@charset   "UTF-8";
* {
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
}

body {
  background-color: #e6eae3;
  background-image: url("images/tree.jpg");
  background-size: cover;
  /*ccontainは縦横比を崩さずに狩野な限り大きくする
　　coverはできるだけ大きく拡大縮小する（上下または左右に切り取られる可能性あり）*/
}
 
#wrap {
  width: 960px;
  margin: auto;
  background-color: white;
  position: relative;
  /*<div id="wrap">で囲んだところの設定*/
}
 
header {
    background: #839b5c;
    color: #FFF;
    padding: 20px;
    position: sticky;
    top: 0;
  }
  /* <header>で囲んだところの設定*/

header h1 a{
  color: #FFF;
}

  .main-menu {
    background: #839b5c;
    position: absolute;
    top: 20px;
    right: 20px;
  }
  .main-menu ul {
      display: flex;
      justify-content: space-around;
  }
  .main-menu ul li a {
      color: #FFF;
      display: block;
      padding: 10px 20px;
  }
  .main-menu ul li a:hover {
      background: #ff8c00;
      transition-duration: .5s;
  }

  #navBtn:checked ~ .main-menu {
    display: block;
  }
  #navBtn {
    display: none;
  }
  
  label {
    cursor: pointer;
    position: absolute;
    top: 10px;
    right: 10px;
    display: block;
    text-align: center;
    color: #FFF;
  }
  .open {
    z-index: 100;
    width: 40px;
    height: 40px;
    border: 1px solid #FFF;
    border-radius: 2px;
    display: none;
  }
  
  /*humburger button*/
  
  .open::before,
  .open::after {
    content: "";
  }
  
  .open span,
  .open::before,
  .open::after {
    content: "";
    position: absolute;
    top: 19px;
    left: 30%;
    width: 40%;
    border-bottom: 2px solid #FFF;
    transition: transform .5s;
  }
  
  .open::before {
    transform: translateY(-8px);
  }
  
  .open::after {
    transform: translateY(8px);
  }
  
  /*close button*/
  #navBtn:checked + .open {
    background: #ff8c00;
  }
  
  #navBtn:checked + .open span {
    transform: scaleX(0);
  }
  
  #navBtn:checked + .open::before {
    transform: rotate(45deg);
  }
  
  #navBtn:checked + .open::after {
    transform: rotate(-45deg);
  }
  

.work ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}
.work ul li{
  padding: 10px;
  list-style: none;
  width: 33.3%;
  box-sizing: border-box;
  
} 
.work ul li img{
  width: 100%;
  display: block;
  margin: 10px auto;
  box-sizing: border-box;
}

.work2 ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}
.work2 ul li{
  padding: 10px;
  list-style: none;
  width: 50%;
  box-sizing: border-box;
  
} 

.youtube{
  width: 100%;
  aspect-ratio: 16/9;
}
.youtube iframe{
  width: 100%;
  height: 100%;
}


  

main{
    padding: 40px;
    /*<main>で囲んだところの設定*/
  }

main h1{
  text-align: center;
  padding: 20px;
}

main h3{
  padding: 0px 0px 10px 0px;
}

main h4{
  text-align: center;
}


.home-img {
  text-align: center;
}
.home-img img {
width: 80%;
}

.box{
  display: flex;
  padding: 20px;
}

.box.left{
  flex-direction: row-reverse;
}

.box-img{
  width: 60%;
}

.box-text{
  text-align:left;
  width: 40%;
  padding: 20px;
}

.box-img img{
  width: 100%;
}

.box-img iframe{
  width: 100%;
}

.link{
  text-align: center;
}

.link li{
  padding: 10px;
}




footer   {
    padding: 20px;
    background-color : #839b5c;
    color: white;
    text-align: center;
     /*<footer>で囲んだところの設定*/
  }
  
  a.pagetop {
    display: block;
    width: 50px;
    height: 50px;
    text-align: center;
    box-sizing: border-box;
    padding-top: 12px;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    background-color: #839b5c;
    color: #FFF;
    position: fixed;
    bottom: 0;
    right: 20px;
  }
  
  html {
    scroll-behavior: smooth;
  }

  

  /*タブレット*/
  @media all and (max-width: 1024px) {
    #wrap {
      width: 100%;
    }
  }

  /*スマホ用*/
@media all and (max-width: 599px) {
  .main-menu ul {
    display: block;
  }

  .main-menu ul li {
    text-align: center;
    width: 200px;
   
  }

  main {
    display: block;
    flex-direction: unset;
    
  }

  .sub-menu ul li {
    text-align: center;
  }

  .open{
    display: block;
  }

  .main-menu {
    display: none;
    right: 0;
    background: rgba(185, 208, 139, .7);
  }

  .box{
    display: block;
    padding: 20px;
  }

  .box-img{
    width: 100%;
  }
  
  .box-text{
    text-align:left;
    width: 100%;
  }

  .work ul li{
    width: 100%;
  } 

  .work2 ul li{
    width: 100%;
  } 
}