@charset "UTF-8";

/* ----------------------------------------------------------
	 ボックス・ライン
------------------------------------------------------------*/
#nav_box {
  width: 100%;
  height: 48px;
}

#nav_line {
  width: 100%;
  height: 5px;
  margin-top: -18px;
  background-color: #58ADDA;
}

/*tb*/
@media screen and (max-width:1024px) {
  #nav_line {
    margin-top: -19px;
  }
}

/*sp*/
@media screen and (max-width:767px) {
  #nav_box {
    height: 180px;
  }
  #nav_line {
    display: none;
  }
}

/* ----------------------------------------------------------
	 マウスオーバーでタブの表示画像を変える
------------------------------------------------------------*/
.tab {
  position: relative;
}

.active {
  position: absolute;
  left: 0;
  top: 0;
  opacity: 1;
}

.active:hover {
  opacity: 0;
}

/* ----------------------------------------------------------
	 タブ（リスト）の幅
------------------------------------------------------------*/
.nav {
  width: 960px;
  height: 65px;
  margin: 0 auto;
}

.nav ul {
  list-style-type: none;
}

.nav ul li {
  width: 137px;
  height: auto;
  float: left;
  position: relative;
}

.nav ul li img {
  width: 135px;
  height: auto;
}

/*tb*/
@media screen and (max-width:1024px) {
  .nav {
    width: 750px;
    height: 56px;
    margin: 0 auto;
  }
  .nav ul li {
    width: 107px;
    height: auto;
    float: left;
    position: relative;
  }
  .nav ul li img {
    width: 107px;
    height: auto;
  }
}

/*sp*/
@media screen and (max-width:767px) {
  .nav {
    width: 320px;
    height: 180px;
    margin: 0 auto;
  }
  .nav ul li {
    float: left;
    width: calc(100%/2);
    line-height: 0;
    height: 60px;
    position: relative;
  }
  .nav ul li img {
    display: none;
  }
}

/* ----------------------------------------------------------
	 スマホナビの画像差し替え設定
------------------------------------------------------------*/
/*sp*/
@media screen and (max-width:767px) {
  .nav-home {
    display: none;
  }
  .nav-company {background-image: url(../images/navi_sp_01.png);}
  .nav-buissiness {background-image: url(../images/navi_sp_02.png);}
  .nav-doboku {background-image: url(../images/navi_sp_03.png);}
  .nav-reform {background-image: url(../images/navi_sp_04.png);}
  .nav-exterior {background-image: url(../images/navi_sp_05.png);}
  .nav-form {background-image: url(../images/navi_sp_06.png);}
}

/* ----------------------------------------------------------
	 フッターナビ（スマホのみ）
------------------------------------------------------------*/
.nav_foot {
  display: none;
}

/*sp*/
@media screen and (max-width:767px) {
  .nav_foot {
    display: inline;
    width: 320px;
    height: 120px;
    margin: 0 auto;
  }
  .nav_foot ul li {
    float: left;
    width: calc(100%/2);
    line-height: 0;
    height: 60px;
    position: relative;
  }
  .nav_foot ul {
    list-style-type: none;
  }
}