/* ============================================================
   マモルくん HP — "Clean Guardian" Design System
   ============================================================ */

:root {
  /* Primary blue scale */
  --primary: #2563EB;
  --primary-dark: #1E40AF;
  --primary-light: #3B82F6;
  --primary-50: #EFF6FF;
  --primary-100: #DBEAFE;

  /* Secondary teal */
  --secondary: #0891B2;
  --secondary-light: #22D3EE;
  --secondary-50: #ECFEFF;

  /* Accent amber */
  --accent: #F59E0B;
  --accent-dark: #D97706;
  --accent-light: #FDE68A;
  --accent-50: #FFFBEB;

  /* Neutrals */
  --white: #FFFFFF;
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1E293B;
  --gray-900: #0F172A;

  /* Semantic */
  --bg: var(--white);
  --bg-alt: var(--gray-50);
  --text: var(--gray-900);
  --text-secondary: var(--gray-500);
  --border: var(--gray-200);
  --line-green: #06C755;
  --line-green-hover: #05A849;
  --danger: #DC2626;
  --danger-bg: #FEF2F2;
  --warning: #F59E0B;
  --warning-bg: #FFFBEB;
  --safe: #22C55E;
  --safe-bg: #F0FDF4;
  --accent-warm: #e67e00;

  /* Radii */
  --r-xs: 6px;
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 20px;
  --r-pill: 100px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 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(0,0,0,0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
  --shadow-blue: 0 4px 14px rgba(37,99,235,0.2);
  --shadow-blue-lg: 0 8px 25px rgba(37,99,235,0.25);

  /* Type */
  --font-display: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', system-ui, -apple-system, sans-serif;
  --font-body: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', system-ui, -apple-system, sans-serif;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
strong { font-weight: 700; }

/* --- Layout --- */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 28px;
}
.container-narrow { max-width: 720px; }
.container-mid { max-width: 760px; }
.container-wide { max-width: 860px; }
.container-wider { max-width: 960px; }

.section { padding: 96px 0; }

/* --- Scroll Reveal --- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.12s; }
.reveal-delay-2 { transition-delay: 0.24s; }
.reveal-delay-3 { transition-delay: 0.36s; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(226,232,240,0.6);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 28px;
  max-width: 1080px;
  margin: 0 auto;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.logo:hover { text-decoration: none; }

.logo img {
  width: 36px;
  height: 36px;
  border-radius: var(--r-sm);
  object-fit: cover;
}

.logo-name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  color: var(--gray-900);
  letter-spacing: -0.02em;
}
.logo-name span { color: var(--primary); }

/* Nav */
.nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
  margin-right: 14px;
}

.nav-link {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-500);
  text-decoration: none;
  padding: 6px 14px;
  border-radius: var(--r-sm);
  transition: color 0.15s, background 0.15s;
  white-space: nowrap;
  position: relative;
}
.nav-link:hover {
  color: var(--gray-900);
  background: var(--gray-100);
  text-decoration: none;
}

.page-top .nav-home,
.page-about .nav-about,
.page-faq .nav-faq,
.page-contact .nav-contact,
.page-examples .nav-examples,
.page-guide .nav-guide,
.page-blog .nav-blog,
.page-blog-article .nav-blog {
  color: var(--primary);
  font-weight: 700;
}
.page-top .nav-home::after,
.page-about .nav-about::after,
.page-faq .nav-faq::after,
.page-contact .nav-contact::after,
.page-examples .nav-examples::after,
.page-guide .nav-guide::after,
.page-blog .nav-blog::after,
.page-blog-article .nav-blog::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: auto;
  order: 2;
}
.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Header CTA */
.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--line-green);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 12px;
  padding: 8px 16px;
  border-radius: var(--r-pill);
  text-decoration: none;
  transition: background 0.15s, transform 0.15s;
  flex-shrink: 0;
  letter-spacing: 0.01em;
}
.header-cta:hover {
  background: var(--line-green-hover);
  transform: translateY(-1px);
  text-decoration: none;
}
.header-cta svg { width: 14px; height: 14px; }

/* ============================================================
   HERO — Gradient mesh
   ============================================================ */
.hero {
  padding: 80px 0 0;
  background: var(--gray-900);
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Gradient mesh background */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 100%, rgba(37,99,235,0.25) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 0%, rgba(8,145,178,0.2) 0%, transparent 50%),
    radial-gradient(ellipse 50% 50% at 50% 50%, rgba(37,99,235,0.08) 0%, transparent 60%);
  pointer-events: none;
}

/* Subtle grid pattern */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.hero .container { position: relative; z-index: 1; }

/* Mascot circle */
.hero-character {
  width: 140px;
  height: 140px;
  background: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 28px;
  box-shadow:
    0 0 0 4px rgba(37,99,235,0.3),
    0 0 0 12px rgba(37,99,235,0.08),
    0 8px 40px rgba(0,0,0,0.25);
  position: relative;
}

.hero-character img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.speech-bubble {
  position: absolute;
  top: -6px;
  right: -60px;
  background: var(--primary);
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 11px;
  padding: 5px 14px;
  border-radius: var(--r-pill);
  white-space: nowrap;
  letter-spacing: 0.02em;
  box-shadow: 0 2px 8px rgba(37,99,235,0.3);
}
.speech-bubble::before {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 12px;
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 0 0 4px 0;
  transform: rotate(45deg);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  color: rgba(255,255,255,0.8);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 6px 18px;
  border-radius: var(--r-pill);
  margin-bottom: 24px;
  letter-spacing: 0.04em;
}

.hero-badge::before {
  content: '';
  width: 7px;
  height: 7px;
  background: var(--safe);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
  box-shadow: 0 0 6px rgba(34,197,94,0.4);
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 6vw, 50px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 18px;
}

.hero h1 .accent {
  background: linear-gradient(135deg, var(--secondary-light), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 16px;
  color: rgba(255,255,255,0.65);
  line-height: 1.75;
  margin-bottom: 36px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.hero-trust {
  display: flex;
  justify-content: center;
  gap: 32px;
  padding: 28px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-top: 44px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  font-weight: 500;
}

.trust-check {
  color: var(--secondary-light);
  font-weight: 900;
  font-size: 14px;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-line {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--line-green);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  padding: 16px 40px;
  border-radius: var(--r-pill);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 14px rgba(6,199,85,0.3);
  letter-spacing: 0.01em;
}
.btn-line:hover {
  background: var(--line-green-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(6,199,85,0.35);
  text-decoration: none;
}
.btn-line svg { width: 20px; height: 20px; }

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  padding: 14px 32px;
  border-radius: var(--r-pill);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.15s, transform 0.15s;
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  text-decoration: none;
}

/* ============================================================
   SECTION LABELS & TITLES
   ============================================================ */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-50);
  padding: 4px 14px;
  border-radius: var(--r-pill);
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.025em;
  color: var(--gray-900);
  margin-bottom: 14px;
}

.section-sub {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 500px;
}

/* ============================================================
   STATS STRIP
   ============================================================ */
.stats-strip {
  background: var(--primary-dark);
  padding: 40px 0;
}

.stats-strip .container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 52px;
}

.stat {
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 900;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.15);
}

/* ============================================================
   HOW-TO STEPS
   ============================================================ */
.howto { background: var(--bg); }

.howto-header {
  text-align: center;
  margin-bottom: 56px;
}
.howto-header .section-sub { margin: 0 auto; }

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.step-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--r-lg);
  padding: 36px 28px;
  text-align: center;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}
.step-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  opacity: 0;
  transition: opacity 0.25s;
}
.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.step-card:hover::before { opacity: 1; }

.step-num {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: var(--shadow-blue);
}

.step-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-50);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  color: var(--primary);
}
.step-icon svg { width: 24px; height: 24px; }

.step-emoji {
  font-size: 28px;
  margin-bottom: 10px;
}

.step-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.step-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================================
   FEATURES
   ============================================================ */
.features { background: var(--bg-alt); }

.features-header {
  text-align: center;
  margin-bottom: 56px;
}
.features-header .section-sub { margin: 0 auto; }

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--r-lg);
  padding: 36px 28px;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 52px;
  height: 52px;
  background: var(--primary-50);
  border: 1px solid var(--primary-100);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 18px;
  color: var(--primary);
}
.feature-icon svg { width: 26px; height: 26px; }

.feature-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--gray-900);
  margin-bottom: 10px;
}

.feature-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 16px;
}

.feature-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-50);
  padding: 4px 12px;
  border-radius: var(--r-pill);
  letter-spacing: 0.02em;
}

/* ============================================================
   PREMIUM / PRICING
   ============================================================ */
.premium { background: var(--bg); }

.premium-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 56px;
  align-items: start;
}

.premium-content .section-title { margin-bottom: 16px; }

.plan-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.plan-card {
  padding: 28px;
  border-radius: var(--r-lg);
  position: relative;
}

.plan-card.free {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
}

.plan-card.pro {
  background: var(--gray-900);
  color: #fff;
  box-shadow: var(--shadow-xl);
}
.plan-card.pro::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: var(--r-lg) var(--r-lg) 0 0;
}

.plan-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: var(--r-pill);
  margin-bottom: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.plan-card.free .plan-badge { background: var(--gray-200); color: var(--gray-600); }
.plan-card.pro .plan-badge { background: rgba(37,99,235,0.2); color: var(--primary-light); }

.plan-name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 900;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}
.plan-card.free .plan-name { color: var(--gray-900); }
.plan-card.pro .plan-name { color: #fff; }

.plan-price {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 16px;
  letter-spacing: -0.03em;
}
.plan-card.free .plan-price { color: var(--gray-900); }
.plan-card.pro .plan-price { color: #fff; }
.plan-price .unit { font-size: 14px; font-weight: 500; letter-spacing: 0; }

.plan-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.plan-list li { display: flex; align-items: flex-start; gap: 8px; font-size: 13px; line-height: 1.6; }
.plan-card.free .plan-list li { color: var(--gray-500); }
.plan-card.pro .plan-list li { color: rgba(255,255,255,0.7); }

.plan-check {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 900;
  flex-shrink: 0;
  margin-top: 1px;
}
.plan-card.free .plan-check { background: var(--gray-200); color: var(--primary); }
.plan-card.pro .plan-check { background: rgba(37,99,235,0.25); color: var(--primary-light); }

.plan-cta {
  display: block;
  text-align: center;
  margin-top: 20px;
  background: var(--primary);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  padding: 12px 24px;
  border-radius: var(--r-pill);
  text-decoration: none;
  transition: background 0.15s, transform 0.15s, box-shadow 0.15s;
}
.plan-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-blue);
  text-decoration: none;
}
.plan-badge.popular {
  background: var(--primary);
  color: #fff;
}
.plan-badge.best {
  background: var(--accent);
  color: var(--gray-900);
}
.plan-card.annual {
  background: linear-gradient(135deg, #1a1405 0%, #2d2208 100%);
  border: 1px solid rgba(245,158,11,0.2);
  box-shadow: 0 4px 20px rgba(245,158,11,0.08);
  position: relative;
  overflow: hidden;
}
.plan-card.annual::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-dark), var(--accent));
}
.plan-card.annual .plan-name { color: #fff; }
.plan-card.annual .plan-price { color: #fff; }
.plan-card.annual .plan-list li { color: rgba(255,255,255,0.85); }
.plan-card.annual .plan-check {
  background: rgba(245,158,11,0.25);
  color: var(--accent);
}
.plan-card.annual .plan-cta {
  background: var(--accent);
  color: var(--gray-900);
}
.plan-card.annual .plan-cta:hover {
  background: var(--accent-dark);
}
.plan-price-sub {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  margin-top: -12px;
  margin-bottom: 16px;
}

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
  padding: 88px 0;
  background: var(--gray-900);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 80% at 30% 50%, rgba(37,99,235,0.15) 0%, transparent 60%),
    radial-gradient(ellipse 50% 80% at 70% 50%, rgba(8,145,178,0.1) 0%, transparent 60%);
  pointer-events: none;
}
.cta-banner .container { position: relative; z-index: 1; }

.cta-banner h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 5vw, 42px);
  font-weight: 900;
  color: #fff;
  line-height: 1.25;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}
.cta-banner .gold {
  background: linear-gradient(135deg, var(--secondary-light), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cta-banner p {
  font-size: 15px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 36px;
  max-width: 440px;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner .btn-line { font-size: 17px; padding: 18px 44px; }

.cta-note {
  margin-top: 16px;
  font-size: 12px;
  color: rgba(255,255,255,0.45);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: #060D14;
  padding: 52px 0 36px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-brand { flex-shrink: 0; }

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  margin-bottom: 8px;
}
.footer-logo:hover { text-decoration: none; }
.footer-logo img { width: 28px; height: 28px; border-radius: var(--r-xs); object-fit: cover; }
.footer-logo-text {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 800;
  color: rgba(255,255,255,0.8);
  letter-spacing: -0.02em;
}

.footer-tagline { font-size: 12px; color: rgba(255,255,255,0.4); }

.footer-nav-group { display: flex; gap: 48px; }

.footer-nav { display: flex; flex-direction: column; gap: 6px; }
.footer-nav h4 {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.footer-nav a {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: color 0.15s;
}
.footer-nav a:hover { color: rgba(255,255,255,0.8); text-decoration: none; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
}
.footer-company { font-size: 12px; color: rgba(255,255,255,0.4); }
.footer-copy { font-size: 11px; color: rgba(255,255,255,0.3); }

/* ============================================================
   CONTENT PAGES
   ============================================================ */
.page-header {
  background: var(--gray-900);
  color: #fff;
  padding: 48px 0 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(37,99,235,0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 50%, rgba(8,145,178,0.08) 0%, transparent 50%);
  pointer-events: none;
}
.page-header h1 {
  font-family: var(--font-display);
  font-size: clamp(26px, 5vw, 36px);
  font-weight: 900;
  color: #fff;
  margin-bottom: 6px;
  letter-spacing: -0.02em;
  position: relative;
}
.page-header p { font-size: 15px; color: rgba(255,255,255,0.6); position: relative; }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: rgba(255,255,255,0.35);
  margin-bottom: 16px;
  justify-content: center;
  position: relative;
}
.breadcrumb a { color: rgba(255,255,255,0.6); text-decoration: none; }
.breadcrumb a:hover { color: rgba(255,255,255,0.8); text-decoration: underline; }
.breadcrumb-sep { color: rgba(255,255,255,0.2); }

/* Content body */
.content-body { padding: 56px 0 80px; background: var(--bg); }
.content-body .container { max-width: 720px; }
.content-body .container.container-wide { max-width: 860px; }
.content-body .container.container-mid { max-width: 760px; }
.content-body .container.container-wider { max-width: 960px; }

.content-body h2 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 900;
  color: var(--gray-900);
  margin-top: 40px;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--gray-200);
  letter-spacing: -0.01em;
}
.content-body h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-900);
  margin-top: 28px;
  margin-bottom: 10px;
}
.content-body p { margin-bottom: 14px; line-height: 1.85; }
.content-body ul, .content-body ol { margin-bottom: 14px; padding-left: 22px; }
.content-body li { margin-bottom: 6px; line-height: 1.8; }
.content-body a { color: var(--primary); font-weight: 500; }
.content-body a:hover { color: var(--primary-dark); }

/* Company table */
.info-table { width: 100%; border-collapse: collapse; margin: 24px 0; }
.info-table th,
.info-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--gray-200);
  font-size: 14px;
  line-height: 1.7;
}
.info-table th {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--gray-900);
  width: 140px;
  background: var(--gray-50);
  white-space: nowrap;
}
.info-table td { color: var(--text); }

/* ============================================================
   FAQ ACCORDION
   ============================================================ */
.faq-list { display: flex; flex-direction: column; gap: 8px; }

.faq-item {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--r-md);
  overflow: hidden;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 16px 20px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--gray-900);
  text-align: left;
  line-height: 1.6;
  transition: background 0.15s;
  gap: 12px;
}
.faq-question:hover { background: var(--gray-100); }

.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.3s, background 0.3s, color 0.3s;
  font-size: 14px;
  color: var(--gray-500);
  font-weight: 700;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
}

.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-answer-inner { padding: 0 20px 16px; font-size: 14px; color: var(--text-secondary); line-height: 1.8; }
.faq-item.open .faq-answer { max-height: 800px; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.contact-info {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--r-md);
  padding: 28px;
}
.contact-info h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
}
.contact-info p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 10px; }
.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  color: var(--text);
  margin-bottom: 8px;
}
.contact-info-item span:first-child { font-size: 16px; flex-shrink: 0; }

.form-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--r-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.form-group { margin-bottom: 18px; }
.form-label {
  display: block;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 5px;
}
.form-required { font-size: 10px; color: var(--danger); font-weight: 700; margin-left: 4px; }

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text);
  background: var(--gray-50);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--r-sm);
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}
.form-textarea { resize: vertical; min-height: 120px; }
.form-submit { width: 100%; }

/* ============================================================
   OUTLINE BUTTON
   ============================================================ */
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  color: var(--primary);
  background: transparent;
  border: 1.5px solid var(--gray-300);
  padding: 12px 28px;
  border-radius: var(--r-pill);
  text-decoration: none;
  transition: border-color 0.15s, color 0.15s, background 0.15s, transform 0.15s;
}
.btn-outline:hover {
  border-color: var(--primary);
  background: var(--primary-50);
  transform: translateY(-1px);
  text-decoration: none;
}

.section-cta {
  text-align: center;
  margin-top: 44px;
}

/* ============================================================
   FRAUD STATS (top page)
   ============================================================ */
.fraud-stats {
  background: var(--gray-900);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

/* Ambient glow */
.fraud-stats::before {
  content: '';
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(37,99,235,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.fraud-stats-header {
  text-align: center;
  margin-bottom: 56px;
  position: relative;
}

.fraud-stats-header .section-sub { margin: 0 auto; }

.fraud-stats-label {
  color: var(--secondary-light);
  background: rgba(8,145,178,0.15);
}

.fraud-stats-title {
  color: var(--white);
}

.fraud-stats-sub {
  color: var(--gray-400);
}

/* --- Hero number + breakdown --- */
.fs-hero {
  text-align: center;
  margin-bottom: 56px;
  position: relative;
}

.fs-hero-label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  color: var(--gray-400);
  letter-spacing: 0.12em;
  margin-bottom: 12px;
}

.fs-hero-num {
  font-family: var(--font-display);
  font-size: clamp(56px, 13vw, 100px);
  font-weight: 900;
  color: var(--white);
  line-height: 1.0;
  letter-spacing: -0.04em;
  text-shadow: 0 0 80px rgba(37,99,235,0.2);
}

.fs-hero-unit {
  font-size: 0.32em;
  font-weight: 700;
  letter-spacing: 0;
  vertical-align: 0.1em;
  color: var(--gray-400);
}

.fs-hero-daily {
  font-size: 14px;
  color: var(--gray-400);
  margin-top: 14px;
  margin-bottom: 36px;
}

.fs-hero-daily strong {
  color: var(--white);
  font-weight: 700;
}

.fs-breakdown {
  display: flex;
  border-radius: var(--r-md);
  overflow: hidden;
  height: 48px;
  max-width: 520px;
  margin: 0 auto;
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.3);
}

.fs-breakdown-seg {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 16px;
  font-size: 13px;
  font-family: var(--font-display);
  font-weight: 700;
  white-space: nowrap;
  transition: flex 0.6s ease;
}

.fs-seg-tokushu {
  background: var(--primary);
  color: var(--white);
}

.fs-seg-sns {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--gray-900);
}

.fs-seg-label {
  opacity: 0.8;
  font-weight: 500;
}

.fs-seg-val {
  font-weight: 900;
}

/* --- Chart cards --- */
.fs-charts-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 24px;
}

.fs-chart-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--r-lg);
  padding: 28px 24px 20px;
  backdrop-filter: blur(8px);
}

.fs-chart-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--white);
  margin-bottom: 6px;
}

.fs-chart-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  color: var(--gray-900);
  background: var(--accent);
  padding: 3px 12px;
  border-radius: var(--r-pill);
  letter-spacing: 0.02em;
  margin-bottom: 24px;
}

.fs-chart-source {
  display: block;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.2);
  margin-top: 16px;
}

/* --- Vertical bar chart --- */
.vbar-wrap {
  position: relative;
}

.vbar-chart {
  display: flex;
  gap: 6px;
  height: 190px;
  position: relative;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Gridlines */
.vbar-chart::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to bottom, rgba(255,255,255,0.04) 0px, transparent 1px);
  background-size: 100% 25%;
  background-position: top;
  pointer-events: none;
  z-index: 0;
}

.vbar-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  height: 100%;
  position: relative;
  z-index: 1;
}

.vbar-val {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.45);
  white-space: nowrap;
  margin-bottom: 5px;
  opacity: 1;
  transition: opacity 0.3s ease;
  transition-delay: 0.6s;
}

.reveal:not(.visible) .vbar-val {
  opacity: 0;
  transition-delay: 0s;
}

.vbar-val-gold {
  color: var(--accent);
  font-size: 11px;
}

.vbar-bar {
  width: 72%;
  height: var(--h);
  min-height: 4px;
  background: var(--primary);
  border-radius: 4px 4px 0 0;
  transform-origin: bottom center;
  transform: scaleY(1);
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal:not(.visible) .vbar-bar {
  transform: scaleY(0);
}

.vbar-bar-gold {
  background: linear-gradient(to top, var(--accent), var(--accent-light));
  box-shadow: 0 -6px 24px rgba(245, 158, 11, 0.2);
}

.vbar-axis {
  display: flex;
  gap: 6px;
  margin-top: 10px;
}

.vbar-axis span {
  flex: 1;
  text-align: center;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.4);
}

.vbar-axis-gold {
  color: var(--accent) !important;
}

/* --- Age chart (horizontal bars) --- */
.fs-age-card {
  margin-bottom: 0;
}

.fs-age-chart {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 600px;
}

.fs-age-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.fs-age-label {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.45);
  width: 44px;
  text-align: right;
  flex-shrink: 0;
}

.fs-age-row-accent .fs-age-label {
  color: var(--accent);
}

.fs-age-track {
  flex: 1;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 6px;
  height: 34px;
  overflow: hidden;
}

.fs-age-fill {
  height: 100%;
  width: var(--w);
  background: var(--primary);
  border-radius: 6px;
  transform-origin: left center;
  transform: scaleX(1);
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal:not(.visible) .fs-age-fill {
  transform: scaleX(0);
}

.fs-age-fill-gold {
  background: linear-gradient(to right, var(--accent), var(--accent-light));
  box-shadow: 4px 0 20px rgba(245, 158, 11, 0.15);
}

.fs-age-pct {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.45);
  width: 40px;
  flex-shrink: 0;
}

.fs-age-row-accent .fs-age-pct {
  color: var(--accent);
}

.fs-age-tag {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  color: var(--gray-900);
  background: var(--accent);
  padding: 2px 10px;
  border-radius: var(--r-pill);
  flex-shrink: 0;
  letter-spacing: 0.04em;
}

/* --- Footnote --- */
.fraud-stats-footnote {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.2);
  margin-top: 44px;
  text-align: center;
  line-height: 1.7;
}

/* ============================================================
   EXAMPLES PREVIEW (top page)
   ============================================================ */
.examples-preview { background: var(--bg-alt); }
.examples-preview .section-label,
.examples-preview .section-title,
.examples-preview .section-sub { text-align: center; }
.examples-preview .section-sub { margin: 0 auto; }

.examples-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.example-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s;
}
.example-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.example-header {
  padding: 14px 20px;
  font-size: 13px;
  font-weight: 700;
  font-family: var(--font-display);
}
.example-header.danger { background: var(--danger-bg); border-bottom: 2px solid var(--danger); }
.example-header.warning { background: var(--warning-bg); border-bottom: 2px solid var(--warning); }
.example-header.safe { background: var(--safe-bg); border-bottom: 2px solid var(--safe); }

.example-risk {
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.risk-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}
.risk-dot.high { background: var(--danger); }
.risk-dot.medium { background: var(--warning); }
.risk-dot.low { background: var(--safe); }

.example-body { padding: 20px; }

.example-message {
  background: var(--gray-50);
  border-radius: var(--r-sm);
  padding: 14px;
  margin-bottom: 14px;
}

.example-label {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.example-text {
  font-size: 13px;
  color: var(--gray-900);
  line-height: 1.7;
}

.example-result { padding: 0 2px; }

.example-verdict {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================================
   FAQ PREVIEW (top page)
   ============================================================ */
.faq-preview { background: var(--bg); }
.faq-preview .section-label,
.faq-preview .section-title { text-align: center; }

.faq-preview-list {
  max-width: 660px;
  margin: 40px auto 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-preview-item {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--r-lg);
  padding: 22px 28px;
  transition: box-shadow 0.2s;
}
.faq-preview-item:hover {
  box-shadow: var(--shadow-sm);
}

.faq-preview-q {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--gray-900);
  margin-bottom: 8px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.faq-preview-q::before {
  content: 'Q';
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  background: var(--primary);
  color: #fff;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 900;
  border-radius: var(--r-sm);
  flex-shrink: 0;
  margin-top: 0px;
}

.faq-preview-a {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
  padding-left: 36px;
}

/* ============================================================
   FOUNDER MESSAGE (about page)
   ============================================================ */
.founder-message {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-left: 3px solid var(--primary);
  border-radius: var(--r-md);
  padding: 28px 32px;
  margin: 16px 0 32px;
}
.founder-message p { color: var(--text); line-height: 1.85; }
.founder-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  color: var(--gray-900);
  margin-top: 16px;
  text-align: right;
}

/* ============================================================
   EXAMPLES PAGE (/examples/)
   ============================================================ */
.examples-page-grid {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-top: 24px;
}

.example-full {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.example-full-header {
  padding: 16px 24px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.example-full-header.danger { background: var(--danger-bg); border-bottom: 2px solid var(--danger); }
.example-full-header.warning { background: var(--warning-bg); border-bottom: 2px solid var(--warning); }
.example-full-header.safe { background: var(--safe-bg); border-bottom: 2px solid var(--safe); }

.example-full-type {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-secondary);
  background: rgba(0,0,0,0.05);
  padding: 3px 10px;
  border-radius: var(--r-xs);
  letter-spacing: 0.04em;
}

.example-full-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.example-full-left {
  padding: 24px;
  background: var(--gray-50);
  border-right: 1px solid var(--gray-200);
}

.example-full-right { padding: 24px; }

.example-full-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.example-full-text {
  font-size: 14px;
  color: var(--gray-900);
  line-height: 1.8;
}

.example-full-verdict {
  font-size: 14px;
  color: var(--text);
  line-height: 1.8;
}

.example-full-advice {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--gray-200);
}
.example-full-advice-title {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 6px;
}
.example-full-advice ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.example-full-advice li {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
  padding-left: 16px;
  position: relative;
  margin-bottom: 4px;
}
.example-full-advice li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 900;
}

/* ============================================================
   GUIDE PAGE (/guide/)
   ============================================================ */
.guide-steps {
  display: flex;
  flex-direction: column;
  gap: 36px;
  margin-top: 24px;
}

.guide-step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 24px;
  align-items: start;
}

.guide-step-num {
  width: 56px;
  height: 56px;
  background: var(--primary);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-blue);
}

.guide-step-content { padding-top: 4px; }

.guide-step-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  color: var(--gray-900);
  margin-bottom: 10px;
}

.guide-step-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 14px;
}

.guide-tip {
  background: var(--primary-50);
  border: 1px solid var(--primary-100);
  border-radius: var(--r-sm);
  padding: 14px 18px;
  font-size: 13px;
  color: var(--text);
  line-height: 1.7;
}
.guide-tip::before {
  content: '💡';
  margin-right: 6px;
}

.guide-cta {
  text-align: center;
  margin-top: 48px;
  padding: 40px;
  background: var(--gray-50);
  border-radius: var(--r-lg);
  border: 1px solid var(--gray-200);
}
.guide-cta h3 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 22px;
  color: var(--gray-900);
  margin-bottom: 10px;
}
.guide-cta p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

/* ============================================================
   BLOG (/blog/)
   ============================================================ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 24px;
}

.blog-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s;
  text-decoration: none;
  display: block;
}
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}

.blog-card-body { padding: 24px; }

.blog-card-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-50);
  padding: 3px 10px;
  border-radius: var(--r-pill);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.blog-card-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--gray-900);
  line-height: 1.4;
  margin-bottom: 8px;
}

.blog-card-excerpt {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 12px;
}

.blog-card-date {
  font-size: 12px;
  color: var(--gray-400);
}

/* Blog article */
.blog-article { max-width: 720px; }
.blog-article-header { margin-bottom: 32px; }
.blog-article-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-50);
  padding: 3px 12px;
  border-radius: var(--r-pill);
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}
.blog-article-date {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.blog-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  margin-top: 40px;
}
.blog-back:hover { color: var(--primary-dark); text-decoration: none; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .steps { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .examples-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .fs-charts-row { grid-template-columns: 1fr; gap: 20px; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }

  /* Header */
  .nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 8px 12px 12px;
    border-bottom: 1px solid var(--gray-200);
    transform: translateY(-110%);
    opacity: 0;
    transition: transform 0.25s ease, opacity 0.25s ease;
    pointer-events: none;
    margin: 0;
    gap: 2px;
  }
  .nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-link { padding: 10px 16px; font-size: 14px; width: 100%; border-radius: var(--r-sm); }
  .nav-toggle { display: flex; }
  .header-cta { order: 3; }

  .page-top .nav-home::after,
  .page-about .nav-about::after,
  .page-faq .nav-faq::after,
  .page-contact .nav-contact::after,
  .page-examples .nav-examples::after,
  .page-guide .nav-guide::after,
  .page-blog .nav-blog::after,
  .page-blog-article .nav-blog::after { display: none; }

  /* Hero */
  .hero { padding: 56px 0 0; }
  .hero-character { width: 120px; height: 120px; }
  .speech-bubble { right: -44px; font-size: 10px; padding: 4px 10px; }
  .hero-trust { flex-direction: column; align-items: center; gap: 10px; }

  /* Stats */
  .stats-strip .container { flex-wrap: wrap; gap: 24px; }
  .stat-divider { display: none; }

  /* Steps */
  .steps { grid-template-columns: 1fr; gap: 14px; }
  .step-card {
    display: flex;
    align-items: flex-start;
    text-align: left;
    gap: 16px;
    padding: 22px;
  }
  .step-card::before { display: none; }
  .step-num { margin: 0; flex-shrink: 0; width: 40px; height: 40px; font-size: 16px; }
  .step-icon { display: none; }
  .step-emoji { display: none; }

  /* Features */
  .features-grid { grid-template-columns: 1fr; }

  /* Fraud Stats */
  .fs-charts-row { grid-template-columns: 1fr; }
  .fs-chart-card { padding: 22px 16px 16px; }
  .fs-breakdown { height: 40px; }
  .fs-breakdown-seg { font-size: 11px; gap: 4px; padding: 0 10px; }
  .vbar-chart { height: 160px; }
  .vbar-bar { width: 64%; }
  .vbar-val { font-size: 9px; }
  .fs-age-chart { max-width: 100%; }

  /* Examples preview */
  .examples-grid { grid-template-columns: 1fr; }

  /* Examples page */
  .example-full-body { grid-template-columns: 1fr; }
  .example-full-left { border-right: none; border-bottom: 1px solid var(--gray-200); }

  /* Guide */
  .guide-step { grid-template-columns: 44px 1fr; gap: 16px; }
  .guide-step-num { width: 44px; height: 44px; font-size: 20px; }
  .guide-step-title { font-size: 18px; }

  /* Blog */
  .blog-grid { grid-template-columns: 1fr; }

  /* Premium */
  .premium-inner { grid-template-columns: 1fr; }

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

  /* Footer */
  .footer-top { flex-direction: column; gap: 24px; }
  .footer-nav-group { gap: 28px; flex-wrap: wrap; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 4px; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 28px; }
  .hero-sub { font-size: 14px; }
  .btn-line { font-size: 15px; padding: 14px 28px; }
  .header-cta { font-size: 11px; padding: 7px 12px; }
  .logo-name { font-size: 16px; }
  .cta-banner .btn-line { font-size: 15px; padding: 16px 32px; }
  .footer-nav-group { flex-direction: column; gap: 20px; }
  .info-table th { width: 100px; }
}