:root {
  --primary: #0F2027;
  --primary-light: #203A43;
  --primary-dark: #0a151a;
  --accent: #D4AF37;
  --accent-light: #F1C40F;
  --text: #333333;
  --text-light: #666666;
  --bg-light: #F8F9FA;
  --white: #FFFFFF;
  --font: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Segoe UI Emoji', 'Noto Sans JP', Meiryo, sans-serif;
  --radius: 6px;
  --transition: all 0.3s ease;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font);
  color: var(--text);
  line-height: 1.6;
}

body {
  background-color: var(--white);
  overflow-x: hidden;
}

/* Header & Navigation */
header {
  position: sticky;
  top: 0;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(5px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.05);
  z-index: 1000;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-img {
  height: 45px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--primary);
  font-weight: 600;
  font-size: 15px;
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--accent);
}

.nav-cta {
  background-color: var(--primary);
  color: var(--white) !important;
  padding: 10px 20px;
  border-radius: var(--radius);
  border: 2px solid var(--primary);
}

.nav-cta:hover {
  background-color: transparent !important;
  color: var(--primary) !important;
}

/* Mobile Menu Button */
.burger {
  display: none;
  cursor: pointer;
  background: none;
  border: none;
}

.burger span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--primary);
  margin: 5px 0;
  transition: var(--transition);
}

/* Hero Section */
.hero {
  position: relative;
  background-image: linear-gradient(rgba(15, 32, 39, 0.85), rgba(32, 58, 67, 0.85)), url('images/hero.jpg');
  background-size: cover;
  background-position: center;
  color: var(--white);
  padding: 140px 20px;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 42px;
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.3;
}

.hero p {
  font-size: 18px;
  margin-bottom: 40px;
  opacity: 0.9;
}

.cta-btn {
  display: inline-block;
  background-color: var(--accent);
  color: var(--primary);
  text-decoration: none;
  font-weight: 700;
  padding: 16px 36px;
  border-radius: var(--radius);
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
}

.cta-btn:hover {
  background-color: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212, 175, 55, 0.6);
}

/* Common Section Styling */
section {
  padding: 90px 20px;
}

.section-bg {
  background-color: var(--bg-light);
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 32px;
  color: var(--primary);
  margin-bottom: 15px;
  position: relative;
  display: inline-block;
  padding-bottom: 10px;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: var(--accent);
}

.section-header p {
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* Grid Layouts */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

/* Cards */
.card {
  background-color: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.05);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.card-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.card-content {
  padding: 25px;
}

.card-content h3 {
  color: var(--primary);
  font-size: 20px;
  margin-bottom: 12px;
}

.card-content p {
  color: var(--text-light);
  font-size: 15px;
}

/* Feature Row (Why Us) */
.feature-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.feature-item {
  text-align: center;
  padding: 20px;
}

.feature-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 20px;
  background-color: rgba(20, 58, 67, 0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-light);
  font-size: 24px;
}

.feature-item h3 {
  color: var(--primary);
  margin-bottom: 12px;
  font-size: 19px;
}

/* About Us Layout */
.about-layout {
  display: flex;
  align-items: center;
  gap: 60px;
}

.about-content {
  flex: 1;
}

.about-content p {
  margin-bottom: 20px;
  color: var(--text-light);
}

.about-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 25px;
}

.about-table td {
  padding: 12px 15px;
  border-bottom: 1px solid #EAEAEA;
}

.about-table td:first-child {
  font-weight: 700;
  color: var(--primary);
  width: 35%;
}

.about-image {
  flex: 1;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}

.about-image img {
  width: 100%;
  display: block;
}

/* Testimonials */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.testimonial-card {
  background-color: var(--white);
  padding: 40px;
  border-radius: var(--radius);
  box-shadow: 0 4px 20px rgba(0,0,0,0.03);
  border-left: 5px solid var(--accent);
}

.testimonial-text {
  font-style: italic;
  color: var(--text-light);
  margin-bottom: 20px;
  font-size: 15px;
}

.testimonial-user {
  font-weight: 700;
  color: var(--primary);
}

/* Lead Form Page & UI Settings */
.form-container {
  max-width: 650px;
  margin: 0 auto;
  background-color: var(--white);
  border-radius: var(--radius);
  padding: 50px 40px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.08);
  border-top: 5px solid var(--primary-light);
}

.form-group {
  margin-bottom: 24px;
}

.form-group-half {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 700;
  color: var(--primary);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"] {
  width: 100%;
  padding: 14px;
  border: 1px solid #CCCCCC;
  border-radius: var(--radius);
  font-size: 15px;
  transition: var(--transition);
  font-family: var(--font);
}

.form-group input:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(32, 58, 67, 0.15);
  outline: none;
}

.phone-wrapper {
  display: flex;
  align-items: center;
  border: 1px solid #CCCCCC;
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--white);
}

.phone-prefix {
  background-color: #EAEAEA;
  padding: 14px;
  font-weight: 700;
  color: var(--primary);
  border-right: 1px solid #CCCCCC;
  user-select: none;
}

.phone-wrapper input {
  border: none !important;
  flex: 1;
}

.phone-wrapper input:focus {
  box-shadow: none !important;
}

.consent-box {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 30px;
  margin-bottom: 30px;
}

.consent-box input {
  margin-top: 4px;
}

.consent-box label {
  font-size: 14px;
  color: var(--text-light);
}

.consent-box a {
  color: var(--primary);
  font-weight: 600;
}

.submit-button {
  width: 100%;
  background-color: var(--primary);
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  padding: 16px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
}

.submit-button:hover {
  background-color: var(--primary-light);
}

.submit-button:disabled {
  background-color: #CCCCCC;
  cursor: not-allowed;
}

.success-card {
  display: none;
  text-align: center;
  padding: 40px 20px;
}

.success-icon {
  font-size: 50px;
  color: #2ECC71;
  margin-bottom: 20px;
}

/* Footer layout */
footer {
  background-color: var(--primary);
  color: var(--white);
  padding: 60px 20px 40px;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 30px;
}

.footer-brand {
  max-width: 350px;
}

.footer-logo {
  height: 50px;
  filter: brightness(0) invert(1);
  margin-bottom: 15px;
}

.footer-brand p {
  opacity: 0.7;
  font-size: 14px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--white);
  opacity: 0.7;
  text-decoration: none;
  font-size: 14px;
  transition: var(--transition);
}

.footer-links a:hover {
  opacity: 1;
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 30px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-bottom p {
  font-size: 14px;
  opacity: 0.6;
}

.phone-request-text {
  font-size: 13px !important;
  opacity: 0.5 !important;
}

/* Legal Info Pages Container */
.legal-container {
  max-width: 900px;
  margin: 60px auto;
  padding: 0 20px;
}

.legal-container h1 {
  font-size: 32px;
  color: var(--primary);
  margin-bottom: 30px;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 10px;
}

.legal-container h2 {
  font-size: 22px;
  color: var(--primary-light);
  margin-top: 30px;
  margin-bottom: 15px;
}

.legal-container p, .legal-container ul {
  margin-bottom: 20px;
  color: var(--text-light);
  font-size: 15px;
}

.legal-container ul {
  padding-left: 20px;
}

.legal-container li {
  margin-bottom: 8px;
}

/* Responsiveness Media Queries */
@media (max-width: 992px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .feature-list {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-layout {
    flex-direction: column-reverse;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 75px;
    left: 0;
    width: 100%;
    background-color: var(--white);
    flex-direction: column;
    padding: 30px 20px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    gap: 20px;
  }
  .nav-links.active {
    display: flex;
  }
  .burger {
    display: block;
  }
  .hero h1 {
    font-size: 32px;
  }
  .grid-3, .grid-2, .feature-list {
    grid-template-columns: 1fr;
  }
  .form-group-half {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .form-container {
    padding: 30px 20px;
  }
}