.set-image {
  width: 180px;
  display: block;
  margin: 0 auto;
}

.packs {
  margin: 10px 0 10px 0;
  display: flex;
  justify-content: center;
  width: 100%;
  gap: 25px;
}

.pack-image {
  width: 50px;
  height: auto;
  object-fit: contain;
}

/* cards.htmlの詳細フィルタートグルと同じデザイン */
.series-toggle {
    width: 93%;
    max-width: 300px;
    margin: 20px auto 15px;
    position: relative;
}

.toggle-btn {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 10px 14px;
    margin: 0;
    background-color: #f8f8f8;
    border: 2px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    color: #333;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.toggle-btn:hover {
    border-color: #007bff;
}

.toggle-arrow {
    transition: transform 0.3s ease;
    font-size: 12px;
    color: #666;
}

/* ここに追加 */
.toggle-btn.active {
    border-color: #007bff;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    border-bottom: none;
}

.toggle-btn.active .toggle-arrow {
    transform: rotate(180deg);
}

.series-options {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: white;
    border: 2px solid #007bff;
    border-radius: 0 0 8px 8px;
    z-index: 100;
}

.series-options.active {
    display: block;
}

.series-options button {
    width: 100%;
    padding: 10px 14px;
    border: none;
    background: white;
    cursor: pointer;
    text-align: left;
    font-size: 14px;
    color: #333;
    border-bottom: 1px solid #eee;
}

.series-options button:last-child {
    border-bottom: none;
}

.series-options button:hover {
    background-color: #f5f5f5;
}

.series-options button.active {
    background-color: #BF0A30;
    color: white;
}

.hidden {
    display: none;
}

.selected-series-text {
    margin-bottom: 10px;
    text-align: center;
    font-size: 14px;
    color: #333;
}

.content-link{
  color: inherit;
  text-decoration: none;
  display: block;
}

.sets{
    margin: 20px auto;
}