.group-section {
  padding: 40px 40px;
  background: linear-gradient(to bottom, #2C0B14, #4D0915);
}

.group-title {
  text-align: center;
}

.group-title__line {
  width: 100%;
  display: block;
}

.group-title__text {
  margin: 12px 0;
  font-size: clamp(24px, 6vw, 32px);
  font-weight: 600;
  color: #ffffff;
}

.group-text {
  margin-top: 48px;
  margin-bottom: 64px;
  font-size: clamp(16px, 4.5vw, 24px);
  line-height: 1.8;
  color: #ffffff;
  text-align: left;
}

/* ===== アコーディオン ===== */
.accordion {
  margin-top: 32px;
}

/* トリガー */
.accordion-header {
  width: 100%;
  height: 45px;
  padding: 8px 16px;
  background-color: #897171;
  border: none;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 16px;
  color: #ffffff;
  cursor: pointer;
}

.accordion-header:hover {
  opacity: 0.9;
}


.accordion-icon {
  width: 16px;
  transition: transform 0.3s;
}

/* 開いたとき */
.accordion-header.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-header.active {
  border-radius: 4px 4px 0 0;
}


/* コンテンツ */
.accordion-content {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  padding: 0 16px;
  background: linear-gradient(to bottom, #F5E8E4, #ffffff);
  transition:
    max-height 0.4s ease,
    opacity 0.3s ease,
    padding 0.3s ease;
}

.accordion-content.is-open {
  opacity: 1;
  padding: 24px 18px;
}



/* ===== 中身 ===== */
.accordion-item {
  display: flex;
  gap: 16px;
  align-items: stretch;
  margin-bottom: 12px;
}

.accordion-item img {
  width: 40%;
  object-fit: cover;
}

.accordion-item-body {
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* ホテル名 */
.hotel-name {
  font-size: clamp(16px, 1vw, 18px);
  font-weight: 600;
  color: #2C0B14;
}

/* 横線 */
.hotel-line {
  width: 105%;
  height: 1px;
  background-color: #2C0B14;
  margin-top: auto;
  margin-left: -16px;
}

/* 下端揃え用 */
.hotel-line.align-bottom {
  margin-top: auto;
}


@media (min-width:768px) {

  .group-title__text {
    font-size: 22px;
  }

  .group-text {
    font-size: 16px;
  }

  .hotel-name {
    font-size: 13px;
  }
}