/**
 * Easy Table of Contents カスタムスタイル
 * 右からスライドイン表示
 */

/* 目次タブ - 右端固定 */
.etoc-tab-button {
  position: fixed !important;
  top: 50% !important;
  right: 0 !important;
  transform: translateY(-50%) !important;
  background: #00A0E9 !important;
  color: #fff !important;
  padding: 16px 12px !important;
  border: none !important;
  border-radius: 8px 0 0 8px !important;
  cursor: pointer !important;
  z-index: 999999 !important;
  font-family: 'Noto Sans JP', sans-serif !important;
  font-weight: 700 !important;
  font-size: 16px !important;
  line-height: 1.4 !important;
  writing-mode: vertical-rl !important;
  text-orientation: upright !important;
  letter-spacing: 0.05em !important;
  box-shadow: -2px 2px 8px rgba(0, 0, 0, 0.15) !important;
  transition: background 0.3s, right 0.3s !important;
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
}

.etoc-tab-button:hover {
  background: #0088CC;
  right: 2px;
}

/* 目次タブが開いている時は非表示 */
.etoc-open .etoc-tab-button {
  display: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
}

/* 目次コンテナ - 右からスライド */
.etoc-sidebar-container {
  position: fixed;
  top: 0;
  right: -460px;
  width: 460px;
  height: 100vh;
  background: #fff;
  box-shadow: -4px 0 16px rgba(0, 0, 0, 0.2);
  z-index: 10000;
  overflow-y: auto;
  transition: right 0.3s ease-in-out;
  padding: 0;
  display: flex;
  flex-direction: column;
}

/* ヘッダー */
.etoc-sidebar-header {
  position: relative;
  background: #fff;
  padding: 24px 20px 16px 20px;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

/* ロゴ */
.etoc-logo {
  height: 32px;
  width: auto;
  object-fit: contain;
}

/* ヘッダータイトル */
.etoc-header-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  font-size: 18px;
  line-height: 1.5;
  color: #000;
  flex: 1;
  text-align: center;
}

/* スライドイン状態 */
.etoc-open .etoc-sidebar-container {
  right: 0;
}

/* 閉じるボタン */
.etoc-close-button {
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 24px;
  line-height: 1;
  color: #333;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.3s;
  padding: 0;
  flex-shrink: 0;
}

.etoc-close-button:hover {
  color: #00A0E9;
}

/* 目次コンテンツエリア */
.etoc-sidebar-container > #ez-toc-container {
  padding: 48px 24px 32px 24px;
  flex: 1;
  overflow-y: auto;
  background: #fff;
}

/* 目次タイトル */
.etoc-sidebar-container .ez-toc-title-container,
.etoc-sidebar-container #ez-toc-container .ez-toc-title,
.etoc-sidebar-container .ez-toc-title {
  font-family: 'Noto Sans JP', sans-serif !important;
  font-weight: 700 !important;
  font-size: 18px !important;
  line-height: 1.5 !important;
  color: #000 !important;
  margin: 0 0 24px 0 !important;
  padding: 0 0 12px 0 !important;
  border: none !important;
  border-bottom: 1px solid #e0e0e0 !important;
  border-top: none !important;
  border-left: none !important;
  border-right: none !important;
  background: transparent !important;
  box-shadow: none !important;
  cursor: default !important;
  text-align: left !important;
}

/* トグルアイコンを非表示 */
.etoc-sidebar-container .ez-toc-toggle,
.etoc-sidebar-container #ez-toc-container .ez-toc-title .ez-toc-pull-right,
.etoc-sidebar-container .ez-toc-title-toggle {
  display: none !important;
}

/* 枠線を削除 */
.etoc-sidebar-container #ez-toc-container,
.etoc-sidebar-container .ez-toc-container,
.etoc-sidebar-container #ez-toc-container.ez-toc-black,
.etoc-sidebar-container #ez-toc-container.ez-toc-transparent {
  border: none !important;
  background: #fff !important;
  box-shadow: none !important;
  padding: 0 !important;
}

/* トグルボタンのアイコンを非表示 */
.etoc-sidebar-container #ez-toc-container .ez-toc-title::before,
.etoc-sidebar-container #ez-toc-container .ez-toc-title::after,
.etoc-sidebar-container .ez-toc-title .ez-toc-icon-toggle-span {
  display: none !important;
}

/* 目次リスト */
.etoc-sidebar-container #ez-toc-container nav,
.etoc-sidebar-container .ez-toc-list,
.etoc-sidebar-container #ez-toc-container nav ul {
  margin: 0;
  padding: 0;
}

.etoc-sidebar-container .ez-toc-list li,
.etoc-sidebar-container #ez-toc-container nav ul li {
  list-style: none !important;
  margin: 0 0 4px 0;
  padding: 0;
  background: none !important;
}

.etoc-sidebar-container .ez-toc-list li a,
.etoc-sidebar-container #ez-toc-container nav ul li a {
  display: block;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 14px;
  line-height: 1.7;
  color: #333;
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 4px;
  transition: background 0.3s, color 0.3s;
  background: none !important;
}

.etoc-sidebar-container .ez-toc-list li a:hover,
.etoc-sidebar-container #ez-toc-container nav ul li a:hover {
  background: #f5f5f5 !important;
  color: #00A0E9 !important;
}

/* レベル1の見出し */
.etoc-sidebar-container #ez-toc-container nav > ul > li > a {
  font-weight: 700;
  font-size: 15px;
  padding: 8px 12px;
  margin-bottom: 4px;
}

/* ネストされたリスト */
.etoc-sidebar-container .ez-toc-list li ul,
.etoc-sidebar-container #ez-toc-container nav ul li ul {
  margin: 4px 0 8px 20px;
  padding: 0;
}

.etoc-sidebar-container .ez-toc-list li ul li a,
.etoc-sidebar-container #ez-toc-container nav ul li ul li a {
  font-size: 13px;
  font-weight: 400;
  padding: 5px 10px;
}

/* レベル3以降 */
.etoc-sidebar-container #ez-toc-container nav ul li ul li ul {
  margin-left: 16px;
}

.etoc-sidebar-container #ez-toc-container nav ul li ul li ul li a {
  font-size: 12px;
  padding: 4px 8px;
  color: #666;
}

/* オーバーレイ（背景） */
.etoc-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

.etoc-open .etoc-overlay {
  opacity: 1;
  visibility: visible;
}

/* 元の Easy TOC を非表示 */
#ez-toc-container:not(.etoc-sidebar-container #ez-toc-container) {
  display: none !important;
}

/* レスポンシブ対応 */
@media (max-width: 1024px) {
  .etoc-sidebar-container {
    width: 380px;
    right: -380px;
  }
  
  .etoc-sidebar-container > #ez-toc-container {
    padding: 40px 20px 28px 20px;
  }
  
  .etoc-sidebar-header {
    padding: 20px 18px 14px 18px;
  }
  
  .etoc-logo {
    height: 28px;
  }
  
  .etoc-header-title {
    font-size: 16px;
  }
}

@media (max-width: 768px) {
  .etoc-sidebar-container {
    width: 340px;
    right: -340px;
  }
  
  .etoc-sidebar-container > #ez-toc-container {
    padding: 36px 16px 24px 16px;
  }
  
  .etoc-sidebar-header {
    padding: 18px 16px 12px 16px;
  }
  
  .etoc-logo {
    height: 24px;
  }
  
  .etoc-header-title {
    font-size: 15px;
  }
  
  .etoc-tab-button {
    font-size: 14px;
    padding: 14px 10px;
  }
  
  .etoc-sidebar-container #ez-toc-container nav > ul > li > a {
    font-size: 14px;
  }
}

@media (max-width: 480px) {
  .etoc-sidebar-container {
    width: 90%;
    max-width: 320px;
    right: -90%;
  }
  
  .etoc-sidebar-container > #ez-toc-container {
    padding: 32px 16px 20px 16px;
  }
  
  .etoc-sidebar-header {
    padding: 16px 14px 10px 14px;
  }
  
  .etoc-logo {
    height: 22px;
  }
  
  .etoc-header-title {
    font-size: 14px;
  }
  
  .etoc-tab-button {
    font-size: 13px;
    padding: 12px 8px;
  }
  
  .etoc-sidebar-container .ez-toc-list li a,
  .etoc-sidebar-container #ez-toc-container nav ul li a {
    font-size: 13px;
  }
}