@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@400;600;700&family=Noto+Sans+JP:wght@300;400;500;700&display=swap');

:root {
    --color-bg: #faf8f5;
    --color-bg-alt: #f3ede6;
    --color-surface: #ffffff;
    --color-text: #2d2926;
    --color-text-light: #7a7067;
    --color-text-muted: #a89f96;
    --color-accent: #c4907c;
    --color-accent-dark: #a5725e;
    --color-accent-light: #e8d5cc;
    --color-border: #e5ddd5;
    --color-gold: #b8956a;
    --font-serif: 'Noto Serif JP', serif;
    --font-sans: 'Noto Sans JP', sans-serif;
    --max-width: 820px;
    --radius: 4px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-sans);
    font-weight: 400;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.9;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--color-accent-dark); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--color-gold); }

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

/* ========== Header ========== */
.site-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 0;
}
.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 28px 20px;
    text-align: center;
}
.site-logo {
    font-family: var(--font-serif);
    font-size: 26px;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: 2px;
    text-decoration: none;
    display: inline-block;
}
.site-logo span {
    display: block;
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 300;
    color: var(--color-text-muted);
    letter-spacing: 3px;
    margin-top: 4px;
    text-transform: uppercase;
}
.site-nav {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    gap: 20px;
    border-top: 1px solid var(--color-border);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
    scrollbar-width: none;
}
.site-nav::-webkit-scrollbar { display: none; }
.site-nav a {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-light);
    letter-spacing: 1px;
    padding: 14px 0;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}
.site-nav a:hover,
.site-nav a.active {
    color: var(--color-accent-dark);
    border-bottom-color: var(--color-accent);
}

/* ========== Main ========== */
.main {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 40px 20px 80px;
}

/* ========== Hero (Top Page) ========== */
.hero {
    background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-bg-alt) 100%);
    border-radius: 12px;
    padding: 48px 32px;
    text-align: center;
    margin-bottom: 48px;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -20%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(196,144,124,0.15) 0%, transparent 70%);
    border-radius: 50%;
}
.hero h1 {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.5;
    margin-bottom: 16px;
    position: relative;
}
.hero p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.8;
    position: relative;
}

/* ========== Article Cards ========== */
.section-title {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 28px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-accent-light);
}
.article-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 48px;
}
@media (min-width: 560px) {
    .article-grid { grid-template-columns: 1fr 1fr; }
}
.article-card {
    background: var(--color-surface);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: transform 0.25s, box-shadow 0.25s;
}
.article-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(45,41,38,0.08);
}
.article-card-image {
    aspect-ratio: 16 / 9;
    background: var(--color-bg-alt);
    overflow: hidden;
}
.article-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}
.article-card:hover .article-card-image img {
    transform: scale(1.05);
}
.article-card-body {
    padding: 20px;
}
.article-card-category {
    font-size: 11px;
    font-weight: 500;
    color: var(--color-accent-dark);
    letter-spacing: 1px;
    margin-bottom: 8px;
    text-transform: uppercase;
}
.article-card-title {
    font-family: var(--font-serif);
    font-size: 16px;
    font-weight: 600;
    line-height: 1.6;
    color: var(--color-text);
    margin-bottom: 10px;
}
.article-card-title a { color: inherit; }
.article-card-title a:hover { color: var(--color-accent-dark); }
.article-card-date {
    font-size: 12px;
    color: var(--color-text-muted);
}
.article-card-desc {
    font-size: 13px;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-top: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ========== Article Detail ========== */
.article-header {
    margin-bottom: 36px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--color-border);
}
.article-header .category-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 500;
    color: var(--color-accent-dark);
    letter-spacing: 1px;
    border: 1px solid var(--color-accent);
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 16px;
}
.article-header h1 {
    font-family: var(--font-serif);
    font-size: 26px;
    font-weight: 700;
    line-height: 1.6;
    color: var(--color-text);
    margin-bottom: 12px;
}
.article-header .date {
    font-size: 13px;
    color: var(--color-text-muted);
}
.article-eyecatch {
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 36px;
}
.article-eyecatch img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}
.article-content {
    font-size: 15px;
    line-height: 2;
    color: var(--color-text);
}
.article-content h2 {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 600;
    margin-top: 40px;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--color-accent-light);
    color: var(--color-text);
}
.article-content h3 {
    font-size: 16px;
    font-weight: 700;
    margin-top: 28px;
    margin-bottom: 12px;
    color: var(--color-accent-dark);
}
.article-content p {
    margin-bottom: 20px;
}
.article-content ul, .article-content ol {
    margin: 16px 0 20px 24px;
}
.article-content li {
    margin-bottom: 8px;
}

/* ========== Sidebar / Category List ========== */
.category-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 32px;
}
.category-tag {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-light);
    border: 1px solid var(--color-border);
    padding: 6px 16px;
    border-radius: 20px;
    transition: all 0.2s;
}
.category-tag:hover,
.category-tag.active {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}

/* ========== Back Link ========== */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--color-text-light);
    margin-top: 40px;
    padding: 10px 20px;
    border: 1px solid var(--color-border);
    border-radius: 24px;
    transition: all 0.2s;
}
.back-link:hover {
    background: var(--color-accent-light);
    border-color: var(--color-accent);
    color: var(--color-accent-dark);
}

/* ========== Footer ========== */
.site-footer {
    background: var(--color-text);
    color: rgba(255,255,255,0.6);
    padding: 40px 20px;
    text-align: center;
    font-size: 12px;
    line-height: 1.8;
}
.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
}
.footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 20px;
}
.footer-links a {
    color: rgba(255,255,255,0.6);
    font-size: 12px;
}
.footer-links a:hover { color: #fff; }
.footer-copy { color: rgba(255,255,255,0.35); }

/* ========== Static Pages ========== */
.static-content {
    font-size: 14px;
    line-height: 2;
    color: var(--color-text);
}
.static-content h2 {
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 600;
    margin-top: 36px;
    margin-bottom: 12px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--color-border);
}
.static-content p {
    margin-bottom: 16px;
}

/* ========== Responsive ========== */
@media (max-width: 600px) {
    .hero { padding: 32px 20px; }
    .hero h1 { font-size: 22px; }
    .article-header h1 { font-size: 21px; }
    .site-nav { gap: 16px; }
    .site-nav a { font-size: 11px; }
}