/* 共通のボタンとトグルスタイル */
.show-all-button,
.collapse-all-button {
  background-color: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  font-size: 1.04rem;
  font-weight: normal;
  font-family: inherit;
  user-select: none;
  padding: 0;
  margin: 0;
  transition: color 0.3s ease;
}

.show-all-button:hover,
.collapse-all-button:hover {
  color: var(--primary-color);
  text-decoration: underline;
}

.historical-toggle,
.year-toggle {
  font-size: 1.04rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  transition: color 0.3s ease;
}

/* イベント要素の共通スタイル */
.year-header {
  cursor: pointer;
  color: var(--primary-color);
  margin: 26px 0;
  font-weight: bold;
  font-size: 1.56rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  inline-size: 100%;
  border-style: none;
  font-family: inherit;
  background-color: unset;
}

.year-header:hover .year-toggle {
  color: var(--primary-color);
  text-decoration: underline;
}

/* メインコンテナとページタイトル */
.past-events-container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 26px;
  width: 90%;
}

.page-title {
  font-size: clamp(26px, 5vw, 36px);
  font-weight: 600;
  text-align: center;
  margin: 39px 0 52px;
  letter-spacing: 0;
  color: var(--text-dark);
}

/* イベントカテゴリ */
.event-category {
  background-color: var(--bg-light);
  padding: 13px 20px;
  border-left: 8px solid var(--secondary-color);
  margin: 104px 0 26px;
  width: 100%;
  box-sizing: border-box;
}

.event-category h2 {
  margin: 0;
  font-size: 1.46rem;
  font-weight: bold;
  color: var(--secondary-color);
}

.event-category.historical-events {
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color 0.3s ease;
  border-top-style: none;
  border-bottom-style: none;
  border-right-style: none;
  font-family: inherit;
}

.event-category.historical-events:hover {
  background-color: #f0e6d6;

  & .historical-toggle {
    text-decoration: underline;
  }
}

/* 過去のイベントリスト 朝さろん、サロン哲学 */
:is(
  .asasalon-event-list,
  .philosophy-event-list,
) {
  margin-block: 0;
  padding-inline: 0;
  font-size: 1.125rem;
  list-style-type: none;
}
:is(
  .asasalon-event-list-item,
  .philosophy-event-list-item,
) {
  padding-block: 1rem;
  border-block-end: 1px solid var(--secondary-color);
}
:is(
  .asasalon-event-number,
  .philosophy-event-number,
) {
  font-weight: bolder;
  color: var(--primary-color);
}
:is(
  .asasalon-event-date,
  .philosophy-event-date,
) {
  font-size: 0.875rem
}

/* セクションとリスト */
.year-section {
  margin-left: 26px;
}

.year-section {
  margin-bottom: 39px;
}

/* 検索機能 */
.search-container {
  display: flex;
  justify-content: flex-end;
  margin: 26px 0;
}

.search-box {
  display: flex;
  border: 1px solid var(--border-color);
  border-radius: 5px;
  overflow: hidden;
}

.search-input {
  padding: 10px 16px;
  border: none;
  outline: none;
  width: 325px;
}

.search-button {
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 10px 20px;
  cursor: pointer;
}

.search-button.search-active {
  background-color: #ff6b6b;
}

.search-button.search-active:hover {
  background-color: #ff5252;
}

/* コントロールボタン */
.control-buttons,
.group-1-controls,
.group-2-controls {
  display: flex;
  justify-content: flex-end;
  margin: 26px 0;
  margin-left: 26px;
  margin-right: 0;
}

.group-1-controls,
.group-2-controls {
  margin-bottom: 39px;
}

@media not (max-width: 768px) {
  :is(
    .asasalon-event-list,
    .philosophy-event-list,
  ) {
    display: grid;
    justify-content: space-evenly;
    row-gap: 0.5rem;
    column-gap: 1rem;
  }

  .asasalon-event-list {
    grid-template-columns: 6rem 3fr 2fr 8rem 4rem;
  }

  .philosophy-event-list {
    grid-template-columns: 6rem 1fr 8rem 4rem;
  }

  :is(
    .asasalon-event-list-item,
    .philosophy-event-list-item,
  ) {
    display: grid;
    grid-row: span 1;
    grid-column: 1 / -1;
    grid-template-columns: subgrid;
    align-items: center;
  }
}
/* レスポンシブデザイン - タブレット */
@media (max-width: 768px) {
  .year-section {
    margin-left: 23px;
  }

  .control-buttons,
  .group-1-controls,
  .group-2-controls {
    justify-content: center;
    margin-left: 0;
    margin-bottom: 33px;
  }

  .search-input {
    width: 260px;
  }
}

/* レスポンシブデザイン - スマートフォン */
@media (max-width: 480px) {
  .past-events-container {
    padding: 21px;
  }

  .page-title {
    font-size: clamp(26px, 6vw, 31px);
    margin: 33px 0 46px;
  }

  .year-section {
    margin-left: 16px;
  }

  .control-buttons,
  .group-1-controls,
  .group-2-controls {
    margin: 23px 0 29px;
  }

  .show-all-button,
  .collapse-all-button,
  .year-toggle,
  .historical-toggle {
    font-size: 0.98rem;
  }

  .show-all-button,
  .collapse-all-button {
    text-align: center;
    line-height: 1.4;
  }

  .search-container {
    justify-content: center;
    margin: 23px 0;
  }

  .search-input {
    width: 208px;
    font-size: 1.17rem;
  }

  .search-button {
    padding: 10px 16px;
    font-size: 1.17rem;
  }

  .year-header {
    font-size: 1.43rem;
    margin: 23px 0;
  }
}

/* レスポンシブデザイン - 小さなスマートフォン */
@media (max-width: 320px) {
  .past-events-container {
    padding: 15px;
  }
}