/* ===== 3つの特徴 カードデザイン (写真なし) ===== */
.parallax_1 {
  position: relative;
}
.parallax_1:before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(5, 5, 5, 0.6);
}
.parallax_1 .parallax_contents {
  position: relative;
  z-index: 1;
}
.parallax_1 h2 {
  border-bottom-color: #D81618;
  text-shadow: 0 2px 10px rgba(0,0,0,0.6);
}

.feature_cards_wrap {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
}

.feature_cards {
  display: block;
  margin: 0;
  padding: 0;
}

@media (min-width: 768px) {
  .feature_cards {
    display: flex;
    flex-wrap: nowrap;
    gap: 30px;
    align-items: stretch;
    justify-content: center;
  }
}

.feature_card {
  display: block;
  width: 100%;
  max-width: 400px;
  margin: 0 auto !important;
  opacity: 1 !important;
  transform: none !important;
  transition: none !important;
  float: none !important;
}

.feature_card:not(:last-child) {
  margin-bottom: 30px;
}

@media (min-width: 768px) {
  .feature_card {
    flex: 1 1 0;
    max-width: none;
    margin-bottom: 0 !important;
  }
}

.feature_card_inner {
  position: relative;
  display: block;
  height: 100%;
  border-radius: 16px;
  overflow: hidden;
  background: rgba(20, 20, 20, 0.55);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}

.feature_card_inner:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.55);
  border-color: rgba(216, 22, 24, 0.65);
}

.feature_card_inner:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #D81618, rgba(216,22,24,0));
}

.feature_card_body {
  position: relative;
  z-index: 2;
  padding: 44px 28px 40px;
  text-align: center;
}

.feature_card_num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: 0 auto 22px;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 18px;
  font-weight: bold;
  letter-spacing: 0.05em;
  color: #ffffff;
  border-radius: 50%;
  background: linear-gradient(135deg, #D81618, #a30f11);
  box-shadow: 0 6px 18px rgba(216, 22, 24, 0.45);
}

.feature_card_title {
  position: relative;
  display: inline-block;
  margin: 0 0 18px;
  padding: 0 0 16px;
  font-size: 20px;
  font-size: 2rem;
  color: #ffffff;
  font-weight: bold;
  line-height: 1.4;
}

.feature_card_title:after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 32px;
  height: 2px;
  background: #D81618;
  transform: translateX(-50%);
}

.feature_card_text {
  margin: 0;
  color: rgba(255, 255, 255, 0.85);
  font-size: 14px;
  font-size: 1.4rem;
  line-height: 1.8;
}

@media (max-width: 767px) {
  .feature_card_body {
    padding: 36px 20px 32px;
  }
  .feature_card_title {
    font-size: 18px;
    font-size: 1.8rem;
  }
}