-article .content-left,
  #conference-timeline .timeline-article .content-right {
    padding: 30px 30px 26px;
    margin-right: 20px;
  }
}
@media screen and (max-width: 991px) {
  #conference-timeline .timeline-article .content-left::after,
  #conference-timeline .timeline-article .content-right::after {
    content: "";
    position: absolute;
    left: -23px;
    top: 53px;
    border-width: 16px 24px 16px 0;
    border-right-color: #fff;
    right: auto;
  }
}
@media screen and (max-width: 991px) and (max-width: 751px) {
  #conference-timeline .timeline-article .content-left::after,
  #conference-timeline .timeline-article .content-right::after {
    top: 78px;
  }
}
@media screen and (max-width: 991px) and (max-width: 500px) {
  #conference-timeline .timeline-article .content-left::after,
  #conference-timeline .timeline-article .content-right::after {
    top: 43px;
    left: -14px;
    border-width: 10px 14px 10px 0;
  }
}
@media screen and (max-width: 991px) and (max-width: 390px) {
  #conference-timeline .timeline-article .content-left::after,
  #conference-timeline .timeline-article .content-right::after {
    top: 43px;
    left: -13px;
  }
}
@media screen and (max-width: 991px) and (max-width: 375px) {
  #conference-timeline .timeline-article .content-left::after,
  #conference-timeline .timeline-article .content-right::after {
    top: 40px;
    left: -14px;
    border-width: 11px 16px 10px 0;
  }
}

/* 吹き出しの三角（任意） */
#conference-timeline .content-left::after {
  content: "";
  position: absolute;
  top: calc(var(--dot-y) + var(--tri-v-offset));
  right: -18px;
  transform: translateY(-50%);
  border-style: solid;
  border-width: 16px 0 16px 24px; /* 上10 右0 下10 左20 */
  border-color: transparent transparent transparent #fff;
}

#conference-timeline .content-right::after {
  content: "";
  position: absolute;
  top: calc(var(--dot-y) + var(--tri-v-offset));
  left: -18px;
  border-style: solid;
  border-width: 16px 24px 16px 0;
  transform: translateY(-50%);
  border-color: transparent #fff transparent transparent;
}

/* ドット（中央列、縦位置は --dot-y で個別制御） */
#conference-timeline .timeline-article .meta-date {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  align-self: start;
  width: var(--dot-size);
  height: var(--dot-size);
  background: #3486ca;
  border-radius: 50%;
  border: solid 3px #fff;
  z-index: 1;
  top: calc(var(--shift) + var(--dot-y) - var(--dot-size) / 2);
}
@media screen and (max-width: 991px) {
  #conference-timeline .timeline-article .meta-date {
    position: absolute;
    left: 16%;
    top: 31px;
    transform: none;
    border: solid 4px #fff;
  }
}
@media screen and (max-width: 834px) {
  #conference-timeline .timeline-article .meta-date {
    left: 12.5%;
    top: 31px;
  }
}
@media screen and (max-width: 768px) {
  #conference-timeline .timeline-article .meta-date {
    left: 8%;
    top: 31px;
  }
}
@media screen and (max-width: 751px) {
  #conference-timeline .timeline-article .meta-date {
    left: 6%;
    top: 52px;
    border: solid 6px #fff;
  }
}
@media screen and (max-width: 721px) {
  #conference-timeline .timeline-article .meta-date {
    left: 5.5%;
    top: 52px;
    border: solid 6px #fff;
  }
}
@media screen and (max-width: 689px) {
  #conference-timeline .timeline-article .meta-date {
    top: 54px;
  }
}
@media screen and (max-width: 617px) {
  #conference-timeline .timeline-article .meta-date {
    left: 6%;
    top: 58px;
    border: solid 4px #fff;
  }
}
@media screen and (max-width: 500px) {
  #conference-timeline .timeline-article .meta-date {
    left: 11%;
    top: 29px;
    border: solid 3px #fff;
  }
}
@media screen and (max-width: 440px) {
  #conference-timeline .timeline-article .meta-date {
    left: 9%;
    top: 29px;
    border: solid 3px #fff;
  }
}
@media screen and (max-width: 390px) {
  #conference-timeline .timeline-article .meta-date {
    left: 6.5%;
    top: 26px;
    border: solid 3px #fff;
  }
}
@media screen and (max-width: 375px) {
  #conference-timeline .timeline-article .meta-date {
    left: 5.5%;
    top: 26px;
    border: solid 3px #fff;
  }
}

/* 画像等の細かい見た目（任意） */
.history-date-nom {
  height: 30px;
  width: auto;
  -o-object-fit: contain;
     object-fit: contain;
  margin-bottom: 21px;
}
@media screen and (max-width: 768px) {
  .history-date-nom {
    height: 6.1197916667vw;
    margin-bottom: 2.6041666667vw;
    margin-bottom: 20px;
  }
}
@media screen and (max-width: 440px) {
  .history-date-nom {
    height: 27px;
    margin-bottom: 15px;
  }
}
@media screen and (max-width: 375px) {
  .history-date-nom {
    height: 23px;
    margin-bottom: 14px;
  }
}

#conference-timeline .history-pht img {
  max-width: 100%;
  height: auto;
  display: block;
}

#conference-timeline .history-date-nom img {
  display: block;
  height: 100%;
}

#conference-timeline .history-link a {
  font-weight: 600;
  text-decoration-line: underline;
}

.conference-timeline-content a {
  color: #23b4f1;
}

.conference-timeline-content p.conference-ttl {
  font-size: 19px;
  margin-bottom: 16px;
  letter-spacing: -0.04em;
}
@media screen and (max-width: 768px) {
  .conference-timeline-content p.conference-ttl {
    font-size: 4.0364583333vw;
    margin-bottom: 28px;
    line-height: 1.3;
  }
}
@media screen and (max-width: 440px) {
  .conference-timeline-content p.conference-ttl {
    font-size: 18px;
    margin-bottom: 15px;
  }
}
@media screen and (max-width: 375px) {
  .conference-timeline-content p.conference-ttl {
    font-size: 17px;
    margin-bottom: 10px;
    line-height: 1.3;
    letter-spacing: 0;
  }
}

@media screen and (max-width: 375px) {
  .conference-timeline-content p.ttl-2005-10 {
    letter-spacing: -0.07em;
  }
}

.timeline-article p.timeline-annotation {
  font-size: 12px;
  margin-bottom: 20px;
}
@media screen and (max-width: 768px) {
  .timeline-article p.timeline-annotation {
    font-size: 12px;
  }
}
@media screen and (max-width: 619px) {
  .timeline-article p.timeline-annotation {
    font-size: 14px;
  }
}
@media screen and (max-width: 500px) {
  .timeline-article p.timeline-annotation {
    font-size: 11px;
    line-height: 1.5;
    margin-bottom: 15px;
    letter-spacing: -0.5;
  }
}
@media screen and (max-width: 440px) {
  .timeline-article p.timeline-annotation {
    margin-bottom: 15px;
  }
}
@media screen and (max-width: 375px) {
  .timeline-article p.timeline-annotation {
    margin-bottom: 15px;
  }
}

.timeline-article p.timeline-txt {
  margin-bottom: 20px;
}
@media screen and (max-width: 768px) {
  .timeline-article p.timeline-txt {
    margin-bottom: 30px;
  }
}
@media screen and (max-width: 500px) {
  .timeline-article p.timeline-txt {
    margin-bottom: 15px;
  }
}
@media screen and (max-width: 440px) {
  .timeline-article p.timeline-txt {
    margin-bottom: 15px;
  }
}
@media screen and (max-width: 375px) {
  .timeline-article p.timeline-txt {
    margin-bottom: 6px;
  }
}

@media screen and (max-width: 375px) {
  .timeline-article p.txt-2005-10 {
    letter-spacing: -0.07em;
  }
}

.timeline-article p.txt-2006-5 {
  letter-spacing: -0.04em;
}

@media screen and (max-width: 375px) {
  .timeline-article p.txt-2008-3 {
    letter-spacing: -0.03em;
  }
}

@media screen and (max-width: 375px) {
  .timeline-article p.txt-2017-9 {
    letter-spacing: -0.04em;
  }
}

@media screen and (max-width: 375px) {
  .timeline-article p.txt-2018-6 {
    letter-spacing: -0.03em;
  }
}

.ctr-line {
  border-bottom: solid 2px #3486ca;
  margin-block: 35px;
}
@media screen and (max-width: 751px) {
  .ctr-line {
    margin-block: 60px;
  }
}
@media screen and (max-width: 500px) {
  .ctr-line {
    border-bottom: solid 1px #3486ca;
    margin-block: 30px;
  }
}
@media screen and (max-width: 440px) {
  .ctr-line {
    border-bottom: solid 1px #3486ca;
    margin-block: 30px;
  }
}
@media screen and (max-width: 375px) {
  .ctr-line {
    border-bottom: solid 1px #3486ca;
    margin-block: 30px;
  }
}

.history-pht {
  max-width: 150px;
  margin: 0 auto;
}
@media screen and (max-width: 751px) {
  .history-pht {
    max-width: 39.9467376831vw;
  }
}
@media screen and (max-width: 440px) {
  .history-pht {
    max-width: 150px;
  }
}
@media screen and (max-width: 375px) {
  .history-pht {
    max-width: 130px;
    margin-top: 14px;
    margin-bottom: 4px;
  }
}
.history-pht img {
  width: 100%;
}

.history-pht02 {
  max-width: 456px;
  margin: 0 auto;
}
@media screen and (max-width: 375px) {
  .history-pht02 {
    margin: 10px auto 0;
  }
}
.history-pht02 img {
  width: 100%;
}

.history-pht03 {
  max-width: 456px;
  margin: 0 auto;
}
@media screen and (max-width: 375px) {
  .history-pht03 {
    margin: 10px auto 2px;
  }
}
.history-pht03 img {
  width: 100%;
}

/*===== // Resonsive Vertical Timeline =====*/
.ss20th-section04 .ss20th-section04-bg {
  background-color: #ade7ff;
  margin-top: 54px;
  padding-block: 120px;
}
@media screen and (max-width: 768px) {
  .ss20th-section04 .ss20th-section04-bg {
    padding-inline: 50px;
    margin-top: 30px;
    padding-block: 70px;
  }
}
@media screen and (max-width: 440px) {
  .ss20th-section04 .ss20th-section04-bg {
    padding-inline: 23px;
    margin-top: 21px;
    padding-block: 70px;
  }
}
@media screen and (max-width: 375px) {
  .ss20th-section04 .ss20th-section04-bg {
    padding-inline: 23px;
    margin-top: 21px;
    padding-block: 70px;
  }
}
.ss20th-section04 .ss20th-section04-inline {
  max-width: 800px;
  width: 100%;
  margin: 0 auto;
  color: #4457a3;
  font-weight: 500;
}
@media screen and (max-width: 991px) {
  .ss20th-section04 .ss20th-section04-inline {
    max-width: 80.7265388496vw;
  }
}
@media screen and (max-width: 834px) {
  .ss20th-section04 .ss20th-section04-inline {
    max-width: 700px;
  }
}
@media screen and (max-width: 751px) {
  .ss20th-section04 .ss20th-section04-inline {
    max-width: 86.55126498vw;
  }
}
@media screen and (max-width: 375px) {
  .ss20th-section04 .ss20th-section04-inline {
    max-width: 328px;
  }
}
.ss20th-section04 .chart-ttl {
  text-align: center;
  font-size: 27px;
  margin-bottom: 40px;
}
@media screen and (max-width: 991px) {
  .ss20th-section04 .chart-ttl {
    font-size: 27px;
    font-size: 2.7245206862vw;
    margin-bottom: 20px;
  }
}
@media screen and (max-width: 768px) {
  .ss20th-section04 .chart-ttl {
    font-size: 3.7760416667vw;
    margin-bottom: 13px;
  }
}
@media screen and (max-width: 440px) {
  .ss20th-section04 .chart-ttl {
    font-size: 16px;
    margin-bottom: 13px;
  }
}
@media screen and (max-width: 375px) {
  .ss20th-section04 .chart-ttl {
    font-size: 16px;
    margin-bottom: 13px;
  }
}
.ss20th-section04 .chart-list-ttl {
  font-size: 22px;
  margin-bottom: 20px;
  white-space: nowrap;
}
@media screen and (max-width: 991px) {
  .ss20th-section04 .chart-list-ttl {
    font-size: 1.9172552977vw;
    margin-bottom: 6px;
  }
}
@media screen and (max-width: 768px) {
  .ss20th-section04 .chart-list-ttl {
    font-size: 2.6041666667vw;
    margin-bottom: 6px;
    white-space: wrap;
  }
}
@media screen and (max-width: 500px) {
  .ss20th-section04 .chart-list-ttl {
    font-size: 3.4vw;
  }
}
@media screen and (max-width: 390px) {
  .ss20th-section04 .chart-list-ttl {
    font-size: 14px;
    margin-bottom: 7px;
  }
}
@media screen and (max-width: 375px) {
  .ss20th-section04 .chart-list-ttl {
    font-size: 14px;
    margin-bottom: 10px;
  }
}
.ss20th-section04 .chart-list-txt {
  margin-bottom: 20px;
  line-height: 1.75;
}
@media screen and (max-width: 991px) {
  .ss20th-section04 .chart-list-txt {
    font-size: 13px;
    line-height: 1.6;
    letter-spacing: -0.02em;
  }
}
@media screen and (max-width: 768px) {
  .ss20th-section04 .chart-list-txt {
    font-size: 2.0833333333vw;
    line-height: 1.6;
    letter-spacing: -0.02em;
  }
}
@media screen and (max-width: 440px) {
  .ss20th-section04 .chart-list-txt {
    font-size: 13px;
    line-height: 1.6;
    letter-spacing: -0.02em;
  }
}
@media screen and (max-width: 375px) {
  .ss20th-section04 .chart-list-txt {
    font-size: 13px;
    line-height: 1.6;
  }
}
.ss20th-section04 .chart01,
.ss20th-section04 .chart02 {
  margin-bottom: 120px;
}
@media screen and (max-width: 440px) {
  .ss20th-section04 .chart01,
  .ss20th-section04 .chart02 {
    margin-bottom: 73px;
  }
}

.ss20th-section05-bg {
  padding-inline: 50px;
}
@media screen and (max-width: 440px) {
  .ss20th-section05-bg {
    padding-inline: 23px;
  }
}

#ss20th .ss20th-photo-slider {
  max-width: 776px;
  margin: 40px auto;
  padding: 0 15px;
}
@media screen and (max-width: 440px) {
  #ss20th .ss20th-photo-slider {
    padding: 0;
    margin: 40px auto 0;
  }
}
@media screen and (max-width: 390px) {
  #ss20th .ss20th-photo-slider {
    padding: 0;
    margin: 20px auto 0;
  }
}
#ss20th .ss20th-photo-slider .splide__slide img {
  max-width: 600px;
  width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

.ss20th-activities-txt {
  max-width: 602px;
  margin: 0 auto;
  color: #4457a3;
  font-weight: 500;
}
@media screen and (max-width: 750px) {
  .ss20th-activities-txt {
    font-size: 3.2vw;
  }
}
@media screen and (max-width: 440px) {
  .ss20th-activities-txt {
    font-size: 12px;
  }
}
@media screen and (max-width: 375px) {
  .ss20th-activities-txt {
    font-size: 12px;
  }
}

#photo-carousel {
  overflow-x: clip;
}
#photo-carousel .splide__arrow {
  width: 4em;
}
#photo-carousel .splide__arrow {
  display: none;
}
#photo-carousel .splide__arrow svg {
  display: none;
}
#photo-carousel .splide__arrow--prev::before {
  content: "";
  display: block;
  width: 28px;
  height: 28px;
  border-left: 5px solid #06b4ff;
  border-bottom: 5px solid #06b4ff;
  transform: rotate(45deg);
  margin: auto;
}
@media screen and (max-width: 630px) {
  #photo-carousel .splide__arrow--prev::before {
    width: 30px;
    height: 30px;
  }
}
@media screen and (max-width: 440px) {
  #photo-carousel .splide__arrow--prev::before {
    width: 22px;
    height: 22px;
  }
}
@media screen and (max-width: 390px) {
  #photo-carousel .splide__arrow--prev::before {
    width: 15px;
    height: 15px;
  }
}
#photo-carousel .splide__arrow--next::before {
  content: "";
  display: block;
  width: 28px;
  height: 28px;
  border-right: 5px solid #06b4ff;
  border-top: 5px solid #06b4ff;
  transform: rotate(45deg);
  margin: auto;
}
@media screen and (max-width: 630px) {
  #photo-carousel .splide__arrow--next::before {
    width: 30px;
    height: 30px;
  }
}
@media screen and (max-width: 440px) {
  #photo-carousel .splide__arrow--next::before {
    width: 22px;
    height: 22px;
  }
}
@media screen and (max-width: 390px) {
  #photo-carousel .splide__arrow--next::before {
    width: 15px;
    height: 15px;
  }
}
@media screen and (max-width: 630px) {
  #photo-carousel .splide__arrow--next {
    right: 0.5em;
  }
}
@media screen and (max-width: 440px) {
  #photo-carousel .splide__arrow--next {
    right: -0.05em;
  }
}
@media screen and (max-width: 390px) {
  #photo-carousel .splide__arrow--next {
    right: 0em;
  }
}
@media screen and (max-width: 630px) {
  #photo-carousel .splide__arrow--prev {
    left: 0.5em;
  }
}
@media screen and (max-width: 440px) {
  #photo-carousel .splide__arrow--prev {
    left: -0.05em;
  }
}
@media screen and (max-width: 390px) {
  #photo-carousel .splide__arrow--prev {
    left: 0em;
  }
}

.ss20th-section06-bg {
  margin-bottom: 60px;
}
@media screen and (max-width: 991px) {
  .ss20th-section06-bg {
    margin-bottom: 30px;
  }
}

.ss20th-message-role02 {
  font-size: 14px;
  line-height: 1.35;
  text-align: start;
  letter-spacing: 0.2em;
}
@media screen and (max-width: 768px) {
  .ss20th-message-role02 {
    font-size: 20px;
  }
}
@media screen and (max-width: 500px) {
  .ss20th-message-role02 {
    font-size: 15px;
  }
}
@media screen and (max-width: 440px) {
  .ss20th-message-role02 {
    font-size: 12px;
  }
}
@media screen and (max-width: 414px) {
  .ss20th-message-role02 {
    font-size: 11px;
  }
}
@media screen and (max-width: 375px) {
  .ss20th-message-role02 {
    font-size: 12px;
  }
}

.ss20th-logo-area {
  text-align: center;
  margin-bottom: 30px;
}
@media screen and (max-width: 440px) {
  .ss20th-logo-area img {
    width: 200px;
  }
}

/* ---- footer ------- */
#ss20th-footWrap {
  clear: both;
  background-image: url(../../images/bg_foot02.gif);
  background-repeat: repeat-x;
  background-position: left top;
  height: 145px;
}
#ss20th-footWrap #footCtt {
  width: 1000px;
  margin: 0 auto;
}
@media screen and (max-width: 991px) {
  #ss20th-footWrap #footCtt {
    width: 100%;
  }
}
#ss20th-footWrap #footCtt p.pagetop {
  text-align: right;
}
@media (max-width: 991px) {
  #ss20th-footWrap #footCtt p.pagetop {
    display: none;
  }
}
#ss20th-footWrap #footCtt address {
  text-align: center;
  color: #fff;
  font-size: 11px;
}
@media (max-width: 991px) {
  #ss20th-footWrap #footCtt address {
    background-color: #23b4f1;
    padding-top: 30px;
    padding-bottom: 30px;
  }
}
#ss20th-footWrap #footCtt ul {
  margin: 10px 0 30px 0;
  zoom: 1;
  clear: both;
  display: flex;
}
@media (max-width: 991px) {
  #ss20th-footWrap #footCtt ul {
    border-top: 2px solid #ccc;
  }
}
#ss20th-footWrap #footCtt ul li {
  margin-right: 18px;
  padding-left: 15px;
  position: relative;
  margin: 0 auto;
  font-weight: 500;
  color: #23b4f1;
}
#ss20th-footWrap #footCtt ul li a {
  color: #23b4f1;
}
#ss20th-footWrap #footCtt ul li a:visited, #ss20th-footWrap #footCtt ul li a:active {
  color: #23b4f1;
}
#ss20th-footWrap #footCtt ul li a:hover {
  color: #23b4f1;
  text-decoration: none;
}

@media screen and (max-width: 991px) {
  #ss20th-footWrap {
    height: auto;
  }
  #ss20th-footWrap #footCtt {
    width: 100%;
  }
  #ss20th-footWrap #footCtt ul {
    display: block;
    margin: 20px 0 0 0;
    padding-left: 0;
  }
  #ss20th-footWrap #footCtt ul li {
    float: none;
    background: #fff;
    border-bottom: 1px solid #ccc;
    margin-right: 0;
    padding: 13px 0 13px 30px;
  }
  #ss20th-footWrap #footCtt ul li a {
    display: block;
    color: #23b4f1;
    text-decoration: none;
  }
  #ss20th-footWrap #footCtt ul li a::before {
    top: 20px;
    left: 10px;
    width: 11px;
    height: 11px;
  }
  #ss20th-footWrap #footCtt ul li a:hover {
    color: #23b4f1;
    opacity: 0.7;
  }
  #ss20th-footWrap #footCtt ul li a:visited {
    color: #23b4f1;
  }
}
/* ページ全体のオフセット量（カスタムプロパティ） */
#ss20th {
  --anchor-offset: 120px;
}

@media screen and (max-width: 991px) {
  #ss20th {
    --anchor-offset: 72px;
  }
}
/* アンカーの見た目安定用（任意） */
#ss20th .page-anchor {
  display: block; /* spanでもブロック化しておくと安定 */
}

/* クリックで #id がターゲットになった時だけ、前に透明スペースを“出す” */
#pagetop-sp {
  z-index: 5;
  left: auto;
  bottom: 30px;
  right: 10px;
}

#ss20th br.visible-sp02 {
  display: none;
}
@media screen and (max-width: 768px) {
  #ss20th br.visible-sp02 {
    display: inline;
  }
}

#ss20th br.visible-sp03 {
  display: none;
}
@media screen and (max-width: 445px) {
  #ss20th br.visible-sp03 {
    display: inline;
  }
}

/* FirefoxでSVGが極小化するのを防ぐ（PCボタン） */
/* ==== 印刷時の出し分け 最優先・CSSの最後に ==== */
/* ===== 印刷用：スマホ専用UIを非表示（CSSの末尾に） ===== *//*# sourceMappingURL=ss20th.css.map */