/* =========================================================
 * 共通見出しスタイル - Base Styles (PC/Common)
 * ========================================================= */

. {
  max-width: 1122px;
  margin: 0 auto;
  padding: 0 20px;
}

.history-container {
  max-width: 1123px;
  margin: 0 auto;
  padding: 0 20px;
}

.activity-history {
  padding: 80px 0;
}

.activity-history__main-title {
  text-align: center;
  font: normal normal normal 38px/65px Hiragino Sans;
  letter-spacing: 0px;
  color: #436788;
  font-weight: 500;
  opacity: 1;
  margin-bottom: 80px;
}

.activity-history__sub-title {
  font-size: 35px;
  color: #436788;
  padding-bottom: 10px;
  display: inline-block;
  font-weight: 400;
  color: rgba(67, 103, 136, 1);
}

.activity-banner {
  margin-bottom: 50px;
  padding: 0;
}

.activity-us {
  width: 100%;
  height: 316px;
  position: relative;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.activity-us__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
}

.activity-banner__title {
  font-family: 'Hiragino Sans', sans-serif;
  font-size: 60px;
  line-height: 75px;
  font-weight: normal;
  letter-spacing: -0.6px;
  color: #ffffff;
  text-align: center;
  opacity: 1;
  position: relative;
  z-index: 2;
  margin: 0;
}

/* =========================================================
 * アイテムの横並び (Flexbox) スタイル
 * ========================================================= */

.activity-history__item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 60px;
  gap: 20px;
}

.activity-history__text-col {
  width: 541px;
}

.activity-history__text-col.graph_text {
  width: 490px;
  flex-shrink: 0;
}

.activity-history__image-col {
  text-align: center;
}

/* =========================================================
 * アイテム内要素のスタイル
 * ========================================================= */

.activity-history__item-title {
  font-size: 30px;
  margin-bottom: 25px;
  font-weight: 300;
  color: rgba(67, 103, 136, 1);
}

.activity-history__item-title2 {
  font-size: 30px;
  margin-bottom: 25px;
  font-weight: 300;
  color: rgba(67, 103, 136, 1);
}

.activity-history__submain-title {
  font-size: 35px;
  letter-spacing: 0px;
  color: rgba(67, 103, 136, 1);
  font-weight: 400;
}

.activity-history__item-text {
  font-size: 20px;
  line-height: 1.7;
  font-weight: 300;
  margin-bottom: 15px;
  color: rgba(67, 103, 136, 1);
}

/* .activity-history__image-col img {
  display: block;
  position: relative;
} */

.activity-history__image-col.graph_col {
  height: 500px;
  position: relative;
}

.activity-history__image-col img.graph__image {
  max-width: 681px;
  right: -100px;
  position: absolute;
  width: 681px;
  height: auto;
  display: block;
}

.activity-history__caption {
  font-size: 18px;
  color: rgba(67, 103, 136, 1);
  margin-top: 10px;
  font-weight: 200;
}

.graph__caption {
  font-size: 18px;
  color: rgba(67, 103, 136, 1);
  font-weight: 200;
  margin-top: 10px;
  width: 200px;
  position: absolute;
  right: 141px;
  bottom: 0;
}

/* =========================================================
 * 憲章セクション
 * ========================================================= */
.activity-charter {
  padding: 80px 0;
  background-color: #f7f9fc;
}

.charter-container {
  max-width: 1123px;
  margin: 0 auto;
  padding: 0 20px;
}
.activity-charter__content {
  width: 1190px;
  margin: 0 auto;
  box-sizing: border-box;
}

.activity-charter__main-title {
  font-size: 35px;
  color: rgba(67, 103, 136, 1);
  margin-bottom: 5px;
  font-weight: 500;
}

.activity-charter__sub-title {
  font-size: 30px;
  color: #436788;
  margin-bottom: 40px;
  font-weight: 300;
}

/* リスト全体のスタイル (カウンター機能の適用) */
.activity-charter__list {
  list-style: none;
  padding: 64px 54px 30px 96px;
  margin: 0;
  background: rgba(255, 255, 255, 1);
  border-radius: 36px;
  counter-reset: list-num;
}

.activity-charter__list-item {
  position: relative;
  margin-bottom: 30px;
  padding: 0;
}
.activity-charter__list-item::before {
  counter-increment: list-num;
  content: counter(list-num) ' )';

  position: absolute;
  left: -40px;
  top: -2px;
  color: #436788;
  font-size: 20px;
  font-weight: 400;
  width: 40px;
  text-align: left;
}

.activity-charter__card {
  display: block;
}

.activity-charter__number {
  display: none;
}

.activity-charter__text {
  font-size: 20px;
  line-height: 1.7;
  color: #436788;
  font-weight: 400;
  margin-top: 0;
  margin-bottom: 0;
  padding-left: 0;
  text-indent: 0;
}

/* 追加画像レイアウトのスタイル */
.activity-charter__images {
  display: flex;
  justify-content: center;

  align-items: flex-start;
  margin-top: 50px;
  margin-left: auto;
  margin-right: auto;
}
.activity-charter__image-item {
  text-align: center;
}
.activity-charter__image-item img {
  margin: 0 auto 10px;
}

.activity-charter__caption {
  font-size: 18px;
  color: rgba(67, 103, 136, 1);
  margin: 0;
  font-weight: 200;
}

/* =========================================================
 * 祭り/イベントセクション
 * ========================================================= */
.activity-festival {
  padding: 80px 0 90px 0;
  text-align: center;
}

.activity-festival__page-title {
  color: rgba(0, 86, 174, 1);
  font-size: 38px;
  font-weight: 400;
  margin-bottom: 50px;
  position: relative;
  width: 350px;
}

.page-title::after {
  width: 240px;
}

/* ヘッダー (アイコン + タイトル) */
.activity-festival__header {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  margin-bottom: 80px;
}

.activity-festival__title-wrap {
  text-align: center;
  position: relative;
  top: 30px;
}

.activity-festival__sub-title {
  font-size: 20px;
  font-weight: 400;
  color: rgba(0, 86, 174, 1);
  margin: 0;
}

.activity-festival__main-title {
  font-size: 38px;
  color: rgba(0, 86, 174, 1);
  margin: 5px 0 0;
  font-weight: 400;
}

/* 本文 */
.activity-festival__content {
  margin: 0 auto;
}

.activity-festival__text {
  font-size: 20px;
  color: rgba(67, 103, 136, 1);
  line-height: 1.8;
  text-align: center;
  margin: 0;
}

/* ボタン */
.activity-festival__button-wrap {
  margin: 80px 0;
  text-align: center;
}

.activity-festival__button {
  display: inline-block;
  border: 1px solid rgba(0, 86, 174, 1);
  border-radius: 48px;
  padding: 15px 40px;
  width: 759px;
  height: auto;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 500;
  color: rgba(0, 86, 174, 1);
}

.activity-festival__button:hover {
  background-color: #f0f6fc;
}

/* 画像グリッド */
.activity-festival__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  column-gap: 20px;
  row-gap: 70px;
  margin: 0 auto;
}

.activity-festival__grid-item {
  text-align: center;
}

.activity-festival__grid-item img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.activity-festival__caption {
  font-size: 18px;
  color: rgba(67, 103, 136, 1);
  margin-top: 10px;
  font-weight: 200;
}

/* コピーライト */
.activity-festival__copyright {
  font-size: 14px;
  color: rgba(112, 112, 112, 1);
  text-align: center;
  margin-top: 60px;
  font-weight: 300;
}

/* =========================================================
 * 慰霊祭セクション
 * ========================================================= */
.activity-memorial {
  padding: 80px 20px;
  background-color: white;
}

/* 白いカード状のコンテナ */
.memorial-container {
  max-width: 1263px;
  margin: 0 auto;
  padding: 56px 37px 163px 37px;
  background: #f7f9fc;
  text-align: center;
  border-radius: 19px;
}

/* 見出し・本文 */
.activity-memorial__main-title {
  font-size: 38px;
  color: rgba(0, 86, 174, 1);
  margin: 0 0 10px;
  font-weight: 400;
}

.activity-memorial__sub-title {
  font-size: 30px;
  color: rgba(67, 103, 136, 1);
  margin: 0 0 40px;
  font-weight: 300;
}

.activity-memorial__content {
  margin: 0 auto 50px;
  max-width: 1189px;
  width: 100%;

  padding: 60px 37px;
  background: #ffffff;
  text-align: center;
  height: auto;

  border-radius: 36px;
}

.activity-memorial__text {
  font-size: 20px;
  color: rgba(67, 103, 136, 1);
  line-height: 1.75;
  text-align: center;
  font-weight: 300;
  margin: 0;
}

.activity-memorial__text strong {
  font-weight: 600;
}

/* 2列の画像レイアウト */
.activity-memorial__images {
  display: flex;
  justify-content: center;
  gap: 100px;
  padding-top: 60px;
  margin: 0 auto;
}

.activity-memorial__image-item {
  text-align: center;
}

.activity-memorial__caption {
  font-size: 18px;
  margin-top: 17px;
  letter-spacing: 0px;
  color: rgba(67, 103, 136, 1);
  opacity: 1;
  font-weight: 200;
}

@media (max-width: 1300px) {
  .activity-history__image-col img.graph__image {
    position: static;
    width: 467px;
  }
  .activity-history__image-col.graph_col {
    width: 467px;
    height: auto;
    position: relative;
  }
  .activity-history__text-col.graph_text {
    width: 570px;
    flex-shrink: 1;
  }
  .graph__caption {
    position: static;
    width: 100%;
  }
}

/* --- 1290px (憲章セクションの調整) --- */
@media (max-width: 1290px) {
  .activity-charter__content {
    max-width: 100%;
    padding: 0 10px;
  }
  .activity-charter__main-title {
    font-size: 30px;
  }
  .activity-charter__sub-title {
    font-size: 24px;
  }
  .activity-charter__list {
    padding: 69px 59px 30px 80px;
  }
  .activity-charter__text {
    font-size: 18px;
    line-height: 1.7;
  }
  .activity-charter__list-item::before {
    counter-increment: list-num;
    content: counter(list-num) ')';
    position: absolute;
    left: -20px;
    top: 0;
    color: #436788;
    font-size: 16px;
  }
}

/* --- 1000px (Flexbox → 縦積み/イベントキャプション) --- */
@media (max-width: 1000px) {
  /* Activity History (Flexbox to Column) */
  .activity-history__item {
    flex-direction: column;
    align-items: center;
    margin-bottom: 40px;
  }
  .activity-history__image-col {
    width: 100%;
    padding-right: 0;
    text-align: center;
    margin-top: 20px;
    position: static;
    height: auto;
  }
  .activity-history__image-col .graph__image {
    position: static;
    display: block;
    margin: 0 auto;
    max-width: 100%;
    width: auto;
  }
  .activity-history__image-col .graph__caption {
    position: static;
    right: auto;
    bottom: auto;
    width: auto;
    transform: none;
    font-size: 16px;
    color: rgba(67, 103, 136, 1);
    font-weight: 200;
  }
  .activity-history__image-col .activity-history__image {
    margin: 0 auto;
  }
  .activity-history__text-col,
  .activity-history__text-col.graph_text {
    width: 100%;
    flex-shrink: 1;
  }
  .activity-history__sub-title {
    font-size: 30px;
  }

  /* Activity Festival (Caption adjustment) */
  .activity-festival__caption {
    font-size: 14px;
  }
}

/* --- 900px (慰霊祭画像のギャップ調整) --- */
@media (max-width: 900px) {
  .activity-memorial__images {
    gap: 80px;
  }
}

/* --- 800px (イベント/祭りセクションの調整) --- */
@media (max-width: 800px) {
  .activity-festival {
    padding: 40px 0;
  }
  .activity-festival__main-title {
    font-size: 28px;
  }
  .activity-festival__header-icon {
    display: none;
  }
  .activity-festival__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .activity-festival__button {
    width: 600px;
  }
  /* ここは元のコードでコンマ(,)が誤って入っていたため削除しました。 */
  /* .activity-festival__button { width: 600px; } , <--- このコンマ */
  .activity-festival__caption {
    font-size: 12px;
  }
}

/* --- 770px (活動履歴のフォント調整) --- */
@media (max-width: 770px) {
  .activity-history__main-title {
    font-size: 28px;
  }
  .activity-history__item-title {
    font-size: 20px;
    color: #436788;
    margin-bottom: 25px;
    font-weight: 300;
  }
  .activity-history__item-text {
    font-size: 16px;
    line-height: 1.5;
  }
}

/* --- 768px (各種モバイル対応 - 慰霊祭、憲章、祭りボタンの調整) --- */
@media (max-width: 768px) {
  /* Activity Festival Button */
  .activity-festival__button {
    padding: 12px 25px;
    font-size: 16px;
  }

  .activity-charter__list {
    padding: 20px 15px 15px 35px;
  }
  .activity-charter__text {
    font-size: 14px;
  }

  /* Activity Charter Images */
  .activity-charter__images {
    flex-direction: column;
    padding: 0 10px 20px;
  }
  .activity-charter__image-item {
    width: 100%;
    margin-bottom: 20px;
  }
  .activity-charter__caption {
    font-size: 12px;
    font-weight: 200;
  }

  /* Activity Charter Content (Duplicate adjustment - kept for cascading) */
  .activity-charter__content {
    max-width: 100%;
    padding: 0 10px;
  }
  .activity-charter__main-title {
    font-size: 20px;
  }
  .activity-charter__sub-title {
    font-size: 14px;
  }

  /* Activity Memorial */
  .activity-memorial {
    padding: 40px 0;
  }
  .memorial-container {
    padding: 30px 20px;
    margin-bottom: 100px;
  }
  .activity-memorial__sub-title {
    font-size: 20px;
    margin-bottom: 30px;
  }
  .activity-memorial__images {
    flex-direction: column;
    align-items: center;
    gap: 20px;
  }
  .activity-memorial__image-item {
    width: 100%;
    max-width: 400px;
    margin-bottom: 20px;
  }
  .activity-memorial__text {
    font-size: 18px;
  }
}

/* --- 650px (イベント/祭りボタンの調整) --- */
@media (max-width: 650px) {
  .activity-festival__button {
    width: 400px;
  }
  .activity-festival__caption {
    font-size: 14px;
  }
}

/* --- 570px (活動履歴/祭り見出しの調整) --- */
@media (max-width: 570px) {
  .activity-history__main-title {
    font-size: 20px;
    margin-bottom: 40px;
  }
  .activity-charter__sub-title {
    font-size: 12px;
  }
  .activity-history__sub-title {
    font-size: 20px;
  }
  .page-title {
    padding-top: 0;
  }
  .activity-festival__page-title {
    font-size: 28px;
  }
  .activity-festival__sub-title {
    font-size: 18px;
  }
}

/* --- 500px (最小サイズ - 活動履歴の最終調整/イベントグリッド) --- */
@media (max-width: 500px) {
  /* Activity History */
  .activity-history__item {
    flex-direction: column;
    align-items: center;
    margin-bottom: 40px;
  }
  .activity-history__image-col .graph__image {
    position: static;
    display: block;
    margin: 0 auto;
    max-width: 100%;
    width: auto;
  }
  .activity-history__image-col .graph__caption {
    position: static;
    right: auto;
    bottom: auto;
    width: auto;
    transform: none;
    font-size: 16px;
    color: rgba(67, 103, 136, 1);
    font-weight: 200;
    margin-top: 10px;
  }
  .activity-history__item-title {
    font-size: 16px;
  }
  .activity-history__image-col .activity-history__image {
    margin: 0 auto;
  }
  .activity-history__image-col img.graph__image {
    width: 100%;
  }
  .activity-history__text-col,
  .activity-history__text-col.graph_text {
    width: 100%;
    flex-shrink: 1;
    font-size: 16px;
  }
  .activity-history__item-text {
    font-size: 16px;
    line-height: 1.7;
    font-weight: 300;
    margin-bottom: 15px;
  }
  .activity-history__caption {
    font-size: 14px;
  }
  .activity-history__image-col.graph_col {
    width: 100%;
  }
  .activity-history__main-title {
    font-size: 16px;
  }
  .activity-history__sub-title {
    font-size: 18px;
  }
  .activity-history__item-title2 {
    font-size: 24px;
    color: #436788;
  }

  /* Activity Festival */
  .activity-festival__main-title {
    font-size: 24px;
  }
  .activity-festival__grid {
    grid-template-columns: 1fr;
  }
  .activity-festival__copyright {
    font-size: 8px;
  }
  .activity-festival__button {
    width: 300px;
    font-size: 14px;
  }
  .activity-festival__caption {
    font-size: 18px;
  }
}