/*====================
共通部分
====================*/

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

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

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

a:hover {
  opacity: 0.7;
}

.container {
  width: 90%;
  max-width: 960px;
  margin: auto;
}

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

/*====================
header
====================*/
header {
  padding: 20px 0; 
}

.header-left {
  float: left;
}

.header-title {
  font-size: 32px;
  font-weight: bold;
}

.header-right {
  float: right;
}

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

.header-nav-item a {
  font-size: 15px;
  font-weight: 600;
  line-height: 48px;
}

/*====================
top
====================*/
.top {
  background-image: url(../img/main-vsual-nontitle.png);
  padding: 80px 0;
}

.top-title {
  font-size: 48px;
  text-align: center;
  font-weight: bold;
  margin: 0 0 20px;
  line-height: 48px;
}

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

/*====================
about
====================*/
.about {
  margin: 60px 0;
}

.section-title {
  font-size: 32px;
  text-align: center;
  margin: 0 0 40px;
  font-weight: bold;
}

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

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

/*====================
course
====================*/
.course {
  padding: 60px 0;
  background-color: #e3fcf4;
}

.course-warpper {
  display: flex;
  justify-content: space-between;
}

.course-item {
  width: 30%;
}

/*====================
contact
====================*/
.contact {
  padding: 60px 0;
}

.section-title {
  margin-bottom: 40px;
}

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

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

.btn {
  font-size: 24px;
  color: #fff;
  font-weight: bold;
  padding: 20px 60px;
  border: none;
  border-radius: 3px;
}

.btn-register {
  background-color: #ec6d64;
  margin: 0 auto;
  display: block;
}

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

.copyright {
  font-size: 12px;
  color: #fff;
  text-align: right;
  margin-right: 40px;
}

/*====================
スマホ用
====================*/
@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;
    margin-bottom: 20px;
  }

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

  /*====================
  section
  =====================*/

  .section {
    padding: 80px 0;
  }

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

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

  /*====================
  about
  ====================*/
  .section-title {
    font-size: 24px;
  }

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

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

  /*====================
  course
  ====================*/
  .section-title {
    font-size: 24px;
  }

  .course-warpper {
    flex-wrap: wrap;
  }

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

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

  .btn {
    margin: auto;
  }
  /*====================
  footer
  ====================*/
  .copyright {
    font-size: 10px;
    text-align: center;
    float: none;
    max-width: 0;
  }
}