/* ブログページ用のスタイル（blog.html + blog02.html） */

/* ========================================
   基本スタイル
======================================== */
html {
    scroll-behavior: smooth;
}

/* ========================================
   グラデーション背景
======================================== */
.gradient-bg {
    background: linear-gradient(135deg, #EEF4FB 0%, #E2EBF2 100%);
}

.hero-gradient {
    background: linear-gradient(180deg, #131926 0%, #2E3D4C 100%);
}

/* ========================================
   カードホバー効果
======================================== */
.card-hover {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 30px rgba(19, 25, 38, 0.12);
}

/* ========================================
   目次（TOC）スタイル
======================================== */
.toc-sidebar {
    position: sticky;
    top: 100px;
}

.toc-link {
    display: block;
    padding: 0.5rem 0;
    color: #4D7399;
    font-size: 0.875rem;
    border-left: 2px solid transparent;
    padding-left: 1rem;
    transition: all 0.2s ease;
}

.toc-link:hover,
.toc-link.active {
    color: #131926;
    border-left-color: #3D85CC;
    background: #EEF4FB;
}

/* ========================================
   ブログコンテンツスタイル
======================================== */
.blog-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #131926;
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 3px solid #EEF4FB;
    position: relative;
}

.blog-content h2::before {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 80px;
    height: 3px;
    background: #3D85CC;
}

.blog-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #131926;
    margin-top: 2rem;
    margin-bottom: 1rem;
    padding-left: 1rem;
    border-left: 4px solid #3D85CC;
}

.blog-content p {
    line-height: 1.9;
    margin-bottom: 1.5rem;
    color: #131926;
}

.blog-content strong {
    color: #131926;
    font-weight: 600;
}

/* ケーススタディボックス内のテキスト色 */
.blog-content .case-study-box p {
    color: #131926;
    margin-bottom: 0.5rem;
}

/* ========================================
   ハイライトボックス
======================================== */
.highlight-box {
    background: #EEF4FB;
    border-left: 4px solid #3D85CC;
    padding: 1.5rem;
    border-radius: 0 0.5rem 0.5rem 0;
    margin: 1.5rem 0;
}

/* ========================================
   ポイントボックス
======================================== */
.point-box {
    background: #fff;
    border: 2px solid #EEF4FB;
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin: 1.5rem 0;
}

.point-box-title {
    display: inline-flex;
    align-items: center;
    background: #2E3D4C;
    color: #fff;
    padding: 0.25rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

/* ========================================
   FAQスタイル（faq.html用）
======================================== */

/* FAQ card box design (faq.html only) */
.faq-item {
    border: 1px solid #EEF4FB;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(19, 25, 38, 0.05);
    overflow: hidden;
}

.faq-item:hover {
    border-color: #3D85CC;
    box-shadow: 0 4px 12px rgba(61, 133, 204, 0.1);
    transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

/* Section title */
.section-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
    font-weight: 700;
    color: #131926;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid #EEF4FB;
}

.section-title .icon {
    width: 40px;
    height: 40px;
    background: #3D85CC;
    color: #fff;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* Data list */
.data-list {
    background: #EEF4FB;
    border-radius: 8px;
    padding: 16px 20px;
    margin-top: 12px;
}

.data-list li {
    padding: 8px 0;
    border-bottom: 1px solid rgba(77, 115, 153, 0.2);
    color: #131926;
}

.data-list li:last-child {
    border-bottom: none;
}

.data-list li strong {
    color: #3D85CC;
}