/*
Theme Name: LemonFlavor Natural
Theme URI: https://lijplum.com
Author: LemonFlavor Natural
Description: B2B organic lemon juice powder — green natural style
Version: 2.0
License: GPL-2.0+
Text Domain: lemonflavor
*/

/* ============================================================
   Google Fonts
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,500;0,600;0,700;1,500&family=DM+Sans:opsz,wght@9..40,300;9..40,400;9..40,500;9..40,600;9..40,700&display=swap');

/* ============================================================
   CSS Variables — Green + Natural Style
   ============================================================ */
:root {
  --color-primary:       #2D7D2D;
  --color-primary-dark:  #1F5E1F;
  --color-primary-light: #E8F5E8;
  --color-accent:        #E8A317;
  --color-accent-dark:   #C4890E;
  --color-accent-pale:   #FFF8E7;
  --color-bg:            #FFFFFF;
  --color-surface:       #F7F9F7;
  --color-border:        #E0E4E0;
  --color-border-light:  #EEF0EE;
  --color-text:          #1A1A1A;
  --color-text-secondary:#555555;
  --color-text-tertiary: #888888;
  --color-text-inverse:  #FFFFFF;

  --font-display:  'Playfair Display', 'Georgia', 'Times New Roman', serif;
  --font-body:     'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --space-xs:   0.25rem;
  --space-sm:   0.5rem;
  --space-md:   1rem;
  --space-lg:   1.5rem;
  --space-xl:   2rem;
  --space-2xl:  3rem;
  --space-3xl:  4rem;
  --space-4xl:  6rem;
  --space-5xl:  8rem;
  --space-6xl:  10rem;

  --max-width:        1200px;
  --max-width-narrow: 820px;
  --nav-height:       70px;
  --cta-bar-height:   44px;

  --radius-sm: 4px;
  --radius-md: 8px;
  --ease:      cubic-bezier(0.25, 0.1, 0.25, 1);
  --dur-fast:  150ms;
  --dur-base:  300ms;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}
body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  padding-top: calc(var(--nav-height) + var(--cta-bar-height));
}

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.18;
  color: var(--color-text);
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.5rem, 4.5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
h4 { font-size: 1.0625rem; font-family: var(--font-body); font-weight: 600; }
p { margin-bottom: var(--space-md); line-height: 1.7; }
a { color: var(--color-text); text-decoration: none; transition: color var(--dur-fast) var(--ease); }
a:hover { color: var(--color-primary); }
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

/* ---- Utility ---- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-2xl);
}
.container-narrow {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: 0 var(--space-2xl);
}
.section { padding: var(--space-5xl) 0; }
.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}
.section-title { margin-bottom: var(--space-sm); }
.section-lead {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  max-width: 650px;
  line-height: 1.7;
  margin-bottom: var(--space-3xl);
}
.section-bg { background: var(--color-surface); }

/* ---- Divider ---- */
.divider {
  width: 48px;
  height: 3px;
  background: var(--color-primary);
  margin: 0 0 var(--space-xl) 0;
  border-radius: 2px;
}

/* ---- Global CTA Bar ---- */
.global-cta-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1001;
  height: var(--cta-bar-height);
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
}
.global-cta-bar a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #fff;
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
}
.global-cta-bar a:hover { opacity: 0.85; color: #fff; }

/* ---- Navigation ---- */
.nav {
  position: fixed;
  top: var(--cta-bar-height);
  left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-2xl);
}
.nav-logo {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--color-text);
  text-decoration: none;
  white-space: nowrap;
}
.nav-logo .logo-accent { color: var(--color-primary); }

/* WordPress Menu */
.main-menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}
.main-menu li { list-style: none; }
.main-menu a {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-tertiary);
  text-decoration: none;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition: all var(--dur-fast) var(--ease);
  white-space: nowrap;
}
.main-menu a:hover,
.main-menu .current-menu-item > a,
.main-menu .current_page_item > a {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* Mobile Toggle */
.nav-mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-sm);
  background: none;
  border: none;
}
.nav-mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.75rem;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.875rem;
  line-height: 1;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease);
  text-decoration: none;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #fff;
}
.btn-accent {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.btn-accent:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: #fff;
}
.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-outline:hover {
  background: var(--color-surface);
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-white {
  background: #fff;
  color: var(--color-primary);
  border-color: #fff;
}
.btn-white:hover { opacity: 0.9; color: var(--color-primary); }
.btn-lg { padding: 1rem 2.25rem; font-size: 0.9375rem; }
.btn-sm { padding: 0.5rem 1.125rem; font-size: 0.75rem; }

/* ---- Hero ---- */
.hero {
  padding: var(--space-5xl) 0 var(--space-4xl);
  background: linear-gradient(135deg, #F7F9F7 0%, #EDF5ED 50%, #FFF 100%);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(45,125,45,0.06) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-content { max-width: 540px; }
.hero-content h1 {
  font-size: clamp(2.5rem, 4.5vw, 3.5rem);
  margin-bottom: var(--space-lg);
  line-height: 1.1;
}
.hero-content h1 .highlight { color: var(--color-primary); }
.hero-content .hero-lead {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-2xl);
}
.hero-visual {
  aspect-ratio: 1;
  background: #fff;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  box-shadow: 0 8px 40px rgba(0,0,0,0.06);
  overflow: hidden;
}
.hero-visual img { width: 100%; height: 100%; object-fit: cover; }
.hero-actions { display: flex; gap: var(--space-md); flex-wrap: wrap; }

/* ---- Pain Points ---- */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
}
.pain-item {
  background: #fff;
  padding: var(--space-2xl);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--dur-base) var(--ease);
}
.pain-item:hover { box-shadow: 0 4px 20px rgba(0,0,0,0.06); }
.pain-icon { font-size: 2rem; margin-bottom: var(--space-md); }
.pain-item h3 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}
.pain-item p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.65;
}

/* ---- Advantages ---- */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
}
.adv-item {
  text-align: center;
  padding: var(--space-2xl);
}
.adv-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--space-lg);
  background: var(--color-primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}
.adv-item h3 {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}
.adv-item p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
  margin: 0;
}
.adv-secondary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-3xl);
  padding-top: var(--space-3xl);
  border-top: 1px solid var(--color-border-light);
}
.adv-secondary-item {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  padding: var(--space-lg);
  background: #fff;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-light);
  text-align: center;
}
.adv-secondary-item strong {
  display: block;
  color: var(--color-primary);
  font-size: 0.9375rem;
  margin-bottom: 4px;
}

/* ---- Specs Table ---- */
.specs-table-wrap {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.specs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
.specs-table th {
  background: var(--color-primary);
  color: #fff;
  font-weight: 500;
  text-align: left;
  padding: var(--space-md) var(--space-xl);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.specs-table td {
  padding: var(--space-md) var(--space-xl);
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text);
  background: #fff;
}
.specs-table tr:last-child td { border-bottom: none; }
.specs-table tr:nth-child(even) td { background: var(--color-surface); }
.specs-table td:first-child { font-weight: 600; color: var(--color-text); }

/* ---- App Grid ---- */
.app-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}
.app-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-2xl);
  text-decoration: none;
  color: inherit;
  display: block;
  transition: all var(--dur-base) var(--ease);
  text-align: center;
}
.app-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 8px 30px rgba(45,125,45,0.1);
  transform: translateY(-2px);
}
.app-card .app-icon { font-size: 2.5rem; margin-bottom: var(--space-md); }
.app-card h3 {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}
.app-card p {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin: 0;
}

/* ---- Factory Grid ---- */
.factory-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}
.factory-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: box-shadow var(--dur-base) var(--ease);
}
.factory-card:hover { box-shadow: 0 6px 24px rgba(0,0,0,0.08); }
.factory-card .factory-img-wrap {
  aspect-ratio: 4/3;
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  overflow: hidden;
}
.factory-card .factory-img-wrap img { width: 100%; height: 100%; object-fit: cover; }
.factory-card .factory-label {
  padding: var(--space-md);
  text-align: center;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text);
}

/* ---- Cert Grid ---- */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-md);
}
.cert-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-xl);
  text-align: center;
  text-decoration: none;
  color: inherit;
  transition: all var(--dur-base) var(--ease);
}
.cert-item:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 16px rgba(45,125,45,0.1);
}
.cert-item .cert-icon { font-size: 2rem; margin-bottom: var(--space-sm); }
.cert-item .cert-name {
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ---- Partner Grid ---- */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-md);
}
.partner-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-lg);
  aspect-ratio: 3/1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6875rem;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  overflow: hidden;
}
.partner-item img { max-height: 36px; width: auto; }

/* ---- Inquiry Form ---- */
.inquiry-mini {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-3xl);
  background: #fff;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}
.form-row.full { grid-template-columns: 1fr; }
.form-row label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
}
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--dur-fast) var(--ease);
  outline: none;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  border-color: var(--color-primary);
  background: #fff;
}
.form-row textarea { min-height: 100px; resize: vertical; }
.form-hint { font-size: 0.75rem; color: var(--color-text-tertiary); margin-top: var(--space-xs); }

/* ---- Page Header ---- */
.page-header {
  padding: var(--space-4xl) 0 var(--space-3xl);
  text-align: center;
  background: linear-gradient(135deg, #F7F9F7 0%, #EDF5ED 100%);
  border-bottom: 1px solid var(--color-border);
}
.page-header h1 { margin-bottom: var(--space-md); }
.page-header p {
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1rem;
}
.breadcrumb {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-xl);
}
.breadcrumb a { color: var(--color-primary); font-weight: 500; }
.breadcrumb span { margin: 0 0.5rem; color: var(--color-border); }

/* ---- Product Hero ---- */
.product-hero {
  background: var(--color-surface);
  padding: var(--space-4xl) 0;
  border-bottom: 1px solid var(--color-border);
}
.product-hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}
.product-hero-img {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 8px;
  aspect-ratio: 1;
}
.product-hero-img .img-cell {
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.product-hero-img .img-cell img { width: 100%; height: 100%; object-fit: cover; }
.product-hero-img .img-cell:first-child { grid-row: span 2; }
.product-hero-content .tagline {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  display: block;
}
.product-hero-content h1 { margin-bottom: var(--space-md); }
.product-hero-content .subtitle {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  line-height: 1.6;
}
.product-hero-content p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  margin-bottom: var(--space-xl);
}

/* ---- Selling Point Blocks ---- */
.sp-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
  padding: var(--space-4xl) 0;
  border-bottom: 1px solid var(--color-border-light);
}
.sp-block:last-child { border-bottom: none; }
.sp-visual {
  aspect-ratio: 4/3;
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.sp-visual img { width: 100%; height: 100%; object-fit: cover; }
.sp-num {
  font-family: var(--font-display);
  font-size: 3.5rem;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-sm);
  opacity: 0.3;
}
.sp-block h3 { margin-bottom: var(--space-md); }
.sp-block p { font-size: 0.9375rem; color: var(--color-text-secondary); line-height: 1.7; }
.sp-block ul { margin-top: var(--space-md); }
.sp-block ul li {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
  padding-left: var(--space-lg);
  position: relative;
}
.sp-block ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 600;
}

/* ---- Process Flow ---- */
.process-flow {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-3xl) 0;
  flex-wrap: wrap;
}
.process-step {
  text-align: center;
  flex: 1;
  min-width: 120px;
}
.step-circle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 auto var(--space-sm);
}
.process-step .step-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 1.4;
}
.process-arrow {
  color: var(--color-primary);
  font-size: 1.5rem;
  padding-top: 1rem;
  font-weight: 600;
}

/* ---- Download List ---- */
.dl-list { border: 1px solid var(--color-border); border-radius: var(--radius-sm); overflow: hidden; }
.dl-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xl);
  border-bottom: 1px solid var(--color-border-light);
  background: #fff;
}
.dl-item:last-child { border-bottom: none; }
.dl-item .dl-info h3 {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.dl-item .dl-info p {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin: 0;
}

/* ---- Cert Columns ---- */
.cert-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
}
.cert-col h3 {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-md);
  border-bottom: 2px solid var(--color-primary);
  color: var(--color-primary);
}
.cert-doc {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border-light);
}
.cert-doc:last-child { border-bottom: none; }
.cert-doc-name { font-size: 0.875rem; font-weight: 500; }
.cert-doc-desc { font-size: 0.75rem; color: var(--color-text-tertiary); }

/* ---- App Detail ---- */
.app-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: start;
  padding: var(--space-4xl) 0;
  border-bottom: 1px solid var(--color-border-light);
}
.app-detail:last-child { border-bottom: none; }
.app-detail-visual {
  aspect-ratio: 4/3;
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.app-detail-visual img { width: 100%; height: 100%; object-fit: cover; }
.app-tags { display: flex; flex-wrap: wrap; gap: var(--space-xs); margin: var(--space-md) 0; }
.app-tags span {
  font-size: 0.6875rem;
  padding: 0.25rem 0.75rem;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 500;
  letter-spacing: 0.03em;
  border-radius: 2px;
}

/* ---- Guide Box ---- */
.guide-box {
  margin-top: var(--space-3xl);
  padding: var(--space-2xl);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}
.guide-box h3 {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}
.guide-box ol { padding-left: var(--space-xl); }
.guide-box ol li {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
  line-height: 1.65;
}
.guide-box ol li strong { color: var(--color-text); }

/* ---- CTA Section ---- */
.cta-section {
  background: var(--color-primary);
  padding: var(--space-5xl) 0;
  text-align: center;
}
.cta-section h2 { color: #fff; margin-bottom: var(--space-sm); }
.cta-section p { color: rgba(255,255,255,0.75); margin-bottom: var(--space-2xl); font-size: 1rem; }
.cta-section .cta-actions { display: flex; gap: var(--space-md); justify-content: center; flex-wrap: wrap; }
.cta-section .btn-outline {
  color: #fff;
  border-color: rgba(255,255,255,0.3);
}
.cta-section .btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
  color: #fff;
}

/* ---- Footer ---- */
.footer {
  background: #1A1A1A;
  border-top: none;
  padding: var(--space-4xl) 0;
  font-size: 0.8125rem;
  color: #aaa;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-2xl);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-3xl);
}
.footer h4 {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-md);
  color: #fff;
}
.footer a { color: #aaa; text-decoration: none; }
.footer a:hover { color: #fff; }
.footer .footer-links li { margin-bottom: var(--space-sm); }
.footer-bottom {
  max-width: var(--max-width);
  margin: var(--space-2xl) auto 0;
  padding: var(--space-xl) var(--space-2xl) 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  font-size: 0.75rem;
  color: #666;
}

/* ---- Back to Top ---- */
.back-to-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.125rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--dur-base) var(--ease);
  z-index: 100;
  box-shadow: 0 4px 12px rgba(45,125,45,0.3);
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

/* ---- Content Area (for WordPress page content) ---- */
.content-area { padding: var(--space-4xl) 0; }
.content-area .entry-content {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: 0 var(--space-2xl);
}

/* ---- Animations ---- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.animate-in { animation: fadeUp 0.5s var(--ease) forwards; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; }
  .product-hero-inner { grid-template-columns: 1fr; }
  .sp-block { grid-template-columns: 1fr; gap: var(--space-2xl); }
  .sp-block .sp-visual:nth-child(1) { order: 0; }
  .pain-grid { grid-template-columns: 1fr; }
  .app-grid { grid-template-columns: repeat(2, 1fr); }
  .factory-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: repeat(3, 1fr); }
  .partner-grid { grid-template-columns: repeat(3, 1fr); }
  .adv-grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .adv-secondary { grid-template-columns: repeat(2, 1fr); }
  .app-detail { grid-template-columns: 1fr; gap: var(--space-xl); }
  .cert-columns { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: var(--space-2xl); }
}

@media (max-width: 768px) {
  :root { --space-5xl: 4rem; --space-4xl: 3rem; }
  .main-menu {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  }
  .main-menu.open { display: flex; }
  .nav-mobile-toggle { display: flex; }
  .hero { padding: var(--space-3xl) 0; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .form-row { grid-template-columns: 1fr; }
  .app-grid { grid-template-columns: 1fr; }
  .factory-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .partner-grid { grid-template-columns: repeat(2, 1fr); }
  .adv-secondary { grid-template-columns: 1fr; }
  .process-flow { flex-direction: column; align-items: center; }
  .process-arrow { transform: rotate(90deg); }
}

@media print {
  .nav, .global-cta-bar, .back-to-top, .footer, .btn { display: none !important; }
  body { padding-top: 0; }
}