:root {
  --leaf: #5c8a52;
  --leaf-deep: #2f4a2b;
  --leaf-soft: #e8f0e4;
  --mist: #f7faf5;
  --ink: #243028;
  --muted: #5a7355;
  --line: #d5e0d2;
  --white: #ffffff;
  --max: 1040px;
  --header-h: 68px;
  --font-serif: "Noto Serif SC", "Songti SC", "STSong", serif;
  --font-sans: "Source Sans 3", "PingFang SC", "Noto Sans SC", sans-serif;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--leaf); text-decoration: none; }
a:hover { color: var(--leaf-deep); }

img { max-width: 100%; display: block; }

.wrap {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 250, 245, 0.72);
  backdrop-filter: blur(10px);
  transition: background 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  background: rgba(247, 250, 245, 0.92);
  border-bottom-color: var(--line);
  box-shadow: 0 8px 24px rgba(47, 74, 43, 0.06);
}

.header-inner {
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--leaf-deep);
  font-size: 1.15rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.35rem;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 500;
}

.site-nav a:hover { color: var(--leaf-deep); }

.nav-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.15rem;
  background: var(--leaf);
  color: var(--white) !important;
  border: 1px solid var(--leaf);
  border-radius: 2px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.nav-cta:hover,
.btn:hover {
  background: var(--leaf-deep);
  border-color: var(--leaf-deep);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--leaf-deep) !important;
}

.btn-ghost:hover {
  background: rgba(92, 138, 82, 0.1);
  color: var(--leaf-deep) !important;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 0;
  background: transparent;
  padding: 10px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--leaf-deep);
  margin: 6px 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

/* Hero — centered ceremonial */
.hero {
  min-height: calc(100vh - var(--header-h));
  display: grid;
  place-items: center;
  text-align: center;
  padding: 4rem 0 5rem;
  background:
    radial-gradient(ellipse 80% 55% at 50% 0%, rgba(92, 138, 82, 0.16), transparent 70%),
    linear-gradient(180deg, var(--leaf-soft) 0%, var(--mist) 52%, var(--white) 100%);
}

.hero-kicker {
  margin: 0 0 0.85rem;
  font-size: 0.82rem;
  letter-spacing: 0.22em;
  color: var(--muted);
}

.hero-brand {
  margin: 0 0 1rem;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(2.8rem, 7vw, 3.8rem);
  letter-spacing: 0.22em;
  color: var(--leaf-deep);
}

.hero-lead {
  margin: 0 auto 0.85rem;
  max-width: 28rem;
  color: var(--leaf-deep);
  font-size: 1.12rem;
  font-weight: 500;
}

.hero-sub {
  margin: 0 auto 1.85rem;
  max-width: 30rem;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Sections */
.section { padding: 5rem 0; }

.section h2 {
  margin: 0 0 0.75rem;
  text-align: center;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.5rem, 3vw, 1.85rem);
  letter-spacing: 0.08em;
  color: var(--leaf-deep);
}

.section-lead {
  margin: 0 auto 2.5rem;
  max-width: 34rem;
  text-align: center;
  color: var(--muted);
}

.about {
  background: var(--mist);
  border-block: 1px solid var(--line);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 2rem;
  align-items: start;
}

.about-copy {
  display: grid;
  gap: 1rem;
}

.about-text {
  margin: 0;
  color: var(--muted);
}

.about-meta {
  list-style: none;
  margin: 0;
  padding: 1.25rem 1.35rem;
  display: grid;
  gap: 0.95rem;
  background: var(--white);
  border: 1px solid var(--line);
}

.about-meta span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  margin-bottom: 0.15rem;
  letter-spacing: 0.04em;
}

.principles {
  background: var(--white);
}

.principle-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}

.principle-list article {
  padding: 1.6rem 1.35rem;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

.principle-list article:nth-child(3n) { border-right: none; }

.principle-list h3,
.service-grid h3,
.approach-steps h3,
.suitable-grid h3 {
  margin: 0 0 0.55rem;
  font-family: var(--font-serif);
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--leaf-deep);
}

.principle-list p,
.service-grid p,
.approach-steps p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}

.service-grid article {
  padding: 1.5rem 1.25rem 1.65rem;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

.service-grid article:nth-child(3n) { border-right: none; }

.service-grid ul,
.suitable-grid ul {
  margin: 1rem 0 0;
  padding: 0 0 0 1.05rem;
  color: var(--ink);
  font-size: 0.9rem;
  line-height: 1.75;
}

.service-grid li,
.suitable-grid li {
  margin-bottom: 0.2rem;
  color: var(--muted);
}

.approach {
  background: var(--mist);
  border-block: 1px solid var(--line);
}

.approach-steps {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 42rem;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.approach-steps li {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1.35rem 0.25rem;
  border-bottom: 1px solid var(--line);
}

.step-num {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  letter-spacing: 0.08em;
  color: var(--leaf);
  font-weight: 600;
  line-height: 1.4;
}

.suitable {
  background: var(--white);
}

.suitable-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
}

.suitable-grid article {
  padding: 1.6rem 1.4rem;
  border-bottom: 1px solid var(--line);
}

.suitable-grid article:first-child {
  border-right: 1px solid var(--line);
}

.contact {
  background: linear-gradient(180deg, var(--mist), #eef5ea);
  text-align: center;
}

.contact-list {
  margin: 0 auto 1.5rem;
  max-width: 30rem;
  text-align: left;
  display: grid;
  gap: 1.1rem;
}

.contact-list dt {
  color: var(--muted);
  font-size: 0.8rem;
  margin-bottom: 0.2rem;
}

.contact-list dd {
  margin: 0;
  color: var(--ink);
  line-height: 1.65;
}

.contact-en {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

.footer-en {
  color: var(--muted);
  font-size: 0.8rem;
  margin-top: 0.2rem !important;
}

.contact-note {
  margin: 0 auto 1.35rem;
  max-width: 32rem;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

.contact-mail {
  margin-inline: auto;
}

.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--line);
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  background: var(--white);
}

.site-footer p { margin: 0.25rem 0; }

.footer-inner {
  display: grid;
  gap: 1rem;
  justify-items: center;
}

.footer-logo {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  letter-spacing: 0.18em;
  color: var(--leaf-deep);
  font-weight: 600;
  margin-bottom: 0.2rem !important;
}

/* Reveal motion */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .nav-cta:hover,
  .btn:hover { transform: none; }
}

@media (max-width: 800px) {
  .about-grid,
  .service-grid,
  .principle-list,
  .suitable-grid { grid-template-columns: 1fr; }
  .service-grid article,
  .principle-list article { border-right: none; }
  .suitable-grid article:first-child { border-right: none; }
  .approach-steps li {
    grid-template-columns: 3rem 1fr;
    gap: 0.75rem;
  }
  .nav-toggle { display: inline-block; }
  .site-nav {
    position: absolute;
    inset: var(--header-h) 0 auto 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem 1.25rem 1rem;
    background: rgba(247, 250, 245, 0.98);
    border-bottom: 1px solid var(--line);
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 0.85rem 0; border-bottom: 1px solid var(--line); }
  .site-nav .nav-cta {
    margin-top: 0.75rem;
    border-bottom: 0;
    text-align: center;
  }
  .site-header { position: sticky; }
  .header-inner { position: relative; }
}

/* Legal / Privacy Policy page */
.page-legal {
  background: var(--mist);
}

.legal-main {
  padding: 2.5rem 0 4rem;
}

.legal-doc {
  max-width: 46rem;
  background: var(--white);
  border: 1px solid var(--line);
  padding: clamp(1.75rem, 4vw, 2.75rem);
}

.legal-hero {
  margin-bottom: 2.25rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}

.legal-kicker {
  margin: 0 0 0.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.legal-hero h1 {
  margin: 0 0 0.35rem;
  font-family: var(--font-serif);
  font-size: clamp(1.85rem, 4vw, 2.35rem);
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--leaf-deep);
}

.legal-en-title {
  margin: 0 0 1.1rem;
  color: var(--muted);
  font-size: 1rem;
  letter-spacing: 0.04em;
}

.legal-meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.legal-section {
  margin-bottom: 1.85rem;
}

.legal-section h2 {
  margin: 0 0 0.75rem;
  text-align: left;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--leaf-deep);
}

.legal-section h3 {
  margin: 1.1rem 0 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
}

.legal-section p,
.legal-section li {
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.8;
}

.legal-section p { margin: 0 0 0.75rem; }

.legal-section ul {
  margin: 0 0 0.75rem;
  padding-left: 1.2rem;
}

.legal-section li { margin-bottom: 0.35rem; }

.legal-section strong { color: var(--ink); font-weight: 600; }

.legal-note {
  padding: 0.9rem 1rem;
  background: var(--mist);
  border-left: 3px solid var(--leaf);
  font-size: 0.9rem !important;
}

.legal-contact {
  list-style: none;
  padding-left: 0 !important;
}

.legal-contact li {
  margin-bottom: 0.85rem !important;
  line-height: 1.7;
}

.legal-en {
  margin-top: 2.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--line);
}

.legal-back {
  margin: 2rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.legal-back a {
  font-weight: 500;
  color: var(--leaf-deep);
}