:root {
  --bg: #f4efe7;
  --bg-strong: #eadfce;
  --surface: rgba(255, 255, 255, 0.72);
  --surface-strong: #fffaf4;
  --text: #231a12;
  --muted: #65584d;
  --line: rgba(35, 26, 18, 0.12);
  --accent: #0d5c4f;
  --accent-soft: #d8ece7;
  --shadow: 0 24px 80px rgba(44, 27, 17, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Outfit", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(13, 92, 79, 0.12), transparent 32%),
    radial-gradient(circle at top right, rgba(183, 140, 71, 0.15), transparent 26%),
    linear-gradient(180deg, #f8f4ed 0%, var(--bg) 100%);
}

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

.site-shell {
  min-height: 100vh;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 5vw;
  backdrop-filter: blur(16px);
  background: rgba(248, 244, 237, 0.74);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: var(--text);
  color: #fff;
}

.brand-text,
.site-nav a,
.button {
  text-transform: uppercase;
  font-size: 0.92rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-cta,
.button.primary {
  color: #fff;
  background: var(--accent);
  border: 1px solid var(--accent);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 22px;
  border-radius: 999px;
  border: 1px solid var(--line);
  transition: transform 180ms ease, background 180ms ease;
}

.button.secondary {
  background: var(--surface);
}

.button:hover,
.button:focus-visible,
.site-nav a:hover,
.site-nav a:focus-visible {
  transform: translateY(-1px);
}

.menu-button {
  display: none;
  width: 48px;
  height: 48px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  padding: 0;
}

.menu-button span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 6px auto;
  background: var(--text);
}

.mobile-nav {
  display: none;
}

main {
  padding: 24px 5vw 80px;
}

.hero,
.section {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.85fr);
  gap: 32px;
  align-items: stretch;
  padding: 54px 0 56px;
}

.hero-copy,
.hero-panel,
.service-card,
.strength-item,
.company-table,
.contact-card,
.quote-card {
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 48px;
  border-radius: 36px;
  background: linear-gradient(145deg, rgba(255, 250, 244, 0.94), rgba(255, 255, 255, 0.58));
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.8rem;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Noto Serif JP", serif;
  font-weight: 700;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.8rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(2rem, 3.6vw, 3.2rem);
  line-height: 1.18;
}

h3 {
  font-size: 1.35rem;
  line-height: 1.4;
}

.hero-text,
.section p,
.service-card p,
.strength-item p,
.contact-card p,
.company-table dd {
  color: var(--muted);
  line-height: 1.9;
  font-size: 1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.hero-panel {
  display: grid;
  gap: 18px;
  padding: 22px;
  border-radius: 36px;
  background: linear-gradient(180deg, rgba(13, 92, 79, 0.08), rgba(255, 250, 244, 0.92));
}

.stat-card,
.grid-card > div {
  border-radius: 28px;
  background: var(--surface-strong);
  border: 1px solid rgba(13, 92, 79, 0.12);
}

.stat-card {
  padding: 26px;
}

.stat-label {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.stat-card strong {
  display: block;
  font-size: 1.7rem;
  margin-bottom: 10px;
}

.grid-card {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.grid-card > div {
  padding: 20px;
}

.grid-card span,
.service-card span {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--accent);
  font-size: 0.9rem;
  letter-spacing: 0.16em;
}

.section {
  padding: 32px 0;
}

.section.alt {
  padding: 42px 0;
}

.section-heading {
  display: grid;
  gap: 12px;
  margin-bottom: 26px;
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
  gap: 24px;
  align-items: stretch;
}

.quote-card {
  display: grid;
  place-items: center;
  padding: 28px;
  border-radius: 30px;
  background: #221912;
}

.quote-card p {
  margin: 0;
  color: #f6eee5;
  font-family: "Noto Serif JP", serif;
  font-size: 1.35rem;
  line-height: 1.8;
}

.service-grid,
.strength-list {
  display: grid;
  gap: 18px;
}

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

.service-card,
.strength-item,
.contact-card,
.company-table {
  padding: 28px;
  border-radius: 28px;
  background: var(--surface);
}

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

.company-table {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px 28px;
}

.company-table div {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.company-table dt {
  margin-bottom: 10px;
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.contact-card {
  display: grid;
  gap: 18px;
  background: linear-gradient(145deg, rgba(255, 250, 244, 0.95), rgba(216, 236, 231, 0.8));
}

.contact-form {
  display: grid;
  gap: 16px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.form-field {
  display: grid;
  gap: 8px;
}

.form-field span {
  font-size: 0.9rem;
  color: var(--text);
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.88);
  color: var(--text);
  font: inherit;
}

.form-field textarea {
  resize: vertical;
  min-height: 160px;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: 2px solid rgba(13, 92, 79, 0.22);
  border-color: rgba(13, 92, 79, 0.4);
}

.site-footer {
  padding: 26px 5vw 50px;
  text-align: center;
  color: var(--muted);
}

@media (max-width: 980px) {
  .site-nav {
    display: none;
  }

  .menu-button {
    display: inline-block;
  }

  .mobile-nav {
    display: none;
    grid-template-columns: 1fr;
    gap: 12px;
    width: min(1180px, calc(100% - 10vw));
    margin: 16px auto 0;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: rgba(255, 250, 244, 0.94);
    box-shadow: var(--shadow);
  }

  .mobile-nav.is-open {
    display: grid;
  }

  .hero,
  .about-layout,
  .service-grid,
  .strength-list,
  .company-table,
  .form-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .site-header,
  main,
  .site-footer {
    padding-left: 20px;
    padding-right: 20px;
  }

  .hero {
    padding-top: 26px;
  }

  .hero-copy,
  .hero-panel,
  .service-card,
  .strength-item,
  .company-table,
  .contact-card,
  .quote-card {
    padding: 22px;
    border-radius: 24px;
  }

  h1 {
    font-size: 2.5rem;
  }
}