/* -------------------------
   概要パート
*/
.overview-text {
  font-size: 20px;
  font-weight: 400;
  color: #333;
  line-height: 1.9;
}

.overview-text-marker {
  background: linear-gradient(transparent 65%, #e6f4f5 65%);
  font-weight: 600;
}

/* -------------------------
   課題パート
*/
.problem-section {
  padding: 40px 20px;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 800px;
  margin: 0 auto 16px;
}

.section-title {
  font-size: 32px;
  font-weight: bold;
  color: #606060;
  margin: 0;
}

.section-image {
  width: 180px;
  height: auto;
}

.section-divider {
  max-width: 800px;
  margin: 0 auto 40px;
  border-bottom: 4px solid #ccc;
}

/* -------------------------
  Gridコンテナ 
*/
.card-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr); /* 2列固定 */
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

/* -------------------------
 カード
*/
.card {
  flex: 1 1 calc(50% - 32px); /* 2列表示 */
  background-color: #ffffff;
  border: 4px solid #5ab3b5;
  border-radius: 36px;
  padding: 24px 20px;
  box-sizing: border-box;
  transition: 0.3s;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.1);
}

/* -------------------------
   タイトル
*/
.card-title {
  font-size: 24px;
  color: #333;
  margin-bottom: 16px;
  padding-left: 32px;
  position: relative;
}

.card-title::before {
  content: "";
  width: 24px;
  height: 24px;
  background-color: #5ab3b5;
  position: absolute;
  left: 0;
  top: 10px;
}

/* -------------------------
   リスト
*/
.card-list {
  list-style: none;
  padding-left: 18px;
}

.card-list li {
  margin-bottom: 10px;
  padding-left: 24px;
  position: relative;
  font-size: 18px;
}

.card-list li::before {
  content: "・";
  position: absolute;
  left: 0;
}

/* -------------------------
   レスポンシブ
*/
@media screen and (max-width: 768px) {
  .card-container {
    grid-template-columns: 1fr;
  }

  .card {
    flex: 1 1 100%; /* 1列 */
  }

  .section-title {
    font-size: 22px;
  }
}

/* -------------------------
   文字の強調
*/
.highlight {
  font-weight: bold;
  color: #e53935;
}

.highlight-strong {
  font-weight: bold;
  color: #e53935;
  background: linear-gradient(transparent 60%, #ffe082 60%);
}

/* -------------------------
   特長パート
*/
.feature-section {
  padding: 40px 0;
  background: #fff;
}

.feature-lead {
  text-align: center;
  font-size: 20px;
  font-weight: bold;
  color: #333;
  margin-bottom: 10px;
}

.feature-title {
  text-align: center;
  font-size: 40px;
  color: #5ab3b5;
  margin-bottom: 40px;
}

/* -------------------------
   上段（3カラム）
*/
.feature-top {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  text-align: center;
  margin-bottom: 50px;
}

.feature-item img {
  width: 100px;
  margin-bottom: 10px;
}

.feature-item h4 {
  margin-bottom: 10px;
  font-size: 24px;
  color: #606060;
}

.feature-item h4::before {
  content: "◎ ";
  color: #5ab3b5;
}

/* -------------------------
   中段（2カラム）
*/
.feature-middle {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  margin-bottom: 40px;
}

.feature-card {
  background: #f5f5f5;
  padding: 30px 20px;
  text-align: center;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-card h4 {
  margin-bottom: 10px;
  font-size: 24px;
  color: #606060;
}

.feature-card img {
  height: 140px;
  margin: 20px 0;
}

.feature-label {
  display: inline-block;
  background: #fefefe;
  color: #5ab3b5;
  font-size: 24px;
  font-weight: bold;
  padding: 6px 12px;
  border-radius: 16px;
  margin-bottom: 10px;
}

.feature-label-small {
  font-size: 12px;
}

/* -------------------------
   下段（共通機能）
*/
.feature-bottom {
  background: #f5f5f5;
  text-align: center;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.feature-common {
  display: inline-block;
  background: #fefefe;
  color: #5ab3b5;
  font-size: 18px;
  font-weight: bold;
  padding: 6px 12px;
  border-radius: 20px;
  margin-bottom: 10px;
}

/* -------------------------
   レスポンシブ
*/
@media screen and (max-width: 768px) {

  .feature-top {
    grid-template-columns: 1fr;
  }

  .feature-middle {
    grid-template-columns: 1fr;
  }
}

/* -------------------------
   サービス仕様パート
*/
.spec-section {
  padding: 40px 0;
  background: #fff;
}

/* -------------------------
   テーブル
*/
.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0px;
}

.spec-table th,
.spec-table td {
  padding: 18px 20px;
  border-bottom: 2px solid #fff;
}

/* 左ラベル */
.spec-table th {
  width: 30%;
  background-color: #5ab3b5;
  color: #fff;
  text-align: left;
  font-size: 18px;
  font-weight: bold;
}

/* 右内容 */
.spec-table td {
  font-size: 18px;
  background-color: #eef3f4;
  color: #333;
}

.spec-table tr:hover td {
  background-color: #e5f4f4;
}

/* 注釈マーク */
.note {
  font-size: 14px;
  margin-left: 4px;
}

/* -------------------------
   注釈エリア
*/
.spec-notes {
  margin-top: 20px;
  font-size: 13px;
  line-height: 1.6;
  color: #555;
}

.spec-notes p {
  margin-bottom: 8px;
}

/* -------------------------
   レスポンシブ
*/
@media screen and (max-width: 768px) {

  .spec-table th,
  .spec-table td {
    display: block;
    width: 100%;
  }

  .spec-table th {
    margin-top: 10px;
  }
}