body {
    background: #f1f1f2;
  }
  .fz-18px {
    font-size: 16px;
  }
  #header-container .navi, #navi .navi-in>.menu-header .sub-menu {
    background-color: #18AD7C;
  }
  #navi .navi-in a:hover {
    background-color: #1dcf95;
  }
  .page_top_btn {
    position: fixed;
    right: 2%;
    bottom: 3%;
    z-index: 99999;
    width: 40px;
    height: 38px;
    color: transparent;
    border: 2px solid #fff;
    border-radius: 9999px;
    box-shadow: none;
    background-color: #18AD7C;
    background-image: var(--ver_page_top_button_url);
    background-size: 50%;
    background-repeat: no-repeat;
    background-position: center;
    opacity: 0;
    transition: .3s ease;
    text-decoration: none;
  }
  .page_top_btn:focus,
  .page_top_btn:hover {
    background-color: #1dcf95;
  }
  input[type="text"] {
    padding: 10px;
    border: 0;
    border: 1px solid #1995AD;
    border-radius: 5px;
    background: rgba(25,149,173,0.1);
    font-size: 16px;
  }
  input[type="text"]:focus-visible {
    outline: 1px solid #1995AD;
  }
  label {
    white-space: nowrap;
  }
  input[type="checkbox"] + label {
    margin: 0 10px 0 0;
    padding: 0 0 0 5px;
  }
  input[type="submit"] {
    width: 200px;
    padding: 10px 20px;
    background: #18AD7C;
    color: #fff;
    font-size: 16px;
    border-radius: 5px;
    transition: 0.3s ease;
  }
  input[type="submit"]:focus, 
  input[type="submit"]:hover {
    background: #1dcf95;
    color: #fff;
  }
  button {
    width: 200px;
    display: block;
    text-align: center;
    text-decoration: none;
    margin-left: auto;
    padding: 10px 20px;
    background: #1dcf95;
    color: #fff;
    font-size: 16px;
    border-radius: 5px;
    transition: 0.3s ease;
  }
  button:focus, 
  button:hover {
    background: mediumaquamarine;
    color: #fff;
  }
  button > a {
    color: #fff;
    text-decoration: none;
  }
	      
  .article h3 {
    border: solid #1995ad;
    border-width: 1px 1px 0 4px;
    font-size: 20px;
    padding: 12px 20px;
  }
  .article h3 + p {
    margin: 0 0 0 2em;
  }
  .entry-content > p {
    font-size: 18px;
  }
  #back > a {
    display: inline-block;
    padding: 10px 20px;
    background: #18AD7C;
    color: #fff;
    border-radius: 5px;
    text-decoration: none;
    transition: 0.3s ease;
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
  }
  #back > a:focus, 
  #back > a:hover {
    background: #1dcf95;
    color: #fff;
  }
  .entry-content > p:nth-child(2) {
    display: none;
  }
  .entry-content table {
    
  }
  .entry-content table tr:nth-of-type(2n+1) {
      background-color: inherit;
  }
  .entry-content table th, 
  .entry-content table td {
    border: 2px solid #1995AD;
    padding: 10px;
    background: #f7fbfc;
  }
  .entry-content table form {
    font-size: 20px;
    font-weight: normal;
  }
  .entry-content table form p:last-child {
    text-align: center;
  }
  .list-group {
    display: flex;
    flex-wrap: wrap;
    line-height: 1.5;
  }
  .list-group-item {
    width: calc((100% - 20px)/3);
    min-height: 200px;
    margin: 0 10px 10px 0;
    border-radius: 5px;
    background: #F1F1F2;
    font-size: 0.75em;
  }
  .list-group-item a {
    display: flex;
    background: #1995AD;
    color: #fff;
    margin: -10px -10px 10px -10px;
    padding: 5px;
    border-radius: 5px 5px 0 0;
    text-decoration: none;
    font-size: 16px;
    transition: 0.3s;
    border: 2px solid #1995AD;
  }
  .list-group-item a:focus, 
  .list-group-item a:hover {
    background: #fff;
    color: #1995AD;
    border: 2px solid #1995AD;
    border-radius: 5px;
  }
  .list-group-item a::before {
    content: "▶︎";
    display: block;
    margin: 0 5px;
  }
  .list-group-item a + * {
    display: none;
  }
  .list-group-item br {
    margin: 0 0 10px;
  }
  .list-group-item p {
    margin: 0;
    padding: 10px;
  }
  @media screen and (min-width: 992px) {
    .list-group-item:nth-child(3n) {
      margin: 0 0 10px;
    }
  }
  @media screen and (max-width: 991px) {
    .list-group-item {
      width: calc((100% - 10px)/2);
    }
    .list-group-item:nth-child(even) {
      margin: 0 0 10px;
    }
  }
  @media screen and (max-width: 767px) {
    .list-group-item {
      width: 100%;
      margin: 0 0 10px;
    }
  }

  .entry-content .flexbox01{
    /* 外枠 */
    display              : flex;
    justify-content      : flex-start; 
    align-items          : center; 
    flex-flow            : row wrap;  /* 横方向の折り返し */
    /* 背景色・幅・高さ・余白 */
    background: #ffffff;
    width     : 100%;
    margin    : 2px;
    padding   : 2px;
  }
  /* 中の四角形 */
  .entry-content .flexbox01 > div{
    padding    : 5px;
    /*flex-grow  : 1; */     /* 幅に合わせて延伸 */
    margin     : 5px;  /* 外余白 */
    color      : #fff;  /* 文字色 */
    text-align : center;
    /* line-height: 30px; */
    background: mediumaquamarine;
    border-bottom: solid 5px teal;
    border-radius: 10px;
  }

  .entry-content .flexbox02{
    /* 外枠 */
    display              : flex;
    justify-content      : flex-start; 
    align-items          : center; 
    flex-flow            : row wrap;  /* 横方向の折り返し */
    /* 背景色・幅・高さ・余白 */
    background: #ffffff;
    width     : 100%;
    margin    : 2px;
    padding   : 2px;
  }
  /* 中の四角形 */
  .entry-content .flexbox02 > div{
    padding    : 5px;
    /*flex-grow  : 1; */     /* 幅に合わせて延伸 */
    margin     : 5px;  /* 外余白 */
    color      : #fff;  /* 文字色 */
    text-align : center;
    /* line-height: 30px; */
    background: royalblue;
    border-bottom: solid 5px darkblue;
    border-radius: 10px;
  }


input[type="checkbox"] { display: none; }

input[type="checkbox"] + label {
  position: relative;
  padding-left: 28px;
  margin-bottom: 20px;
  font-size: 16px;
  font-weight: normal;
  color: #333;
  cursor: pointer;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

input[type="checkbox"] + label:last-child { margin-bottom: 0; }

input[type="checkbox"] + label:before {
  content: '';
  display: block;
  width: 18px;
  height: 18px;
  border: 1px solid #1995AD;
  position: absolute;
  left: 0;
  top: -2px;
  background: rgba(25,149,173,0.1);
  -webkit-transition: all .12s, border-color .08s;
  transition: all .12s, border-color .08s;
}

input[type="checkbox"]:checked + label:before {
  width: 10px;
  top: -5px;
  left: 5px;
  border-radius: 0;
  background: none;
  border: 1px solid #0f5967;
  border-top-color: transparent;
  border-left-color: transparent;
  -webkit-transform: rotate(45deg);
  transform: rotate(45deg);
}
  input[type="checkbox"]:checked + label {
    color: #0f5967;
}