@charset "UTF-8";

.filter-section {
  margin-bottom: 30px;
  text-align: center;
}

.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  padding: 0 20px;
}

@media screen and (min-width: 768px) {
  .filter-buttons {
    margin: 0 auto;
    row-gap: 8px;
  }

  
  .filter-break {
    flex-basis: 100%;
    height: 0;
  }
}

@media screen and (max-width: 767px) {
  .filter-break {
    display: none;
  }
}

.filter-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 100px;
  padding: 10px 20px;
  border: 2px solid #dcdce5;
  border-radius: 25px;
  background: #fff;
  font-family: 'Ubuntu', 'Noto Sans JP', sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: #2b2b40;
  cursor: pointer;
  transition: all 0.3s ease;
}

.filter-btn:hover {
  border-color: #2b2b40;
  background: #f8f8f8;
}

.filter-btn.is-active {
  border-color: var(--filter-color, #2b2b40);
  background: var(--filter-color, #2b2b40);
  color: #fff;
}

.itemList li {
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.itemList li.is-hidden {
  opacity: 0;
  position: absolute;
  visibility: hidden;
  pointer-events: none;
  margin: 0 !important;
}

.itemList li.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.no-results {
  display: none;
  width: 100%;
  padding: 60px 20px;
  text-align: center;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 14px;
  color: #888;
}

.no-results.is-visible {
  display: block;
}

@media screen and (max-width: 767px) {
  .filter-section {
    margin-bottom: 16px;
  }

  
  .filter-buttons {
    display: flex;
    flex-wrap: nowrap;
    justify-content: flex-start; 
    gap: 8px;
    padding: 4px 16px;
    margin: 0;
    overflow-x: scroll;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none; 
    -ms-overflow-style: none; 
  }

  
  .filter-buttons::-webkit-scrollbar {
    display: none;
  }

  
  .filter-break {
    display: none !important;
    width: 0 !important;
    height: 0 !important;
    flex-basis: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
  }

  
  .filter-btn {
    flex: 0 0 auto;
    min-width: auto;
    padding: 6px 14px;
    font-size: 12px;
    border-width: 1.5px;
    border-radius: 16px;
    white-space: nowrap;
  }

  
  .filter-btn.is-active {
    box-shadow: 0 2px 8px rgba(43, 43, 64, 0.25);
  }
}