@media screen and (min-width: 481px){
    html {
        color: #71664c;
        background-color: #d0d0d0;
        font-family: 'Shippori Mincho', serif;
        font-family: 'Sawarabi Mincho', serif;
        letter-spacing: 0.2em;
        font-size: 16px;
        scroll-behavior: smooth;
    }
    * {
        margin: 0 auto;
    }
    .header {
        width: 100%;
        height: 100px;
    }
    .header h1 img {
        width: 143px;
        position: fixed;
        padding: 30px 60px;
        z-index: 100;
    }
    nav {
        z-index: 50;
        position: relative;
    }
    nav ul {
        right: 4px;
        top: 50px;
        position: fixed;
    }
    nav ul li {
        list-style: none;
        float: left;
        width: 118px;
    }
    .li {
        color:  white;
        transition: all 0.5s ease;
        text-decoration: none;
        font-size: 15px;
    }
    .li:hover {
        color: #71664c;
    }
main {
    display: flex;
}
.left {
    position: relative;
    width: 50%;
}
.right {
    margin-top: 115px;
    width: 50%;
    line-height: 29px;
}
.left img {
    position: absolute;
}

#oak {
    top: 115px;
    width: 300px;
    right: 93px;
}

#img01 {
    top: 347px;
    right: 352px;
    z-index: 20;
    width: 123px;
}
#img02 {
    top: 352px;
    right: 44px;
    width: 75px;
}
#img03-m {
    top: 750px;
    right: 312px;
    width: 64px;
}
#img03 {
    top: 801px;
    right: 368px;
}
h2 {
    font-size: 18px;
    margin-bottom: 15px;
}
.right a {
    margin-bottom: 48px;
    font-size: 17px;
}
dt {
    margin-bottom: 10px;
    font-size: 15px;
}
dd {
    font-size: 15px;
    margin-bottom: 30px;
    padding-right: 70px;
}
.color {
    color: #af8c40;
}
#copy {
    float: right;
    margin: 110px 10px 15px 0px;
}
#pagetop{
    position: fixed;
    bottom: 50px;
    right: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 50px;
    height: 50px;
    background: #848b86;
 }
  .arrow{
    width: 10px;
    height: 10px;
    border-top: 3px solid #fff;
    border-right: 3px solid #fff;
    transform: rotate(-45deg);
    margin-top: 5px;
 }

 .btnlinestretches2{
    position: relative;
    color: #4d6f3deb;
    padding: 9px 48px;
    display: inline-block;
    text-decoration: none;
    outline: none;
    margin: 12px 0px;
  }
  
  .btnlinestretches2::before,
  .btnlinestretches2::after {
    content:'';
    position:absolute;
    border:solid #4d6f3deb;
    width:10px;
    height:10px;
    transition:all 0.3s ease-in-out;
  }
  
  .btnlinestretches2::before{
    top:0;
    left:0;
    border-width:2px 0 0 2px;
  }
  
  .btnlinestretches2::after{
    bottom:0;
    right:0;
    border-width:0 2px 2px 0;
  }
  
  .btnlinestretches2:hover::before,
  .btnlinestretches2:hover::after{
    width:calc(100% - 2px);
    height:calc(100% - 2px);
    border-color:#4d6f3deb
  }
  .fadeIn {
      animation-name: fadeInAnime;
      animation-duration: 3s;
      animation-fill-mode: forwards;
      opacity: 0;
  }
  @keyframes fadeInAnime {
      from {
          opacity: 0;
      }
      to {
          opacity: 1;
          opacity: 1;
      }
      
  }
  
 .p {
    overflow: hidden;/*左右アニメーションで画面からはみ出る際に出る横スクロールバーを隠す*/
  }
  
  /*========= 流れるテキスト ===============*/
  
  /*全共通*/
  
  .slide-in {
    overflow: hidden;
      display: inline-block;
  }
  
  .slide-in_inner {
    display: inline-block;
  
  }
  
  /*左右のアニメーション*/
  .leftAnime{
      opacity: 0;/*事前に透過0にして消しておく*/
  }
  
  .slideAnimeLeftRight {
    animation-name:slideTextX100;
    animation-duration:3s;
    animation-fill-mode:forwards;
      opacity: 0;
  }
  
  @keyframes slideTextX100 {
    from {
    transform: translateX(-100%); /*要素を左の枠外に移動*/
          opacity: 0;
    }
  
    to {
    transform: translateX(0);/*要素を元の位置に移動*/
      opacity: 1;
    }
  }
  
  .slideAnimeRightLeft {
    animation-name:slideTextX-100;
    animation-duration:3s;
    animation-fill-mode:forwards;
      opacity: 0;
  }
  
  
  @keyframes slideTextX-100 {
    from {
    transform: translateX(100%);/*要素を右の枠外に移動*/
      opacity: 0;
    }
  
    to {
    transform: translateX(0);/*要素を元の位置に移動*/
      opacity: 1;
    }
  }
}