:root {
  --primary: #4a55a2;
  --primary-deep: #343f86;
  --primary-soft: #eef0ff;
  --ink: #1c1d2c;
  --muted: #646778;
  --paper: #f7f8fc;
  --white: #fff;
  --line: #e0e2ee;
  --coral: #e75d67;
  --coral-soft: #ffdcd7;
  --mint: #e0f1e8;
  --radius: 24px;
  --shadow: 0 24px 65px #31376412;
  color-scheme: light;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    "Pretendard Variable",
    Pretendard,
    -apple-system,
    BlinkMacSystemFont,
    "Apple SD Gothic Neo",
    "Malgun Gothic",
    sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}
body,
h1,
h2,
h3,
h4,
p,
figure {
  margin: 0;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input {
  font: inherit;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
button {
  cursor: pointer;
}
button:disabled {
  cursor: default;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
button {
  color: inherit;
}
button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: 5px;
}
button,
a,
summary {
  touch-action: manipulation;
}
[hidden] {
  display: none !important;
}
.wrap {
  max-width: 1152px;
  padding: 0 32px;
  margin: auto;
}
.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  transform: translateY(-150%);
  padding: 12px 20px;
  background: var(--primary);
  color: #fff;
  border-radius: 10px;
}
.skip-link:focus {
  transform: none;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid #e0e2eeaa;
  background: #f7f8fcf5;
  backdrop-filter: blur(16px);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  height: 78px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand img {
  border-radius: 10px;
  border: 1px solid var(--line);
}
.brand > span {
  font-size: 24px;
  font-weight: 850;
  letter-spacing: -1px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-en {
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 1.2px;
  color: var(--muted);
}
.nav-links {
  display: flex;
  gap: 30px;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
}
.nav-links a:hover,
.text-link:hover {
  color: var(--primary);
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  min-height: 56px;
  padding: 15px 23px;
  border: 0;
  border-radius: 14px;
  background: var(--primary);
  color: #fff;
  font-size: 16px;
  line-height: 1.5;
  font-weight: 720;
  transition:
    background 0.18s,
    transform 0.18s;
}
.button:hover {
  background: var(--primary-deep);
  transform: translateY(-2px);
}
.button > span:last-child {
  font-size: 20px;
  line-height: 1;
}
.button-small {
  min-height: 42px;
  padding: 10px 16px;
  font-size: 13px;
  gap: 12px;
  border-radius: 10px;
}
.text-link {
  font-size: 14px;
  font-weight: 650;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  text-underline-offset: 5px;
}
.eyebrow {
  font-size: 12px;
  letter-spacing: 1.4px;
  font-weight: 750;
  color: var(--primary);
  margin-bottom: 22px;
}
.little-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  background: var(--coral);
  border-radius: 50%;
  margin-right: 9px;
}
.hero {
  position: relative;
  background: linear-gradient(125deg, #f7f8fc 28%, #ececfc 100%);
  padding: 64px 0 60px;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(48px, 5.8vw, 76px);
  line-height: 1.12;
  letter-spacing: -3.6px;
  font-weight: 850;
}
.hero h1 > span {
  color: var(--primary);
}
.hero-description {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.85;
  letter-spacing: -0.3px;
  margin-top: 27px;
}
.hero-description strong {
  font-weight: 650;
  color: var(--ink);
}
.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 30px;
}
.small-note {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.7;
  margin-top: 12px;
}
.hero-product {
  position: relative;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px 0 0;
}
.product-orbit {
  position: absolute;
  left: 50%;
  top: 49%;
  width: 470px;
  height: 470px;
  border: 1px solid #cdd0e7;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}
.product-orbit::before {
  content: "";
  position: absolute;
  inset: 35px;
  border: 1px solid #cdd0e766;
  border-radius: 50%;
}
.phone-frame {
  position: relative;
  background: var(--paper);
  border: 7px solid #242438;
  border-radius: 32px;
  overflow: hidden;
  box-shadow: 0 25px 55px #262b4c26;
  width: 260px;
}
.phone-frame img {
  width: 100%;
  height: auto;
}
.hero-phone {
  width: 266px;
  transform: rotate(3deg);
  box-shadow: 22px 32px 58px #40457927;
}
.hero-product figcaption {
  position: relative;
  font-size: 11px;
  color: var(--muted);
  margin-top: 25px;
}
.floating-note {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  border: 1px solid #e9eaf3;
  padding: 13px 16px;
  border-radius: 16px;
  box-shadow: 0 12px 35px #32365610;
  font-size: 12px;
  line-height: 1.65;
  color: var(--muted);
}
.floating-note strong {
  color: var(--ink);
  font-size: 14px;
  font-weight: 750;
}
.note-icon {
  display: grid;
  place-items: center;
  flex: none;
  width: 34px;
  height: 34px;
  background: var(--primary-soft);
  border-radius: 10px;
  color: var(--primary);
  font-size: 24px;
  font-weight: 700;
}
.note-icon.mint {
  background: var(--mint);
  color: #25734c;
  font-size: 18px;
}
.note-top {
  left: -17px;
  top: 80px;
  transform: rotate(-5deg);
}
.note-bottom {
  right: -10px;
  bottom: 55px;
  transform: rotate(-3deg);
}
.promise-strip {
  background: var(--primary);
  color: #fff;
}
.promise-strip > .wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 45px;
  min-height: 74px;
  font-size: 14px;
}
.promise-strip strong {
  font-weight: 750;
  margin-left: 6px;
}
.promise-strip [aria-hidden] {
  color: #aeb7ff;
}
.section {
  padding: 108px 0;
}
h2 {
  font-size: clamp(30px, 3.4vw, 44px);
  line-height: 1.28;
  letter-spacing: -1.8px;
  font-weight: 800;
}
h2 > span {
  color: var(--primary);
}
.body-copy {
  font-size: 16px;
  line-height: 1.9;
  color: var(--muted);
  margin-top: 23px;
  word-break: keep-all;
}
.body-copy strong {
  color: var(--ink);
  font-weight: 600;
}
.momentum-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 65px;
  align-items: center;
}
/* A direct, two-period offer replaces the adjustable accumulation chart. */
.momentum .body-copy + .body-copy {
  margin-top: 15px;
}
.momentum .section-copy > .button {
  margin-top: 25px;
}
.word-gain {
  border: 1px solid #d9ddee;
  border-radius: 26px;
  padding: 30px;
  background: #fff;
  box-shadow: var(--shadow);
}
.gain-lead {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}
.gain-period {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 25px 0;
  border-bottom: 1px solid var(--line);
}
.gain-period > span {
  font-size: 16px;
  font-weight: 650;
}
.gain-amount {
  display: flex;
  align-items: baseline;
  gap: 7px;
  color: var(--primary);
  white-space: nowrap;
}
.gain-amount strong {
  font-size: clamp(48px, 5.4vw, 67px);
  line-height: 1;
  letter-spacing: -3px;
  font-weight: 850;
  font-variant-numeric: tabular-nums;
}
.gain-amount span {
  font-size: 14px;
  font-weight: 650;
}
.gain-period-six .gain-amount {
  color: var(--primary-deep);
}
.gain-price {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  background: var(--primary-soft);
  border-radius: 13px;
  margin-top: 22px;
  padding: 17px;
}
.gain-price > span {
  font-size: 13px;
  font-weight: 650;
}
.gain-price strong {
  color: var(--primary);
  font-size: 28px;
  line-height: 1;
  letter-spacing: -1px;
  font-weight: 850;
}
.gain-note {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.75;
  margin-top: 18px;
}
.experience {
  background: #fff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section-heading {
  text-align: center;
  margin-bottom: 58px;
}
.experience-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.screen-stage {
  position: relative;
  display: grid;
  place-items: center;
  align-self: stretch;
  min-height: 650px;
  background: var(--primary-soft);
  border-radius: 30px;
  overflow: hidden;
}
.screen-watermark {
  position: absolute;
  left: 30px;
  top: 34px;
  font-size: 52px;
  letter-spacing: -2px;
  font-weight: 850;
  color: #d5d9f5;
}
.app-figure {
  position: relative;
  margin: 62px 0 23px;
}
.app-figure .phone-frame {
  width: 238px;
  transform: rotate(-3deg);
}
.app-figure figcaption {
  font-size: 11px;
  color: var(--muted);
  text-align: center;
  margin-top: 23px;
  max-width: 250px;
}
.mobile-feature-description {
  display: none;
}
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.feature-step {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 26px;
  border: 1px solid transparent;
  border-radius: 20px;
  background: transparent;
  width: 100%;
  text-align: left;
  transition:
    background 0.2s,
    border-color 0.2s;
}
.feature-step:hover {
  background: #f7f8fc;
}
.feature-step.active {
  background: var(--paper);
  border-color: var(--line);
}
.step-number {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  flex: none;
  border-radius: 10px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 12px;
  font-weight: 750;
  margin-top: 2px;
}
.feature-step.active .step-number {
  background: var(--primary);
  color: #fff;
}
.feature-step > span:last-child {
  display: flex;
  flex-direction: column;
}
.step-time {
  font-size: 11px;
  color: var(--primary);
  font-weight: 650;
  margin-bottom: 10px;
}
.feature-step strong {
  font-size: 23px;
  line-height: 1.35;
  letter-spacing: -0.8px;
  font-weight: 750;
}
.step-description {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
  margin-top: 12px;
  word-break: keep-all;
}
.step-link {
  color: var(--primary);
  font-size: 11px;
  font-weight: 650;
  margin-top: 12px;
}
.step-link > span {
  margin-left: 9px;
}
.try-section {
  background: #f5f1f4;
}
.try-grid {
  display: grid;
  grid-template-columns: 1fr 0.86fr;
  gap: 110px;
  align-items: center;
}
.demo-guide {
  display: flex;
  gap: 13px;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 25px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 650;
}
.try-section .small-note {
  margin-top: 20px;
}
.demo {
  background: var(--paper);
  border: 1px solid #dcdae4;
  border-radius: 28px;
  padding: 24px;
  box-shadow: var(--shadow);
  min-height: 487px;
  max-width: 410px;
  width: 100%;
}
.demo-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--primary);
  font-size: 14px;
  font-weight: 750;
}
.demo-progress {
  height: 5px;
  border-radius: 3px;
  background: #e6e7f5;
  margin: 12px 0 22px;
  overflow: hidden;
}
.demo-progress > span {
  display: block;
  width: 25%;
  height: 100%;
  background: var(--primary);
  transition: width 0.2s;
}
.demo-instruction {
  font-size: 14px;
  text-align: center;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
}
.demo-word-card {
  border: 1px solid var(--line);
  border-radius: 23px;
  background: #fff;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 16px;
  min-height: 257px;
  justify-content: center;
}
.word-label {
  background: var(--primary-soft);
  border-radius: 8px;
  padding: 4px 10px;
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.5px;
  color: var(--primary);
}
.demo-word-card > strong {
  font-size: 44px;
  line-height: 1.2;
  letter-spacing: -1.5px;
  color: var(--primary);
  font-weight: 750;
  margin: 10px 0;
}
.pronunciation {
  color: var(--muted);
  font-size: 14px;
}
.demo-meaning {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  margin-top: 14px;
}
.demo-example {
  font-size: 12px;
  line-height: 1.7;
  margin-top: 12px;
}
.demo-example > span {
  color: var(--muted);
}
.demo-start {
  width: 100%;
  font-size: 14px;
  margin-top: 18px;
  padding: 13px 14px;
  gap: 10px;
}
.demo[data-phase="quiz"] {
  background: var(--coral-soft);
}
.demo[data-phase="quiz"] .demo-top,
.demo[data-phase="quiz"] .demo-instruction {
  color: #9c1527;
}
.demo[data-phase="quiz"] .demo-progress {
  background: #e9acb0;
}
.demo[data-phase="quiz"] .demo-progress > span {
  width: 60%;
}
.quiz-word-card {
  min-height: 165px;
  padding: 18px 15px;
}
.quiz-prompt {
  font-size: 12px;
  font-weight: 650;
  color: var(--muted);
  margin-top: 15px;
}
.quiz-choices {
  display: grid;
  gap: 9px;
  margin-top: 17px;
}
.quiz-choices button {
  min-height: 47px;
  padding: 10px 14px;
  border: 1px solid #74758a;
  background: #fff;
  box-shadow: 0 2px 0 #9898a566;
  border-radius: 14px;
  font-size: 14px;
  font-weight: 650;
}
.quiz-choices button:hover {
  border-color: var(--primary);
  background: #f7f8ff;
}
.quiz-choices button[data-missed="true"] {
  background: #fff0ed;
  color: #9c1527;
  border-color: #cf6d73;
  text-decoration: line-through;
}
.quiz-feedback {
  font-size: 12px;
  line-height: 1.7;
  text-align: center;
  color: #9c1527;
  font-weight: 600;
  margin-top: 16px;
  min-height: 21px;
}
.demo[data-phase="success"] {
  background: #edf5ef;
}
.demo[data-phase="success"] .demo-progress > span {
  width: 100%;
}
.success-mark {
  margin: 37px auto 18px;
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  background: #d8ebdd;
  color: #327449;
  border-radius: 50%;
  font-size: 30px;
  font-weight: 750;
}
#success-state {
  text-align: center;
}
#success-state h3 {
  font-size: 29px;
  line-height: 1.35;
  letter-spacing: -1px;
}
#success-state p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  margin: 18px 0 28px;
}
#success-state .button {
  width: 100%;
  font-size: 14px;
}
.retry-button {
  display: block;
  margin: 12px auto 0;
  background: transparent;
  border: 0;
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 4px;
  font-size: 12px;
  min-height: 44px;
}
.demo-nojs {
  font-size: 13px;
  margin-top: 15px;
}
.categories {
  background: #fff;
}
.category-layout {
  display: grid;
  grid-template-columns: 0.95fr 1fr;
  gap: 70px;
  align-items: start;
}
.category-options {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}
.category-options button {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 45px;
  border: 1px solid var(--line);
  border-radius: 11px;
  padding: 9px 16px;
  background: var(--paper);
  font-size: 14px;
  font-weight: 600;
}
.category-options button > span {
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.4px;
  color: var(--primary);
}
.category-options button[aria-pressed="true"] {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.category-options button[aria-pressed="true"] > span {
  color: #dce0ff;
}
.category-result {
  margin-top: 23px;
  padding-top: 23px;
  border-top: 1px solid var(--line);
  min-height: 106px;
}
.category-result > span {
  font-size: 11px;
  font-weight: 750;
  color: var(--primary);
}
.category-result p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
  margin-top: 7px;
  word-break: keep-all;
}
.pricing {
  background: var(--primary-soft);
}
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 75px;
  align-items: center;
}
.pricing .body-copy {
  margin-bottom: 28px;
}
.free-plan {
  padding: 30px;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid #d8dcee;
  box-shadow: var(--shadow);
}
.free-plan-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}
.free-plan-title h3 {
  font-size: 17px;
  letter-spacing: -0.5px;
  font-weight: 700;
  word-break: keep-all;
}
.free-plan-title > span {
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -2px;
  color: var(--primary);
  flex-shrink: 0;
}
.free-plan ul {
  list-style: none;
  padding: 0;
  margin: 23px 0;
  display: flex;
  flex-direction: column;
  gap: 13px;
  font-size: 14px;
  color: var(--muted);
}
.free-plan li {
  padding-left: 25px;
  position: relative;
}
.free-plan li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 750;
}
.pro-details {
  border-top: 1px solid var(--line);
  padding-top: 17px;
}
summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  cursor: pointer;
  list-style: none;
  min-height: 44px;
}
summary::-webkit-details-marker {
  display: none;
}
summary > span {
  font-size: 22px;
  color: var(--primary);
  flex: none;
}
details[open] > summary > span {
  transform: rotate(45deg);
}
.pro-details summary {
  font-size: 12px;
  font-weight: 650;
  line-height: 1.6;
}
.plans > div {
  border-top: 1px solid var(--line);
  padding: 20px 0;
}
.plans h4 {
  font-size: 14px;
  font-weight: 750;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.plans h4 > span {
  font-size: 10px;
  font-weight: 500;
  color: var(--muted);
}
.plan-price {
  font-size: 20px;
  font-weight: 750;
  margin: 6px 0;
}
.plan-price > span {
  font-size: 12px;
  display: block;
  font-weight: 500;
  color: var(--muted);
}
.plans > div > p:last-child,
.plan-note {
  font-size: 12px;
  line-height: 1.8;
  color: var(--muted);
}
.plans .text-link {
  font-size: 12px;
  margin-top: 10px;
}
.faq {
  background: #fff;
}
.faq-grid {
  display: grid;
  grid-template-columns: 0.85fr 1fr;
  gap: 80px;
}
.faq h2 {
  font-size: 31px;
}
.faq .text-link {
  margin-top: 20px;
  font-size: 12px;
}
.faq-list details {
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}
.faq-list details:first-child {
  padding-top: 0;
}
.faq-list summary {
  font-size: 15px;
  font-weight: 650;
  line-height: 1.6;
}
.faq-list details p {
  padding: 6px 28px 8px 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.9;
  word-break: keep-all;
}
.faq-list details a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.closing {
  text-align: center;
  background: #252b53;
  color: #fff;
  padding: 95px 0;
}
.closing .eyebrow {
  color: #c2c8f6;
}
.closing h2 {
  font-size: clamp(36px, 4.5vw, 59px);
  line-height: 1.25;
  letter-spacing: -2px;
}
.closing h2 > span {
  color: #bdc4ff;
}
.closing > .wrap > p:not(.eyebrow) {
  font-size: 15px;
  line-height: 1.85;
  color: #c7cbe1;
  margin-top: 24px;
}
.store-links {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 32px;
}
.store-link {
  display: flex;
  align-items: center;
  gap: 15px;
  border: 1px solid #5b6186;
  background: #fff;
  color: #252b53;
  border-radius: 14px;
  padding: 14px 19px;
  min-width: 220px;
  text-align: left;
  transition: transform 0.18s;
}
.store-link:hover {
  transform: translateY(-3px);
}
.store-link small {
  display: block;
  font-size: 10px;
  color: #646778;
}
.store-link strong {
  display: block;
  font-size: 19px;
  line-height: 1.4;
  font-weight: 750;
}
.store-symbol {
  font-size: 29px;
}
.store-link > span:last-child {
  margin-left: auto;
  font-size: 20px;
}
.closing > .wrap > .closing-note {
  font-size: 11px !important;
  color: #b8bfdc !important;
  margin-top: 19px !important;
}
.footer {
  padding: 43px 0;
  background: #1c213f;
  color: #b7bdd7;
}
.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.footer .brand {
  color: #fff;
}
.footer .brand-en {
  color: #aeb6d6;
}
.footer-top p {
  font-size: 12px;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 9px 24px;
  margin-top: 28px;
  font-size: 11px;
}
.footer-links a {
  min-height: 30px;
  display: flex;
  align-items: center;
}
.business-info {
  font-size: 10px;
  line-height: 1.8;
  margin-top: 17px;
  color: #909bbd;
}
.mobile-install {
  display: none;
}
@media (min-width: 768px) and (max-width: 1040px) {
  .nav-links {
    gap: 19px;
  }
  .hero-grid {
    gap: 15px;
  }
  .hero h1 {
    font-size: 60px;
  }
  .hero-description {
    font-size: 15px;
  }
  .hero-phone {
    width: 234px;
  }
  .note-top {
    left: -10px;
    font-size: 10px;
  }
  .note-bottom {
    right: -10px;
    font-size: 10px;
  }
  .floating-note strong {
    font-size: 12px;
  }
  .floating-note {
    padding: 10px;
    gap: 8px;
  }
  .note-icon {
    width: 26px;
    height: 26px;
  }
  .momentum-grid,
  .pricing-grid {
    gap: 35px;
  }
  .experience-grid {
    gap: 20px;
  }
  .feature-step {
    padding: 20px 15px;
    gap: 14px;
  }
  .try-grid {
    gap: 45px;
  }
  .category-layout,
  .faq-grid {
    gap: 40px;
  }
  .hero-product figcaption {
    font-size: 10px;
  }
}
@media (max-width: 767px) {
  .word-gain {
    padding: 23px;
    border-radius: 21px;
  }
  .gain-period {
    padding: 24px 0;
    gap: 10px;
  }
  .gain-period > span {
    font-size: 14px;
  }
  .gain-amount strong {
    font-size: 57px;
    letter-spacing: -2.7px;
  }
  .gain-amount span {
    font-size: 12px;
  }
  .gain-price {
    padding: 15px;
    gap: 13px;
  }
  .gain-price > span {
    font-size: 12px;
    max-width: 160px;
  }
  .gain-price strong {
    flex: none;
    font-size: 28px;
  }
  .gain-note {
    font-size: 11px;
  }
  .momentum .section-copy > .button {
    font-size: 14px;
    min-height: 52px;
  }
  html {
    scroll-padding-top: 82px;
  }
  .wrap {
    padding: 0 23px;
  }
  .site-header .wrap {
    padding: 0 20px;
  }
  .nav {
    height: 65px;
    gap: 12px;
  }
  .brand > span {
    font-size: 21px;
    gap: 8px;
  }
  .brand img {
    width: 31px;
    height: 31px;
  }
  .brand-en {
    font-size: 8px;
  }
  .nav-links {
    display: none;
  }
  .button-small {
    font-size: 12px;
    min-height: 39px;
    padding: 9px 13px;
    gap: 8px;
  }
  .hero {
    padding: 38px 0 32px;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 37px;
  }
  .hero .eyebrow {
    font-size: 11px;
    letter-spacing: 0.6px;
    margin-bottom: 18px;
  }
  .hero h1 {
    font-size: 54px;
    line-height: 1.12;
    letter-spacing: -2.6px;
  }
  .hero-description {
    font-size: 14px;
    line-height: 1.8;
    margin-top: 20px;
  }
  .hero-actions {
    margin-top: 23px;
    gap: 7px 15px;
  }
  .hero-actions .button {
    width: 100%;
    justify-content: space-between;
    padding: 15px 19px;
    font-size: 15px;
  }
  .hero-actions .text-link {
    font-size: 12px;
    min-height: 39px;
  }
  .hero-copy > .small-note {
    margin-top: 2px;
    font-size: 10px;
  }
  .hero-product {
    width: 100%;
    max-width: 420px;
    margin: auto;
    padding-top: 0;
  }
  .hero-phone {
    width: 222px;
    border-width: 6px;
    border-radius: 27px;
  }
  .product-orbit {
    width: 350px;
    height: 350px;
  }
  .floating-note {
    padding: 9px 11px;
    gap: 8px;
    border-radius: 12px;
    font-size: 10px;
    line-height: 1.6;
  }
  .floating-note strong {
    font-size: 12px;
  }
  .note-icon {
    width: 27px;
    height: 27px;
    font-size: 18px;
    border-radius: 8px;
  }
  .note-top {
    left: 0;
    top: 36px;
  }
  .note-bottom {
    right: 0;
    bottom: 81px;
  }
  .hero-product figcaption {
    font-size: 10px;
    margin-top: 22px;
  }
  .promise-strip > .wrap {
    min-height: 67px;
    gap: 12px;
    justify-content: space-between;
    font-size: 10px;
    text-align: center;
  }
  .promise-strip strong {
    display: block;
    margin: 0;
    font-size: 12px;
  }
  .section {
    padding: 65px 0;
  }
  h2 {
    font-size: 31px;
    line-height: 1.3;
    letter-spacing: -1.25px;
  }
  .eyebrow {
    font-size: 10px;
    letter-spacing: 1px;
    margin-bottom: 16px;
  }
  .body-copy {
    font-size: 14px;
    line-height: 1.85;
    margin-top: 21px;
  }
  .momentum-grid,
  .experience-grid,
  .try-grid,
  .category-layout,
  .pricing-grid,
  .faq-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .momentum-grid {
    gap: 33px;
  }
  .section-heading {
    text-align: left;
    margin-bottom: 30px;
  }
  .experience-grid {
    gap: 25px;
    display: flex;
    flex-direction: column;
  }
  .screen-stage {
    width: 100%;
    min-height: 550px;
    order: 2;
    position: relative;
    border-radius: 23px;
  }
  .screen-watermark {
    font-size: 44px;
    top: 19px;
    left: 22px;
  }
  .app-figure {
    margin: 50px 0 20px;
  }
  .app-figure .phone-frame {
    width: 215px;
    border-width: 6px;
    border-radius: 27px;
  }
  .app-figure figcaption {
    font-size: 10px;
    margin-top: 20px;
  }
  .feature-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 7px;
    width: 100%;
  }
  .feature-step {
    display: block;
    padding: 13px 10px;
    border-radius: 13px;
    background: var(--paper);
    border-color: var(--line);
    height: 100%;
    text-align: left;
  }
  .feature-step.active {
    background: var(--primary-soft);
    border-color: #8f98d0;
  }
  .step-number {
    width: 25px;
    height: 25px;
    border-radius: 7px;
    font-size: 10px;
    margin-bottom: 10px;
  }
  .step-time {
    font-size: 11px;
    line-height: 1.5;
    min-height: 32px;
    margin-bottom: 0;
  }
  .feature-step strong {
    display: none;
  }
  .step-description {
    display: none;
  }
  .step-link {
    display: none;
  }
  .step-link > span {
    margin-left: 2px;
  }
  .mobile-feature-description {
    display: block;
    width: 100%;
  }
  .mobile-feature-description h3 {
    font-size: 22px;
    line-height: 1.4;
    letter-spacing: -0.7px;
    font-weight: 750;
  }
  .mobile-feature-description p {
    font-size: 14px;
    line-height: 1.85;
    color: var(--muted);
    margin-top: 10px;
    word-break: keep-all;
  }
  .try-grid {
    gap: 30px;
  }
  .demo {
    max-width: 100%;
    padding: 22px;
    min-height: 460px;
    border-radius: 24px;
  }
  .demo-word-card > strong {
    font-size: 43px;
  }
  .demo-start {
    min-height: 51px;
  }
  .try-section .small-note {
    font-size: 11px;
    margin-top: 16px;
  }
  .demo-guide {
    font-size: 12px;
    margin-top: 21px;
  }
  .category-layout {
    gap: 27px;
  }
  .category-options {
    gap: 8px;
  }
  .category-options button {
    padding: 9px 13px;
    font-size: 13px;
    min-height: 44px;
  }
  .category-options button > span {
    font-size: 8px;
  }
  .category-result {
    margin-top: 19px;
    padding-top: 17px;
    min-height: 95px;
  }
  .category-result p {
    font-size: 13px;
  }
  .categories .small-note {
    font-size: 10px;
    margin-top: 8px;
  }
  .pricing-grid {
    gap: 28px;
  }
  .pricing .body-copy {
    margin-bottom: 23px;
  }
  .pricing .button {
    font-size: 14px;
    min-height: 52px;
  }
  .free-plan {
    padding: 22px;
    border-radius: 20px;
  }
  .free-plan-title h3 {
    font-size: 15px;
  }
  .free-plan-title > span {
    font-size: 33px;
  }
  .free-plan ul {
    font-size: 12px;
    gap: 12px;
  }
  .pro-details summary {
    font-size: 11px;
    gap: 10px;
  }
  .plans > div {
    padding: 17px 0;
  }
  .faq-grid {
    gap: 28px;
  }
  .faq h2 {
    font-size: 29px;
  }
  .faq .text-link {
    margin-top: 12px;
  }
  .faq-list summary {
    font-size: 13px;
    gap: 15px;
  }
  .faq-list details {
    padding: 10px 0;
  }
  .faq-list details p {
    font-size: 12px;
    padding-right: 15px;
  }
  .closing {
    padding: 65px 0;
  }
  .closing h2 {
    font-size: 36px;
    letter-spacing: -1.4px;
  }
  .closing > .wrap > p:not(.eyebrow) {
    font-size: 13px;
    margin-top: 20px;
  }
  .store-links {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    margin: 27px auto 0;
    max-width: 330px;
  }
  .store-link {
    min-width: 0;
    min-height: 70px;
    padding: 12px 18px;
  }
  .store-link strong {
    font-size: 18px;
  }
  .store-link small {
    font-size: 10px;
  }
  .closing > .wrap > .closing-note {
    font-size: 10px !important;
    max-width: 250px;
    margin: 17px auto 0 !important;
  }
  .footer {
    padding: 30px 0 calc(112px + env(safe-area-inset-bottom));
  }
  .footer-top {
    align-items: center;
  }
  .footer-top p {
    font-size: 10px;
  }
  .footer-links {
    gap: 5px 18px;
    margin-top: 22px;
    font-size: 10px;
  }
  .business-info {
    font-size: 9px;
    line-height: 1.9;
    margin-top: 16px;
  }
  .mobile-install {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 40;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    background: #fffffff5;
    border-top: 1px solid var(--line);
    padding: 11px 20px calc(11px + env(safe-area-inset-bottom));
    box-shadow: 0 -5px 30px #31376409;
    backdrop-filter: blur(16px);
  }
  .mobile-install > div {
    display: flex;
    flex-direction: column;
    gap: 2px;
  }
  .mobile-install strong {
    font-size: 12px;
    letter-spacing: -0.3px;
  }
  .mobile-install > div > span {
    font-size: 10px;
    color: var(--muted);
  }
  .mobile-install .button {
    min-height: 45px;
    padding: 11px 16px;
    border-radius: 11px;
    font-size: 13px;
    gap: 16px;
  }
  .small-note {
    font-size: 11px;
  }
}
@media (max-width: 359px) {
  .word-gain {
    padding: 19px;
  }
  .gain-period {
    gap: 8px;
  }
  .gain-period > span {
    font-size: 12px;
  }
  .gain-amount {
    gap: 5px;
  }
  .gain-amount strong {
    font-size: 48px;
    letter-spacing: -2.2px;
  }
  .gain-amount span {
    font-size: 11px;
  }
  .gain-price > span {
    font-size: 11px;
    max-width: 145px;
  }
  .wrap {
    padding: 0 18px;
  }
  .brand-en {
    display: none;
  }
  .hero h1 {
    font-size: 46px;
    letter-spacing: -2px;
  }
  .hero-description {
    font-size: 12px;
  }
  .hero .eyebrow {
    font-size: 10px;
  }
  .hero-actions .button {
    font-size: 13px;
  }
  .hero-phone {
    width: 202px;
  }
  .floating-note {
    padding: 8px;
    font-size: 9px;
    gap: 6px;
  }
  .floating-note strong {
    font-size: 10px;
  }
  .note-icon {
    display: none;
  }
  .note-top {
    left: 0;
  }
  .note-bottom {
    right: 0;
  }
  .promise-strip > .wrap {
    gap: 7px;
    font-size: 9px;
  }
  .promise-strip strong {
    font-size: 11px;
  }
  h2 {
    font-size: 27px;
  }
  .feature-step {
    padding: 11px 8px;
  }
  .feature-step strong {
    font-size: 11px;
  }
  .step-time {
    font-size: 10px;
  }
  .step-link {
    font-size: 8px;
  }
  .demo {
    padding: 19px;
  }
  .demo-start {
    font-size: 12px;
  }
  .quiz-choices button {
    font-size: 13px;
  }
  .mobile-install {
    padding-left: 15px;
    padding-right: 15px;
  }
  .mobile-install strong {
    font-size: 11px;
  }
  .mobile-install .button {
    padding: 11px 13px;
    font-size: 12px;
    gap: 10px;
  }
  .closing h2 {
    font-size: 32px;
  }
  .footer-top p {
    font-size: 9px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
  .button:hover,
  .store-link:hover {
    transform: none;
  }
}
@media print {
  .site-header,
  .mobile-install,
  .hero-actions,
  .store-links {
    display: none;
  }
  .section {
    padding: 30px 0;
  }
  .hero {
    padding: 20px 0;
  }
  body {
    color: #000;
    background: #fff;
  }
  .footer {
    padding-bottom: 20px;
  }
}