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

@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@200..900&display=swap');

.mincho{
  font-family: "Noto Serif JP", serif;
}
html,
body{
  overflow-x: hidden;
}
html{ scroll-behavior: auto !important;}
body{
  font-family: -apple-system, BlinkMacSystemFont, Roboto, "Segoe UI", "Helvetica Neue", HelveticaNeue, YuGothic, "Yu Gothic Medium", "Yu Gothic", Verdana, Meiryo, sans-serif;
  font-feature-settings: "palt";
  -webkit-font-feature-settings: "palt";
  letter-spacing: 1px;
  color: #000 !important;
  position: relative;
}


/*================================
HEADER
================================*/
#header{
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  width: 100%;
  transition: .4s ease;
}
.navbar-brand{
  position: absolute;
  top: 0;
  left: 0;
  font-weight: bold;
  background-color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-right: 0;
  padding-left: .5rem;
  padding-right: .5rem;
}
.navbar-brand a{
  color: #1E73DC;
  text-decoration: none;
  display: flex;
  align-items: center;
}
.navbar-brand a img{
  margin-right: .5rem;
}
.navbar-nav .nav-link{
  position: relative;
  color: #fff;
  font-weight: bold;
}
.navbar-nav .nav-link::after{
  content: '';
  display: inline-block;
  position: absolute;
  left: 50%;
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);
  bottom: -3px;
  width: 30px;
  height: 2px;
  background-color: #1E73DC;
  opacity: 0;
}
.navbar-nav .nav-link:hover::after{
  opacity: 1;
}
#hd_tel{
  color: #fff;
  font-weight: bold;
}
#hd_tel .tel_num{
  font-size: 1.1rem;
  margin-left: .25rem;
}
@media (min-width: 992px) and (max-width: 1199px){
  .navbar-nav .nav-link{
    font-size: .9rem;
  }
}
@media (min-width: 992px){
  #header,
  .navbar-brand{
    height: 75px;
  }
  .navbar{
    padding-top: 2rem;
    padding-bottom: 0;
  }
  .navbar-collapse{
    padding-right: .5rem;
    justify-content: flex-end;
  }
  .navbar-nav .nav-link{
    filter: drop-shadow(1px 1px 3px rgba(34, 34, 34, 0.5));
  }
  #hd_tel{
    position: absolute;
    top: .6rem;
    right: 1rem;
  }
}
@media (min-width: 768px) and (max-width: 991px){
  #header,
  .navbar-brand{
    height: 60px;
  }
  .navbar-toggler{
    width: 60px;
    height: 60px;
  }
}
@media (min-width: 768px){
  .navbar-brand{
    width: 365px;
  }
  .navbar-brand a img{
    width: 60px;
  }
  #hd_anniv{
    width: 80px;
    margin-left: 1.5rem;
  }
}
@media (max-width: 991px){
  .navbar{
    padding: 0;
  }
  .navbar-collapse{
    padding: 70px 1rem 1rem;
  }
  .navbar-toggler{
    position: absolute;
    top: 0;
    right: 0;
    background-color: #1E73DC;
    border-radius: 0;
    border: none;
    z-index: 100;
  }
  .navbar-toggler[aria-expanded="true"]{ background: transparent;}
  .navbar-toggler:focus,
	.navbar-toggler:hover{
		outline: none;
		box-shadow: none;
	}
  .navbar-toggler	.navbar-toggler-icon{
		position: absolute;
		content: '';
		height: 2px;
		width: 26px;
		background: #fff;
		text-align: center;
    top: 50%;
    left: 50%;
    -webkit-transform: translateY(-50%) translateX(-50%);
    transform: translateY(-50%) translateX(-50%);
	}
	.navbar-toggler	.navbar-toggler-icon::before,
	.navbar-toggler	.navbar-toggler-icon::after {
		position: absolute;
		content: '';
		height: 2px;
		width: 26px;
		left: 0;
		transition: all .3s ease-in;
		background: #fff;
	}
	.navbar-toggler[aria-expanded="false"] .navbar-toggler-icon::before { top: -8px;}
	.navbar-toggler[aria-expanded="false"] .navbar-toggler-icon::after { bottom: -8px;}
	.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon{ background: none;}
	.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::before {
		transform: rotate(25deg);
		top: 0;
	}
	.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::after {
		transform: rotate(-25deg);
		bottom: 0;
	}
  .navbar-collapse{
    background-color: rgba(30, 115, 220, .9);
  }
  #hd_tel{
    max-width: 200px;
    border: #fff 1px solid;
    text-align: center;
    padding: .5rem;
    margin: 1rem auto;
  }

}
@media (max-width: 767px){
  #header,
  .navbar-brand{
    height: 50px;
  }
  .navbar-brand a img{
    width: 40px;
  }
  .navbar-brand a span{
    font-size: 1rem;
  }
  #hd_anniv{
    width: 60px;
    margin-left: .5rem;
  }
  .navbar-toggler{
    width: 50px;
    height: 50px;
  }
}
/*スクロールでヘッダー背景あり
================================*/
#header.is-show{
  background-color: #fff;
  box-shadow: 0 5px 10px rgba(177, 177, 177, 0.15);
}
#header.is-show .navbar-nav .nav-link{
  filter: none;
}
@media (min-width: 768px){
  #header.is-show .navbar-nav .nav-link{
    color: #000;
  }
  #header.is-show .navbar-nav .nav-link:hover{
    color: #1E73DC;
  }
  #header.is-show #hd_tel{
    color: #1E73DC;
  }
}

/*================================
MAIN
================================*/
#main{
	position: relative;
	z-index: 1;
}
@media (min-width: 768px){
  #main section{ padding: 80px 0;}
}
@media (max-width: 767px){
  #main section{ padding: 50px 0;}
}

/*見出し
================================*/
.sect_ttl{
  margin-bottom: 2rem;
}
.sect_ttl span{
  color: #1E73DC;
  font-weight: bold;
  display: block;
  margin-bottom: .25rem;
}
.sect_ttl h2{
  font-weight: bold;
  margin-bottom: 0;
}

/*ボタン
================================*/
.btn_detail{
  color: #666;
  border: #B1B1B1 1px solid;
  border-radius: 0;
  background-color: #fff;
  width: 100%;
  max-width: 280px;
  margin-top: 2rem;
  margin-left: auto;
  margin-right: auto;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.btn_detail span{
  border: #B1B1B1 1px solid;
  border-radius: 50%;
  width: 35px;
  height: 35px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.btn_detail span i{
  color: #B1B1B1;
  font-size: .75rem;
}
@media (hover: hover){
  .btn_detail:hover{
    color: #fff;
    background-color: #1E73DC;
    border-color: #1E73DC;
  }
  .btn_detail:hover span{
    border-color: #fff;
  }
  .btn_detail:hover span i{
    color: #fff;
  }
}
@media (min-width: 768px){
  .btn_detail{
    padding: .8rem 1rem;
  }
}
@media (max-width: 767px){
  .btn_detail{
    padding: .5rem .75rem;
  }
}

/*下層ページタイトル
================================*/
#page_mv{
  position: relative;
  background-size: cover;
  background-position: center;
}
#privacy #page_mv{
  background-image: url("../img/privacy/mv.jpg");
}
#partner #page_mv{
  background-image: url("../img/partner/mv.jpg");
}
#company #page_mv{
  background-image: url("../img/company/mv.jpg");
}
#history #page_mv{
  background-image: url("../img/history/mv.jpg");
}
#construction #page_mv{
  background-image: url("../img/construction/mv.jpg");
}
#works #page_mv{
  background-image: url("../img/works/mv.jpg");
}
#contact #page_mv{
  background-image: url("../img/contact/mv.jpg");
}
#page_mv::after{
  content: '';
  display: inline-block;
  width: 50%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  background: linear-gradient(to right, rgba(30, 115, 220, .3) 0%, rgba(30, 115, 220, .3) 10%, rgba(0, 0, 0, 0) 100%);
  mix-blend-mode: multiply;
}
#page_mv .container{
  position: absolute;
  top: 0;
  left: 50%;
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);
  height: 100%;
  z-index: 1;
  display: flex;
}
#page_ttl{
  color: #fff;
  filter: drop-shadow(1px 1px 3px rgba(34, 34, 34, 0.5));
}
#page_ttl p{
  font-weight: bold;
  margin-bottom: .2rem;
}
#page_ttl h1{
  font-weight: bold;
  margin-bottom: 0;
}
@media (min-width: 768px){
  #page_mv{
    height: 400px;
  }
  #page_mv .container{
    align-items: center;
  }
}
@media (max-width: 767px){
  #page_mv{
    height: 230px;
  }
  #page_mv .container{
    align-items: flex-end;
  }
  #page_ttl{
    margin-bottom: 1rem;
  }
}
/*タイトル
================================*/
/*四角タイトル*/
.square_ttl{
  position: relative;
  color: #1E73DC;
  font-size: 1.3rem;
  padding-left: 1.3rem;
  margin-bottom: 1rem;
}
.square_ttl::after{
  content: '';
  display: inline-block;
  width: 13px;
  height: 13px;
  background-color: #1E73DC;
  position: absolute;
  top: 6px;
  left: 0;
}
.square_ttl:not(:first-child){
  margin-top: 2.5rem;
}

/*================================
FOOTER
================================*/
#footer{
  padding-top: 20px;
  border-top: #CACACA 1px solid;
}
#ft_logo{
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
}
#ft_logo img{
  width: 70px;
  margin-right: .5rem;
}
#ft_logo span{
  color: #1E73DC;
  font-weight: bold;
}
#ft_link{ margin-top: 1.5rem;}
#ft_link ul{
  list-style: none;
  padding-left: 0;
}
#ft_link ul li a{
  color: #000;
  text-decoration: none;
}
#ft_link ul li a i{
  font-size: .75rem;
  margin-left: .25rem;
}
#ft_link ul li a:hover{
  color: #1E73DC;
}
#copyright{
  padding: .5rem 0;
}
@media (min-width: 992px){
  #ft_wrap{
    display: flex;
    justify-content: space-between;
  }
}
@media (min-width: 768px){
  #ft_logo img{
    width: 60px;
  }
  #ft_logo{
    font-size: 1.25rem;
  }
  #ft_link ul{
    display: flex;
    justify-content: flex-end;
  }
  #ft_link ul li{
    margin-left: 1.5rem;
  }
  
  #copyright{
    font-size: .7rem;
  }
}
@media (max-width: 991px){
  #footer .container{
    max-width: 100%;
  }
}
@media (max-width: 767px){
  #ft_logo img{
    width: 40px;
  }
  #ft_logo span{
    font-size: 1rem;
  }

  #ft_add p{
   font-size: .85rem;
  }
  #ft_link{
    display: flex;
  }
  #ft_link ul:not(:last-child){
    margin-right: 1rem;
  }
  #ft_link ul li a{
    font-size: .9rem;
  }
  #copyright{
    font-size: .55rem;
    text-align: center;
    display: block;
  }
}

/*PAGE TOP
================================*/
#pagetop{
  height: 55px;
  width: 55px;
  position: fixed;
  right: 0;
  bottom: 0;
  background: rgba(30, 115, 220, .8);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 2;
  cursor: pointer;
}
#pagetop i{
  color: #fff;
}
#pagetop:hover{
  background: rgba(30, 115, 220, 1);
}