@charset "utf-8";
/* common */
html {
  font-size: 62.5%;
}

body {
  font-family: 
  "Noto Sans JP", sans-serif,
  "Noto Serif JP", serif;
  font-style: normal;
  color: #333;
  background-color: #ffff;
  line-height: 1.5;
}

img {
  width: 100%;
  height: auto;
}

address {
  font-size: 1.6rem;
  position: relative;
}

.section {
  padding: 40px 16px;
}

.tittle {
  display: flex;
  justify-content: center;
  margin-top: 27px;
}

.content-tittle {
  color: #3867D6;
  font-size: 2rem;
  font-weight: 700;
}

.text {
  font-size: 1.6rem;
  font-weight: 400;
}

.line-btn-img {
  width: 65px;
}

.line-btn {
  background-image: url(../images/LINE_Brand_icon.png);
  display: flex;
  align-items: center;
  margin: 0 auto;
  color: #FFF;
  font-size: 2rem;
  font-weight: 700;
  background-color: #06C755;
  width: 255px;
  border-radius: 10px;
  transition: 0.5s;
}

.line-btn:hover {
  opacity: 0.8;
}

.morebtn {
  text-align: center;
}

.btn-flat {
  color: #FFF;
  font-size: 2rem;
  font-weight: 700;
  position: relative;
  display: inline-block;
  padding: 1rem 4rem;
  cursor: pointer;
  transition: all 0.3s;
  text-align: center;
  vertical-align: middle;
  text-decoration: none;
  letter-spacing: 0.1em;
  color: #333;
  border-radius: 0.5rem;
  overflow: hidden;
  padding: 1.5rem 6rem;
  color: #fff;
  border-radius: 0;
  background: #002479;
}

.btn-flat span {
  position: relative;
}

.btn-flat:before {
  position: absolute;
  top: 0;
  left: 0;
  width: 150%;
  height: 500%;
  content: "";
  transition: all 0.5s ease-in-out;
  transform: translateX(-98%) translateY(-25%) rotate(45deg);
  background: #3FA9F6;
}

a.btn-flat:hover:before {
  transform: translateX(-9%) translateY(-25%) rotate(45deg);
}

/* fadeIn */
.fade-in {
  opacity: 0;
  transition: 1S;
}

.fade-in-left {
  /* transform: translate(-50px, 0); */
  transform: translate(0, 50px);
}

.fade-in-right {
  /* transform: translate(50px, 0); */
  transform: translate(0, 50px);
}

.scroll-in {
  opacity: 1;
  transform: translate(0, 0);
}


@media screen and (min-width:810px) {
  .picture img {
    margin-top: 50px;
  }

  .section {
    padding: 80px 10px;
  }

  .tittle {
    justify-content: flex-start;
  }

  .content-tittle {
    font-size: 3rem;
  }

  .sp-br {
    display: none;
  }
}

/* header */
.header {
  z-index: 100;
  position: fixed;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);;
}

.header-div {
  padding: 5px 60px 5px 5px;
  top: 0;
  display: flex;
  justify-content: space-between;
}

.logo {
  width: 220px;
}
.nav {
  background: rgba(255, 255, 255, 0.90);
  width: 100%;
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  transform: translateX(-100%);
  transition: transform 0.4s;
  text-align: center;
  padding-top: 133px;
}

.nav.active {
  transform: translateX(0);
}

.nav-item {
  font-size: 2rem;
  font-weight: 500;
  padding-bottom: 30px;
}

.line-btn-sp-header img {
  width: 40px;
}

.header-line-btn {
  display: none;
}

.openbtn {
  position: relative;
  position: absolute;
  background:#80BCE8;
  cursor: pointer;
  width: 50px;
  height:50px;
  top: 0;
  right: 0;
  z-index: 100;
}

.openbtn span{
  display: inline-block;
  transition: all .4s;/*アニメーションの設定*/
  position: absolute;
  left: 14px;
  height: 3px;
  border-radius: 2px;
  background: #fff;
  width: 45%;
}

.openbtn span:nth-of-type(1) {
  top:15px; 
}

.openbtn span:nth-of-type(2) {
  top:23px;
}

.openbtn span:nth-of-type(3) {
  top:31px;
}

.openbtn.active span:nth-of-type(1) {
  top: 18px;
  left: 16px;
  transform: translateY(6px) rotate(-45deg);
  width: 40%;
}

.openbtn.active span:nth-of-type(2) {
opacity: 0;
}

.openbtn.active span:nth-of-type(3){
  top: 30px;
  left: 16px;
  transform: translateY(-6px) rotate(45deg);
  width: 40%;
}

@media screen and (min-width:1024px) {
  .header {
    padding: 15px 0 8px;
    height: 70px;
  }

  .header-div {
    max-width: 1160px;
    display: flex;
    justify-content: space-between;
    margin: 0 auto;
    padding: 0;
  }

  .header-menu {
    display: flex;
    align-items: center;
  }

  .logo {
    width: 303px;
  }

  .nav {
    background:  transparent;
    width: auto;
    height: auto;
    padding: 0;
    position: static;
    transform: translate(0);
  }

  .nav-list {
    display: flex;
  }
  
  .nav-item {
    font-size: 1.6rem;
    font-weight: 500;
    margin-right: 30px;
    padding: 0;
  }

  .line-btn-sp-header {
    display: none;
  }

  .header-line-btn {
    display: block;
    display: flex;
    width: 200px;
    font-size: 1.6rem;
  }

  .header-line-btn-img {
    width: 50px;
  }

  .openbtn {
    display: none;
  }
}

/* section-footer */
.footer {
  margin-bottom: 30px;
}
.footer-nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 45px 30px;
  margin-top: 40px;
  padding: 0 50px;
}

.footer-nav-item {
  font-size: 1.4rem;
  font-weight: 500;
}

.footer-info {
  margin: 20px 0 50px 30px;
}
.footer-tittle {
  margin: 40px 20px 0;
  width: 220px;
  height: auto;
}

.footer-school-open {
  display: flex;
  margin-top: 10px;
}

.footer-open {
  margin-left: 30px;
}

.copy {
  font-size: 14px;
  text-align: center;
}

small {
  font-size: 1.4rem;
}

@media screen and (min-width:810px) {
  .footer {
    padding: 60px 0 30px;
    max-width: 1160px;
    margin: 0 auto;
  }

  .footer-menu {
    display: flex;
    justify-content: space-between;
    flex-direction: row-reverse;
    align-items: center;
  }

  .footer-nav-list {
    margin-top: 0;
  }

  .footer-tittle {
    margin-top: 0;
  }
}