header {
  background-image:url(../image/common/header_bg_sp.svg);
  background-repeat:no-repeat;
  background-size:cover;
  background-position:top center;
}


/*===================================
各種アニメーション
===================================*/
/* ボタン効果 */
.btn{
  text-transform: uppercase;
  transition: 0.5s;
  background-size: 200% auto;
}
.btn:hover{
  background-position: right center; /* change the direction of the change here */
}  
.btn_sub{
  background-image: var(--btn-sub-bg-color);
}
.btn_main{
  background-image: var(--btn-main-bg-color);
}
.btn_white{
  position: relative;
  overflow: hidden;
}
.btn_white::before{
  content: '';
  position: absolute;
  top: 0;
  left: -75%;
  width: 50%;
  height: 100%;
  background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,.3) 100%);
  transform: skewX(-25deg);
}
.btn_white:hover::before {
  animation: shine 0.7s;
}
@keyframes shine {
  100% {
    left: 125%;
  }
}

/* 小さく */
.scale{
  transition: .5s;
}
.scale:hover{
  transform: scale(0.9);
  transition: .5s;
}
.scale_only_image:hover .blog_item_image{
  transform: scale(0.9);
  transition: .5s;
}
.scale_only_image .blog_item_image{
  transition: .5s;
}
.scale_only_image:hover .sidebar_blog_item_image{
  transform: scale(0.9);
  transition: .5s;
}
.scale_only_image .sidebar_blog_item_image{
  transition: .5s;
}

/* 背景固定 */
.bg_fixed{
    background-repeat: no-repeat;
    background-attachment: fixed;
}

/* スライドイン */
.slidein{
  opacity: 0;
}
.slidein.active{
  opacity: 1;
  animation: SlideIn 1s;
}
@keyframes SlideIn {
  0% {
    transform: translateX(64px);
  }
  100% {
    transform: translateX(0);
  }
}

/* 背景が出てから表示 */
.heading_wrap{
	/* display: inline-block; */
	animation-name:heading_wrapAnimeBase;
	animation-duration:1s;
	animation-fill-mode:forwards;
	position: relative;
	opacity:0;
}
@keyframes heading_wrapAnimeBase{
	  from {
		opacity:0;
	  }

	  to {
		opacity:1;  
	}
}
.text_appear{
  animation-name:heading_wrapAnimeSecond;
  animation-duration:1s;
  animation-delay: 0.6s;
  animation-fill-mode:forwards;
  opacity: 0;
}
@keyframes heading_wrapAnimeSecond{
  0% {
	  opacity: 0;
	  }
	  100% {
	  opacity: 1;
	}
}
.text_bg_extend::before{
	animation-name:bgDUextendAnime;
	animation-duration:1s;
	animation-fill-mode:forwards;
	content: "";
	position: absolute;
	width: 100%;
	height: 100%;
	background: var( --black-color-primary );
}
.extend_white.text_bg_extend::before{
    background: var( --white-color-primary );
}
@keyframes bgDUextendAnime{
  0% {
    transform-origin:left;
    transform:scaleX(0);
  }
  50% {
    transform-origin:left;
    transform:scaleX(1);
  }
  51% {
    transform-origin:right;
	  transform:scaleX(1);
  }
  100% {
    transform-origin:right;
    transform:scaleX(0);
  }
}
/* 背景が出てから表示要素に透過0を指定 */
.heading_wrap,
.heading_wrap h2,
.heading_wrap h3,
.heading_wrap p{
    opacity: 0;
}

/* フェードアップ */
.fadeUp{
	animation-name:fadeUpAnime;
	animation-duration:1s;
	animation-fill-mode:forwards;
	opacity:0;
}
@keyframes fadeUpAnime{
  from {
    opacity: 0;
  	transform: translateY(100px);
  }

  to {
    opacity: 1;
  	transform: translateY(0);
  }
}
/* フェードアップ要素に透過0を指定 */
.js-fadeUpTrigger,
.js-fadeUpTrigger-2{
    opacity: 0;
}