:root {
  --bg: #0e0c0a;
  --bg2: #171410;
  --bg3: #1f1b17;
  --border: #2e2820;
  --gold: #c8a96e;
  --gold-dim: #7a6540;
  --text: #e8e0d4;
  --text-dim: #8a7f72;
  --text-faint: #4a4238;
  --white: #f5f0e8;
  --red: #8b3a2a;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans JP', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.8;
  font-weight: 300;
}

/* ── HEADER ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-logo {
  text-decoration: none;
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-jp {
  font-family: 'Shippori Mincho', serif;
  font-size: 1.3rem;
  color: var(--gold);
  letter-spacing: 0.15em;
}

.logo-en {
  font-size: 0.6rem;
  color: var(--text-faint);
  letter-spacing: 0.3em;
  margin-top: 2px;
}

.site-nav a {
  color: var(--text-dim);
  text-decoration: none;
  margin-left: 28px;
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  transition: color 0.2s;
}

.site-nav a:hover { color: var(--gold); }

/* ── HERO ── */
.hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 50%;
  height: 100%;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 40px,
    rgba(200,169,110,0.03) 40px,
    rgba(200,169,110,0.03) 41px
  );
}

.hero-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 80px 24px;
  position: relative;
  z-index: 1;
}

.hero-label {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--gold-dim);
  margin-bottom: 20px;
  text-transform: uppercase;
}

.hero-title {
  font-family: 'Shippori Mincho', serif;
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 1.3;
  color: var(--white);
  margin-bottom: 24px;
}

.hero-title em {
  color: var(--gold);
  font-style: normal;
  display: block;
}

.hero-desc {
  max-width: 480px;
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.9;
  margin-bottom: 36px;
}

.hero-btn {
  display: inline-block;
  border: 1px solid var(--gold-dim);
  color: var(--gold);
  text-decoration: none;
  padding: 12px 32px;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  transition: background 0.2s, color 0.2s;
}

.hero-btn:hover {
  background: var(--gold);
  color: var(--bg);
}

/* ── POSTS SECTION ── */
.posts-section { padding: 72px 24px; }

.section-inner { max-width: 1080px; margin: 0 auto; }

.section-title {
  font-family: 'Shippori Mincho', serif;
  font-size: 1.3rem;
  color: var(--gold);
  margin-bottom: 40px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
  letter-spacing: 0.1em;
}

.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
}

.post-card {
  background: var(--bg2);
  padding: 28px;
  transition: background 0.2s;
}

.post-card:hover { background: var(--bg3); }

.post-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.post-card-meta time {
  font-size: 0.75rem;
  color: var(--text-faint);
  letter-spacing: 0.05em;
}

.cat {
  font-size: 0.7rem;
  color: var(--gold-dim);
  border: 1px solid var(--gold-dim);
  padding: 1px 8px;
  border-radius: 2px;
}

.post-card-title {
  font-family: 'Shippori Mincho', serif;
  font-size: 1.05rem;
  line-height: 1.5;
  margin-bottom: 10px;
}

.post-card-title a {
  color: var(--text);
  text-decoration: none;
  transition: color 0.2s;
}

.post-card-title a:hover { color: var(--gold); }

.post-card-summary {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 16px;
  line-height: 1.7;
}

.post-card-link {
  font-size: 0.78rem;
  color: var(--gold-dim);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color 0.2s;
}

.post-card-link:hover { color: var(--gold); }

.all-posts-link {
  text-align: center;
  margin-top: 40px;
}

.all-posts-link a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  transition: color 0.2s;
}

.all-posts-link a:hover { color: var(--gold); }

/* ── ABOUT STRIP ── */
.about-strip {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 64px 24px;
}

.about-strip-inner {
  max-width: 640px;
  margin: 0 auto;
}

.about-text h2 {
  font-family: 'Shippori Mincho', serif;
  font-size: 1.3rem;
  color: var(--gold);
  margin-bottom: 16px;
  letter-spacing: 0.1em;
}

.about-text p {
  color: var(--text-dim);
  font-size: 0.9rem;
  line-height: 2;
  margin-bottom: 20px;
}

.about-text a {
  color: var(--gold-dim);
  text-decoration: none;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  transition: color 0.2s;
}

.about-text a:hover { color: var(--gold); }

/* ── ARTICLE ── */
.article {
  max-width: 720px;
  margin: 0 auto;
  padding: 64px 24px;
}

.article-header {
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.article-meta time {
  font-size: 0.78rem;
  color: var(--text-faint);
  letter-spacing: 0.05em;
}

.article-title {
  font-family: 'Shippori Mincho', serif;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  line-height: 1.5;
  color: var(--white);
  margin-bottom: 12px;
}

.article-subtitle {
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.7;
}

.article-body {
  color: var(--text);
  font-size: 0.95rem;
  line-height: 2;
}

.article-body h2 {
  font-family: 'Shippori Mincho', serif;
  font-size: 1.3rem;
  color: var(--gold);
  margin: 48px 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.article-body h3 {
  font-size: 1.05rem;
  color: var(--white);
  margin: 32px 0 12px;
}

.article-body p { margin-bottom: 20px; }

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

.article-body blockquote {
  border-left: 2px solid var(--gold-dim);
  padding: 12px 20px;
  margin: 24px 0;
  color: var(--text-dim);
  font-style: italic;
  background: var(--bg2);
}

.article-body ul, .article-body ol {
  padding-left: 24px;
  margin-bottom: 20px;
}

.article-body li { margin-bottom: 6px; }

/* affiliate box */
.article-body .affiliate-box {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-left: 3px solid var(--gold-dim);
  padding: 20px 24px;
  margin: 32px 0;
  font-size: 0.88rem;
}

.article-body .affiliate-box .affiliate-label {
  font-size: 0.7rem;
  color: var(--gold-dim);
  letter-spacing: 0.15em;
  margin-bottom: 8px;
}

.article-body .affiliate-box a {
  display: inline-block;
  margin-top: 10px;
  background: var(--gold);
  color: var(--bg);
  text-decoration: none;
  padding: 8px 20px;
  font-size: 0.82rem;
  font-weight: 500;
}

.article-tags {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  color: var(--text-faint);
  font-size: 0.78rem;
  text-decoration: none;
  transition: color 0.2s;
}

.tag:hover { color: var(--gold); }

.article-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
}

.article-nav a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
  max-width: 45%;
}

.article-nav a:hover { color: var(--gold); }

/* ── LIST PAGE ── */
.list-page { max-width: 800px; margin: 0 auto; padding: 64px 24px; }

.list-header {
  margin-bottom: 40px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.list-header h1 {
  font-family: 'Shippori Mincho', serif;
  font-size: 1.5rem;
  color: var(--gold);
  letter-spacing: 0.1em;
}

.post-list { display: flex; flex-direction: column; gap: 0; }

.post-list-item {
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}

.post-list-meta {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 8px;
}

.post-list-meta time {
  font-size: 0.75rem;
  color: var(--text-faint);
}

.post-list-item h2 {
  font-family: 'Shippori Mincho', serif;
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.post-list-item h2 a {
  color: var(--text);
  text-decoration: none;
  transition: color 0.2s;
}

.post-list-item h2 a:hover { color: var(--gold); }

.post-list-item p {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 10px;
}

.read-more {
  font-size: 0.78rem;
  color: var(--gold-dim);
  text-decoration: none;
  transition: color 0.2s;
}

.read-more:hover { color: var(--gold); }

/* ── FOOTER ── */
.site-footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 32px 24px;
}

.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--text-faint);
}

.footer-links a {
  color: var(--text-faint);
  text-decoration: none;
  font-size: 0.75rem;
  margin-left: 20px;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--gold); }

/* ── RESPONSIVE ── */
@media (max-width: 640px) {
  .site-nav { display: none; }
  .hero-title { font-size: 2rem; }
  .post-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links a { margin: 0 10px; }
}