/* support-detail.css - レスポンシブ修正版 v1.0.7 */

/* ==========================================================================
   BASE STYLES - 基本スタイル
   ========================================================================== */

.hero-section {
  margin-bottom: 0 !important;
}

.support-content {
  padding: 20px 0 40px 0; /* モバイルファーストで小さめに */
  background-color: #fff;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px; /* モバイルファーストで小さめ */
}

/* ==========================================================================
   LAYOUT STYLES - モバイルファーストレイアウト
   ========================================================================== */

/* モバイルファースト: 縦積み */
.support-layout {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

/* ==========================================================================
   SIDEBAR STYLES - モバイルファーストサイドバー
   ========================================================================== */

.sidebar {
  width: 100%;
  background-color: #fff;
  padding: 15px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  order: 1; /* モバイルでは上に表示 */
}

.sidebar h3 {
  font-size: 14px;
  margin-bottom: 10px;
  color: #008b5d;
  text-align: center;
}

.sidebar-menu {
  list-style: none !important;
  padding: 0 !important;
  margin: 0 !important;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.sidebar-menu li {
  margin-bottom: 0 !important;
}

.sidebar-menu a {
  display: block !important;
  padding: 8px 12px !important;
  text-decoration: none !important;
  color: #333 !important;
  background-color: #f8f9fa !important;
  border-radius: 4px !important;
  transition: all 0.3s ease !important;
  font-weight: 500 !important;
  font-size: 12px !important;
  cursor: pointer !important;
  min-width: 60px;
  text-align: center;
}

.sidebar-menu a:hover {
  background-color: #e8f5e8 !important;
  color: #008b5d !important;
}

.sidebar-menu a.active {
  background-color: #008b5d !important;
  color: #fff !important;
}

/* ==========================================================================
   MAIN CONTENT STYLES - モバイルファーストメインコンテンツ
   ========================================================================== */

.main-content {
  width: 100%;
  background-color: #fff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  order: 2; /* モバイルでは下に表示 */
}

/* セクション表示制御 */
.content-section {
  display: none !important;
}

.content-section.active {
  display: block !important;
}

.content-header {
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid #008b5d;
}

.content-header h2 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
  color: #333;
}

.content-header p {
  color: #666;
  font-size: 13px;
  line-height: 1.4;
  margin-bottom: 0;
}

/* ==========================================================================
   MANUAL SECTION STYLES - モバイルファーストマニュアル
   ========================================================================== */

.manual-section {
  margin-bottom: 20px;
}

.manual-section > h3 {
  font-size: 14px;
  font-weight: 600;
  color: #008b5d;
  margin-bottom: 12px;
  padding: 8px 12px;
  background-color: #f0f8f0;
  border-left: 3px solid #008b5d;
  border-radius: 4px;
}

/* ==========================================================================
   ACCORDION STYLES - モバイルファーストアコーディオン
   ========================================================================== */

.manual-group {
  margin-bottom: 15px;
}

/* モバイルファーストのアコーディオン */
.accordion-item {
  margin-bottom: 8px;
  margin-right: 10px;
  border: 1px solid #e0e0e0;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
  transition: all 0.3s ease;
}

.accordion-item:hover {
  box-shadow: 0 3px 10px rgba(0, 139, 93, 0.12);
}

/* モバイルファーストのレベル別インデント */
.accordion-item.level-1 {
  margin-left: 0;
}

.accordion-item.level-2 {
  margin-left: 15px;
}

.accordion-item.level-3 {
  margin-left: 30px;
}

.accordion-item.level-4 {
  margin-left: 45px;
}

.accordion-item.level-5 {
  margin-left: 60px;
}

/* 共通のトグルスタイル（モバイルファースト） */
.manual-toggle {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  background-color: #f8f9fa;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  width: 100%;
  text-align: left;
  font-size: 13px;
}

.manual-toggle:hover {
  background-color: #e8f5e8;
}

.manual-toggle.active {
  background-color: #008b5d;
  color: #fff;
}

/* ==========================================================================
   MANUAL LINK STYLES - モバイルファーストリンク
   ========================================================================== */

.manual-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  background-color: #f0f8ff;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  color: #333;
  width: 100%;
  box-sizing: border-box;
  font-size: 13px;
}

.manual-link:hover {
  background-color: #e6f3ff;
  color: #0066cc;
  text-decoration: none;
}

.manual-link:active {
  background-color: #cce7ff;
}

.manual-link .manual-label {
  font-weight: 500;
  font-size: 13px;
  flex: 1;
}

.manual-link::after {
  content: "→";
  font-size: 12px;
  color: #0066cc;
  margin-left: 8px;
}

/* レベル別リンクスタイル */
.accordion-item.level-2 .manual-link {
  background-color: #f5f5ff;
  border-left: 2px solid #0066cc;
}

.accordion-item.level-3 .manual-link {
  background-color: #fafafa;
  border-left: 2px solid #888;
}

.accordion-item.level-4 .manual-link {
  background-color: #f8f8f8;
  border-left: 2px solid #aaa;
}

.manual-label {
  font-weight: 500;
  font-size: 13px;
  flex: 1;
}

.toggle-icon {
  font-size: 11px;
  font-weight: bold;
  transition: transform 0.3s ease;
  margin-left: 8px;
}

.manual-toggle.active .toggle-icon {
  transform: rotate(180deg);
}

.manual-content {
  display: none;
  background-color: #fff;
  border-top: 1px solid #e0e0e0;
  padding: 8px 0;
}

.manual-content.active {
  display: block;
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    max-height: 0;
    transform: translateY(-3px);
  }
  to {
    opacity: 1;
    max-height: 1000px;
    transform: translateY(0);
  }
}

/* マニュアルアイテム（モバイルファースト） */
.manual-item {
  padding: 8px 12px;
  margin-bottom: 0;
  margin-right: 10px;
  border-bottom: 1px solid #f0f0f0;
  cursor: pointer;
  transition: background-color 0.3s ease;
  font-size: 12px;
  color: #333 !important;
  background-color: #fff !important;
}

.manual-item:hover {
  background-color: #f8f9fa !important;
  color: #333 !important;
}

.manual-content.active .manual-item {
  color: #fff !important;
  background-color: transparent !important;
}

.manual-content.active .manual-item:hover {
  background-color: rgba(255, 255, 255, 0.1) !important;
  color: #fff !important;
}

/* ==========================================================================
   CONNECTION GRID STYLES - モバイルファーストグリッド
   ========================================================================== */

.connection-grid {
  display: grid;
  grid-template-columns: 1fr; /* モバイルファースト: 1列 */
  gap: 12px;
  margin-top: 15px;
}

.connection-item {
  padding: 15px;
  background-color: #f8f9fa;
  border-radius: 6px;
  border: 1px solid #e0e0e0;
  transition: all 0.3s ease;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
}

.connection-item:hover {
  background-color: #e8f5e8;
  border-color: #008b5d;
  box-shadow: 0 3px 10px rgba(0, 139, 93, 0.12);
}

.connection-item h4 {
  font-size: 14px;
  font-weight: 600;
  color: #008b5d;
  margin-bottom: 6px;
}

.connection-item p {
  color: #666;
  font-size: 11px;
  line-height: 1.3;
  margin: 0;
}

/* ==========================================================================
   TABLET RESPONSIVE (768px以上) - タブレット対応
   ========================================================================== */

@media (min-width: 768px) {
  .container {
    padding: 0 20px;
  }

  .support-content {
    padding: 30px 0 50px 0;
  }

  .support-layout {
    gap: 30px;
    padding: 0 20px;
  }

  .sidebar {
    padding: 18px;
    order: 0; /* タブレットでは元の順序に */
  }

  .sidebar h3 {
    font-size: 15px;
    margin-bottom: 12px;
    text-align: left;
  }

  .sidebar-menu {
    display: block; /* タブレットでは縦並び */
  }

  .sidebar-menu li {
    margin-bottom: 4px !important;
  }

  .sidebar-menu a {
    padding: 10px 14px !important;
    font-size: 13px !important;
    min-width: auto;
    text-align: left;
  }

  .main-content {
    padding: 25px;
    order: 0;
  }

  .content-header h2 {
    font-size: 22px;
  }

  .content-header p {
    font-size: 14px;
  }

  .manual-section > h3 {
    font-size: 15px;
    padding: 9px 13px;
  }

  .manual-toggle,
  .manual-link {
    padding: 11px 13px;
    font-size: 14px;
  }

  .connection-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
  }

  .connection-item {
    padding: 17px;
  }

  .connection-item h4 {
    font-size: 15px;
  }

  .connection-item p {
    font-size: 12px;
  }
}

/* ==========================================================================
   DESKTOP RESPONSIVE (1024px以上) - デスクトップ対応
   ========================================================================== */

@media (min-width: 1024px) {
  .support-content {
    padding: 40px 0 60px 0;
  }

  .support-layout {
    flex-direction: row; /* デスクトップでは横並び */
    gap: 40px;
    align-items: flex-start;
  }

  .sidebar {
    width: 280px;
    min-width: 280px;
    flex-shrink: 0;
    padding: 20px;
    position: sticky;
    top: 20px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
  }

  .sidebar h3 {
    display: none; /* デスクトップでは非表示 */
  }

  .main-content {
    flex: 1;
    padding: 30px;
    padding-right: 40px;
    min-height: 600px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
  }

  .content-header {
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 3px solid #008b5d;
  }

  .content-header h2 {
    font-size: 24px;
    margin-bottom: 10px;
  }

  .content-header p {
    font-size: 14px;
    line-height: 1.5;
  }

  .manual-section {
    margin-bottom: 30px;
  }

  .manual-section > h3 {
    font-size: 16px;
    padding: 10px 15px;
    margin-bottom: 15px;
  }

  .accordion-item {
    margin-bottom: 10px;
    margin-right: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  }

  .accordion-item:hover {
    box-shadow: 0 4px 16px rgba(0, 139, 93, 0.15);
  }

  .accordion-item.level-2 {
    margin-left: 20px;
  }

  .accordion-item.level-3 {
    margin-left: 40px;
  }

  .accordion-item.level-4 {
    margin-left: 60px;
  }

  .accordion-item.level-5 {
    margin-left: 80px;
  }

  .manual-toggle,
  .manual-link {
    padding: 12px 15px;
    font-size: 14px;
  }

  .manual-item {
    padding: 10px 15px;
    margin-right: 20px;
    font-size: 13px;
  }

  .connection-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 20px;
    margin-right: 20px;
  }

  .connection-item {
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  }

  .connection-item:hover {
    box-shadow: 0 4px 16px rgba(0, 139, 93, 0.15);
  }

  .connection-item h4 {
    font-size: 16px;
    margin-bottom: 8px;
  }

  .connection-item p {
    font-size: 12px;
    line-height: 1.4;
  }
}

/* ==========================================================================
   LARGE DESKTOP (1200px以上) - 大画面対応
   ========================================================================== */

@media (min-width: 1200px) {
  .support-layout {
    gap: 60px;
  }

  .sidebar {
    width: 300px;
    min-width: 300px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  }

  .sidebar-menu a {
    padding: 12px 16px !important;
    font-size: 14px !important;
  }

  .main-content {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  }
}

/* ==========================================================================
   FOCUS & ACCESSIBILITY - フォーカス・アクセシビリティ
   ========================================================================== */

.manual-toggle:focus,
.manual-link:focus,
.sidebar-menu a:focus,
.connection-item:focus {
  outline: 2px solid #008b5d;
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* セクション切替の必須ルール */
.content-section {
  display: none;
}
.content-section.active {
  display: block;
}

.sidebar .nav-item.active {
  font-weight: 700;
}