.party-plan-accordion {
  margin: 3em auto;
  max-width: 100%;
}
.accordion-item {
  text-align: center;
  padding: 0.75em 0;
}
.accordion-item:last-child {
}
.accordion-button {
  display: flex;
  width: 90%;
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
  justify-content: space-between;
  align-items: center;
  color: #004862;
  background-color: #FDFDFD;
  border: 1.5px solid rgba(66, 172, 209, 0.4);
  padding: 15px;
  border-radius: 5px;
  cursor: pointer;
  outline: none;
  transition: all 0.3s ease;
  text-align: left;
  position: relative; 
}
.accordion-button:hover {
  border-color: #42ACD1;
  box-shadow: 0 4px 12px rgba(0, 72, 98, 0.1);
  transform: translateY(-2px);
}
.accordion-button.active {
  color: #F3F3F1;
  background-color: #42ACD1;
  border-color: #42ACD1;
}
.plan-main-content {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  gap: 10px;
}
.plan-preview {
  display: flex;
  align-items: stretch; /* Allow items to stretch vertically */
  gap: 20px;
  flex-grow: 1;
  /* padding-right: 30px; */
}
.plan-image-container {
  position: relative;
  overflow: hidden; 
  border-radius: 3px; 
  flex-shrink: 0;
}
.plan-image {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 3px;
}
.plan-info {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.plan-details-top { /* This div now only contains the teaser */
  display: flex; /* Keep flex for potential future elements */
  flex-direction: column;
  gap: 8px;
}
.plan-teaser {
  font-size: 1em; /* Doubled from 0.85em */
  line-height: 1.5;
  color: #004862;
  margin: 0;
}
.plan-header {
  display: flex;
  padding-right: 30px; /* Make space for the icon */
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px;
}
.plan-name {
  font-size: 1.3em;
  font-weight: 600;
  color: #004862;
}
.plan-price {
  font-size: 1.2em;
  font-weight: 600;
  color: #42ACD1;
  white-space: nowrap;
}
.plan-price .per-person {
  font-size: 0.8em;
  font-weight: 400;
}
.plan-price .tax-included {
  font-size: 0.7em;
  font-weight: 400;
  margin-left: 2px;
}
.fd-tag {
  position: absolute;
  top: 0;
  left: 0;
  width: 60px;
  height: 60px;
  background: #B39354;
  clip-path: polygon(0 0, 100% 0, 0 100%);
  z-index: 1;
}
.fd-tag::after {
  content: attr(data-text);
  position: absolute;
  top: 15px;
  left: 5px;
  transform: rotate(-45deg);
  color: white;
  font-size: 10px;
  font-weight: bold;

}

.accordion-button.active .plan-name,
.accordion-button.active .plan-price,
.accordion-button.active .per-person,
.accordion-button.active .plan-teaser {
  color: #F3F3F1;
}
.accordion-icon {
  position: absolute; 
  right: 20px;
  top: 1.5em;
  border-right: 2px solid #42ACD1;
  border-bottom: 2px solid #42ACD1;
  transform: rotate(45deg);
  transition: transform 0.3s ease-out, border-color 0.3s ease;
  width: 8px;
  height: 8px;
}
.accordion-button:hover .accordion-icon,
.accordion-button.active .accordion-icon {
  border-color: #F3F3F1;
}
.accordion-button.active {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}
.accordion-button.active .accordion-icon {
  transform: rotate(-135deg); 
}
.accordion-content {
  background-color: #FDFDFD;
  border: 1px solid rgba(66, 172, 209, 0.3);
  border-top: none;
  border-radius: 0 0 5px 5px;
  box-shadow: 0 5px 15px rgba(0, 72, 98, 0.08);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  color: #004862;
  text-align: left;
  width: 90%;
  max-width: 650px;
  margin: 0 auto; 
}
.accordion-content-inner {
  padding: 20px 25px;
}
.plan-content-swiper {
  width: 100%;
  height: auto;
  margin-bottom: 1.5em;
  border-radius: 5px;
  overflow: hidden;
}
.plan-content-swiper .swiper-slide img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.plan-content-swiper .swiper-pagination-bullet {
  background-color: #fff;
  opacity: 0.8;
}
.plan-content-swiper .swiper-pagination-bullet-active {
  background-color: #42ACD1;
  opacity: 1;
}
.plan-content-swiper .swiper-button-prev,
.plan-content-swiper .swiper-button-next {
  color: #fff;

  width: 30px;
  height: 30px;
  border-radius: 50%;
}
.plan-content-swiper .swiper-button-prev::after,
.plan-content-swiper .swiper-button-next::after {
  font-size: 14px;
}
.accordion-content-inner p {
  font-size: 0.9em;
  line-height: 1.7;
}
.course-list {
  list-style: none;
  padding: 15px 20px;
  margin: 1.5em 0;
  border: 1px solid rgba(66, 172, 209, 0.3);
  border-radius: 3px;
  background-color: #fff;
}
.course-list li {
  font-size: 0.8em;
  line-height: 1.8;
  padding-left: 1.2em; 
  position: relative;
}
.course-list li::before {
  content: "・";
  position: absolute;
  left: 0;
}
.plan-conditions {
  list-style: none;
  padding: 15px 20px;
  margin: 1.5em 0;
  border: 1px dashed #B39354;
  border-radius: 3px;
  background-color: rgba(179, 147, 84, 0.05);
  color: #8c7343;
}
.plan-conditions li {
  font-size: 0.85em;
  font-weight: 600;
  line-height: 1.8;
  padding-left: 1.5em;
  position: relative;
}
.plan-conditions li::before {
  content: "※";
  position: absolute;
  left: 0;
  color: #B39354;
}
.common-conditions {
  width: 90%;
  max-width: 650px;
  margin: 0 auto 2.5em auto;
  text-align: left;
}
.filter-nav-title {
  text-align: center;
  font-size: 1.4em;
  color: #004862;
  margin-bottom: 1em;
  font-weight: 600;
  letter-spacing: 0.1em;
}
.plan-filter-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  width: 90%;
  max-width: 650px;
  margin: 0 auto 2em;
}
.filter-btn {
  background-color: #F3F3F1;
  color: #42ACD1;
  border: 1.5px solid #42ACD1;
  padding: 8px 18px;
  border-radius: 3px;
  cursor: pointer;
  font-size: 0.9em;
  font-weight: 600;
  transition: all 0.3s ease;
  white-space: nowrap;
  position: relative;
}
.filter-btn:hover,
.filter-btn.active {
  background-color: #42ACD1;
  color: #F3F3F1;
}
.accordion-item.hidden {
  display: none;
}
.popular-tag {
  position: absolute;
  top: -8px;
  right: -12px;
  background-color: #93333E;
  color: white;
  font-size: 10px;
  font-weight: bold;
  padding: 3px 7px;
  border-radius: 30px;
  z-index: 1;
}
.hashtag-container {
  margin-top: 1em; /* Added margin for spacing in new location */
  flex-wrap: wrap;
  gap: 5px;
}

.hashtag {
  display: inline-block;
  background-color: rgba(66, 172, 209, 0.15);
  color: #004862;
  font-size: 0.9em;
  padding: 3px 8px;
  border-radius: 3px;
  margin: 0;
  margin-top:5px;
  white-space: nowrap;
}
.accordion-button.active .hashtag {
  background-color: rgba(255, 255, 255, 0.25);
  color: #fff;
}