:root {
  --green: #2f6b3f;
  --green-dark: #1f4f2e;
  --green-light: #e8f3ea;
  --beige: #f6f0e4;
  --brown: #7a5535;
  --text: #223026;
  --muted: #6a766d;
  --white: #ffffff;
  --border: #dce5dc;
  --shadow: 0 18px 45px rgba(34, 48, 38, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "Yu Gothic UI", "Noto Sans JP", sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.8;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 6%;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: 28px;
  font-weight: 800;
  color: var(--green);
  letter-spacing: 0.02em;
}

.nav {
  display: flex;
  gap: 28px;
  font-size: 14px;
  font-weight: 700;
}

.nav a:hover,
.footer-nav a:hover {
  color: var(--green);
}

.menu-button {
  display: none;
  border: none;
  background: var(--green);
  color: var(--white);
  font-size: 24px;
  border-radius: 10px;
  padding: 6px 12px;
}

.hero {
  position: relative;
  min-height: 760px;
  display: flex;
  align-items: center;
  padding: 120px 6%;
  background:
    linear-gradient(120deg, rgba(20, 55, 30, 0.82), rgba(47, 107, 63, 0.50)),
    url("https://images.unsplash.com/photo-1500651230702-0e2d8a49d4ad?auto=format&fit=crop&w=1800&q=80") center/cover;
  color: var(--white);
}

.hero-content {
  position: relative;
  max-width: 880px;
}

.eyebrow {
  color: var(--green);
  font-weight: 800;
  letter-spacing: 0.12em;
  font-size: 13px;
  margin: 0 0 10px;
}

.hero .eyebrow {
  color: #c8f3ce;
}

.hero h1 {
  font-size: clamp(40px, 7vw, 82px);
  line-height: 1.18;
  margin: 0 0 24px;
  letter-spacing: -0.05em;
}

.hero-text {
  max-width: 760px;
  font-size: 20px;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 14px 24px;
  border-radius: 999px;
  font-weight: 800;
  border: 2px solid transparent;
  transition: 0.2s ease;
  cursor: pointer;
}

.button.primary {
  background: var(--green);
  color: var(--white);
}

.hero .button.primary {
  background: var(--white);
  color: var(--green-dark);
}

.button.secondary {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.7);
  color: var(--white);
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.section {
  padding: 96px 6%;
}

.section.muted {
  background: var(--beige);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 42px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.35;
  letter-spacing: -0.03em;
}

.section-heading p:last-child {
  color: var(--muted);
}

.two-column {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 42px;
  align-items: start;
}

.message-card,
.card,
.contact-info,
.overview table {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.message-card {
  padding: 34px;
  border-left: 8px solid var(--green);
}

.message-card h3 {
  margin-top: 0;
  color: var(--green-dark);
}

.cards {
  display: grid;
  gap: 22px;
}

.cards.four {
  grid-template-columns: repeat(4, 1fr);
}

.cards.three {
  grid-template-columns: repeat(3, 1fr);
}

.card {
  padding: 28px;
}

.card h3 {
  margin: 8px 0 12px;
  font-size: 20px;
  color: var(--green-dark);
}

.card p {
  margin-bottom: 0;
  color: var(--muted);
}

.icon {
  display: inline-flex;
  font-size: 34px;
  margin-bottom: 8px;
}

.flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  gap: 14px;
  align-items: stretch;
}

.flow-step {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 26px;
  box-shadow: var(--shadow);
}

.flow-step span {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--green);
  color: var(--white);
  font-weight: 800;
}

.flow-step h3 {
  margin: 14px 0 6px;
  color: var(--green-dark);
}

.flow-step p {
  margin: 0;
  color: var(--muted);
}

.flow-arrow {
  display: grid;
  place-items: center;
  font-size: 28px;
  font-weight: 800;
  color: var(--green);
}

.benefit ul {
  padding-left: 1.2em;
  margin-bottom: 0;
}

.benefit li {
  margin: 8px 0;
}

.overview {
  overflow-x: auto;
}

.overview table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
}

.overview th,
.overview td {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.overview th {
  width: 220px;
  background: var(--green-light);
  color: var(--green-dark);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 30px;
  align-items: start;
}

.contact-form {
  display: grid;
  gap: 18px;
  padding: 30px;
  background: var(--beige);
  border-radius: 24px;
  border: 1px solid var(--border);
}

.contact-form label {
  display: grid;
  gap: 8px;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 16px;
  font: inherit;
  background: var(--white);
}

textarea {
  resize: vertical;
}

.form-note,
.small {
  font-size: 13px;
  color: var(--muted);
}

.contact-info {
  padding: 30px;
}

.contact-info h3 {
  margin-top: 0;
  color: var(--green-dark);
}

.site-footer {
  padding: 42px 6%;
  background: var(--green-dark);
  color: var(--white);
}

.footer-logo {
  color: var(--white);
}

.footer-nav {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  margin: 24px 0;
  font-weight: 700;
}

.copyright {
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
}

@media (max-width: 980px) {
  .cards.four,
  .cards.three,
  .two-column,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .flow {
    grid-template-columns: 1fr;
  }

  .flow-arrow {
    transform: rotate(90deg);
  }
}

@media (max-width: 720px) {
  .site-header {
    padding: 14px 5%;
  }

  .menu-button {
    display: block;
  }

  .nav {
    position: absolute;
    top: 66px;
    left: 5%;
    right: 5%;
    display: none;
    flex-direction: column;
    gap: 0;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: var(--shadow);
    overflow: hidden;
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    padding: 16px 18px;
    border-bottom: 1px solid var(--border);
  }

  .hero {
    min-height: 680px;
    padding: 90px 5%;
  }

  .hero h1 {
    font-size: 40px;
  }

  .hero-text {
    font-size: 17px;
  }

  .section {
    padding: 70px 5%;
  }

  .overview th,
  .overview td {
    display: block;
    width: 100%;
  }

  .overview th {
    padding-bottom: 8px;
  }

  .overview td {
    padding-top: 8px;
  }
}
.logo {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 44px;
  width: auto;
  display: block;
}

.footer-logo-img {
  height: 42px;
  width: auto;
  display: block;
}
.hero-notice {
  display: inline-block;
  margin: 0 0 28px;
  padding: 12px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--green-dark);
  font-weight: 800;
  font-size: 15px;
}