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

:root {
  --line-green: #06C755;
  --line-green-dark: #05a847;
  --line-green-light: #e8f9ef;
  --sage: #7eb89a;
  --sage-light: #f0f8f4;
  --mint: #d4ede2;
  --peach: #fff0eb;
  --warm-white: #fafaf8;
  --text-dark: #1a1a2e;
  --text-mid: #4a5568;
  --text-light: #718096;
  --border: #e8ecf0;
  --shadow-sm: 0 2px 8px rgba(0,0,0,.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,.10);
  --shadow-lg: 0 8px 40px rgba(0,0,0,.14);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --font: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text-dark);
  background: var(--warm-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

img { max-width: 100%; }

a { text-decoration: none; color: inherit; }

/* ===== Typography ===== */
.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--line-green-dark);
  background: var(--line-green-light);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 900;
  line-height: 1.3;
  color: var(--text-dark);
  margin-bottom: 48px;
}

/* ===== Buttons ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--line-green);
  color: #fff;
  font-weight: 700;
  border-radius: 100px;
  padding: 14px 28px;
  font-size: 15px;
  transition: background .2s, transform .15s, box-shadow .2s;
  box-shadow: 0 4px 16px rgba(6,199,85,.3);
}
.btn-primary:hover { background: var(--line-green-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(6,199,85,.4); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  color: var(--text-mid);
  font-weight: 600;
  border-radius: 100px;
  padding: 14px 28px;
  font-size: 15px;
  border: 2px solid var(--border);
  transition: border-color .2s, color .2s, transform .15s;
}
.btn-ghost:hover { border-color: var(--line-green); color: var(--line-green); transform: translateY(-2px); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: transparent;
  color: var(--line-green-dark);
  font-weight: 700;
  border-radius: 100px;
  padding: 13px 28px;
  font-size: 15px;
  border: 2px solid var(--line-green);
  transition: background .2s, color .2s, transform .15s;
}
.btn-outline:hover { background: var(--line-green-light); transform: translateY(-2px); }

.btn-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: #fff;
  color: var(--line-green-dark);
  font-weight: 700;
  border-radius: 100px;
  padding: 18px 40px;
  font-size: 17px;
  box-shadow: 0 4px 20px rgba(0,0,0,.15);
  transition: transform .15s, box-shadow .2s;
}
.btn-white:hover { transform: translateY(-3px); box-shadow: 0 8px 28px rgba(0,0,0,.2); }

.btn-lg { padding: 16px 32px; font-size: 16px; }
.btn-xl { padding: 20px 48px; font-size: 18px; }
.btn-block { width: 100%; justify-content: center; }

/* ===== Nav ===== */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  max-width: 1120px;
  margin: 0 auto;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-icon { font-size: 24px; }
.logo-text {
  font-size: 22px;
  font-weight: 900;
  color: var(--text-dark);
  letter-spacing: -.02em;
}

.nav-cta {
  background: var(--line-green);
  color: #fff;
  padding: 10px 22px;
  border-radius: 100px;
  font-weight: 700;
  font-size: 14px;
  transition: background .2s;
}
.nav-cta:hover { background: var(--line-green-dark); }

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, #f0faf5 0%, #fff8f5 50%, #f5f0ff 100%);
  overflow: hidden;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  max-width: 1120px;
  margin: 0 auto;
  padding: 60px 32px 80px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--line-green);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}
.hero-badge::before { content: "✓"; }

.hero-title {
  font-size: clamp(36px, 5vw, 58px);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--text-dark);
  letter-spacing: -.02em;
}

.highlight {
  color: var(--line-green);
  position: relative;
}
.highlight::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  width: 100%;
  height: 6px;
  background: rgba(6,199,85,.2);
  border-radius: 3px;
  z-index: -1;
}

.hero-sub {
  font-size: 16px;
  color: var(--text-mid);
  margin-bottom: 32px;
  line-height: 1.8;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.hero-note {
  font-size: 13px;
  color: var(--text-light);
}

/* ===== iPhone Mockup ===== */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px 0 20px 20px;
}

/* iPhone outer shell — 390:844 aspect ratio */
.iphone {
  position: relative;
  width: 280px;
  height: 607px; /* 280 * 844/390 ≈ 607 */
  z-index: 2;
}

/* Titanium-finish frame */
.iphone-body {
  width: 100%;
  height: 100%;
  background: linear-gradient(160deg, #2a2a2a 0%, #1a1a1a 40%, #232323 100%);
  border-radius: 46px;
  box-shadow:
    0 0 0 1.5px #3a3a3a,
    0 0 0 3px #111,
    0 30px 70px rgba(0,0,0,.55),
    0 10px 30px rgba(0,0,0,.4),
    inset 0 0 0 1px rgba(255,255,255,.08);
  padding: 7px;
  box-sizing: border-box;
}

/* Screen glass */
.iphone-screen {
  width: 100%;
  height: 100%;
  background: #f0f2f5;
  border-radius: 40px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
}

/* Silent / volume / power buttons */
.iphone-btn {
  position: absolute;
  background: linear-gradient(180deg, #2e2e2e, #1e1e1e);
  border-radius: 3px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.12), inset 0 -1px 0 rgba(0,0,0,.3);
}
.iphone-btn-silent {
  width: 4px; height: 28px;
  left: -5px; top: 108px;
  border-radius: 2px 0 0 2px;
}
.iphone-btn-vol-up {
  width: 4px; height: 48px;
  left: -5px; top: 158px;
  border-radius: 2px 0 0 2px;
}
.iphone-btn-vol-down {
  width: 4px; height: 48px;
  left: -5px; top: 216px;
  border-radius: 2px 0 0 2px;
}
.iphone-btn-power {
  width: 4px; height: 72px;
  right: -5px; top: 168px;
  border-radius: 0 2px 2px 0;
}

/* Status bar */
.iphone-statusbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px 0;
  height: 50px;
  flex-shrink: 0;
  background: #fff;
  position: relative;
}
.iphone-time {
  font-size: 13px;
  font-weight: 700;
  color: #000;
  letter-spacing: -.03em;
  line-height: 1;
}

/* Dynamic Island */
.iphone-dynamic-island {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 88px;
  height: 28px;
  background: #000;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 8px;
  gap: 6px;
  z-index: 10;
}
.di-camera {
  width: 9px; height: 9px;
  background: radial-gradient(circle at 35% 35%, #1a3a5c, #0a1a2e);
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.08);
  box-shadow: inset 0 0 0 2px rgba(0,0,0,.5);
}
.di-speaker {
  width: 30px; height: 5px;
  background: #111;
  border-radius: 3px;
  order: -1;
  box-shadow: inset 0 1px 0 rgba(0,0,0,.8);
}

/* Status bar icons */
.iphone-statusbar-icons {
  display: flex;
  align-items: center;
  gap: 5px;
}
.iphone-battery {
  display: flex;
  align-items: center;
  gap: 1px;
}
.iphone-battery-fill {
  width: 20px; height: 11px;
  background: #000;
  border-radius: 2.5px;
  border: 1px solid rgba(0,0,0,.35);
  position: relative;
  overflow: hidden;
}
.iphone-battery-fill::after {
  content: '';
  position: absolute;
  left: 1px; top: 1px;
  width: 78%; height: calc(100% - 2px);
  background: #34c759;
  border-radius: 1.5px;
}
.iphone-battery-cap {
  width: 2.5px; height: 5px;
  background: rgba(0,0,0,.4);
  border-radius: 0 1px 1px 0;
}

/* App content area */
.iphone-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: #f0f2f5;
}

/* LINE-style nav bar */
.line-nav {
  background: #fff;
  padding: 8px 14px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(0,0,0,.08);
  flex-shrink: 0;
}
.line-nav-back {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--line-green);
  font-size: 11px;
  font-weight: 600;
}
.line-nav-center {
  display: flex;
  align-items: center;
  gap: 7px;
}
.line-nav-icon {
  width: 30px; height: 30px;
  background: var(--line-green);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
}
.line-nav-name { font-size: 12px; font-weight: 700; color: #000; line-height: 1.2; }
.line-nav-badge { font-size: 9px; color: var(--line-green-dark); font-weight: 600; }
.line-nav-menu { color: #888; padding: 4px; }

/* Chat area */
.line-chat-area {
  flex: 1;
  overflow: hidden;
  padding: 10px 10px 6px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.line-date-divider {
  text-align: center;
  font-size: 10px;
  color: rgba(0,0,0,.4);
  background: rgba(0,0,0,.06);
  border-radius: 20px;
  padding: 2px 12px;
  align-self: center;
  margin-bottom: 2px;
}

.line-chat-msg {
  display: flex;
  gap: 7px;
  align-items: flex-start;
}
.line-chat-icon {
  width: 32px; height: 32px;
  background: var(--line-green);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  margin-top: 2px;
}
.line-chat-bubble {
  background: #fff;
  border-radius: 2px 12px 12px 12px;
  padding: 9px 11px 7px;
  max-width: 195px;
  box-shadow: 0 1px 3px rgba(0,0,0,.08);
  position: relative;
}
.line-chat-bubble-2 { background: #fffbf0; }
.line-chat-bubble-3 { background: #f0f8ff; }

.line-chat-school {
  font-size: 9px;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 4px;
  letter-spacing: .03em;
}
.line-chat-alert {
  font-size: 10px;
  font-weight: 600;
  color: var(--line-green-dark);
  margin-bottom: 3px;
}
.line-chat-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 3px;
  line-height: 1.4;
}
.line-chat-body {
  font-size: 10px;
  color: var(--text-mid);
  line-height: 1.5;
  margin-bottom: 6px;
}
.line-chat-link {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  color: var(--line-green-dark);
  background: var(--line-green-light);
  padding: 3px 8px;
  border-radius: 100px;
  margin-bottom: 4px;
}
.line-chat-time {
  font-size: 9px;
  color: var(--text-light);
  text-align: right;
}

/* LINE input bar */
.line-input-bar {
  background: #fff;
  border-top: 1px solid rgba(0,0,0,.08);
  padding: 8px 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.line-input-plus {
  width: 28px; height: 28px;
  background: #f0f0f0;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  color: #888;
  line-height: 1;
  flex-shrink: 0;
}
.line-input-field {
  flex: 1;
  background: #f5f5f5;
  border-radius: 20px;
  padding: 6px 12px;
  font-size: 11px;
  color: #bbb;
}
.line-input-sticker, .line-input-mic {
  font-size: 18px;
  flex-shrink: 0;
  line-height: 1;
}

/* Home indicator */
.iphone-home-indicator {
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: #fff;
}
.iphone-home-indicator::after {
  content: '';
  width: 100px;
  height: 4px;
  background: rgba(0,0,0,.2);
  border-radius: 3px;
}

/* Deco blobs */
.hero-deco {
  position: absolute;
  border-radius: 50%;
  opacity: .5;
  z-index: 1;
  pointer-events: none;
}
.hero-deco-1 {
  width: 220px; height: 220px;
  background: radial-gradient(circle, rgba(6,199,85,.35), transparent 70%);
  top: -30px; right: -30px;
}
.hero-deco-2 {
  width: 160px; height: 160px;
  background: radial-gradient(circle, rgba(126,184,154,.45), transparent 70%);
  bottom: 10px; left: -10px;
}

/* ===== Problems ===== */
.problems {
  padding: 96px 0;
  background: #fff;
}

.problems .section-title,
.problems .section-label {
  text-align: center;
}

.problem-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.problem-card {
  background: var(--warm-white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: box-shadow .2s, transform .2s;
}
.problem-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }

.problem-icon { font-size: 36px; margin-bottom: 12px; }
.problem-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; color: var(--text-dark); }
.problem-card p { font-size: 14px; color: var(--text-mid); line-height: 1.7; margin-bottom: 16px; }
.benefit-arrow { font-size: 13px; color: var(--text-light); margin-bottom: 8px; }
.benefit-text {
  font-size: 13px;
  font-weight: 700;
  color: var(--line-green-dark);
  background: var(--line-green-light);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
}

/* ===== Features ===== */
.features {
  padding: 96px 0;
  background: var(--sage-light);
}

.features .section-title,
.features .section-label {
  text-align: center;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}

.feature-item {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s, transform .2s;
}
.feature-item:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }

.feature-icon-wrap {
  width: 52px; height: 52px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
}
.feature-icon-green { background: var(--line-green-light); }
.feature-icon-blue { background: #e8f4fd; }
.feature-icon-pink { background: #fde8f4; }
.feature-icon-yellow { background: #fdf8e8; }

.feature-item h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; color: var(--text-dark); }
.feature-item p { font-size: 14px; color: var(--text-mid); line-height: 1.7; }

/* ===== Social Proof ===== */
.social-proof {
  padding: 96px 0;
  background: #fff;
}

.social-proof .section-title,
.social-proof .section-label {
  text-align: center;
}

.case-studies {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(440px, 1fr));
  gap: 28px;
  margin-bottom: 64px;
}

.case-card {
  background: linear-gradient(135deg, var(--sage-light) 0%, #fff 100%);
  border: 1.5px solid var(--mint);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: box-shadow .2s;
}
.case-card:hover { box-shadow: var(--shadow-md); }

.case-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--sage);
  background: var(--mint);
  padding: 3px 12px;
  border-radius: 100px;
  margin-bottom: 10px;
}
.case-school { font-size: 14px; font-weight: 600; color: var(--text-mid); margin-bottom: 12px; }
.case-card h3 { font-size: 19px; font-weight: 700; color: var(--text-dark); margin-bottom: 14px; line-height: 1.4; }
.case-card p { font-size: 14px; color: var(--text-mid); line-height: 1.8; margin-bottom: 24px; }

.case-stats { display: flex; gap: 24px; }
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat-num { font-size: 28px; font-weight: 900; color: var(--line-green-dark); line-height: 1; }
.stat-label { font-size: 12px; color: var(--text-light); }

.reviews-title { font-size: 22px; font-weight: 700; margin-bottom: 28px; text-align: center; }

.review-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.review-card {
  background: var(--warm-white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: box-shadow .2s;
}
.review-card:hover { box-shadow: var(--shadow-md); }

.review-stars { color: #f6c90e; font-size: 18px; margin-bottom: 12px; letter-spacing: 2px; }
.review-text { font-size: 14px; color: var(--text-mid); line-height: 1.7; margin-bottom: 20px; font-style: italic; }

.review-author { display: flex; align-items: center; gap: 12px; }
.review-avatar {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--line-green), var(--sage));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  flex-shrink: 0;
}
.review-name { font-size: 14px; font-weight: 700; }
.review-role { font-size: 12px; color: var(--text-light); }

/* ===== Pricing ===== */
.pricing {
  padding: 96px 0;
  background: var(--sage-light);
}

.pricing .section-title,
.pricing .section-label,
.pricing-note {
  text-align: center;
}
.pricing-note { font-size: 14px; color: var(--text-mid); margin-top: -32px; margin-bottom: 48px; }

.pricing-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  align-items: start;
}

.pricing-card {
  background: #fff;
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  position: relative;
  transition: box-shadow .2s, transform .2s;
}
.pricing-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }

.pricing-card-featured {
  border-color: var(--line-green);
  box-shadow: 0 0 0 4px rgba(6,199,85,.1);
  transform: scale(1.02);
}
.pricing-card-featured:hover { transform: scale(1.02) translateY(-4px); }

.plan-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--line-green);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 100px;
  white-space: nowrap;
}

.plan-name { font-size: 18px; font-weight: 700; color: var(--text-dark); margin-bottom: 16px; }
.plan-price { display: flex; align-items: baseline; gap: 2px; margin-bottom: 8px; }
.price-currency { font-size: 20px; font-weight: 700; color: var(--text-dark); }
.price-num { font-size: 48px; font-weight: 900; color: var(--text-dark); line-height: 1; }
.price-period { font-size: 15px; color: var(--text-light); }

.plan-desc { font-size: 13px; color: var(--text-mid); margin-bottom: 24px; }

.plan-features { list-style: none; margin-bottom: 28px; display: flex; flex-direction: column; gap: 10px; }
.plan-features li { font-size: 14px; color: var(--text-mid); }
.plan-features li:not(.plan-feature-off) { color: var(--text-dark); }
.plan-feature-off { color: var(--text-light) !important; text-decoration: line-through; opacity: .6; }

/* ===== FAQ ===== */
.faq {
  padding: 96px 0;
  background: #fff;
}

.faq .section-title,
.faq .section-label {
  text-align: center;
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color .2s;
}
.faq-item[open] { border-color: var(--line-green); }

.faq-q {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 700;
  font-size: 15px;
  color: var(--text-dark);
  list-style: none;
  user-select: none;
  transition: background .15s;
}
.faq-q:hover { background: var(--line-green-light); }
.faq-q::-webkit-details-marker { display: none; }
.faq-q > span:nth-child(2) { flex: 1; }

.faq-icon {
  width: 28px; height: 28px;
  background: var(--line-green);
  color: #fff;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 12px;
  font-weight: 900;
  flex-shrink: 0;
}

.faq-arrow {
  font-size: 12px;
  color: var(--text-light);
  transition: transform .2s;
}
.faq-item[open] .faq-arrow { transform: rotate(180deg); }

.faq-a {
  padding: 0 24px 20px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.faq-a-icon {
  width: 28px; height: 28px;
  background: var(--line-green-light);
  color: var(--line-green-dark);
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 12px;
  font-weight: 900;
  flex-shrink: 0;
  margin-top: 2px;
}
.faq-a p { font-size: 14px; color: var(--text-mid); line-height: 1.8; }

/* ===== Final CTA ===== */
.cta-final {
  padding: 96px 0;
  background: linear-gradient(135deg, #1a2e1a 0%, #0a3d1e 50%, #1a2e38 100%);
  text-align: center;
}

.cta-content { max-width: 640px; margin: 0 auto; }

.cta-badge {
  display: inline-block;
  background: rgba(255,255,255,.15);
  color: rgba(255,255,255,.9);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
  letter-spacing: .08em;
}

.cta-final h2 {
  font-size: clamp(30px, 5vw, 48px);
  font-weight: 900;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 20px;
}

.highlight-white { color: var(--line-green); }

.cta-final p {
  font-size: 16px;
  color: rgba(255,255,255,.7);
  margin-bottom: 36px;
  line-height: 1.8;
}

.cta-trust {
  margin-top: 24px;
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255,255,255,.6);
}

/* ===== Footer ===== */
.footer {
  background: var(--text-dark);
  color: rgba(255,255,255,.7);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.footer-logo .logo-text { color: #fff; font-size: 20px; }
.footer-tagline { font-size: 13px; margin-bottom: 20px; }

.footer-sns { display: flex; gap: 12px; }
.sns-icon {
  width: 36px; height: 36px;
  background: rgba(255,255,255,.1);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.7);
  transition: background .2s, color .2s;
}
.sns-icon:hover { background: var(--line-green); color: #fff; }

.footer-links h4 { font-size: 13px; font-weight: 700; color: #fff; margin-bottom: 16px; letter-spacing: .06em; }
.footer-links ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,.6); transition: color .2s; }
.footer-links a:hover { color: var(--line-green); }

.footer-company {
  margin-top: 24px;
  font-size: 12px;
  line-height: 1.8;
  color: rgba(255,255,255,.4);
}
.footer-company a { color: rgba(255,255,255,.5); }
.footer-company a:hover { color: var(--line-green); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,.35);
}

/* ===== Responsive ===== */
@media (max-width: 1000px) {
  .hero-content { grid-template-columns: 1fr; padding: 40px 24px 60px; }
  .hero-visual { order: -1; justify-content: center; padding: 10px 0; }
  /* Scale iPhone down on tablet */
  .iphone { width: 230px; height: 498px; }
  .iphone-body { border-radius: 38px; }
  .iphone-screen { border-radius: 33px; }
  .iphone-btn-silent { top: 88px; height: 23px; }
  .iphone-btn-vol-up { top: 128px; height: 40px; }
  .iphone-btn-vol-down { top: 178px; height: 40px; }
  .iphone-btn-power { top: 138px; height: 58px; }
  .case-studies { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .nav { padding: 16px 20px; }
  .hero-content { padding: 32px 20px 48px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn-primary,
  .hero-actions .btn-ghost { width: 100%; justify-content: center; }
  .problems, .features, .social-proof, .pricing, .faq, .cta-final { padding: 64px 0; }
  .problem-cards { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .pricing-cards { grid-template-columns: 1fr; }
  .pricing-card-featured { transform: none; }
  .pricing-card-featured:hover { transform: translateY(-4px); }
  .review-cards { grid-template-columns: 1fr; }
  .case-stats { flex-wrap: wrap; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .cta-trust { flex-direction: column; gap: 12px; }
  /* Smaller iPhone on mobile */
  .iphone { width: 200px; height: 433px; }
  .iphone-body { border-radius: 34px; }
  .iphone-screen { border-radius: 28px; }
}