html {
    height: 100%;
  }

  body{
    margin: 0 auto;
    padding: 0;
    background-color: #fff;
    color: #000;
    height: 100%;
    /*padding-top: 50px;*/
    overflow-y: scroll;
    overflow-x: hidden; 
  }
  /* ================= ここまで全体の設定 ==================== */





  /* ======================== ヘッダーの設定 ============================= */
  header {
    background-color: hsla(0, 0%, 0%, 0.5);
    position: fixed;
    z-index: 999;
    top: 0;
    left: 0;
    padding: 0;
    margin: 0;
    color: white;
    width: 100vw;
    text-align: center;
    box-sizing: border-box;
  }

  /* $$$$$$$$$$$$$$$$$ ハンバーガー $$$$$$$$$$$$$$$$$$$$$$ */
  .menu-btn {
    position: fixed;
    top: 1vh;
    right: 4vw;
    display: flex;
    height: clamp(50px, 10vw, 100px);
    width: clamp(50px, 10vw, 100px);
    justify-content: center;
    align-items: center;
    z-index: 90;
    background-color: #000000;
}
.menu-btn span,
.menu-btn span:before,
.menu-btn span:after {
    content: '';
    display: block;
    height: clamp(1px, 5vw, 4px);
    width: clamp(17px, 7vw, 40px);
    border-radius: 3px;
    background-color: #ffffff;
    position: absolute;
}
.menu-btn span:before {
    bottom: 10px;
}
.menu-btn span:after {
    top: 10px;
}
#menu-btn-check:checked ~ .menu-btn span {
  background-color: rgba(255, 255, 255, 0);/*メニューオープン時は真ん中の線を透明にする*/
}
#menu-btn-check:checked ~ .menu-btn span::before {
  bottom: 0;
  transform: rotate(45deg);
}
#menu-btn-check:checked ~ .menu-btn span::after {
  top: 0;
  transform: rotate(-45deg);
}
#menu-btn-check {
  display: none;
}

/* --------ここからメニュー------------------------- */
.menu-content {
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 80;
  background-color: hsla(0, 0%, 0%, 0.8);
  overflow: auto;
}
.menu-content ul {
  padding: 70px 10px 0;
}
.menu-content ul li {
  border-bottom: solid 1px #ffffff;
  list-style: none;
}
.menu-content ul li a {
  display: block;
  width: 100%;
  font-size: clamp(15px, 2vw, 25px);
  box-sizing: border-box;
  color:#ffffff;
  text-decoration: none;
  padding: 5vh 15px 5vh 0;
  position: relative;
}
.menu-content ul li a::before {
  content: "";
  width: 17px;
  height: 17px;
  border-top: solid 2px #ffffff;
  border-right: solid 2px #ffffff;
  transform: rotate(45deg);
  position: absolute;
  right: 11px;
  top: 6vh;
}
.menu-content {
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 100%;/*leftの値を変更してメニューを画面外へ*/
  z-index: 80;
  background-color: hsla(0, 0%, 0%, 0.8);
  transition: all 0.5s;/*アニメーション設定*/
}
#menu-btn-check:checked ~ .menu-content {
  left: 0;/*メニューを画面内へ*/
}
  /* $$$$$$$$$$$$$$$$$ ハンバーガー終わり $$$$$$$$$$$$$$$$$$$$$$ */


  /*----------------- Japan Digital Platform -----------------*/
  .h_letter {
    background-image: url('headder.jpg');
    background-size: cover;
    color: #fff;
    letter-spacing: 0.6em;
    font-family: Georgia,Arial, Helvetica, sans-serif;
    font-size: clamp(7px, 1.7vw, 40px);
    /* position: relative; */
    text-align: center;
    margin: 0;
    padding: 1.1em 0;
    max-height: 10vh;
  }
  /* ------------------------ 各リンク ------------------------- */
  nav ul {
    list-style: none;
    padding: 0;
    font-size: clamp(17px, 1.4vw, 40px);
  }
  nav ul li {
      display: inline;
      margin: 0 4vw;
  }
  nav ul li a {
      text-decoration: none;
      color: #fff;
  }
  /* ============================================================ */






/* ======================= メインの説明 ======================　*/

/* ----------------- セミナー部分 -------------------*/

  .main1 {    
    background: linear-gradient(to right, rgba(255, 255, 255, 0.9) 92%, transparent 50%) ,url(kuramewa34.png);
    background-size: contain;
    max-width: 100vw;
    padding: 2vh 30px 15px 30px;
    margin: 0vh 0 0 0;
    position: relative;
    /* ----背景を暗くする--- */
    /* background-color:rgba(0, 0, 0, 0.6);
    background-blend-mode:darken; */
  }
  
  .main1 h1 {
    font-size: clamp(30px, 3vw, 100px);
    font-family: Georgia,Arial, Helvetica, sans-serif;
    letter-spacing: 0.1em;
    border-bottom: 4px solid #fff;
    border-image: linear-gradient(to left, #fdab2f 30%, #000 100%);
    border-image-slice: 1;
    padding: 10px;
  }

  .main1 ul {
    font-size: clamp(20px, 2vw, 60px);
    font-weight: bold;
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN","Hiragino Sans", sans-serif;
    letter-spacing: 0.1em;
    line-height: 2em;
    /* 中央揃え */
    display: table;
    text-align: left;
    /* 以下ボックスデザイン */
    margin: 2em auto;
    padding: 1.5em;/*内側余白*/
    border-left:double 5px #2f0a00;/*左の線の種類・太さ・色*/
    border-right:double 5px #2f0a00;/*右の線の種類・太さ・色*/
    background-color: #fff;/*背景色*/
    box-shadow:3px 1px 4px rgba(0, 0, 0, 0.2);/*ボックス影*/
  }


  .main1 p {
    font-size: clamp(20px, 2vw, 60px);
    font-family: Georgia,Arial, Helvetica, sans-serif;
    letter-spacing: 0.1em;
    line-height: 2em;
  }
 

  /* ----------------- プレゼンテーション部分 -------------------*/

  .main2 {    
    background: linear-gradient(to right, rgba(255, 255, 255, 0.9) 92%, transparent 50%) ,url(kuramewa34.png);
    background-size: contain;
    max-width: 100vw;
    padding: 2vh 30px 15px 30px;
    margin: 0 0 0 0;
    position: relative;
  }
  
  .main2 h1 {
    font-size: clamp(30px, 3vw, 100px);
    font-family: Georgia,Arial, Helvetica, sans-serif;
    letter-spacing: 0.1em;
    border-bottom: 4px solid #fff;
    border-image: linear-gradient(to left, #fdab2f 30%, #000 100%);
    border-image-slice: 1;
    padding: 10px;
  }

  .main2 ul {
    font-size: clamp(20px, 2vw, 60px);
    font-weight: bold;
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN","Hiragino Sans", sans-serif;
    letter-spacing: 0.1em;
    line-height: 2em;
    /* 中央揃え */
    display: table;
    text-align: left;
    /* 以下ボックスデザイン */
    margin: 2em auto;
    padding: 1.5em 12vw;/*内側余白*/
    border-left:double 5px #2f0a00;/*左の線の種類・太さ・色*/
    border-right:double 5px #2f0a00;/*右の線の種類・太さ・色*/
    background-color: #fff;/*背景色*/
    box-shadow:3px 1px 4px rgba(0, 0, 0, 0.2);/*ボックス影*/
  }

  .main2 p {
    font-size: clamp(20px, 2vw, 60px);
    font-family: Georgia,Arial, Helvetica, sans-serif;
    letter-spacing: 0.1em;
    line-height: 2em;
  }

  /* ============================================　*/





   /* ===================== ボタン ======================= */
   .btn {
    width: 60vw;
    padding: 3vh 5vw;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    background-image: url(wafu_button.png);
    background-size: cover;
    background-position: center;
    background-color:rgba(0, 0, 0, 0.6);
/*
    background-blend-mode:darken;
*/
    background-repeat:no-repeat;
    color: #000;
    border: 7px solid #351414;
    box-shadow: 0 2px 5px rgba(0, 0, 0, .2);
    -webkit-box-shadow: 0 2px 5px rgba(0, 0, 0, .2);
    transition: 0.5s;
    font-size: clamp(20px, 3vw, 40px);
    cursor : pointer;
  }
  .btn:hover {
    color: #000;
    background-image: url(okumono-torii1.png);
    background-color:rgba(227, 227, 227, 0.6);
    /* background-image: linear-gradient(to left, #000000 0%, rgb(255, 173, 57) 100%); */
  }
  /* ======================================================== */






/* ======================== タブの設定 =========================　*/

/* ~~~~~~~~~~~~~~~~~~^タブ全体の設定~~~~~~~~~~~~~~~~ */
  /*タブ全体のタイトル　20240423追加分*/
  .tabtitle{
    padding: 0vh 30px 0px 30px;

   }

  /*タブ切り替え全体のスタイル*/
  .tabs {
    background: linear-gradient(to right, rgba(255, 255, 255, 0.9) 92%, transparent 50%) ,url(kuramewa34.png);
    background-size: contain;

    margin-top: 50px;
/*
    padding-bottom: 40px;
*/
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
    max-width: 100vw;
    margin: 0 auto;

    padding: 0vh 0px 30px 0px;
/*
    padding: 20vh 0px 30px 0px;
*/

}

/*20240422追加分*/
  .tabs h1 {
    margin-top: 0;
    font-size: clamp(30px, 3vw, 100px);
    font-family: Georgia,Arial, Helvetica, sans-serif;
    letter-spacing: 0.1em;
    border-bottom: 4px solid #fff;
    border-image: linear-gradient(to left, #fdab2f 30%, #000 100%);
    border-image-slice: 1;
    padding: 10px;
  }

  /*タブのスタイル*/
  .tab_item {
    width: calc(100%/2);
    height: 80px;
    border-bottom: 3px solid #e86473;
    background-color: #d9d9d9;
    line-height: 80px;
    font-size: clamp(18px, 2vw, 25px);
    text-align: center;
    color: #574f4f;
    display: block;
    float: left;
    text-align: center;
    font-weight: bold;
    transition: all 0.2s ease;
  }
  .tab_item:hover {
    opacity: 0.75;
  }

  /*ラジオボタンを全て消す*/
  input[name="tab_item"] {
    display: none;
  }

  /*タブ切り替えの中身のスタイル*/
  .tab_content {
    display: none;
/*
    padding: 40px 40px 0;
*/
    clear: both;
    overflow: hidden;
    max-width: 100%;
    height: 100vh;

  }


  /*選択されているタブのコンテンツのみを表示*/
  #all:checked ~ #all_content,
  #programming:checked ~ #programming_content,
  #design:checked ~ #design_content {
    display: block;
  }

  /*選択されているタブのスタイルを変える*/
  .tabs input:checked + .tab_item {
    background-color: #e86473;
    color: #fff;
  }

/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */



/* ~~~~~~~~~~~~~~~~~~~~ タイムテーブルの設定 ~~~~~~~~~~~~~~~~~~~~ */

/***ステップバーデザイン１***/
.step-wrap1 {
  counter-reset:count;
  margin: 2em 0;
  position: relative;
 }
 .step-content1 {
  padding: 0 0 1.3em 2em;
  margin: 0;
  position: relative;
 }
 .step-content1::before {
  content: "";
  display: block;
  width: 13px;
  height: 13px;
  background: #6ab5a5;
  border: solid 3px #ffffff;
  border-radius: 50%;
  position: absolute;
  top: 3px;
  left: 3px;
  box-shadow: 0 0 0 2px #6ab5a5;
 }
 .step-content1::after {
  content: "";
  display: block;
  height: calc(100% - 35px);
  border-left: dotted 5px #768888;
  position: absolute;
  top: 30px;
  left: 10px;
 }
 .step-title1 {
  font-weight: bold;
  font-size: 120%;
 }
 .step-label1 {
  color: #768888;
  font-weight: bold;
 }
 .step-label1::after {
  counter-increment:count;
  content:counter(count);
  position: relative;
  left: .3em;
 }
 .step-body1 {
  margin-top: .5em;
  padding: 0 0 1em;
  border-bottom: dotted 2px #ddd;
 }
 .step-wrap1 > :last-of-type::after {
  display: none;
 }
 /***ステップバーデザイン１***/

/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */



/* ================================================　*/



  .end p {
    max-width: 100%;
    color: #fff;
    background: #000;
    padding: 1vh;
    margin: 0;
    text-align: center;
    font-family: Georgia,Arial, Helvetica, sans-serif;
  }

iframe {
    width: 100%;
    height: 100%;
}

/*20240422追加分*/

span {
   display: inline-block;
}

/*20240514追加分*/
/*
footer {
   display: flex;
   position: sticky;
   bottom: 0;
   z-index: 999;
   background: #000;
   background-image: url(wafu_kuro.png);
   background-size: cover;

}
*/

/*20240531追加分*/
.youtubebutton {
/*
   position: sticky;
*/
   bottom: calc(6vh + clamp(20px, 3vw, 40px) + 1em);
   z-index: 0;
   background: #000;
   background-image: url(wafu_kuro.png);
   background-size: cover;

}