/* Shared styles for ARTERRA founder / Masakazu Sato feature articles */
*, *::before, *::after { box-sizing: border-box; }
:root { --ink:#1E1C17; --cream:#F3F0E6; --cream2:#E9E5D8; --line:#D0CAB8; --sage:#89A882; --moss:#3B6B42; --muted:#8C8778; --rust:#A05A38; --olive:#6B7351; }
body { margin: 0; font-family: 'Shippori Mincho', serif; color: var(--ink); background: var(--cream); }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
.u-label { font-family: 'Shippori Mincho', serif; font-size: 11px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.24em; }

#site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 100; display: flex; justify-content: space-between; align-items: center; padding: 20px 48px; transition: background 0.3s, border-color 0.3s; }
#site-header.solid { background: rgba(30,28,23,0.9); backdrop-filter: blur(8px); border-bottom: 1px solid #2E2C25; }
#site-header .logo { font-family: 'Shippori Mincho', serif; font-size: 19px; font-weight: 500; color: #F3F0E6; text-decoration: none; }
.nav-links { display: flex; gap: 26px; }
.nav-links a { font-family: 'Shippori Mincho', serif; font-size: 11px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.16em; color: #F3F0E6; text-decoration: none; transition: opacity 0.2s; }
.nav-links a:hover { opacity: 0.6; }
.hamburger { display: none; background: none; border: none; color: #F3F0E6; font-size: 24px; cursor: pointer; }

.article-hero { position: relative; height: 74vh; min-height: 480px; background: #14130F center/cover no-repeat; display: flex; align-items: flex-end; }
.article-hero-inner { max-width: 860px; margin: 0 auto; width: 100%; padding: 0 40px 64px; color: #F3F0E6; }
.article-hero .kicker { color: var(--sage); display: block; margin-bottom: 22px; }
.article-title { font-family: 'Shippori Mincho', serif; font-size: clamp(38px, 6vw, 68px); font-weight: 600; line-height: 1.08; margin: 0; }
.article-dek { font-size: clamp(17px, 2vw, 21px); font-style: italic; color: rgba(243,240,230,0.82); margin: 24px 0 0; max-width: 620px; line-height: 1.6; }

.article-body { max-width: 720px; margin: 0 auto; padding: 88px 40px 40px; }
.article-body p { font-size: 19px; line-height: 1.95; color: #2A2721; margin: 0 0 30px; }
.article-body h2 { font-family: 'Shippori Mincho', serif; font-size: clamp(26px, 3.4vw, 34px); font-weight: 600; margin: 62px 0 24px; line-height: 1.28; padding-top: 26px; border-top: 1px solid var(--line); }
.article-body h3 { font-family: 'Shippori Mincho', serif; font-size: clamp(19px, 2.2vw, 23px); font-weight: 600; margin: 44px 0 16px; line-height: 1.3; color: var(--ink); }
.article-body h3 .idx { color: var(--rust); margin-right: 10px; }
.lead-p { font-size: 22px !important; color: #1E1C17 !important; line-height: 1.75 !important; }
.lead-p::first-letter { float: left; font-family: 'Shippori Mincho', serif; font-size: 68px; line-height: 0.86; font-weight: 600; color: var(--rust); padding: 8px 14px 0 0; }
.article-body strong { font-weight: 600; }
.dfn-list { list-style: none; padding: 0; margin: 0 0 30px; }
.dfn-list li { padding: 22px 0; border-top: 1px solid var(--line); font-size: 18px; line-height: 1.8; color: #2A2721; }
.dfn-list li:last-child { border-bottom: 1px solid var(--line); }
.dfn-list b { display: block; font-weight: 600; color: var(--ink); margin-bottom: 4px; }

.pullquote { border: none; border-top: 1px solid var(--rust); border-bottom: 1px solid var(--rust); padding: 34px 0; margin: 60px auto; max-width: 660px; text-align: center; font-size: clamp(24px, 3.4vw, 33px); font-style: italic; line-height: 1.45; color: var(--ink); }

.inline-figure { max-width: 900px; margin: 56px auto; padding: 0 40px; }
.inline-figure img { width: 100%; border-radius: 3px; }
.inline-figure figcaption { font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); margin-top: 14px; }

.facts { max-width: 720px; margin: 12px auto 0; padding: 0 40px; }
.facts ul { list-style: none; padding: 0; margin: 0; }
.facts li { padding: 20px 0; border-top: 1px solid var(--line); font-size: 17px; color: #2A2721; line-height: 1.6; }
.facts li:last-child { border-bottom: 1px solid var(--line); }
.facts strong { font-weight: 600; }

.more-reading { max-width: 900px; margin: 0 auto; padding: 80px 40px 0; }
.more-reading .u-label { color: var(--sage); display: block; margin-bottom: 26px; }
.more-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.more-card { background: var(--cream); padding: 30px 28px; text-decoration: none; color: var(--ink); transition: background 0.2s; }
.more-card:hover { background: var(--cream2); }
.more-card .k { font-size: 10.5px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--sage); }
.more-card h3 { font-size: 19px; font-weight: 500; line-height: 1.35; margin: 12px 0 0; }

.article-cta { background: var(--ink); color: #F3F0E6; margin-top: 80px; }
.article-cta-inner { max-width: 860px; margin: 0 auto; padding: 90px 40px; text-align: center; }
.article-cta h2 { font-size: clamp(30px, 4.4vw, 46px); font-weight: 500; margin: 0 0 20px; }
.article-cta p { font-size: 17px; color: rgba(243,240,230,0.62); max-width: 480px; margin: 0 auto 36px; line-height: 1.75; }
.btn { font-family: 'Shippori Mincho', serif; font-size: 12px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.16em; text-decoration: none; display: inline-block; padding: 16px 40px; border-radius: 3px; transition: background 0.2s, color 0.2s; }
.btn-solid { background: var(--sage); color: var(--ink); border: none; cursor: pointer; }
.btn-solid:hover { background: #A9C2A2; }

footer { background: var(--ink); border-top: 1px solid #2E2C25; }
.footer-inner { max-width: 1200px; margin: 0 auto; padding: 52px 48px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; }
.footer-brand .logo { font-family: 'Shippori Mincho', serif; font-size: 18px; color: #F3F0E6; }
.footer-brand p { font-size: 13px; color: var(--sage); margin-top: 6px; }
.footer-nav { display: flex; gap: 24px; }
.footer-nav a { font-family: 'Shippori Mincho', serif; font-size: 12px; color: var(--sage); text-transform: uppercase; letter-spacing: 0.12em; text-decoration: none; }
.footer-nav a:hover { color: #F3F0E6; }
.footer-bottom { border-top: 1px solid #2E2C25; padding: 20px 48px; font-size: 11px; color: #5C5A52; text-align: center; }

@media (max-width: 768px) {
  #site-header { padding: 14px 20px; }
  .nav-links { display: none; }
  .article-hero-inner, .article-body, .inline-figure, .facts, .more-reading, .article-cta-inner { padding-left: 24px; padding-right: 24px; }
  .article-body { padding-top: 56px; }
  .more-grid { grid-template-columns: 1fr; }
  .footer-inner { padding: 40px 24px; }
}