/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-primary: #1a5276;
  --color-primary-light: #2e86c1;
  --color-primary-dark: #154360;
  --color-secondary: #148f77;
  --color-secondary-light: #1abc9c;
  --color-accent: #d4a017;
  --color-accent-light: #f0c040;
  --color-success: #1e8449;
  --color-warning: #d68910;
  --color-error: #c0392b;
  --color-neutral-50: #f8fafc;
  --color-neutral-100: #f1f5f9;
  --color-neutral-200: #e2e8f0;
  --color-neutral-300: #cbd5e1;
  --color-neutral-400: #94a3b8;
  --color-neutral-500: #64748b;
  --color-neutral-600: #475569;
  --color-neutral-700: #334155;
  --color-neutral-800: #1e293b;
  --color-neutral-900: #0f172a;
  --font-main: 'Noto Sans JP', 'Hiragino Sans', 'Meiryo', sans-serif;
  --font-heading: 'Noto Serif JP', 'Hiragino Mincho ProN', serif;
  --spacing: 8px;
  --radius: 8px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,.10);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.14);
  --transition: 0.25s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-main);
  color: var(--color-neutral-800);
  background: #fff;
  line-height: 1.7;
  font-size: 16px;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ===== Typography ===== */
h1, h2, h3, h4 { font-family: var(--font-heading); line-height: 1.3; }
h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 700; }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 700; }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); font-weight: 600; }

/* ===== Layout ===== */
.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 calc(var(--spacing) * 3);
}

.section {
  padding: calc(var(--spacing) * 10) 0;
}

.section--alt {
  background: var(--color-neutral-50);
}

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--color-neutral-200);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.site-name {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
}
.site-name span {
  display: block;
  font-size: .75rem;
  font-weight: 400;
  color: var(--color-neutral-500);
  font-family: var(--font-main);
}

.nav-list {
  display: flex;
  gap: calc(var(--spacing) * 4);
  align-items: center;
}
.nav-list a {
  font-size: .9rem;
  font-weight: 500;
  color: var(--color-neutral-700);
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.nav-list a:hover,
.nav-list a.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle svg { display: block; }

/* ===== Hero ===== */
.hero {
  position: relative;
  background: url('/image.png') center center / cover no-repeat;
  color: #fff;
  padding: calc(var(--spacing) * 16) 0 calc(var(--spacing) * 14);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(21, 67, 96, 0.88) 0%,
    rgba(26, 82, 118, 0.78) 50%,
    rgba(46, 134, 193, 0.55) 100%
  );
  pointer-events: none;
}
.hero-content { position: relative; z-index: 1; }
.hero-eyebrow {
  display: inline-block;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.3);
  color: #fff;
  font-size: .82rem;
  letter-spacing: .12em;
  padding: 4px 16px;
  border-radius: 40px;
  margin-bottom: calc(var(--spacing) * 3);
}
.hero h1 { color: #fff; margin-bottom: calc(var(--spacing) * 3); }
.hero-lead {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,.88);
  max-width: 600px;
  margin-bottom: calc(var(--spacing) * 5);
  line-height: 1.9;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 48px;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-primary {
  background: var(--color-accent);
  color: var(--color-neutral-900);
  border-color: var(--color-accent);
}
.btn-primary:hover { background: var(--color-accent-light); border-color: var(--color-accent-light); }
.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.6);
}
.btn-outline:hover { background: rgba(255,255,255,.1); border-color: #fff; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }

/* ===== Section Heading ===== */
.section-heading {
  text-align: center;
  margin-bottom: calc(var(--spacing) * 7);
}
.section-heading h2 { color: var(--color-primary-dark); margin-bottom: 12px; }
.section-heading p { color: var(--color-neutral-500); max-width: 560px; margin: 0 auto; }
.section-heading .divider {
  width: 48px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 4px;
  margin: 16px auto 20px;
}

/* ===== Cards ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: calc(var(--spacing) * 4);
}

.card {
  background: #fff;
  border: 1px solid var(--color-neutral-200);
  border-radius: calc(var(--radius) * 2);
  padding: calc(var(--spacing) * 4);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: calc(var(--spacing) * 2.5);
}
.card-icon svg { color: #fff; }
.card h3 { color: var(--color-primary-dark); margin-bottom: 8px; }
.card p { color: var(--color-neutral-600); font-size: .92rem; line-height: 1.75; }

/* ===== Feature List ===== */
.feature-list { display: flex; flex-direction: column; gap: calc(var(--spacing) * 3); }
.feature-item {
  display: flex;
  gap: calc(var(--spacing) * 2);
  align-items: flex-start;
  padding: calc(var(--spacing) * 2.5);
  border-left: 3px solid var(--color-primary);
  background: var(--color-neutral-50);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.feature-item svg { color: var(--color-primary); flex-shrink: 0; margin-top: 2px; }
.feature-item-body h4 { font-size: 1rem; color: var(--color-primary-dark); margin-bottom: 4px; }
.feature-item-body p { font-size: .9rem; color: var(--color-neutral-600); }

/* ===== Pricing ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: calc(var(--spacing) * 4);
  align-items: start;
}
.pricing-card {
  background: #fff;
  border: 1px solid var(--color-neutral-200);
  border-radius: calc(var(--radius) * 2);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.pricing-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.pricing-card--featured {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary), var(--shadow-md);
}
.pricing-header {
  padding: calc(var(--spacing) * 4);
  background: var(--color-neutral-50);
  text-align: center;
  border-bottom: 1px solid var(--color-neutral-200);
}
.pricing-card--featured .pricing-header {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
  border-bottom-color: transparent;
}
.pricing-card--featured .pricing-header h3 { color: #fff; }
.pricing-badge {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-neutral-900);
  font-size: .75rem;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 20px;
  margin-bottom: 8px;
}
.pricing-header h3 { color: var(--color-primary-dark); margin-bottom: 12px; }
.pricing-price {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
}
.pricing-card--featured .pricing-price { color: #fff; }
.pricing-price span { font-size: .9rem; font-weight: 400; }
.pricing-body { padding: calc(var(--spacing) * 4); }
.pricing-features { display: flex; flex-direction: column; gap: 12px; }
.pricing-feature {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: .9rem;
  color: var(--color-neutral-700);
}
.pricing-feature svg { color: var(--color-success); flex-shrink: 0; margin-top: 2px; }
.pricing-note {
  margin-top: calc(var(--spacing) * 2);
  padding: calc(var(--spacing) * 1.5);
  background: var(--color-neutral-100);
  border-radius: var(--radius);
  font-size: .82rem;
  color: var(--color-neutral-500);
  line-height: 1.6;
}

/* ===== Testimonials ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: calc(var(--spacing) * 4);
}
.testimonial-card {
  background: #fff;
  border: 1px solid var(--color-neutral-200);
  border-radius: calc(var(--radius) * 2);
  padding: calc(var(--spacing) * 4);
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: box-shadow var(--transition), transform var(--transition);
}
.testimonial-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.testimonial-quote {
  position: absolute;
  top: calc(var(--spacing) * 2);
  right: calc(var(--spacing) * 2.5);
  color: var(--color-neutral-200);
}
.testimonial-body {
  font-size: .92rem;
  color: var(--color-neutral-700);
  line-height: 1.85;
  margin-bottom: calc(var(--spacing) * 3);
  font-style: italic;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.testimonial-avatar svg { color: #fff; }
.testimonial-name { font-weight: 700; color: var(--color-primary-dark); font-size: .95rem; }
.testimonial-role { font-size: .8rem; color: var(--color-neutral-500); }
.stars {
  display: flex;
  gap: 2px;
  margin-bottom: 12px;
}
.stars svg { color: var(--color-accent); }

/* ===== Page Hero (inner pages) ===== */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: #fff;
  padding: calc(var(--spacing) * 12) 0 calc(var(--spacing) * 10);
  text-align: center;
}
.page-hero h1 { color: #fff; margin-bottom: 12px; }
.page-hero p { color: rgba(255,255,255,.8); font-size: 1.05rem; }
.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  font-size: .82rem;
  color: rgba(255,255,255,.6);
  margin-top: 16px;
}
.breadcrumb a { color: rgba(255,255,255,.8); }
.breadcrumb a:hover { color: #fff; }

/* ===== About ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--spacing) * 8);
  align-items: start;
}
.about-visual {
  border-radius: calc(var(--radius) * 2);
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary-light));
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
  color: #fff;
}
.about-visual svg { opacity: .5; }
.about-visual p { font-size: 1.1rem; opacity: .7; }
.info-table { width: 100%; border-collapse: collapse; }
.info-table th, .info-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-neutral-200);
  font-size: .92rem;
}
.info-table th {
  width: 36%;
  color: var(--color-neutral-500);
  font-weight: 600;
  background: var(--color-neutral-50);
}
.info-table td { color: var(--color-neutral-800); }

/* ===== Access / Map ===== */
.map-wrapper {
  border-radius: calc(var(--radius) * 2);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-neutral-200);
}
.map-wrapper iframe {
  width: 100%;
  height: 400px;
  border: none;
  display: block;
}
.access-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: calc(var(--spacing) * 3);
  margin-top: calc(var(--spacing) * 5);
}
.access-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: calc(var(--spacing) * 2);
  background: var(--color-neutral-50);
  border-radius: var(--radius);
  border: 1px solid var(--color-neutral-200);
}
.access-item svg { color: var(--color-primary); flex-shrink: 0; margin-top: 2px; }
.access-item-body h4 { font-size: .9rem; font-weight: 700; color: var(--color-primary-dark); margin-bottom: 4px; }
.access-item-body p { font-size: .85rem; color: var(--color-neutral-600); line-height: 1.6; }

/* ===== CTA Band ===== */
.cta-band {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
  padding: calc(var(--spacing) * 10) 0;
  text-align: center;
}
.cta-band h2 { color: #fff; margin-bottom: 16px; }
.cta-band p { color: rgba(255,255,255,.82); margin-bottom: calc(var(--spacing) * 4); font-size: 1.05rem; }

/* ===== Footer ===== */
.site-footer {
  background: var(--color-neutral-900);
  color: var(--color-neutral-400);
  padding: calc(var(--spacing) * 8) 0 calc(var(--spacing) * 4);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: calc(var(--spacing) * 6);
  padding-bottom: calc(var(--spacing) * 6);
  border-bottom: 1px solid var(--color-neutral-700);
  margin-bottom: calc(var(--spacing) * 4);
}
.footer-brand h3 {
  font-family: var(--font-heading);
  color: #fff;
  font-size: 1.1rem;
  margin-bottom: 8px;
}
.footer-brand p { font-size: .85rem; line-height: 1.8; }
.footer-col h4 {
  color: #fff;
  font-size: .9rem;
  margin-bottom: 16px;
  font-weight: 600;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  font-size: .85rem;
  color: var(--color-neutral-400);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--color-accent-light); }
.footer-bottom {
  text-align: center;
  font-size: .82rem;
  color: var(--color-neutral-600);
}

/* ===== Page nav highlight ===== */
.page-about .nav-about,
.page-services .nav-services,
.page-pricing .nav-pricing,
.page-testimonials .nav-testimonials,
.page-access .nav-access {
  color: var(--color-primary) !important;
  border-bottom-color: var(--color-primary) !important;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav-list {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 24px;
    gap: 0;
    border-bottom: 1px solid var(--color-neutral-200);
    box-shadow: var(--shadow-md);
  }
  .nav-list.open { display: flex; }
  .nav-list a {
    display: block;
    padding: 14px 0;
    border-bottom: 1px solid var(--color-neutral-100);
    border-left: none;
  }
  .nav-toggle { display: block; }
  .about-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: calc(var(--spacing) * 4); }
  .hero { padding: calc(var(--spacing) * 10) 0 calc(var(--spacing) * 8); }
}

@media (max-width: 480px) {
  .pricing-grid, .card-grid { grid-template-columns: 1fr; }
}