/* Pumgrutdo Microphone Store - Accessible Stylesheet (WCAG AA compliant) */
:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --dark: #0f172a;
  --text: #1e293b;
  --text-muted: #64748b;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --card-bg: #ffffff;
  --border: #e2e8f0;
  --accent: #0ea5e9;
  --success: #16a34a;
  --error: #dc2626;
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.03);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-base);
  color: var(--text);
  background-color: var(--bg);
  line-height: 1.8;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}

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

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

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

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.site-header {
  background-color: #ffffff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--dark);
  text-decoration: none;
}

.brand-logo svg {
  width: 32px;
  height: 32px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 1.25rem;
  align-items: center;
}

.nav-link {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0.25rem;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
  text-decoration: underline;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.2s ease, transform 0.1s ease;
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  color: #ffffff;
}

.btn-secondary {
  background-color: var(--primary-light);
  color: var(--primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background-color: #dbeafe;
}

.btn-small {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  padding: 0.5rem;
  border-radius: 4px;
  cursor: pointer;
}

.mobile-menu-toggle svg {
  width: 24px;
  height: 24px;
  fill: var(--dark);
}

/* Hero Section */
.hero {
  background: linear-gradient(180deg, #f0f7ff 0%, #ffffff 100%);
  padding: 4.5rem 0 3.5rem;
  border-bottom: 1px solid var(--border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  background-color: #dbeafe;
  color: #1e40af;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: 2.25rem;
  line-height: 1.35;
  color: var(--dark);
  margin-bottom: 1.25rem;
}

.hero-lead {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.price-notice-box {
  background-color: #ffffff;
  border: 1px solid #bfdbfe;
  border-left: 4px solid var(--primary);
  padding: 1rem 1.25rem;
  border-radius: 6px;
  margin-bottom: 2rem;
}

.price-notice-box strong {
  color: var(--dark);
}

.hero-cta-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-visual {
  background-color: #ffffff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.hero-visual svg {
  width: 140px;
  height: 140px;
  margin: 0 auto 1.5rem;
}

/* Sections */
.section {
  padding: 4.5rem 0;
}

.section-alt {
  background-color: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3rem;
}

.section-title {
  font-size: 1.875rem;
  color: var(--dark);
  margin-bottom: 0.75rem;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
}

/* Cards */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

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

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.card {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.75rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.card-icon {
  width: 48px;
  height: 48px;
  background-color: var(--primary-light);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.card-icon svg {
  width: 24px;
  height: 24px;
  fill: var(--primary);
}

.card-title {
  font-size: 1.25rem;
  color: var(--dark);
  margin-bottom: 0.75rem;
}

.card-body {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.card-price-tag {
  margin-top: auto;
  padding-top: 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
}

/* Steps */
.step-number {
  display: inline-flex;
  width: 36px;
  height: 36px;
  background-color: var(--primary);
  color: #ffffff;
  font-weight: 700;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.faq-item {
  background-color: #ffffff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
}

.faq-question {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.faq-question::before {
  content: "Q.";
  color: var(--primary);
}

.faq-answer {
  color: var(--text-muted);
  padding-left: 1.5rem;
  font-size: 0.95rem;
}

/* Form Styles */
.form-container {
  max-width: 640px;
  margin: 0 auto;
  background-color: #ffffff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2.25rem;
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 1.35rem;
}

.form-label {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 0.4rem;
}

.form-label .required {
  color: var(--error);
  margin-left: 0.25rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background-color: #ffffff;
  color: var(--text);
  transition: border-color 0.2s ease;
}

.form-control:focus {
  border-color: var(--primary);
  outline: none;
}

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

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  margin-top: 0.3rem;
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.form-status {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 6px;
  font-size: 0.95rem;
  display: none;
}

.form-status.error {
  display: block;
  background-color: #fef2f2;
  border: 1px solid #fecaca;
  color: var(--error);
}

.form-status.success {
  display: block;
  background-color: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: var(--success);
}

/* Legal & Static Content Pages */
.content-box {
  background-color: #ffffff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2.5rem;
  margin-bottom: 2rem;
}

.content-box h2 {
  font-size: 1.4rem;
  color: var(--dark);
  margin: 1.75rem 0 0.75rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
}

.content-box h2:first-of-type {
  margin-top: 0;
}

.content-box p, .content-box ul {
  color: var(--text);
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
}

.content-box ul {
  padding-left: 1.5rem;
}

.table-responsive {
  overflow-x: auto;
  margin-bottom: 1.5rem;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.spec-table th, .spec-table td {
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  text-align: left;
}

.spec-table th {
  background-color: var(--bg-alt);
  font-weight: 600;
  color: var(--dark);
  width: 30%;
}

/* Footer */
.site-footer {
  background-color: var(--dark);
  color: #94a3b8;
  padding: 3.5rem 0 2rem;
  font-size: 0.9rem;
  border-top: 1px solid #334155;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-col h3 {
  color: #ffffff;
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.footer-col p {
  margin-bottom: 0.75rem;
  line-height: 1.6;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  color: #cbd5e1;
  text-decoration: none;
}

.footer-links a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid #334155;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.85rem;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: #0f172a;
  color: #ffffff;
  padding: 1.25rem;
  box-shadow: 0 -4px 10px rgba(0, 0, 0, 0.2);
  z-index: 999;
  display: none;
}

.cookie-content {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.9rem;
}

.cookie-buttons {
  display: flex;
  gap: 0.75rem;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid, .grid-3, .grid-2, .grid-4, .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .main-nav {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background-color: #ffffff;
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
  }
  
  .main-nav.is-open {
    display: flex;
  }
  
  .nav-list {
    flex-direction: column;
    width: 100%;
    align-items: flex-start;
  }
  
  .hero h1 {
    font-size: 1.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}