@charset "utf-8";
body {
  overflow: hidden;
}

.randomBox, .randomScroll {
  display: flex;
  flex-wrap: wrap;
  width: 85%;
  margin: auto;
  margin: auto;
  justify-content: space-evenly;
  padding: 10% 0;
}

.box {
  margin: 0 20px 20px 20px;
  color: #fff;
  box-sizing: border-box;
  list-style: none;
  width: 20vw;
  height: 20vw;
  overflow: hidden;
}

.box {
  opacity: 0;
}

.fadeUp {
  animation-name: fadeUpAnime;
  animation-duration: 0.75s;
  animation-fill-mode: forwards;
  opacity: 0;
}

@keyframes fadeUpAnime {
  from {
    opacity: 0;
    transform: translateY(100px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.area {
  background-color: #ffffff;
  overflow: hidden;
  width: 100%;
  height: 100vh;
  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: center;
  position: relative;
  text-align: center;
  margin-bottom: 10vh;
}

.area p {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 200;
  font-size: 1.1rem;
}

.sp-br {
  display: none;
}

.scroll_wrap {
  position: relative;
  height: 20%;
}

.scrolldown3 {
  position: absolute;
  top: 15%;
  right: 0;
  animation: mousemove 1.6s ease-in-out infinite;
}

@keyframes mousemove {
  0% {
    bottom: 10px;
  }
  50% {
    bottom: 5px;
  }
  100% {
    bottom: 10px;
  }
}

.scrolldown3 span {
  position: absolute;
  left: -15px;
  bottom: 45px;
  color: #444444!important;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
}

.scrolldown3 span::after {
  content: "";
  position: absolute;
  top: 10px;
  left: 17px;
  width: 1px;
  height: 15px;
  background: #444444!important;
  animation: mousepathmove 1.4s linear infinite;
  opacity: 0;
}

@keyframes mousepathmove {
  0% {
    height: 0;
    top: 10px;
    opacity: 0;
  }
  50% {
    height: 15px;
    opacity: 1;
  }
  100% {
    height: 0;
    top: 30px;
    opacity: 0;
  }
}

.scrolldown3:before {
  content: "";
  position: absolute;
  bottom: 0;
  left: -10px;
  width: 25px;
  height: 37px;
  border-radius: 10px;
  border: 1px solid #444444!important;
}

.scrolldown3:after {
  content: "";
  position: absolute;
  bottom: 26px;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  border: 1px solid #444444!important;
}

.random-wrap {
  width: 100%;
  background: #e2fffe;
}

.image {
  width: 100%;
  object-fit: cover;
  height: 100%;
}

.button_area {
  margin-top: 70px;
  width: 85%;
  margin: auto;
  padding-bottom: 5%;
}

.button_area a {
  writing-mode: horizontal-tb;
}

.btntextchange {
  position: relative;
  border: 1px solid #333333;
  border-radius: 25px;
  min-width: 210px;
  padding: 20px;
  text-align: center;
  display: inline-block;
  text-decoration: none;
  color: #333333;
  outline: none;
  transition: all .2s;
}

.btntextchange:hover {
  background: #333333;
  color: #fff;
}

.btntextchange span {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  transition: all .5s;
  display: block;
  white-space: nowrap;
}

.btntextchange span:nth-child(2) {
  opacity: 0;
}

.btntextchange:hover span:nth-child(1) {
  opacity: 0;
}

.btntextchange:hover span:nth-child(2) {
  opacity: 1;
}