/* ==========================================================================
 * ベース設定 & 変数 (全ページ共通)
 * ==========================================================================
 */
:root {
  /* メインカラー */
  --primary-green: #1f7a58;
  --dark-green: #114a38;
  --light-green-bg: #dcfce7;
  --accent-color: #1f7a58; /* デフォルトアクセント */

  /* テキスト */
  --text-main: #333333;
  --text-sub: #666666;
  --syll-text-light: #6b7280; /* from show.html */

  /* 背景・枠線 */
  --bg-color: #f8f9fa;
  --white: #ffffff;
  --border-color: #e5e7eb;

  /* 詳細・比較ページ用アクセント */
  --syll-accent-color: #2d936c;
  --syll-accent-hover: #237a58;

  /* 学部カラー (home.html のカード用) */
  --dept-L: #8d6e63;
  --dept-H: #009688;
  --dept-J: #4caf50;
  --dept-E: #f57c00;
  --dept-B: #ff5722;
  --dept-S: #9c27b0;
  --dept-M: #e53935;
  --dept-X: #5c6bc0;
  --dept-T: #1976d2;
  --dept-A: #689f38;
  --dept-Z: #039be5;
  --dept-U: #607d8b;
  --dept-other: #607d8b;

  /* 学部別カラー定義 (詳細・比較ページ用) */
  --col-literature: #8d6e63;
  --col-humanities: #009688;
  --col-law: #4caf50;
  --col-economics: #f57c00;
  --col-management: #ff5722;
  --col-science: #9c27b0;
  --col-medicine: #e53935;
  --col-infomatic: #5c6bc0;
  --col-engineering: #1976d2;
  --col-agriculture: #689f38;
  --col-ocean: #039be5;
  --col-maritime: #00acc1;
  --col-education: #607d8b;

  /* 科目分類の色 */
  --type-senmon: #c026d3;
  --type-kyoyo-kamoku: #65a30d;
  --type-kiso: #ea580c;
  --type-sogo: #2563eb;
  --type-kyotsu: #ca8a04;
  --type-gaigo: #db2777;
  --type-shikaku: #0d9488;
  --type-sonota-kamoku: #57534e;
  --type-kanren: #9333ea;
  --type-kodo: #e11d48;
  --type-nihongo: #059669;
  --type-daigakuin: #4338ca;
  --type-other-kamoku: #78716c;

  /* レビュー用カラー */
  --star-color: #fbbf24; /* 星の色 */
  --param-bar-bg: #e5e7eb; /* バーの背景 */
  --param-high: #2d936c; /* 高評価バー (楽単度など) */
  --param-mid: #fbbf24; /* 中評価バー */
  --param-low: #ef4444; /* 低評価バー (課題重いなど) */
}

/* ==========================================================================
 * 学部別・科目別 共通ユーティリティ (各ページで使用)
 * ==========================================================================
 */
.faculty-L,
[data-dept-type="L"] {
  --theme-color: var(--dept-L);
}
.faculty-H,
[data-dept-type="H"] {
  --theme-color: var(--dept-H);
}
.faculty-J,
[data-dept-type="J"] {
  --theme-color: var(--dept-J);
}
.faculty-E,
[data-dept-type="E"] {
  --theme-color: var(--dept-E);
}
.faculty-B,
[data-dept-type="B"] {
  --theme-color: var(--dept-B);
}
.faculty-S,
[data-dept-type="S"] {
  --theme-color: var(--dept-S);
}
.faculty-M,
[data-dept-type="M"] {
  --theme-color: var(--dept-M);
}
.faculty-X,
[data-dept-type="X"] {
  --theme-color: var(--dept-X);
}
.faculty-T,
[data-dept-type="T"] {
  --theme-color: var(--dept-T);
}
.faculty-A,
[data-dept-type="A"] {
  --theme-color: var(--dept-A);
}
.faculty-Z,
[data-dept-type="Z"] {
  --theme-color: var(--dept-Z);
}
.faculty-U,
[data-dept-type="U"] {
  --theme-color: var(--dept-U);
}
.faculty-other,
[data-dept-type="other"] {
  --theme-color: var(--dept-other);
}

/* 科目分類の色マッピング (リボン等) */
[data-type-type="senmon"] {
  --type-theme-color: var(--type-senmon);
}
[data-type-type="kyoyo-kamoku"] {
  --type-theme-color: var(--type-kyoyo-kamoku);
}
[data-type-type="kiso"] {
  --type-theme-color: var(--type-kiso);
}
[data-type-type="sogo"] {
  --type-theme-color: var(--type-sogo);
}
[data-type-type="kyotsu"] {
  --type-theme-color: var(--type-kyotsu);
}
[data-type-type="gaigo"] {
  --type-theme-color: var(--type-gaigo);
}
[data-type-type="shikaku"] {
  --type-theme-color: var(--type-shikaku);
}
[data-type-type="kodo"] {
  --type-theme-color: var(--type-kodo);
}
[data-type-type="nihongo"] {
  --type-theme-color: var(--type-nihongo);
}
[data-type-type="other-kamoku"] {
  --type-theme-color: var(--type-other-kamoku);
}

/* ==========================================================================
 * 共通コンポーネント
 * ==========================================================================
 */

/* 比較ボタン */
.btn-compare {
  background-color: transparent;
  border: 1px solid var(--theme-color, var(--accent-color));
  color: var(--theme-color, var(--accent-color));
  padding: 0.25rem 0.7rem;
  border-radius: 4px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  flex-shrink: 0;
  min-width: 90px;
  height: 35px;
  white-space: nowrap;
}
.btn-compare:hover,
.btn-compare.active {
  background-color: var(--theme-color, var(--accent-color));
  color: white;
}

.btn-compare-select {
  position: relative;
  overflow: hidden;
  min-width: 118px;
  padding-right: 2rem;
}

.btn-compare-select.is-locked {
  opacity: 0.72;
  cursor: not-allowed;
}

.btn-compare-select.is-locked:hover,
.btn-compare-select.is-locked.active {
  background-color: transparent;
  color: var(--theme-color, var(--accent-color));
}

.btn-compare-select select {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.btn-compare-select.is-locked select {
  cursor: not-allowed;
}

.btn-compare-select .btn-compare-select-copy,
.btn-compare-select .btn-compare-select-chevron {
  pointer-events: none;
}

.btn-compare-select .btn-compare-select-copy {
  font-weight: 600;
  letter-spacing: 0.01em;
}

.btn-compare-select .btn-compare-select-chevron {
  position: absolute;
  right: 0.7rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.7rem;
}

/* 比較バー (全ページ共通) */
.compare-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--white);
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
  z-index: 2000;
  border-top: 1px solid var(--primary-green);
  transform: translateY(120%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.compare-bar.visible {
  transform: translateY(0);
}
.compare-bar.minimized {
  transform: translateY(calc(100% - 40px));
}

.compare-bar-header {
  height: 40px;
  background-color: var(--primary-green);
  color: var(--white);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
  cursor: pointer;
  font-weight: bold;
  font-size: 0.9rem;
}

.compare-content {
  padding: 1.5rem 2rem;
  display: flex;
  gap: 2rem;
  align-items: center;
  min-width: 0;
}

.compare-slots {
  flex: 1;
  display: flex;
  gap: 1rem;
  min-width: 0;
}

.compare-slot {
  flex: 1;
  min-width: 0;
  height: 60px;
  border: 2px dashed #ddd;
  border-radius: 6px;
  background-color: #fafafa;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #aaa;
  font-size: 0.8rem;
  position: relative;
  padding: 0.5rem;
}

.compare-slot.filled {
  background-color: #e6fffa;
  border: 1px solid var(--primary-green);
  border-style: solid;
  color: var(--text-main);
  justify-content: flex-start;
  padding-left: 1rem;
  font-weight: 600;
}

.compare-slot-content {
  min-width: 0;
  width: 100%;
  padding-right: 1.2rem;
  overflow: hidden;
}

.compare-slot-faculty,
.compare-slot-title {
  display: block;
  width: 100%;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.compare-slot-faculty {
  font-size: 0.7rem;
  color: #666;
  margin-bottom: 2px;
}

.ecredit-hover-tooltip {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 5000;
  max-width: min(360px, calc(100vw - 24px));
  padding: 0.6rem 0.75rem;
  border-radius: 10px;
  background: rgba(17, 24, 39, 0.94);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.24);
  color: #fff;
  font-size: 0.78rem;
  line-height: 1.5;
  white-space: normal;
  word-break: break-word;
  pointer-events: none;
  opacity: 0;
  transform: translate3d(0, 0, 0);
  transition: opacity 0.12s ease;
}

.ecredit-hover-tooltip.visible {
  opacity: 1;
}

.compare-slot.filled[data-dept-type] {
  color: white;
  border-color: transparent;
  background-color: var(--theme-color);
}
.compare-slot.filled[data-dept-type] .compare-slot-faculty {
  color: rgba(255, 255, 255, 0.8);
}
.compare-slot.filled[data-dept-type] .remove-icon {
  color: white;
  opacity: 0.7;
}

.remove-icon {
  position: absolute;
  top: 4px;
  right: 4px;
  color: #ef4444;
  cursor: pointer;
  font-size: 1rem;
}

.compare-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.btn-clear-compare {
  background: none;
  border: none;
  color: var(--text-sub);
  text-decoration: underline;
  cursor: pointer;
  font-size: 0.85rem;
}

.btn-execute-compare {
  background-color: var(--primary-green);
  color: var(--white);
  border: none;
  padding: 0.7rem 1.5rem;
  border-radius: 4px;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.2s;
}
.btn-execute-compare:hover {
  background-color: var(--dark-green);
}
.btn-execute-compare:disabled {
  background-color: #ccc;
  cursor: not-allowed;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Noto Sans JP", sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.2s;
}

ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

/* ==========================================================================
 * ヘッダー (全ページ共通)
 * ==========================================================================
 */
.header {
  display: flex;
  flex-direction: column;
  width: 100%;
  background-color: #fff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 1.5rem;
  width: 100%;
  height: 64px;
  background-color: #265c4b;
  color: #fff;
  box-sizing: border-box;
}

.header-brand {
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.4rem;
  font-weight: 700;
  padding-left: 0.5rem;
}
.header-brand i {
  font-size: 1.8rem;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
  height: 100%;
  padding-right: 0.5rem;
  min-width: 0;
  flex: 1;
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}
.search-box i.fa-magnifying-glass {
  color: #6b7280;
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  z-index: 2;
}
.search-box input {
  background-color: #f3f4f6;
  border: 1px solid var(--border-color);
  padding: 0.6rem 2.5rem 0.6rem 2.8rem;
  border-radius: 4px;
  width: 100%;
  font-size: 0.95rem;
  color: #333;
  outline: none;
  line-height: 1.5;
  font-family: inherit;
  z-index: 1;
}
.clear-search-btn {
  position: absolute;
  right: 0.5rem; /* Position clear button slightly from the right edge of search-box */
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: #9ca3af;
  font-size: 1.1rem;
  padding: 0; /* Remove internal padding, font size controls size */
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease-in-out;
  z-index: 3; /* Ensure button is on top of everything */
}

.clear-search-btn.visible {
  opacity: 1;
  pointer-events: auto;
}

.clear-search-btn:hover {
  color: #6b7280; /* Darker on hover */
}

.header-nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}
.header-nav a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  opacity: 0.9;
  transition: opacity 0.2s;
  white-space: nowrap;
}
.header-nav a:hover {
  opacity: 1;
}

.header-bottom {
  width: 100%;
  background-color: #f8f9fa;
  height: 48px;
  box-sizing: border-box;
  overflow: visible;
}

/* 学部ナビ */
.faculty-nav {
  display: flex;
  width: 100%;
  height: 100%;
  list-style: none;
  margin: 0;
  padding: 0;
}

.faculty-btn {
  width: 100%;
  height: 100%;
  border: none;
  font-size: 0.9rem;
  font-weight: 700;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--btn-color, #555);
  border-right: 1px solid rgba(255, 255, 255, 0.2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding: 0 0.5rem;
}
.faculty-btn:last-child {
  border-right: none;
}
.faculty-btn:hover {
  filter: brightness(0.95);
  box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.2);
}
.faculty-btn.active {
  filter: brightness(0.85);
  box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.2);
}

/* 学部カラー定義 */
.faculty-item[data-value="文学部"] {
  --btn-color: var(--dept-L);
}
.faculty-item[data-value="国際人間科学部"] {
  --btn-color: var(--dept-H);
}
.faculty-item[data-value="法学部 昼間主コース"] {
  --btn-color: var(--dept-J);
}
.faculty-item[data-value="経済学部 昼間主コース"] {
  --btn-color: var(--dept-E);
}
.faculty-item[data-value="経営学部 昼間主コース"] {
  --btn-color: var(--dept-B);
}
.faculty-item[data-value="理学部"] {
  --btn-color: var(--dept-S);
}
.faculty-item[data-value="医学部"] {
  --btn-color: var(--dept-M);
}
.faculty-item[data-value="システム情報学部"] {
  --btn-color: var(--dept-X);
}
.faculty-item[data-value="工学部"] {
  --btn-color: var(--dept-T);
}
.faculty-item[data-value="農学部"] {
  --btn-color: var(--dept-A);
}
.faculty-item[data-value="海洋政策科学部"] {
  --btn-color: var(--dept-Z);
}
.faculty-item[data-value="教養ALL"],
.faculty-item[data-value="教養教育院"],
.faculty-item[data-value="教職課程"],
.faculty-item[data-value="グローバル教育センター"],
.faculty-item[data-value="教養その他"] {
  --btn-color: var(--dept-U);
}

/* ==========================================================================
 * フッター (全ページ共通)
 * ==========================================================================
 */
.footer {
  background-color: var(--dark-green);
  color: var(--white);
  padding: 4rem 2rem 1rem;
  margin-top: auto;
  width: 100%;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-desc {
  font-size: 0.9rem;
  color: #e0e0e0;
  line-height: 1.6;
  opacity: 0.9;
}

.footer-section h3 {
  font-size: 1rem;
  margin-bottom: 1.5rem;
  font-weight: 500;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 0.8rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: #e0e0e0;
  opacity: 0.9;
  transition: opacity 0.2s;
}
.footer-links a:hover {
  opacity: 1;
  text-decoration: underline;
}

.footer-contact {
  list-style: none;
  padding: 0;
}

.footer-contact li {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.8rem;
  font-size: 0.9rem;
  color: #e0e0e0;
}

.copyright {
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  font-size: 0.8rem;
  opacity: 0.6;
}

/* ==========================================================================
 * レスポンシブ (全ページ共通)
 * ==========================================================================
 */
@media (max-width: 900px) {
  .header-bottom {
    display: block;
    overflow-x: auto;
    overflow-y: visible;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
    white-space: nowrap;
  }
  .header-bottom::-webkit-scrollbar {
    display: none;
  }
  .faculty-nav {
    display: flex;
    min-width: max-content;
  }
  .faculty-item {
    flex: 0 0 auto;
    min-width: 88px;
  }
  .faculty-item.with-dropdown {
    min-width: 120px;
  }
}

@media (max-width: 768px) {
  /* Header */
  .header-top {
    padding: 0 1rem;
    height: 56px;
  }
  .header-bottom {
    height: 44px;
  }
  .header-brand img {
    height: 32px;
  }
  .header-right {
    gap: 0.5rem;
  }
  .faculty-item {
    min-width: 92px;
  }
  .faculty-item.with-dropdown {
    min-width: 116px;
  }
  .faculty-btn {
    padding: 0 0.85rem;
    font-size: 0.84rem;
  }

  /* Footer */
  .footer {
    padding: 3rem 1.5rem 1.5rem;
  }
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  /* 比較バーのモバイル調整 */
  .compare-content {
    padding: 1rem;
    gap: 1rem;
    flex-direction: column;
  }
  .compare-slots {
    width: 100%;
    gap: 0.5rem;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }
  .compare-slot {
    height: 50px;
    font-size: 0.7rem;
    padding: 4px 8px;
  }
  .compare-actions {
    width: 100%;
    justify-content: space-between;
  }
  .btn-execute-compare {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
  }
}

@media (max-width: 480px) {
  .header-top {
    padding: 0 0.75rem;
  }
  .header-top > div > a.header-brand + a {
    display: none; /* "created by Timinify" を非表示 */
  }
}

/* ==========================================================================
 * 学部ドロップダウンメニュー
 * ==========================================================================
 */
.faculty-item {
  position: relative;
  flex: 1; /* flexboxで均等幅にする */
  display: flex; /* 中のボタンが100%になるように */
  z-index: 1; /* ドロップダウンのスタック順序を確保 */
  min-width: 0;
}

.faculty-item .faculty-btn {
  flex-grow: 1; /* アイテム内でボタンが幅を埋めるように */
  min-width: 0;
}

.faculty-dropdown-toggle {
  flex: 0 0 34px;
  width: 34px;
  height: 100%;
  border: none;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
  background-color: var(--btn-color, #555);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.faculty-dropdown-toggle::before {
  content: "▼";
  font-size: 0.68rem;
  opacity: 0.8;
  transform: translateY(1px);
}

.faculty-dropdown-toggle:hover {
  filter: brightness(0.95);
  box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.2);
}

.faculty-item.dropdown-open > .faculty-dropdown-toggle {
  filter: brightness(0.85);
  box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.2);
}

.faculty-item:last-child > .faculty-dropdown-toggle {
  border-right: none;
}

.dropdown-menu {
  display: none; /* 通常は非表示 */
  position: absolute;
  top: 100%; /* 親ボタンの真下に表示 */
  left: 0;
  background-color: var(--btn-color, #555); /* 親から --btn-color を継承 */
  border: 1px solid rgba(0, 0, 0, 0.2); /* 境界線を少し暗く */
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  z-index: 1100; /* ヘッダーの他の部分より手前に */
  min-width: 200px; /* 最小幅を指定 */
  padding: 0.5rem 0;
  border-radius: 0 0 4px 4px; /* 下角だけ丸める */
  color: #fff; /* テキストを白に */
}

.faculty-item.dropdown-open .dropdown-menu {
  display: block;
}

.dept-btn,
.faculty-select-btn {
  display: block;
  width: 100%;
  padding: 0.75rem 1.5rem;
  text-align: left;
  border: none;
  background: none;
  color: #fff; /* テキストを白に */
  font-size: 0.9rem;
  cursor: pointer;
  white-space: nowrap;
}

.dept-btn:hover,
.faculty-select-btn:hover {
  background-color: rgba(255, 255, 255, 0.15); /* 少し明るくしてホバー効果 */
}