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

:root {
  --green-900: #1a3c2a;
  --green-700: #2d6a4f;
  --green-600: #40916c;
  --green-500: #52b788;
  --green-100: #d8f3dc;
  --green-50: #f0faf3;
  --gold-500: #c9a227;
  --gold-100: #fdf6e3;
  --gray-900: #1a1a1a;
  --gray-700: #4a4a4a;
  --gray-500: #777;
  --gray-300: #ccc;
  --gray-100: #f5f5f5;
  --white: #fff;
  --radius: 8px;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 4px 24px rgba(0, 0, 0, 0.12);
  --max-w: 1300px;
  --font: 'Helvetica Neue', 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', sans-serif;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}
body {
  font-family: var(--font);
  color: var(--gray-900);
  line-height: 1.7;
}
a {
  color: var(--green-700);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
ul {
  list-style: none;
}
img {
  max-width: 100%;
}

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

/* ===== Header ===== */
.header {
  background: var(--white);
  border-bottom: 1px solid var(--gray-300);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--green-700);
  letter-spacing: 0.02em;
}
.nav-list {
  display: flex;
  gap: 14px;
  font-size: 0.8rem;
  white-space: nowrap;
}
.nav-list a {
  color: var(--gray-700);
}
.nav-list a:hover {
  color: var(--green-700);
}
.nav-list a[aria-current='page'] {
  color: var(--green-700);
  font-weight: 700;
  border-bottom: 2px solid var(--green-500);
  padding-bottom: 2px;
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--gray-700);
}

/* ===== Hero ===== */
.hero {
  background:
    linear-gradient(rgba(26, 60, 42, 0.65), rgba(45, 106, 79, 0.6)),
    url('hero.jpg') center/cover no-repeat;
  color: var(--white);
  text-align: center;
  padding: 100px 20px;
}
.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}
.hero-lead {
  font-size: 1.2rem;
  margin-bottom: 8px;
}
.hero-sub {
  font-size: 0.95rem;
  opacity: 0.85;
}
.hero-actions {
  margin-top: 32px;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 40px;
  background: var(--white);
  color: var(--green-700);
  font-size: 1.05rem;
  font-weight: 700;
  border-radius: var(--radius);
  text-decoration: none;
  box-shadow: var(--shadow-lg);
  transition:
    background 0.2s,
    transform 0.2s;
}
.hero-cta:hover {
  background: var(--green-50);
  transform: translateY(-2px);
  text-decoration: none;
}
.hero-cta:active {
  transform: translateY(0);
}

/* ===== CTA Bottom ===== */
.section.cta-bottom {
  text-align: center;
  background: var(--green-900);
  color: var(--white);
  padding: 64px 20px;
}
.cta-bottom-lead {
  font-size: 1.2rem;
  margin-bottom: 24px;
  opacity: 0.9;
}

/* ===== Section ===== */
.section {
  padding: 64px 0;
}
.section-alt {
  background: var(--gray-100);
}
.section-title {
  font-size: 1.6rem;
  text-align: center;
  margin-bottom: 12px;
  color: var(--green-900);
}
.section-desc {
  text-align: center;
  color: var(--gray-500);
  margin-bottom: 40px;
}

h3 {
  font-size: 1.1rem;
  color: var(--green-700);
  margin: 32px 0 12px;
}
.section ul {
  padding-left: 1.2em;
}
.section ul li {
  margin-bottom: 6px;
  position: relative;
  padding-left: 1em;
}
.section ul li::before {
  content: '\2022';
  color: var(--green-500);
  position: absolute;
  left: 0;
}

.service-intro {
  margin-bottom: 24px;
}
.service-intro p {
  margin-bottom: 12px;
}

/* ===== Features ===== */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-top: 16px;
}
.feature-card {
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow);
}
.feature-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}
.feature-card h4 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: var(--green-900);
}

/* ===== Pricing ===== */
.pricing-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.pricing-card {
  background: var(--white);
  border: 2px solid var(--gray-300);
  border-radius: var(--radius);
  padding: 36px 24px;
  text-align: center;
  position: relative;
  box-shadow: var(--shadow);
}
.pricing-card h3 {
  color: var(--green-900);
  margin: 0 0 16px;
}
.pricing-card-popular {
  border-color: var(--green-500);
}
.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--green-500);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 20px;
}
.price {
  margin-bottom: 4px;
}
.price-num {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--green-900);
}
.price-unit {
  font-size: 0.9rem;
  color: var(--gray-700);
}
.price-tax {
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-bottom: 20px;
}
.pricing-card ul {
  text-align: left;
}
.pricing-card ul li {
  margin-bottom: 8px;
}

/* ===== Payment ===== */
.payment-info {
  max-width: 700px;
  margin: 0 auto;
}
.payment-info h3 {
  text-align: center;
}
.payment-info p {
  margin-bottom: 10px;
}
.note {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-top: 16px;
}

/* ===== Legal pages (shared) ===== */
.legal {
  padding: 48px 0 64px;
}
.legal h1 {
  font-size: 1.5rem;
  color: var(--green-900);
  margin-bottom: 32px;
  text-align: center;
}
.legal h2 {
  font-size: 1.15rem;
  color: var(--green-700);
  margin: 28px 0 10px;
  border-left: 4px solid var(--green-500);
  padding-left: 12px;
}
.legal p,
.legal li {
  margin-bottom: 8px;
}
.legal ul {
  padding-left: 1.2em;
}
.legal ul li {
  padding-left: 1em;
  position: relative;
}
.legal ul li::before {
  content: '\2022';
  color: var(--green-500);
  position: absolute;
  left: 0;
}
.legal table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
}
.legal th,
.legal td {
  border: 1px solid var(--gray-300);
  padding: 10px 14px;
  text-align: left;
  font-size: 0.9rem;
}
.legal th {
  background: var(--green-50);
  color: var(--green-900);
  font-weight: 600;
  white-space: nowrap;
}

/* ===== Contact ===== */
.contact-box {
  max-width: 600px;
  margin: 0 auto;
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  padding: 40px 32px;
  box-shadow: var(--shadow);
  text-align: center;
}
.contact-box p {
  margin-bottom: 12px;
}
.contact-email {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--green-700);
}

/* ===== Footer ===== */
.footer {
  background: var(--green-900);
  color: var(--green-100);
  padding: 32px 0;
  text-align: center;
  font-size: 0.85rem;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-bottom: 16px;
}
.footer-links a {
  color: var(--green-100);
}
.footer-links a:hover {
  color: var(--white);
}
.footer-copy {
  opacity: 0.7;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  /* Nav: hamburger menu */
  .nav-list {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-300);
    padding: 16px 20px;
    gap: 12px;
  }
  .nav-list.open {
    display: flex;
  }
  .nav-toggle {
    display: block;
  }

  /* Hero: prevent awkward line breaks */
  .hero {
    padding: 48px 16px;
  }
  .hero h1 {
    font-size: 1.5rem;
    letter-spacing: 0.02em;
  }
  .hero-lead {
    font-size: 0.95rem;
  }
  .hero-sub {
    font-size: 0.85rem;
  }
  .hero-actions {
    margin-top: 24px;
  }
  .hero-cta {
    width: 100%;
    max-width: 320px;
    font-size: 1rem;
    padding: 12px 24px;
  }
  .section.cta-bottom {
    padding: 48px 16px;
  }
  .cta-bottom-lead {
    font-size: 1rem;
    margin-bottom: 20px;
  }

  /* Section: consistent spacing & font size */
  .section {
    padding: 40px 0;
  }
  .section-title {
    font-size: 1.3rem;
    margin-bottom: 8px;
  }
  .section-desc {
    font-size: 0.9rem;
    margin-bottom: 24px;
  }
  .container {
    padding: 0 16px;
  }
  h3 {
    font-size: 1rem;
    margin: 24px 0 8px;
  }
  .service-intro p,
  .section p,
  .section li {
    font-size: 0.9rem;
  }

  /* Features: stack on narrow */
  .features {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .feature-card {
    padding: 20px 16px;
  }

  /* Pricing: single column, consistent sizing */
  .pricing-cards {
    grid-template-columns: 1fr;
    max-width: 100%;
    gap: 16px;
  }
  .pricing-card {
    padding: 28px 20px;
  }
  .pricing-card h3 {
    font-size: 1.05rem;
  }
  .price-num {
    font-size: 1.8rem;
  }
  .price-unit {
    font-size: 0.85rem;
  }
  .pricing-card li {
    font-size: 0.9rem;
  }

  /* Payment */
  .payment-info p {
    font-size: 0.9rem;
  }

  /* Legal pages */
  .legal {
    padding: 32px 0 48px;
  }
  .legal h1 {
    font-size: 1.25rem;
    margin-bottom: 24px;
  }
  .legal h2 {
    font-size: 1.05rem;
  }
  .legal p,
  .legal li {
    font-size: 0.9rem;
  }
  .legal th,
  .legal td {
    padding: 8px 10px;
    font-size: 0.85rem;
  }
  .legal th {
    white-space: normal;
  }

  /* Contact */
  .contact-box {
    padding: 24px 16px;
  }

  /* Footer */
  .footer {
    padding: 24px 0;
  }
  .footer-links {
    gap: 12px;
    font-size: 0.8rem;
  }
}