/**
 * KNF Editorial Theme Styles
 * 
 * Table of Contents:
 * 1. CSS Variables
 * 2. Reset & Base Styles
 * 3. Typography
 * 4. Layout
 * 5. Header
 * 6. Hero Section
 * 7. Intro Section
 * 8. Subcategories
 * 9. Article Cards
 * 10. Single Article
 * 11. Footer
 * 12. Utilities
 * 13. Responsive
 * 14. Home Hero with Slideshow
 * 15. Home Page Sections
 * 16. Responsive
 * 17. Article page
 */

/* ===================================
   1. CSS Variables
   =================================== */
:root {
    /* Colors */
    --color-white: #ffffff;
    --color-black: #000000;
    --color-text: #1a1a1a;
    --color-text-light: #666666;
    --color-text-lighter: #999999;
    --color-border: rgba(0, 0, 0, 0.1);
    --color-accent: #a67c52;
    --color-accent-dark: #8b6640;
    --color-overlay: rgba(0, 0, 0, 0.4);
    --color-bg-gray: #f7f7f7;
    --color-bg-beige: #e7e3df;
    
    /* Typography */
    --font-serif: Georgia, 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-2xl: 8rem;
    
    /* Container */
    --container-max: 1400px;
    --container-narrow: 960px;
    
    /* Transitions */
    --transition-base: 0.3s ease;
    --transition-slow: 0.7s ease;
}

/* ===================================
   2. Reset & Base Styles
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-weight: 300;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-white);
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-base);
}

button {
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

/* ===================================
   3. Typography
   =================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    line-height: 1.3;
    font-weight: 400;
    margin-bottom: var(--spacing-sm);
    font-feature-settings: 'palt';
    letter-spacing: 2px;
}

h1 { font-size: clamp(2.5rem, 6vw, 5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: var(--spacing-sm);
}

/* ===================================
   4. Layout
   =================================== */
.site {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.site-main {
    flex: 1;
}

.content-wrapper,
.articles-container,
.intro-container,
.subcategory-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.intro-container {
    max-width: var(--container-narrow);
}

ol, ul {
    box-sizing: border-box;
    padding-left: 24px;
}

/* ===================================
   5. Header
   =================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition-base);
}

.header-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-title {
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.site-title a {
    color: var(--color-text);
}

.main-navigation ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.main-navigation a {
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text);
    padding: var(--spacing-xs) 0;
    border-bottom: 2px solid transparent;
    transition: var(--transition-base);
}

.main-navigation a:hover {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 8px;
}

.menu-toggle-icon {
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: var(--transition-base);
}

/* ===================================
   6. Hero Section
   =================================== */
.hero-section {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 1;
}

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

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.4) 0%,
        rgba(0, 0, 0, 0.3) 50%,
        rgba(0, 0, 0, 0.6) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--color-white);
    padding: 0 var(--spacing-md);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 300;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 300;
    letter-spacing: 0.05em;
    max-width: 600px;
    margin: 0 auto;
    opacity: 0.9;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    animation: bounce 2s infinite;
}

.scroll-line {
    width: 1px;
    height: 4rem;
    background-color: rgba(255, 255, 255, 0.6);
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* ===================================
   7. Intro Section
   =================================== */
.intro-section {
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
    text-align: center;
}

.intro-section p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text-light);
}

/* ===================================
   8. Subcategories
   =================================== */
.subcategories-section {
    padding: var(--spacing-xl) 0;
}

.subcategory-group {
    margin-bottom: var(--spacing-2xl);
}

.subcategory-group:last-child {
    margin-bottom: 0;
}

.subcategory-group-title {
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-light);
}

.subcategory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.subcategory-card {
    overflow: hidden;
    transition: var(--transition-base);
}

.subcategory-link {
    display: block;
}

.subcategory-card:hover {
    transform: translateY(-8px);
}

.subcategory-image-wrapper {
    position: relative;
    aspect-ratio: 4 / 5;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
    background-color: #f5f5f5;
}

.subcategory-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.subcategory-card:hover .subcategory-image {
    transform: scale(1.05);
}

.subcategory-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0);
    transition: var(--transition-base);
}

.subcategory-card:hover .subcategory-overlay {
    background-color: rgba(0, 0, 0, 0.05);
}

.subcategory-content {
    position: relative;
}

.subcategory-name {
    font-family: var(--font-serif);
    font-size: clamp(1.3rem, 2vw, 1.6rem);
    font-weight: 400;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.subcategory-description {
    font-size: 0.95rem;
    font-weight: 300;
    color: var(--color-text-light);
    line-height: 1.6;
}

.subcategory-arrow {
    position: absolute;
    right: 0;
    top: 0;
    color: var(--color-accent-dark);
    font-size: 1.2rem;
    opacity: 0;
    transition: var(--transition-base);
}

.subcategory-card:hover .subcategory-arrow {
    opacity: 1;
}

/* ===================================
   9. Article Cards
   =================================== */
.featured-articles {
    padding: var(--spacing-2xl) 0;
    background-color: #fafafa;
}

.section-title {
    font-size: 2rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.articles-grid,
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.article-card {
    background-color: var(--color-white);
    overflow: hidden;
    transition: var(--transition-base);
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.article-card-link {
    display: block;
}

.article-card-image-wrapper {
    position: relative;
    aspect-ratio: 3 / 2;
    overflow: hidden;
    background-color: #f5f5f5;
}

.article-card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.article-card:hover .article-card-image {
    transform: scale(1.05);
}

.article-card-content {
    padding: var(--spacing-md);
}

.article-card-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-lighter);
}

.article-card-category {
    color: var(--color-accent);
}

.article-card-title {
    font-size: 1.3rem;
    font-weight: 400;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.article-card-excerpt {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card-read-more {
    font-size: 0.9rem;
    color: var(--color-accent-dark);
    font-weight: 500;
    letter-spacing: 0.05em;
}

/* ===================================
   10. Single Article
   =================================== */
.single-article {
}

.article-hero {
    width: 100%;
    height: 70vh;
    min-height: 400px;
    overflow: hidden;
}

.article-hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-content-wrapper {
    max-width: var(--container-narrow);
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
}

.article-header {
    margin-bottom: var(--spacing-lg);
    /*text-align: center;*/
}

.article-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-lighter);
}

.article-category {
    color: var(--color-accent);
}

.article-title {
    font-size: clamp(2rem, 4vw, 3.2rem);
    margin-bottom: 0;
}

.article-content {
    font-size: 1.1rem;
    line-height: 1.8;
}

.article-content h2 {
    padding-top: 40px;
    padding-bottom: 4px;
    font-size: clamp(1.8rem, 4vw, 2.2rem);
    border-bottom: 1px solid #888;
}
.article-content h3 {
    padding-top: 24px;
    font-size: clamp(1.4rem, 4vw, 1.6rem);

}

.article-content p {
    margin-bottom: var(--spacing-md);
}

.article-content img {
    margin: var(--spacing-lg) 0;
}

.article-footer {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.tag {
    padding: 0.5rem 1rem;
    background-color: #f5f5f5;
    border-radius: 20px;
    font-size: 0.85rem;
    transition: var(--transition-base);
}

.tag:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.post-navigation {
    max-width: var(--container-narrow);
    margin: 0 auto var(--spacing-xl) ;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.post-navigation a {
    flex: 1;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    transition: var(--transition-base);
    display: block;
}

.post-navigation a:hover {
    border-color: var(--color-accent);
}

.nav-subtitle {
    color: var(--color-accent);
    margin-right: 8px;
}

/* レスポンシブ */
@media (max-width: 600px) {
    .post-navigation {
        flex-direction: column;
    }
}

/* ===================================
   11. CTA Section
   =================================== */
.cta-section {
    padding: var(--spacing-2xl) 0;
    text-align: center;
    background-color: #f9f9f9;
}

.cta-section h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
}

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

.cta-link {
    padding: 1rem 2rem;
    border: 2px solid var(--color-text);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: var(--transition-base);
}

.cta-link:hover {
    background-color: var(--color-text);
    color: var(--color-white);
}

/* ===================================
   12. Footer
   =================================== */
.site-footer {
    padding: var(--spacing-xl) 0 var(--spacing-md);
    border-top: 1px solid var(--color-border);
    background-color: #fafafa;
}

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

.footer-navigation ul {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.footer-navigation a {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.footer-navigation a:hover {
    color: var(--color-accent);
}

.site-info {
    text-align: center;
    color: var(--color-text-lighter);
    font-size: 0.85rem;
}

/* ===================================
   13. Utilities
   =================================== */
.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
}

.pagination a,
.pagination span {
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-border);
    transition: var(--transition-base);
}

.pagination a:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.pagination .current {
    background-color: var(--color-text);
    color: var(--color-white);
    border-color: var(--color-text);
}

/* ===================================
   14. Responsive
   =================================== */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 2rem;
        --spacing-xl: 4rem;
        --spacing-2xl: 5rem;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .main-navigation ul {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        display: none;
    }
    
    .main-navigation.active ul {
        display: flex;
    }
    
    .subcategory-grid {
        grid-template-columns: 1fr;
    }
    
    .articles-grid,
    .posts-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-links {
        flex-direction: column;
        align-items: center;
    }
    
    .post-navigation {
        flex-direction: column;
    }
}
/* ===================================
   14. Home Hero with Slideshow
   =================================== */
.home-hero {
    position: relative;
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.home-hero-slideshow {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
    z-index: 1;
}

.home-hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.home-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
            to bottom,
            rgba(0, 0, 0, 0.3) 0%,
            rgba(0, 0, 0, 0.5) 100%
    );
    z-index: 2;
}

.home-hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: var(--color-white);
    padding: 0 var(--spacing-md);
    max-width: 800px;
    margin-top: 100px;
}

.home-hero-subtitle {
    font-size: 0.9rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
}

.home-hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 6vw, 4rem);
    font-weight: 300;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

.home-hero-description {
    font-size: clamp(1rem, 2vw, 1.2rem);
    font-weight: 300;
    line-height: 1.8;
    opacity: 0.95;
    margin-bottom: var(--spacing-lg);
}

.home-hero-scroll {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.scroll-indicator {
    width: 1px;
    height: 3rem;
    background-color: rgba(255, 255, 255, 0.6);
    animation: bounce 2s infinite;
}

/* Slideshow Controls */
.slideshow-controls {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    z-index: 4;
    display: flex;
    justify-content: space-between;
    padding: 0 2rem;
    transform: translateY(-50%);
    pointer-events: none;
}

.slide-prev,
.slide-next {
    width: 50px;
    height: 50px;
    background-color: transparent;
    color: rgba(255, 255, 255, 0.4);
    font-size: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    pointer-events: all;
}

.slideshow-dots {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 4;
    display: flex;
    gap: 0.75rem;
}

.slide-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
}

.slide-dot.active,
.slide-dot:hover {
    background-color: rgba(255, 255, 255, 0.9);
    transform: scale(1.2);
}

/* ===================================
   15. Home Page Sections
   =================================== */
.home-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.home-section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 300;
    letter-spacing: 0.05em;
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

/* Featured Section */
.home-featured {
    padding: var(--spacing-2xl) 0;
    background-color: #fafafa;
}

.home-featured-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.home-featured-card {
    background-color: var(--color-white);
    overflow: hidden;
    transition: var(--transition-base);
}

.home-featured-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.home-featured-link {
    display: block;
}

.home-featured-image-wrapper {
    position: relative;
    aspect-ratio: 3 / 2;
    overflow: hidden;
    background-color: #f5f5f5;
}

.home-featured-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.home-featured-card:hover .home-featured-image {
    transform: scale(1.05);
}

.home-featured-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0);
    transition: var(--transition-base);
}

.home-featured-card:hover .home-featured-overlay {
    background-color: rgba(0, 0, 0, 0.05);
}

.home-featured-content {
    padding: var(--spacing-md);
}

.home-featured-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-lighter);
}

.home-featured-category {
    color: var(--color-accent);
}

.home-featured-date {
    color: var(--color-text-lighter);
}

.home-featured-title {
    font-size: 1.4rem;
    font-weight: 400;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.home-featured-excerpt {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.home-no-posts {
    text-align: center;
    color: var(--color-text-light);
    padding: var(--spacing-xl) 0;
}

/* Categories Showcase */
.home-categories {
    padding: var(--spacing-2xl) 0;
}

.home-categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.home-category-card {
    overflow: hidden;
    transition: var(--transition-base);
}

.home-category-card:hover {
    transform: translateY(-4px);
}

.home-category-link {
    display: block;
}

.home-category-image-wrapper {
    position: relative;
    aspect-ratio: 4 / 5;
    overflow: hidden;
}

.home-category-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.home-category-card:hover .home-category-image {
    transform: scale(1.05);
}

.home-category-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
            to bottom,
            rgba(0, 0, 0, 0.2) 0%,
            rgba(0, 0, 0, 0.7) 100%
    );
    transition: var(--transition-base);
}

.home-category-card:hover .home-category-overlay {
    background: linear-gradient(
            to bottom,
            rgba(0, 0, 0, 0.3) 0%,
            rgba(0, 0, 0, 0.8) 100%
    );
}

.home-category-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-md);
    color: var(--color-white);
    z-index: 2;
}

.home-category-name {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: var(--spacing-xs);
}

.home-category-description {
    font-size: 0.9rem;
    font-weight: 300;
    opacity: 0.9;
    margin-bottom: var(--spacing-xs);
}

.home-category-count {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.8;
}

/* Category Sections */
.home-category-section {
    padding: var(--spacing-xl) 0;
}

.home-category-section:nth-child(even) {
    background-color: #fafafa;
}

.home-category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.home-category-section-title {
    font-size: 2rem;
    font-weight: 300;
    letter-spacing: 0.05em;
}

.home-view-all {
    font-size: 0.9rem;
    color: var(--color-accent-dark);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: var(--transition-base);
}

.home-view-all:hover {
    color: var(--color-accent);
    transform: translateX(4px);
}

.home-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

/* Home CTA Section */
.home-cta {
    padding: var(--spacing-2xl) 0;
    background-color: #f9f9f9;
    text-align: center;
}

.home-cta-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.home-cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 300;
    margin-bottom: var(--spacing-md);
}

.home-cta-description {
    font-size: 1.1rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.home-cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.home-cta-button {
    padding: 1rem 2rem;
    border: 1px solid var(--color-text);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: var(--transition-base);
}

.home-cta-button:hover {
    background-color: var(--color-text);
    color: var(--color-white);
}

/* ===================================
   16. Responsive
   =================================== */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 2rem;
        --spacing-xl: 4rem;
        --spacing-2xl: 5rem;
    }

    .menu-toggle {
        display: flex;
    }

    .main-navigation ul {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        display: none;
    }

    .main-navigation.active ul {
        display: flex;
    }

    .subcategory-grid,
    .home-categories-grid {
        grid-template-columns: 1fr;
    }

    .articles-grid,
    .posts-grid,
    .home-posts-grid,
    .home-featured-grid {
        grid-template-columns: 1fr;
    }

    .cta-links,
    .home-cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .post-navigation,
    .home-category-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .slideshow-controls {
        padding: 0 1rem;
    }

    .slide-prev,
    .slide-next {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }

    .home-hero-content {
        padding: 0 1rem;
    }
}
/* ===================================
   17. Article Page - Tables
   =================================== */
.article-content .wp-block-table {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-lg);
    width: 100%;
    overflow-x: auto;
}

.article-content .wp-block-table table {
    width: 100%;
    border-collapse: collapse;
    border-spacing: 0;
}

.article-content .wp-block-table th,
.article-content .wp-block-table td {
    padding: 1rem 1.25rem !important;
    text-align: left;
    border: 1px solid rgba(0, 0, 0, 0.15) !important;
    line-height: 1.6;
}

.article-content .wp-block-table th {
    background-color: #faf8f6 !important;
    font-weight: 500;
    font-size: 0.85rem;
    color: var(--color-text) !important;
    letter-spacing: 0.02em;
}

.article-content .wp-block-table td {
    color: var(--color-text) !important;
}

.article-content .wp-block-table tbody tr {
    transition: background-color var(--transition-base);
}

.article-content .wp-block-table tbody tr:hover {
    background-color: rgba(0, 0, 0, 0.02);
}

/* テーブル幅の調整 */
.wp-block-table.sm {
    max-width: 640px;
}

.wp-block-table.sm th:first-child {
    width: 32%;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .wp-block-table {
        font-size: 0.85rem;
    }

    .wp-block-table th,
    .wp-block-table td {
        padding: 0.75rem 1rem;
    }
}


/* ===================================
   Post Navigation (Enhanced with Thumbnails)
   =================================== */
.post-navigation-enhanced {
    max-width: var(--container-narrow);
    margin: var(--spacing-xl) auto var(--spacing-2xl);
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-lg);
}

.post-navigation-enhanced .nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    background-color: var(--color-white);
    transition: all var(--transition-base);
    text-decoration: none;
    overflow: hidden;
}

.post-navigation-enhanced .nav-link:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    border-color: var(--color-accent);
}

.post-navigation-enhanced .nav-thumbnail {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    overflow: hidden;
    border-radius: 2px;
    background-color: var(--color-bg-gray);
}

.post-navigation-enhanced .nav-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.post-navigation-enhanced .nav-link:hover .nav-thumbnail img {
    transform: scale(1.1);
}

.post-navigation-enhanced .nav-content {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
    min-width: 0;
}

.post-navigation-enhanced .nav-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    font-weight: 500;
}

.post-navigation-enhanced .nav-title {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.4;
    color: var(--color-text);
    transition: color var(--transition-base);

    /* 2行で省略 */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-navigation-enhanced .nav-link:hover .nav-title {
    color: var(--color-accent-dark);
}

/* 前の記事は左寄せ */
.post-navigation-enhanced .nav-prev {
    justify-content: flex-start;
}

/* 次の記事は右寄せで要素の順序を反転 */
.post-navigation-enhanced .nav-next {
    justify-content: flex-end;
}

.post-navigation-enhanced .nav-next .nav-content {
    text-align: right;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .post-navigation-enhanced {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .post-navigation-enhanced .nav-next {
        justify-content: flex-start;
    }

    .post-navigation-enhanced .nav-next .nav-content {
        text-align: left;
    }

    .post-navigation-enhanced .nav-thumbnail {
        width: 60px;
        height: 60px;
    }
}

@media (max-width: 480px) {
    .post-navigation-enhanced .nav-link {
        padding: var(--spacing-sm);
        gap: var(--spacing-sm);
    }

    .post-navigation-enhanced .nav-thumbnail {
        width: 50px;
        height: 50px;
    }

    .post-navigation-enhanced .nav-label {
        font-size: 0.7rem;
    }

    .post-navigation-enhanced .nav-title {
        font-size: 0.9rem;
    }
}