:root {
  --fern-green: #4A5F4A;
  --fern-green-light: #6B8E6B;
  --fern-green-dark: #3A4A3A;
  --beige: #EDE4D9;
  --beige-light: #F5F0E8;
  --warm-beige: #D4C5B0;
  --white: #FAF9F6;
  --off-white: #F7F5F0;
  --text-dark: #2C2C2C;
  --text-medium: #4A4A4A;
  --text-light: #6B6B6B;
  --accent: #8B9D7D;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.1);
}

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

body {
  font-family: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text-dark);
  background-color: var(--white);
  line-height: 1.7;
  font-size: 16px;
}

h1, h2, h3 {
  font-weight: 400;
  letter-spacing: 0.02em;
}

h1 {
  font-size: 2.8rem;
  line-height: 1.2;
}

h2 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: var(--fern-green-dark);
}

h3 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
  color: var(--text-dark);
}

p {
  margin-bottom: 1rem;
  color: var(--text-medium);
}

a {
  color: var(--fern-green);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--fern-green-dark);
}

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

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--white);
  border-bottom: 1px solid var(--beige);
  z-index: 1000;
  padding: 0 2rem;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  height: 42px;
  width: auto;
}

.logo-text {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--fern-green-dark);
  letter-spacing: 0.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  color: var(--text-medium);
  font-weight: 400;
  padding: 8px 0;
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--fern-green);
  transition: width 0.3s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 5px;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background-color: var(--text-dark);
  transition: 0.3s;
}

/* Hero */
.hero {
  position: relative;
  height: 100vh;
  min-height: 620px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--beige-light);
  overflow: hidden;
  margin-top: 72px;
}

.hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgba(250, 249, 246, 0.55) 0%,
    rgba(250, 249, 246, 0.35) 40%,
    rgba(250, 249, 246, 0.75) 100%
  );
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 720px;
  padding: 0 2rem;
  text-align: center;
}

.hero h1 {
  color: var(--fern-green-dark);
  margin-bottom: 1rem;
  font-size: 3.2rem;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-medium);
  max-width: 520px;
  margin: 0 auto 2.5rem;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 4px;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  text-decoration: none;
}

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

.btn-primary:hover {
  background-color: var(--fern-green-dark);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--fern-green-dark);
  border: 1px solid var(--fern-green);
}

.btn-secondary:hover {
  background-color: var(--fern-green);
  color: var(--white);
}

/* Sections */
.section {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  margin-bottom: 0.75rem;
}

.section-header p {
  max-width: 580px;
  margin: 0 auto;
  font-size: 1.05rem;
  color: var(--text-light);
}

/* Grid layouts */
.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.image-card {
  background: var(--off-white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.image-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.image-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-bottom: 1px solid var(--beige);
}

.card-content {
  padding: 1.25rem;
}

.card-content h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.card-content p {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 0;
}

/* Two column */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.two-col.reverse {
  direction: rtl;
}

.two-col.reverse > * {
  direction: ltr;
}

.two-col img {
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.two-col .text-content h2 {
  text-align: left;
}

@media (max-width: 768px) {
  .two-col {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* Plant cards */
.plant-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.75rem;
}

.plant-card {
  background: var(--white);
  border: 1px solid var(--beige);
  border-radius: 6px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.plant-card:hover {
  border-color: var(--fern-green-light);
  box-shadow: var(--shadow);
}

.plant-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.plant-info {
  padding: 1.1rem;
}

.plant-info h4 {
  font-size: 1rem;
  margin-bottom: 0.35rem;
  color: var(--fern-green-dark);
}

.plant-info .plant-name {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 0.5rem;
}

.plant-info p {
  font-size: 0.875rem;
  line-height: 1.55;
  margin-bottom: 0;
}

/* Care tips */
.tips-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.tip-item {
  display: flex;
  gap: 1.25rem;
  background: var(--off-white);
  padding: 1.5rem;
  border-radius: 8px;
  border-left: 4px solid var(--fern-green);
}

.tip-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: 6px;
  overflow: hidden;
}

.tip-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tip-content h4 {
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
}

.tip-content p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* About */
.about-content {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}

.about-content p {
  font-size: 1.05rem;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 2rem;
}

.contact-info {
  background: var(--beige-light);
  padding: 2.5rem;
  border-radius: 8px;
}

.contact-info h3 {
  margin-bottom: 1.5rem;
}

.contact-info p {
  margin-bottom: 1rem;
}

.contact-info .info-item {
  margin-bottom: 1.25rem;
}

.contact-info .info-item strong {
  display: block;
  font-weight: 500;
  color: var(--fern-green-dark);
  margin-bottom: 0.25rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid var(--beige);
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--white);
  transition: border-color 0.2s;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--fern-green-light);
}

.contact-form textarea {
  min-height: 140px;
  resize: vertical;
}

.form-success {
  display: none;
  background: var(--fern-green-light);
  color: var(--white);
  padding: 1rem;
  border-radius: 4px;
  text-align: center;
  margin-top: 1rem;
}

/* Footer */
.footer {
  background-color: var(--fern-green-dark);
  color: var(--beige-light);
  padding: 3rem 2rem 2rem;
  margin-top: 3rem;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2.5rem;
}

.footer h4 {
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  letter-spacing: 0.5px;
}

.footer p, .footer a {
  color: var(--beige-light);
  font-size: 0.875rem;
  line-height: 1.6;
}

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

.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.15);
  text-align: center;
  font-size: 0.8rem;
  opacity: 0.8;
}

@media (max-width: 900px) {
  .footer-container {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 1.5rem 2rem;
    box-shadow: var(--shadow);
    gap: 1rem;
    border-bottom: 1px solid var(--beige);
  }

  .nav-links.active {
    display: flex;
  }

  .hamburger {
    display: flex;
  }

  .hero h1 {
    font-size: 2.4rem;
  }

  .section {
    padding: 3.5rem 1.5rem;
  }

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

  .footer-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* Smooth scroll */
html {
  scroll-behavior: smooth;
}

/* Subtle animations */
.image-card, .plant-card, .tip-item {
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

/* Accessibility */
:focus-visible {
  outline: 2px solid var(--fern-green);
  outline-offset: 2px;
}

/* ========= ADDITIONAL STYLES FOR MULTI-PAGE SITE ========= */

/* Page Hero (inner pages) */
.page-hero {
  position: relative;
  height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-top: 72px;
}
.page-hero-image {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 1;
}
.page-hero-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(to bottom, rgba(58,74,58,0.5) 0%, rgba(58,74,58,0.3) 50%, rgba(58,74,58,0.65) 100%);
  z-index: 2;
}
.page-hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: 0 2rem;
}
.page-hero-content h1 {
  font-size: 2.6rem;
  color: #FAF9F6;
  font-weight: 300;
  letter-spacing: 0.05em;
  text-shadow: 0 2px 12px rgba(0,0,0,0.18);
}
.page-hero-content p {
  color: rgba(250,249,246,0.88);
  font-size: 1.05rem;
  margin-top: 0.75rem;
  text-shadow: 0 1px 6px rgba(0,0,0,0.18);
}

/* Breadcrumb */
.breadcrumb {
  background: var(--beige-light);
  padding: 0.75rem 2rem;
  border-bottom: 1px solid var(--beige);
}
.breadcrumb-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  gap: 0.5rem;
  align-items: center;
  color: var(--text-light);
  font-size: 0.85rem;
}
.breadcrumb-inner a { color: var(--fern-green); }
.breadcrumb-sep { color: var(--warm-beige); }

/* Gallery grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}
.gallery-item {
  overflow: hidden;
  border-radius: 8px;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow);
  cursor: pointer;
  position: relative;
}
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.gallery-item:hover img { transform: scale(1.06); }
.gallery-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(58,74,58,0.75));
  color: #FAF9F6;
  padding: 1.5rem 1rem 0.75rem;
  font-size: 0.875rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.gallery-item:hover .gallery-caption { opacity: 1; }

/* Service cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
  margin-top: 2rem;
}
.service-card {
  background: var(--off-white);
  border-radius: 10px;
  padding: 2rem 1.75rem;
  border-top: 3px solid var(--fern-green);
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.service-card h3 { color: var(--fern-green-dark); margin-bottom: 0.75rem; }
.service-icon {
  font-size: 1.75rem;
  margin-bottom: 1rem;
  display: inline-block;
  background: var(--beige);
  width: 52px; height: 52px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.service-price {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--fern-green);
  font-weight: 500;
}

/* CTA banner */
.cta-banner {
  background: linear-gradient(135deg, var(--fern-green-dark) 0%, var(--fern-green) 100%);
  padding: 4.5rem 2rem;
  text-align: center;
  margin-top: 0;
}
.cta-banner h2 { color: #FAF9F6; margin-bottom: 1rem; }
.cta-banner p { color: rgba(250,249,246,0.88); max-width: 520px; margin: 0 auto 2rem; }
.cta-banner .btn-secondary {
  border-color: rgba(250,249,246,0.7);
  color: #FAF9F6;
}
.cta-banner .btn-secondary:hover {
  background: rgba(250,249,246,0.15);
}

/* Season tabs */
.season-tabs {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}
.season-tab {
  display: inline-block;
  padding: 8px 22px;
  border: 1px solid var(--fern-green);
  border-radius: 30px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--fern-green);
  text-decoration: none;
}
.season-tab:hover, .season-tab.active {
  background: var(--fern-green);
  color: var(--white);
}

/* Care tip steps */
.care-steps {
  counter-reset: step-counter;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.care-step {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  background: var(--off-white);
  border-radius: 10px;
  padding: 1.75rem;
  box-shadow: var(--shadow);
}
.care-step-number {
  counter-increment: step-counter;
  flex-shrink: 0;
  width: 48px; height: 48px;
  background: var(--fern-green);
  color: var(--white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  font-weight: 500;
}
.care-step-content h3 { margin-bottom: 0.5rem; }
.care-step-content p { margin-bottom: 0; }

/* Team / about cards */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}
.value-card {
  background: var(--beige-light);
  border-radius: 8px;
  padding: 1.75rem;
  text-align: center;
  border-bottom: 3px solid var(--fern-green-light);
}
.value-card h3 { font-size: 1.1rem; color: var(--fern-green-dark); margin-bottom: 0.6rem; }
.value-card p { font-size: 0.875rem; margin-bottom: 0; }
.value-icon { font-size: 2rem; margin-bottom: 0.75rem; }

/* Popup notification */
.popup-notification {
  position: fixed;
  bottom: 2rem; right: 2rem;
  background: var(--fern-green-dark);
  color: #FAF9F6;
  padding: 1rem 1.5rem;
  border-radius: 8px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
  z-index: 9999;
  max-width: 320px;
  font-size: 0.9rem;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
}
.popup-notification.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.popup-notification .popup-close {
  position: absolute;
  top: 8px; right: 10px;
  background: none; border: none;
  color: #FAF9F6; cursor: pointer;
  font-size: 1rem; opacity: 0.7;
}
.popup-notification .popup-close:hover { opacity: 1; }

/* Footer 4-col */
.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
}
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 1rem; }

@media (max-width: 1024px) {
  .footer-container { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .footer-container { grid-template-columns: 1fr; }
  .page-hero-content h1 { font-size: 2rem; }
  .gallery-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
}

/* Section divider */
.section-divider {
  width: 48px; height: 2px;
  background: var(--fern-green-light);
  margin: 0 auto 2rem;
}
.section-header .section-divider { margin-top: 1rem; }

/* Fern guide table */
.fern-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 2rem;
  font-size: 0.95rem;
}
.fern-table th {
  background: var(--fern-green);
  color: var(--white);
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 500;
}
.fern-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--beige);
  color: var(--text-medium);
}
.fern-table tr:nth-child(even) td { background: var(--beige-light); }
.fern-table tr:hover td { background: var(--beige); }

/* Seasonal highlight */
.season-highlight {
  background: linear-gradient(135deg, var(--beige-light), var(--off-white));
  border-radius: 12px;
  padding: 3rem;
  margin-bottom: 2.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}
.season-highlight img { border-radius: 8px; box-shadow: var(--shadow-hover); }
@media (max-width: 768px) {
  .season-highlight { grid-template-columns: 1fr; padding: 2rem; }
}

/* Active nav link */
.nav-links a.active-page {
  color: var(--fern-green);
}
.nav-links a.active-page::after { width: 100%; }

/* Quote block */
.quote-block {
  border-left: 4px solid var(--fern-green-light);
  padding: 1.5rem 2rem;
  background: var(--beige-light);
  border-radius: 0 8px 8px 0;
  margin: 2rem 0;
  font-style: italic;
  font-size: 1.05rem;
  color: var(--text-medium);
}