:root {
  --bg: #0f172a;
  --bg-soft: #111827;
  --text: #111827;
  --muted: #6b7280;
  --line: #d1d5db;
  --brand: #c1121f;
  --brand-dark: #8b0d16;
  --panel: #ffffff;
  --alt: #f8fafc;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: Arial, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  color: var(--text);
  background: #eef2f7;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.header-top {
  background: var(--bg);
  color: #fff;
  font-size: 13px;
}
.header-top .inner,
.site-header .inner,
.main-nav .inner,
.container,
.footer-main .inner { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.header-top .inner {
  display: flex; justify-content: space-between; align-items: center; min-height: 40px;
}
.utility-links { display: flex; gap: 16px; flex-wrap: wrap; }
.site-header {
  background: #fff; border-bottom: 1px solid var(--line);
}
.site-header .inner {
  display: flex; justify-content: space-between; align-items: center; padding-top: 18px; padding-bottom: 18px;
}
.logo-wrap { display: flex; align-items: center; gap: 16px; }
.logo-mark {
  width: 190px; height: 52px; border: 2px solid var(--line); background: linear-gradient(135deg,#fff,#f4f4f5);
  display: flex; align-items: center; justify-content: center; font-weight: 700; letter-spacing: .08em;
}
.header-cta { display: flex; gap: 12px; align-items: center; }
.btn, .btn-secondary, .btn-outline {
  display: inline-flex; align-items: center; justify-content: center; padding: 12px 18px;
  border-radius: 4px; font-weight: 700; border: 1px solid transparent; cursor: pointer;
}
.btn { background: var(--brand); color: #fff; }
.btn:hover { background: var(--brand-dark); }
.btn-secondary { background: #111827; color: #fff; }
.btn-outline { border-color: var(--brand); color: var(--brand); background: #fff; }
.main-nav { background: #fff; border-bottom: 1px solid var(--line); }
.main-nav .inner { display: flex; flex-wrap: wrap; gap: 22px; padding-top: 14px; padding-bottom: 14px; }
.main-nav a { font-weight: 700; font-size: 14px; }
.breadcrumb { font-size: 13px; color: var(--muted); margin: 18px 0 10px; }
.hero {
  position: relative; background: #111827; color: #fff; overflow: hidden;
}
.hero .container { display: grid; grid-template-columns: 1.2fr 1fr; gap: 24px; align-items: center; padding-top: 36px; padding-bottom: 36px; }
.hero-copy h1 { font-size: 40px; line-height: 1.15; margin: 0 0 14px; }
.hero-copy p { color: #e5e7eb; max-width: 640px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 20px; }
.placeholder-box {
  width: 100%; border: 3px dashed rgba(255,255,255,.6); background: rgba(255,255,255,.08);
  min-height: 320px; display: flex; align-items: center; justify-content: center; text-align: center;
  padding: 20px; font-size: 28px; font-weight: 700; letter-spacing: .06em;
}
.section { padding: 46px 0; }
.section.alt { background: var(--alt); }
.section h2 { font-size: 30px; margin: 0 0 18px; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 16px; margin-bottom: 18px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; box-shadow: 0 4px 16px rgba(15,23,42,.05);
}
.card-body { padding: 18px; }
.card h3 { margin: 0 0 10px; font-size: 20px; }
.card p { margin: 0 0 12px; color: #374151; }
.card small { color: var(--muted); }
.thumb {
  aspect-ratio: 16 / 9; background: #e5e7eb; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: center; font-weight: 700; color: #374151;
}
.thumb.square { aspect-ratio: 1 / 1; }
.category-list, .feature-list, .contact-list { display: grid; gap: 14px; }
.category-item, .feature-item, .contact-item {
  display: flex; justify-content: space-between; align-items: center; gap: 16px; background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 16px 18px;
}
.page-header { background: #fff; border-bottom: 1px solid var(--line); }
.page-header .container { padding-top: 24px; padding-bottom: 24px; }
.page-header h1 { margin: 0; font-size: 34px; }
.content-wrap { display: grid; grid-template-columns: 280px 1fr; gap: 28px; padding: 28px 20px 50px; max-width: 1200px; margin: 0 auto; }
.sidebar-box, .content-box {
  background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 22px;
}
.sidebar-box h3, .content-box h2 { margin-top: 0; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { display: grid; gap: 8px; }
.form-group.full { grid-column: 1 / -1; }
label { font-weight: 700; }
input[type=text], input[type=email], input[type=tel], textarea, input[type=file] {
  width: 100%; padding: 12px 14px; border: 1px solid #cbd5e1; border-radius: 6px; font-size: 15px; background: #fff;
}
textarea { min-height: 180px; resize: vertical; }
.note, .alert {
  padding: 14px 16px; border-radius: 6px; font-size: 14px;
}
.note { background: #eff6ff; border: 1px solid #bfdbfe; }
.alert { background: #fff7ed; border: 1px solid #fed7aa; }
.table-summary { width: 100%; border-collapse: collapse; background: #fff; }
.table-summary th, .table-summary td { border: 1px solid var(--line); padding: 12px 14px; text-align: left; vertical-align: top; }
.footer-main {
  background: #111827; color: #fff; margin-top: 40px;
}
.footer-main .inner { padding-top: 36px; padding-bottom: 36px; display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 24px; }
.footer-main h3 { margin-top: 0; font-size: 18px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.14); padding: 14px 0; font-size: 13px; }
.kicker { display: inline-block; background: rgba(255,255,255,.12); padding: 6px 10px; border-radius: 999px; font-size: 12px; letter-spacing: .08em; margin-bottom: 14px; }
.spacer-24 { height: 24px; }
@media (max-width: 960px) {
  .hero .container, .content-wrap, .grid-4, .grid-3, .grid-2, .footer-main .inner, .form-grid { grid-template-columns: 1fr; }
  .site-header .inner, .header-top .inner { align-items: start; flex-direction: column; gap: 10px; }
}