/* -- 全体 ---------------------------------------------------------------------------------------- */

/* font-size root = 16px = 1rem
    20px : 1.25rem
    19px : 1.1875rem
    18px : 1.125rem
    17px : 1.0625rem
    16px : 1.000rem
    15px : 0.9375rem
    14px : 0.875rem
    13px : 0.8125rem
    12px : 0.75rem
    11px : 0.6875rem
    10px : 0.625rem
*/
html {
  height: 100%;
}
body {
  height: 100%;
  background: Transparent url('./Technical_guide_site_mein__.jpg') no-repeat center 20px;
  color: #0000FF;
  font-family: "ヒラギノ角ゴ ProN W3", "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, Osaka, sans-serif;
  -webkit-font-smoothing: antialiased;
  word-break:break-all;
  word-wrap:break-word;
  margin: 0;
  padding: 200px 0 0 0!important;
}

* {
  -webkit-box-sizing:border-box;
  -moz-box-sizing:border-box;
  -o-box-sizing:border-box;
  -ms-box-sizing:border-box;
  box-sizing:border-box;
}

a, a:active, a:focus{
  color:#0000FF;
  transition: opacity 0.3s ease 0s;
  text-decoration: none;
}
a:hover {
  opacity: .9;
  text-decoration: none;
}


/* 基本画面 -------------------------------------------------------------------------------- */
.resizeimage {
   max-width: 800px; /* 最大幅 */
   min-width: 240px; /* 最小幅 */
}
.resizeimage img { width: 100%; }

.copyright {
  text-align: center;
  font-size: 0.75rem;
  font-weight: bold;
  margin-bottom: 20px;
}

.wrap-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 50%;
}
  .mlist {
    margin: 5px;
  }


ul {
  list-style:none;
  margin: 0;
  padding: 0;
  margin-top: .5em;
  margin-bottom: .75em;
  margin-left: 48px;
}
  ul li {
    list-style:none;
    margin: 0;
    padding: 0;
    margin-bottom: .5em;
    position: relative;
  }


ul.menu1 > li::before {
  content: "";
  position: absolute;
  top: 1.7em;
  height: calc(100% - 1.00em);
  left: -16px;
  width: 10px;
  border-left: 1px dashed #0000FF;
}
ul.menu1 > li:last-child::before {
  height: 0;
}
  ul.menu1 > li::after {
    content: "";
    position: absolute;
    top: .75em;
    left: -1px;
    width: 12px;
    border-bottom: 1px dashed #0000FF;
  }

  ul.menu1 a.ctitle {
    display: inline-block;
    font-weight: bold;
    font-size: 0.9rem;
    margin-left: 17px;
  }
    ul.menu1 a.ctitle span {
      color: rgb(5, 99, 234);
      font-weight: bold;
      font-size: 0.5rem;
      padding: 5px 2px;
      line-height: 1;
      display: inline-block;
      position: absolute;
      width: 26px;
      height: 26px;
      left: -28px;
      background-color: #0000FF;
      text-align: center;
      box-shadow: inset 0 0 2px #0563ea;
    }

  ul.menu1 ul.menu2 {
    font-size: 0.9rem; 
  }
  ul.menu1 ul.menu2 li::before {
    content: "";
    position: absolute;
    top: -0.5em;
    left: -16px;
    width: 10px;
    height: calc(100% + .75em);
    border-left: 1px dashed #0000FF;
  }
  ul.menu1 ul.menu2 li:last-child::before {
    height: calc(1em + .25em);
  }
  ul.menu1 ul.menu2 li::after {
    content: "";
    position: absolute;
    top: .75em;
    left: -16px;
    width: 10px;
    border-bottom: 1px dashed #0000FF;
  }
ul.menu2 {
  display: none; /* 初期状態は閉じる */
}
/* --- メニューアイコン（＋／−）の見た目を調整 --- */
ul.menu1 a.ctitle span {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  position: absolute;
  left: -28px;
  width: 26px;
  height: 26px;
  background-color: #0000FF;
  color: #fff;
  font-size: 1.2rem;
  font-weight: bold;
  line-height: 1;
  text-align: center;
  border-radius: 4px; /* ←角を丸くしたくない場合は削除 */
  box-shadow: inset 0 0 2px #0563ea;
}
/* --- 「ボタン」説明文のアイコン用 --- */
.icon-plus {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 20px;                 /* 四角の大きさ */
  height: 20px;
  margin-right: 5px;           /* ボタンとの間に少し余白 */
  background-color: #0000FF;   /* 青背景 */
  color: #fff;                 /* 白抜き文字 */
  font-weight: bold;
  font-size: 1rem;
  border-radius: 3px;          /* 角を少し丸く */
  box-shadow: inset 0 0 2px #0563ea;
  content: "+";                /* JSを使わずに直接文字を出す場合はHTMLに＋を書いてもOK */
}