@charset "utf-8";
/* CSS Document */
@import url(https://fonts.googleapis.com/css2?ffamily=Noto+Sans+JP:wght@200;400;500&display=swap);
body {
  font-family: "Noto Sans JP", "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "游ゴシック", "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
}
.mv-menu {
  width: 100%;
  display: flex;
  background: #333333;
  height: 680px;
  position: relative;
}
.mv-menu > li {
  background-repeat: no-repeat;
  background-size: cover;
  background-position: top center;
  height: 680px;
  width: 100%;
  flex-basis: 50%;
  cursor: pointer;
}
.mv-menu .ess-img { /* 小学生　メインビジュアル　パソコン版 */
  background-image: url("../img/winter-2025/winter-bg-sho25.jpg");
}
.mv-menu .ess-img.hoverimg { /* 小学生　メインビジュアル　パソコン版　ホバーして暗くなる */
  opacity: 0.8;
  transition: 0.1s;
}
.mv-menu .jhs-img { /* 中学生　メインビジュアル　パソコン版 */
  background-image: url("../img/winter-2025/winter-bg-chu25.jpg");
}
.mv-menu .jhs-img.hoverimg { /* 中学生　メインビジュアル　パソコン版　ホバーして暗くなる */
  opacity: 0.8;
  transition: 0.1s;
}
.mv-menu > li > div {
  margin: 40px 3% 0;
  width: 44%;
  height: 600px;
  color: #FFFFFF;
  background: #2477A3;
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.8);
  border-radius: 10px;
  z-index: 3;
}
.mv-menu .ess-menu {
  position: absolute;
  display: none;
  font-family: "Noto Sans JP", "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "游ゴシック", "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
  top: 0;
  right: 0;
}
.mv-menu .ess-menu > div {
  padding: 30px;
}
.mv-menu .jhs-menu {
  position: absolute;
  display: none;
  font-family: "Noto Sans JP", "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "游ゴシック", "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
  top: 0;
  left: 0;
}
.mv-menu .jhs-menu div {
  padding: 30px;
}
.mv-menu li div ul li a {
  text-decoration: none;
  color: #FFFFFF;
}
.mv-menu li div ul li:not(:last-child) {
  margin-right: 16px
}
.mv-menu li div ul+h2, .mv-menu li div ul+h3 {
  margin-top: 26px
}
.mv-menu li div h2, .mv-menu li div h3 {
  margin-bottom: 12px;
  padding-left: 12px;
  font-weight: bold;
  font-size: 24px;
  line-height: 1;
  border-left: 8px solid #FFFFFF;
}
.mv-menu li div ul {
  display: flex;
  margin-bottom: 16px;
  margin-left: 20px;
}
.mv-menu li div ul li {
  padding: 10px 16px;
  font-size: 18px;
  line-height: 1;
  font-weight: 500;
  background: #1E5C7D;
  border-radius: 5px;
}

.ess-menu:before { /* 中学生側　三角形　パソコン版 */
  content: "";
  position: absolute;
  top: 50%;
  left: -90px;
  transform: translateY(-50%);
  border: 30px solid transparent;
  border-right: 60px solid #2477A3;
}
.jhs-menu:before { /* 小学生側　三角形　パソコン版 */
  content: "";
  position: absolute;
  top: 50%;
  right: -90px;
  transform: translateY(-50%);
  border: 30px solid transparent;
  border-left: 60px solid #2477A3;
}



.pg_summer .pageTop {
  display: none !important;
}
.close-pcbt {
  margin-bottom: 20px;
  text-align: right;
}
.close-pcbt img {
  width: 50px;
  height: auto;
  vertical-align: top;
}
@media only screen and (min-width: 897px) {
.summer-sphead {
    display: block;
    position: fixed;
    left: 20px;
    top: 20px;
    z-index: 999;
  }
.summer-sphead img {
    width: 180px;
    height: auto;
  }
.summerpcfooter {
    text-align: center;
    background-color: #2477a3;
    padding: 12px 0 0;
  }
.summerpcfooter img {
    width: 300px;
    height: auto;
  }
.summerspfooter {
    display: none;
  }
.sp-jhsbg {
    display: none;
  }
.sp-essbg {
    display: none;
  }
}
@media only screen and (max-width: 1080px) {
  .mv-menu .ess-menu > div {
    padding: 40px 20px;
  }
  .mv-menu li div ul li {
    font-size: 18px;
    padding: 8px 8px;
  }
}
@media only screen and (max-width: 896px) {
  .mv-menu {
    display: none;
  }
  .summer-sphead {
    display: block;
    text-align: center;
  }
  .summer-sphead img {
    width: 40%;
    height: auto;
    padding: 12px 0;
    vertical-align: bottom;
  }
  .summerpcfooter {
    display: none;
  }
  .summerspfooter {
    display: block;
    padding: 12px 0;
    text-align: center;
  }
  .summerspfooter img {
    width: 50%;
    height: auto;
  }
  .sp-essmenu a, .sp-jhsmenu a {
    color: #fff;
    text-decoration: none;
  }
  .sp-essmenu {
    background-color: #2477a3;
    padding: 20px 20px 40px;
    position: fixed;
    z-index: 3;
    display: none;
    top: 0;
    width: 100%;
    height: 100vh;
  }
  .closebt {
    margin-bottom: 20px;
    text-align: right;
    cursor: pointer;
  }
  .sp-jhsmenu .closebt {
    padding: 0 20px;
  }
  .closebt img {
    width: 50px;
    height: auto;
  }
  .sp-essmenu div {
    margin-bottom: 32px;
    padding-left: 12px;
    border-left: 4px solid #FFFFFF;
  }
  .sp-essmenu div h3 {
    margin-bottom: 8px;
    font-weight: bold;
    font-size: 20px;
    color: #FFFFFF;
  }
  .sp-essmenu div p {
    color: #FFFFFF;
  }
  .sp-essmenu div ul {
    margin-bottom: 12px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
  }
  .sp-essmenu div ul li {
    padding: 8px 0px;
    flex-basis: 30%;
    text-align: center;
    background-color: #1e5c7d;
    border-radius: 5px;
  }
  .sp-jhsmenu {
    padding: 20px 0px 0px;
    position: fixed;
    display: none;
    top: 0;
    width: 100%;
    height: 100vh;
    text-align: center;
    color: #fff;
    background: #2477a3;
    z-index: 3;
  }
  .sp-jhsmenu p {
    margin-bottom: 20px;
    color: #fff;
  }
  .sp-jhsmenu dl.jhs-hoverbg {
    background-color: #1E5C7D;
  }
  .sp-jhsmenu dl {
    padding: 20px 0 12px;
  }
  .sp-jhsmenu dl dt {
    font-size: 24px;
    font-weight: bold;
  }
  .sp-jhsmenu dl dd {
    font-size: 32px;
    font-weight: bold;
  }
  footer .bottomNav .btmNavFrame .copyright {
    margin-bottom: 0px;
  }
  .sp-essbg > img {
    width: 100%;
    height: auto;
    vertical-align: top;
  }
  .sp-jhsbg > img {
    width: 100%;
    height: auto;
  }

}