:root {
  --ink: #0f2530;
  --bg: #ffffff;
  --bg-alt: #eef5f7;
  --text: #142a33;
  --text-muted: #52707a;
  --border: #d7e6ea;
  --accent: #146c8c;
  --accent-dark: #0d4a61;
  --accent-soft-bg: #dcf0f5;
  --gold: #b8862e;
  --radius: 10px;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font-body); color: var(--text); background: var(--bg); line-height: 1.7; }
a { color: inherit; text-decoration: none; }
.container { max-width: 900px; margin: 0 auto; padding: 0 24px; }
img { max-width: 100%; display: block; }

.advertorial-bar { background: var(--ink); color: rgba(255,255,255,0.85); text-align: center; font-size: 12px; padding: 8px 16px; letter-spacing: 0.02em; }

.site-header { border-bottom: 1px solid var(--border); background: #fff; }
.header-top { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding: 16px 24px; max-width: 900px; margin: 0 auto; }
.brand-link { font-family: Georgia, serif; font-weight: 800; font-size: 20px; color: var(--accent-dark); }
.header-nav { display: flex; gap: 20px; font-size: 13px; font-weight: 600; }
.header-nav a:hover { color: var(--accent); }

section { padding: 48px 0; }
.section-kicker { font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.06em; color: var(--accent); margin: 0 0 10px; }
.data-warning { font-size: 12px; color: var(--text-muted); }

.hero-section { padding-top: 36px; }
.hero-section h1 { font-family: Georgia, serif; font-size: clamp(26px, 4vw, 36px); line-height: 1.25; color: var(--accent-dark); margin: 4px 0 16px; }
.hero-summary { font-size: 16px; color: var(--text-muted); margin: 0 0 18px; }
.article-meta { font-size: 13px; color: var(--text-muted); margin: 0 0 16px; }
.ai-disclosure { font-size: 12px; font-style: italic; color: var(--text-muted); margin: 0 0 20px; padding: 6px 0; border-top: 1px dashed var(--border); border-bottom: 1px dashed var(--border); }
.hero-media { border-radius: var(--radius); overflow: hidden; margin: 0 0 8px; }
.hero-media img { width: 100%; height: 380px; object-fit: cover; }
.hero-caption { font-size: 11.5px; color: var(--text-muted); margin: 0 0 8px; }

.article-body p { margin: 0 0 20px; font-size: 16.5px; }
.article-body h2 { font-family: Georgia, serif; font-size: 24px; color: var(--accent-dark); margin: 40px 0 6px; }

.way-section { background: var(--bg-alt); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 28px; margin: 22px 0; }
.way-number { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 800; font-size: 14px; margin-bottom: 12px; }
.way-section h3 { font-family: Georgia, serif; font-size: 19px; color: var(--accent-dark); margin: 0 0 10px; }
.way-section p { font-size: 15px; color: var(--text); margin: 0 0 12px; }
.way-section img { display: block; border-radius: 8px; margin-top: 12px; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; object-position: center 30%; background: #eef1ea; }

.quiz-section { background: var(--accent-soft-bg); border-radius: var(--radius); padding: 30px 28px; margin: 40px 0; }
.quiz-section h2 { font-family: Georgia, serif; font-size: 22px; color: var(--accent-dark); margin: 4px 0 8px; }
.quiz-intro { font-size: 14px; color: var(--text-muted); margin: 0 0 20px; }
.quiz-question { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 18px 20px; margin-bottom: 14px; }
.quiz-question p.q-label { font-weight: 700; font-size: 14.5px; margin: 0 0 10px; color: var(--accent-dark); }
.quiz-options { display: flex; flex-direction: column; gap: 8px; }
.quiz-options label { display: flex; align-items: center; gap: 8px; font-size: 14px; cursor: pointer; }
.quiz-submit { background: var(--accent); color: #fff; border: none; padding: 12px 22px; border-radius: 6px; font-weight: 700; font-size: 14px; cursor: pointer; margin-top: 6px; }
.quiz-submit:hover { background: var(--accent-dark); }
.quiz-result { display: none; background: #fff; border: 1px solid var(--accent); border-radius: 8px; padding: 18px 20px; margin-top: 16px; font-size: 14.5px; }
.quiz-result.visible { display: block; }
.quiz-result a { color: var(--accent-dark); font-weight: 700; text-decoration: underline; }
.quiz-note { font-size: 11.5px; color: var(--text-muted); margin-top: 14px; }

.pdf-box { background: var(--accent-dark); color: #fff; border-radius: var(--radius); padding: 30px 28px; text-align: center; margin: 40px 0; }
.pdf-box h2 { font-family: Georgia, serif; margin: 0 0 8px; }
.pdf-box p { color: rgba(255,255,255,0.85); font-size: 14px; margin: 0 0 18px; }
.pdf-button { display: inline-block; background: #fff; color: var(--accent-dark); font-weight: 700; padding: 12px 24px; border-radius: 6px; border: none; cursor: pointer; font-size: 15px; width: 100%; }
.pdf-button:hover { background: #f0f5f0; }

.pdf-form { max-width: 360px; margin: 0 auto; text-align: left; }
.pdf-form-label { display: block; font-size: 12.5px; font-weight: 700; color: rgba(255,255,255,0.9); margin: 12px 0 5px; }
.pdf-form input[type="text"], .pdf-form input[type="email"] {
  width: 100%; padding: 10px 12px; border-radius: 6px; border: none; font-size: 14px;
  background: rgba(255,255,255,0.95); color: var(--text);
}
.pdf-form-consent { display: flex; gap: 8px; align-items: flex-start; font-size: 11.5px; color: rgba(255,255,255,0.85); margin: 14px 0; line-height: 1.4; }
.pdf-form-consent input { margin-top: 3px; flex-shrink: 0; }
.pdf-form .hp { position: absolute; left: -9999px; }

.disclaimer-box { font-size: 13px; color: var(--text-muted); background: var(--bg-alt); border: 1px solid var(--border); border-radius: 8px; padding: 16px 18px; margin: 28px 0; }
.source-list { font-size: 13px; color: var(--text-muted); }

.site-footer { background: var(--ink); color: #c9cfc4; padding: 44px 0 22px; font-size: 13px; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 24px; margin-bottom: 22px; }
@media (min-width: 700px) { .footer-grid { grid-template-columns: 1.3fr 1fr; } }
.footer-grid h2 { font-size: 14px; color: #fff; margin: 0 0 8px; }
.footer-grid p { margin: 4px 0; }
.footer-grid a { color: #c9cfc4; text-decoration: underline; }
.footer-legal-tabs { display: flex; flex-wrap: wrap; gap: 14px; border-top: 1px solid rgba(255,255,255,0.12); border-bottom: 1px solid rgba(255,255,255,0.12); padding: 14px 0; margin-bottom: 18px; font-size: 12.5px; }
.footer-legal-tabs a { font-weight: 600; color: #d7e6ea; text-decoration: none; }
.footer-legal-tabs a:hover { color: #fff; }
.footer-accordions details { border-bottom: 1px solid rgba(255,255,255,0.1); padding: 12px 0; }
.footer-accordions summary { cursor: pointer; font-weight: 700; color: #fff; font-size: 13.5px; }
.footer-accordions div { margin-top: 10px; font-size: 12.5px; color: #b3bcac; }
.footer-accordions p { margin: 0 0 8px; }
.footer-note { font-size: 11.5px; color: #8c9584; margin-top: 18px; }
.footer-bottom { font-size: 11.5px; color: #8c9584; margin-top: 6px; }

@media (max-width: 640px) {
  .hero-media img { height: 220px; }
  section { padding: 36px 0; }
}