@charset "utf-8";


/* ----------------- */
.hero-top {
  position: relative;
  width: 100%;
  max-width: 1024px;
  margin: 0px auto;
}
.hero-box {
  display: block;
  position: relative;
  width: 100%;
  max-width: 1024px;
  min-height: 435px;
  margin: 10px 0px 10px;
}
.hero-sg {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  position: relative;
  width: 100%;
  min-height: 435px;
  background-image: url("../img/topmain_sp1@2x.png");
  background-repeat: no-repeat;
  background-size: 390px 435px;
  background-position: top right;
}
.hero-sg .hero_logo {
  display: block;
  position: relative;
  width: 126px;
  height: 99px;
  margin-top: 35px;
  margin-left: 25px;
  background-image: url("../img/study_group_sp.svg");
  background-repeat: no-repeat;
  background-size: 126px 99px;
  background-position: top left;
}
.hero-sg h2 {
  position: relative;
  margin-top: 220px;
  margin-left: 25px;
  color: #1a1a1a;
  letter-spacing:0.1em;
}
.hero-sg p {
  position: relative;
  margin: 30px 25px 0px;
  line-height: 2em;
  text-align: justify;
}
.hero-bg {
  display: block;
  position: relative;
  width: 100%;
  height: calc(290 / 741 * 100vw);
  top: 0px;
  left: 0px;
  background-image: url("../img/topmain_sp2@2x.png");
  background-repeat: no-repeat;
  background-size: 100%;
  background-position: top left;
}



/* ----------------- */
main {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  position: relative;
  width: 100%;
  min-width: 340px;
  margin-top: -10px;
  background-color:#e0f1fc;
}
.main-top {
  display: block;
  position: relative;
  width: 100%;
  height: 340px;
  margin-top: -100px;
  z-index: -1;
  overflow: hidden;
}
.main-top ._topbg {
  position: absolute;
  width: 110%;
  height: calc(340 / 1024 * 100vw);
  left: -5%;
  border-top-left-radius: 50%;
  border-top-right-radius: 50%;
  background-color:#e0f1fc;
}
.main-bg {
  display: block;
  position: relative;
  width: 100%;
  max-width: 1024px;
  margin: -300px auto 0px;
  padding-top: 0px;
}
.main-bg h1 {
  text-align: center;
}



.sglist-box {
  display: block;
  position: relative;
  width: calc(100% - 44px);
  max-width: 980px;
  margin: 35px 22px 120px;
}

.sglist-box .search_btn {
  display: inline-block;
  position: relative;
  width: 140px;
  height: 42px;
  color: #ffffff;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.0em;
  text-align: center;
  margin-bottom: 10px;
  padding: 13px 15px;
  background-image: linear-gradient(90deg, rgba(51, 159, 225, 1), rgba(117, 214, 230, 1));
  background-size: 100% 100%;
  background-position: left;
  border-radius: 38px;
  box-shadow: 0px 4px 12px 0px rgba(76, 171, 223, 0.5);
  overflow: hidden;
  cursor: pointer;
  z-index: 1;
}
.sglist-box .search_btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background-color: #00378c;
  transition: left 0.3s ease;
  z-index: -1;
}
.sglist-box .search_btn:hover::before {
  left: 0;
}
.sglist-box .search_btn::after {
  content: url('../img/btn_+.svg');
  position: absolute;
  width: 15px;
  height: 15px;
  right: 15px;
  transition: content 0.3s;
}
.sglist-box .search_btn.close::after {
  content: url('../img/btn_-.svg');
}

.sglist-box .search-box {
  display: none;
  /*transition: 0.3s;*/
}
.sglist-box .search_input {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  gap: 0px 12px;
  position: relative;
  width: 100%;
  margin-bottom: 20px;
}
.sglist-box .search_input .search_container {
  flex-basis: 1;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  gap: 0px 15px;
  position: relative;
  width: 100%;
  height: 40px;
  padding: 10px 15px;
  background-color: #ffffff;
  border-radius: 10px;
}
.sglist-box .search_input .search_container form {
  width: 100%;
}
.sglist-box .search_input .search_container input {
  width: 100%;
  color: #1a1a1a;
  font-weight: 400;
  font-size: 16px;
}
.sglist-box .search_input .search_container input::placeholder {
  color: #b3b3b3;
}
.sglist-box .search_input .search_container input:focus {
  color: #1a1a1a;
}
.sglist-box .search_input .search_container .search_ico {
  position: relative;
  width: 13px;
  height: 16px;
  cursor: pointer;
}

.sglist-box .attent-box {
  display: block;
  position: relative;
  width: 100%;
  padding: 19px 25px;
  background-color: #ffffff;
  border-radius: 15px;
}
.sglist-box .attent-box p span._b-red {
  color: #ff3672;
  font-weight: 700;
}
.sglist-box .attent-box p._attention {
  text-indent: 35px;
  background-image: url("../img/attention.svg");
  background-repeat: no-repeat;
  background-size: 22px 20px;
  background-position: 0px 5px;
}

.sglist-box .search_res {
  margin: 15px 0px;
  color: #4d4d4d;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.8em;
}
.sglist-box .search_res span._sort {
  display: inline-block;
  position: relative;
  margin-left: 10px;
  color: #00378c;
  font-weight: 700;
}
.sglist-box .list-set {
  position: relative;
  margin-bottom: 20px;
}
.sglist-box .list-set._more::after {
  content: '';
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 20%;
  background: linear-gradient(to bottom, rgba(224,241,252,0) 0%, rgba(224,241,252,1) 100%);
  box-shadow: 0px 4px 0px 0px rgba(224,241,252,1);
  pointer-events: none;
  z-index: 2;
}

.sglist-box ul.sglist {
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 12px 12px;
  position: relative;
  width:100%;
  max-width: 980px;
}
.sglist-box ul.sglist li {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  position: relative;
  width: calc((100% - 12px)/2);
  height: 160px;
  background-color: #ffffff;
  border-radius: 15px;
  box-shadow: 0px 4px 0px 0px rgba(188, 227, 242, 1);
  cursor: pointer;
}
.sglist-box ul.sglist li::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background-color: #eef8fc;
  border-radius: 15px;
  transition: width 0.3s ease;
}
.sglist-box ul.sglist li:hover::before {
  width: 100%;
}
.sglist-box ul.sglist li::after {
  content: url("../img/arrow_link_gr.svg");
  position: absolute;
  width: 33px;
  height: 28px;
  bottom: 0px;
  right: 0px;
  pointer-events: none;
}
.sglist-box ul.sglist li a {
  display: block;
  position: relative;
  width: 100%;
  height: 100%;
  padding: 15px;
  text-decoration: none;
}
.sglist-box ul.sglist li p._title {
  display: block;
  position: relative;
  width: 100%;
  height: 45px;
  color: #4cabdf;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.5em;
}
.sglist-box ul.sglist li ._hr {
  display: block;
  position: relative;
  width: 100%;
  height: 1px;
  margin: 9px 0px;
  background-image: linear-gradient(90deg, rgba(51, 159, 225, 1), rgba(117, 214, 230, 1));
}
.sglist-box ul.sglist li p._area {
  display: block;
  position: relative;
  width: 100%;
  height: 40px;
  color: #1a1a1a;
  font-size: 13px;
  font-weight: 400;
  line-height: 1.5em;
}
.sglist-box ul.sglist li p._date {
  display: inline-block;
  position: absolute;
  bottom: 15px;
  color: #808080;
  font-size: 13px;
  font-weight: 400;
  line-height: 1.3em;
}
.sglist-box ul.sglist li p span {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}

.sglist-box .more-box {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  width: 100%;
  padding-top: 10px;
}
.sglist-box .more_btn {
  display: inline-block;
  position: relative;
  width: 200px;
  height: 50px;
  margin: 0px auto 85px;
  padding: 17px 15px;
  color: #ffffff;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.0em;
  text-align: center;
  background-image: linear-gradient(90deg, rgba(51, 159, 225, 1), rgba(117, 214, 230, 1));
  background-size: 100% 100%;
  background-position: left;
  border-radius: 38px;
  box-shadow: 0px 4px 12px 0px rgba(76, 171, 223, 0.5);
  overflow: hidden;
  cursor: pointer;
  z-index: 1;
}
.sglist-box .more_btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background-color: #00378c;
  transition: left 0.3s ease;
  z-index: -1;
}
.sglist-box .more_btn:hover::before {
  left: 0;
}
.sglist-box .more_btn::after {
  content: url('../img/btn_+.svg');
  position: absolute;
  width: 15px;
  height: 15px;
  right: 15px;
  transition: content 0.3s;
}
.sglist-box .more_btn.close::after {
  content: url('../img/btn_-.svg');
}

.banner-box {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  gap: 20px 0px;
  position: relative;
  width: 100%;
  margin-bottom: 20px;
}
.banner-box div {
  flex-basis: 1;
  display: block;
  position: relative;
  width: 100%;
}
.banner-box a img {
  width: 100%;
  filter: drop-shadow(0px 4px 12px rgba(76, 171, 223, 0.5));
}
.banner-box p {
  position: relative;
  width: 100%;
  margin-top: 16px;
}


.sglist-box dl.info-box {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  gap: 5px 0px;
  position: relative;
  width: 100%;
  margin-top: 40px;
  padding: 25px 25px;
  background-color: #c2e0f5;
  border-radius: 15px;
}
.sglist-box dl.info-box dt {
  flex-basis: 1;
  position: relative;
  width: 100%;
  text-align: left;
}
.sglist-box dl.info-box dt span {
  display: inline-block;
  position: relative;
  font-weight: 700;
  font-size: 16px;
}
.sglist-box dl.info-box dd {
  flex-basis: 1;
  position: relative;
  padding-right: 0px;
}





/* ------------------------------------------------------------------------------------------ */
/* ------------------------------------------------------------------------------------------ */
/* ------------------------------------------------------------------------------------------ */
/* ------------------------------------------------------------------------------------------ */
/* ------------------------------------------------------------------------------------------ */

@media (min-width: 768px) {

  .hero-box {
    width: calc(100% - 40px);
    min-height: 660px;
    margin: 10px 0px 10px 40px;
  }
  .hero-sg {
    width: 340px;
    background-image: none;
  }
  .hero-sg .hero_logo {
    width: 332px;
    height: 61px;
    margin-top: 100px;
    margin-left: 0px;
    background-image: url("../img/study_group_pc_tb.svg");
    background-size: 332px 61px;
  }
  .hero-sg h2 {
    margin-top: 40px;
    margin-left: 0px;
  }
  .hero-sg p {
    margin: 30px 0px 0px;
  }
  .hero-bg {
    position: absolute;
    width: 600px;
    height: 660px;
    left: calc(100% - 600px);
    background-image: url("../img/topmain_tb@2x.png");
    background-size: 600px 660px;
  }

  main {
    margin-top: 100px;
  }
  .main-top {
    margin-top: -250px;
  }
  .main-top ._topbg {
    height: calc(340 / 1024 * 100vw);
  }
  .main-bg {
    margin: -250px auto 0px;
  }

  .sglist-box {
    width: calc(100% - 60px);
    margin: 35px 30px 120px;
  }
  .sglist-box .search_input {
    gap: 0px 24px;
  }
  .sglist-box ul.sglist {
    gap: 21px 21px;
  }
  .sglist-box ul.sglist li {
    width: calc((100% - 42px)/3);
    height: 170px;
  }
  .sglist-box ul.sglist li a {
    padding: 20px;
  }
  .sglist-box ul.sglist li p._title {
    font-size: 15px;
  }

  .banner-box {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0px 40px;
  }

  .sglist-box dl.info-box {
    flex-direction: row;
    align-items: center;
    gap: 0px 0px;
    padding: 25px 0px;
  }
  .sglist-box dl.info-box dt {
    flex-basis: 210px;
    width: 210px;
    text-align: center;
  }
  .sglist-box dl.info-box dd {
    padding-right: 25px;
  }


}




@media (min-width: 1024px) {
  .hero-box {
    width: calc(100% - 44px);
    min-height: 681px;
    margin: 10px 22px;
  }
  .hero-bg {
    width: 100%;
    height: 681px;
    top: 0px;
    left: 270px;
    background-image: url("../img/topmain_pc@2x.png");
    background-size: 829px 681px;
  }

  main {
    margin-top: 200px;
  }
  .main-top {
    margin-top: -300px;
  }
  .main-top ._topbg {
    height: calc(340 / 1024 * 100vw);
  }
  .main-bg {
    margin: -300px auto 0px;
  }

  .sglist-box {
    width: 100%;
    margin: 35px auto 120px;
  }
  .sglist-box .search_input {
    gap: 0px 40px;
  }
  .sglist-box ul.sglist {
    gap: 20px 20px;
  }
  .sglist-box ul.sglist li {
    width: 230px;
  }


}