body{
  font-family: serif;
}

.body_wrap{
  max-width: 1366px;
  margin: 0 auto;
}

.fixed#underlayer{
  position: fixed;
  top: 0;
  background-color: #fff;
}

header{
/*  position: fixed;*/
  width: 100%;
  max-width: 1366px;
  z-index: 999;
  box-shadow: 0px 8px 10px -10px #000000;
}

.navigation>ul{
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 10px 0;
}

.menu>a{
  text-decoration: none;
  color: #000;
}

.menu.selected>a{
  color: #DC010B;
}

.menu:first-child>a{
  display: flex;
  align-items: center;
}

.menu:first-child>a::before{
  content: url(../images/menu_logo_1.png);
  padding-right: 5px;
}

.nav_button{
  display: none;
  position: absolute;
  right: 13px;
  top: 6px;
  width: 42px;
  height: 42px;
  cursor: pointer;
  z-index: 100;
}

.nav_button span{
  display: block;
  position: absolute;
  width: 30px;
  border-bottom: solid 3px #000;
  -webkit-transition: .35s ease-in-out;  /*変化の速度を指定*/
  -moz-transition: .35s ease-in-out;    /*変化の速度を指定*/
  transition: .35s ease-in-out;      /*変化の速度を指定*/
  left: 6px;
}

.nav_button span:nth-child(1) {
  top: 9px;
}

.nav_button span:nth-child(2) {
  top: 18px;
}

.nav_button span:nth-child(3) {
  top: 27px;
}

.nav_button.active span:nth-child(1) {
  top: 18px;
  left: 6px;
  -webkit-transform: rotate(-45deg);
  -moz-transform: rotate(-45deg);
  transform: rotate(-45deg);
}

.nav_button.active span:nth-child(2),
.nav_button.active span:nth-child(3) {
  top: 18px;
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  transform: rotate(45deg);
}

.catch_image{
  width: 100%;
  max-height: 400px;
  object-fit: cover;
  vertical-align: bottom;
  min-height: 165px;
}

.content{
  padding: 0 15px;
  margin: 35px 0 90px;
  position: relative;
}

.content h2{
  font-size: 1.6em;
}

.content h3{
  font-size: 1.4em;
}

.box_content{
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  margin: 40px 0;
}

footer{
  background-image: url(../images/footer.png);
  height: 200px;
  /* background-size: inherit; */
/*  background-size: 100% 135%;*/
  margin-top: 115px;
  position: relative;
}

.footer_info{
  color: #fff;
  text-align: center;
  position: relative;
  top: 50%;
}

@media screen and (max-width: 768px){
  .content {
    margin: 80px 0 90px;
  }

  #underlayer .nav_button {
    display: block;
  }

  header#underlayer{
    position: absolute;
    background-color: #fff;
  }

  header#underlayer ul{
    display: block;
  }

  #underlayer .menu:first-child>a{
    display: block;
  }

  #underlayer .menu:first-child>a::before{
    display: none;
  }
  header#underlayer::before{
    content: '';
    display: inline-block;
    background-image: url(../images/menu_logo_1.png);
    background-size: auto;
    background-repeat: no-repeat;
    vertical-align: middle;
    position: relative;
    top: 8px;
    left: 10px;
    width: 50px;
    height: 52px;
  }
  /*ナビメニューのスタイルを指定*/
  #underlayer nav.navigation{
    z-index: 100;
    display: none;
/*    top: 8px;*/
    left: 0;
    background: #fff;
    color: #000;
    text-align: center;
    width: 100%;
    position: relative;
    /* transform: translateY(-125%); */
  }

  #underlayer nav.navigation ul{
    display: block;
/*    background: #f5f5f5;*/
    width: 100%;
    margin: 0 auto;
    padding: 0;
  }

  #underlayer nav.navigation ul li{
   font-size: 1.1em;
   list-style-type: none;
   padding: 0;
   width: 100%;
   border-bottom: 1px dotted #333;
  }

  #underlayer nav.navigation ul li:last-child{
   padding-bottom: 0;
   border-bottom: none; /*最後のメニュー項目のみ下線を消す*/
  }

  #underlayer nav.navigation ul li a{
   display: block; /*クリックできる領域を広げる*/
/*   color: #000;*/
   padding: 0.5em 0;
  }

  #underlayer nav.navigation.active{
    display: block;
  }
}

@media screen and (max-width: 480px){
  .content{
    padding: 0 5px;
    font-size: 0.9em;
  }
}