/*
================================================================================
PRODUCT TEMPLATE STYLESHEET - Bootstrap 5
================================================================================
このファイルについて (About this file):
- 製品ページ専用のスタイルシートです
- Bootstrap 5をベースにしています
- 色やデザインをカスタマイズできます

重要な注意事項 (IMPORTANT):
- ../../scripts/style_bs5.css (会社共通CSS) は変更しないでください
  DO NOT modify ../../scripts/style_bs5.css (Global company CSS)
- このファイルのみを編集してください
  Only edit THIS file for product-specific styling
================================================================================
*/

/* ===================================================================
   COLOR SCHEME - ブランドカラー設定
   ================================================================== */
/*
   【重要】ここで製品のブランドカラーを変更できます
   【IMPORTANT】Change your product brand colors HERE

   使い方 (How to use):
   1. 下記の色コードを変更してください
      Change the color codes below
   2. すべてのページに自動的に反映されます
      Changes will apply to all pages automatically

   推奨ツール (Recommended tools):
   - Adobe Color: https://color.adobe.com/
   - Coolors: https://coolors.co/
*/

:root {
  /* メインカラー (Primary Color) - ヘッダー、ボタンなどに使用 */
  --brand-primary: #00dad3;
  /* Teal - 変更可能 (Customizable) */

  /* セカンダリカラー (Secondary Color) - 背景、アクセントに使用 */
  --brand-secondary: #ee5833;
  /* Light Teal - 変更可能 */

  /* ダークカラー (Dark Color) - ボーダー、濃い部分に使用 */
  --brand-dark: #121212;
  /* Dark Teal - 変更可能 */

  /* フッター背景カラー (Footer Background) - 製品フッターに使用 */
  --brand-gray: #353736;
  /* Very Light Teal - 変更可能 */

  /* フッター背景カラー (Footer Background) - 製品フッターに使用 */
  --brand-light: #adadad;
  /* Very Light Teal - 変更可能 */

  /* テキストカラー (Text Color) - リンクなどに使用 */
  --brand-text: #1f2120;
  /* Teal Text - 変更可能 */
}

/* ===================================================================
   1. GENERAL STYLES - 全体の基本スタイル
   =================================================================== */
/*
   ページ全体のフォント、行間、背景色などを定義します
   Defines overall fonts, line heights, and background colors
*/

body {
  background-color: #f8f9fa;
  /* 変更しないでください (Do not change) */
  font-family: sans-serif;
  line-height: 1.6;
}

p {
  line-height: 22px;
}

li {
  line-height: 150%;
}

/* ===================================================================
   2. PRODUCT HEADER - 製品ナビゲーションバー
   =================================================================== */
/*
   product-header.inc で使用されるスタイルです
   Styles used by product-header.inc

   カスタマイズ方法 (How to customize):
   - background-color: ヘッダーの背景色
   - border-bottom: 下部のボーダー色と太さ
*/

.prodnavbar {
  background-color: var(--brand-dark);
  /* ヘッダー背景色 */
  border-bottom: 1px solid var(--brand-light);
  /* 下部ボーダー */
  margin-bottom: 0;
  margin-top: 3px;
}

/* ナビゲーションリンクの文字色 (Navigation link text color) */
.prodnavbar .nav-link {
  color: #ffffff !important;
}

/* ホバー時の文字色 (Hover state text color) */
.prodnavbar .nav-link:hover,
.prodnavbar .nav-link:focus {
  color: var(--brand-primary) !important;
  background-color: transparent;
}

/* ハンバーガーメニューのトグルボタン (Mobile menu toggle button) */
.prodnavbar .navbar-toggler {
  border-color: var(--brand-dark);
}

.prodnavbar .navbar-toggler:focus {
  box-shadow: 0 0 0 0.25rem rgba(20, 184, 166, 0.25);
}

/* ハンバーガーメニューアイコン (Mobile menu icon) */
.prodnavbar .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ドロップダウンメニューのスタイル (Dropdown menu styles) */
.prodnavbar .dropdown-menu {
  background-color: #fff;
  border: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: 0.375rem;
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.175);
  margin-top: 0.125rem;
}

.prodnavbar .dropdown-menu.show {
  display: block;
}

.prodnavbar .dropdown-item {
  color: #333;
  padding: 0.25rem 1rem;
  display: block;
  width: 100%;
  clear: both;
  font-weight: 400;
  text-align: inherit;
  white-space: nowrap;
  background-color: transparent;
  border: 0;
}

.prodnavbar .dropdown-item:hover,
.prodnavbar .dropdown-item:focus {
  color: #262626;
  background-color: #f5f5f5;
  text-decoration: none;
}

.prodnavbar .dropdown-divider {
  height: 0;
  margin: 0.5rem 0;
  overflow: hidden;
  border-top: 1px solid rgba(0, 0, 0, 0.15);
}

.prodnavbar .dropdown-toggle::after {
  display: inline-block;
  margin-left: 0.255em;
  vertical-align: 0.255em;
  content: "";
  border-top: 0.3em solid;
  border-right: 0.3em solid transparent;
  border-bottom: 0;
  border-left: 0.3em solid transparent;
}

/* ===================================================================
   3. PRODUCT FOOTER - 製品フッター
   =================================================================== */
/*
   製品フッター（product-footer.inc または widefooter.inc）のスタイルは
   ../../scripts/style_bs5.css で定義されています。
   Product footer styles are defined in ../../scripts/style_bs5.css

   デフォルトの配色 (Default colors):
   - 背景色: 薄緑 (#a7f0bfd3)
   - リンク色: 青系 (#23527c)

   製品固有の配色が必要な場合 (For product-specific colors):
   このファイル (product-style.css) で footer.product クラスをオーバーライドできます。
   You can override the footer.product class in this file (product-style.css).
*/
/* ===================================================================
   4. SECTIONS - セクション共通スタイル
   =================================================================== */
/*
   各ページで使用されるセクションのスタイルです
   Styles for sections used across pages

   使い方 (How to use):
   HTMLで <div class="section-wrapper"> を使用すると、
   自動的に適切な余白と背景色が適用されます
*/

.section-wrapper {
  padding: 60px 0;
  /* 上下の余白 (Top/bottom padding) */
  background-color: #ffffff;
  /* 背景色 (Background color) */
}

/* 奇数番目のセクションを灰色背景に (Odd sections get gray background) */
.section-wrapper:nth-child(odd) {
  background-color: var(--brand-dark);
  color: var(--brand-text);
}

/* 白背景を強制したい場合 (Force white background if needed) */
.section-wrapper.bg-light {
  background-color: #ffffff !important;
}

/* セクション内のカード (Cards within sections) */
.section-card {
  background-color: #ffffff;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  margin-bottom: 30px;
}

/* ===================================================================
   5. TYPOGRAPHY - 見出しとテキスト
   =================================================================== */
/*
   見出し(h1, h2, h3)とテキストのスタイルです
   Heading and text styles
*/

h1,
h2,
h3 {
  color: var(--brand-dark);
  /* 見出しの色 (Heading color) */
  /* font-weight: bold; */
}

/* セクションタイトル (Section title) */
.section-title {
  text-align: center;
  padding-bottom: 10px;
  margin-bottom: 30px;
}

/* サブセクションタイトル (Subsection title) */
.subsection-title {
  color: var(--brand-dark);
  margin-top: 20px;
  margin-bottom: 10px;
}

/* ===================================================================
   6. BUTTONS - ボタンスタイル
   =================================================================== */
/*
   ボタンのスタイルです
   Button styles

   使い方 (How to use):
   <a href="#" class="btn btn-primary">ボタンテキスト</a>

   種類 (Types):
   - btn-primary: メインボタン (Primary button)
   - btn-outline-primary: 枠線ボタン (Outline button)
*/

.btn-primary {
  background-color: var(--brand-primary);
  border-color: var(--brand-primary);
  color: var(--brand-text);
  font-weight: 500;
}

.btn-primary:hover {
  background-color: #40f4e8;
  border-color: #40f4e8;
}

.btn-light {
  background-color: var(--brand-gray);
  border-color: var(--brand-gray);
  color: var(--brand-primary);
}

.btn-light:hover {
  background-color: var(--brand-dark);
  border-color: var(--brand-darks);
  color: var(--brand-primary);
}

.btn-custom {
  text-decoration: none;
  border-radius: 9999px;
  position: relative;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-width: 180px;
  padding: 10px 40px 10px 25px;
  line-height: 1.5;
}

.btn-custom:after {
  content: "";
  position: absolute;
  top: 50%;
  bottom: 0;
  right: 1.5rem;
  font-size: 90%;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: right 0.3s;
  width: 6px;
  height: 6px;
  border-top: solid 2px currentColor;
  border-right: solid 2px currentColor;
  transform: translateY(-50%) rotate(45deg);
}

.btn-custom:hover:after {
  right: 1.0rem;
}

/* ===================================================================
   7. HERO SECTION - ヒーローセクション(トップの大きな画像エリア)
   =================================================================== */
/*
   トップページの最初の大きな画像・テキストエリアです
   Large image/text area at the top of the homepage

   カスタマイズ方法 (How to customize):
   - background-image: 背景画像のパス
   - background-color: 背景色(画像がない場合)
*/

.hero-section {
  position: relative;
  /* padding: 6rem 0; */
  background-image: url('../images/hero-background.jpg');
  /* 背景画像パス */
  background-size: cover;
  background-position: center;
  background-color: var(--brand-light-bg);
  /* フォールバック背景色 */
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--brand-dark);
}

.hero-title {
  color: #ffffff;
  margin-bottom: 20px;
  font-weight: 500;
}

.hero-subtitle {
  opacity: 0.95;
  color: #ffffff;
}

.hero-logo {
  max-width: 400px;
  width: 100%;
}

/* ===================================================================
   8. FEATURE CARDS - 機能カード
   =================================================================== */
/*
   製品の機能や特徴を表示するカードです
   Cards for displaying product features

   使い方 (How to use):
   <div class="feature-item">
     <i class="feature-icon fas fa-check"></i>
     <div class="feature-content">
       <strong>機能名</strong>
       <p>機能の説明</p>
     </div>
   </div>
*/

.feature-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 2rem !important;
  padding: 1.5rem;
  background: #f8f9fa;
  border-radius: 10px;
  border-left: 4px solid var(--brand-primary);
  transition: all 0.3s ease;
}

.feature-item:hover {
  background: #e9ecef;
  transform: translateX(5px);
}

.feature-icon {
  font-size: 2rem;
  color: var(--brand-primary);
  margin-right: 1.5rem;
  flex-shrink: 0;
}

.feature-content {
  flex: 1;
}

.feature-item strong {
  font-size: 1.2rem !important;
  display: block !important;
  color: var(--brand-dark);
}

/* ===================================================================
   9. SPACING ADJUSTMENTS - 余白調整
   =================================================================== */
/*
   ページ全体の余白を調整します
   Adjusts spacing across the page

   注意 (Note):
   余白が広すぎる/狭すぎる場合は、ここの値を変更してください
   If spacing is too wide/narrow, change values here
*/

.container>.row {
  margin-bottom: 0;
  /* 行の下余白 (Row bottom margin) */
}

/* ===================================================================
   10. FAQ SECTION - よくある質問セクション
   =================================================================== */
/*
   FAQページで使用されるスタイルです
   Styles used on FAQ page
*/

#faq-section details {
  margin-bottom: 10px;
  border: 1px solid #ddd;
  padding: 15px;
  border-radius: 5px;
  box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.1);
}

#faq-section summary {
  cursor: pointer;
  font-weight: bold;
  color: var(--brand-dark);
}

#faq-section summary:hover {
  color: var(--brand-primary);
}

/* ===================================================================
   11. CASE STUDY SECTION - 事例セクション
   =================================================================== */
/*
   事例ページで使用されるスタイルです
   Styles used on case studies page
*/

.case-study-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 25px;
  padding: 25px;
  background-color: #fdfdfd;
  border: 1px solid #eaeaea;
  border-left: 5px solid var(--brand-primary);
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
  transition: box-shadow 0.3s ease-in-out;
}

.case-study-item:hover {
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
}

.case-study-logo {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  margin-right: 25px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #ffffff;
  border-radius: 4px;
  overflow: hidden;
}

.case-study-logo img {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
}

.case-study-content h3 {
  font-size: 1.7em;
  margin-top: 0;
  margin-bottom: 10px;
}

.case-study-content h3 a {
  text-decoration: none;
  color: #333;
}

.case-study-content h3 a:hover {
  color: var(--brand-primary);
  text-decoration: underline;
}

/* ===================================================================
   12. RESPONSIVE DESIGN - レスポンシブデザイン
   =================================================================== */
/*
   スマートフォン・タブレット対応
   Mobile and tablet responsiveness

   注意 (Note):
   画面サイズに応じて自動的にレイアウトが変わります
   Layout automatically adjusts based on screen size
*/

/* タブレット以上 (Tablet and above) */
@media (min-width: 768px) {
  .footer-item {
    text-align: center;
  }
}

/* スマートフォン (Mobile) */
@media (max-width: 767px) {
  .hero-section {
    padding: 3rem 0;
  }

  .feature-item {
    flex-direction: column;
  }

  .feature-icon {
    margin-bottom: 1rem;
  }
}

/* ===================================================================
   END OF STYLESHEET
   ================================================================== */
/*
   カスタマイズのヒント (Customization Tips):

   1. 色を変更する場合
      When changing colors:
      → 一番上の「COLOR SCHEME」セクションを編集してください
         Edit the "COLOR SCHEME" section at the top

   2. 余白を調整する場合
      When adjusting spacing:
      → 「SPACING ADJUSTMENTS」セクションを編集してください
         Edit the "SPACING ADJUSTMENTS" section

   3. 新しいスタイルを追加する場合
      When adding new styles:
      → このファイルの最後に追加してください
         Add them at the end of this file
      → コメントで説明を必ず書いてください
         Always add comments explaining the purpose

   参考資料 (References):
   - Bootstrap 5 Documentation: https://getbootstrap.com/docs/5.0/
   - CSS Variables: https://developer.mozilla.org/en-US/docs/Web/CSS/Using_CSS_custom_properties

   質問がある場合は、開発チームに相談してください
   If you have questions, consult with the development team
*/

/* ===================================================================
   13. CUSTOM STYLES FROM SEEKR (MIGRATED)
   =================================================================== */

/* Video Header Start */

.video-box {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.overlay::after {
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  width: 100%;
  height: 100%;
  content: "";
  background: rgba(25, 26, 26, 0.8);
}

.text-box {
  position: relative;
  width: 100%;
  color: var(--brand-text);
  line-height: 150%;
  z-index: 1;
  word-break: keep-all;
  overflow-wrap: break-word;
}

/* Custom Grids and Backgrounds */
.top-left {
  padding-left: 0px;
}

@media (min-width: 768px) {

  .top-left,
  .top-right {
    min-height: 300px;
  }
}

.bg-dark {
  background-color: var(--brand-dark) !important;
}

.dark-grid-border {
  border-left: 1px solid #7d7d7d;
}

@media (max-width: 767px) {
  .dark-grid-border {
    border-left: none;
  }
}

.dark-bg {
  background-color: var(--brand-light-bg) !important;
  color: #ffffff !important;
  background: url(../../seekr/images/bg-dark.png);
  background-size: cover;
}

.stats-grid-border {
  border: 1px solid #7d7d7d;
  border-top: none;
  padding: 30px 20px;
  margin: 0px auto;
  backdrop-filter: blur(10px);
}

@media screen and (max-width: 767px) {
  .mobile-border {
    border-bottom: 1px solid #7d7d7d;
  }

  .stats-grid-border {
    border-right: 0px !important;
    border-left: 0px !important;
    border-top: 1px solid #7d7d7d;
  }
}

/* Feature Cards (Cell Frame) */
.cell-frame {
  background-color: #f4f4f4;
  border: 1px solid #adadad;
  padding: 50px 30px;
  text-align: left;
  transition: all 0.3s ease;
}

.cell-frame p {
  color: var(--brand-text);
}

.cell-frame p.accent1 {
  color: var(--brand-secondary);
}

.cell-frame path {
  fill: var(--brand-secondary);
}

.cell-frame:hover {
  background-color: var(--brand-secondary);
  cursor: pointer;
}

.cell-frame:hover p.accent1,
.cell-frame:hover h3,
.cell-frame:hover p {
  color: #ffffff;
}

.cell-frame:hover path {
  fill: #ffffff;
}

.cell-frame img.icon-svg {
  transition: filter 0.3s ease, transform 0.3s ease;
}

.cell-frame:hover img.icon-svg {
  filter: brightness(0) invert(1);
  transform: rotate(90deg);
}

/* Text Colors */
.text-muted {
  color: #bdbdbd !important;
}

p.accent1 {
  color: var(--brand-secondary);
}

/* Announcement Bar */
.announcement-bar {
  background-color: var(--brand-secondary);
  padding: 15px 0;
}

.announcement-bar p {
  color: var(--brand-text);
  font-size: 16px;
  margin-bottom: 0;
  text-align: center;
}

.announcement-bar a {
  text-decoration: none;
}

/* ===================================================================
   14. News List (最新情報) - From CIQ
   =================================================================== */
.news-container {
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  padding: 1.5rem;
}

.news-filter-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.news-filter-btn {
  background: transparent;
  border: 1px solid var(--brand-primary);
  color: var(--brand-primary);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

.news-filter-btn.active,
.news-filter-btn:hover {
  background: var(--brand-primary);
  color: #121212;
}

.news-list {
  max-width: none;
  height: 250px;
  overflow-y: auto;
  margin: 0;
  text-align: left;
  padding-right: 15px;
}

/* Scrollbar styles for news list */
.news-list::-webkit-scrollbar {
  width: 8px;
}

.news-list::-webkit-scrollbar-track {
  background-color: #f1f1f1;
  border-radius: 8px;
}

.news-list::-webkit-scrollbar-thumb {
  background-color: var(--brand-dark);
  border-radius: 8px;
}

.news-list::-webkit-scrollbar-thumb:hover {
  background-color: var(--brand-primary);
}

.news-list-item {
  display: grid;
  grid-template-columns: 140px 100px 1fr;
  column-gap: 10px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  padding: 0.8rem 0.5rem;
  position: relative;
  transition: all 0.2s ease;
  align-items: center;
  text-decoration: none;
  color: inherit;
}

.news-list-item::before {
  content: "";
  position: absolute;
  left: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background-color: var(--brand-secondary);
  border-radius: 50%;
  opacity: 0;
  transition: all 0.2s ease;
}

.news-list-item:hover {
  background-color: rgba(0, 218, 211, 0.05);
  padding-left: 1.5rem;
}

.news-list-item:hover::before {
  opacity: 1;
}

.news-list-item:last-child {
  border-bottom: none;
}

.news-badge-container {
  display: flex;
  align-items: center;
}

.news-badge {
  font-size: 0.75rem;
  padding: 0.3em 0.6em 0.4em 0.6em;
  border-radius: 4px;
  font-weight: 600;
  white-space: nowrap;
  display: inline-block;
  line-height: 1;
}

.badge-blog {
  background-color: rgba(238, 88, 51, 0.15); /* Derived from --brand-secondary (#ee5833) */
  color: #c54120;
}

.badge-webinar {
  background-color: rgba(0, 218, 211, 0.15); /* Derived from --brand-primary (#00dad3) */
  color: var(--brand-dark);
}

.badge-notice {
  background-color: #e3f2fd;
  color: #0d47a1;
}

.news-list dt {
  font-weight: 600;
  color: var(--brand-dark);
  margin: 0;
  display: flex;
  align-items: center;
}

.news-list dd {
  margin: 0;
  color: #333;
}

@media (max-width: 767.98px) {
  .news-list-item {
    grid-template-columns: 1fr;
    gap: 0.4rem;
    padding: 1rem 0.5rem;
  }

  .news-badge-container {
    margin-bottom: 0.2rem;
  }
}

/* Deployment Options Row Start */
.deployment-row {
  background-color: #1f2120;
  border: 1px solid #3a3a3a;
  border-bottom: none;
  transition: all 0.2s ease-in-out;
}

.deployment-row:last-child {
  border-bottom: 1px solid #3a3a3a;
}

.deployment-row:hover {
  background-color: #ee5833;
  color: #ffffff;
  cursor: pointer;
}

.deployment-row:hover h4,
.deployment-row:hover p,
.deployment-row:hover span {
  color: #ffffff !important;
}

.deployment-row:hover svg path {
  fill: #ee5833 !important;
}

.deployment-row:hover .rounded-circle {
  background-color: #ffffff !important;
}

/* Deployment Options Row End */

/* Sticky Stacking Cards */
.sticky-stack-container {
  position: relative;
  padding-bottom: 4rem;
}

.sticky-stack-card {
  position: sticky;
  background-color: #ffffff;
  border-radius: 16px;
  box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.05);
  border: 1px solid #eaeaea;
  padding: 2rem;
  margin-bottom: 2rem;
  overflow: hidden;
  top: 100px;
}

.sticky-stack-card:nth-child(1) {
  top: 100px;
  z-index: 1;
}

.sticky-stack-card:nth-child(2) {
  top: 120px;
  z-index: 2;
}

.sticky-stack-card:nth-child(3) {
  top: 140px;
  z-index: 3;
}

.sticky-stack-card:nth-child(4) {
  top: 160px;
  z-index: 4;
}

.sticky-stack-card:nth-child(5) {
  top: 180px;
  z-index: 5;
}

.sticky-stack-card:nth-child(6) {
  top: 200px;
  z-index: 6;
}

/* Seekr Footer CTA Start */
.footer-cta {
  background: url(../../seekr/images/footer-bg.png);
  background-position: right;
  background-repeat: no-repeat;
  background-size: cover;
  color: #fff;
  padding: 40px 0px;
}

.dark-blur-card {
  background-color: #121212b5;
  padding: 20px 50px;
  text-align: center;
  border: 1px solid #3a3a3a;
  backdrop-filter: blur(15px);
}

/* Seekr Footer CTA End */

/* ===================================================================
   15. Nav Pills Customization
   =================================================================== */
.nav-pills {
  margin-bottom: 1.5rem;
  gap: 0.5rem;
}

.nav-pills .nav-item {
  width: 100%;
}

@media (min-width: 768px) {
  .nav-pills {
    flex-wrap: nowrap;
  }

  .nav-pills .nav-item {
    width: auto;
    flex: 1 1 0%;
  }
}

.nav-pills .nav-link {
  border-radius: 20px;
  width: 100%;
}

.nav-link {
  color: var(--brand-light);
}

.nav-link:focus,
.nav-link:hover {
  background-color: var(--brand-light);
  color: var(--brand-text);
}

.nav-pills .nav-link.active {
  background-color: var(--brand-primary);
  color: var(--brand-text);
}

.card-icon {
  margin-bottom: 1rem;
  color: var(--brand-secondary);
}

/* ===================================================================
   16. Scroll to Top Button
   =================================================================== */
.scroll-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--brand-secondary);
  color: white;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  cursor: pointer;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-to-top:hover {
  background-color: var(--brand-dark);
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
}

.scroll-to-top svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

@media (max-width: 575.98px) {
  .scroll-to-top {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
  }
}

/* ===================================================================
   17. Feature Card (Contact Page)
   =================================================================== */
.feature-card {
  background-color: #1f2120;
  border: 1px solid #3a3a3a;
  transition: all 0.3s ease;
  height: 100%;
}

.feature-card:hover {
  background-color: var(--brand-dark);
  border-color: var(--brand-secondary);
}

.feature-card .fa {
  color: var(--brand-secondary);
}

.btn-primary.contact-btn {
  color: var(--brand-dark) !important;
}

.btn-primary.contact-btn:hover {
  background-color: #40f4e8;
  border-color: #40f4e8;
  color: var(--brand-dark) !important;
}

/* ===================================================================
   18. Utility Classes
   =================================================================== */
.hero-divider {
  margin: 0px;
  border-top: 1px solid #7d7d7d;
  opacity: 1;
}

.feature-icon-box {
  background-color: var(--brand-dark);
  border: 1px solid #3a3a3a;
}

.icon-lg-box {
  width: 4rem;
  height: 4rem;
}

.icon-md {
  width: 40px;
  height: 40px;
}

.icon-sm {
  width: 32px;
  height: 32px;
}

.max-w-1000 {
  max-width: 1000px;
}

.btn-max-w {
  max-width: 250px;
}

.bg-brand-dark {
  background-color: var(--brand-dark);
}

.text-brand-secondary {
  color: var(--brand-secondary);
}

/* ===================================================================
   19. Solution Cards
   =================================================================== */

.solution-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 2px solid transparent;
  border-radius: 12px;
  overflow: hidden;
  height: 100%;
}

.solution-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  border: 2px solid var(--brand-secondary);
}

.solution-card img {
  height: 200px;
  object-fit: cover;
}

a.solution-link {
  text-decoration: none;
  color: inherit;
  display: block;
  height: 100%;
}

/* ===================================================================
   20. Footer Links Customization
   =================================================================== */

footer.product .footerlist a {
  color: #ffffff;
}

footer.product .footerlist a:hover {
  color: var(--brand-primary);
  text-decoration: none;
}

/* ===================================================================
   Scroll reveal animation - スクロールリビールアニメーション
   ================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* 少し遅らせる */
.reveal-delay-1 {
  transition-delay: 0.1s;
}

.reveal-delay-2 {
  transition-delay: 0.2s;
}

.reveal-delay-3 {
  transition-delay: 0.3s;
}

/* Event Page Card Hover */
.event-card {
  transition: border-color 0.3s ease;
}

.event-card:hover {
  border-color: var(--brand-primary) !important;
}

/* Event Page Custom Badge */
.event-badge {
  background-color: var(--brand-primary);
  color: #121212;
  padding-bottom: 0.45em;
}