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

:root {
  --color-bg: #fafbf8;
  --color-text: #2a2a2a;
  --color-text-light: #666;
  --color-border: #e0e0dc;
  --color-dark: #1a1a18;
  --color-accent: #1ea69a;
  --color-accent-light: #f0fffe;
  --color-warm-gray: #e8e6e1;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 16px;
}

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

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

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.5px;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 2rem;
  margin-bottom: 1.25rem;
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

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

button, .btn {
  border: 1px solid var(--color-text);
  background: transparent;
  color: var(--color-text);
  padding: 0.875rem 1.75rem;
  border-radius: 0;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

button:hover, .btn:hover {
  transform: scale(1.02);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
}

.btn-primary:hover {
  background: var(--color-dark);
  border-color: var(--color-dark);
  color: white;
}

.btn-outline {
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
}

.btn-outline:hover {
  background: var(--color-accent);
  color: white;
}

header {
  background: linear-gradient(135deg, var(--color-dark) 0%, #242420 100%);
  color: white;
  padding: 1.75rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: white;
}

nav {
  display: flex;
  gap: 3rem;
  align-items: center;
}

nav a {
  color: white;
  font-size: 0.95rem;
  transition: color 0.2s ease;
  position: relative;
  padding-bottom: 0.25rem;
}

nav a:hover,
nav a.active {
  color: var(--color-accent);
}

nav a.active::after {
  content: '';
  position: absolute;
  bottom: -0.25rem;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-accent);
}

.header-cta {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.header-remark {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
  margin-left: 0.5rem;
  white-space: nowrap;
}

.hero {
  background: linear-gradient(135deg, var(--color-dark) 0%, #242420 100%);
  color: white;
  padding: 4rem 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(30, 166, 154, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content h1 {
  margin-bottom: 1rem;
  color: white;
}

.hero-overline {
  font-size: 0.85rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
  font-weight: 600;
}

.hero-subtitle {
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 2rem;
  color: rgba(255, 255, 255, 0.9);
}

.hero-cta {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

.hero-note {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
  font-style: italic;
}

.feature-card {
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
}

.feature-card img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: 4px;
  margin-bottom: 1.25rem;
  display: block;
}

.feature-card h4 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: white;
}

.feature-card-note {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0.75rem;
}

.feature-card-price {
  font-size: 0.85rem;
  color: var(--color-accent);
  font-weight: 600;
}

.section-tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin: 4rem 0;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 2rem;
}

.tile {
  border: 1px solid var(--color-border);
  padding: 2rem;
  border-radius: 4px;
  position: relative;
  transition: all 0.3s ease;
}

.tile:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.tile::before {
  content: '';
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
}

.tile h3 {
  margin-bottom: 0.75rem;
  font-size: 1.3rem;
}

.tile p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  line-height: 1.5;
}

.section-light {
  background: var(--color-bg);
  padding: 4rem 0;
}

.section-dark {
  background: linear-gradient(135deg, var(--color-dark) 0%, #242420 100%);
  color: white;
  padding: 4rem 0;
}

.section-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-heading {
  margin-bottom: 3rem;
}

.section-heading h2 {
  color: inherit;
}

.section-dark .section-heading h2 {
  color: white;
}

.section-dark h3,
.section-dark h4,
.section-dark h5 {
  color: white;
}

.section-dark p {
  color: rgba(255, 255, 255, 0.85);
}

.section-dark .section-hint {
  color: rgba(255, 255, 255, 0.7);
}

.section-hint {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-top: -2rem;
  margin-bottom: 2rem;
  font-style: italic;
}

.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.panel-card {
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 1.5rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
}

.panel-row {
  display: flex;
  justify-content: space-between;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.95rem;
}

.panel-row:last-child {
  border-bottom: none;
}

.panel-label {
  font-weight: 600;
  color: white;
}

.panel-value {
  color: rgba(255, 255, 255, 0.7);
}

.two-column-guide {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.guide-image {
  width: 100%;
  border-radius: 4px;
  overflow: hidden;
}

.guide-image img {
  width: 100%;
  height: auto;
  display: block;
}

.guide-list {
  list-style: none;
}

.guide-list li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
  line-height: 1.5;
  display: flex;
  gap: 1rem;
}

.guide-list li:before {
  content: '✓';
  flex-shrink: 0;
  color: var(--color-accent);
  font-weight: bold;
}

.guide-list li:last-child {
  border-bottom: none;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.product-card {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  transition: all 0.3s ease;
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  border-color: var(--color-accent);
  transform: scale(1.02);
}

.product-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.product-card:hover .product-image {
  transform: scale(1.05);
}

.product-info {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-meta {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.chip {
  background: var(--color-warm-gray);
  color: var(--color-text);
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}

.product-card .product-name {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.product-desc {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 1rem;
  flex: 1;
}

.product-price {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.product-card .btn {
  align-self: flex-start;
  font-size: 0.85rem;
  padding: 0.7rem 1.4rem;
  width: 100%;
  text-align: center;
}

.pill-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.pill-tab {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 0.7rem 1.5rem;
  border-radius: 30px;
  cursor: pointer;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  font-weight: 500;
}

.pill-tab:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.pill-tab.active {
  background: var(--color-accent-light);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.guide-section {
  margin: 3rem 0;
}

.guide-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--color-text);
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.guide-card {
  background: var(--color-warm-gray);
  padding: 1.5rem;
  border-radius: 4px;
  font-size: 0.95rem;
  line-height: 1.6;
}

.quick-filters {
  background: var(--color-warm-gray);
  padding: 2rem;
  border-radius: 4px;
  margin: 3rem 0;
}

.quick-filters h3 {
  margin-bottom: 1.5rem;
  font-size: 1.2rem;
}

.filter-group {
  margin-bottom: 1.5rem;
}

.filter-group h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--color-text);
}

.filter-items {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.filter-item {
  background: white;
  border: 1px solid var(--color-border);
  padding: 0.5rem 1rem;
  border-radius: 4px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-item:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.routine-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.routine-card {
  background: var(--color-accent-light);
  border: 1px solid var(--color-accent);
  padding: 1.5rem;
  border-radius: 4px;
}

.routine-card h4 {
  color: var(--color-accent);
  margin-bottom: 0.75rem;
  font-size: 1rem;
}

.routine-card p {
  font-size: 0.95rem;
  color: var(--color-text-light);
}

.simple-formats-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1.5rem;
  font-size: 0.95rem;
}

.simple-formats-table th,
.simple-formats-table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.simple-formats-table th {
  background: var(--color-warm-gray);
  font-weight: 600;
  color: var(--color-text);
}

.simple-formats-table tr:hover {
  background: var(--color-accent-light);
}

.quick-picks {
  margin: 3rem 0;
  background: var(--color-accent-light);
  padding: 2rem;
  border-radius: 4px;
  border: 1px solid var(--color-accent);
}

.quick-picks h3 {
  margin-bottom: 1.5rem;
  font-size: 1.2rem;
  color: var(--color-accent);
}

.picks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.pick-card {
  background: white;
  padding: 1.25rem;
  border-radius: 4px;
  border: 1px solid var(--color-accent);
  text-align: center;
}

.pick-card p {
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.5;
}

.faq-section {
  margin: 3rem 0;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.faq-item {
  padding: 1.5rem;
  background: var(--color-warm-gray);
  border-radius: 4px;
}

.faq-question {
  font-weight: 600;
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
  color: var(--color-text);
}

.faq-answer {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

footer {
  background: var(--color-dark);
  color: white;
  padding: 3rem 0 1.5rem;
  margin-top: 4rem;
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: white;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 0.75rem;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

.product-page-hero {
  background: linear-gradient(135deg, var(--color-dark) 0%, #242420 100%);
  color: white;
  padding: 3rem 0;
  margin-bottom: 2rem;
}

.product-detail-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin: 3rem 0;
  align-items: start;
}

.product-detail-image {
  width: 100%;
  border-radius: 4px;
  overflow: hidden;
}

.product-detail-image img {
  width: 100%;
  height: auto;
  display: block;
}

.product-detail-content h1 {
  margin-bottom: 1rem;
  color: var(--color-text);
}

.product-detail-desc {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
  margin: 2rem 0;
  padding: 1.5rem;
  background: var(--color-warm-gray);
  border-radius: 4px;
}

.product-specs {
  background: var(--color-warm-gray);
  padding: 1.5rem;
  border-radius: 4px;
  margin: 2rem 0;
}

.product-specs h3 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.spec-item {
  display: flex;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
}

.spec-item:last-child {
  border-bottom: none;
}

.spec-label {
  font-weight: 600;
}

.spec-value {
  color: var(--color-text-light);
}

.product-section {
  margin: 2rem 0;
  padding: 1.5rem;
  background: var(--color-accent-light);
  border-radius: 4px;
  border: 1px solid var(--color-accent);
}

.product-section h3 {
  color: var(--color-accent);
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.product-section ul {
  list-style: none;
  padding-left: 0;
}

.product-section li {
  padding: 0.5rem 0;
  font-size: 0.95rem;
  color: var(--color-text);
  display: flex;
  gap: 0.75rem;
}

.product-section li:before {
  content: '•';
  color: var(--color-accent);
  font-weight: bold;
  flex-shrink: 0;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  cursor: pointer;
  flex-shrink: 0;
}

.checkbox-group label {
  margin: 0;
  font-size: 0.9rem;
  cursor: pointer;
}

.contact-container {
  max-width: 600px;
  margin: 3rem auto;
}

.contact-info {
  background: var(--color-warm-gray);
  padding: 2rem;
  border-radius: 4px;
  margin-bottom: 2rem;
}

.contact-info p {
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
}

.contact-info strong {
  display: block;
  margin-top: 1rem;
  margin-bottom: 0.25rem;
  color: var(--color-text);
}

.thank-you-container {
  max-width: 600px;
  margin: 4rem auto;
  text-align: center;
  padding: 3rem;
  background: var(--color-accent-light);
  border-radius: 4px;
  border: 1px solid var(--color-accent);
}

.thank-you-container h1 {
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.thank-you-container p {
  font-size: 1rem;
  margin-bottom: 2rem;
  color: var(--color-text);
}

.thank-you-container .btn {
  margin-top: 1rem;
}

@media (max-width: 768px) {
  h1 {
    font-size: 1.8rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  nav {
    gap: 1.5rem;
    font-size: 0.9rem;
  }

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

  .split-layout {
    grid-template-columns: 1fr;
  }

  .two-column-guide {
    grid-template-columns: 1fr;
  }

  .product-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
  }

  .product-detail-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn {
    width: 100%;
  }

  .header-remark {
    display: none;
  }

  .pill-tabs {
    flex-direction: column;
  }

  .pill-tab {
    width: 100%;
  }
}

@media (max-width: 576px) {
  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  .header-container {
    padding: 0 1rem;
  }

  .section-container {
    padding: 0 1rem;
  }

  nav {
    gap: 0.75rem;
  }

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

  .section-tiles {
    grid-template-columns: 1fr;
  }
}