/* ============================================
   Kanteishi Media - 法律・官公庁系メディアデザイン
   文章中心・読みやすさ重視
   ============================================ */

:root {
    --color-primary: #2D6A4F;
    --color-primary-light: #40916C;
    --color-primary-pale: #F0F7F4;
    --color-primary-ink: #1F4D39;
    --color-text: #121212;
    --color-text-secondary: #3E3E3E;
    --color-text-muted: #6E6E6E;
    --color-bg: #FAFAF8;
    --color-bg-white: #FFFFFF;
    --color-bg-warm: #F5F4F0;
    --color-border: #CFC8BC;
    --color-border-light: #E2DDD4;
    --color-rule: #1F4D39;
    --color-rule-soft: #D4E0D8;
    --color-shadow: rgba(23, 61, 44, 0.12);
    --font-serif: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
    --font-sans: "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
    --max-width: 1120px;
    --content-width: 720px;
    --sidebar-width: 340px;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 40px;
    --spacing-2xl: 64px;
    --spacing-3xl: 80px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: linear-gradient(180deg, #FFFFFF 0%, #FAFAF8 45%, #F3F1EC 100%);
    line-height: 1.9;
    font-size: 15.5px;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; }

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ============================================
   Header - 官公庁風シンプルヘッダー
   ============================================ */
.site-header {
    background: var(--color-bg-white);
    border-bottom: 1px solid var(--color-rule-soft);
    padding: 0;
    transition: box-shadow 0.2s ease;
}

body.is-scrolled .site-header {
    box-shadow: 0 16px 30px var(--color-shadow);
}

.header-top {
    background: var(--color-primary-pale);
    border-bottom: 1px solid var(--color-border);
}

.header-top__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 36px;
}

.header-tagline {
    font-family: var(--font-serif);
    font-size: 11px;
    letter-spacing: 0.16em;
    color: var(--color-primary-ink);
}

.header-utility {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 12px;
}

.header-utility__link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 600;
    letter-spacing: 0.04em;
}

.header-utility__link:hover {
    color: var(--color-primary);
}

.header-utility__dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--color-border);
}

.header-main {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    height: 72px;
}

.site-logo {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: 0.08em;
}

.site-brand {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.site-subtitle {
    font-size: 11px;
    letter-spacing: 0.12em;
    color: var(--color-text-muted);
}

.site-nav { margin-left: auto; }
.site-nav ul { list-style: none; display: flex; gap: 0; }
.site-nav a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 13px;
    padding: var(--spacing-sm) var(--spacing-md);
    border-left: 1px solid var(--color-border-light);
    display: block;
}
.site-nav li:last-child a { border-right: 1px solid var(--color-border-light); }
.site-nav a:hover { color: var(--color-primary); background: var(--color-primary-pale); }

.header-actions .cta-button {
    margin-left: 0;
}

.cta-button {
    display: inline-block;
    background: var(--color-primary);
    color: #FFFFFF;
    padding: 8px 20px;
    text-decoration: none;
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.04em;
    margin-left: var(--spacing-lg);
    border-radius: 6px;
    box-shadow: 0 6px 16px rgba(31, 77, 57, 0.18);
    transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}
.cta-button:hover {
    background: var(--color-primary-light);
    transform: translateY(-1px);
    box-shadow: 0 10px 18px rgba(31, 77, 57, 0.22);
}

.cta-button--large {
    padding: 12px 32px;
    font-size: 14px;
}

.cta-button--outline {
    background: transparent;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    box-shadow: none;
}
.cta-button--outline:hover {
    background: var(--color-primary-pale);
    color: var(--color-primary-ink);
}

/* ============================================
   Hero - 法律系ジャーナル風
   ============================================ */
.hero {
    background: var(--color-bg-white);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-3xl) 0;
    text-align: center;
}

.hero-content {
    max-width: 600px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 0.12em;
    border: 1px solid var(--color-primary);
    padding: 4px 16px;
    margin-bottom: var(--spacing-lg);
}

.hero h1 {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 700;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.04em;
}

.hero p {
    color: var(--color-text-secondary);
    font-size: 14px;
    line-height: 2;
    margin-bottom: var(--spacing-xl);
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-actions .cta-button {
    margin-left: 0;
}

.hero-note {
    margin-top: var(--spacing-md);
    font-size: 12px;
    color: var(--color-text-muted);
    letter-spacing: 0.08em;
}

.reveal {
    opacity: 0;
    transform: translateY(12px);
    animation: reveal 0.8s ease forwards;
}

.reveal-delay-1 { animation-delay: 0.1s; }
.reveal-delay-2 { animation-delay: 0.2s; }
.reveal-delay-3 { animation-delay: 0.3s; }
.reveal-delay-4 { animation-delay: 0.4s; }

@keyframes reveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .reveal {
        animation: none;
        opacity: 1;
        transform: none;
    }
}

/* ============================================
   Hero Panel - 学習ガイド
   ============================================ */
.hero-panel {
    background: linear-gradient(135deg, rgba(240, 247, 244, 0.9) 0%, rgba(250, 250, 248, 0.95) 50%, rgba(245, 244, 240, 1) 100%);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-2xl) 0;
}

.hero-panel__inner {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-panel__copy h2 {
    font-family: var(--font-serif);
    font-size: 22px;
    line-height: 1.7;
    margin: var(--spacing-sm) 0 var(--spacing-md);
}

.hero-panel__copy p {
    color: var(--color-text-secondary);
    font-size: 14px;
    line-height: 2;
}

.hero-panel__actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

.hero-panel__actions .cta-button {
    margin-left: 0;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 11px;
    letter-spacing: 0.16em;
    color: var(--color-primary-ink);
    text-transform: uppercase;
}

.eyebrow::before {
    content: "";
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    display: inline-block;
}

.hero-panel__cards {
    display: grid;
    gap: var(--spacing-lg);
}

.stat-card {
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    padding: var(--spacing-lg);
    box-shadow: 0 12px 24px rgba(31, 77, 57, 0.08);
}

.stat-card h3 {
    font-family: var(--font-serif);
    font-size: 15px;
    margin-bottom: var(--spacing-sm);
}

.stat-card p {
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.hero-panel__media {
    display: grid;
    gap: var(--spacing-lg);
}

.media-stack {
    position: relative;
    margin-bottom: 46px;
}

.media-frame {
    margin: 0;
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 10px;
    box-shadow: 0 16px 28px rgba(31, 77, 57, 0.12);
}

.media-frame::before {
    content: "";
    display: block;
    height: 8px;
    border-radius: 6px;
    margin-bottom: 8px;
    background: linear-gradient(90deg, rgba(232, 230, 224, 0.8), rgba(245, 244, 240, 0.8));
}

.media-frame img {
    display: block;
    width: 100%;
    border-radius: 8px;
    border: 1px solid var(--color-border-light);
}

.media-frame--main {
    position: relative;
    z-index: 1;
}

.media-frame--accent {
    position: absolute;
    width: 56%;
    right: -6px;
    bottom: -26px;
    z-index: 2;
}

.media-frame--compact {
    border-radius: 10px;
    padding: 8px;
    box-shadow: 0 12px 20px rgba(31, 77, 57, 0.12);
}

.media-frame--compact::before {
    height: 6px;
    margin-bottom: 6px;
}

.media-labels {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.media-labels span {
    font-size: 11px;
    letter-spacing: 0.08em;
    color: var(--color-primary-ink);
    border: 1px solid var(--color-border-light);
    padding: 4px 12px;
    background: var(--color-primary-pale);
}

/* ============================================
   Home Layout
   ============================================ */
.home-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) var(--sidebar-width);
    gap: var(--spacing-2xl);
    padding: var(--spacing-xl) 0 var(--spacing-2xl);
}

.home-main {
    min-width: 0;
}

/* ============================================
   Static Pages (FAQ / Privacy)
   ============================================ */
.page-hero {
    background: var(--color-bg-white);
    border-bottom: 1px solid var(--color-border-light);
    padding: var(--spacing-2xl) 0;
}

.page-hero__inner {
    max-width: 760px;
}

.page-hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 11px;
    letter-spacing: 0.16em;
    color: var(--color-primary-ink);
    text-transform: uppercase;
}

.page-hero__eyebrow::before {
    content: "";
    width: 24px;
    height: 2px;
    background: var(--color-primary);
}

.page-hero h1 {
    font-family: var(--font-serif);
    font-size: 28px;
    line-height: 1.6;
    margin: var(--spacing-sm) 0 var(--spacing-md);
}

.page-hero p {
    color: var(--color-text-secondary);
    font-size: 14px;
    line-height: 2;
}

.page-layout {
    padding: var(--spacing-2xl) 0;
}

.page-content {
    background: var(--color-bg-white);
    border: 1px solid var(--color-border-light);
    border-radius: 12px;
    padding: var(--spacing-2xl);
    box-shadow: 0 18px 30px rgba(31, 77, 57, 0.08);
}

.page-section + .page-section,
.policy-section + .policy-section {
    margin-top: var(--spacing-2xl);
}

.page-section h2,
.policy-section h2 {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-rule-soft);
}

.page-section p,
.policy-section p {
    color: var(--color-text-secondary);
    line-height: 2;
    margin-bottom: var(--spacing-md);
}

.policy-section ul {
    padding-left: 1.4em;
    margin-bottom: var(--spacing-md);
}

.policy-section li {
    margin-bottom: var(--spacing-sm);
    line-height: 1.9;
}

.faq-list {
    display: grid;
    gap: var(--spacing-md);
}

.faq-item {
    border: 1px solid var(--color-border-light);
    border-radius: 10px;
    background: var(--color-bg);
    padding: 0;
    overflow: hidden;
    transition: border 0.2s, box-shadow 0.2s, background 0.2s;
}

.faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: var(--spacing-md) var(--spacing-lg);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    color: var(--color-text);
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
    content: "+";
    font-size: 16px;
    color: var(--color-primary);
    transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
}

.faq-item p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--color-text-secondary);
    line-height: 2;
}

.faq-item[open] {
    background: var(--color-bg-white);
    border-color: var(--color-rule-soft);
    box-shadow: 0 12px 24px rgba(31, 77, 57, 0.08);
}

.page-cta {
    margin-top: var(--spacing-2xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, rgba(240, 247, 244, 0.9) 0%, rgba(250, 250, 248, 0.95) 50%, rgba(245, 244, 240, 1) 100%);
    border: 1px solid var(--color-rule-soft);
    border-radius: 12px;
}

.page-cta h3 {
    font-family: var(--font-serif);
    font-size: 20px;
    margin-bottom: var(--spacing-sm);
}

.page-cta p {
    color: var(--color-text-secondary);
    font-size: 14px;
    line-height: 1.9;
    margin: 0;
}

.policy-date {
    margin-top: var(--spacing-2xl);
    font-size: 13px;
    color: var(--color-text-muted);
    line-height: 1.8;
}

/* ============================================
   Articles List (トップページ) - 新聞・学術誌風
   ============================================ */
.section-header {
    padding-top: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border-light);
    padding-bottom: var(--spacing-sm);
    position: relative;
}

.section-header::after {
    content: "";
    display: block;
    width: 56px;
    height: 2px;
    background: var(--color-rule);
    margin-top: var(--spacing-sm);
}

.section-header h2 {
    font-family: var(--font-serif);
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--color-primary-ink);
}

.articles-grid {
    padding-bottom: var(--spacing-2xl);
}

.article-card {
    display: grid;
    grid-template-columns: 1fr;
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-lg) 0;
    transition: background 0.2s;
}

.article-card:first-child { padding-top: 0; }
.article-card:last-child { border-bottom: none; }
.article-card:hover { background: var(--color-primary-pale); }

.article-card__image { display: none; }

.article-card__body {}

.article-card__category {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 0.06em;
    margin-bottom: var(--spacing-xs);
}
.article-card__category a {
    color: var(--color-primary);
    text-decoration: none;
}

.article-card__title {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 700;
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}
.article-card__title a {
    color: var(--color-text);
    text-decoration: none;
}
.article-card__title a:hover {
    text-decoration: underline;
    text-underline-offset: 4px;
}

.article-card__excerpt {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.9;
    margin-bottom: var(--spacing-sm);
}

.article-card__meta {
    font-size: 12px;
    color: var(--color-text-muted);
}

/* ============================================
   Article Layout (記事詳細)
   ============================================ */
.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) var(--sidebar-width);
    gap: var(--spacing-2xl);
    padding: var(--spacing-xl) 0 var(--spacing-2xl);
    align-items: start;
}

.article-content {
    min-width: 0;
}

.article-header {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.article-category {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 0.06em;
    margin-bottom: var(--spacing-md);
}
.article-category a { color: var(--color-primary); text-decoration: none; }

.article-title {
    font-family: var(--font-serif);
    font-size: 26px;
    font-weight: 700;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.02em;
}

.article-meta {
    font-size: 13px;
    color: var(--color-text-muted);
}

.article-thumbnail {
    margin-bottom: var(--spacing-xl);
}
.article-thumbnail img { width: 100%; height: auto; }

/* ---- Article Body - 文章読みやすさ最重視 ---- */
.article-body {
    font-size: 16px;
    line-height: 2.1;
    color: var(--color-text);
}

.article-body h2 {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 700;
    margin: var(--spacing-2xl) 0 var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-rule-soft);
    letter-spacing: 0.04em;
}

.article-body h2:first-child { margin-top: 0; }

.article-body h3 {
    font-family: var(--font-serif);
    font-size: 17px;
    font-weight: 700;
    margin: var(--spacing-xl) 0 var(--spacing-md);
    padding-left: var(--spacing-md);
    border-left: 2px solid var(--color-rule);
    letter-spacing: 0.02em;
}

.article-body p {
    margin-bottom: var(--spacing-lg);
    text-align: justify;
}

.article-body ul, .article-body ol {
    margin: var(--spacing-md) 0 var(--spacing-lg);
    padding-left: 1.5em;
}
.article-body li {
    margin-bottom: var(--spacing-sm);
    line-height: 2;
}

.article-body blockquote {
    border-left: 2px solid var(--color-border);
    padding: var(--spacing-md) var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    color: var(--color-text-secondary);
    background: var(--color-bg-warm);
    font-size: 14px;
}

.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-lg) 0;
    font-size: 14px;
}
.article-body th, .article-body td {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    text-align: left;
    line-height: 1.7;
}
.article-body th {
    background: var(--color-bg-warm);
    font-weight: 600;
}

.article-body strong { font-weight: 700; }

.article-body a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: var(--color-border);
}
.article-body a:hover {
    text-decoration-color: var(--color-primary);
}

/* 注釈・補足ボックス */
.article-body .note {
    background: var(--color-primary-pale);
    border: 1px solid var(--color-border);
    padding: var(--spacing-md) var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    font-size: 14px;
    line-height: 1.9;
}

/* ---- ブートラボ CTA ---- */
.bootlab-cta {
    margin-top: var(--spacing-2xl);
    border: 1px solid var(--color-rule-soft);
    background: var(--color-bg-white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 18px 30px rgba(31, 77, 57, 0.08);
}

.bootlab-cta__header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-primary-pale);
    color: var(--color-primary-ink);
    border-bottom: 1px solid var(--color-border-light);
}

.bootlab-cta__name {
    font-family: var(--font-serif);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.06em;
}

.bootlab-cta__title {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 700;
    line-height: 1.6;
    padding: var(--spacing-lg) var(--spacing-lg) 0;
    letter-spacing: 0.02em;
}

.bootlab-cta__description {
    font-size: 14px;
    line-height: 2;
    color: var(--color-text-secondary);
    padding: var(--spacing-md) var(--spacing-lg) 0;
}

.bootlab-cta__media {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg) 0;
}

.bootlab-cta__media .media-frame {
    box-shadow: 0 12px 22px rgba(31, 77, 57, 0.12);
}

.bootlab-cta__features {
    list-style: none;
    padding: var(--spacing-md) var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm) var(--spacing-lg);
}

.bootlab-cta__features li {
    font-size: 13px;
    line-height: 1.7;
    color: var(--color-text);
    padding-left: 1.2em;
    position: relative;
}

.bootlab-cta__features li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
}

.bootlab-cta__actions {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg) var(--spacing-lg);
}

.bootlab-cta__actions .cta-button {
    margin-left: 0;
}

@media (max-width: 768px) {
    .bootlab-cta__features {
        grid-template-columns: 1fr;
    }
    .bootlab-cta__media {
        grid-template-columns: 1fr;
    }
    .bootlab-cta__actions {
        flex-direction: column;
    }
    .bootlab-cta__actions .cta-button {
        text-align: center;
    }
}

/* ============================================
   Sidebar - 簡素・実用的
   ============================================ */
.sidebar {
    position: relative;
}

.sidebar__inner {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    position: sticky;
    top: 96px;
    will-change: transform;
}

.sidebar--tall .sidebar__inner {
    position: relative;
    top: auto;
}

.sidebar-search .search-form {
    display: grid;
    gap: var(--spacing-sm);
}

.sidebar-search .search-field {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    background: var(--color-bg-white);
    font-size: 13px;
}

.sidebar-search .search-submit {
    border: 1px solid var(--color-primary);
    background: var(--color-primary);
    color: #FFFFFF;
    padding: 8px 12px;
    font-size: 12px;
    letter-spacing: 0.08em;
    cursor: pointer;
}

.sidebar-cta {
    border: 1px solid var(--color-rule-soft);
    padding: var(--spacing-lg);
    text-align: center;
    background: var(--color-bg-white);
    border-radius: 10px;
    box-shadow: 0 18px 28px rgba(31, 77, 57, 0.06);
}
.sidebar-cta h4 {
    font-family: var(--font-serif);
    font-size: 16px;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.04em;
}
.sidebar-cta p {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}
.sidebar-cta__media {
    margin: var(--spacing-md) 0;
}
.sidebar-cta__media .media-frame {
    box-shadow: 0 12px 22px rgba(31, 77, 57, 0.14);
}
.sidebar-cta .cta-button {
    display: block;
    text-align: center;
}

.sidebar-widget {}
.sidebar-widget h4 {
    font-family: var(--font-serif);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.06em;
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border-light);
    margin-bottom: var(--spacing-md);
    position: relative;
}

.sidebar-widget h4::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 36px;
    height: 2px;
    background: var(--color-rule);
}
.sidebar-widget ul { list-style: none; }
.sidebar-widget li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border-light);
    font-size: 13px;
}
.sidebar-widget li:last-child { border-bottom: none; }
.sidebar-widget a {
    color: var(--color-text-secondary);
    text-decoration: none;
}
.sidebar-widget a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.sidebar-roadmap {
    display: grid;
    gap: var(--spacing-sm);
}

.sidebar-roadmap li {
    border: 1px solid var(--color-border-light);
    border-radius: 10px;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg);
    box-shadow: 0 10px 20px rgba(31, 77, 57, 0.06);
    border-bottom: none;
}

.sidebar-roadmap__title {
    display: block;
    font-size: 13px;
    font-weight: 700;
    color: var(--color-text);
}

.sidebar-roadmap__desc {
    display: block;
    margin-top: 2px;
    font-size: 12px;
    color: var(--color-text-muted);
    line-height: 1.7;
}

.sidebar-list li {
    padding: var(--spacing-sm) 0;
}

.sidebar-text {
    font-size: 12px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

/* ============================================
   Footer - 控えめ
   ============================================ */
.site-footer {
    border-top: 1px solid var(--color-rule-soft);
    background: var(--color-bg-white);
    margin-top: var(--spacing-2xl);
}

.footer-cta {
    text-align: center;
    padding: var(--spacing-2xl) 0;
    border-bottom: 1px solid var(--color-border);
}
.footer-cta h3 {
    font-family: var(--font-serif);
    font-size: 18px;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.04em;
}
.footer-cta p {
    color: var(--color-text-secondary);
    font-size: 14px;
    margin-bottom: var(--spacing-lg);
}

.footer-cta__actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.footer-cta__actions .cta-button {
    margin-left: 0;
}

.footer-links {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr) minmax(0, 0.8fr);
    gap: var(--spacing-xl);
    padding: var(--spacing-xl) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.footer-brand h4 {
    font-family: var(--font-serif);
    font-size: 16px;
    margin-bottom: var(--spacing-sm);
}

.footer-brand p {
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.9;
}

.footer-nav-group h5 {
    font-size: 12px;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.footer-nav-group ul {
    list-style: none;
    display: grid;
    gap: var(--spacing-sm);
}

.footer-nav-group a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 13px;
}

.footer-nav-group a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    font-size: 12px;
    color: var(--color-text-muted);
}
.footer-nav ul { list-style: none; display: flex; gap: var(--spacing-md); }
.footer-nav a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 12px;
}
.footer-nav a:hover { color: var(--color-primary); }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
    .header-top__inner { justify-content: center; }
    .header-utility { display: none; }
    .header-main { flex-direction: column; align-items: flex-start; height: auto; padding: var(--spacing-md) 0; }
    .site-brand { gap: var(--spacing-xs); }
    .site-nav { display: none; }
    .cta-button { margin-left: 0; }
    .hero h1 { font-size: 22px; }
    .hero { padding: var(--spacing-xl) var(--spacing-md); }
    .hero-panel__inner { grid-template-columns: 1fr; }
    .home-layout { grid-template-columns: 1fr; }
    .article-layout { grid-template-columns: 1fr; gap: var(--spacing-xl); }
    .article-title { font-size: 22px; }
    .footer-links { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: var(--spacing-sm); text-align: center; }
    .page-content { padding: var(--spacing-xl); }
    .page-cta { flex-direction: column; align-items: flex-start; }

    .media-stack {
        margin-bottom: 0;
    }
    .media-frame--accent {
        position: static;
        width: 100%;
        margin-top: var(--spacing-md);
    }
}

/* ============================================
   Glossary Section (トップページ)
   ============================================ */
.glossary-section {
    background: linear-gradient(135deg, rgba(240, 247, 244, 0.9) 0%, rgba(250, 250, 248, 0.95) 50%, rgba(245, 244, 240, 1) 100%);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-2xl) 0;
}

.glossary-section .section-header {
    padding-top: 0;
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.glossary-section .section-header::after {
    margin: var(--spacing-sm) auto 0;
}

.section-subtitle {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-top: var(--spacing-sm);
    line-height: 1.8;
}

.glossary-section__more {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.glossary-section__more .cta-button {
    margin-left: 0;
}

/* ============================================
   Glossary Grid & Cards
   ============================================ */
.glossary-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.glossary-grid--compact {
    gap: var(--spacing-md);
}

.glossary-card {
    display: flex;
    flex-direction: column;
    background: var(--color-bg-white);
    border: 1px solid var(--color-border-light);
    border-radius: 10px;
    padding: var(--spacing-lg);
    text-decoration: none;
    color: var(--color-text);
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
    box-shadow: 0 8px 20px rgba(31, 77, 57, 0.06);
}

.glossary-card:hover {
    border-color: var(--color-rule-soft);
    box-shadow: 0 14px 28px rgba(31, 77, 57, 0.12);
    transform: translateY(-2px);
}

.glossary-card__title {
    font-family: var(--font-serif);
    font-size: 16px;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.02em;
}

.glossary-card__excerpt {
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    flex: 1;
}

.glossary-card__arrow {
    display: inline-block;
    margin-top: var(--spacing-sm);
    font-size: 14px;
    color: var(--color-primary);
    transition: transform 0.2s;
}

.glossary-card:hover .glossary-card__arrow {
    transform: translateX(4px);
}

/* Compact variant (top page) */
.glossary-card--compact {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
}

.glossary-card--compact .glossary-card__title {
    margin-bottom: 0;
    font-size: 15px;
}

.glossary-card--compact .glossary-card__arrow {
    margin-top: 0;
    flex-shrink: 0;
}

/* ============================================
   Glossary Page (category-yougo)
   ============================================ */
.glossary-page {
    padding: var(--spacing-2xl) 0;
}

.glossary-header {
    margin-bottom: var(--spacing-xl);
}

.glossary-header h1 {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 700;
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.04em;
}

.glossary-header p {
    color: var(--color-text-secondary);
    font-size: 14px;
    line-height: 2;
}

/* ============================================
   Sidebar Glossary Widget
   ============================================ */
.sidebar-glossary__desc {
    font-size: 12px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.sidebar-glossary__list {
    list-style: none;
}

.sidebar-glossary__list li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border-light);
    font-size: 13px;
}

.sidebar-glossary__list li:last-child {
    border-bottom: none;
}

.sidebar-glossary__list a {
    color: var(--color-text-secondary);
    text-decoration: none;
}

.sidebar-glossary__list a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.sidebar-glossary__more a {
    font-weight: 600;
    color: var(--color-primary);
}

/* ============================================
   Glossary Responsive
   ============================================ */
@media (max-width: 1024px) {
    .glossary-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .glossary-grid {
        grid-template-columns: 1fr;
    }

    .glossary-header h1 {
        font-size: 22px;
    }

    .glossary-section {
        padding: var(--spacing-xl) 0;
    }
}

/* ============================================
   パンくずリスト
   ============================================ */
.breadcrumb {
    padding: var(--spacing-md) 0 0;
}

.breadcrumb__list {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    gap: var(--spacing-xs);
    font-size: 13px;
    color: var(--color-text-muted);
}

.breadcrumb__item a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

.breadcrumb__item a:hover {
    color: var(--color-primary);
}

.breadcrumb__item + .breadcrumb__item::before {
    content: "›";
    margin-right: var(--spacing-xs);
    color: var(--color-border);
}

.breadcrumb__item--current {
    color: var(--color-text-secondary);
    font-weight: 500;
}

/* ============================================
   関連記事
   ============================================ */
.related-articles {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border-light);
}

.related-articles__title {
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
}

.related-articles__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.related-articles__card {
    display: block;
    padding: var(--spacing-lg);
    background: var(--color-bg-white);
    border: 1px solid var(--color-border-light);
    border-radius: 10px;
    text-decoration: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.related-articles__card:hover {
    border-color: var(--color-primary-light);
    box-shadow: 0 2px 8px var(--color-shadow);
}

.related-articles__card-category {
    display: inline-block;
    font-size: 11px;
    color: var(--color-primary);
    background: var(--color-primary-pale);
    padding: 2px 8px;
    border-radius: 4px;
    margin-bottom: var(--spacing-sm);
}

.related-articles__card-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .related-articles__grid {
        grid-template-columns: 1fr;
    }
}