.step-icon {
  display: inline-block;
  width: 2.2em;
  height: 2.2em;
  border-radius: 50%;
  background-color: #666;
  color: white;
  font-weight: bold;
  text-align: center;
  line-height: 2.2em;
  font-family: "Arial", sans-serif;
  margin-right: 0.5em;
}

.data_sakusei h3{
  padding:20px 20px;
  color:#666!important;
  border-bottom: 1px solid #666!important;
   padding-bottom: 15px!important;
}

.data_hajimeni {
  margin-bottom: 50px;
}

.data_hajimeni img {
  width: 100%;
  max-width: 800px;
}

.horizontal-check-list {
  max-width: 600px;
  border-radius: 10px;
  background-color:#f2f2f2;
  list-style: none;
  padding: 5px;
  display: flex;              /* 横並びにする */
  gap: 1.5em;                 /* 各項目の間隔 */
  flex-wrap: wrap;            /* 必要に応じて折り返す */
  margin-bottom:80px;
}

.horizontal-check-list li {
  display: flex;
  align-items: center;
}

.horizontal-check-list i {
  padding-left:20px;
  color:#7FBEC4;
  margin-right: 0.4em;
  font-size: 1.4em;
}

.data-image {
  margin-bottom: 80px;
}

.data-image img{
    margin-top:30px;
}

.caution_underline{
    display: inline-block;
    padding-bottom:10px;
    text-decoration: underline dotted #666;
}

.data_caution_section {
  background-color: #f2f2f2;
  padding: 10px 30px;
  border-radius: 20px;
  box-shadow: none;
  margin-top: 20px;
  margin-bottom:80px;
}

.data_caution_title {
  font-size: 1.3em!important;
  color: #666;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: bold;
  padding-bottom: 5px;
  padding-left: 5px;
   border-bottom: 1px solid #ccc!important;
}

.data_caution_title i {
  color:#7FBEC4;
  font-size: 1.5em;
  padding-bottom: 5px;
}

.data_caution_grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
}

.data_caution_item {
  display: flex;
  flex-direction: column;
  background-color: transparent;
}

.caution_image {
  margin-bottom:10px;
  background: #fff;
  padding: 10px;
  text-align: center;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  border-radius: 4px;
}

.caution_image img {
  max-width: 100%;
  height: auto;
}

.caution_content {
  background-color: #f2f2f2;
  padding: 15px;
}

.caution_content h5 {
  font-size: 1.1em;
  margin: 0 0 5px;
  color: #333;
  font-weight: bold;
}

.caution_content p {
  font-size: 0.95em;
  color: #333;
  margin: 0;
}

.check_list {
background-color: #f2f2f2;
margin-top:20px;
padding: 30px 20px;
border-radius: 8px;
list-style: none;
}

.check_list li {
margin-left:10px;
margin-bottom: 10px;
display: flex;
align-items: center;
}

 .check_list li i {
color:	#7FBEC4;
margin-right: 10px;
font-size: 1.3em; /* ← ここでアイコンだけ大きく */
line-height: 1;
}

@media screen and (max-width: 768px) {
  /* 横並びチェックリスト → 縦並びに */
  .horizontal-check-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 1em;
  }

  /* 注意アイテムの2カラム → 1カラムに */
  .data_caution_grid {
    grid-template-columns: 1fr;
  }

  /* 各セクションの左右余白を調整（例） */
  .data_caution_section {
    padding: 20px 15px;
    width: 100%;
  }

  /* ステップアイコンを少し小さく */
  .step-icon {
    width: 1.8em;
    height: 1.8em;
    line-height: 1.8em;
    font-size: 0.9em;
  }

  /* チェックリストの余白調整 */
  .check_list {
    padding: 20px 15px;
  }

  .data-image img {
    width: 100%;
    height: auto;
  }

  /* h3見出しのpadding調整 */
  .data_sakusei h3 {
    padding: 15px;
    font-size: 1.1em;
  }

  .caution_content h5 {
    font-size: 1em;
  }

  .caution_content p {
    font-size: 0.9em;
  }
}