/*-------------------右下に動画固定（動画）-----------------------------------*/
.fixed_btn { 
  position: fixed;
  bottom: 10px;
  right: -230px;
  z-index: 9999;
  width: 700px;
  aspect-ratio: 16 / 9;
}

.fixed_btn iframe {
  width: 100%;
  height: 100%;
  display: block;
  border: 0;
}

/***************ボタン表示****************************/
.link_1 {
	//line-height: 2.5;
	color: #fff;
	font-size: 16px;
	font-weight: bold;
	background: #449e3f;
	padding: 5px 10px;
	border-radius: 10px;

	transition: .3s;
	}
.link_1:hover {
	opacity: 0.6;
	text-decoration: none;/*下線消す*/
	}


/*黄色下線、数値が低いほど太くなる*/
    .under1 {
      background: linear-gradient(transparent  50%, #ffff00  50%);
    }