@charset "UTF-8";

/*========= base ===========*/

.design-D{
    display: none;
}
.design-C{
    display: block;
}

html {
  margin: 0;
  padding:0;
}

body {
  margin: 0;
  padding: 0;
  font-family: "Yu Gothic", "游ゴシック", YuGothic, "游ゴシック体", sans-serif;
  font-weight: 500;
  color: #333;
  line-height: 2.0;
}

h2,h3,h4,h5 {
  margin: 0;
  padding: 0;
}

figure {
  margin: 0;
}

img {
  width: 100%;
  vertical-align: bottom;
}

ul,li,dl,dt,dd {
  margin:0;
  padding:0;
  list-style: none;
}

a { 
  text-decoration: none;
  color: #000;
}

a:hover { 
  transition: .3s;
  opacity: 0.6;
}

section {
  margin-bottom: 120px;
}

.content-wrapper {
   width: 1400px;
   margin: 0 auto;
 }
.header h1{
    color: white;
}
 .header-nav {
    height: 100px;
    display: flex;
    justify-content: space-between;
    align-items: center;
 }
 
 .header nav ul {
    display: flex;
    justify-content: space-between;
    align-items: center;
 }
 
 .header nav ul li {
    margin-right: 50px;
 }

 .mainvisual {
    position: relative;
    height: 600px;
 }
 
 .mainvisual img {
    width: 70%;
    height: 500px;
    object-fit: cover;
    margin-left: 30%;
 }
 
 .mainvisual h2 {
    position: absolute;
    top: 30%;
    left: 20%;
    background: rgba(255, 255, 255, 0.6);
    font-size: 3rem;
    padding: 1rem;
 }
 
 .bg1 {
    background: rgb(69, 69, 223);
    height: 700px;
    width: 45%;
    position: absolute;
    top: -18%;
    left: 0;
    z-index: -1;
 }

 .greeting h2 {
    margin-bottom: 50px;
    text-align: center;
   }
   
   .greeting .contents {
    display: flex;
    width: 100%;
    justify-content: space-between;
    margin: 0 auto;
    align-items: center;
   }
   
   .greeting .contents figure {
    width: 50%;
   }
   
   .greeting .content {
    width: 48%;
   }