:root {
  --font-body: 'Avenir Next', 'Hiragino Sans', 'Yu Gothic', 'Meiryo', sans-serif;
  --font-heading: 'Avenir Next', 'Hiragino Mincho ProN', 'Yu Mincho', serif;
  --color-primary: #1e3a8a;
  --color-primary-dark: #1e2a6b;
  --color-cyan: #06b6d4;
  --color-accent: #f97316;
  --color-accent-dark: #ea580c;
  --color-bg: #f6f8fc;
  --color-card: #ffffff;
  --color-text: #0f172a;
  --color-muted: #475569;
  --color-border: #e2e8f0;
  --color-bg-cool: #f1f5f9;
  --color-bg-warm: #fff7ed;
  --shadow-soft: 0 18px 50px rgba(15, 23, 42, 0.08);
  --shadow-card: 0 12px 30px rgba(15, 23, 42, 0.1);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --max-width: 1100px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: radial-gradient(circle at top left, #e0f2fe 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, #fff7ed 0%, transparent 55%),
    var(--color-bg);
  line-height: 1.7;
}

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

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(14, 116, 144, 0.35);
  outline-offset: 2px;
}

.page {
  min-height: 100vh;
  overflow-x: hidden;
}

.container {
  width: min(var(--max-width), 100% - 32px);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.7);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.5px;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-title {
  font-family: var(--font-heading);
}

.logo-sub {
  font-size: 10px;
  letter-spacing: 1.6px;
  color: var(--color-muted);
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
  color: var(--color-muted);
}

.nav a {
  position: relative;
  padding-bottom: 4px;
}

.nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width 0.3s ease;
}

.nav a:hover::after {
  width: 100%;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 12px 20px;
  font-weight: 700;
  letter-spacing: 0.3px;
  border: 1px solid transparent;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-cyan));
  color: #fff;
  box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
  transform: translateY(-2px);
}

.btn-secondary {
  background: #fff;
  border-color: var(--color-border);
  color: var(--color-primary);
}

.btn-secondary:hover {
  background: rgba(226, 232, 240, 0.5);
  transform: translateY(-2px);
}

.header-cta {
  white-space: nowrap;
}

.cta-bar {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: min(92%, 500px);
  background: #ffffff;
  border-radius: 999px;
  box-shadow: var(--shadow-card);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  z-index: 10;
}

.cta-bar__content {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--color-muted);
}

.cta-bar__close {
  border: none;
  background: transparent;
  font-size: 20px;
  cursor: pointer;
  color: var(--color-muted);
}

.hero {
  padding: 110px 0 70px;
  background: linear-gradient(120deg, #1e3a8a, #06b6d4 65%, #93c5fd 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.hero::before,
.hero::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  opacity: 0.25;
}

.hero::before {
  width: 320px;
  height: 320px;
  background: #f97316;
  top: -140px;
  right: 40px;
}

.hero::after {
  width: 260px;
  height: 260px;
  background: #22d3ee;
  bottom: -120px;
  left: 30px;
}

.hero-inner {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-tag {
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 10px;
  opacity: 0.9;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(28px, 4vw, 44px);
  margin: 0 0 16px;
  display: grid;
  gap: 8px;
}

.hero-line {
  display: block;
  line-height: 1.35;
  letter-spacing: 0.2px;
  position: relative;
  padding-left: 14px;
}

.hero-line::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.25em;
  width: 4px;
  height: 70%;
  border-radius: 999px;
  background: linear-gradient(180deg, #fbbf24, #f97316);
  box-shadow: 0 0 12px rgba(249, 115, 22, 0.4);
}

.hero-line--primary {
  color: #fff;
}

.hero-line--secondary {
  color: rgba(255, 255, 255, 0.9);
  font-size: inherit;
}

.hero-accent {
  color: #fde68a;
  text-shadow: 0 6px 16px rgba(15, 23, 42, 0.35);
}

.hero-accent--light {
  color: #ffffff;
  text-shadow: 0 6px 16px rgba(15, 23, 42, 0.25);
}

.hero-sub {
  font-size: 16px;
  opacity: 0.9;
  margin-bottom: 24px;
}

.hero-points {
  display: grid;
  gap: 14px;
  margin-bottom: 24px;
}

.hero-point {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.12);
  padding: 12px 14px;
  border-radius: 16px;
}

.hero-point strong {
  display: block;
  font-size: 14px;
}

.hero-point p {
  margin: 2px 0 0;
  font-size: 13px;
  opacity: 0.85;
}

.point-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  display: grid;
  place-items: center;
  color: #fff;
}

.point-icon svg {
  width: 20px;
  height: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-mock {
  display: flex;
  justify-content: center;
}

.phone {
  width: min(320px, 100%);
  border-radius: 30px;
  background: #0f172a;
  padding: 12px;
  box-shadow: 0 30px 60px rgba(15, 23, 42, 0.35);
}

.phone-notch {
  width: 120px;
  height: 18px;
  background: #1e293b;
  border-radius: 12px;
  margin: 0 auto 12px;
}

.phone-screen {
  background: #f8fafc;
  border-radius: 22px;
  padding: 16px;
  color: #0f172a;
}

.phone-header {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: #64748b;
  margin-bottom: 10px;
}

.phone-card {
  background: #ffffff;
  border-radius: 14px;
  padding: 12px;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
  margin-bottom: 12px;
}

.phone-card.is-primary {
  background: linear-gradient(135deg, #e0f2fe, #fef3c7);
}

.phone-title {
  font-size: 12px;
  color: #64748b;
  margin: 0 0 4px;
}

.phone-text {
  font-weight: 700;
  margin: 0;
}

.phone-card ul {
  margin: 6px 0 0;
  padding-left: 16px;
  font-size: 12px;
  color: #475569;
}

.mini-player {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 12px;
}

.mini-player button {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: none;
  background: #1e3a8a;
  color: #fff;
  font-size: 12px;
}

.section {
  padding: 80px 0;
}

.section-title {
  text-align: left;
  margin-bottom: 32px;
}

.section-title h2 {
  font-family: var(--font-heading);
  font-size: clamp(24px, 3vw, 36px);
  margin-bottom: 10px;
}

.section-title span {
  color: var(--color-accent);
}

.section-title p {
  color: var(--color-muted);
  margin: 0;
}

.section-features {
  background: linear-gradient(180deg, #ffffff 0%, var(--color-bg-warm) 100%);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.card {
  background: var(--color-card);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(226, 232, 240, 0.6);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
  border-color: rgba(148, 163, 184, 0.6);
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: rgba(249, 115, 22, 0.15);
  color: var(--color-accent);
  display: grid;
  place-items: center;
  margin-bottom: 12px;
}

.card-icon svg {
  width: 22px;
  height: 22px;
}

.section-recommend {
  background: linear-gradient(180deg, var(--color-bg-cool), #ffffff);
}

.recommend-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.recommend-list li {
  background: #fff;
  border-radius: 14px;
  padding: 14px 16px 14px 44px;
  position: relative;
  border: 1px solid var(--color-border);
}

.recommend-list li::before {
  content: '✔';
  position: absolute;
  left: 16px;
  top: 12px;
  color: var(--color-accent);
  font-weight: 700;
}

.section-coaching {
  background: linear-gradient(180deg, var(--color-bg-cool), #ffffff);
}

.coaching-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.coaching-grid ul {
  padding-left: 18px;
  margin: 16px 0 0;
}

.coaching-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
}

.coaching-card ol {
  margin: 16px 0 0;
  padding-left: 18px;
}

.section-menu {
  background: linear-gradient(180deg, #ffffff 0%, var(--color-bg-warm) 100%);
}

.menu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.section-podcast {
  background: linear-gradient(180deg, #ffffff, var(--color-bg-cool));
}

.podcast-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  align-items: center;
}

.podcast-card {
  background: #0f172a;
  color: #f8fafc;
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-card);
}

.podcast-header {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  opacity: 0.7;
  margin-bottom: 16px;
}

.podcast-player {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 20px;
}

.play-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: grid;
  place-items: center;
  color: #fbbf24;
}

.podcast-title {
  margin: 0 0 4px;
  font-weight: 700;
}

.podcast-sub {
  margin: 0;
  font-size: 13px;
  opacity: 0.7;
}

.podcast-episodes {
  display: grid;
  gap: 10px;
}

.episode {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
}

.timeline-mini {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 32px;
}

.timeline-mini div {
  background: #ffffff;
  border-radius: 14px;
  padding: 16px;
  border: 1px solid var(--color-border);
}

.section-flow {
  background: linear-gradient(180deg, #ffffff 0%, var(--color-bg-cool) 100%);
}

.flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.flow-list li {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 16px;
  background: #f8fafc;
  border-radius: 16px;
  padding: 16px;
  border: 1px solid var(--color-border);
}

.flow-label {
  background: rgba(30, 58, 138, 0.12);
  color: var(--color-primary);
  font-weight: 700;
  border-radius: 999px;
  padding: 6px 12px;
  text-align: center;
  height: fit-content;
}

.section-support {
  background: linear-gradient(180deg, var(--color-bg-cool), #ffffff);
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.support-item {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-card);
}

.section-voice {
  background: linear-gradient(180deg, #ffffff 0%, var(--color-bg-cool) 100%);
}

.section-faq {
  background: var(--color-bg-cool);
}

.faq {
  display: grid;
  gap: 12px;
}

.faq-item {
  background: #fff;
  border-radius: 14px;
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 16px;
  font-weight: 700;
  border: none;
  background: transparent;
  cursor: pointer;
  position: relative;
}

.faq-question::after {
  content: '＋';
  position: absolute;
  right: 16px;
  top: 16px;
  font-size: 18px;
  color: var(--color-accent);
}

.faq-item.is-open .faq-question::after {
  content: '−';
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 16px;
  color: var(--color-muted);
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.section-contact {
  background: linear-gradient(180deg, var(--color-bg-warm) 0%, #ffffff 100%);
}

.contact-form {
  display: grid;
  gap: 16px;
  max-width: 640px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  font-weight: 600;
  color: var(--color-muted);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  border-radius: 12px;
  border: 1px solid var(--color-border);
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 14px;
}

.site-footer {
  padding: 40px 0 80px;
  background: #0f172a;
  color: #f8fafc;
}

.footer-inner {
  display: grid;
  gap: 14px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: #cbd5f5;
}

.toast {
  position: fixed;
  right: 16px;
  bottom: 100px;
  background: #0f172a;
  color: #fff;
  padding: 12px 18px;
  border-radius: 999px;
  box-shadow: var(--shadow-card);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.section-cta {
  margin-top: 24px;
  display: flex;
  justify-content: flex-start;
}

.section-cta .btn {
  font-size: 14px;
}

.note {
  margin: 16px 0 0;
  font-size: 12px;
  color: var(--color-muted);
}

.table-wrap {
  margin-top: 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: #fff;
  box-shadow: var(--shadow-soft);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table-wrap table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 14px;
}

.table-wrap th,
.table-wrap td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.table-wrap thead th {
  background: #f1f5f9;
  color: #334155;
  font-size: 12px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.table-wrap tbody th {
  background: #f8fafc;
  font-weight: 700;
  color: #1e293b;
}

.table-wrap tr:last-child th,
.table-wrap tr:last-child td {
  border-bottom: none;
}

.table-wrap::-webkit-scrollbar {
  height: 8px;
}

.table-wrap::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.6);
  border-radius: 999px;
}

.section-stats {
  background: linear-gradient(180deg, #ffffff, var(--color-bg-cool));
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.stat-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 18px;
  border: 1px solid rgba(226, 232, 240, 0.8);
  box-shadow: var(--shadow-soft);
}

.stat-value {
  margin: 0;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 800;
  color: #1e3a8a;
}

.stat-label {
  margin: 6px 0 0;
  font-size: 13px;
  color: var(--color-muted);
}

.feature-callout {
  margin-top: 22px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(251, 191, 36, 0.5);
  background: linear-gradient(135deg, rgba(254, 243, 199, 0.7), rgba(255, 255, 255, 0.8));
}

.feature-callout strong {
  color: #b45309;
}

.section-comparison {
  background: linear-gradient(180deg, #ffffff, var(--color-bg-cool));
}

.comparison-bars {
  margin-top: 28px;
  display: grid;
  gap: 16px;
}

.comparison-callout {
  margin-top: 20px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(226, 232, 240, 0.6), rgba(255, 255, 255, 0.9));
  border: 1px solid rgba(148, 163, 184, 0.4);
}

.comparison-callout strong {
  color: var(--color-primary);
}

.bar-row {
  display: grid;
  gap: 10px;
}

.bar-label {
  font-size: 13px;
  color: var(--color-muted);
  font-weight: 600;
}

.bar-set {
  display: grid;
  gap: 8px;
}

.bar {
  height: 34px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  padding: 0 14px;
  font-weight: 700;
  font-size: 12px;
  color: #0f172a;
  width: calc(var(--value) * 1%);
  min-width: 140px;
  box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.08);
}

.bar span {
  white-space: nowrap;
}

.bar-basic {
  background: linear-gradient(90deg, #e2e8f0, #cbd5f5);
}

.bar-mid {
  background: linear-gradient(90deg, #bae6fd, #c7d2fe);
}

.bar-strong {
  background: linear-gradient(90deg, #fde68a, #f59e0b);
}

.section-selfstudy {
  background: linear-gradient(180deg, #ffffff 0%, var(--color-bg-warm) 100%);
}

.matrix-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 22px;
}

.matrix-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 16px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
}

.matrix-card strong {
  display: block;
  margin-bottom: 6px;
  color: #0f172a;
}

.section-strands {
  background: linear-gradient(180deg, var(--color-bg-cool), #ffffff);
}

.strands-headline {
  margin: 18px 0 24px;
  padding: 20px 22px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(14, 116, 144, 0.18), rgba(249, 115, 22, 0.15));
  border: 1px solid rgba(14, 116, 144, 0.25);
  box-shadow: var(--shadow-card);
  color: #0f172a;
}

.strands-headline__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(14, 116, 144, 0.15);
  color: #0f766e;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.strands-headline h3 {
  margin: 0 0 8px;
  font-size: clamp(20px, 2.6vw, 30px);
}

.strands-headline p {
  margin: 0;
  color: var(--color-muted);
}

.strands-diagram {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: #ffffff;
  box-shadow: var(--shadow-soft);
}

.strand-card {
  --strand-accent: #0ea5e9;
  --strand-accent-bg: rgba(14, 165, 233, 0.12);
  --strand-accent-border: rgba(14, 165, 233, 0.25);
  background: #ffffff;
  border-radius: 18px;
  padding: 18px;
  border: 1px solid rgba(226, 232, 240, 0.9);
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.06);
  position: relative;
  overflow: hidden;
}

.strand-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--strand-accent);
}

.strand-card[data-tone='input'] {
  --strand-accent: #0ea5e9;
  --strand-accent-bg: rgba(14, 165, 233, 0.12);
  --strand-accent-border: rgba(14, 165, 233, 0.25);
}

.strand-card[data-tone='output'] {
  --strand-accent: #f59e0b;
  --strand-accent-bg: rgba(245, 158, 11, 0.14);
  --strand-accent-border: rgba(245, 158, 11, 0.25);
}

.strand-card[data-tone='fluency'] {
  --strand-accent: #10b981;
  --strand-accent-bg: rgba(16, 185, 129, 0.14);
  --strand-accent-border: rgba(16, 185, 129, 0.25);
}

.strand-card[data-tone='accuracy'] {
  --strand-accent: #1e3a8a;
  --strand-accent-bg: rgba(30, 58, 138, 0.14);
  --strand-accent-border: rgba(30, 58, 138, 0.25);
}

.strand-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.strand-pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--strand-accent);
  background: var(--strand-accent-bg);
  border: 1px solid var(--strand-accent-border);
}

.strand-meta {
  font-size: 11px;
  color: var(--color-muted);
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.strand-card h3 {
  margin: 0 0 6px;
  font-size: 17px;
}

.strand-desc {
  margin: 0;
  font-size: 13px;
  color: var(--color-muted);
}

.strand-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.strand-list li {
  position: relative;
  padding-left: 18px;
  font-size: 13px;
  color: var(--color-muted);
}

.strand-list li::before {
  content: '●';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--strand-accent);
  font-size: 10px;
}

.app-allinone {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  align-items: center;
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: #ffffff;
  box-shadow: var(--shadow-card);
}

.app-allinone__content h3 {
  margin: 0 0 12px;
  font-size: clamp(18px, 2.4vw, 26px);
  color: #0f172a;
}

.app-allinone__content p {
  margin: 0 0 12px;
  color: var(--color-muted);
}

.app-allinone__content ul {
  margin: 0;
  padding-left: 18px;
  color: var(--color-muted);
}

.app-allinone__media {
  margin: 0;
}

.app-allinone__media img {
  width: 100%;
  display: block;
  border-radius: 18px;
  border: 1px solid var(--color-border);
  background: #f8fafc;
  box-shadow: var(--shadow-soft);
}

.section-ai {
  background: linear-gradient(180deg, #ffffff 0%, var(--color-bg-warm) 100%);
}

.ai-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 16px;
  border-radius: 16px;
  border: 1px solid var(--color-border);
  background: #ffffff;
  box-shadow: var(--shadow-soft);
}

.ai-step {
  padding: 10px 14px;
  border-radius: 999px;
  background: #f8fafc;
  border: 1px solid var(--color-border);
  font-weight: 600;
  font-size: 13px;
}

.ai-arrow {
  color: var(--color-accent);
  font-weight: 700;
}

.ai-list {
  margin: 18px 0 0;
  padding-left: 18px;
}

.section-pronunciation {
  background: linear-gradient(180deg, #ffffff, var(--color-bg-cool));
}

.pronunciation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.pronunciation-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 20px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
}

.pronunciation-card.is-positive {
  border-color: rgba(34, 197, 94, 0.4);
  background: linear-gradient(135deg, rgba(220, 252, 231, 0.7), #ffffff);
}

.loop-diagram {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 12px 0;
}

.loop-step {
  background: #f8fafc;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 12px;
}

.loop-arrow {
  color: var(--color-muted);
}

.section-weekly {
  background: linear-gradient(180deg, #ffffff 0%, var(--color-bg-warm) 100%);
}

.section-profile {
  background: linear-gradient(180deg, #ffffff 0%, var(--color-bg-warm) 100%);
}

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

.profile-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
}

.profile-lead {
  color: var(--color-muted);
  margin: 10px 0 0;
}

.profile-list {
  margin: 16px 0;
  padding-left: 18px;
}

.profile-proof {
  margin-top: 18px;
  padding: 16px;
  border-radius: 14px;
  background: #f8fafc;
  border: 1px solid var(--color-border);
}

.profile-meta .table-wrap {
  margin-top: 0;
}

[data-animate] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
  .header-cta {
    display: none;
  }
  .cta-bar {
    display: flex;
  }
}

@media (max-width: 768px) {
  .nav {
    display: none;
  }
  .hero {
    padding-top: 100px;
  }
  .section {
    padding: 64px 0;
  }
  .flow-list li {
    grid-template-columns: 1fr;
  }
  .table-wrap table {
    min-width: 640px;
    font-size: 12px;
  }
  .strands-diagram {
    grid-template-columns: 1fr;
  }
  .section-cta {
    justify-content: center;
  }
  .app-allinone {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 901px) {
  .cta-bar {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
  }
  [data-animate],
  .toast,
  .btn {
    transition: none !important;
  }
}