@charset "UTF-8";
/* CSS Document */

/* スマホナビ切り替えサイズ 769px */
body {
	min-width: 100%;
    overflow-x: hidden;
}
img {
    height: auto;
}
.header_sub_area {
	position: relative;
	height: 87px;
}
#header_sub {
  height: 49px;
}
.header_bottom {
  height: 48px;
  top: 48px;
  left:50%;
  transform: translateX(-50%);
  background: url(../images/smt_header_arch.png) no-repeat top center / 500px auto;
}
.header_bottom::before,.header_bottom::after {
	height: 48px;
}

.sub_main_img {
	margin-top: -34px;
	height: 201px;
}

.logo_sub a {
  width: 200px;
  height: 75px;
  left: 0;
  top: 47px;
}
.logo_sub a img {
	width:80px;
}
.logo_sub a .txt{
  font-size: 1.2rem;
  padding-bottom: 30px;
}

.header_bottom::after {
	width: calc(50% - 200px);
}
.header_bottom::before {
	width: calc(50% - 50px);
}

.select_box {
	right: 70px;
	top: 15px;
}
@media screen and (max-width: 460px) {
.select_box select {
	padding: 3px 0 3px 7px;
	font-size: 1.2rem;
}
.select_box {
	width: 45px;
	height: 21px;
  right: 65px;
  top: 15px;
}
.select_box::before {
	right: 6px;
	width: 6px;
	height: 5px;
  top: 7px;
}
}