/* Runwith 公式HP 共通スタイル 2026-06-18
   集客AI client/src/pages/PricingPage の意匠を踏襲・最小 CSS */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans", "Yu Gothic UI", sans-serif;
  color: #0f172a;
  background: #ffffff;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: #2563eb; text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }

.container { max-width: 1120px; margin: 0 auto; padding: 0 1.25rem; }

/* Header */
header.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #e2e8f0;
}
.nav { display: flex; align-items: center; justify-content: space-between; padding: 0.75rem 0; }
.brand { font-size: 1.25rem; font-weight: 800; color: #0f172a; }
.brand span { color: #2563eb; }
.nav-links { display: flex; gap: 1.25rem; font-size: 0.9rem; }
.nav-links a { color: #475569; }

/* Hero */
.hero { padding: 4rem 0 3rem; background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%); }
.hero h1 { font-size: clamp(1.75rem, 4vw, 2.75rem); font-weight: 800; margin: 0 0 1rem; line-height: 1.3; letter-spacing: -0.02em; }
.hero h1 .accent { color: #2563eb; }
.hero p.lead { font-size: 1.125rem; color: #334155; max-width: 720px; margin: 0 0 1.5rem; }
.cta { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.875rem 1.5rem; border-radius: 9999px; background: #2563eb; color: #ffffff !important; font-weight: 700; transition: transform 0.15s; }
.cta:hover { transform: translateY(-1px); text-decoration: none; background: #1d4ed8; }
.cta.secondary { background: #ffffff; color: #2563eb !important; border: 2px solid #2563eb; }

/* 商品 Card Grid */
.products { padding: 4rem 0; background: #ffffff; }
.section-title { font-size: 1.75rem; font-weight: 800; margin: 0 0 0.5rem; }
.section-sub { color: #64748b; margin: 0 0 2rem; }
.grid { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.card { border: 1px solid #e2e8f0; border-radius: 1rem; padding: 1.5rem; background: #ffffff; transition: box-shadow 0.2s, transform 0.15s; }
.card:hover { box-shadow: 0 8px 24px -8px rgba(15, 23, 42, 0.15); transform: translateY(-2px); }
.card .pill { display: inline-block; padding: 0.25rem 0.625rem; border-radius: 9999px; background: #eff6ff; color: #2563eb; font-size: 0.75rem; font-weight: 700; margin-bottom: 0.75rem; }
.card h3 { font-size: 1.125rem; font-weight: 800; margin: 0 0 0.5rem; }
.card .price { font-size: 0.95rem; color: #0f172a; font-weight: 700; margin: 0 0 0.5rem; }
.card .price small { color: #64748b; font-weight: 400; }
.card p { color: #475569; font-size: 0.9rem; margin: 0 0 1rem; }
.card a.more { font-size: 0.875rem; font-weight: 600; }

/* About 簡易 */
.about-brief { padding: 4rem 0; background: #f8fafc; }
.about-brief h2 { font-size: 1.75rem; font-weight: 800; margin: 0 0 1rem; }
.about-brief p { color: #334155; font-size: 1rem; max-width: 720px; }

/* Contact */
.contact { padding: 4rem 0; background: #0f172a; color: #ffffff; }
.contact h2 { color: #ffffff; font-size: 1.75rem; font-weight: 800; margin: 0 0 1rem; }
.contact p { color: #cbd5e1; margin: 0 0 1.5rem; }
.contact-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.contact-card { background: #1e293b; border-radius: 0.75rem; padding: 1.25rem; }
.contact-card .label { color: #94a3b8; font-size: 0.85rem; font-weight: 600; margin-bottom: 0.25rem; }
.contact-card .value { color: #ffffff; font-weight: 700; }
.contact-card a { color: #93c5fd; }

/* Product LP */
.product-hero { padding: 3.5rem 0; background: linear-gradient(180deg, #eff6ff 0%, #ffffff 100%); }
.product-hero .one-line { font-size: 1rem; color: #2563eb; font-weight: 700; margin: 0 0 0.5rem; }
.product-hero h1 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); margin: 0 0 1rem; }
.product-hero .price-band { display: inline-block; padding: 0.5rem 1rem; border-radius: 0.5rem; background: #ffffff; border: 1px solid #e2e8f0; font-weight: 700; margin: 0 0 1.5rem; }
.benefits { padding: 3rem 0; }
.benefits ul { list-style: none; padding: 0; }
.benefits li { padding: 0.75rem 0 0.75rem 2rem; position: relative; border-bottom: 1px solid #f1f5f9; }
.benefits li::before { content: "✓"; position: absolute; left: 0; color: #16a34a; font-weight: 800; }
.faq { padding: 3rem 0; background: #f8fafc; }
.faq h2 { font-size: 1.5rem; font-weight: 800; margin: 0 0 1.5rem; }
.faq-item { background: #ffffff; border-radius: 0.75rem; padding: 1rem 1.25rem; margin-bottom: 0.75rem; border: 1px solid #e2e8f0; }
.faq-item .q { font-weight: 700; color: #0f172a; margin-bottom: 0.5rem; }
.faq-item .a { color: #475569; font-size: 0.95rem; }

/* Footer */
footer.site-footer { background: #f1f5f9; padding: 2.5rem 0 1.5rem; color: #475569; font-size: 0.85rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; margin-bottom: 1.5rem; }
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand { font-weight: 800; color: #0f172a; margin-bottom: 0.5rem; }
.footer-grid h4 { font-size: 0.9rem; color: #0f172a; margin: 0 0 0.5rem; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { padding: 0.25rem 0; }
.footer-bottom { border-top: 1px solid #cbd5e1; padding-top: 1rem; text-align: center; color: #64748b; }

/* Utility */
.text-center { text-align: center; }
.muted { color: #64748b; }
.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }