#casestudy #hero .p-hero {background-image: url(../img/casestudy/img_main_casestudy.jpg);}


/* message */
#casestudy #message {
  position: relative;
  padding: calc(var(--base) * 10) 0 0;
  background-color: #e6c8b8;
}
#casestudy #message::before {
  position: absolute;
  left: 0;
  top: calc(79 / 1200 * -100vw);
  width: 100%;
  height: calc(79 / 1200 * 100vw);
  background-image: url(../img/casestudy/deco_content_before.png);
  background-position: center bottom;
  background-repeat: no-repeat;
  background-size: cover;
  z-index: 0;
  content: '';
}
#casestudy #message .p-lead p {
  font-size: 24px;
  font-weight: 700;
  line-height: 2;
  text-align: center;
}
/* list */
#casestudy #list {
  position: relative;
  padding: calc(var(--base) * 10) 0 calc(var(--base) * 20);
  background-color: #e6c8b8;
}
#casestudy #list::before {
  position: absolute;
  left: 0;
  top: calc(79 / 1200 * -100vw);
  width: 100%;
  height: calc(79 / 1200 * 100vw);
  background-image: url(../img/casestudy/deco_content_before.png);
  background-position: center bottom;
  background-repeat: no-repeat;
  background-size: cover;
  z-index: 0;
  content: '';
}
#casestudy #list .p-casestudyTag {
  width: 100%;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
#casestudy #list .p-casestudyList > .c-flex > * {display: none;}
#casestudy #list .p-casestudyList > .c-flex > *.is-active {display: block;}
/* gallery */
#casestudy #gallery {
  padding: calc(var(--base) * 15) 0 0;
  background-color: #e6c8b8;
}
#casestudy #gallery .p-gallery {
  width: 100%;
  max-width: var(--inner-max-width);
  margin-left: auto;
  margin-right: auto;
}
#casestudy #gallery .p-gallery > .c-flex {gap: 1em;}
#casestudy #gallery .p-gallery > .c-flex > *:nth-child(1) {width: 720px;}
#casestudy #gallery .p-gallery > .c-flex > *:nth-child(2) {flex: 1;}
#casestudy #gallery .p-gallery-main {
  position: relative;
  background-color: #000;
}
#casestudy #gallery .p-gallery-main::before {
  display: block;
  padding-top: 72.22%;
  content: '';
}
#casestudy #gallery .p-gallery-main::after {
  position: absolute;
  left: -1px;
  top: -1px;
  width: calc(100% + 2px);
  height: calc(100% + 2px);
  background-image: url(../img/casestudy/frame_main_image.png);
  background-position: 0 0;
  background-repeat: no-repeat;
  background-size: cover;
  content: '';
}
#casestudy #gallery .p-gallery-main > * {display: none;}
#casestudy #gallery .p-gallery-main > *.is-active {display: block;}
#casestudy #gallery .p-gallery-main-photo {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}
#casestudy #gallery .p-gallery-main-movie video,
#casestudy #gallery .p-gallery-main-movie iframe {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 89% !important;
  height: 69% !important;
  transform: translate(-50%, -50%);
  z-index: 1;
}
#casestudy #gallery .p-gallery-ambassador {
  position: absolute;
  right: 16px;
  top: 8px;
  width: 80px;
  z-index: 1;
}
#casestudy #gallery .p-gallery-title {
  display: none;
  position: absolute;
  left: 0;
  top: 50%;
  width: 100%;
  text-align: center;
  transform: translateY(-50%);
  z-index: 1;
}
#casestudy #gallery .p-gallery-title.is-active {display: block;}
#casestudy #gallery .p-gallery-title h1 {
  color: #fff;
  font-family: ab-yurumin, sans-serif;
  font-weight: 400;
  font-size: 48px;
  font-style: normal;
}
#casestudy #gallery .p-gallery-title p {
  display: inline-block;
  font-size: 24px;
  margin-top: 1em;
  padding: .5em 1.5em;
  background-color: #fff;
  border-radius: 2em;
}
#casestudy #gallery .p-gallery-list > .c-flex {gap: 0.5em;}
#casestudy #gallery .p-gallery-list > .c-flex > * {
  width: calc((100% - 1em) / 3);
  background-color: #000;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  border: 2px solid #e6c8b8;
  border-radius: 1em;
  overflow: hidden;
  cursor: pointer;
}
#casestudy #gallery .p-gallery-list > .c-flex > *.is-active {border-color: #1d8054;}
#casestudy #gallery .p-gallery-list > .c-flex > *::before {
  display: block;
  padding-top: 66.66%;
  content: '';
}
#casestudy #gallery .p-gallery-list-movie::after {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: transparent;
  content: '';
}
#casestudy #gallery .p-gallery-list-movie video,
#casestudy #gallery .p-gallery-list-movie iframe {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}
#casestudy #gallery .p-gallery-list-movie span {
  position: absolute;
  left: 50%;
  top: 50%;
  font-size: calc(var(--base) * 5);
  color: #fff;
  transform: translate(-50%, -50%);
  z-index: 1;
}
/* detail */
#casestudy #detail {
  padding: calc(var(--base) * 10) 0 calc(var(--base) * 5);
  background-color: #e6c8b8;
}
#casestudy #detail .p-3d {
  width: 100%;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}
#casestudy #detail .p-3d img {
  width: 100%;
  border-radius: calc(var(--base)* 5);
}
#casestudy #detail .p-3d .c-btn {
  color: #fff;
  background-color: #4b8ecc;
  border-color: #4b8ecc;
}
#casestudy #detail .p-3d .c-btn::after {content: "\f720";}
#casestudy #detail .p-3d .c-btn:hover {
  color: #4b8ecc;
  background-color: #fff;
}
#casestudy #detail .p-lead p {
  font-size: 24px;
  font-weight: 700;
  line-height: 2;
  text-align: center;
}
/* teacher */
#casestudy #teacher {
  padding: calc(var(--base) * 10) 0 calc(var(--base) * 10);
  background-color: #e6c8b8;
}
#casestudy #teacher .p-teacher {
  width: 100%;
  max-width: var(--inner-max-width-lg);
  margin-left: auto;
  margin-right: auto;
}
#casestudy #teacher .p-teacher > .c-flex {gap: calc(var(--base) * 4);}
#casestudy #teacher .p-teacher > .c-flex > *:nth-child(1) {width: 240px;}
#casestudy #teacher .p-teacher > .c-flex > *:nth-child(2) {
  flex: 1;
  /* padding: calc(var(--base) * 2) 0; */
}
#casestudy #teacher .p-teacher-name {text-align: center;}
#casestudy #teacher .p-teacher-name p {
  font-size: calc(var(--base) * 2);
  font-weight: 700;
}
#casestudy #teacher .p-teacher-ambassador {
  position: absolute;
  right: 0;
  top: 0;
  width: 56px;
  z-index: 1;
}
#casestudy #teacher .p-teacher-impression p {
  font-size: calc(var(--base) * 2.5);
  font-weight: 700;
}
#casestudy #teacher .m-post a {display: inline;}
/* contact */
#casestudy #contact {
  position: relative;
  padding: 0;
  background-color: #e6c8b8;
}
#casestudy #contact .p-lead p {
  color: var(--color-1st);
  font-size: calc(var(--base)* 2.25);
}
/* last */
#casestudy #last {
  padding: calc(var(--base) * 10) 0 calc(var(--base) * 20);
  background-color: #e6c8b8;
}
#casestudy #last .p-lead p {
  color: var(--color-1st);
  font-size: calc(var(--base)* 2.25);
}

@media screen and (max-width: 1200px) {
  /* message */
  #casestudy #message .p-lead p {font-size: 2.04vw;}
  /* gallery */
  #casestudy #gallery .p-gallery {
    padding-left: var(--inner-margin);
    padding-right: var(--inner-margin);
  }
  #casestudy #gallery .p-gallery > .c-flex > *:nth-child(1) {width: 65%;}
  #casestudy #gallery .p-gallery-ambassador {
    right: 1vw;
    top: 1vw;
    width: 8.16vw;
  }
  #casestudy #gallery .p-gallery-title h1 {font-size: 4.08vw;}
  #casestudy #gallery .p-gallery-title p  {font-size: 2.04vw;}
  /* detail */
  #casestudy #detail .p-lead p {font-size: 2.04vw;}
  /* teacher */
  #casestudy #teacher .p-teacher-ambassador {width: 5.71vw;}
}
@media screen and (max-width: 767px) {
  /* message */
  #casestudy #message .p-lead p {font-size: 3.13vw;}
  /* gallery */
  #casestudy #gallery {padding-top: 0;}
  #casestudy #gallery .p-gallery {
    padding-left: 0;
    padding-right: 0;
  }
  #casestudy #gallery .p-gallery > .c-flex {gap: 0;}
  #casestudy #gallery .p-gallery > .c-flex > *:nth-child(1) {width: 100%;}
  #casestudy #gallery .p-gallery > .c-flex > *:nth-child(2) {
    padding-left: var(--inner-margin);
    padding-right: var(--inner-margin);
  }
  #casestudy #gallery .p-gallery-main::before {padding-top: 87.07%;}
  #casestudy #gallery .p-gallery-main::after {background-image: url(../img/casestudy/frame_main_image_sp.png);}
  #casestudy #gallery .p-gallery-main-movie video,
  #casestudy #gallery .p-gallery-main-movie iframe {
    width: 98% !important;
    height: 63% !important;
  }
  #casestudy #gallery .p-gallery-ambassador {
    top: auto;
    bottom: 5vw;
    width: 11.25vw;
  }
  #casestudy #gallery .p-gallery-title h1 {font-size: 6.25vw;}
  #casestudy #gallery .p-gallery-title p  {font-size: 3.13vw;}
  /* detail */
  #casestudy #detail .p-lead p {font-size: 3.13vw;}
  /* teacher */
  #casestudy #teacher .p-teacher > .c-flex > *:nth-child(1) {width: 55%;}
  #casestudy #teacher .p-teacher > .c-flex > *:nth-child(2) {
    width: 100%;
    flex: auto;
  }
  #casestudy #teacher .p-teacher-ambassador {width: 8.75vw;}
}
@media screen and (max-width: 480px) {
  /* message */
  #casestudy #message .p-lead p {font-size: 4.0vw;}
  /* gallery */
  #casestudy #gallery .p-gallery-ambassador {width: 16vw;}
  #casestudy #gallery .p-gallery-title h1 {font-size: 7.00vw;}
  #casestudy #gallery .p-gallery-title p  {font-size: 3.50vw;}
  /* detail */
  #casestudy #detail .p-lead p {font-size: 4.0vw;}
  /* teacher */
  #casestudy #teacher .p-teacher-ambassador {width: 12vw;}
}