/* =========================================
   害虫退治ナビ 共通スタイル
   ========================================= */

:root {
  --c-primary: #0a7d4b;
  --c-primary-dark: #065c35;
  --c-accent: #ff6b35;
  --c-accent-dark: #e0521f;
  --c-danger: #d63031;
  --c-warn: #fdcb6e;
  --c-text: #2d3436;
  --c-text-light: #636e72;
  --c-bg: #ffffff;
  --c-bg-soft: #f7f9f7;
  --c-bg-card: #ffffff;
  --c-border: #e6eae6;
  --c-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  --c-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.10);
  --radius: 12px;
  --radius-sm: 8px;
  --max-w: 1120px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans",
          "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-text);
  background: var(--c-bg-soft);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a { color: var(--c-primary-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ====== Header ====== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #fff;
  border-bottom: 1px solid var(--c-border);
  box-shadow: var(--c-shadow);
}
.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: var(--c-text);
  font-size: 18px;
}
.brand-mark {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  background: var(--c-primary);
  color: #fff;
  border-radius: 10px;
  font-size: 20px;
}
.nav { display: flex; gap: 4px; flex-wrap: wrap; }
.nav a {
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--c-text);
  font-weight: 600;
  font-size: 14px;
}
.nav a:hover { background: var(--c-bg-soft); text-decoration: none; }

/* ====== Top bar ====== */
.topbar {
  background: var(--c-primary-dark);
  color: #fff;
  text-align: center;
  font-size: 13px;
  padding: 6px 12px;
}
.topbar strong { color: var(--c-warn); }

/* ====== Hero ====== */
.hero {
  background: linear-gradient(135deg, #0a7d4b 0%, #13a364 100%);
  color: #fff;
  padding: 56px 20px 72px;
  text-align: center;
}
.hero h1 {
  font-size: clamp(24px, 4vw, 38px);
  margin: 0 0 14px;
  line-height: 1.4;
  font-weight: 800;
  letter-spacing: 0.02em;
}
.hero p {
  font-size: clamp(15px, 2vw, 18px);
  opacity: 0.95;
  margin: 0 auto 28px;
  max-width: 680px;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--c-accent);
  color: #fff;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 16px;
  box-shadow: 0 6px 18px rgba(255, 107, 53, 0.45);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(255, 107, 53, 0.55);
  text-decoration: none;
  background: var(--c-accent-dark);
}
.hero-trust {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin-top: 22px;
  flex-wrap: wrap;
  font-size: 13px;
  opacity: 0.9;
}
.hero-trust span::before { content: "✓ "; color: var(--c-warn); font-weight: 800; }

/* ====== Layout ====== */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
}
main { padding: 40px 0 64px; }

section { margin: 48px 0; }
section h2 {
  font-size: clamp(20px, 3vw, 26px);
  margin: 0 0 8px;
  line-height: 1.4;
  font-weight: 800;
  color: var(--c-text);
}
section .sub {
  color: var(--c-text-light);
  margin: 0 0 20px;
  font-size: 14px;
}

/* ====== Pest cards (grid) ====== */
.pest-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.pest-card {
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  color: var(--c-text);
}
.pest-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--c-shadow-lg);
  text-decoration: none;
  border-color: var(--c-primary);
}
.pest-icon {
  font-size: 40px;
  margin-bottom: 8px;
}
.pest-card h3 {
  margin: 8px 0 6px;
  font-size: 17px;
  font-weight: 800;
}
.pest-card p {
  margin: 0;
  font-size: 13px;
  color: var(--c-text-light);
}

/* ====== Ranking ====== */
.ranking {
  display: grid;
  gap: 16px;
}
.rank-card {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  align-items: center;
  gap: 18px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--c-shadow);
}
.rank-badge {
  width: 52px; height: 52px;
  display: grid; place-items: center;
  border-radius: 50%;
  font-weight: 900;
  color: #fff;
  font-size: 18px;
}
.rank-1 { background: linear-gradient(135deg, #f5c518, #d4a017); }
.rank-2 { background: linear-gradient(135deg, #c0c0c0, #8a8a8a); }
.rank-3 { background: linear-gradient(135deg, #cd7f32, #8c5a22); }
.rank-body h3 { margin: 0 0 4px; font-size: 17px; font-weight: 800; }
.rank-body p { margin: 0; font-size: 13px; color: var(--c-text-light); }
.rank-meta {
  display: flex;
  gap: 8px;
  margin-top: 6px;
  flex-wrap: wrap;
}
.tag {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--c-bg-soft);
  color: var(--c-text-light);
  border: 1px solid var(--c-border);
}
.tag-hot { background: #fff0ea; color: var(--c-accent-dark); border-color: #ffd4c2; }
.rank-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--c-accent);
  color: #fff;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 14px;
  white-space: nowrap;
}
.rank-cta:hover { background: var(--c-accent-dark); text-decoration: none; }

@media (max-width: 560px) {
  .rank-card { grid-template-columns: 48px 1fr; }
  .rank-cta { grid-column: 1 / -1; justify-content: center; }
}

/* ====== Emergency CTA ====== */
.emergency {
  background: linear-gradient(135deg, #ff6b35 0%, #e0521f 100%);
  color: #fff;
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  box-shadow: var(--c-shadow-lg);
}
.emergency h2 {
  color: #fff;
  margin: 0 0 6px;
  font-size: clamp(18px, 2.5vw, 22px);
}
.emergency p {
  margin: 0 0 16px;
  opacity: 0.95;
  font-size: 14px;
}
.emergency .hero-cta {
  background: #fff;
  color: var(--c-accent-dark);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
}
.emergency .hero-cta:hover {
  background: #fff;
  color: var(--c-danger);
}

/* ====== Article (body) ====== */
.article {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: clamp(20px, 4vw, 44px);
  box-shadow: var(--c-shadow);
}
.article h1 {
  font-size: clamp(22px, 3.5vw, 32px);
  line-height: 1.4;
  margin: 0 0 12px;
}
.article .meta {
  color: var(--c-text-light);
  font-size: 13px;
  margin-bottom: 24px;
}
.article h2 {
  font-size: clamp(18px, 2.6vw, 22px);
  margin: 36px 0 12px;
  padding: 10px 14px;
  background: var(--c-bg-soft);
  border-left: 4px solid var(--c-primary);
  border-radius: 4px;
}
.article h3 {
  font-size: 17px;
  margin: 26px 0 10px;
  padding-left: 10px;
  border-left: 3px solid var(--c-accent);
}
.article p { margin: 0 0 16px; }
.article ul, .article ol { padding-left: 22px; margin: 0 0 16px; }
.article li { margin-bottom: 6px; }
.article blockquote {
  margin: 16px 0;
  padding: 14px 18px;
  border-left: 4px solid var(--c-primary);
  background: var(--c-bg-soft);
  color: var(--c-text);
  border-radius: 6px;
}
.article .note {
  background: #fff9e6;
  border: 1px solid #f0d878;
  border-left: 4px solid var(--c-warn);
  padding: 14px 18px;
  border-radius: 6px;
  margin: 20px 0;
}
.article .warn {
  background: #fff0ea;
  border: 1px solid #ffcab5;
  border-left: 4px solid var(--c-accent);
  padding: 14px 18px;
  border-radius: 6px;
  margin: 20px 0;
}
.article .ok {
  background: #e8f7ef;
  border: 1px solid #bfe7cf;
  border-left: 4px solid var(--c-primary);
  padding: 14px 18px;
  border-radius: 6px;
  margin: 20px 0;
}

/* TOC */
.toc {
  background: var(--c-bg-soft);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin: 0 0 28px;
  font-size: 14px;
}
.toc strong { display: block; margin-bottom: 6px; color: var(--c-text); }
.toc ol { padding-left: 20px; margin: 0; }
.toc a { color: var(--c-primary-dark); }

/* Comparison table */
.table-wrap { overflow-x: auto; margin: 16px 0; }
.cmp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  background: #fff;
  border: 1px solid var(--c-border);
}
.cmp-table th, .cmp-table td {
  border: 1px solid var(--c-border);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}
.cmp-table th {
  background: var(--c-bg-soft);
  font-weight: 700;
}
.cmp-table td.center { text-align: center; }

/* In-article CTA */
.inline-cta {
  background: linear-gradient(135deg, #fff5ef 0%, #ffe8dc 100%);
  border: 1px solid #ffcab5;
  border-radius: var(--radius);
  padding: 20px 22px;
  margin: 28px 0;
  text-align: center;
}
.inline-cta h3 {
  margin: 0 0 6px;
  border: 0;
  padding: 0;
  color: var(--c-accent-dark);
}
.inline-cta p { margin: 0 0 12px; font-size: 14px; color: var(--c-text-light); }
.inline-cta a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--c-accent);
  color: #fff;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 800;
}
.inline-cta a:hover { background: var(--c-accent-dark); text-decoration: none; }

/* Author box */
.author {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 14px;
  align-items: center;
  background: var(--c-bg-soft);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 16px;
  margin: 32px 0;
}
.author-ava {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--c-primary);
  color: #fff;
  display: grid; place-items: center;
  font-size: 26px;
  font-weight: 800;
}
.author h4 { margin: 0 0 4px; font-size: 15px; }
.author p { margin: 0; font-size: 13px; color: var(--c-text-light); }

/* Related */
.related {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}
.related a {
  display: block;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 16px 18px;
  color: var(--c-text);
  transition: transform 0.15s ease;
}
.related a:hover {
  transform: translateY(-2px);
  border-color: var(--c-primary);
  text-decoration: none;
}
.related strong { display: block; margin-bottom: 4px; }
.related span { font-size: 13px; color: var(--c-text-light); }

/* Trust strip */
.trust-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 22px;
}
.trust-item { text-align: center; }
.trust-item .ico { font-size: 28px; margin-bottom: 4px; }
.trust-item strong { display: block; margin-bottom: 2px; font-size: 15px; }
.trust-item span { font-size: 13px; color: var(--c-text-light); }

/* FAQ */
.faq details {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  margin-bottom: 8px;
}
.faq summary {
  cursor: pointer;
  font-weight: 700;
  padding: 4px 0;
  list-style: none;
  position: relative;
  padding-right: 24px;
}
.faq summary::after {
  content: "＋";
  position: absolute;
  right: 0;
  top: 4px;
  color: var(--c-primary);
  font-weight: 800;
}
.faq details[open] summary::after { content: "−"; }
.faq details[open] { border-color: var(--c-primary); }

/* Footer */
.site-footer {
  background: #1d2a23;
  color: #c9d4cd;
  padding: 36px 20px 24px;
  font-size: 13px;
  margin-top: 40px;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 22px;
}
.footer-inner h4 {
  margin: 0 0 10px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: #fff;
  text-transform: uppercase;
}
.footer-inner a { color: #c9d4cd; }
.footer-inner a:hover { color: #fff; }
.footer-inner ul { list-style: none; padding: 0; margin: 0; }
.footer-inner li { margin-bottom: 6px; }
.copyright {
  max-width: var(--max-w);
  margin: 24px auto 0;
  padding-top: 16px;
  border-top: 1px solid #2f3e34;
  color: #7c8c83;
  font-size: 12px;
  text-align: center;
}

/* Disclosure */
.disclosure {
  background: #fff9e6;
  border: 1px solid #f0d878;
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 12px;
  color: #7a5f00;
  margin: 16px 0 28px;
}

/* Utilities */
.center { text-align: center; }
.muted { color: var(--c-text-light); }
.space-sm { height: 12px; }
.space-md { height: 24px; }
.space-lg { height: 40px; }