@import url("https://fonts.googleapis.com/css2?family=Alatsi&display=swap");
main {
  width: 100%;
}

main ul, main ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

main h2 {
  width: 100%;
  height: 15.625vw;
  position: relative;
  background: url(../img/activities/title.jpg) center top/cover no-repeat;
}

main h2 span {
  display: block;
  width: 100%;
  position: absolute;
  top: 5.20833vw;
  font-family: 'Noto Sans JP',sans-serif;
  font-weight: 700;
  font-size: 2.60417vw;
  line-height: 1;
  text-align: center;
  color: white;
}

main h2 span span {
  top: 4.42708vw;
  font-size: 1.5625vw;
  line-height: 1;
}

main h3 {
  width: 62.5vw;
  margin: 4.0625vw auto 0;
  font-family: 'Noto Sans JP',sans-serif;
  font-weight: 700;
  font-size: 1.875vw;
  line-height: 1;
  text-align: center;
  color: black;
}

main p.lead {
  margin: 2.76042vw auto 0;
  font-family: 'Noto Sans JP',sans-serif;
  font-weight: 400;
  font-size: 1.14583vw;
  line-height: 2;
  text-align: center;
  color: black;
}

main p.align_center {
  text-align: center;
}

@media (max-width: 767px) {
  main h2 {
    width: 100%;
    height: 40vw;
    background: url(../img/activities/sp_title.jpg) center top/cover no-repeat;
  }
  main h2 span {
    top: 13.33333vw;
    font-size: 6.93333vw;
    line-height: 1;
  }
  main h2 span span {
    top: 11.06667vw;
    font-size: 4vw;
    line-height: 1;
  }
  main h3 {
    width: 84vw;
    margin: 10.93333vw auto 0;
    font-size: 5.6vw;
    line-height: 1;
  }
  main p.lead {
    width: 84vw;
    margin: 8vw auto 0;
    font-size: 3.73333vw;
    line-height: 1.78571;
    text-align: left;
  }
  main p.lead .pc {
    display: none;
  }
}

main section, main #pagebtn {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
}

main section *, main section *::before, main section *::after, main #pagebtn *, main #pagebtn *::before, main #pagebtn *::after {
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}

main section img, main #pagebtn img {
  width: 100%;
  height: auto;
  vertical-align: top;
}

main section a, main section a:hover, main #pagebtn a, main #pagebtn a:hover {
  color: #000;
  text-decoration: none;
}

main section dl, main section dt, main section dd, main section figure, main #pagebtn dl, main #pagebtn dt, main #pagebtn dd, main #pagebtn figure {
  margin: 0;
  padding: 0;
}

@media (min-width: 768px) {
  main section .sp, main #pagebtn .sp {
    display: none;
  }
  main section p, main section ul, main section dl, main #pagebtn p, main #pagebtn ul, main #pagebtn dl {
    font-size: 0.9375vw;
    line-height: 2;
  }
}

@media (max-width: 767px) {
  main section .pc, main #pagebtn .pc {
    display: none;
  }
  main section p, main section ul, main section dl, main #pagebtn p, main #pagebtn ul, main #pagebtn dl {
    font-size: 2.93333vw;
    line-height: 1.81818;
  }
}

main #pagebtn {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  margin: 5.72917vw auto 0;
}

@media screen and (max-width: 767px) {
  main #pagebtn {
    width: 72.53333vw;
    margin: 10.66667vw auto 0;
  }
}

main #pagebtn a {
  display: block;
  position: relative;
  width: 19.79167vw;
  margin: 0 3.125vw;
  font-size: 1.45833vw;
  line-height: 1;
}

@media screen and (max-width: 767px) {
  main #pagebtn a {
    width: 100%;
    margin: 9.06667vw 0 0;
    font-size: 4.26667vw;
  }
}

main #pagebtn a::after {
  content: "";
  display: block;
  width: 1.51042vw;
  height: 1.45833vw;
  position: absolute;
  bottom: 0;
  right: 0;
  background: url(../img/philosophy/arrow.png) no-repeat left top/cover;
}

@media screen and (max-width: 767px) {
  main #pagebtn a::after {
    width: 3.86667vw;
    height: 3.73333vw;
  }
}

main #pagebtn a:hover {
  opacity: 0.7;
}

main #pagebtn a img {
  margin-bottom: 1.66667vw;
}

@media screen and (max-width: 767px) {
  main #pagebtn a img {
    margin-bottom: 4.26667vw;
  }
}

#titlepage {
  margin-top: 6.25vw;
}

@media screen and (max-width: 767px) {
  #titlepage {
    margin-top: 16vw;
  }
}

#social .pagebtn {
  margin: 3.64583vw 0 0.52083vw;
  padding: 2.1875vw 0 1.14583vw;
  background: #c7f2bd;
}

@media screen and (max-width: 767px) {
  #social .pagebtn {
    margin: 9.33333vw 0 1.33333vw;
    padding: 5.6vw 0 2.93333vw;
  }
}

#social .pagebtn ul {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  width: 62.5vw;
  margin: 0 auto;
}

@media screen and (max-width: 767px) {
  #social .pagebtn ul {
    width: 90.66667vw;
  }
}

#social .pagebtn ul a {
  display: block;
  position: relative;
  width: 30.57292vw;
  margin-bottom: 1.04167vw;
  padding-left: 0.78125vw;
  font-size: 1.04167vw;
  font-weight: 500;
  line-height: 3.38542vw;
  letter-spacing: .05em;
  text-align: center;
  color: #209e44;
  border: 2px solid #209e44;
  background: url(../img/activities/arrow.png) no-repeat 27.60417vw center/1.30208vw auto #fff;
}

#social .pagebtn ul a:last-child {
  letter-spacing: -.03em;
}

#social .pagebtn ul a:hover {
  background-color: #eafce6;
}

@media screen and (max-width: 767px) {
  #social .pagebtn ul a {
    width: 90.66667vw;
    margin-bottom: 2.66667vw;
    padding-left: 2vw;
    font-size: 3.2vw;
    line-height: 10vw;
    background-position: 82vw center;
    background-size: 3.86667vw auto;
  }
}

#social .pagebtn ul a span {
  width: 3.38542vw;
  height: 3.38542vw;
  padding: 0.3125vw 0.52083vw;
  font-family: 'Alatsi', sans-serif;
  font-size: 1.25vw;
  line-height: 1;
  text-align: left;
  letter-spacing: 0.06em;
  color: #fff;
  background: #209e44;
  position: absolute;
  top: 0;
  left: 0;
}

@media screen and (max-width: 767px) {
  #social .pagebtn ul a span {
    width: 10vw;
    height: 10vw;
    padding-left: 1.33333vw;
    font-size: 3.73333vw;
    line-height: 4.66667vw;
  }
}

#social .activity {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  position: relative;
  width: 62.5vw;
  margin: 0 auto;
  padding: 3.125vw 0 3.125vw 6.77083vw;
  overflow: hidden;
  border-bottom: 2px solid #c6c6c6;
}

@media screen and (max-width: 767px) {
  #social .activity {
    width: 90.66667vw;
    padding: 7.6vw 0 8.66667vw;
  }
}

#social .activity div {
  width: 24.47917vw;
}

@media screen and (max-width: 767px) {
  #social .activity div {
    width: 90.66667vw;
  }
}

#social .activity figure {
  width: 29.16667vw;
}

@media screen and (max-width: 767px) {
  #social .activity figure {
    width: 90.66667vw;
    margin-top: 4vw;
  }
}

#social .activity.photo div {
  width: 30.20833vw;
}

@media screen and (max-width: 767px) {
  #social .activity.photo div {
    width: 90.66667vw;
  }
}

#social .activity.photo figure {
  width: 23.4375vw;
}

@media screen and (max-width: 767px) {
  #social .activity.photo figure {
    width: 90.66667vw;
    margin: 4vw 0 1.33333vw;
  }
}

#social .activity h4 {
  margin-bottom: 2.60417vw;
  font-size: 1.66667vw;
  font-weight: 500;
  line-height: 1;
}

@media screen and (max-width: 767px) {
  #social .activity h4 {
    height: 12vw;
    margin-bottom: 4.66667vw;
    padding-left: 14.66667vw;
    font-size: 5.33333vw;
    line-height: 1.25;
  }
}

#social .activity h4 span {
  width: 4.6875vw;
  height: 4.6875vw;
  padding-left: 0.52083vw;
  font-family: 'Alatsi', sans-serif;
  font-size: 1.5625vw;
  line-height: 2.08333vw;
  letter-spacing: 0.1em;
  color: #fff;
  background: #209e44;
  position: absolute;
  top: 3.125vw;
  left: 0;
}

@media screen and (max-width: 767px) {
  #social .activity h4 span {
    width: 12vw;
    height: 12vw;
    padding-left: 1.33333vw;
    font-size: 4.8vw;
    line-height: 6.66667vw;
    top: 8.66667vw;
  }
}

#social .activity p {
  overflow: hidden;
}

@media screen and (max-width: 767px) {
  #social .activity p {
    margin: 0 3.33333vw;
  }
}

#social .activity p.notes {
  margin: 0.26042vw 0 1.82292vw;
  font-size: 0.72917vw;
  line-height: 1.71429;
}

@media screen and (max-width: 767px) {
  #social .activity p.notes {
    margin: 0.66667vw 3.33333vw 4.66667vw;
    font-size: 2.66667vw;
  }
}

#social .activity dl {
  padding: 1.19792vw 2.08333vw 2.08333vw;
  border: 1px solid #c6c6c6;
}

@media screen and (max-width: 767px) {
  #social .activity dl {
    padding: 3.06667vw 5.33333vw 5.33333vw;
  }
}

#social .activity dl dt {
  margin-bottom: 0.52083vw;
  font-size: 1.14583vw;
  font-weight: 500;
  color: #209e44;
}

@media screen and (max-width: 767px) {
  #social .activity dl dt {
    margin-bottom: 1.33333vw;
    font-size: 4.26667vw;
  }
}

#social .activity div.inner {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  width: 100%;
  margin-top: 1.82292vw;
}

@media screen and (max-width: 767px) {
  #social .activity div.inner {
    margin-top: 1.33333vw;
  }
}

#social .activity div.inner dl {
  width: 26.5625vw;
  padding-bottom: 1.5625vw;
}

@media screen and (max-width: 767px) {
  #social .activity div.inner dl {
    width: 90.66667vw;
    margin-top: 2.66667vw;
    padding-bottom: 4vw;
  }
}

#education {
  width: 62.5vw;
  margin: 3.64583vw auto 0;
  border-top: 2px solid #c6c6c6;
}

@media screen and (max-width: 767px) {
  #education {
    width: 90.66667vw;
    margin: 9.33333vw auto 0;
  }
}

#education > div {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  padding: 3.125vw 0;
  border-bottom: 2px solid #c6c6c6;
}

@media screen and (max-width: 767px) {
  #education > div {
    padding: 8vw 0;
  }
}

#education > div dl {
  position: relative;
  width: 29.16667vw;
}

@media screen and (max-width: 767px) {
  #education > div dl {
    width: 90.66667vw;
  }
}

#education > div dl dt {
  margin-bottom: 2.76042vw;
  padding-left: 4.42708vw;
  font-size: 1.66667vw;
  font-weight: 500;
  line-height: 1;
}

@media screen and (max-width: 767px) {
  #education > div dl dt {
    margin-bottom: 7.06667vw;
    padding-left: 11.33333vw;
    font-size: 5.33333vw;
  }
}

#education > div dl dt::before {
  content: "";
  display: block;
  width: 2.60417vw;
  height: 2.60417vw;
  background: #209e44;
  position: absolute;
  top: 0;
  left: 0;
}

@media screen and (max-width: 767px) {
  #education > div dl dt::before {
    width: 6.66667vw;
    height: 6.66667vw;
  }
}

#education > div dl dd a {
  position: relative;
  display: block;
  width: 16.66667vw;
  margin-top: 3.125vw;
  padding-left: 1.5625vw;
  font-size: 1.04167vw;
  line-height: 3.38542vw;
  letter-spacing: .1em;
  color: #209e44;
  border: 1px solid #209e44;
}

@media screen and (max-width: 767px) {
  #education > div dl dd a {
    width: 42.66667vw;
    margin: 5.33333vw 0;
    padding-left: 4vw;
    font-size: 2.66667vw;
    line-height: 8.66667vw;
  }
}

#education > div dl dd a::after {
  content: "";
  display: block;
  width: 1.51042vw;
  height: 1.45833vw;
  background: url(../img/philosophy/arrow.png) left top/cover;
  position: absolute;
  top: 1.04167vw;
  right: 1.04167vw;
}

@media screen and (max-width: 767px) {
  #education > div dl dd a::after {
    width: 3.86667vw;
    height: 3.73333vw;
    top: 2.66667vw;
    right: 2.66667vw;
  }
}

#education > div dl dd a:hover {
  background-color: #eafce6;
}

#education > div > figure {
  width: 29.16667vw;
}

@media screen and (max-width: 767px) {
  #education > div > figure {
    width: 90.66667vw;
  }
}

#paper {
  width: 62.5vw;
  margin: 3.64583vw auto 0;
}

@media screen and (max-width: 767px) {
  #paper {
    width: 94.66667vw;
    margin-top: 9.33333vw;
  }
}

#paper h4 {
  padding-bottom: 1.04167vw;
  font-size: 1.66667vw;
  font-weight: 500;
  line-height: 1;
  text-align: center;
  color: #209e44;
  border-bottom: 2px solid #c6c6c6;
}

@media screen and (max-width: 767px) {
  #paper h4 {
    padding-bottom: 2.66667vw;
    font-size: 4.26667vw;
  }
}

#paper li {
  padding: 2.60417vw 10.9375vw 3.64583vw;
  font-size: 1.14583vw;
  border-bottom: 2px solid #c6c6c6;
}

@media screen and (max-width: 767px) {
  #paper li {
    padding: 6.66667vw 2.66667vw 9.33333vw;
    font-size: 3.2vw;
  }
}

#paper .mvbox {
  position: relative;
  width: 40.625vw;
  padding-top: 22.85156vw;
  margin: 0.52083vw auto 0;
}

@media screen and (max-width: 767px) {
  #paper .mvbox {
    width: 89.33333vw;
    padding-top: 50.25vw;
    margin-top: 1.33333vw;
  }
}

#paper .mvbox iframe {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}

.btback a {
  position: relative;
  display: block;
  width: 13.02083vw;
  margin: 3.64583vw auto 0;
  padding-left: 6.51042vw;
  font-size: 1.45833vw;
  line-height: 4.16667vw;
  letter-spacing: .1em;
  color: #fff;
  background: #209e44;
}

@media screen and (max-width: 767px) {
  .btback a {
    width: 33.33333vw;
    margin: 9.33333vw auto 0;
    padding-left: 16.66667vw;
    font-size: 3.73333vw;
    line-height: 10.66667vw;
  }
}

.btback a::after {
  content: "";
  display: block;
  width: 1.97917vw;
  height: 1.97917vw;
  background: url(../img/activities/arrow_w.png) left top/cover;
  position: absolute;
  top: 1.04167vw;
  left: 1.66667vw;
}

@media screen and (max-width: 767px) {
  .btback a::after {
    width: 5.06667vw;
    height: 5.06667vw;
    top: 2.66667vw;
    left: 4.26667vw;
  }
}

.btback a:hover {
  color: #fff;
  opacity: 0.7;
}

#travel {
  width: 62.5vw;
  margin: 3.64583vw auto 0;
}

@media screen and (max-width: 767px) {
  #travel {
    width: 94.66667vw;
    margin-top: 9.33333vw;
  }
}

#travel h4 {
  padding-bottom: 1.04167vw;
  font-size: 1.66667vw;
  font-weight: 500;
  line-height: 1;
  text-align: center;
  color: #209e44;
  border-bottom: 2px solid #c6c6c6;
}

@media screen and (max-width: 767px) {
  #travel h4 {
    padding-bottom: 2.66667vw;
    font-size: 4.26667vw;
  }
}

#travel > p {
  margin: 2.60417vw 0.52083vw 3.64583vw;
}

@media screen and (max-width: 767px) {
  #travel > p {
    margin: 6.66667vw 1.33333vw 9.33333vw;
  }
}

#travel .gallery .slider-main {
  width: 47.91667vw;
  margin: 0 auto 1.5625vw;
}

@media screen and (max-width: 767px) {
  #travel .gallery .slider-main {
    width: 84vw;
    margin: 0 auto 4vw;
  }
}

#travel .gallery .slider-main li {
  position: relative;
  height: 26.97917vw;
  overflow: hidden;
}

@media screen and (max-width: 767px) {
  #travel .gallery .slider-main li {
    height: 47.33333vw;
  }
}

#travel .gallery .slider-main li img {
  width: auto;
  height: 100%;
  margin: 0 auto;
}

#travel .gallery .slider-main li p {
  width: 100%;
  padding: 0.83333vw 1.82292vw;
  line-height: 1.5;
  color: #fff;
  background: rgba(0, 0, 0, 0.5);
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
}

@media screen and (max-width: 767px) {
  #travel .gallery .slider-main li p {
    font-size: 2.66667vw;
    padding: 2.26667vw 3.33333vw;
  }
}

#travel .gallery .slider-main .slick-arrow {
  width: 2.91667vw;
  height: 2.91667vw;
  margin: 0;
  padding: 0;
  color: transparent;
  cursor: pointer;
  background: url(../img/activities/btn_prev.png) no-repeat left top/100%;
  border: none;
  position: absolute;
  top: 50%;
  left: -5.625vw;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
}

@media screen and (max-width: 767px) {
  #travel .gallery .slider-main .slick-arrow {
    width: 7.46667vw;
    height: 7.46667vw;
    left: -8vw;
  }
}

#travel .gallery .slider-main .slick-arrow.slick-next {
  left: auto;
  right: -5.625vw;
  background-image: url(../img/activities/btn_next.png);
}

@media screen and (max-width: 767px) {
  #travel .gallery .slider-main .slick-arrow.slick-next {
    right: -8vw;
  }
}

#travel .gallery .slider-thumb {
  width: 48.95833vw;
  margin: 0 auto;
  padding-right: 0.52083vw;
}

@media screen and (max-width: 767px) {
  #travel .gallery .slider-thumb {
    width: 86.66667vw;
    padding-right: 1.33333vw;
  }
}

#travel .gallery .slider-thumb li {
  position: relative;
  margin: 0 0.52083vw;
  cursor: pointer;
}

@media screen and (max-width: 767px) {
  #travel .gallery .slider-thumb li {
    margin: 0 1.33333vw;
  }
}

#travel .gallery .slider-thumb li.slick-current::after {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  position: absolute;
  top: 0;
  left: 0;
}