/* ==========================================================================
   今井有機農園 (imai organic farm) Design System & Master Stylesheet
   ========================================================================== */

/* 1. Design Tokens & Root Variables */
:root {
  /* Color Palette */
  --color-earth-dark: #3D2E24;
  --color-earth-mid: #5C4638;
  --color-earth-light: #8C7566;
  --color-earth-subtle: #EFEAE6;

  --color-green-primary: #2D6A4F;
  --color-green-mid: #40916C;
  --color-green-light: #52B788;
  --color-green-soft: #D8F3DC;

  --color-bg-base: #FBF9F5;
  --color-bg-alt: #F4EFEA;
  --color-bg-card: #FFFFFF;

  --color-accent-orange: #D97706;
  --color-accent-orange-hover: #B45309;
  --color-accent-terracotta: #C85A32;

  --color-text-main: #2C2420;
  --color-text-muted: #655952;
  --color-text-light: #8E827A;
  --color-border: #E5DDD5;

  /* Typography */
  --font-serif: "Shippori Mincho", "Hiragino Mincho ProN", serif;
  --font-sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  --font-display: "Plus Jakarta Sans", sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 7rem;

  /* Border Radius & Shadows */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 8px rgba(61, 46, 36, 0.05);
  --shadow-md: 0 8px 24px rgba(61, 46, 36, 0.08);
  --shadow-lg: 0 16px 40px rgba(61, 46, 36, 0.12);
  --shadow-glow: 0 0 25px rgba(45, 106, 79, 0.2);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* 2. Global Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-base);
  color: var(--color-text-main);
  line-height: 1.8;
  letter-spacing: 0.03em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

ul, ol {
  list-style: none;
}

button, input, textarea, select {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

button {
  cursor: pointer;
}

/* 3. Utility Classes */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.section-padding {
  padding: var(--space-xl) 0;
}

.text-center { text-align: center; }

.section-header {
  margin-bottom: var(--space-lg);
}

.section-subtitle {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-green-primary);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  display: block;
  margin-bottom: var(--space-xs);
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-earth-dark);
  line-height: 1.4;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: "";
  display: block;
  width: 40px;
  height: 3px;
  background-color: var(--color-green-primary);
  margin: 1rem auto 0;
  border-radius: var(--radius-full);
}

.section-desc {
  margin-top: 1rem;
  color: var(--color-text-muted);
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  font-size: 1.05rem;
}

/* Badge & CTA Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.9rem 2rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.95rem;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

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

.btn-primary:hover {
  background-color: var(--color-green-mid);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.btn-base {
  background: linear-gradient(135deg, var(--color-accent-orange), var(--color-accent-terracotta));
  color: #ffffff;
}

.btn-base:hover {
  background: linear-gradient(135deg, var(--color-accent-orange-hover), var(--color-accent-terracotta));
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(217, 119, 6, 0.3);
}

.btn-outline {
  border: 2px solid var(--color-earth-mid);
  color: var(--color-earth-dark);
  background-color: transparent;
}

.btn-outline:hover {
  background-color: var(--color-earth-dark);
  color: #ffffff;
  transform: translateY(-3px);
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 1.15rem 2.5rem;
  font-size: 1.1rem;
}

.badge-tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  background-color: var(--color-green-soft);
  color: var(--color-green-primary);
}

/* 4. Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition-normal);
  padding: 1.25rem 0;
}

.header.scrolled {
  background-color: rgba(251, 249, 245, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  padding: 0.75rem 0;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  white-space: nowrap;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  flex-shrink: 0;
  white-space: nowrap;
}

.brand-icon {
  width: 42px;
  height: 42px;
  background-color: var(--color-green-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1.2rem;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  white-space: nowrap;
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-earth-dark);
  line-height: 1.2;
  white-space: nowrap;
}

.brand-subtitle {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--color-green-primary);
  font-weight: 600;
  white-space: nowrap;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.15rem;
  white-space: nowrap;
}

.nav-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-earth-dark);
  position: relative;
  white-space: nowrap;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-green-primary);
  transition: var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
  white-space: nowrap;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 20px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1100;
}

.mobile-toggle span {
  width: 100%;
  height: 2px;
  background-color: var(--color-earth-dark);
  border-radius: 2px;
  transition: var(--transition-fast);
}

/* 5. Hero Section (ファーストビュー) */
.hero {
  position: relative;
  min-height: 100vh;
  padding-top: 100px;
  display: flex;
  align-items: center;
  background: linear-gradient(180deg, rgba(61,46,36,0.04) 0%, rgba(45,106,79,0.02) 100%);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--color-green-primary);
  font-weight: 600;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-earth-dark);
  margin-bottom: 1.5rem;
}

.hero-title span {
  color: var(--color-green-primary);
  position: relative;
  display: inline-block;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-bottom: 2.25rem;
  line-height: 1.9;
}

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

.hero-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.stat-item h4 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-green-primary);
}

.stat-item p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.hero-visual {
  position: relative;
}

.hero-img-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero-img-wrapper img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  transition: transform 0.7s ease;
}

.hero-img-wrapper:hover img {
  transform: scale(1.03);
}

.hero-floating-card {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background-color: #ffffff;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 1rem;
  border: 1px solid var(--color-border);
  animation: float 4s ease-in-out infinite;
}

.floating-icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-green-soft);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-green-primary);
}

.floating-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-earth-dark);
}

.floating-subtitle {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* 6. Commitments (今井有機農園の3つのこだわり) */
.commitments {
  background-color: #ffffff;
}

.commitments-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.commitment-card {
  background-color: var(--color-bg-base);
  border-radius: var(--radius-md);
  padding: 2.5rem 2rem;
  border: 1px solid var(--color-border);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.commitment-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-green-mid);
}

.commitment-num {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 800;
  color: rgba(45, 106, 79, 0.12);
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  line-height: 1;
}

.commitment-icon {
  width: 56px;
  height: 56px;
  background-color: #ffffff;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--color-green-primary);
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.commitment-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-earth-dark);
  margin-bottom: 1rem;
}

.commitment-text {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* 7. Concept & Farmer Story (農園について) */
.concept {
  background-color: var(--color-bg-alt);
  position: relative;
}

.concept-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 4rem;
  align-items: center;
}

.concept-images {
  position: relative;
}

.concept-img-main {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  width: 90%;
}

.concept-img-sub {
  position: absolute;
  bottom: -30px;
  right: 0;
  width: 55%;
  border-radius: var(--radius-md);
  border: 6px solid #ffffff;
  box-shadow: var(--shadow-lg);
}

.concept-content h3 {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-earth-dark);
  line-height: 1.4;
  margin-bottom: 1.5rem;
}

.concept-lead {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-green-primary);
  margin-bottom: 1.25rem;
}

.concept-body p {
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  font-size: 0.975rem;
}

.farmer-quote {
  margin-top: 2rem;
  padding: 1.5rem;
  background-color: #ffffff;
  border-left: 4px solid var(--color-green-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  box-shadow: var(--shadow-sm);
}

.farmer-quote-text {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1rem;
  color: var(--color-earth-dark);
}

.farmer-meta {
  margin-top: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text-main);
}

/* 8. Products & BASE Shop (商品一覧) */
.products {
  background-color: #ffffff;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin-top: 2.5rem;
}

.product-card {
  background-color: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}

.product-thumb {
  position: relative;
  height: 240px;
  overflow: hidden;
}

.product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-card:hover .product-thumb img {
  transform: scale(1.06);
}

.product-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: var(--color-green-primary);
  color: #ffffff;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
}

.product-content {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-earth-dark);
  margin-bottom: 0.5rem;
}

.product-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  line-height: 1.7;
}

.product-price-box {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px dashed var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.product-price {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-earth-dark);
}

.product-price span {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--color-text-light);
}

.base-cta-banner {
  margin-top: 4rem;
  background: linear-gradient(135deg, var(--color-earth-dark) 0%, #2A1F18 100%);
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  color: #ffffff;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.base-cta-banner::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(217, 119, 6, 0.15) 0%, rgba(0,0,0,0) 70%);
  border-radius: 50%;
}

.base-banner-content h3 {
  font-family: var(--font-serif);
  font-size: 2rem;
  margin-bottom: 1rem;
  line-height: 1.3;
}

.base-banner-content p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1rem;
  line-height: 1.8;
}

.base-banner-action {
  text-align: center;
}

/* Seasonal Vegetables Calendar Tabs */
.calendar-section {
  margin-top: 5rem;
}

.season-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  background-color: var(--color-bg-alt);
  color: var(--color-earth-dark);
  font-weight: 700;
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

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

.tab-content {
  display: none;
  background-color: var(--color-bg-base);
  padding: 2.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

.veg-tags-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
}

.veg-card-mini {
  background-color: #ffffff;
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.veg-icon {
  font-size: 1.8rem;
}

.veg-name {
  font-weight: 700;
  color: var(--color-earth-dark);
  font-size: 0.95rem;
}

.veg-desc {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* 9. Direct Shop & Access (直売所・アクセス情報) */
.direct-shop {
  background-color: var(--color-bg-alt);
}

.shop-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: start;
}

.shop-info-card {
  background-color: #ffffff;
  border-radius: var(--radius-md);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.shop-img-wrapper {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 2rem;
  height: 280px;
}

.shop-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.shop-details-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.shop-detail-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.detail-label {
  min-width: 100px;
  font-weight: 700;
  color: var(--color-green-primary);
  font-size: 0.9rem;
}

.detail-value {
  color: var(--color-text-main);
  font-size: 0.95rem;
}

/* Today's Vegetables Filter */
.todays-veg-box {
  background-color: #ffffff;
  border-radius: var(--radius-md);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.veg-filter-nav {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
  transition: var(--transition-fast);
}

.filter-btn.active, .filter-btn:hover {
  background-color: var(--color-earth-dark);
  color: #ffffff;
  border-color: var(--color-earth-dark);
}

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

.today-item {
  padding: 0.9rem;
  background-color: var(--color-bg-base);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.today-item-name {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-earth-dark);
}

.status-badge {
  font-size: 0.75rem;
  padding: 0.3rem 0.65rem;
  border-radius: 6px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  line-height: 1;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.status-available {
  background-color: #E6F4EA;
  color: #137333;
  border: 1px solid #CEEAD6;
}

.status-limited {
  background-color: #FEF7E0;
  color: #B06000;
  border: 1px solid #FDE293;
}

.status-few {
  background-color: #FCE8E6;
  color: #C5221F;
  border: 1px solid #FAD2CF;
}

/* Map Frame Mock */
.map-container {
  margin-top: 3rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  background-color: #ffffff;
}

.map-placeholder {
  width: 100%;
  height: 350px;
  background: linear-gradient(135deg, #E2ECE9 0%, #D0DFD9 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  position: relative;
}

.map-pin-icon {
  font-size: 3rem;
  color: var(--color-accent-terracotta);
  margin-bottom: 0.5rem;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* 10. Q&A Section (よくある質問) */
.qa {
  background-color: #ffffff;
}

.qa-accordion {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.qa-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition-fast);
}

.qa-item.open {
  border-color: var(--color-green-mid);
  box-shadow: var(--shadow-sm);
}

.qa-header {
  width: 100%;
  padding: 1.5rem;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--color-bg-base);
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-earth-dark);
  gap: 1rem;
}

.qa-header span.q-icon {
  color: var(--color-green-primary);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  margin-right: 0.5rem;
}

.qa-toggle-icon {
  font-size: 1.25rem;
  transition: transform 0.3s ease;
  color: var(--color-text-muted);
}

.qa-item.open .qa-toggle-icon {
  transform: rotate(180deg);
}

.qa-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0, 1, 0, 1);
  background-color: #ffffff;
}

.qa-body-content {
  padding: 1.5rem;
  color: var(--color-text-muted);
  font-size: 0.975rem;
  line-height: 1.8;
  border-top: 1px solid var(--color-border);
}

/* 11. Contact Form (お問い合わせ) */
.contact {
  background-color: var(--color-bg-alt);
}

.contact-card {
  max-width: 800px;
  margin: 0 auto;
  background-color: #ffffff;
  padding: 3.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-earth-dark);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.req-badge {
  font-size: 0.7rem;
  background-color: var(--color-accent-terracotta);
  color: #ffffff;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 0.9rem 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-base);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--color-green-primary);
  background-color: #ffffff;
  box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.15);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-submit-btn {
  width: 100%;
  padding: 1.1rem;
  margin-top: 1rem;
}

.form-success-msg {
  display: none;
  text-align: center;
  padding: 2.5rem;
  background-color: var(--color-green-soft);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-green-light);
  color: var(--color-green-primary);
}

.form-success-msg h4 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

/* 12. Footer */
.footer {
  background-color: var(--color-earth-dark);
  color: rgba(255, 255, 255, 0.88);
  padding-top: 4.5rem;
  padding-bottom: 2rem;
  border-top: 4px solid var(--color-green-primary);
}

.footer-main {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3.5rem;
  margin-bottom: 3.5rem;
}

.footer-farm-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 2rem;
  backdrop-filter: blur(8px);
}

.footer-logo-wrap {
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.15);
}

.footer-logo .brand-icon {
  width: 36px;
  height: 36px;
  font-size: 1.1rem;
  background-color: var(--color-green-primary);
  color: #ffffff;
}

.footer-logo .brand-title {
  color: #ffffff;
  font-size: 1.2rem;
}

.footer-logo .brand-subtitle {
  color: var(--color-green-light);
  font-size: 0.65rem;
}

.footer-farm-name {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: #ffffff;
  margin-bottom: 1rem;
  font-weight: 700;
}

.footer-farm-name span {
  font-size: 0.95rem;
  font-family: var(--font-sans);
  color: rgba(255, 255, 255, 0.7);
  font-weight: 400;
  margin-left: 0.25rem;
}

.footer-info-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.85);
}

.footer-info-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  line-height: 1.5;
}

.footer-info-list li i {
  color: var(--color-green-light);
  width: 18px;
  text-align: center;
  font-size: 0.95rem;
}

.footer-nav-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.footer-heading {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: #ffffff;
  margin-bottom: 1.25rem;
  position: relative;
  padding-left: 0.75rem;
}

.footer-heading::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.2rem;
  bottom: 0.2rem;
  width: 3px;
  background-color: var(--color-green-light);
  border-radius: 2px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.75);
  transition: var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-green-light);
  transform: translateX(4px);
}

.footer-sns-desc {
  font-size: 0.825rem;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.footer-sns-icons {
  display: flex;
  gap: 0.85rem;
}

.footer-sns-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  font-size: 1.15rem;
  transition: var(--transition-fast);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-sns-icons a:hover {
  background-color: var(--color-green-primary);
  color: #ffffff;
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.footer-bottom {
  padding-top: 1.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-bottom .copyright {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.03em;
}

/* 13. Modal Dialog (BASE外部遷移用) */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(44, 36, 32, 0.7);
  backdrop-filter: blur(6px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  max-width: 500px;
  width: 90%;
  box-shadow: var(--shadow-lg);
  text-align: center;
  transform: scale(0.9);
  transition: var(--transition-bounce);
}

.modal-overlay.active .modal-card {
  transform: scale(1);
}

.modal-icon {
  width: 64px;
  height: 64px;
  background-color: #FEF3C7;
  color: var(--color-accent-orange);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 1.5rem;
}

.modal-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-earth-dark);
  margin-bottom: 0.75rem;
}

.modal-text {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.modal-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

/* 14. Responsive Layout Adjustments */
@media (max-width: 1140px) {
  .nav-menu {
    gap: 0.75rem;
  }
  .nav-link {
    font-size: 0.825rem;
  }
}

@media (max-width: 1024px) {
  .hero-grid, .concept-grid, .shop-grid, .base-cta-banner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .hero-visual {
    order: -1;
  }

  .hero-img-wrapper img {
    height: 400px;
  }

  .commitments-grid, .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background-color: var(--color-bg-base);
    box-shadow: var(--shadow-lg);
    flex-direction: column;
    justify-content: center;
    padding: 2rem;
    transition: right 0.4s ease;
    z-index: 1050;
    gap: 1.75rem;
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-link {
    font-size: 1.1rem;
  }

  .mobile-toggle {
    display: flex;
  }

  .header-actions .btn-sm {
    display: none;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.25rem;
  }

  .commitments-grid, .products-grid, .todays-list {
    grid-template-columns: 1fr;
  }

  .contact-card {
    padding: 2rem 1.5rem;
  }

  .footer-nav-group {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
}