/*
================================================================================
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: #ffffff;        /* 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: #000000;      /* 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: #12a66f;           /* 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-light-bg: #000000;       /* Very Light Teal - 変更可能 */

  /* CTAセクション背景 (CTA Section Background) - "Ready to Get Started"等に使用 */
  --brand-cta-bg: #0000006e;         /* Lighter Teal - 変更可能 */

  /* テキストカラー (Text Color) - リンクなどに使用 */
  --brand-text: #ffffff;           /* 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-light-bg) !important;  /* ヘッダー背景色 */
  border-bottom: 3px solid #12a66f;  /* 下部ボーダー */
  margin-bottom: 0;
  margin-top: 0;
}

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

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

/* ===================================================================
   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).
*/

footer.product .footerlist a {
  color: #ffffff;
  text-decoration: none;
  transition: color 0.25s ease, text-shadow 0.25s ease;
}

footer.product .footerlist a:hover {
  color: var(--brand-dark);
  text-shadow: 0 0 8px rgba(18, 166, 111, 0.75);
}

/* ===================================================================
   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: #000000;      /* 背景色 (Background color) */
}

/* 偶数番目のセクションを灰色背景に (Even sections get gray background) */
.section-wrapper:nth-child(even) {
  background-color: #000000e0;
}

/* セクション内のカード (Cards within sections) */
.section-card {
  background-color: #000000;
  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-primary);       /* 見出しの色 (Heading color) */
  font-weight: bold;
}

/* セクションタイトル (Section title) */
.section-title {
    color: var(--brand-primary);
    padding-bottom: 10px;
    margin-bottom: 20px;
}

/* サブセクションタイトル (Subsection title) */
.subsection-title {
    color: #ffffff;
    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)
*/

/*ヘッダー上の検索ボタン*/
.input-group .btn.btn-outline-light[type="submit"][aria-label="検索"] {
  color: var(--brand-primary) !important;
  border-color: var(--brand-primary) !important;
  background-color: transparent !important;

  min-width: auto !important;
  width: 48px !important;
  max-width: 48px !important;
  padding: 0.375rem 0.75rem !important;

  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 48px;
}

.input-group .btn.btn-outline-light[type="submit"][aria-label="検索"]:hover {
  background-color: var(--brand-primary) !important;
  border-color: var(--brand-primary) !important;
  color: #ffffff !important;
}

/*ボタン一覧*/
.btn-primary {
  background-color: var(--brand-secondary);
  border-color: var(--brand-dark);
  color: var(--brand-dark);
}

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

.btn-outline-primary {
  color: var(--brand-primary);
  border-color: var(--brand-primary);
  background-color: transparent;
  border-radius: 20px;
  padding: 0.375rem 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-outline-primary:hover {
  background-color: var(--brand-dark);
  border-color: var(--brand-primary);
  color: #ffffff;
  border-radius: 6px;
  text-decoration: none;
}

.btn-outline-primary:hover strong {
  color: #ffffff;
}

.btn-outline-light {
  background-color: var(--brand-dark);
  border-color: var(--brand-dark);
  color: #000000;
  min-width: 150px;
  padding: 0.5rem 1rem;
  text-align: center;
}

.btn-outline-light:hover {
  background-color: var(--brand-secondary);
  border-color: var(--brand-dark);
  color: #ffffff;
}

.hero-cta-btn {
  min-width: 170px;
  padding: 0.5rem 1rem;
  font-size: 1.2rem;
  text-align: center;
}

.step-cta-btn {
  min-width: 150px;
  padding: 0.75rem 1rem;
  text-align: center;
}

.product-hero-cta-btn {
  min-width: 160px;
  padding: 0.5rem 1rem;
  font-size: 1.1rem;
  text-align: center;
}

.product-section-cta-btn {
  min-width: 140px;
  padding: 0.5rem 1rem;
  text-align: center;
}

/* ===================================================================
   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: 4rem 0;
  background-image: url('../images/hero-background.png');  /* 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: rgba(53, 53, 53, 0);
  z-index: 0;
  /* background: linear-gradient(135deg, rgba(20, 184, 166, 0.8) 0%, rgba(13, 148, 136, 0.7) 100%); */
}

.hero-content {
  max-width: 1280px;
}

.hero-title {
  font-weight: 700;
  color: #ffffff;
}

.hero-subtitle {
  max-width: 1000px;
  opacity: 0.95;
  color: #ffffff;
  line-height: 1.7;
}

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

/* ===================================================================
   ページ最後部 CTA セクション
   =================================================================== */

.final-cta-section {
  border-bottom: 1px solid #ffffff;
}

.final-cta-lead {
  font-size: 1rem;
  color: #ffffff;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
}

/* ===================================================================
   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);
}

/*追加カード*/
.challenges-section {
  padding-bottom: 5rem;
  background-color: #000000;
  color: #ffffff;
}

.challenges-section .section-title {
  color: #ffffff;
}

.challenges-section .section-lead {
  color: #ffffff;
  font-size: 1rem;
  line-height: 1.8;
}

.challenge-card-row {
  max-width: 1250px;
  margin-left: auto;
  margin-right: auto;
}

.challenge-card-row > div {
  display: flex;
}

.challenge-card {
  border: 2px solid #555555;
  border-radius: 8px;
  background-color: transparent;
  padding: 1rem;
  width: 100%;
  max-width: 280px;
  height: 145px;
  margin-left: auto;
  margin-right: auto;

  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.challenge-icon-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 0.7rem;
}

.challenge-icon {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.challenge-card strong {
  color: #ffffff;
  font-size: 0.92rem;
  line-height: 1.4;
  margin-bottom: 0.45rem;
}

.challenge-card p {
  color: #bfbfbf;
  font-size: 0.82rem;
  line-height: 1.5;
  margin: 0;
}

/* ===================================================================
   RLC Pro で本番運用の要件に対応
   =================================================================== */

.rlc-requirements-section {
  color: #ffffff;
}

.rlc-requirements-section .rlc-requirements-card {
  width: 100%;
  min-height: 170px;
  padding: 1.25rem 1rem;
  border: 2px solid #555555;
  border-radius: 8px;
  overflow: hidden;
  background-color: transparent;
  color: #ffffff;

  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.rlc-requirements-product-logo-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 1.25rem;
}

.rlc-requirements-product-logo {
  max-width: 190px;
  height: auto;
  object-fit: contain;
}

.rlc-requirements-card-row {
  max-width: 1050px;
  margin-left: auto;
  margin-right: auto;
}

.rlc-requirements-card-row > div {
  display: flex;
}

.rlc-requirements-card {
  width: 100%;
  min-height: 150px;
  padding: 1.25rem 1rem;
  border: 2px solid #555555;
  border-radius: 8px;
  background-color: transparent;
  color: #ffffff;

  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.rlc-requirements-section .rlc-requirements-icon-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 0.85rem;
}

.rlc-requirements-section .rlc-requirements-icon {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.rlc-requirements-card strong {
  color: #ffffff;
  font-size: 0.98rem;
  line-height: 1.5;
  margin-bottom: 0.45rem;
}

.rlc-requirements-card p {
  color: #cccccc;
  font-size: 0.86rem;
  line-height: 1.5;
  margin: 0;
}

.rlc-requirements-cta-btn {
  min-width: 200px;
  padding: 0.5rem 0.75rem;
  text-align: center;
}

/*追加カード: AI・HPC 開発に最適なエコシステム*/
.ecosystem-card-row {
  max-width: 1040px;
  margin-left: auto;
  margin-right: auto;
}

.ecosystem-card {
  border: 2px solid #555555;
  border-radius: 8px;
  color: #ffffffc9;
  background-color: transparent;
  padding: 1rem;
  text-align: center;
}

.ecosystem-logo-wrap {
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
}

.ecosystem-logo {
  height: 36px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
}

.ecosystem-card p {
  margin-bottom: 0;
  font-size: 0.9rem;
  line-height: 1.5;
}

.ecosystem-section .ecosystem-card {
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  will-change: transform;
}

.ecosystem-section .ecosystem-card:hover {
  transform: translateY(-6px);
  box-shadow:
    0 16px 28px -12px rgba(18, 166, 111, 0.42),
    12px 8px 26px -20px rgba(18, 166, 111, 0.35),
    -12px 8px 26px -20px rgba(18, 166, 111, 0.35);
}

/*追加カード: 日本語サポート*/
.support-card-row {
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.support-card {
  background-color: transparent;
  border: 2px solid #555555;
  border-top: 5px solid var(--brand-dark);
  padding: 1.5rem 1.75rem;
  text-align: left;
}

.support-card-title {
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 700;
  text-decoration: underline;
  margin-bottom: 1.25rem;
}

.support-card p {
  color: #ffffff;
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 0;
}

/* ===================================================================
   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;
  }
}


/* 追加セクション: Rocky Linux が選ばれる理由*/
.section-lead {
  color: var(--brand-primary);
  max-width: 1000px;
  width: 100%;
  line-height: 1.5;
  font-size: 1rem;
  line-height: 1.8;
}

.reason-card-row {
  max-width: 1150px;
}

.reason-card {
  text-align: center;
  padding: 1.5rem;
}

.reason-card-title {
  color: var(--brand-dark);
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.reason-card p {
  margin-bottom: 0.5rem;
}

.reason-card-note-btm {
  color: #ffffff;
  font-size: 0.95rem;
  margin-bottom: 0;
}

.reason-card-note {
  color: #ffffff91;
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* ===================================================================
  　リスク耐性に応じて選べるサポート サービス
   =================================================================== */
.support-plan-card-row {
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.support-plan-card {
  min-height: 350px;
  padding: 3rem 2.5rem;
  border: 2px solid #aaaaaa;
  border-radius: 20px;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  transition: transform 0.35s ease;
  will-change: transform;
}

.support-plan-card:hover {
  transform: translateY(-6px);
}

.support-plan-premium {
  background-color: rgba(255, 255, 255, 0.158);
}

.support-plan-title {
  color: #ffffff;
  font-size: 1.7rem;
  font-weight: 700;
  margin-bottom: 1.75rem;
}

.support-plan-lead {
  color: #ffffff;
  font-size: 0.98rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.support-plan-list {
  color: #ffffff;
  padding-left: 1.2rem;
  margin-bottom: 0;
}

.support-plan-list li {
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.8;
  margin-bottom: 0.25rem;
}

.support-plan-cta-outer {
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.support-plan-cta-inner {
  display: grid;
  grid-template-columns: repeat(2, 280px);
  justify-content: center;
  gap: 4rem;
}

.support-plan-cta-btn {
  width: 100%;
  padding: 0.5rem 0.9rem;
  text-align: center;
}

@media (max-width: 576px) {
  .support-plan-cta-inner {
    grid-template-columns: 1fr;
    max-width: 300px;
    margin-left: auto;
    margin-right: auto;
  }
}

/* ===================================================================
  　導入ステップ
   =================================================================== */

.step-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.step-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.8rem 1.4rem;
  border-radius: 999px;
  transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.step-item:hover {
  background-color: rgba(255, 255, 255, 0.253);
  transform: translateY(-4px);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background-color: #e5e5e5;
  color: #000000;
  font-size: 1.5rem;
  font-weight: 700;
}

.step-label {
  color: #ffffff;
  font-size: 1.4rem;
  font-weight: 500;
}

.step-arrow {
  width: 42px;
  height: 22px;
  position: relative;
  background-color: #a6a8a8;
  clip-path: polygon(
    0 35%,
    65% 35%,
    65% 0,
    100% 50%,
    65% 100%,
    65% 65%,
    0 65%
  );
  flex-shrink: 0;
}

@media (max-width: 576px) {
  .step-flow {
    flex-direction: column;
    gap: 1.25rem;
  }

  .step-arrow {
    transform: rotate(90deg);
  }
}

/* ===================================================================
  　最新情報
   =================================================================== */

.news-section {
  background-color: #000000e0;
  color: #ffffff;
  padding-top: 60px;
  padding-bottom: 60px;
  margin-top: 0;
  margin-bottom: 0;
}

.news-title {
  text-align: center;
  color: #ffffff;
  font-weight: 700;
  margin-bottom: 2rem;
  position: relative;
}

.news-title::after {
  content: "";
  display: block;
  width: 56px;
  height: 4px;
  background-color: var(--brand-dark);
  margin: 0.75rem auto 0;
  border-radius: 2px;
}

.news-list {
  text-align: left;
  max-width: 960px;
  height: 200px;
  overflow-y: scroll;
  margin: 0 auto;
  padding: 20px;
  color: #ffffff;

  background-color: transparent;
  border: 3px solid #555555;
  border-radius: 8px;
  box-shadow: 0 14px 24px -10px rgba(2, 255, 78, 0.281);

  /* Firefox 用 */
  scrollbar-color: var(--brand-dark) #1a1a1a;
  scrollbar-width: auto;
}

.news-list::-webkit-scrollbar {
  width: 8px;
}

.news-list::-webkit-scrollbar-track {
  background-color: #1a1a1a;
  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 dt {
  position: relative;
  padding-left: 16px;
  font-weight: 700;
  margin: 0 0 4px 0;
}

.news-list dt::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.25rem;
  width: 5px;
  height: 1.1em;
  background-color: var(--brand-dark);
  border-radius: 3px;
}

.news-list dd {
  margin: 0 0 12px 16px;
  padding-bottom: 12px;
  border-bottom: 1px dotted #b5b5b5;
}

/*記事リストの文にリンクを挿入する場合に使用
.news-list a {
  color: var(--brand-dark);
  text-decoration: none;
}

.news-list a:hover {
  text-decoration: underline;
}
*/

/* ===================================================================
   製品概要
   ================================================================== */

/*製品概要ヒーロー*/
.product-hero-section {
  position: relative;
  padding: 4rem 0;
  background-color: #000000;  /* フォールバック背景色 */
}

.product-hero-overlay {
  display: none;
}

.product-hero-lead {
  font-size: 16px;
  max-width: 1050px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
}

/*製品概要セクション２*/
.operation-benefit-card-row {
  max-width: 1080px;
  margin-left: auto;
  margin-right: auto;
}

.operation-benefit-card {
  background-color: #00000041;
  border: 1px solid #555555;
  border-radius: 10px;
  padding: 1.75rem 1.5rem;
  text-align: center;
}

.operation-benefit-icon {
  width: 56px;
  height: 56px;
  object-fit: contain;
  margin-bottom: 1.25rem;
}

.operation-benefit-title {
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 0.9rem;
}

.operation-benefit-text {
  color: #cccccc;
  font-size: 0.82rem;
  line-height: 1.8;
  margin-bottom: 0;
}

/*セクション3: RLC Pro が支援する本番運用の要件*/
.rlc-requirements-card-row > div {
  display: flex;
}

.rlc-requirements-card {
  width: 100%;
  height: 150px;
  border: 2px solid #555555;
  border-radius: 0;
  background-color: transparent;
  padding: 0.8rem 1rem;
  display: flex;
  flex-direction: column;
}

.rlc-requirements-card-heading {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.9rem;
}

.rlc-requirements-icon {
  width: 32px;
  height: 32px;
  object-fit: contain;
  flex-shrink: 0;
}

.rlc-requirements-card strong {
  color: #ffffff;
  font-size: 0.95rem;
  line-height: 1.35;
}

.rlc-requirements-card p {
  color: #ffffff;
  font-size: 0.85rem;
  line-height: 1.5;
  margin-bottom: 0;
}

/* ===================================================================
   RLC Pro ファミリー タブ
   =================================================================== */

.rlc-family-section {
  background-color: #000000;
  color: #ffffff;
}

.rlc-family-tabs {
  display: flex;
  justify-content: center;
  gap: 0;
  border-bottom: 1px solid #555555;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.rlc-family-tabs .nav-item {
  flex: 1;
  text-align: center;
}

.rlc-family-tabs .nav-link {
  width: 100%;
  color: #ffffffbe;
  background-color: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  border-radius: 0;
  padding: 0.75rem 1rem;
  font-weight: 600;
}

.rlc-family-tabs .nav-link:hover {
  color: var(--brand-dark);
  border-bottom-color: #555555;
}

.rlc-family-tabs .nav-link.active {
  color: var(--brand-primary);
  background-color: transparent;
  border: none;
  border-bottom: 3px solid var(--brand-dark);
}

@media (max-width: 576px) {
  .rlc-family-tabs {
    max-width: 100%;
  }

  .rlc-family-tabs .nav-link {
    font-size: 0.85rem;
    padding: 0.65rem 0.5rem;
  }
}

.rlc-family-tab-content {
  margin-top: 1.5rem;
}

/* 製品ラインアップ画像 */
.rlc-lineup-image-wrap {
  text-align: center;
}

.rlc-lineup-image {
  max-width: 55%;
  height: auto;
}

@media (max-width: 768px) {
  .rlc-lineup-image {
    max-width: 100%;
  }
}

/* 企業向け製品カード */
.rlc-product-card-row {
  max-width: 1080px;
  margin-left: auto;
  margin-right: auto;
}

.rlc-product-card {
  border: 2px solid #555555;
  background-color: #00000041;
  padding: 1.6rem 1.6rem 1.4rem;
  display: flex;
  flex-direction: column;
  transition: transform 0.35s ease, background-color 0.35s ease, box-shadow 0.35s ease;
}

.rlc-product-card:hover {
  transform: translateY(-6px);
  background-color: rgba(44, 44, 44, 0);
  box-shadow:
    0 16px 28px -12px rgba(18, 166, 111, 0.42),
    12px 8px 26px -20px rgba(18, 166, 111, 0.35),
    -12px 8px 26px -20px rgba(18, 166, 111, 0.35);
}

.rlc-product-logo-wrap {
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  margin-bottom: 1.25rem;
}

.rlc-product-logo {
  height: 36px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
}

.rlc-product-category {
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.rlc-product-description {
  color: #ffffff;
  font-size: 0.9rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.rlc-product-list {
  list-style: none;
  padding-left: 0;
  margin-bottom: 0;
}

.rlc-product-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  color: #ffffff;
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.6;
  margin-bottom: 0.85rem;
}

.rlc-check-icon {
  width: 18px;
  height: 18px;
  object-fit: contain;
  flex-shrink: 0;
  margin-top: 0.2rem;
}

/* 無償版カード */
.rlc-plus-card {
  border: 2px solid #555555;
  border-radius: 10px;
  background-color: transparent;
  padding: 1.75rem 2rem;
  color: #ffffff;
}

.rlc-plus-card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.rlc-plus-logo {
  height: 42px;
  width: auto;
  object-fit: contain;
}

.rlc-plus-lead {
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 1rem;
}

.rlc-plus-points {
  list-style: none;
  padding-left: 0;
  margin-bottom: 0;
}

.rlc-plus-points li {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 0.4rem;
}

.rlc-plus-points li::before {
  content: "✓";
  color: var(--brand-primary);
  font-weight: 700;
  margin-right: 0.5rem;
}

.rlc-plus-note {
  color: #aaaaaa;
  font-size: 0.9rem;
  margin-top: 1rem;
  margin-bottom: 0;
}

/* ===================================================================
   RLC Edition Comparison
   =================================================================== */

.rlc-edition-comparison-section {
  color: #ffffff;
}

.rlc-comparison-table-wrap {
  max-width: 1120px;
  margin: 0 auto;
  overflow-x: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.rlc-comparison-table {
  width: 100%;
  min-width: 1120px;
  table-layout: fixed;
  border-collapse: separate;
  border-spacing: 0;
  color: #ffffff;
  font-size: 0.92rem;
}

/* 一番左の項目列 */
.rlc-feature-col {
  width: 220px;
}

/* Rocky Linux 列 */
.rlc-rocky-col {
  width: 170px;
}

/* RLC+ / RLC Pro / Hardened / AI の列 */
.rlc-product-col {
  width: 170px;
}

/* RLC Pro Hardened の列 */
.rlc-pro-hardened-col {
  width: 210px;
}

/* セル共通 */
.rlc-comparison-table th,
.rlc-comparison-table td {
  padding: 1.4rem 1rem;
  text-align: center;
  vertical-align: middle;
  border: none;
  border-right: 1px solid rgba(255, 255, 255, 0.16);
}

/* 最後の列の右線を消す */
.rlc-comparison-table th:last-child,
.rlc-comparison-table td:last-child {
  border-right: none;
}

/* ヘッダー行 */
.rlc-comparison-table thead th {
  background-color: #11161c;
  color: #ffffff;
  font-weight: 700;
  line-height: 1.5;
  padding-top: 2rem;
  padding-bottom: 2rem;
}

.rlc-comparison-table thead th span {
  font-size: 0.78rem;
  font-weight: 600;
  color: #cccccc;
}

/* 左端の項目列 */
.rlc-comparison-table tbody th {
  text-align: left;
  font-weight: 700;
  line-height: 1.5;
  width: auto;
}

/* 行ごとに背景色を分ける */
.rlc-comparison-table tbody tr:nth-child(odd) th,
.rlc-comparison-table tbody tr:nth-child(odd) td {
  background-color: #1a1f27;
}

.rlc-comparison-table tbody tr:nth-child(even) th,
.rlc-comparison-table tbody tr:nth-child(even) td {
  background-color: #10151b;
}

/* 行の間に少しだけ区切り感を出す */
.rlc-comparison-table tbody tr th,
.rlc-comparison-table tbody tr td {
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

/* 製品ロゴ */
.rlc-table-logo-box {
  width: 100%;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 製品ロゴ画像を高さ基準でそろえる */
.rlc-table-product-logo {
  height: 27px;
  width: auto;
  max-width: 150px;
  object-fit: contain;
}

.rlc-table-product-logo-hardened {
  max-width: 190px;
}

/* チェックマーク */
.rlc-table-check {
  width: 30px;
  height: 30px;
  object-fit: contain;
}

/* 注記セル */
.rlc-table-note {
  font-size: 0.78rem;
  line-height: 1.55;
  text-align: left;
  color: #ffffff;
}

/* 「―」の見え方 */
.rlc-comparison-table td {
  font-weight: 600;
}

/* CTA */
.rlc-comparison-cta-row {
  align-items: center;
}

.rlc-comparison-cta-btn {
  min-width: 220px;
  padding: 0.75rem 1.5rem;
  text-align: center;
}

/* ===================================================================
   Ecosystem Detail Cards
   =================================================================== */

.ecosystem-detail-card-row {
  max-width: 980px;
  margin-left: auto;
  margin-right: auto;
}

.ecosystem-detail-card {
  border: 2px solid #555555;
  border-radius: 8px;
  background-color: #00000041;
  padding: 1.5rem 1.6rem;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  min-height: 260px;
}

.ecosystem-detail-logo-wrap {
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  margin-bottom: 1.25rem;
}

.ecosystem-detail-logo {
  height: 34px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
}

.ecosystem-detail-title {
  color: #ffffff;
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.ecosystem-detail-text {
  color: #ffffff;
  font-size: 0.9rem;
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

.ecosystem-detail-list {
  list-style: none;
  padding-left: 0;
  margin: auto 0 0;
}

.ecosystem-detail-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  color: #ffffff;
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.6;
  margin-bottom: 0.45rem;
}

.ecosystem-detail-list li:last-child {
  margin-bottom: 0;
}

.ecosystem-check-icon {
  width: 18px;
  height: 18px;
  object-fit: contain;
  flex-shrink: 0;
  margin-top: 0.2rem;
}

#ecosystem-tools .ecosystem-detail-card {
  transition: transform 0.35s ease, background-color 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  will-change: transform;
}

#ecosystem-tools .ecosystem-detail-card:hover {
  transform: translateY(-6px);
  background-color: rgba(54, 54, 54, 0);
  border-color: #666666;
  box-shadow:
    0 16px 28px -12px rgba(18, 166, 111, 0.42),
    12px 8px 26px -20px rgba(18, 166, 111, 0.35),
    -12px 8px 26px -20px rgba(18, 166, 111, 0.35);
}

/* ===================================================================
   Planページ
   =================================================================== */


/* ===================================================================
   Support Plan Table - 製品別サポート プラン
   =================================================================== */

.support-plan-table-section {
  color: #ffffff;
}

.support-plan-table-wrap {
  max-width: 1120px;
  margin: 0 auto;
  overflow-x: auto;
  border: 2px solid #555555;
}

.support-plan-table {
  width: 100%;
  min-width: 1150px;
  border-collapse: collapse;
  color: #ffffff;
  font-size: 0.95rem;
}

.support-plan-table th,
.support-plan-table td {
  border: 1px solid #555555;
  padding: 1.1rem 1rem;
  text-align: center;
  vertical-align: middle;
}

.support-plan-table thead th {
  color: #ffffff;
  font-weight: 700;
}

.support-plan-table tbody th {
  text-align: left;
  background-color: rgba(255, 255, 255, 0.03);
  font-weight: 700;
}

.support-plan-table tbody td {
  background-color: rgba(255, 255, 255, 0.05);
  font-weight: 600;
}

/* Premium サポート列を少し強調 */
.support-plan-table tbody td:nth-child(4),
.support-plan-table thead th:nth-child(4) {
  background-color: rgba(255, 255, 255, 0.1);
}

/* 製品列 */
.support-product-col {
  width: 44%;
}

/* 製品ロゴ */
.support-product-logos {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.support-product-logos span {
  color: #aaaaaa;
  font-weight: 700;
}

.support-product-logo {
  height: 28px;
  width: auto;
  max-width: none;
  max-height: none;
  object-fit: contain;
  flex-shrink: 0;
}

.support-product-logo-wide {
  height: 28px;
  max-width: none;
}

.support-product-logos-multiple {
  gap: 1.5rem;
}

.support-product-logos-multiple .support-product-logo {
  height: 28px;
  width: auto;
  max-width: none;
  max-height: none;
  object-fit: contain;
  flex-shrink: 0;
}

/* 「含まれる」バッジ */
.support-included-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.85rem;
  background-color: #04042473;
  color: #ffffff;
  border: 1px solid rgba(18, 166, 111, 0.55);
  border-radius: 6px;
  font-weight: 700;
  white-space: nowrap;
}

.support-check-symbol {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  color: #ffffff;
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1;
}

/* スマホ表示 */
@media (max-width: 768px) {
  .support-plan-table {
    min-width: 1100px;
  }

  .support-product-logo,
  .support-product-logo-wide,
  .support-product-logos-multiple .support-product-logo {
    height: 24px;
  }
}

/* ===================================================================
   Risk Plan Cards - リスク耐性に合わせた導入
   =================================================================== */

.risk-plan-card-row {
  max-width: 1080px;
  margin-left: auto;
  margin-right: auto;
}

.risk-plan-card {
  border: 2px solid #555555;
  background-color: transparent;
  color: #ffffff;
  padding: 2.5rem 2rem 2rem;
  display: flex;
  flex-direction: column;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  will-change: transform;
}

.risk-plan-card:hover {
  transform: translateY(-6px);
  border-color: #cccccc;
  box-shadow:
    0 16px 28px -12px rgba(18, 166, 111, 0.42),
    12px 8px 26px -20px rgba(18, 166, 111, 0.35),
    -12px 8px 26px -20px rgba(18, 166, 111, 0.35);
}

.risk-product-label {
  width: 100%;
  max-width: 220px;
  margin: 0 auto;
  padding: 0.8rem 1rem;
  background-color: var(--brand-dark);
  color: #000000;
  font-weight: 700;
  text-align: center;
  border-radius: 8px;
}

.risk-product-label-wide {
  max-width: 260px;
  font-size: 0.92rem;
}

.risk-plus {
  color: #ffffff;
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  text-align: center;
  margin: 0.65rem 0;
}

.risk-support-label {
  width: 100%;
  max-width: 220px;
  margin: 0 auto 2.2rem;
  padding: 0.75rem 1rem;
  border: 2px solid #777777;
  border-radius: 8px;
  color: #ffffff;
  font-weight: 700;
  text-align: center;
  background-color: transparent;
}

.risk-support-premium {
  background-color: rgba(255, 255, 255, 0.12);
}

.risk-plan-title {
  color: #ffffff;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.6;
  margin-bottom: 1.4rem;
}

.risk-plan-list {
  color: #ffffff;
  padding-left: 1.2rem;
  margin-bottom: 1.5rem;
}

.risk-plan-list li {
  font-size: 0.92rem;
  line-height: 1.65;
  margin-bottom: 0.2rem;
}

.risk-plan-note {
  color: #ffffff;
  font-size: 0.88rem;
  line-height: 1.7;
  margin-top: auto;
  margin-bottom: 0;
}

/* ===================================================================
   Contact Page - お問い合わせ
   =================================================================== */

.contact-section {
  background-color: #0f0f0f;
  color: #ffffff;
}

.contact-info-card {
  position: relative;
  max-width: 980px;
  margin: 0 auto;
  padding: 2rem;
  color: #ffffff;
  background-color: #111111;
  border: 2px solid #777777;
  border-radius: 4px;

  /* 上線ではなく、左右と下側を中心に薄く光らせる */
  box-shadow:
    0 16px 28px -12px rgba(1, 185, 117, 0.349),
    14px 8px 26px -20px rgba(18, 166, 111, 0.28),
    -14px 8px 26px -20px rgba(18, 166, 111, 0.28);
}

.contact-card-title {
  color: #ffffff;
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.contact-step-list {
  padding-left: 1.4rem;
  margin-bottom: 0;
}

.contact-step-list li {
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 0.4rem;
}

.contact-card-divider {
  height: 1px;
  background-color: rgba(255, 255, 255, 0.22);
  margin: 1.75rem 0;
}

.contact-card-lead {
  color: #ffffff;
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.contact-info-group {
  border: 1px solid #555555;
  padding: 1.25rem;
  background-color: rgba(255, 255, 255, 0.03);
}

.contact-info-group h4 {
  color: var(--brand-primary);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.9rem;
}

.contact-info-group ul {
  list-style: none;
  padding-left: 0;
  margin-bottom: 0;
}

.contact-info-group li {
  position: relative;
  padding-left: 1rem;
  color: #ffffff;
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 0.3rem;
}

.contact-info-group li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 5px;
  height: 5px;
  background-color: var(--brand-primary);
  border-radius: 50%;
}

.contact-main-btn {
  min-width: 260px;
  padding: 0.75rem 1.5rem;
  text-align: center;
}

/* ===================================================================
   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
*/