@charset "utf-8";
.container {
  max-width: 980px;
  padding: 0 30px;
  margin: 0 auto;
}
.header_logo img {
width: 320px;
height: 320px;
margin-left: 54px 
}
.header_nav a {
color: #333333;
text-decoration: none;
}
.header_wrapper {
display: flex;
align-items: center;
justify-content: space-between;
}
.header_nav ul {
display: flex;
}
.header_nav li {
list-style: none;
font-size: 18px;
margin-left: 24px;
}
.header_nav li a {
margin-right: 20px;
}

.burger_menu {
  width: 100vw;
  height: 100vh;
  background-color: #2b86c5;
  display: flex;
  align-items: center;
  justify-content: center;
  display: none;
  position: absolute;
  top: 0;
}
.burger_menu ul li {
  list-style: none;
  margin: 24px 0;
  border-bottom: 2px solid #fff;
  padding: 12px;
}
.burger_menu ul li a {
  color: #fff;
  text-decoration: none;
  font-size: 32px;
}

.main_visual {
  background: url(images/architecture.png) no-repeat;
  background-size: cover;
  object-fit: cover;
  width: 100%;
  height: 520px;
  margin-bottom: 64px;
}
.main_visual h2 {
  color: #fff;
  font-size: 64px;
  text-align: center;
  align-items: center;
  padding: 180px;
}
h3 {
  text-align: center;
  font-size: 32px;
  margin: 64px 0;
}
.works_box {
  display: flex;
  justify-content: space-between;
}
.works_item {
  width: 30%;
}
.works_item ul {
  padding: 24px;
  font-size: 24px;
}
.works_item ul li {
  list-style: none;
  text-align: center;
  margin-bottom: 24px;
}
.strong_point {
  margin-bottom: 64px;
}
.strong_point_box {
  display: flex;
  justify-content: space-between;
  padding: 12px;
}
.strong_point_item {
  width: 26%;
  border: 1px solid #333;
  padding: 32px 24px;

}
.strong_point_item h4 {
  text-align: center;
  font-size: 20px;
  margin-bottom: 32px;
}
.strong_point_item p {
  font-size: 18px;
  line-height: 1.2;
}

.sdgs_image {
  width: 100%;
  height: 400px;
}
.sdgs_text {
  margin-top: 32px;
  font-size: 18px;
  text-align: center;
}


.admin h2 {
  font-size: 82px;
  color: #2c15da;
  text-align: center;
  margin-top: 124px;
}
.admin p {
  font-size: 18px;
  text-align: center;
}
.admin_image_wrapper {
  display: flex;
  justify-content: space-between;
  margin-top: 64px;
}
.admin_image_wrapper img {
  width: 40%;
  height: 460px;
}
.button {
  text-align: center;
  margin-top: 84px;
}
.btn,
a.btn,
button.btn {
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.5;
  position: relative;
  display: inline-block;
  padding: 1rem 4rem;
  cursor: pointer;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
  text-align: center;
  vertical-align: middle;
  text-decoration: none;
  letter-spacing: 0.1em;
  color: #212529;
  border-radius: 0.5rem;
  margin: 0 auto;
}

a.btn-gradient {
  font-weight: normal;

  color: #fff;
  border-radius: 0;
  background-image: linear-gradient(90deg, #ff3cac 40%, #562b7c 100%);
}

a.btn-gradient:after {
  position: absolute;
  top: 0;
  left: 0;

  width: 100%;
  height: 100%;

  content: "";
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
  background-image: linear-gradient(90deg, #ff3cac, #562b7c, #2b86c5);
}

a.btn-gradient span {
  position: relative;
  z-index: 1;
}

a.btn-gradient:hover {
  color: #fff;
}

a.btn-gradient:hover:after {
  opacity: 0;
}
footer {
  background-color: #302c2c;
  padding: 24px;
  margin-top: 124px;
}
.footer_wrapper p {
  color: #ffffff;
  font-size: 12px;
  text-align: center;
}
.insta {
  width: 50%;
  margin: 0 auto;
  padding-top: 64px;
}
.insta a {
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  border: 1px solid #302c2c;
}
.insta img {
  margin-right: 24px;
}





@media screen and (max-width: 960px) {
  .header_wrapper {
    display: block;
  }
  .header_logo {
    text-align: center;
  }
  .header_logo img {
    margin-left: 0;
  }
  .header_nav {
    display: none;
  }
  .container {
    padding: 0;
  }

  .burger {
    background-image: url(images/gnav-btn-open.png);
    background-repeat: no-repeat;
    width: 40px;
    height: 40px;
    position: absolute;
    top: 38px;
    margin-left: 24px;
    z-index: 1;
  }
  .burger.is-active {
    background-image: url(images/gnav-btn-close.png);
  }
  .burger_menu.is-active {
    display: flex;
  }



  .main_visual {
    height: 360px;
  }
  .main_visual h2 {
    font-size: 28px;
    padding: 180px 24px;
  }

  .works h3 {
    font-size: 24px;
  }
  .works_box {
    display: block;
  }
  .works_item {
    width: 100%;
  }
  .works_item ul li {
    font-size: 20px;
  }

  .strong_point h3 {
    font-size: 24px;
    margin: 32px 0 64px;
  }
  .strong_point_box {
    display: block;
    padding: 0;
  }
  .strong_point_item {
    width: 90%;
    padding: 18px;
  }
  .strong_point_item p {
    line-height: 1.5rem;
  }

  .admin h2 {
    font-size: 32px;
  }
  .admin h3 {
    font-size: 24px;
  }
  .admin p {
    text-align: start;
    line-height: 1.5rem;
    padding: 24px;
  }
  .admin_image_wrapper {
    display: block;
  }
  .admin_image_wrapper img {
    width: 100%;
    height: 380px;
    margin-bottom: 24px;
  }
}