/* 共通部分 */
body{
  color: #082b48;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  line-height: 1.5;
}

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

a{
  text-decoration: none;
  color: #082b48;
}

a:hover{
  opacity: 0.7;
}

.container{
  width: 90%;
  max-width: 980px;
  margin: auto;
}

.clear::after{
  content: "";
  clear: both;
  display: block;
}

/* header */
header{
  padding: 20px;
}

.header-title{
  font-weight: bold;
  font-size: 24px;
}

.header-left{
  float: left;
}

.header-right{
  float: right;
}

.header-nav-item{
  float: left;
  margin-left: 50px;
}

.header-nav-item a{
  font-size: 15px;
  font-weight: 600;
  line-height: 36px;
}

/* top */
.top{
  background-image: url(../img/main-vsual-nontitle.png);
  background-size: cover;
  padding: 80px;
}

.top-title{
  font-size: 48px;
  font-weight: bold;
  text-align: center;
  margin-bottom: 20px; 
}

.top-subtitle{
  font-size: 18px;
  text-align: center;
}

/* section共通クラス */
.section{
  padding: 60px 0;
}

.section-title{
  font-size: 32px;
  font-weight: bold;
  text-align: center;
  margin-bottom: 40px;
}

/* about */
.about-left{
  float: left;
  width: 48%;
}

.about-right{
  float: right;
  width: 48%;
}

/* course */
.course{
  background-color: #e3fcf4;
}
.course-wrapper{
  display: flex;
  justify-content: space-between;
}

.course-item{
  width: 30%;
}

/* contact */
.contact-message{
  text-align: center;
  margin-bottom: 20px;
}

input[type="email"]{
  width: 600px;
  border: 3px solid #d8d8d8;
  font-size: 18px;
  padding: 15px;
  display: block;
  margin: auto;
  border-radius: 999px;
  margin-bottom: 20px;
}

.btn{
  padding: 20px 60px;
  display: inline-block;
  background-color: #082b48;
  color: #fff;
  font-size: 24px;
  font-weight: bold;
  border-radius: 4px;
  border: none;
}

.btn:hover{
  opacity: 0.7;
  cursor: pointer;
}

.btn-register{
  background-color: #ec6d64;
  display: block;
  margin: auto;
}

/* footer */
footer{
  background-color: #082b48;
  color: #fff;
  padding: 20px 0;
}

.footer-right{
  float: right;
  font-size: 12px;
}

/* レスポンシブiPhoneX */
@media only screen and (max-width:767px) {
  .clear::after{
    content: none;
  }
  /* header */
  .header-left{
    float: none;
  }

  .header-title{
    text-align: center;
  }

  .header-right{
    float: none;
  }

  .header-nav{
    display: flex;
    justify-content: space-between;
  }

  .header-nav-item{
    float: none;
    margin: 0;
  }

  /* top */
.top{
  padding: 120px 0;
}

.top-title{
  font-size: 32px;
}

.top-subtitle{
  font-size: 14px;
}

/* section共通クラス */
.section{
  padding: 80px 0;
}

.section-title{
  font-size: 24px;
  font-weight: bold;
}

.section p{
  font-size: 14px;
}

/* about */
.about-left{
  float: none;
  width: 100%;
  margin-bottom: 20px;
}

.about-right{
  float: none;
  width: 100%;
}

/* course */
.course-wrapper{
  flex-wrap: wrap;
}

.course-item{
  width: 100%;
  margin-bottom: 20px;
}

/* contact */
input[type="email"]{
  width: 100%;
}

/* footer */
.footer-right{
  font-size: 10px;
  float: none;
  text-align: center;
}




}