@charset "UTF-8";
/* CSS Document */
html {
  font-size: 62.5%; /* 16px * 62.5% = 10px */
  width: 100%;
  overflow-y: scroll;
}
body {
  display: block;
  color: #717171; /* RGB */
  /* font-family: "游ゴシック体", YuGothic, "游ゴシック", "Yu Gothic", "メイリオ", sans-serif; 
  font-family: 'Monomaniac One', sans-serif;  */
  /*
  font-family: "Montserrat","Helvetica Neue",Arial,"Hiragino Kaku Gothic ProN","Hiragino Sans",Meiryo,sans-serif;  */
  /*font  */
  font-family: 'Josefin Sans', sans-serif;
  /*font-family: 'Lato', sans-serif;
  font-family: 'Oswald', sans-serif;*/
  text-shadow: 0px 1px 1px #919191;
  font-weight: 500;
  font-size: 1.6em;
  line-height: 2.4rem;
  text-align: center;
  overflow-x: hidden !important;
  background-size: cover;
  background: linear-gradient(-45deg, #f9c2eb, #a8c2ee, #c2f9d0) fixed;
 
  animation: GradietionAnimation 9s ease infinite;
}
@keyframes GradietionAnimation { 
  0%{background-position:0% 50%}
  50%{background-position:100% 50%}
  100%{background-position:0% 50%}
}
a {
  text-decoration: none;
  color: #717171;
}
a:hover {
  opacity: 0.5;
}
*, *:before, *:after {
  box-sizing: border-box;
}
main {
  width: 100%;
  margin: 0 auto;
}
.wrapper {
  width: 100%;
  min-width: 0;
  overflow-x: hidden;
}
/*button*/
.btn, a.btn, button.btn {
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.5;
  position: relative;
  display: flex;
  justify-content: flex-end;
  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;
  opacity: 0.4;
  margin-top: 60px;
}
a.btn-flat {
  overflow: hidden;
  padding: 1.3rem 5rem;
  color: #fff;
  border-radius: 0;
  background: #000;
}
a.btn-flat span {
  position: relative;
}
a.btn-flat:before {
  position: absolute;
  top: 0;
  left: 0;
  width: 700px;
  height: 700px;
  content: '';
  -webkit-transition: all .5s ease-in-out;
  transition: all .5s ease-in-out;
  -webkit-transform: translateX(-50%) translateY(-300px);
  transform: translateX(-50%) translateY(-300px);
  border-radius: 50%;
  background: #36476C;
}
a.btn-flat:hover:before {
  width: 1400px;
  height: 1400px;
  -webkit-transform: translateX(-1%) translateY(-575px);
  transform: translateX(-1%) translateY(-575px);
}
#page-top a {
  display: flex;
  justify-content: center;
  align-items: center;
  background: #707070;
  border-radius: 50px;
  width: 60px;
  height: 60px;
  color: #e6e6e6;
  text-align: center;
  text-transform: uppercase;
  text-decoration: none;
  font-size: 0.6rem;
  letter-spacing: 0.1rem;
  transition: all 0.3s;
  padding: 2px;
  
  backdrop-filter: blur(20px);
    background-color: rgba(100,100,100, 0.419);
    box-shadow: rgba(0, 0, 0, 0.3) 2px 8px 8px;
    
    border-bottom: 2px rgba(40,40,40,0.35) solid;
    border-right: 2px rgba(40,40,40,0.35) solid;
}
#page-top a:hover {
  -webkit-transform: translate(0, 3px);
  transform: translate(0, 3px);
  -webkit-box-shadow: 0 3px 5px rgba(0, 0, 0, .6);
  box-shadow: 0 3px 5px rgba(0, 0, 0, .6);
  opacity: 0.8;
}
.fa-chevron-up {
  font-style: normal;
  font-size: 1.4rem;
}
/*リンクを右下に固定*/
#page-top {
  position: fixed;
  right: 20px;
  z-index: 2;
  /*はじめは非表示*/
  opacity: 0;
  transform: translateY(100px);
}
/*　上に上がる動き　*/
#page-top.UpMove {
  animation: UpAnime 0.5s forwards;
}
@keyframes UpAnime {
  from {
    opacity: 0;
    transform: translateY(100px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
/*　下に下がる動き　*/
#page-top.DownMove {
  animation: DownAnime 0.5s forwards;
}
@keyframes DownAnime {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 1;
    transform: translateX(100px);
  }
}
/*--------------------------------
 ページトップ
---------------------------------*/
.page-top {
  font-weight: bold;
  padding: 10px;
  cursor: pointer;
  text-align: center;
  background-color: #707070;
  
}
.fa-solid.fa-chevron-up {
  font-size: 1.0rem;
  opacity: 0.7;
  letter-spacing: 0.1rem;
}
/*--------------------------------
 フッター
---------------------------------*/
.footer {
  padding: 30px;
  background-color: #333;
}
.copyright {
  font-size: 10px;
  text-align: center;
  color: #797979;
}
@media(max-width:767px) {
  a.btn-flat:before {
    position: absolute;
    top: 0;
    left: 0;
    width: 300px;
    height: 300px;
    content: '';
    -webkit-transition: all .5s ease-in-out;
    transition: all .5s ease-in-out;
    -webkit-transform: translateX(-50%) translateY(-150px);
    transform: translateX(-50%) translateY(-150px);
    border-radius: 50%;
    background: #36476C;
  }
  a.btn-flat:hover:before {
    width: 767px;
    height: 767px;
    -webkit-transform: translateX(-1%) translateY(-175px);
    transform: translateX(-1%) translateY(-175px);
  }
  #page-top {
    right: 10px;
    line-height: 0.2;
  }
  #page-top a {
    width: 40px;
    height: 40px;
    position: relative;
    display: block;
    padding-top: 15px;
  }
  .fa-solid.fa-chevron-up {
    font-size: 0.8rem;
  }
  /* フッター */
  .footer {
    position: relative;
    width: 100%;
  }
}
/* background  */