#sec-features_cnv_area {
  background: #ECF6D7;
  padding-block: clamp(3.125rem, 7.634vw + 1.332rem, 5rem); /* SP 50px → PC 80px */
}
#sec-features_cnv_area .contents {
  width: 90%;
  max-width: 64em;
  margin: auto;
}
#sec-features_cnv_area h2 {
  color: #222222;
  font-size: clamp(1.4rem, 1.221vw + 1.114rem, 1.7rem); /* SP 22.4px → PC 27.2px */
  font-weight: 700;
  margin-bottom: clamp(1.5rem, 1.768vw + 1.085rem, 2.5rem); /* SP 24px → PC 40px */
  text-align: center;
  line-height: 1.3;
}
#sec-features_cnv_area .features_wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  padding: 20px;
}
#sec-features_cnv_area .features_item {
  flex: 1 1 100%;
  display: flex;
  flex-direction: column;
  border: 1px solid #ddd;
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  padding-bottom: 20px;
  text-decoration: none; /* リンクの下線を消す */
  color: inherit;         /* 文字色を継承 */
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

#sec-features_cnv_area .features_item:hover {
  transform: translateY(-5px); /* 少し浮き上がる */
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}
#sec-features_cnv_area .features_img {
  margin: 10px auto;
}
#sec-features_cnv_area .features_img img {
  height: 100px;
}
#sec-features_cnv_area .features_title {
  font-size: clamp(1rem, 1.2vw + 0.875rem, 1.25rem); /* SP 16px → PC 20px */
  margin: 15px;
  color: #333;
  text-align: center;
  font-weight: 700;
}
#sec-features_cnv_area .features_tx {
  font-size: clamp(0.938rem, 0.109vw + 0.912rem, 1rem); /* SP 15px → PC 16px */
  margin: 0 20px 10px;
  line-height: 1.6;
  color: #333333;
  flex-grow: 1;
  text-align: center;
}
#sec-features_cnv_area .features_btn {
  display: inline-block;
  position: relative;
  margin: 0 auto;
  padding: 12px 38px 14px 25px;
  background-color: #267C3A;
  color: #fff;
  text-decoration: none;
  border-radius: 50px;
  font-weight: bold;
  font-size: clamp(0.938rem, 0.109vw + 0.912rem, 1rem); /* SP 15px → PC 16px */
  transition: all 0.3s ease;
}
#sec-features_cnv_area .features_btn::after {
  content: '';
  position: absolute;
  top: 50%;
  right: 15px;
  width: 6px;
  height: 6px;
  border-top: 2px solid #fff;
  border-right: 2px solid #fff;
  transform: translateY(-50%) rotate(45deg);
  transition: all 0.3s ease;
}
#sec-features_cnv_area .features_item:hover .features_btn {
  opacity: 0.7;
}
@media screen and (min-width:48em){
  #sec-features_cnv_area .features_item {
    flex: 1;
  }
  #sec-features_cnv_area .features_img {
    margin: 15px auto;
}
  #sec-features_cnv_area .features_img img {
    height: 120px;
  }
  #sec-features_cnv_area .features_tx {
    margin: 0 15px 15px;
  }
}