:root {
  --navy: #1e3a5f;
  --navy-dark: #142942;
  --orange: #f0932b;
  --orange-dark: #d97e1a;
  --bg: #ffffff;
  --bg-alt: #f6f8fa;
  --text: #1f2733;
  --text-muted: #5a6472;
  --border: #e2e6eb;
  --radius: 10px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Hiragino Sans", "Yu Gothic", "Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.85;
}
a { color: var(--navy); text-decoration: none; }
a:hover { color: var(--orange); }
img { max-width: 100%; }

/* Header */
.site-header {
  background: var(--navy);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}
.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.brand {
  color: #fff;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.brand:hover { color: var(--orange); }
.main-nav ul {
  list-style: none;
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}
.main-nav a {
  color: #dfe7f0;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.92rem;
  display: inline-block;
}
.main-nav a:hover, .main-nav a.active {
  background: var(--orange);
  color: #fff;
}

/* Breadcrumb */
.breadcrumb {
  max-width: 1100px;
  margin: 16px auto 0;
  padding: 0 20px;
}
.breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.breadcrumb li + li::before { content: "›"; margin-right: 6px; color: var(--text-muted); }
.breadcrumb li { display: flex; gap: 6px; }

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: #fff;
  padding: 48px 20px;
  margin-top: 16px;
}
.hero-inner { max-width: 1100px; margin: 0 auto; }
.hero h1 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  margin: 0;
  line-height: 1.5;
}

/* Content */
.content-wrap {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px 20px;
}
.intro p { font-size: 1.05rem; color: var(--text); }
.page-section { margin: 40px 0; }
.page-section h2 {
  font-size: 1.35rem;
  color: var(--navy);
  border-left: 6px solid var(--orange);
  padding-left: 12px;
  margin-bottom: 18px;
}
.page-section p { margin: 0 0 14px; }
.section-link {
  display: inline-block;
  margin-top: 8px;
  font-weight: 600;
  color: var(--orange-dark);
}

.check-list, .step-list { padding-left: 0; list-style: none; }
.check-list li {
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 12px 16px 12px 40px;
  margin-bottom: 10px;
  position: relative;
}
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 14px;
  color: var(--orange-dark);
  font-weight: 700;
}
.step-list {
  counter-reset: step;
}
.step-list li {
  counter-increment: step;
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 12px 16px 12px 48px;
  margin-bottom: 10px;
  position: relative;
}
.step-list li::before {
  content: counter(step);
  position: absolute;
  left: 12px;
  top: 10px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.faq-list { border-top: 1px solid var(--border); }
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--navy);
  list-style: none;
}
.faq-item summary::before { content: "Q. "; color: var(--orange-dark); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item p { margin: 10px 0 0; color: var(--text-muted); }
.faq-item p::before { content: "A. "; color: var(--navy); font-weight: 600; }

.link-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
}
.link-grid li a {
  display: block;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-size: 0.92rem;
}
.link-grid li a:hover { border-color: var(--orange); }

.home-cat { background: var(--bg-alt); padding: 24px; border-radius: var(--radius); }

/* CTA band */
.cta-band {
  background: var(--orange);
  padding: 32px 20px;
  text-align: center;
}
.cta-inner { max-width: 700px; margin: 0 auto; }
.cta-text {
  color: #fff;
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0 0 16px;
}
.cta-button {
  display: inline-block;
  background: #fff;
  color: var(--navy);
  font-weight: 700;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 1.1rem;
}
.cta-button:hover { background: var(--navy); color: #fff; }

/* Contact form */
.contact-form { display: flex; flex-direction: column; gap: 18px; }
.contact-form label {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  font-weight: 600;
  color: var(--navy);
  font-size: 0.95rem;
}
.contact-form label > input,
.contact-form label > textarea {
  width: 100%;
  align-self: stretch;
}
.contact-form .label-row {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.contact-form .req {
  background: var(--orange);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  margin-left: 8px;
}
.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="tel"],
.contact-form textarea {
  font: inherit;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  color: var(--text);
}
.contact-form input:focus, .contact-form textarea:focus {
  outline: none;
  border-color: var(--orange);
}
.form-submit {
  align-self: flex-start;
  background: var(--orange);
  color: #fff;
  border: none;
  font: inherit;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: 999px;
  cursor: pointer;
}
.form-submit:hover { background: var(--orange-dark); }

/* Footer */
.site-footer {
  background: var(--navy-dark);
  color: #b9c4d1;
  padding: 28px 20px;
  text-align: center;
  font-size: 0.85rem;
}
.footer-note { color: #8b98a8; margin-top: 4px; }

@media (max-width: 640px) {
  .header-inner { flex-direction: column; align-items: flex-start; }
  .main-nav ul { gap: 4px; }
  .main-nav a { padding: 6px 10px; font-size: 0.85rem; }
}