:root {
  --color-primary: #1a3a6c;
  --color-accent: #d99a2b;
  --color-text: #222;
  --color-muted: #666;
  --color-bg: #fff;
  --color-bg-alt: #f5f7fa;
  --color-border: #e2e6ec;
  --max-w: 1140px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
}

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

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

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== Header ===== */
.site-header {
  border-bottom: 1px solid var(--color-border);
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  max-width: var(--max-w);
  margin: 0 auto;
}
.logo {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
}
.nav ul {
  display: flex;
  gap: 24px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav a {
  color: var(--color-text);
  font-weight: 500;
}
.nav .cta {
  background: var(--color-accent);
  color: #fff;
  padding: 8px 18px;
  border-radius: 4px;
}
.nav .cta:hover { background: #c0871f; text-decoration: none; }

.hamburger { display: none; background: none; border: 0; font-size: 24px; cursor: pointer; }

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, #1a3a6c 0%, #2d5ba1 100%);
  color: #fff;
  padding: 80px 20px;
  text-align: center;
}
.hero h1 {
  font-size: 36px;
  margin: 0 0 16px;
  line-height: 1.4;
}
.hero p {
  font-size: 18px;
  margin: 0 auto;
  max-width: 600px;
  opacity: 0.9;
}

/* ===== Section ===== */
.section { padding: 64px 0; }
.section.alt { background: var(--color-bg-alt); }
.section h2 {
  font-size: 28px;
  text-align: center;
  margin: 0 0 8px;
  color: var(--color-primary);
}
.section .lead {
  text-align: center;
  color: var(--color-muted);
  margin: 0 0 40px;
}

/* ===== Service cards ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 24px;
}
.card h3 {
  margin: 0 0 12px;
  color: var(--color-primary);
}
.card p { margin: 0; color: var(--color-muted); font-size: 14px; }

/* ===== News list ===== */
.news-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.news-list li {
  display: flex;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--color-border);
  align-items: baseline;
}
.news-list time {
  color: var(--color-muted);
  font-size: 14px;
  width: 110px;
  flex-shrink: 0;
}
.news-list .tag {
  background: var(--color-bg-alt);
  color: var(--color-primary);
  font-size: 12px;
  padding: 2px 10px;
  border-radius: 3px;
  width: 80px;
  text-align: center;
  flex-shrink: 0;
}

.more-link {
  text-align: center;
  margin-top: 32px;
}
.btn {
  display: inline-block;
  padding: 12px 32px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 4px;
  border: 0;
  font-size: 15px;
  cursor: pointer;
}
.btn:hover { background: #14305a; text-decoration: none; color: #fff; }
.btn.outline {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

/* ===== Form ===== */
.form {
  max-width: 680px;
  margin: 0 auto;
}
.form-row { margin-bottom: 20px; }
.form-row label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
}
.form-row .required {
  color: #c0392b;
  font-size: 12px;
  margin-left: 6px;
}
.form-row input,
.form-row textarea,
.form-row select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 15px;
  font-family: inherit;
}
.form-row textarea { min-height: 140px; resize: vertical; }
.form-actions { text-align: center; margin-top: 32px; }

.notice {
  background: #fff8e6;
  border-left: 4px solid var(--color-accent);
  padding: 14px 18px;
  margin-bottom: 32px;
  font-size: 14px;
}

/* ===== Pagination ===== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}
.pagination a, .pagination span {
  padding: 8px 14px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  color: var(--color-text);
}
.pagination .current {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* ===== Footer ===== */
.site-footer {
  background: #1a2540;
  color: #cfd6e2;
  padding: 48px 20px 24px;
  margin-top: 80px;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
}
.footer-inner h4 { color: #fff; margin: 0 0 16px; font-size: 15px; }
.footer-inner ul { list-style: none; padding: 0; margin: 0; }
.footer-inner ul li { margin-bottom: 8px; font-size: 14px; }
.footer-inner a { color: #cfd6e2; }
.copyright {
  text-align: center;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid #2d3a5a;
  font-size: 13px;
  color: #8a93a8;
}

/* ===== Page header (lower pages) ===== */
.page-header {
  background: var(--color-bg-alt);
  padding: 48px 20px;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}
.page-header h1 {
  font-size: 32px;
  margin: 0;
  color: var(--color-primary);
}
.breadcrumb {
  font-size: 13px;
  color: var(--color-muted);
  margin: 8px 0 0;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav { display: none; }
  .hamburger { display: block; }
  .hero { padding: 56px 20px; }
  .hero h1 { font-size: 26px; }
  .hero p { font-size: 15px; }
  .section { padding: 48px 0; }
  .section h2 { font-size: 22px; }
  .cards { grid-template-columns: 1fr; }
  .news-list li { flex-direction: column; gap: 4px; align-items: flex-start; }
  .news-list time { width: auto; }
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
}