body {
  margin: 0;
  font-size: 16px;
  font-family: 'M PLUS Rounded 1c', sans-serif;
  color: #333;
}

/* header */


header {
  box-sizing: border-box;
  background: #fff;
  width: 100%;
  height: 60px;
  padding: 20px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #d0d0d0;
}

header img {
  height: 25px;
}

.sp_view {
  color: #4fc1e7;
  font-size: 18px;
}

section {
  padding: 0 0 15px;
  text-align: center;
}

.header_img {
  background-image: url('../img/header_index3_sp.jpg');
  width: 100%;
  height: calc(200vw/3);
  background-repeat: no-repeat;
  background-size: auto 100%;
}

section img {
  width: 100%;
}

section h1 {
  font-size: 22px;
  color: #33a7ce;
  padding: 0 15px;
}

section .logo {
  display: none;
}

/* footer */

footer {
  height: 200px;
  padding-top: 15px;
  text-align: center;
  background: #f3e8d9;
}

footer img {
  width: 150px;
  margin-top: 10px;
}

.text_copyright {
  font-size: 12px;
}


/* btn_age */


.btn_age_yes {
  display: block;
  width: 70%;
  background: #ff6f76;
  font-size: 22px;
  line-height: 22px;
  margin: 0 auto 20px;
  padding: 15px 35px;
  border-radius: 30px;
  cursor: pointer;
  box-shadow: 0px 0px 0px 4px #ff6f76;
  border: dashed 1px #FFF;
}

a {
  text-decoration: none;
  color: #fff;
}

.btn_age_yes:hover {
  opacity: 0.8;
}

.btn_age_no {
  text-decoration: none;
}

.btn_age_no a {
  color: #806a4a;
}

.btn_age_no:hover {
  opacity: 0.8;
}


/* media */


@media (min-width: 1025px) {

  body {
    font-family: 'Noto Sans JP', sans-serif;
  }
  
  .wrapper {
    background: center / cover url('../img/header_index3.jpg');
    height: 100vh;
  }

  .container {
    width: 400px;
    position: absolute;
    top: 100px;
    left: 100px;
  }

  header {
    display: none;
  }

  .header_img {
    display: none;
  }

  section h1 {
    color: #da5e5e;
  }

  section img {
    display: none;
  }

  section .logo {
    display: block;
    width: 220px;
    margin: 0 auto;
  }

  .sp_view {
    display: none;
  }

  .btn_age_yes {
    max-width: 400px;
  }

  footer {
    background: rgba(0,0,0,0);
  }

}