#footer{
  text-align: center;
  border-top: solid 1px #ddd;
  background-color: #fff;
  padding:30px 0 0;
  margin-top:50px;
  font-size:10px;
}

@media screen and (max-width: 767px) {
  iframe{
    height: 1040px;
  }
  div#optical-line {
    margin-top:30px;
    padding-top:30px;
  }
  #footer img{ width:200px;}
}

/* button
--------------------------------------------------------- */
.btn-wrap {
  width: 500px;
  margin: 0 auto;
}
.btn-wrap div.btn{
  width: 500px;
  margin: 0 auto;
  font-size: 1.2em;
}
a.btn-or {
  padding: 15px 0;
  display: block;
  position: relative;
  color: #fff !important;
  font-weight: bold;
  font-size:1.2em;
  text-align: center;
  text-decoration: none !important;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
  box-shadow: 0 3px 5px rgb(0 0 0 / 50%);
  border-radius: 100vh;
}
.btn-or::after{
  content: '';
  border: 0;
  border-top: solid 4px #fff;
  border-right: solid 4px #fff;
  display: inline-block;
  width: 12px;
  height: 12px;
  position: absolute;
  top: 50%;
  right: 30px;
  transform: translateY(-50%) rotate(45deg); 
}
a.btn-or {
  background-color: #faab2c;
}
a.btn-or:hover {
  box-shadow: none;
  transform: scale(0.99, 0.99) translateY(2px);
}
@media screen and (max-width: 767px) {
  .btn-wrap {
    width: 90%;
  }
  .btn-wrap div.btn{
    width: 100%;
    padding: 0;
  }
}

/* header
--------------------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  margin: auto;
  min-width: 768px;
  max-width: 100%;
  background: #fff;
  box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
  z-index: 2;
}
.header .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 50px;
  max-width: 1200px;
  margin:0 auto;
}
.header .gnav > ul {
  display: flex;
  list-style: none;
  margin: 0;
}
.header .gnav > ul a{
  color: #222;
  font-weight: bold;
  text-decoration: none;
  display: block;
  padding: 14px 15px;
}
.header .gnav > ul li:last-child {
background-color: #faab2c;
}
.header .gnav > ul li:last-child a {
  color: #fff;
}
.header .gnav > ul a:hover{
  background-color: #faab2c;
  color: #fff;
  transition: 0.5s;
}
.header .gnav > ul li:last-child a:hover {
  color: #222;
  transition: 0.5s;
}
.l-main-contents{
  padding: 0;
}
@media screen and (max-width: 767px) {
	.nav-btn {
		display: block;
		width: 30px;
    margin-right: 18px;
	}
	.nav-btn div {
		background: #888;
		border-radius: 10px;
		height: 4px;
		margin: 6px 0;
	}
  .header {
    min-width: auto;
  }
	.header .wrap {
	  height: 60px;
	}
	.header .gnav {
		position: absolute;
		top: 100%;
		left: 0;
		background: #fafafa;
		width: 100%;
		border-bottom: 1px solid #faab2c;
		opacity: 0;
		transition: .2s;
		visibility: hidden;
    z-index: 2;
	}
	.open .header .gnav {
		opacity: 1;
		visibility: visible;
	}
	.header .gnav > ul {
		display: block;
    padding-left:0;
	}
	.header .gnav > ul li{
		border: none !important;
	}
	.header .gnav > ul li a{
    position: relative;
		border-top: 1px solid #faab2c;
		padding: 0 20px;
		display: flex;
		align-items: center;
		height: 50px;
		font-size: 12px;
	}  
/* ▲ */
  .header .gnav > ul li a::after{
      content: '';
      display: inline-block;
      border-style: solid;
      border-width: 8px 0 8px 8px;
      border-color: transparent transparent transparent #faab2c;
      width: 0;
      height: 0;
      position: absolute;
      top: 50%;
      right: 24px;
      transform: translateY(-50%); 
  }
  .header .gnav > ul li:last-child a::after{
      border-color: transparent transparent transparent #fff;
  }
}