@charset "UTF-8";
/* CSS Document */
html, body, h1, h2, p, ul, li {
  margin: 0;
  padding: 0;
  line-height: 1.0;
}
ul {
  list-style: none;
}
a {
  text-decoration: none;
  color: inherit;
}
img {
  border: none;
  vertical-align: bottom;
  max-width: 100%;
}
html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}
body {
  background: #fff;
  color: #333;
  font-size: 1.6rem;
  font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
}


.full {
  position: relative;
  width: 100%;
  min-height: 100vh;
  background: url("../img/idiom_img_01.jpg")center / cover;
}
.idiom {
  margin: 0 auto;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 550px;
}
.idiom img {
  width: 100%;
  height: auto;
}

.content {
  margin: 70px auto;
  width: 850px;
}
.section {
  width: 100%;
  margin-bottom: 4em;
  border-bottom: #b5cdea solid 2px;
}
.section img {
  width: 100%;
  height: auto;
}
h2 {
  font-size: 20px;
  margin-bottom: 25px;
}
.catch {
  display: flex;
  align-items: center; /* 垂直中心 */
  justify-content: flex-start; /* 水平中心 */
}
.catch:before {
  border-top: 1px solid;
  content: "";
  width: 3em; /* 線の長さ */
}
.catch:before {
  margin-right: 1em; /* 文字の右隣 */
}
.catch:after {
  margin-left: 1em; /* 文字の左隣 */
}
.section p {
  margin: 1em;
  font-size: 14px;
  line-height: 1.5;
}



/* スクロールダウン */
.scroll_down {
  position: relative;
  width: 100%;
  height: 100vh;
  background-position: 50% 50%;
  background-repeat: no-repeat;
  background-size: cover;
}
.scroll_down:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 80%;
  background: linear-gradient(180deg, rgba(#000, 0) 0, rgba(#000, .8) 80%, rgba(#000, .8) 100%);
}
.scroll_down a {
  display: inline-block;
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 2;
  width: 13px;
  padding: 10px 10px 90px;
  color: #000;
  font-size: 14px;
  font-family: 'Josefin Sans', sans-serif;
  line-height: 1;
  letter-spacing: .2em;
  text-transform: uppercase;
  text-decoration: none;
  writing-mode: vertical-lr;
  transition: .2s;
  overflow: hidden;
  margin: auto;
}
.scroll_down a:before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 1px;
  height: 80px;
  background: #ddd;
}
.scroll_down a:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 1px;
  height: 80px;
  background: #000;
}
.scroll_down a:hover {
  opacity: .5;
}
#type01 a:after {
  animation: sdl01 1.5s cubic-bezier(1, 0, 0, 1) infinite;
}
@keyframes sdl01 {
  0% {
    transform: scale(1, 0);
    transform-origin: 0 0;
  }
  50% {
    transform: scale(1, 1);
    transform-origin: 0 0;
  }
  50.1% {
    transform: scale(1, 1);
    transform-origin: 0 100%;
  }
  100% {
    transform: scale(1, 0);
    transform-origin: 0 100%;
  }
}
/* スクロールダウンここまで */

@media screen and (max-width: 768px) {
  
  .idiom {
    width: 70%;
  }
  .content {
    margin: 50px auto;
    width: 90%;
  }
    
}

@media screen and (max-width: 599px) {
  
  .idiom {
    width: 65%;
  }
  .content {
    margin: 50px auto;
    width: 90%;
  }
    
}