/* アニメーション設定 */
@keyframes fadeIn {
  to {
    filter: blur(0);
    opacity: 1;
  }
}

@keyframes opacity {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes move-LR_20em {
  from {
    transform: translateX(-20em);
  }

  to {
    transform: translateX(0);
  }
}

@keyframes move-RL_20em {
  from {
    transform: translateX(20em);
  }

  to {
    transform: translateX(0);
  }
}

/* アニメーション設定 ここまで */
.mv {
  align-items: center;
  background: #f3f3f3 url(../img/mv_challenge_pc.png) no-repeat center top / cover;
  display: flex;
  justify-content: center;
  min-height: 580px;
  position: relative;
  width: 100%;
}

.mv-content {
  animation: opacity 3s ease-in-out forwards;
  margin: 0 auto;
  opacity: 0;
  position: relative;
  text-shadow:
    0 -2px 2px #f3f3f3,
    2px -2px 2px #f3f3f3,
    2px 0 2px #f3f3f3,
    2px 2px 2px #f3f3f3,
    0 2px 2px #f3f3f3,
    -2px 2px 2px #f3f3f3,
    -2px 0 2px #f3f3f3,
    -2px -2px 2px #f3f3f3,
    0 0 5px #f3f3f3;
  width: 1200px;
  z-index: 2;
}

.mv-ttl {
  width: 560px;
}

.mv-ttl-main {
  border-bottom: 2px solid #383838;
  display: block;
  font-size: 4rem;
  font-weight: 700;
  padding: 0 2rem;
  position: relative;
}

.mv-ttl-main::after {
  border-bottom: 2px solid #f3f3f3;
  bottom: 0;
  box-shadow: 0 0 5px 4px #f3f3f3;
  content: "";
  display: block;
  left: 0;
  position: absolute;
  width: 100%;
  z-index: -1;
}

.mv-ttl-sub {
  display: block;
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 2.5;
  margin-left: 2rem;
}

.mv-txt {
  font-size: 1.6rem;
  font-weight: 500;
  line-height: 2.1875;
  margin: 2rem auto 0 2rem;
  width: 560px;
}

.scrollContent-container {
  overflow: hidden;
}

.mv-slider.scrollContent-container {
  animation: opacity 2s forwards 1s ease-in;

  margin: 0 0 0 auto;
  opacity: 0;
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 56.5%;
}

.mv-slider.scrollContent-container::after {
  background: linear-gradient(90deg, #f3f3f3 10%, transparent 100%);
  content: "";
  display: block;
  height: 100%;
  left: 0;
  position: absolute;
  top: 0;
  width: 4rem;
  z-index: 2;
}

.scrollContent-track {
  display: flex;
  white-space: nowrap;
  width: max-content;
  will-change: transform;
}

.scrollContent {
  user-select: none;
}

.mv-slider .scrollContent {
  display: flex;
}

.mv-slider .scrollContent-item {
  margin-right: 1rem;
}

.scrollContent-item-img {
  user-select: none;
}


.challenge.section-ctr {
  overflow: hidden;
  position: relative;
}

.challenge-1 {
  background: url(../img/bg_challenge-1_pc.png) no-repeat center top / 1920px auto;
  padding: 5.5rem 0 10rem;
}

.challenge-2 {
  background: url(../img/bg_challenge-2_pc.png) no-repeat center top / 1920px auto;
  padding: 7rem 0 18rem;
}

.challenge.section-ctr::before {
  background: linear-gradient(#173892, #fff);
  clip-path: polygon(0 0, 100% 0, calc(100% - 358px) 100%, 0 100%);
  content: "";
  display: block;
  height: 1135px;
  left: clamp(-360px, calc(50vw - 960px), 0px);
  position: absolute;
  top: 0;
  width: 598px;
}

.challenge.section-ctr::after {
  background: linear-gradient(#fff, #0ca692 83%);
  bottom: 0;
  clip-path: polygon(260px 0, 100% 0, 100% 100%, 0 100%);
  content: "";
  display: block;
  height: 823px;
  position: absolute;
  right: clamp(-360px, calc(50vw - 960px), 0px);
  width: 501px;
}

.challenge-wrapper {
  margin: 0 auto;
  position: relative;
  width: 1200px;
  z-index: 2;
}

.challenge-hdr {
  color: #fff;
  font-family: "Noto Serif JP", serif;
  margin-left: 2rem;
  text-shadow: 2px 2px 5px rgba(0, 0, 0, .7);
}

.challenge-hdr-ttl {
  font-size: 4.5rem;
  font-weight: 700;
  line-height: 1.22;
}

.challenge-hdr-catch {
  font-size: 3.5rem;
  font-weight: 700;
}

.challenge-top.challenge-article-wrapepr {
  margin: 11rem auto 9rem;
}

.challenge-bottom.challenge-article-wrapepr {
  display: grid;
  grid-column-gap: 35px;
  grid-template-columns: repeat(2, 520px);
  justify-content: center;
  margin-top: 3rem;
  row-gap: 45px;
}

.challenge-2-2.challenge-article-wrapepr {
  margin-bottom: 7rem;
  margin-top: 9rem;
}

.challenge-2-3.challenge-article-wrapepr {
  display: block;
  margin-top: 3rem;
}

.challenge-top .challenge-article-content {
  width: 500px;
}

.challenge-bottom .challenge-article-content {
  width: 100%;
}

.challenge-article {
  align-items: flex-start;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  position: relative;
}

.challenge-top .challenge-article {
  margin-right: 1.5rem;
}

.challenge-2-3 .challenge-article {
  display: grid;
  grid-column-gap: 35px;
  grid-template-columns: repeat(2, 520px);
  justify-content: center;
  margin-top: 3rem;
  row-gap: 45px;
}

.challenge-article::after {
  background: center top / 100% auto;
  content: "";
  display: block;
  z-index: -1;
}

.challenge-top .challenge-article::after {
  box-shadow: 1.3rem 1.3rem 0 0 rgba(23, 56, 146, .3);
  height: 303px;
  margin-top: 4rem;
  position: relative;
  width: 500px;
}

.challenge-1-1-1.challenge-article::after {
  background-image: url(../img/img_challenge-1-1-1_pc.jpg);
}

.challenge-1-1-2.challenge-article::after {
  background-image: url(../img/img_challenge-1-1-2_pc.jpg);
}

.challenge-2-1-1.challenge-article::after {
  background-image: url(../img/img_challenge-2-1-1_pc.jpg);
}

.challenge-bottom .challenge-article::after {
  height: 135px;
  position: absolute;
  right: 0;
  top: 0;
  width: 202px;
}

.challenge-1-2-1.challenge-article::after {
  background-image: url(../img/img_challenge-1-2-1_pc.jpg);
}

.challenge-1-2-2.challenge-article::after {
  background-image: url(../img/img_challenge-1-2-2_pc.jpg);
}

.challenge-1-2-3.challenge-article::after {
  background-image: url(../img/img_challenge-1-2-3_pc.jpg);
}

.challenge-1-2-4.challenge-article::after {
  background-image: url(../img/img_challenge-1-2-4_pc.jpg);
}

.challenge-2-2-1.challenge-article::after {
  background-image: url(../img/img_challenge-2-2-1_pc.jpg);
  height: 129px;
  width: 228px;
}

.challenge-2-2-2.challenge-article::after {
  background-image: url(../img/img_challenge-2-2-2_pc.jpg);
  height: 174px;
  width: 222px;
}

.challenge-article.challenge-1-1-2 {
  margin-top: 6.5rem;
}

.challenge-article-content-ttl {
  align-items: center;
  background: linear-gradient(-30deg, #0ca692 25%, #173892 75%);
  box-shadow: 1rem 1.2rem 0 0 rgba(0, 0, 0, .7);
  color: #fff;
  display: flex;
  font-size: 2.5rem;
  font-weight: 700;
  justify-content: center;
  line-height: 1.2;
  min-height: 80px;
  text-align: center;
  transform: skewX(-18deg);
  transform-origin: 0 100%;
}

.challenge-top .challenge-article-content-ttl {
  margin: 0 0 0 auto;
  width: 400px;
}

.challenge-bottom .challenge-article-content-ttl {
  margin: 0 auto 0 0;
  width: 334px;
}

.challenge-bottom .challenge-2-3-1 .challenge-article-content-ttl {
  margin: 0 auto 0 0;
  width: 425px;
}


.challenge-article-content-ttl-num {
  display: block;
  font-family: "Libertinus Sans", sans-serif;
  font-size: 7rem;
  font-weight: 400;
  line-height: 1;
  margin: 0;
  padding-left: .25em;
  transform: skewX(12deg);
  width: fit-content;
}

.challenge-article-content-ttl-inner {
  display: block;
  margin: 0 auto;
  transform: translateX(-2rem) skewX(18deg);
  width: 100%;
}

.challenge-1-2-4 .challenge-article-content-ttl-inner {
  letter-spacing: .4em;
}

.challenge-1-1-1 .challenge-article-content-ttl-inner,
.challenge-1-2-1 .challenge-article-content-ttl-inner {
  letter-spacing: -.03em;
  margin: 0;
  padding: 0 2.5rem;
}

.challenge-1-1-1 .challenge-article-content-ttl-inner {
  padding: 0 2.5rem 0 4.2rem;
}

.challenge-1-1-2 .challenge-article-content-ttl-inner {
  letter-spacing: .1em;
}

.challenge-1-2-1 .challenge-article-content-ttl-inner {
  letter-spacing: -.02em;
  padding: 0 1rem 0 3.5rem;
}

.challenge-1-2-2 .challenge-article-content-ttl-inner {
  padding: 0 1rem 0 3rem;
}

.challenge-1-2-3 .challenge-article-content-ttl-inner {
  letter-spacing: .07em;
  padding: 0 2rem 0 .5rem;
}

.challenge-2-2-1 .challenge-article-content-ttl-inner {
  letter-spacing: .05em;
  margin: 0;
  padding: 0 3rem;
}

.challenge-2-2-2 .challenge-article-content-ttl-inner {
  letter-spacing: -.05em;
  padding: 0 0 0 2.5rem;
}

.challenge-2-3-1 .challenge-article-content-ttl-inner {
  padding: 0 0 0 2.5rem;
}

.challenge-article-content-ttl-inner .left {
  display: block;
  text-align: left;
}

.challenge-article-content-ttl-inner .right {
  display: block;
  text-align: right;
}

.challenge-article-content-catch {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.5;
  margin-top: 5rem;
}

.challenge-top .challenge-article-content-catch {
  padding-right: .5rem;
  text-align: center;
}

.challenge-bottom .challenge-article-content-catch {
  margin-top: 3rem;
}

.challenge-2-2-1 .challenge-article-content-catch {
  letter-spacing: -.05em;
}

.challenge-article-content-txt {
  font-size: 1.6rem;
  letter-spacing: -.02em;
  line-height: 1.875;
  margin-top: .8rem;
  text-shadow:
    0 -2px 2px #fff,
    2px -2px 2px #fff,
    2px 0 2px #fff,
    2px 2px 2px #fff,
    0 2px 2px #fff,
    -2px 2px 2px #fff,
    -2px 0 2px #fff,
    -2px -2px 2px #fff,
    0 0 5px #fff;
}

.challenge-top .challenge-article-content-txt {
  padding-right: .5rem;
}

.challenge-bottom .challenge-article-content-txt {
  line-height: 1.5;
}

.challenge-2-2 .challenge-article-content-txt {
  margin-top: 1.2rem;
}

.challenge-article-item-ttl {
  color: #009380;
  font-size: 1.8rem;
  font-weight: 500;
  margin-top: 2rem;
}

.challenge-article-item-txt {
  font-size: 1.6rem;
  letter-spacing: -.02em;
  line-height: 1.5;
}

.challenge-article-img {
  box-shadow: 1.3rem 1.3rem 0 0 rgba(23, 56, 146, .3);
  margin-top: 4rem;
}

.challenge-subttl {
  color: #173892;
  font-family: "Noto Serif JP", serif;
  font-size: 4.5rem;
  font-weight: 700;
  line-height: 1.22;
  margin-left: 2rem;
}

.committee-ttl {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.5;
  margin-top: .5rem;
}

.challenge-article-content-catch {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.5;
  margin-top: 5rem;
}

.committee-list-item:not(:first-of-type) {
  margin-top: 2rem;
}

.committee-list-item-name {
  font-size: 1.6rem;
  font-weight: 700;
}

.committee-list {
  margin-top: .8rem;
}

.committee-list-item-name {
  line-height: 1.25;
}

.post-list-item {
  font-size: 1.6rem;
  line-height: 1.25;
}



/* TOWARD OVERSEAS */

.overseas.section-ctr {
  position: relative;
}

.overseas::before {
  background: url(../img/bg_challenge_overseas_pc.png) no-repeat left top / clamp(1355px, 112.94%, 1920px) auto;
  content: "";
  display: block;
  height: 913px;
  max-width: 100%;
  min-width: 1200px;
  position: absolute;
  top: clamp(70px, calc(-10vw + 240px), 120px);
  transform: translate(0, 0);
  width: 100%;
}

.overseas-hdr {
  /* background: url(../img/bg_challenge_overseas_pc.png) no-repeat center bottom -35px / 100% auto;*/
  height: 47.06vw;
  margin: 0 auto;
  max-height: 800px;
  min-height: 650px;
  position: relative;
  width: 1200px;
}

.overseas-hdr-ttl {
  margin-left: 2rem;
  position: relative;
  width: fit-content;
}

.overseas-hdr-ttl::before {
  background: url(../img/img_challenge_overseas_decoration_pc.png) no-repeat center / contain;
  content: "";
  display: block;
  height: 241px;
  left: -43px;
  position: absolute;
  top: -80px;
  width: 282px;
}

.overseas-hdr-ttl-main {
  background: linear-gradient(120deg, #366bc2 44%, #0ca692 56%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: block;
  font-size: 5rem;
  font-weight: 700;
  line-height: 1;
  position: relative;
}

.overseas-hdr-ttl-sub {
  display: block;
  font-family: "Noto Serif JP", serif;
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.5;
  text-align: right;
  position: relative;
}

.overseas-hdr-catch {
  font-size: 3rem;
  font-weight: 500;
  line-height: 1.33;
  margin: 4.5rem 0 0 5rem;
}

/* 年表（tl）部分 */
.overseas-tl {
  backdrop-filter: blur(2px);
  background-color: rgba(255, 255, 255, .5);
  margin: 0 auto;
  padding-top: 2rem;
  position: relative;
  width: 1100px;
}

.overseas-tl::before {
  background: linear-gradient(#34b498, #3399aa 32%, #3b6eaf 68%, #1954a4 85%, #0e57a7);
  content: "";
  display: block;
  height: calc(100% + 35px);
  left: 0;
  position: absolute;
  top: -35px;
  width: 95px;
}

.overseas-tl-wrapper {
  display: grid;
  grid-column-gap: 1rem;
  grid-template-columns: 95px 1fr;
  min-height: 155px;
  position: relative;
  z-index: 1;
}

.overseas-tl-year {
  color: #fff;
  font-family: Oswald, serif;
  font-size: 3rem;
  font-weight: 200;
  line-height: 1;
  text-align: center;
}

.overseas-tl-dtl {
  display: grid;
  grid-column-gap: 2rem;
  grid-template-columns: 1fr 150px;
}

.overseas-tl-dtl-ttl {
  color: #1057a7;
  font-size: 2rem;
  font-weight: 500;
  line-height: 1.2;
}

.overseas-tl-dtl-ttl-sub {
  display: block;
  font-size: 1.3rem;
}

.overseas-tl-dtl-txt {
  font-size: 1.4rem;
  letter-spacing: -.01em;
  line-height: 1.285;
  margin-top: 1.5rem;
}

.overseas-tl-dtl-annotation {
  font-size: 1.1rem;
  margin-top: 1.2rem;
}

/*
.target-element {
  transition: transform .1s linear;
}
*/