body.sista-body {
      font-family: "Yu Gothic", sans-serif;
      line-height: 1.7;
      margin: 0;
      padding: 20px;
      background-color: #f9f9f9;
      color: #333;
    }
h1.sista-title {
  font-size: 36px;
  color: #005b58;
  border-left: 10px solid #009D98;
  padding-left: 20px;
  margin-bottom: 15px;
  background: linear-gradient(to right, #e0f7f6, #ffffff);
  padding-top: 10px;
  padding-bottom: 10px;
  font-weight: bold;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}
    h2.sista-subtitle {
      font-size: 22px;
      color: #009D98;
      margin-top: 0;
      margin-bottom: 20px;
      font-weight: bold;
    }
    h3.sista-heading {
      font-size: clamp(1.25rem, 0.625rem + 2vi, 1.875rem);
      margin-top: 3em;
      color: #007f7b;
      border-bottom: 2px solid #009D98;
      padding-bottom: 10px;
    }
    ul.sista-feature-list {
      padding-left: 20px;
    }
    ul.sista-feature-list li {
      margin-bottom: 8px;
      font-weight: bold;
      color: #444;
    }
   ul.sista-feature-list li::before {
      content: "●";
      color: #333;
      padding-right:.5em;
    }
    table.sista-table {
      border-collapse: collapse;
      width: 100%;
      margin-top: 20px;
      background: #fff;
      font-size: 15px;
    }
    .sista-table th {
      background-color: #009D98;
      color: #fff;
      padding: 10px;
    }
    .sista-table td {
      border: 1px solid #ccc;
      padding: 8px;
      text-align: center;
    }
    .sista-card-grid {
      display: flex;
      flex-wrap: wrap;
      gap: clamp(1.25rem, 0rem + 4vi, 2.5rem);
      margin-top: 25px;
    }
    .sista-card {
      background-color: #fff;
      border: 2px solid #009D98;
      border-radius: 10px;
      padding: 20px;
      width: 300px;
      box-shadow: 2px 4px 12px rgba(0,0,0,0.1);
      text-align: center;
      transition: transform 0.3s ease;
    }
    .sista-card:hover {
      transform: translateY(-5px);
    }
    .sista-card img {
      max-width: 100%;
      height: auto;
      border-radius: 5px;
    }
    .sista-card h4 {
      margin: 12px 0 8px;
      font-size: 17px;
      color: #005b58;
    }
    .sista-card p {
      font-size: 14px;
      color: #555;
    }
    .sista-btn {
      display: inline-block;
      margin-top: 12px;
      padding: 10px 20px;
      background-color: #009D98;
      color: #fff;
      text-decoration: none;
      border-radius: 5px;
      font-weight: bold;
    }
    .sista-btn:hover {
      background-color: #007f7b;
    }
    @media (max-width: 768px) {
      .sista-card-grid {
        flex-direction: column;
        align-items: center;
      }
      .sista-card {
        width: 100%;
        max-width: 90%;
      }
      main{
	padding:10px;
}
    }
    main{
	max-width:1240px;
	margin:auto;
}
ul.sista-feature-list {
  padding-left: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.25rem, 0rem + 4vi, 2.5rem);
}

ul.sista-feature-list li {
  margin-bottom: 8px;
  font-weight: bold;
  color: #444;
  /*flex: 1 1 calc(50% - 20px);*/
  list-style: none;
}

@media (max-width: 768px) {
  ul.sista-feature-list {
    flex-direction: column;
  }
  ul.sista-feature-list li {
    flex: 1 1 100%;
  }
}
.sista-highlight {
  background: linear-gradient(transparent 60%, #fff68f 60%);
  display: inline;
}
.sista-20px{
	margin-top:60px;
}
.zoom-img {
  cursor: zoom-in;
  max-width: 100%;
  height: auto;
}

/* モーダル背景 */
.img-modal {
  display: none;
  position: fixed;
  z-index: 9999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.7);
  justify-content: center;
  align-items: center;
}

/* 拡大画像 */
.img-modal img {
  max-width: 90%;
  max-height: 90%;
  box-shadow: 0 0 15px #fff;
  border-radius: 5px;
}