body {
  width: auto;
  height: auto;
   background-size: cover;               /* 全画面 */
   background-attachment: local;         /* 固定 */
   background-position: center center;   /* 縦横中央 */
}
/* :root はグローバルの CSS 変数を宣言する */
:root {
  --header: 60px;
  scroll-padding: var(--header);
  --header-pc: 80px;
}

/*Top Pageに戻る*/
#page_top{
  width: 45px;
  height: 45px;
  position: fixed;
  right: 0;
  bottom: 100px;
  border-radius: 50px;
  background: #666565;
  /* opacity: 0.6; */
  z-index: 9999;
}
#page_top a{
  position: relative;
  display: block;
  /* width: 100px; */
  height: 67px;
  text-decoration: none;
}
#page_top a::before{
  font-family: 'Font Awesome 5 Free';
  font-weight: 900;
  content: '\f102';
  font-size: 25px;
  color: #fff;
  position: absolute;
  width: 25px;
  height: 25px;
  top: -25px;
  bottom: 0;
  right: 0;
  left: 0;
  margin: auto;
  text-align: center;
}
#page_top a::after{
  /* content: 'PAGE TOP'; */
  font-family: Zapfino;
  font-size: 8px;
  color: #fff;
  position: absolute;
  top: 45px;
  bottom: 0;
  right: 0;
  left: 0;
  margin: auto;
  text-align: center;
}
/*Top Pageに戻る(終)*/

/*リンクボタン*/
a.changelink{
  text-decoration: white;
  color: rgb(244, 239, 239);
  font-family: Zapfino;
  font-size: 12px;
  animation: SlideIn 1.6s;
}
/*リンクボタン(カーソル指定時)*/
a.changelink:hover{
  text-decoration: rgb(130, 180, 237);
  color: rgb(130, 180, 237);
  font-family: Zapfino;
  font-size: 12px;

}
@keyframes SlideIn { /*animation-nameで設定した値を書く*/
  0% {
    opacity: 0;
    transform: translateY(64px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}