.card-section {
  width: 100%;
  max-width: 1200px;
  margin: 40px auto 48px auto;
  padding: 0 16px;
}

.card-section-title {
  text-align: center;
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  margin-bottom: 42px;
  color: #222f3e;
  line-height: 1.25;
}

.card-section-title .title-highlight {
  display: block;
  font-size: clamp(2.4rem, 3vw, 3.2rem);
  font-weight: 900;
  background: linear-gradient(90deg, #4cb8c4 0%, #43e97b 100%);
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  margin-top: 8px;
  letter-spacing: 0.04em;
}



.card-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  max-width: 1200px;
  margin: 0 auto;
}
.card {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 2px 12px rgba(60,60,60,0.08);
  flex: 1 1 280px;
  max-width: 250px;
  min-width: 230px;
  display: flex;
  flex-direction: column;
  padding: 55px 12px;
  box-sizing: border-box;
  text-align: center;
  transition: transform 0.15s, box-shadow 0.15s;
  position: relative;
  overflow: visible;
  margin-top: 44px;
}

.card-icon {
  background: #e0f7fa;;
  width: 88px;
  height: 88px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 32px rgba(79,140,255,0.25);
  position: absolute;
  top: -44px;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid #fff;
  z-index: 2;
  overflow: hidden;
  transition: box-shadow 0.2s;
}
.card-icon img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  display: block;
}
.card-title {
  font-size: 1.6rem;
  font-weight: bold;
  margin-bottom: 12px;
  background: linear-gradient(90deg, #4cb8c4 0%, #43e97b 100%);
  background-clip: text;
  color: transparent;
  font-weight: 900;
  /* color: #333; */
  margin-top: 14px; /* アイコンの余白 */
}
.card-desc {
  font-size: 1.4rem;
  color: #5f5f5f;
  margin-bottom: 0;
}
.card-link {
  display: inline-flex;
  align-items: center;
  margin-top: 24px;
  font-size: 1.8rem;
  color: #2d86ff;
  text-decoration: none;
  font-weight: bold;
  transition: color 0.18s;
  border-bottom: 1px solid #2d86ff;
  padding-bottom: 2px;
  gap: 8px;
}
.card-link-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  background: #eaf4ff;
  border-radius: 6px;
  margin-left: 4px;
  /* 薄めの青色 */
}
.card-link-icon svg {
  display: block;
  width: 16px;
  height: 16px;
  fill: #7bb8ff; /* テキストより薄い青 */
}
.card-link:hover {
  color: #19bca6;
  border-bottom: 1px solid #19bca6;
}
.card-link:hover .card-link-icon {
  background: #e0f7f3;
}
.card-link:hover .card-link-icon svg {
  fill: #19bca6;
}
.card .card-link-area {
  margin-top: auto;
}
@media (max-width: 850px) {
  .card-container {
    gap: 16px;
  }
  .card {
    max-width: 100%;
  }
}
@media (max-width: 600px) {
  .card-container {
    flex-direction: column;
    gap: 20px;
    align-items: center;
  }
  .card {
    width: 100%;
    min-width: unset;
    padding: 56px 16px 20px 16px;
    margin-top: 44px;
  }
  .card-title {
    font-size: 2.4rem;
  }
  .card .card-link-area {
    margin-top: 24px;
  }
  .card-desc {
    font-size: 1.8rem;
  }
}