/* 非表示ユーティリティ */
.hidden {
  display: none !important;
}

/* ユーザー詳細ページ全体のコンテナ */
.user-show-container {
  max-width: 960px;
  margin: 20px auto;
  padding: 20px;
  font-family: var(--font-family-base);
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* ユーザー名のヘッダー */
.user-profile-header {
  background-color: #f7f7f7;
  border-radius: 8px;
  padding: 20px 20px 25px;
  margin-bottom: 30px;
  text-align: center;
  position: relative;
  overflow: visible;
}

.user-name-header {
  font-size: 1.8em;
  font-weight: 700;
  margin: 0 0 4px 0;
  color: #1c1e21;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* プランバッジ */
.user-plan-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.45em;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  text-decoration: none;
  transition: all 0.2s ease;
}

.user-plan-badge-basic {
  background: linear-gradient(135deg, #e8eaf6 0%, #c5cae9 100%);
  color: #3949ab;
  border: 1px solid #c5cae9;
}

.user-plan-badge-basic:hover {
  background: linear-gradient(135deg, #c5cae9 0%, #9fa8da 100%);
  color: #3949ab;
  transform: translateY(-1px);
}

.user-plan-badge-pro {
  background: linear-gradient(135deg, #fff8e1 0%, #ffecb3 100%);
  color: #f57c00;
  border: 1px solid #ffecb3;
}

.user-plan-badge-pro:hover {
  background: linear-gradient(135deg, #ffecb3 0%, #ffe082 100%);
  color: #f57c00;
  transform: translateY(-1px);
}

.user-stats {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 16px;
}

/* ==============================================================================
   一言セクション
   ============================================================================== */
.user-bio-section {
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.user-bio-row {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 4px;
  max-width: 100%;
}

.user-bio-display {
  font-size: 0.9em;
  color: #65676b;
  text-align: center;
  word-break: break-word;
  overflow-wrap: break-word;
  white-space: pre-wrap;
  max-width: 300px;
  line-height: 1.5;
}

.user-bio-edit-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  color: #8a8d91;
  background: transparent;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
}

.user-bio-edit-button:hover {
  background-color: #e4e6eb;
  color: #1877f2;
}

.user-bio-form {
  width: 100%;
  max-width: 350px;
  margin-top: 8px;
}

.user-bio-input {
  width: 100%;
  padding: 8px 12px;
  font-size: 0.9em;
  border: 1px solid #dddfe2;
  border-radius: 6px;
  outline: none;
  transition: border-color 0.2s;
}

.user-bio-input:focus {
  border-color: #1877f2;
}

.user-bio-form-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 6px;
}

.user-bio-char-count {
  font-size: 0.75em;
  color: #8a8d91;
}

.user-bio-char-count.over-limit {
  color: #dc3545;
}

.user-bio-form-buttons {
  display: flex;
  gap: 6px;
}

.user-bio-cancel-button,
.user-bio-save-button {
  padding: 5px 12px;
  font-size: 0.8em;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
}

.user-bio-cancel-button {
  color: #606770;
  background: #fff;
  border: 1px solid #dddfe2;
}

.user-bio-cancel-button:hover {
  background: #f0f2f5;
}

.user-bio-save-button {
  color: #fff;
  background: #1877f2;
  border: 1px solid #1877f2;
}

.user-bio-save-button:hover {
  background: #166fe5;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: #fff;
  padding: 10px 20px;
  border-radius: 8px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  border: 1px solid #e4e6eb;
  min-width: 70px;
}

.stat-label {
  font-size: 0.75em;
  color: #8a8d91;
  margin-top: 2px;
}

.stat-value {
  font-size: 1.3em;
  font-weight: 600;
  color: #1c1e21;
}

/* クリック可能なstat-item（図鑑リンク） */
a.stat-item-link {
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

a.stat-item-link:hover {
  border-color: #1877f2;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(24, 119, 242, 0.15);
}

a.stat-item-link:hover .stat-value {
  color: #1877f2;
}

/* ナイス未読時の振動アニメーション（マイページ内） */
.stat-item {
  position: relative;
}

.stat-item-shake {
  animation: stat-item-shake 4s ease-in-out infinite;
}

@keyframes stat-item-shake {
  0%, 85%, 100% {
    transform: translateX(0) rotate(0);
  }
  87% {
    transform: translateX(-2px) rotate(-1deg);
  }
  89% {
    transform: translateX(2px) rotate(1deg);
  }
  91% {
    transform: translateX(-2px) rotate(-0.5deg);
  }
  93% {
    transform: translateX(2px) rotate(0.5deg);
  }
  95% {
    transform: translateX(-1px) rotate(-0.5deg);
  }
  97% {
    transform: translateX(1px) rotate(0.5deg);
  }
}

/* 釣果一覧のグリッド */
.fishing-reports-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

/* 釣果カード */
.fishing-report-card {
  background-color: #fff;
  border: 1px solid #e4e6eb;
  border-radius: 10px;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.fishing-report-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.fishing-report-card a {
  text-decoration: none;
  color: inherit;
  display: block;
}

/* 釣果カードの画像 */
.fishing-report-card-image {
  width: 100%;
  padding-top: 100%; /* アスペクト比 1:1 (正方形) */
  position: relative;
  background-color: #f0f2f5;
  overflow: hidden;
}

.fishing-report-image-thumbnail {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.fishing-report-card:hover .fishing-report-image-thumbnail {
  transform: scale(1.03);
}

/* オーバーレイコンテナ */
.fishing-report-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 10px 10px 8px;
  /* WCAG 2.1 AA基準を満たすため、グラデーションをより暗く調整 */
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.6) 60%, rgba(0, 0, 0, 0.2) 85%, transparent 100%);
  display: flex;
  flex-direction: column;
  gap: 3px;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.fishing-report-card:hover .fishing-report-card-overlay {
  opacity: 1;
}

/* 日付オーバーレイ - WCAG AA基準対応 */
.fishing-report-card-date-overlay {
  color: #fff;
  font-size: 0.7em;
  font-weight: 500;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

/* 魚の名前 - WCAG AA基準対応 */
.fishing-report-card-fish-name {
  color: #fff;
  font-size: 0.9em;
  font-weight: 700;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
}

/* コメントオーバーレイ - WCAG AA基準対応 */
.fishing-report-card-comment-overlay {
  color: #fff;
  font-size: 0.75em;
  font-weight: 400;
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

/* 投稿がない場合のメッセージ */
.user-show-container p {
  text-align: center;
  color: #606770;
  margin-top: 30px;
}

/* 戻るリンク */
.user-show-container .back-link {
  display: inline-block;
  margin-top: 20px;
  color: #1877f2;
  text-decoration: none;
}

.user-show-container .back-link:hover {
  text-decoration: underline;
}

/* セクションタイトル（マイページ用） */
.user-show-container .section-title {
  font-size: 1.3em;
  font-weight: 600;
  color: #1c1e21;
  margin-bottom: 15px;
  padding-bottom: 8px;
  border-bottom: 2px solid #1877f2;
}

/* ユーザー釣果マップセクション */
.user-map-section {
  margin-top: 30px;
}

.user-map-container {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* IDセレクタの優先度に対抗するため、より具体的なセレクタを使用 */
.user-map-container #map {
  width: 100%;
  height: 400px;
}

/* 活動グラフ */
.activity-graph-container {
  margin-top: 40px;
}

.activity-graph-container h2 {
  text-align: center;
  margin-bottom: 20px;
}

.activity-graph {
  display: flex;
  align-items: flex-start;
  padding-bottom: 10px; /* For scrollbar if needed on larger screens */
}

.graph-blocks {
  display: grid;
  grid-auto-flow: column;
  grid-template-rows: repeat(7, 1fr);
  grid-template-columns: repeat(53, 1fr); /* 1年分 (約53週) */
  gap: 3px;
  position: relative;
  padding-top: 0; /* 月ラベルがないため0に */
}

.graph-block {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  background-color: #ebedf0; /* デフォルトの色 (釣果なし) */
}

/* 釣果数に応じた色のレベル */
.activity-level-0 { background-color: #ebedf0; } /* 釣果なし */
.activity-level-1 { background-color: #cce7f5; } /* 薄い青 */
.activity-level-2 { background-color: #80bde3; } /* 青 */
.activity-level-3 { background-color: #4d92c2; } /* 濃い青 */
.activity-level-4 { background-color: #2b6794; } /* 最も濃い青 */

/* スマホ対応のグラフ表示調整 */
@media (max-width: 768px) {
  .activity-graph {
    overflow-x: hidden; /* 横スクロールを無効化 */
    justify-content: flex-end; /* 右端（最新）から表示 */
    /* 画面幅の約90%を使用し、コンテナのパディングを考慮 */
    max-width: calc(100% - 30px);
    margin: 0 auto; /* 中央寄せ */
  }

  .graph-blocks {
    /* 常に全期間のグリッドを生成し、親のoverflow: hiddenとflex-endで直近を表示 */
    /* min-widthは不要、grid-template-columnsで十分 */
    grid-template-columns: repeat(53, 1fr); /* 53週分 */
    padding-top: 0; /* 月ラベルがないため0に */
  }
}

/* タブレット・スマホ対応 */
@media (max-width: 768px) {
  .user-show-container {
    margin: 10px;
    padding: 15px;
  }

  .fishing-reports-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 10px;
  }

  /* タブレット以下ではホバーエフェクトを無効化 */
  .fishing-report-card:hover {
    transform: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  }

  .fishing-report-card:hover .fishing-report-image-thumbnail {
    transform: none;
  }

  /* タブレット以下ではオーバーレイを常時表示 */
  .fishing-report-card-overlay {
    opacity: 1;
    padding: 6px 8px;
  }

  .fishing-report-card-date-overlay {
    font-size: 0.65em;
  }

  .fishing-report-card-fish-name {
    font-size: 0.8em;
  }

  .fishing-report-card-comment-overlay {
    display: none;
  }

  .user-map-container #map {
    height: 300px;
  }
}

@media (max-width: 480px) {
  .fishing-reports-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
  }

  .fishing-report-card {
    border-radius: 6px;
  }

  .fishing-report-card-overlay {
    padding: 4px 6px;
    gap: 1px;
  }

  .fishing-report-card-date-overlay {
    font-size: 0.55em;
  }

  .fishing-report-card-fish-name {
    font-size: 0.7em;
  }

  .user-name-header {
    font-size: 1.5em;
  }
}

/* ==============================================================================
   アカウント設定セクション（スマホ用）
   ============================================================================== */
.account-settings-section {
  display: none; /* PCでは非表示 */
  margin-top: 30px;
}

@media (max-width: 768px) {
  .account-settings-section {
    display: block; /* スマホで表示 */
  }
}

.account-settings-links {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background-color: #dddfe2;
  border-radius: 8px;
  overflow: hidden;
}

.account-settings-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background-color: #fff;
  text-decoration: none;
  color: #1c1e21;
  font-size: 0.95em;
  font-weight: 500;
  transition: background-color 0.2s;
  border: none;
  cursor: pointer;
  width: 100%;
  text-align: left;
}

.account-settings-link:hover,
.account-settings-link:active {
  background-color: #f0f2f5;
}

.account-settings-link svg {
  flex-shrink: 0;
  color: #606770;
}

.account-settings-link span {
  flex: 1;
}

.account-settings-link .chevron-icon {
  color: #ccd0d5;
}

.account-settings-link.logout-link {
  color: #dc3545;
}

.account-settings-link.logout-link svg:not(.chevron-icon) {
  color: #dc3545;
}

/* ==============================================================================
   マイタックルセクション
   ============================================================================== */
.tackle-management-section {
  margin-top: 30px;
}

.tackle-quick-stats {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 16px;
}

.tackle-links {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background-color: #dddfe2;
  border-radius: 8px;
  overflow: hidden;
}

.tackle-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background-color: #fff;
  text-decoration: none;
  color: #1c1e21;
  font-size: 0.95em;
  font-weight: 500;
  transition: background-color 0.2s;
}

.tackle-link:hover,
.tackle-link:active {
  background-color: #f0f2f5;
}

.tackle-link-disabled {
  background-color: #f7f8fa;
  color: #a0a3a7;
  cursor: not-allowed;
}

.tackle-link-disabled:hover,
.tackle-link-disabled:active {
  background-color: #f7f8fa;
}

.tackle-link-disabled svg {
  color: #c4c6c9;
}

.tackle-link svg {
  flex-shrink: 0;
  color: #606770;
}

.tackle-link span {
  flex: 1;
}

.tackle-link .chevron-icon {
  color: #ccd0d5;
}

/* ==============================================================================
   アカウント設定セクション（PC用）
   ============================================================================== */
.account-settings-section-pc {
  margin-top: 30px;
}

.account-settings-links-pc {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background-color: #dddfe2;
  border-radius: 8px;
  overflow: hidden;
}

.account-settings-link-pc {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background-color: #fff;
  text-decoration: none;
  color: #1c1e21;
  font-size: 0.95em;
  font-weight: 500;
  transition: background-color 0.2s;
}

.account-settings-link-pc:hover,
.account-settings-link-pc:active {
  background-color: #f0f2f5;
}

.account-settings-link-pc svg {
  flex-shrink: 0;
  color: #606770;
}

.account-settings-link-pc span {
  flex: 1;
}

.account-settings-link-pc .chevron-icon {
  color: #ccd0d5;
}

/* スマホではPC用アカウント設定を非表示（スマホ用セクションに表示） */
@media (max-width: 768px) {
  .account-settings-section-pc {
    display: none;
  }
}

/* ==============================================================================
   他ユーザーのタックルセット表示
   ============================================================================== */
.user-tackle-sets-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.user-tackle-set-card {
  background-color: #fff;
  padding: 16px;
  border-radius: 8px;
  border: 1px solid #e4e6eb;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.user-tackle-set-card .tackle-set-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: #1c1e21;
  margin: 0 0 16px 0;
  padding-bottom: 10px;
  border-bottom: 1px solid #e4e6eb;
}

.user-tackle-set-card .tackle-set-items {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.user-tackle-set-card .tackle-set-type-section {
  background-color: #f7f8fa;
  border-radius: 6px;
  padding: 12px;
}

.user-tackle-set-card .item-type-header {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: #1877f2;
  margin-bottom: 10px;
}

.user-tackle-set-card .item-type-header .item-type-icon {
  width: 16px;
  height: 16px;
  color: #1877f2;
}

.user-tackle-set-card .tackle-items-detail {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.user-tackle-set-card .tackle-item-detail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  background-color: #fff;
  padding: 10px 12px;
  border-radius: 6px;
}

.user-tackle-set-card .tackle-manufacturer {
  font-size: 12px;
  font-weight: 500;
  color: #1877f2;
  background-color: #e7f3ff;
  padding: 3px 8px;
  border-radius: 4px;
}

.user-tackle-set-card .tackle-product-name {
  font-size: 14px;
  font-weight: 500;
  color: #1c1e21;
}

.user-tackle-set-card .tackle-original-name {
  font-size: 12px;
  color: #65676b;
}

.user-tackle-set-card .tackle-item-memo {
  width: 100%;
  font-size: 12px;
  color: #65676b;
  font-style: italic;
  padding-left: 8px;
  border-left: 2px solid #dddfe2;
  margin-top: 4px;
}


/* ==============================================================================
   プライバシー設定セクション
   ============================================================================== */
.privacy-settings-section {
  margin-top: 30px;
  background-color: #f7f7f7;
  border-radius: 8px;
  padding: 20px;
}

.privacy-settings-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.privacy-settings-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.privacy-settings-label {
  font-size: 15px;
  font-weight: 600;
  color: #1c1e21;
}

.privacy-settings-hint {
  font-size: 13px;
  color: #65676b;
}

/* トグルスイッチ */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 28px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  transition: 0.3s;
  border-radius: 28px;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 22px;
  width: 22px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: 0.3s;
  border-radius: 50%;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.toggle-switch input:checked + .toggle-slider {
  background-color: #1877f2;
}

.toggle-switch input:checked + .toggle-slider:before {
  transform: translateX(22px);
}

.toggle-switch input:focus + .toggle-slider {
  box-shadow: 0 0 0 3px rgba(24, 119, 242, 0.2);
}

/* ==============================================================================
   プロフィールアイコン
   ============================================================================== */
.user-avatar-wrapper {
  display: inline-flex;
  flex-shrink: 0;
}

.user-avatar {
  border-radius: 50%;
  flex-shrink: 0;
}

.user-avatar-image {
  object-fit: cover;
}

.user-avatar-initial {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  font-weight: 600;
  text-transform: uppercase;
}

.user-avatar-default {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f5f5f5;
  border: 1px solid #e0e0e0;
}

.user-avatar-default .user-avatar-icon {
  width: 80%;
  height: 80%;
}

/* プロフィールヘッダー用アバター */
.user-profile-avatar-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.user-profile-avatar-wrapper {
  position: relative;
  display: inline-block;
}

.user-profile-avatar-wrapper .user-avatar {
  border: 3px solid #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* アイコン変更ボタン */
.profile-icon-edit-trigger {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 28px;
  height: 28px;
  background-color: #1877f2;
  border: 2px solid #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 0.2s;
}

.profile-icon-edit-trigger:hover {
  background-color: #166fe5;
}

.profile-icon-edit-trigger svg {
  width: 14px;
  height: 14px;
  color: #fff;
}

/* アイコン変更フォーム（モーダル風） */
.profile-icon-form-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.profile-icon-form-modal {
  background-color: #fff;
  border-radius: 12px;
  padding: 24px;
  max-width: 400px;
  width: 90%;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  box-sizing: border-box;
}

.profile-icon-form-title {
  font-size: 1.2em;
  font-weight: 600;
  color: #1c1e21;
  margin: 0 0 16px 0;
  text-align: center;
}

.profile-icon-preview {
  display: flex;
  justify-content: center;
  margin-bottom: 16px;
}

.profile-icon-file-input {
  display: none;
}

.profile-icon-file-label {
  display: block;
  width: 100%;
  padding: 12px;
  text-align: center;
  background-color: #f0f2f5;
  border: 2px dashed #ccd0d5;
  border-radius: 8px;
  color: #606770;
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: 16px;
  box-sizing: border-box;
}

.profile-icon-file-label:hover {
  background-color: #e4e6eb;
  border-color: #1877f2;
  color: #1877f2;
}

/* 警告メッセージ */
.profile-icon-form-modal .profile-icon-caution {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  font-size: 0.75rem;
  color: #e74c3c;
  margin: 0 0 16px 0;
  line-height: 1.4;
  background-color: #fef5f5;
  padding: 10px 12px;
  border-radius: 6px;
  border: 1px solid #fce4e4;
}

.profile-icon-form-modal .profile-icon-caution svg {
  flex-shrink: 0;
  margin-top: 1px;
  color: #e74c3c;
}

.profile-icon-form-modal .profile-icon-caution span {
  flex: 1;
}

.profile-icon-form-buttons {
  display: flex;
  gap: 12px;
}

.profile-icon-form-buttons button,
.profile-icon-form-buttons .profile-icon-cancel-button {
  flex: 1;
  padding: 10px 16px;
  border-radius: 6px;
  font-size: 0.95em;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
  text-decoration: none;
}

.profile-icon-submit-button {
  background-color: #1877f2;
  color: #fff;
  border: none;
}

.profile-icon-submit-button:hover {
  background-color: #166fe5;
}

.profile-icon-cancel-button {
  background-color: #fff;
  color: #606770;
  border: 1px solid #ccd0d5;
  display: block;
}

.profile-icon-cancel-button:hover {
  background-color: #f0f2f5;
}

/* アイコン削除ボタン */
.profile-icon-delete-section {
  margin-top: 12px;
  text-align: center;
}

.profile-icon-delete-button {
  color: #dc3545;
  font-size: 0.85em;
  background: none;
  border: none;
  cursor: pointer;
  text-decoration: underline;
}

.profile-icon-delete-button:hover {
  color: #c82333;
}

/* ==============================================================================
   ナイスフィッシュをくれた人一覧ページ
   ============================================================================== */
.received-reactions-container {
  max-width: 600px;
  margin: 0 auto;
  padding: 20px;
  padding-bottom: 80px;
  min-height: calc(100vh - 120px);
  position: relative;
  z-index: 1;
}

.received-reactions-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
}

.received-reactions-header .back-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: #65676b;
  transition: background-color 0.2s;
}

.received-reactions-header .back-link:hover {
  background-color: #f0f2f5;
}

.received-reactions-header h1 {
  font-size: 1.3em;
  font-weight: 600;
  color: #1c1e21;
  margin: 0;
}

.reactions-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background-color: #e4e6eb;
  border-radius: 8px;
  overflow: hidden;
}

.reaction-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background-color: #fff;
}

.reaction-user {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
}

.reaction-user a {
  flex-shrink: 0;
}

.reaction-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.reaction-user-name {
  font-size: 0.95em;
  font-weight: 500;
  color: #1c1e21;
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.reaction-user-name:hover {
  text-decoration: underline;
}

.reaction-datetime {
  font-size: 0.8em;
  color: #65676b;
}

.reaction-report {
  flex-shrink: 0;
  margin-left: 12px;
}

.reaction-report-thumbnail {
  width: 50px;
  height: 50px;
  border-radius: 6px;
  object-fit: cover;
}

.reactions-empty {
  text-align: center;
  padding: 40px 20px;
  background-color: #f7f8fa;
  border-radius: 8px;
}

.reactions-empty p {
  color: #65676b;
  font-size: 0.95em;
  margin: 0;
}

@media (max-width: 480px) {
  .received-reactions-container {
    padding: 15px;
  }

  .reaction-item {
    padding: 10px 12px;
  }

  .reaction-report-thumbnail {
    width: 44px;
    height: 44px;
  }
}

/* ==============================================================================
   ナイスフィッシュをくれた人一覧ページ - 海のシーン
   ============================================================================== */
.reactions-ocean {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, #0ea5e9 0%, #0284c7 40%, #0369a1 100%);
  z-index: -1;
  overflow: hidden;
  transition: background 0.5s ease;
}

/* 時間帯による海の色の変化 */

/* 昼の海（デフォルト） - 明るい青 */
.reactions-ocean-day {
  background: linear-gradient(180deg, #0ea5e9 0%, #0284c7 40%, #0369a1 100%);
}

/* 朝焼けの海 - ピンク〜オレンジ〜青のグラデーション */
.reactions-ocean-dawn {
  background: linear-gradient(180deg, #fda4af 0%, #fb923c 20%, #f97316 35%, #0ea5e9 60%, #0284c7 100%);
}

/* 夕焼けの海 - オレンジ〜紫〜暗い青のグラデーション */
.reactions-ocean-sunset {
  background: linear-gradient(180deg, #f97316 0%, #ea580c 15%, #c026d3 35%, #7c3aed 55%, #1e3a5f 80%, #0f172a 100%);
}

/* 夜の海 - 暗い青〜紺のグラデーション */
.reactions-ocean-night {
  background: linear-gradient(180deg, #1e3a5f 0%, #172554 30%, #0f172a 60%, #020617 100%);
}

/* 夜の海では魚を少し暗く */
.reactions-ocean-night .reactions-fish-svg {
  fill: rgba(200, 220, 255, 0.7);
}

/* 夕焼けの海では魚をオレンジがかった色に */
.reactions-ocean-sunset .reactions-fish-svg {
  fill: rgba(255, 230, 200, 0.85);
}

/* 朝焼けの海では魚をピンクがかった色に */
.reactions-ocean-dawn .reactions-fish-svg {
  fill: rgba(255, 220, 230, 0.85);
}

/* 夜の泡は少し暗く */
.reactions-ocean-night .reactions-bubble {
  background: radial-gradient(circle at 30% 30%, rgba(150, 180, 220, 0.6), rgba(100, 140, 180, 0.2));
  opacity: 0.5;
}

/* 海がある時のコンテンツスタイル調整 */
.reactions-ocean ~ .received-reactions-content .received-reactions-header h1 {
  color: #fff;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.reactions-ocean ~ .received-reactions-content .received-reactions-header .back-link {
  color: #fff;
  background-color: rgba(255, 255, 255, 0.2);
}

.reactions-ocean ~ .received-reactions-content .received-reactions-header .back-link:hover {
  background-color: rgba(255, 255, 255, 0.3);
}

/* 泡 */
.reactions-bubbles {
  position: absolute;
  inset: 0;
}

.reactions-bubble {
  position: absolute;
  bottom: -20px;
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.2));
  border-radius: 50%;
  opacity: 0.7;
}

.reactions-bubble-1 { left: 8%; width: 8px; height: 8px; animation: reactions-bubble-rise 6s ease-in-out infinite 0.5s; }
.reactions-bubble-2 { left: 25%; width: 5px; height: 5px; animation: reactions-bubble-rise 8s ease-in-out infinite 2.3s; }
.reactions-bubble-3 { left: 45%; width: 7px; height: 7px; animation: reactions-bubble-rise 7s ease-in-out infinite 4.1s; }
.reactions-bubble-4 { left: 65%; width: 4px; height: 4px; animation: reactions-bubble-rise 9s ease-in-out infinite 1.7s; }
.reactions-bubble-5 { left: 85%; width: 6px; height: 6px; animation: reactions-bubble-rise 6.5s ease-in-out infinite 5.8s; }

@keyframes reactions-bubble-rise {
  0%, 100% { transform: translateY(0) translateX(0) scale(0); opacity: 0; }
  10% { transform: translateY(-30px) translateX(3px) scale(1); opacity: 0.7; }
  90% { transform: translateY(-100vh) translateX(-5px) scale(0.5); opacity: 0.2; }
}

/* 大きい魚（10カウント） */
.reactions-big-fish-group {
  position: absolute;
  inset: 0;
}

.reactions-big-fish {
  position: absolute;
  width: 64px;
  height: 48px;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
}

.reactions-big-fish-svg {
  width: 100%;
  height: 100%;
  fill: rgba(255, 215, 100, 0.9);
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.25));
}

/* 大きい魚の位置とアニメーション */
.reactions-big-fish-1 { animation: reactions-big-fish-swim-1 35s ease-in-out infinite -5s; }
.reactions-big-fish-2 { animation: reactions-big-fish-swim-2 40s ease-in-out infinite -15s; }
.reactions-big-fish-3 { animation: reactions-big-fish-swim-1 38s ease-in-out infinite -25s; }
.reactions-big-fish-4 { animation: reactions-big-fish-swim-2 42s ease-in-out infinite -10s; }
.reactions-big-fish-5 { animation: reactions-big-fish-swim-1 36s ease-in-out infinite -30s; }

/* 大きい魚のアニメーション - ゆったり泳ぐ */
@keyframes reactions-big-fish-swim-1 {
  0% { left: -80px; top: 30%; transform: scaleX(1); }
  15% { left: 25%; top: 20%; transform: scaleX(1); }
  30% { left: 50%; top: 35%; transform: scaleX(1); }
  48% { left: calc(100% + 80px); top: 25%; transform: scaleX(1); }
  50% { left: calc(100% + 80px); top: 25%; transform: scaleX(-1); }
  65% { left: 60%; top: 40%; transform: scaleX(-1); }
  80% { left: 30%; top: 28%; transform: scaleX(-1); }
  98% { left: -80px; top: 35%; transform: scaleX(-1); }
  100% { left: -80px; top: 30%; transform: scaleX(1); }
}

@keyframes reactions-big-fish-swim-2 {
  0% { left: calc(100% + 80px); top: 55%; transform: scaleX(-1); }
  15% { left: 70%; top: 65%; transform: scaleX(-1); }
  30% { left: 40%; top: 50%; transform: scaleX(-1); }
  48% { left: -80px; top: 60%; transform: scaleX(-1); }
  50% { left: -80px; top: 60%; transform: scaleX(1); }
  65% { left: 35%; top: 48%; transform: scaleX(1); }
  80% { left: 65%; top: 58%; transform: scaleX(1); }
  98% { left: calc(100% + 80px); top: 52%; transform: scaleX(1); }
  100% { left: calc(100% + 80px); top: 55%; transform: scaleX(-1); }
}

/* data-big-fish-countに応じて大きい魚を表示 */
.reactions-ocean[data-big-fish-count="1"] .reactions-big-fish-1,
.reactions-ocean[data-big-fish-count="2"] .reactions-big-fish-1,
.reactions-ocean[data-big-fish-count="2"] .reactions-big-fish-2,
.reactions-ocean[data-big-fish-count="3"] .reactions-big-fish-1,
.reactions-ocean[data-big-fish-count="3"] .reactions-big-fish-2,
.reactions-ocean[data-big-fish-count="3"] .reactions-big-fish-3,
.reactions-ocean[data-big-fish-count="4"] .reactions-big-fish-1,
.reactions-ocean[data-big-fish-count="4"] .reactions-big-fish-2,
.reactions-ocean[data-big-fish-count="4"] .reactions-big-fish-3,
.reactions-ocean[data-big-fish-count="4"] .reactions-big-fish-4,
.reactions-ocean[data-big-fish-count="5"] .reactions-big-fish-1,
.reactions-ocean[data-big-fish-count="5"] .reactions-big-fish-2,
.reactions-ocean[data-big-fish-count="5"] .reactions-big-fish-3,
.reactions-ocean[data-big-fish-count="5"] .reactions-big-fish-4,
.reactions-ocean[data-big-fish-count="5"] .reactions-big-fish-5 { opacity: 1; }

/* 夜の大きい魚は少し暗く */
.reactions-ocean-night .reactions-big-fish-svg {
  fill: rgba(180, 160, 100, 0.7);
}

/* 夕焼けの大きい魚 */
.reactions-ocean-sunset .reactions-big-fish-svg {
  fill: rgba(255, 200, 120, 0.85);
}

/* 朝焼けの大きい魚 */
.reactions-ocean-dawn .reactions-big-fish-svg {
  fill: rgba(255, 210, 150, 0.85);
}

/* 泳ぐ魚（小さい魚） */
.reactions-fish-group {
  position: absolute;
  inset: 0;
}

.reactions-fish {
  position: absolute;
  width: 32px;
  height: 24px;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
}

.reactions-fish-svg {
  width: 100%;
  height: 100%;
  fill: rgba(255, 255, 255, 0.85);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.15));
}

/* data-fish-countに応じて魚を表示 */
.reactions-ocean[data-fish-count="1"] .reactions-fish-1,
.reactions-ocean[data-fish-count="2"] .reactions-fish-1,
.reactions-ocean[data-fish-count="2"] .reactions-fish-2,
.reactions-ocean[data-fish-count="3"] .reactions-fish-1,
.reactions-ocean[data-fish-count="3"] .reactions-fish-2,
.reactions-ocean[data-fish-count="3"] .reactions-fish-3,
.reactions-ocean[data-fish-count="4"] .reactions-fish-1,
.reactions-ocean[data-fish-count="4"] .reactions-fish-2,
.reactions-ocean[data-fish-count="4"] .reactions-fish-3,
.reactions-ocean[data-fish-count="4"] .reactions-fish-4,
.reactions-ocean[data-fish-count="5"] .reactions-fish-1,
.reactions-ocean[data-fish-count="5"] .reactions-fish-2,
.reactions-ocean[data-fish-count="5"] .reactions-fish-3,
.reactions-ocean[data-fish-count="5"] .reactions-fish-4,
.reactions-ocean[data-fish-count="5"] .reactions-fish-5 { opacity: 1; }

/* 6〜10匹 */
.reactions-ocean[data-fish-count="6"] .reactions-fish-1,
.reactions-ocean[data-fish-count="6"] .reactions-fish-2,
.reactions-ocean[data-fish-count="6"] .reactions-fish-3,
.reactions-ocean[data-fish-count="6"] .reactions-fish-4,
.reactions-ocean[data-fish-count="6"] .reactions-fish-5,
.reactions-ocean[data-fish-count="6"] .reactions-fish-6,
.reactions-ocean[data-fish-count="7"] .reactions-fish-1,
.reactions-ocean[data-fish-count="7"] .reactions-fish-2,
.reactions-ocean[data-fish-count="7"] .reactions-fish-3,
.reactions-ocean[data-fish-count="7"] .reactions-fish-4,
.reactions-ocean[data-fish-count="7"] .reactions-fish-5,
.reactions-ocean[data-fish-count="7"] .reactions-fish-6,
.reactions-ocean[data-fish-count="7"] .reactions-fish-7,
.reactions-ocean[data-fish-count="8"] .reactions-fish-1,
.reactions-ocean[data-fish-count="8"] .reactions-fish-2,
.reactions-ocean[data-fish-count="8"] .reactions-fish-3,
.reactions-ocean[data-fish-count="8"] .reactions-fish-4,
.reactions-ocean[data-fish-count="8"] .reactions-fish-5,
.reactions-ocean[data-fish-count="8"] .reactions-fish-6,
.reactions-ocean[data-fish-count="8"] .reactions-fish-7,
.reactions-ocean[data-fish-count="8"] .reactions-fish-8,
.reactions-ocean[data-fish-count="9"] .reactions-fish-1,
.reactions-ocean[data-fish-count="9"] .reactions-fish-2,
.reactions-ocean[data-fish-count="9"] .reactions-fish-3,
.reactions-ocean[data-fish-count="9"] .reactions-fish-4,
.reactions-ocean[data-fish-count="9"] .reactions-fish-5,
.reactions-ocean[data-fish-count="9"] .reactions-fish-6,
.reactions-ocean[data-fish-count="9"] .reactions-fish-7,
.reactions-ocean[data-fish-count="9"] .reactions-fish-8,
.reactions-ocean[data-fish-count="9"] .reactions-fish-9 { opacity: 1; }

/* 魚の位置とアニメーション - 様々なパターンで泳ぐ */
/* 通常泳ぎ */
.reactions-fish-1 { top: 8%; animation: reactions-fish-swim-1 14s ease-in-out infinite -0s; }
.reactions-fish-2 { top: 18%; animation: reactions-fish-swim-2 16s ease-in-out infinite -7s; }
/* 途中で止まる */
.reactions-fish-3 { top: 28%; animation: reactions-fish-swim-pause-1 18s ease-in-out infinite -3s; }
.reactions-fish-4 { top: 38%; animation: reactions-fish-swim-pause-2 20s ease-in-out infinite -9s; }
/* 速度変化（急いで泳ぐ） */
.reactions-fish-5 { top: 48%; animation: reactions-fish-swim-fast-1 12s ease-in-out infinite -5s; }
.reactions-fish-6 { top: 58%; animation: reactions-fish-swim-fast-2 11s ease-in-out infinite -2s; }
/* のんびり泳ぐ */
.reactions-fish-7 { top: 68%; animation: reactions-fish-swim-slow-1 22s ease-in-out infinite -8s; }
.reactions-fish-8 { top: 78%; animation: reactions-fish-swim-slow-2 24s ease-in-out infinite -4s; }
/* 波打つように泳ぐ */
.reactions-fish-9 { top: 88%; animation: reactions-fish-swim-wave-1 16s ease-in-out infinite -6s; }

/* 通常の泳ぎ（左→右→左）- 緩やかに上下 */
@keyframes reactions-fish-swim-1 {
  0% { left: -40px; top: 8%; transform: scaleX(1); }
  25% { left: 40%; top: 3%; transform: scaleX(1); }
  48% { left: calc(100% + 40px); top: 12%; transform: scaleX(1); }
  50% { left: calc(100% + 40px); top: 12%; transform: scaleX(-1); }
  75% { left: 40%; top: 18%; transform: scaleX(-1); }
  98% { left: -40px; top: 6%; transform: scaleX(-1); }
  100% { left: -40px; top: 8%; transform: scaleX(1); }
}

/* 通常の泳ぎ（右→左→右）- 緩やかに上下 */
@keyframes reactions-fish-swim-2 {
  0% { left: calc(100% + 40px); top: 18%; transform: scaleX(-1); }
  25% { left: 60%; top: 25%; transform: scaleX(-1); }
  48% { left: -40px; top: 15%; transform: scaleX(-1); }
  50% { left: -40px; top: 15%; transform: scaleX(1); }
  75% { left: 60%; top: 10%; transform: scaleX(1); }
  98% { left: calc(100% + 40px); top: 20%; transform: scaleX(1); }
  100% { left: calc(100% + 40px); top: 18%; transform: scaleX(-1); }
}

/* 途中で止まる（左→右）- 上下にも移動 */
@keyframes reactions-fish-swim-pause-1 {
  0% { left: -40px; top: 28%; transform: scaleX(1); }
  20% { left: 30%; top: 20%; transform: scaleX(1); }
  25% { left: 30%; top: 22%; transform: scaleX(1); } /* 停止 */
  30% { left: 30%; top: 18%; transform: scaleX(1); } /* 停止 */
  48% { left: calc(100% + 40px); top: 32%; transform: scaleX(1); }
  50% { left: calc(100% + 40px); top: 32%; transform: scaleX(-1); }
  70% { left: 60%; top: 38%; transform: scaleX(-1); }
  75% { left: 60%; top: 40%; transform: scaleX(-1); } /* 停止 */
  80% { left: 60%; top: 36%; transform: scaleX(-1); } /* 停止 */
  98% { left: -40px; top: 26%; transform: scaleX(-1); }
  100% { left: -40px; top: 28%; transform: scaleX(1); }
}

/* 途中で止まる（右→左）- 上下にも移動 */
@keyframes reactions-fish-swim-pause-2 {
  0% { left: calc(100% + 40px); top: 38%; transform: scaleX(-1); }
  18% { left: 70%; top: 45%; transform: scaleX(-1); }
  23% { left: 70%; top: 47%; transform: scaleX(-1); } /* 停止 */
  28% { left: 70%; top: 43%; transform: scaleX(-1); } /* 停止 */
  48% { left: -40px; top: 35%; transform: scaleX(-1); }
  50% { left: -40px; top: 35%; transform: scaleX(1); }
  68% { left: 40%; top: 28%; transform: scaleX(1); }
  73% { left: 40%; top: 26%; transform: scaleX(1); } /* 停止 */
  78% { left: 40%; top: 30%; transform: scaleX(1); } /* 停止 */
  98% { left: calc(100% + 40px); top: 40%; transform: scaleX(1); }
  100% { left: calc(100% + 40px); top: 38%; transform: scaleX(-1); }
}

/* 速く泳ぐ（左→右）- 急加速・急減速、大きく上下 */
@keyframes reactions-fish-swim-fast-1 {
  0% { left: -40px; top: 48%; transform: scaleX(1); }
  5% { left: 15%; top: 40%; transform: scaleX(1); }
  25% { left: 50%; top: 55%; transform: scaleX(1); }
  45% { left: calc(100% + 40px); top: 42%; transform: scaleX(1); }
  50% { left: calc(100% + 40px); top: 42%; transform: scaleX(-1); }
  55% { left: 85%; top: 50%; transform: scaleX(-1); }
  75% { left: 50%; top: 38%; transform: scaleX(-1); }
  95% { left: -40px; top: 52%; transform: scaleX(-1); }
  100% { left: -40px; top: 48%; transform: scaleX(1); }
}

/* 速く泳ぐ（右→左）- 大きく上下 */
@keyframes reactions-fish-swim-fast-2 {
  0% { left: calc(100% + 40px); top: 58%; transform: scaleX(-1); }
  5% { left: 85%; top: 65%; transform: scaleX(-1); }
  25% { left: 50%; top: 52%; transform: scaleX(-1); }
  45% { left: -40px; top: 62%; transform: scaleX(-1); }
  50% { left: -40px; top: 62%; transform: scaleX(1); }
  55% { left: 15%; top: 55%; transform: scaleX(1); }
  75% { left: 50%; top: 68%; transform: scaleX(1); }
  95% { left: calc(100% + 40px); top: 56%; transform: scaleX(1); }
  100% { left: calc(100% + 40px); top: 58%; transform: scaleX(-1); }
}

/* ゆっくり泳ぐ（左→右）- なめらかに上下 */
@keyframes reactions-fish-swim-slow-1 {
  0% { left: -40px; top: 68%; transform: scaleX(1); }
  25% { left: 25%; top: 60%; transform: scaleX(1); }
  48% { left: calc(100% + 40px); top: 72%; transform: scaleX(1); }
  50% { left: calc(100% + 40px); top: 72%; transform: scaleX(-1); }
  75% { left: 25%; top: 78%; transform: scaleX(-1); }
  98% { left: -40px; top: 66%; transform: scaleX(-1); }
  100% { left: -40px; top: 68%; transform: scaleX(1); }
}

/* ゆっくり泳ぐ（右→左）- なめらかに上下 */
@keyframes reactions-fish-swim-slow-2 {
  0% { left: calc(100% + 40px); top: 78%; transform: scaleX(-1); }
  25% { left: 75%; top: 85%; transform: scaleX(-1); }
  48% { left: -40px; top: 75%; transform: scaleX(-1); }
  50% { left: -40px; top: 75%; transform: scaleX(1); }
  75% { left: 75%; top: 70%; transform: scaleX(1); }
  98% { left: calc(100% + 40px); top: 80%; transform: scaleX(1); }
  100% { left: calc(100% + 40px); top: 78%; transform: scaleX(-1); }
}

/* 波打つように泳ぐ（左→右）- 大きく波打つ */
@keyframes reactions-fish-swim-wave-1 {
  0% { left: -40px; top: 88%; transform: scaleX(1); }
  12% { left: 15%; top: 75%; transform: scaleX(1); }
  24% { left: 30%; top: 92%; transform: scaleX(1); }
  36% { left: 45%; top: 80%; transform: scaleX(1); }
  48% { left: calc(100% + 40px); top: 85%; transform: scaleX(1); }
  50% { left: calc(100% + 40px); top: 85%; transform: scaleX(-1); }
  62% { left: 55%; top: 95%; transform: scaleX(-1); }
  74% { left: 30%; top: 82%; transform: scaleX(-1); }
  86% { left: 15%; top: 90%; transform: scaleX(-1); }
  98% { left: -40px; top: 86%; transform: scaleX(-1); }
  100% { left: -40px; top: 88%; transform: scaleX(1); }
}

/* 波打つように泳ぐ（右→左）- 大きく波打つ */
@keyframes reactions-fish-swim-wave-2 {
  0% { left: calc(100% + 40px); top: 13%; transform: scaleX(-1); }
  12% { left: 85%; top: 25%; transform: scaleX(-1); }
  24% { left: 70%; top: 8%; transform: scaleX(-1); }
  36% { left: 55%; top: 20%; transform: scaleX(-1); }
  48% { left: -40px; top: 10%; transform: scaleX(-1); }
  50% { left: -40px; top: 10%; transform: scaleX(1); }
  62% { left: 45%; top: 5%; transform: scaleX(1); }
  74% { left: 70%; top: 18%; transform: scaleX(1); }
  86% { left: 85%; top: 8%; transform: scaleX(1); }
  98% { left: calc(100% + 40px); top: 15%; transform: scaleX(1); }
  100% { left: calc(100% + 40px); top: 13%; transform: scaleX(-1); }
}

/* PC版は魚の泳ぐ速度を遅くする */
@media (min-width: 769px) {
  .reactions-fish-1 { animation-duration: 26s; }
  .reactions-fish-2 { animation-duration: 30s; }
  .reactions-fish-3 { animation-duration: 34s; }
  .reactions-fish-4 { animation-duration: 38s; }
  .reactions-fish-5 { animation-duration: 22s; }
  .reactions-fish-6 { animation-duration: 20s; }
  .reactions-fish-7 { animation-duration: 40s; }
  .reactions-fish-8 { animation-duration: 44s; }
  .reactions-fish-9 { animation-duration: 30s; }
}

/* ナイスフィッシュを眺めるトグルボタン */
.fish-view-toggle-button {
  position: fixed;
  bottom: 80px;
  right: 16px;
  padding: 10px 16px;
  background-color: rgba(255, 255, 255, 0.9);
  color: #0369a1;
  border: none;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  z-index: 100;
  transition: all 0.2s ease;
}

.fish-view-toggle-button:hover {
  background-color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.fish-view-toggle-button:active {
  transform: translateY(0);
}

/* コンテンツ部分の基本スタイル（フェードイン用） */
.received-reactions-content {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.4s ease-out, transform 0.4s ease-out;
}

/* 魚鑑賞モード - コンテンツを非表示（フェードアウト） */
.fish-view-mode {
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 0.35s ease-in, transform 0.35s ease-in;
}

/* モバイル対応 */
@media (max-width: 768px) {
  .fish-view-toggle-button {
    bottom: 100px;
    right: 12px;
    padding: 8px 14px;
    font-size: 13px;
  }
}

/* ==============================================================================
   リアクション一覧のローディング表示
   ============================================================================== */
.reactions-list-loading {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 40px 20px;
}

.reactions-loading-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid #e4e6eb;
  border-top-color: #1877f2;
  border-radius: 50%;
  animation: reactions-spinner-spin 0.8s linear infinite;
}

@keyframes reactions-spinner-spin {
  to {
    transform: rotate(360deg);
  }
}

/* もっと読み込む */
.reactions-load-more {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

/* Turbo Frame内でflex構造を維持 */
.reactions-list turbo-frame,
#reactions_list turbo-frame {
  display: contents;
}

/* ==============================================================================
   ナイスフィッシュページ - PC版固定フッター
   ============================================================================== */
@media (min-width: 769px) {
  body.fixed-footer-page .site-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 100;
  }

  body.fixed-footer-page .received-reactions-container {
    padding-bottom: 70px; /* フッター高さ(50px) + 余白 */
  }
}

/* ==============================================================================
   通知セクション
   ============================================================================== */
.notifications-section {
  margin-top: 30px;
  margin-bottom: 20px;
}

.notifications-section .section-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.notifications-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  background-color: #dc3545;
  color: #fff;
  font-size: 0.7em;
  font-weight: 600;
  border-radius: 10px;
}

.notifications-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background-color: #e4e6eb;
  border-radius: 8px;
  overflow: hidden;
}

.notification-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background-color: #fff;
  text-decoration: none;
  color: inherit;
  transition: background-color 0.2s;
}

a.notification-item:hover {
  background-color: #f0f2f5;
}

.notification-unread {
  background-color: #e7f3ff;
}

.notification-unread:hover {
  background-color: #d9ebff;
}

.notification-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: #1877f2;
  border-radius: 50%;
  flex-shrink: 0;
}

.notification-icon svg {
  color: #fff;
}

.notification-unread .notification-icon {
  background-color: #1877f2;
}

.notification-content {
  flex: 1;
  min-width: 0;
}

.notification-message {
  font-size: 0.95em;
  color: #1c1e21;
  margin: 0;
  line-height: 1.4;
  word-break: break-word;
}

.notification-time {
  font-size: 0.8em;
  color: #65676b;
  margin-top: 2px;
  display: block;
}

.notification-unread .notification-time {
  color: #1877f2;
  font-weight: 500;
}

.notification-thumbnail {
  flex-shrink: 0;
}

.notification-thumbnail-image {
  width: 50px;
  height: 50px;
  border-radius: 6px;
  object-fit: cover;
}

.notifications-empty {
  text-align: center;
  padding: 30px 20px;
  background-color: #f7f8fa;
  border-radius: 8px;
  color: #65676b;
  font-size: 0.95em;
}

@media (max-width: 480px) {
  .notification-item {
    padding: 12px;
    gap: 10px;
  }

  .notification-icon {
    width: 36px;
    height: 36px;
  }

  .notification-icon svg {
    width: 18px;
    height: 18px;
  }

  .notification-message {
    font-size: 0.9em;
  }

  .notification-thumbnail-image {
    width: 44px;
    height: 44px;
  }
}

/* ==============================================================================
   通知ベルドロップダウン（リファクタリング版）
   ============================================================================== */

/* ベルアイコンコンテナ */
.notification-bell-container {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 500;
}

/* ベルボタン */
.notification-bell-button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background-color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.notification-bell-button:hover {
  background-color: #f0f2f5;
  transform: scale(1.05);
}

.notification-bell-button > svg {
  width: 22px;
  height: 22px;
  color: #606770;
  flex-shrink: 0;
}

/* 未読バッジ */
.notification-bell-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  background-color: #dc3545;
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #f7f7f7;
  line-height: 1;
}

/* バックドロップ（モーダル背景） */
.notification-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 999;
}

.notification-backdrop.hidden {
  display: none;
}

/* モーダルオープン時のスクロール防止 */
body.notification-modal-open {
  overflow: hidden;
}

/* ドロップダウンパネル */
.notification-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 380px;
  max-height: 420px;
  background-color: #fff;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
  overflow: hidden;
  z-index: 1000;
  display: flex;
  flex-direction: column;
}


/* ドロップダウンヘッダー */
.notification-dropdown-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background-color: #f8f9fa;
  border-bottom: 1px solid #e4e6eb;
  flex-shrink: 0;
}

.notification-dropdown-header h4 {
  margin: 0;
  font-size: 1.1em;
  font-weight: 700;
  color: #1c1e21;
}

/* すべてクリアボタン（フォームラッパー対応） */
#notification-clear-all {
  display: flex;
  align-items: center;
}

#notification-clear-all form {
  display: inline;
  margin: 0;
  padding: 0;
}

.notification-clear-all-btn {
  background: none;
  border: none;
  color: #1877f2;
  font-size: 0.85em;
  font-weight: 500;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: 6px;
  transition: background-color 0.2s;
}

.notification-clear-all-btn:hover {
  background-color: #e7f3ff;
}

/* ドロップダウンリスト */
.notification-dropdown-list {
  flex: 1;
  min-height: 0;
  max-height: 350px;
  overflow-y: auto;
  overflow-x: hidden;
}

/* 空の状態 */
.notification-dropdown-empty {
  padding: 40px 20px;
  text-align: center;
}

.notification-dropdown-empty p {
  margin: 0;
  color: #65676b;
  font-size: 0.95em;
}

/* ======================
   通知アイテム
   ====================== */

/* アイテムコンテナ */
.notification-dropdown-item {
  position: relative;
  background-color: #fff;
  border: 1px solid #e4e6eb;
  border-bottom: none;
}

.notification-dropdown-item:first-child {
  border-top-left-radius: 8px;
  border-top-right-radius: 8px;
}

.notification-dropdown-item:last-child {
  border-bottom: 1px solid #e4e6eb;
  border-bottom-left-radius: 8px;
  border-bottom-right-radius: 8px;
}

/* 未読状態 */
.notification-dropdown-item.notification-unread {
  background-color: #e7f3ff;
}

/* ホバー状態 */
.notification-dropdown-item:hover {
  background-color: #f0f2f5;
}

.notification-dropdown-item.notification-unread:hover {
  background-color: #d0e6ff;
}

/* ======================
   通知リンク/コンテンツ
   ====================== */

/* リンク・divのリセットと基本レイアウト */
.notification-dropdown-link {
  display: flex;
  align-items: flex-start; /* アイコンとテキストを上揃え */
  gap: 12px;
  padding: 12px 16px;
  padding-right: 48px; /* 削除ボタン用スペース */
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  box-sizing: border-box;
  width: 100%;
}

/* リンクの場合 */
a.notification-dropdown-link {
  display: flex;
}

a.notification-dropdown-link:hover {
  text-decoration: none;
}

/* ======================
   通知アバター
   ====================== */

.notification-dropdown-avatar {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
}

.notification-dropdown-avatar img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

/* アバターがない場合のフォールバック */
.notification-dropdown-icon-fallback {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #1877f2;
  border-radius: 50%;
}

.notification-dropdown-icon-fallback svg {
  width: 20px;
  height: 20px;
  color: #fff;
  stroke: #fff;
}

/* ======================
   通知テキストコンテンツ
   ====================== */

.notification-dropdown-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 4px;
  overflow: hidden;
}

/* 1行目: ユーザー名と時間の行 */
.notification-dropdown-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  gap: 8px;
}

/* 送信者名 */
.notification-dropdown-sender {
  flex: 1;
  min-width: 0;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
  color: #1c1e21;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: left;
}

/* コメント内容（2行目） */
.notification-dropdown-comment {
  font-size: 13px;
  font-weight: 400;
  color: #65676b;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  width: 100%;
  text-align: left;
}

/* 時間 */
.notification-dropdown-time {
  flex-shrink: 0;
  font-size: 12px;
  color: #65676b;
  white-space: nowrap;
  min-width: 70px;
  text-align: right;
}

/* 未読時のスタイル */
.notification-unread .notification-dropdown-sender {
  font-weight: 600;
}

.notification-unread .notification-dropdown-time {
  color: #1877f2;
  font-weight: 500;
}

/* ======================
   削除ボタン
   ====================== */

/* フォームラッパー（button_toが生成） */
.notification-delete-form {
  position: absolute;
  top: 50%;
  right: 10px;
  transform: translateY(-50%);
  margin: 0;
  padding: 0;
  z-index: 5;
}

/* 削除ボタン本体 */
.notification-delete-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  margin: 0;
  background-color: transparent;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  color: #65676b;
  opacity: 0;
  transition: opacity 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}

/* PCではホバー時に表示 */
.notification-dropdown-item:hover .notification-delete-btn {
  opacity: 1;
  background-color: rgba(0, 0, 0, 0.05);
}

.notification-delete-btn:hover {
  background-color: #ffebee;
  color: #dc3545;
}

.notification-delete-btn svg {
  width: 14px;
  height: 14px;
  pointer-events: none;
}

/* ======================
   スマホ対応 (480px以下)
   ====================== */
@media (max-width: 480px) {
  .notification-bell-container {
    position: fixed; /* スマホでは固定配置 */
    top: 12px;
    right: 12px;
    z-index: 10000; /* スマホのボトムナビ(z-index:1000)より上 */
  }

  /* スマホ用バックドロップのz-index調整 */
  .notification-backdrop {
    z-index: 9999;
  }

  .notification-bell-button {
    width: 40px;
    height: 40px;
  }

  .notification-bell-button > svg {
    width: 20px;
    height: 20px;
  }

  /* スマホでは中央モーダル */
  .notification-dropdown {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    bottom: auto;
    right: auto;
    width: 95%;
    max-width: 400px;
    max-height: 75vh;
    border-radius: 16px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    animation: fadeInNotification 0.2s ease-out;
    z-index: 10001; /* コンテナより上 */
  }

  @keyframes fadeInNotification {
    from {
      opacity: 0;
      transform: translate(-50%, -50%) scale(0.95);
    }
    to {
      opacity: 1;
      transform: translate(-50%, -50%) scale(1);
    }
  }

  /* 中央モーダルではハンドル不要 */
  .notification-dropdown::before {
    display: none;
  }

  .notification-dropdown-header {
    padding: 12px 16px 14px;
    border-bottom: 1px solid #e4e6eb;
  }

  .notification-dropdown-header h4 {
    font-size: 16px;
    font-weight: 600;
  }

  .notification-dropdown-list {
    flex: 1;
    max-height: none;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* スマホ用の通知リンク */
  .notification-dropdown-link {
    padding: 12px 16px;
    padding-right: 48px;
    gap: 12px;
    align-items: flex-start;
  }

  .notification-dropdown-avatar {
    width: 44px;
    height: 44px;
  }

  .notification-dropdown-avatar img {
    width: 44px;
    height: 44px;
  }

  .notification-dropdown-icon-fallback {
    width: 44px;
    height: 44px;
  }

  /* スマホ用サイズ調整 */
  .notification-dropdown-sender {
    font-weight: 600;
  }

  .notification-dropdown-time {
    font-size: 11px;
    color: #8e8e93;
  }

  .notification-dropdown-comment {
    font-size: 12px;
  }

  /* スマホでは削除ボタンを常に表示 */
  .notification-delete-btn {
    opacity: 1;
    width: 32px;
    height: 32px;
    background-color: rgba(0, 0, 0, 0.04);
  }

  .notification-delete-form {
    right: 12px;
  }

  .notification-delete-btn svg {
    width: 16px;
    height: 16px;
  }
}

/* ======================
   タブレット対応 (768px以下)
   ====================== */
@media (max-width: 768px) and (min-width: 481px) {
  .notification-dropdown {
    width: 360px;
    right: -8px;
  }
}