:root {
  --paper: #fbfaf7;
  --paper-deep: #f3f0e9;
  --surface: #ffffff;
  --ink: #172321;
  --ink-soft: #51615e;
  --ink-faint: #596864;
  --line: #e5e2da;
  --line-strong: #d4d8d2;
  --red: #d92d20;
  --red-dark: #b42318;
  --red-soft: #fff1ef;
  --teal: #0f766e;
  --teal-dark: #123a36;
  --teal-soft: #e7f7f4;
  --mint: #9de4d7;
  --shadow-sm: 0 8px 24px rgba(18, 58, 54, 0.08);
  --shadow-md: 0 22px 60px rgba(18, 58, 54, 0.13);
  --shadow-lg: 0 36px 90px rgba(18, 58, 54, 0.17);
  --radius-sm: 14px;
  --radius-md: 22px;
  --radius-lg: 32px;
  --container: 1180px;
  --header-height: 78px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

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

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.16;
  letter-spacing: -0.035em;
}

code {
  padding: 0.15em 0.42em;
  border: 1px solid rgba(157, 228, 215, 0.24);
  border-radius: 6px;
  color: #c9fff5;
  background: rgba(255, 255, 255, 0.1);
  font: 0.9em/1.4 "Cascadia Code", Consolas, monospace;
  overflow-wrap: anywhere;
}

::selection {
  color: #fff;
  background: var(--teal);
}

:focus-visible {
  outline: 3px solid #15998f;
  outline-offset: 4px;
}

.container {
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 999;
  padding: 10px 16px;
  border-radius: 10px;
  color: #fff;
  background: var(--teal-dark);
  transform: translateY(-180%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-height);
  border-bottom: 1px solid transparent;
  background: rgba(251, 250, 247, 0.84);
  backdrop-filter: blur(18px);
  transition: border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.site-header.is-scrolled {
  border-color: rgba(212, 216, 210, 0.8);
  background: rgba(251, 250, 247, 0.96);
  box-shadow: 0 8px 28px rgba(23, 35, 33, 0.06);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand img {
  flex: 0 0 auto;
  border-radius: 12px;
  box-shadow: 0 8px 18px rgba(180, 35, 24, 0.16);
}

.brand-copy {
  display: grid;
  line-height: 1.2;
}

.brand-copy strong {
  font-size: 15px;
  letter-spacing: -0.02em;
}

.brand-copy small {
  margin-top: 4px;
  color: var(--ink-faint);
  font-size: 9px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

html[lang="en"] body,
html[lang="vi"] body {
  font-family: Inter, "Segoe UI", Arial, system-ui, sans-serif;
}

html[lang="ja"] body {
  font-family: "Noto Sans JP", "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, system-ui, sans-serif;
}

html[lang="ko"] body {
  font-family: "Noto Sans KR", "Malgun Gothic", "Apple SD Gothic Neo", system-ui, sans-serif;
}

html:not([lang="zh-CN"]) .hero h1,
html:not([lang="zh-CN"]) .section-heading h2,
html:not([lang="zh-CN"]) .feature-card h3,
html:not([lang="zh-CN"]) .management-copy h2,
html:not([lang="zh-CN"]) .privacy-copy h2,
html:not([lang="zh-CN"]) .faq-heading h2 {
  text-wrap: balance;
}

html[lang="ja"] .hero-lead,
html[lang="ja"] .feature-copy,
html[lang="ko"] .hero-lead,
html[lang="ko"] .feature-copy {
  word-break: keep-all;
  overflow-wrap: anywhere;
}

html[lang="en"] .hero h1,
html[lang="vi"] .hero h1 {
  font-size: clamp(52px, 5.25vw, 76px);
  letter-spacing: -0.045em;
}

html[lang="ja"] .hero h1,
html[lang="ko"] .hero h1 {
  font-size: clamp(50px, 5.1vw, 74px);
  letter-spacing: -0.045em;
}

.site-nav .language-switcher {
  flex: 0 0 auto;
}

.language-switcher {
  position: relative;
  color: var(--ink);
}

.language-switcher summary {
  min-width: 132px;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: #3c4b48;
  background: var(--surface);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  transition: border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.language-switcher summary::-webkit-details-marker {
  display: none;
}

.language-switcher summary::after {
  content: "⌄";
  font-size: 13px;
  line-height: 1;
  transition: transform 180ms ease;
}

.language-switcher[open] summary::after {
  transform: rotate(180deg);
}

.language-switcher summary:hover,
.language-switcher summary:focus-visible {
  border-color: var(--red);
  background: #fff;
}

.language-switcher summary:focus-visible,
.language-switcher a:focus-visible {
  outline: 3px solid rgba(217, 45, 32, 0.3);
  outline-offset: 2px;
}

.language-switcher ul {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 120;
  width: max-content;
  min-width: 180px;
  max-width: calc(100vw - 32px);
  margin: 0;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 14px;
  display: grid;
  gap: 2px;
  background: #fff;
  box-shadow: var(--shadow-md);
  list-style: none;
}

.language-switcher a {
  min-height: 44px;
  padding: 0 12px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.language-switcher a:hover,
.language-switcher a:focus-visible {
  color: var(--ink);
  background: var(--paper-deep);
}

.language-switcher a[aria-current="page"] {
  color: var(--red-dark);
  background: var(--red-soft);
}

.site-nav > a:not(.button) {
  position: relative;
  color: #3c4b48;
  font-size: 14px;
  font-weight: 600;
}

.site-nav > a:not(.button)::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--red);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.site-nav > a:not(.button):hover::after,
.site-nav > a:not(.button):focus-visible::after,
.site-nav > a[aria-current="true"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 13px;
  color: var(--ink);
  background: var(--surface);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.menu-toggle span {
  width: 19px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.button {
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid var(--red);
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: #fff;
  background: var(--red);
  box-shadow: 0 12px 30px rgba(217, 45, 32, 0.2);
  font-weight: 700;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.button:hover {
  border-color: var(--red-dark);
  background: var(--red-dark);
  box-shadow: 0 16px 36px rgba(180, 35, 24, 0.24);
  transform: translateY(-2px);
}

.button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.button-small {
  min-height: 42px;
  padding-inline: 18px;
  border-radius: 12px;
  font-size: 14px;
}

.button-secondary {
  border-color: var(--line-strong);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: none;
}

.button-secondary:hover {
  border-color: var(--teal);
  color: var(--teal-dark);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.hero {
  position: relative;
  min-height: 820px;
  padding: 166px 0 108px;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 26%, rgba(157, 228, 215, 0.2), transparent 29%),
    radial-gradient(circle at 8% 82%, rgba(240, 68, 56, 0.08), transparent 24%),
    var(--paper);
}

.hero::after {
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
  content: "";
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(2px);
}

.hero-orb-one {
  top: 125px;
  right: -150px;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(15, 118, 110, 0.08);
  box-shadow: inset 0 0 80px rgba(157, 228, 215, 0.06);
}

.hero-orb-two {
  bottom: 28px;
  left: 4%;
  width: 110px;
  height: 110px;
  border: 1px solid rgba(217, 45, 32, 0.12);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(520px, 1.08fr);
  align-items: center;
  gap: 48px;
}

.eyebrow,
.section-kicker {
  color: var(--teal);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 22px;
}

.eyebrow::before {
  width: 26px;
  height: 1px;
  background: var(--teal);
  content: "";
}

.eyebrow span {
  letter-spacing: 0.18em;
}

.hero h1 {
  max-width: 690px;
  margin-bottom: 26px;
  font-size: clamp(46px, 4.35vw, 60px);
  font-weight: 800;
}

.hero h1 em {
  display: block;
  color: var(--red);
  font-style: normal;
}

.hero h1 em span {
  white-space: nowrap;
}

.hero-lead {
  max-width: 640px;
  margin-bottom: 34px;
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-points {
  margin: 30px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  color: var(--ink-soft);
  font-size: 13px;
  list-style: none;
}

.hero-points li {
  display: flex;
  align-items: center;
  gap: 7px;
}

.hero-points span {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: inline-grid;
  place-items: center;
  color: var(--teal);
  background: var(--teal-soft);
  font-size: 11px;
  font-weight: 900;
}

.hero-visual {
  position: relative;
  min-width: 0;
  padding: 30px 0 36px 26px;
}

.browser-shell {
  position: relative;
  z-index: 2;
  border: 1px solid rgba(212, 216, 210, 0.92);
  border-radius: 22px;
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-lg);
  transform: perspective(1500px) rotateY(-3deg) rotateX(1deg);
  transform-origin: center right;
}

.browser-bar {
  min-height: 56px;
  padding: 0 15px;
  border-bottom: 1px solid #e9ece8;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  background: #f7f8f6;
}

.browser-dots {
  display: flex;
  gap: 6px;
}

.browser-dots i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #d6d9d5;
}

.browser-dots i:first-child {
  background: #ef8077;
}

.address-bar {
  min-width: 0;
  height: 31px;
  padding: 0 13px;
  border: 1px solid #e2e5e1;
  border-radius: 9px;
  display: flex;
  align-items: center;
  gap: 7px;
  color: #89938f;
  background: #fff;
  font-size: 10px;
  letter-spacing: 0.02em;
}

.address-bar span {
  color: #67a99f;
  font-size: 7px;
}

.browser-bar img {
  border-radius: 8px;
}

.browser-content {
  position: relative;
  min-height: 460px;
  padding: 44px 42px 54px;
  font-family: "Noto Sans JP", "Yu Gothic", Meiryo, sans-serif;
  background:
    linear-gradient(90deg, transparent 0 73%, rgba(243, 240, 233, 0.75) 73%),
    #fff;
}

.article-topline {
  display: flex;
  align-items: center;
  gap: 14px;
  color: #83908d;
  font-size: 10px;
  letter-spacing: 0.08em;
}

.article-topline span {
  color: var(--teal);
  font-weight: 800;
}

.article-topline span::after {
  margin-left: 14px;
  color: #d9dedb;
  content: "／";
}

.browser-content h2 {
  max-width: 430px;
  margin: 34px 0 26px;
  font-size: clamp(26px, 2.1vw, 34px);
  line-height: 1.55;
  letter-spacing: 0.01em;
}

ruby {
  ruby-position: over;
}

rt {
  color: var(--red-dark);
  font-size: 0.44em;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.article-body {
  max-width: 430px;
  color: #344340;
  font-size: 14px;
  line-height: 2.25;
}

.article-body mark {
  padding: 2px 3px 4px;
  color: inherit;
  background: linear-gradient(transparent 8%, rgba(91, 154, 255, 0.2) 8% 94%, transparent 94%);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.translation-popover {
  position: absolute;
  right: 22px;
  bottom: 32px;
  width: 262px;
  padding: 17px;
  border: 1px solid #d8dedb;
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 18px 44px rgba(23, 35, 33, 0.15);
  font-family: Inter, "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

.translation-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 12px;
  font-weight: 800;
}

.translation-title b {
  padding: 3px 8px;
  border-radius: 999px;
  color: #32627a;
  background: #eaf5ff;
  font-size: 9px;
}

.translation-popover p {
  margin: 13px 0 10px;
  color: #2e3d3a;
  font-size: 12px;
  line-height: 1.7;
}

.translation-meta {
  color: #8b9693;
  font-size: 9px;
}

.annotation-status {
  position: absolute;
  top: 26px;
  right: 20px;
  padding: 8px 11px;
  border: 1px solid rgba(15, 118, 110, 0.14);
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--teal-dark);
  background: #effaf7;
  font-family: Inter, "Noto Sans SC", sans-serif;
  font-size: 9px;
  font-weight: 700;
}

.annotation-status span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #18a574;
  box-shadow: 0 0 0 3px rgba(24, 165, 116, 0.12);
}

.floating-note {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 15px;
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.93);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(12px);
}

.floating-note svg {
  width: 27px;
  height: 27px;
  fill: none;
  stroke: var(--teal);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.floating-note span {
  display: grid;
  line-height: 1.3;
}

.floating-note strong {
  font-size: 12px;
}

.floating-note small {
  margin-top: 3px;
  color: var(--ink-faint);
  font-size: 9px;
}

.note-local {
  bottom: 4px;
  left: -8px;
}

.trust-strip {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.66);
}

.trust-grid {
  min-height: 116px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  align-items: stretch;
}

.trust-grid > div {
  padding: 26px 32px;
  border-left: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 13px;
}

.trust-grid > div:last-child {
  border-right: 1px solid var(--line);
}

.trust-grid strong {
  color: var(--teal-dark);
  font-size: 21px;
  letter-spacing: -0.03em;
  white-space: nowrap;
}

.trust-grid span {
  color: var(--ink-faint);
  font-size: 12px;
  line-height: 1.4;
}

.section {
  padding: 116px 0;
}

.section-heading {
  margin-bottom: 58px;
}

.section-heading.centered {
  max-width: 760px;
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.product-section .section-heading.centered {
  max-width: 900px;
}

.section-kicker {
  margin-bottom: 15px;
}

.section-heading h2,
.management-copy h2,
.privacy-copy h2,
.faq-heading h2 {
  margin-bottom: 20px;
  font-size: clamp(34px, 4vw, 54px);
}

.section-heading > p:last-child,
.split-heading > p,
.management-copy > p,
.privacy-copy > p,
.faq-heading > p {
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.9;
}

.product-section {
  background: #fff;
}

.journey-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.journey-grid::before {
  position: absolute;
  top: 47px;
  right: 16%;
  left: 16%;
  height: 1px;
  background: linear-gradient(90deg, var(--line), var(--teal), var(--line));
  content: "";
}

.journey-card {
  position: relative;
  z-index: 1;
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #fff;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.journey-card:hover {
  border-color: #c9d8d4;
  box-shadow: var(--shadow-sm);
  transform: translateY(-4px);
}

.journey-card-active {
  border-color: rgba(15, 118, 110, 0.3);
  background: linear-gradient(145deg, #fff, #f0fbf8);
}

.journey-number {
  position: absolute;
  top: 24px;
  right: 26px;
  color: #cbd2cf;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.journey-icon {
  width: 54px;
  height: 54px;
  margin-bottom: 31px;
  border: 1px solid rgba(15, 118, 110, 0.14);
  border-radius: 16px;
  display: grid;
  place-items: center;
  color: var(--teal);
  background: var(--teal-soft);
}

.journey-icon svg,
.step-icon svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.journey-card h3 {
  margin-bottom: 13px;
  font-size: 22px;
}

.journey-card p {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.feature-section {
  background: var(--paper-deep);
}

.split-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 0.7fr);
  align-items: end;
  gap: 72px;
}

.split-heading h2 {
  margin-bottom: 0;
}

.split-heading > p {
  margin-bottom: 7px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.feature-card {
  position: relative;
  min-width: 0;
  padding: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  overflow: hidden;
}

.feature-large {
  grid-column: 1 / -1;
  min-height: 470px;
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(430px, 1.12fr);
  align-items: center;
  gap: 58px;
}

.feature-tag {
  display: inline-block;
  margin-bottom: 22px;
  color: var(--teal);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.feature-card h3 {
  margin-bottom: 17px;
  font-size: clamp(27px, 3vw, 38px);
}

.feature-card > p,
.feature-copy > p {
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.9;
}

.check-list {
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 27px;
  color: #40504d;
  font-size: 14px;
}

.check-list li::before {
  position: absolute;
  top: 5px;
  left: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--teal);
  background: var(--teal-soft);
  content: "✓";
  font-size: 10px;
  font-weight: 900;
}

.reading-demo {
  position: relative;
  padding: 42px 35px 34px;
  border: 1px solid #e6e6df;
  border-radius: 24px;
  background:
    linear-gradient(#f3f1eb 1px, transparent 1px) 0 0 / 100% 37px,
    #fff;
  box-shadow: 0 24px 64px rgba(23, 35, 33, 0.11);
  font-family: "Noto Sans JP", "Yu Gothic", Meiryo, sans-serif;
}

.reading-demo::before {
  position: absolute;
  inset: 0 auto 0 27px;
  width: 1px;
  background: rgba(217, 45, 32, 0.14);
  content: "";
}

.demo-label {
  margin-bottom: 33px;
  color: var(--red-dark);
  font-family: Inter, "Noto Sans SC", sans-serif;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.reading-line {
  margin-bottom: 28px;
  padding-left: 8px;
  font-size: clamp(23px, 2.5vw, 34px);
  font-weight: 700;
  line-height: 2.1;
}

.demo-divider {
  height: 1px;
  margin: 2px 0 24px;
  background: #e8e7e0;
}

.smart-examples {
  padding-left: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.smart-examples > span {
  padding: 8px 12px;
  border: 1px solid #e3e5df;
  border-radius: 9px;
  color: #3e4b48;
  background: #fafaf7;
  font-size: 13px;
}

.loanword-demo {
  padding: 36px 32px 30px;
}

.loanword-demo .demo-label {
  margin-bottom: 22px;
}

.loanword-showcase {
  position: relative;
  z-index: 1;
  padding-left: 8px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.loanword-sample {
  min-width: 0;
  min-height: 106px;
  padding: 16px;
  border: 1px solid #dfe5e1;
  border-radius: 14px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  flex-direction: column;
  gap: 8px;
  background: linear-gradient(145deg, #fff 0%, #f8faf8 100%);
  box-shadow: 0 10px 24px rgba(23, 35, 33, 0.06);
}

.loanword-sample:first-child {
  border-color: rgba(15, 118, 110, 0.24);
  background: linear-gradient(145deg, #fff 0%, #f0fbf8 100%);
}

.loanword-origin {
  min-width: 0;
  min-height: 25px;
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--red-dark);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.loanword-country {
  width: 24px;
  height: 24px;
  border: 1px solid rgba(217, 45, 32, 0.18);
  border-radius: 999px;
  display: inline-grid;
  flex: 0 0 auto;
  place-items: center;
  color: var(--red-dark);
  background: var(--red-soft);
  font-family: "Noto Sans JP", "Yu Gothic", Meiryo, sans-serif;
  font-size: 11px;
  font-weight: 900;
  line-height: 1;
}

.loanword-base {
  min-width: 0;
  color: var(--ink);
  font-size: 20px;
  font-weight: 750;
  line-height: 1.35;
  letter-spacing: 0.01em;
  overflow-wrap: anywhere;
}

.loanword-note {
  position: relative;
  z-index: 1;
  margin: 18px 0 0;
  padding: 16px 8px 0;
  border-top: 1px solid #e8e7e0;
  color: var(--ink-soft);
  font-family: inherit;
  font-size: 14px;
  line-height: 1.75;
}

.translation-card-demo {
  background:
    radial-gradient(circle at 100% 0, rgba(91, 154, 255, 0.08), transparent 38%),
    #fff;
}

.mini-selection {
  margin-top: 31px;
  padding: 26px 24px 39px;
  border-radius: 16px;
  color: #1e3130;
  background: #f2f4f3;
  font-size: 16px;
}

.mini-selection span {
  padding: 3px 1px;
  background: rgba(91, 154, 255, 0.28);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.mini-result {
  width: calc(100% - 38px);
  margin: -22px 0 0 38px;
  padding: 20px;
  border: 1px solid #d9dfdd;
  border-radius: 15px;
  background: #fff;
  box-shadow: 0 18px 42px rgba(23, 35, 33, 0.11);
}

.mini-result > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 12px;
}

.mini-result > div span {
  padding: 3px 9px;
  border-radius: 999px;
  color: #276078;
  background: #e8f5ff;
  font-size: 10px;
}

.mini-result p {
  margin: 16px 0 9px;
  color: #263633;
  font-size: 14px;
}

.mini-result small {
  color: var(--ink-faint);
  font-size: 10px;
}

.context-card {
  background:
    radial-gradient(circle at 100% 0, rgba(157, 228, 215, 0.18), transparent 40%),
    #fff;
}

.context-list {
  margin-top: 30px;
  border: 1px solid #e0e5e1;
  border-radius: 16px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.72);
}

.context-list div {
  min-height: 62px;
  padding: 12px 17px;
  border-bottom: 1px solid #e5e8e5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.context-list div:last-child {
  border-bottom: 0;
}

.context-list span {
  font-size: 15px;
  font-weight: 700;
}

.context-list b {
  color: var(--red-dark);
  font-size: 12px;
  font-weight: 700;
  text-align: right;
}

.management-section {
  background: #fff;
}

.management-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.76fr) minmax(600px, 1.24fr);
  align-items: center;
  gap: 72px;
}

.management-copy > p {
  max-width: 520px;
}

.management-points {
  margin-top: 38px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.management-points > div {
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.management-points > div > span {
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: var(--teal);
  background: var(--teal-soft);
  font-size: 13px;
  font-weight: 900;
}

.management-points p {
  min-width: 0;
  margin: 0;
  display: grid;
  line-height: 1.4;
}

.management-points strong {
  font-size: 13px;
}

.management-points small {
  margin-top: 3px;
  color: var(--ink-faint);
  font-size: 9px;
}

.dashboard-mock {
  min-width: 0;
  min-height: 480px;
  border: 1px solid #cbdad6;
  border-radius: 26px;
  display: grid;
  grid-template-columns: 28% 72%;
  overflow: hidden;
  background: #eaf4f1;
  box-shadow: var(--shadow-lg);
}

.dashboard-sidebar {
  padding: 24px 17px;
  color: #d5fff7;
  background: var(--teal-dark);
}

.dashboard-brand {
  margin-bottom: 34px;
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 12px;
}

.dashboard-brand img {
  border-radius: 9px;
}

.dashboard-nav {
  min-height: 44px;
  margin-bottom: 7px;
  padding: 0 12px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: #b9e6dd;
  font-size: 11px;
}

.dashboard-nav.active {
  color: #fff;
  background: rgba(157, 228, 215, 0.18);
  box-shadow: inset 3px 0 0 var(--mint);
}

.dashboard-main {
  min-width: 0;
  padding: 35px 30px;
  background:
    radial-gradient(circle at 100% 0, rgba(157, 228, 215, 0.35), transparent 34%),
    #eff6f4;
}

.dashboard-heading small {
  color: var(--teal);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.dashboard-heading h3 {
  margin: 8px 0 20px;
  font-size: 25px;
}

.dashboard-form {
  padding: 23px;
  border: 1px solid #d3dfdb;
  border-radius: 17px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 16px 40px rgba(18, 58, 54, 0.08);
}

.dashboard-field {
  margin-bottom: 14px;
  display: grid;
  gap: 5px;
  color: #1e3d39;
  font-size: 9px;
  font-weight: 800;
}

.dashboard-field > b {
  font: inherit;
}

.dashboard-field > span {
  height: 37px;
  padding: 0 12px;
  border: 1px solid #c9d6d2;
  border-radius: 8px;
  display: flex;
  align-items: center;
  color: #435b57;
  background: #fff;
  font-size: 9px;
  font-weight: 500;
}

.permission-note {
  padding: 11px 12px;
  border: 1px solid #cce6df;
  border-radius: 9px;
  display: grid;
  color: var(--teal-dark);
  background: #effaf7;
  font-size: 9px;
  line-height: 1.5;
}

.permission-note small {
  margin-top: 2px;
}

.dashboard-buttons {
  margin-top: 17px;
  display: flex;
  gap: 8px;
}

.dashboard-buttons i {
  padding: 8px 12px;
  border: 1px solid var(--teal);
  border-radius: 8px;
  color: #fff;
  background: var(--teal);
  font-size: 9px;
  font-style: normal;
  font-weight: 800;
}

.dashboard-buttons i + i {
  color: var(--teal);
  background: #f2fbf9;
}

.privacy-section {
  padding-top: 34px;
  background: #fff;
}

.privacy-card {
  position: relative;
  padding: 62px;
  border-radius: var(--radius-lg);
  display: grid;
  grid-template-columns: auto minmax(0, 0.9fr) minmax(400px, 1.1fr);
  align-items: center;
  gap: 34px;
  color: #e8fffa;
  background:
    radial-gradient(circle at 80% 15%, rgba(157, 228, 215, 0.12), transparent 27%),
    var(--teal-dark);
  overflow: hidden;
}

.privacy-card::after {
  position: absolute;
  right: -70px;
  bottom: -110px;
  width: 290px;
  height: 290px;
  border: 1px solid rgba(157, 228, 215, 0.14);
  border-radius: 50%;
  content: "";
}

.privacy-symbol {
  width: 76px;
  height: 76px;
  border: 1px solid rgba(157, 228, 215, 0.26);
  border-radius: 22px;
  display: grid;
  place-items: center;
  background: rgba(157, 228, 215, 0.1);
}

.privacy-symbol svg {
  width: 38px;
  height: 38px;
  fill: none;
  stroke: var(--mint);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

.privacy-copy {
  position: relative;
  z-index: 1;
}

.privacy-copy .section-kicker {
  color: var(--mint);
}

.privacy-copy h2 {
  color: #fff;
  font-size: clamp(31px, 3.4vw, 46px);
}

.privacy-copy > p:last-child {
  margin-bottom: 0;
  color: #bcd8d3;
  font-size: 15px;
}

.privacy-policy-link {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  margin-top: 12px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  color: #fff;
  font-weight: 800;
}

.privacy-policy-link:hover {
  border-color: rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.08);
}

.privacy-list {
  position: relative;
  z-index: 1;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  list-style: none;
}

.privacy-list li {
  padding: 13px 15px;
  border: 1px solid rgba(157, 228, 215, 0.13);
  border-radius: 13px;
  display: flex;
  align-items: center;
  gap: 13px;
  background: rgba(255, 255, 255, 0.045);
}

.privacy-list li > span {
  color: var(--mint);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.privacy-list p {
  margin: 0;
  display: grid;
  line-height: 1.4;
}

.privacy-list strong {
  color: #fff;
  font-size: 12px;
}

.privacy-list small {
  margin-top: 3px;
  color: #aac8c2;
  font-size: 9px;
}

.install-section {
  position: relative;
  color: #fff;
  background: #172321;
  overflow: hidden;
}

.install-section::before,
.install-section::after {
  position: absolute;
  border: 1px solid rgba(157, 228, 215, 0.08);
  border-radius: 50%;
  content: "";
}

.install-section::before {
  top: -220px;
  right: -120px;
  width: 520px;
  height: 520px;
}

.install-section::after {
  bottom: -160px;
  left: -100px;
  width: 360px;
  height: 360px;
}

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

.light-heading h2 {
  color: #fff;
}

.light-heading > p:last-child {
  color: #aebdb9;
}

.light-heading .section-kicker {
  color: var(--mint);
}

.install-grid {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  list-style: none;
}

.install-grid li {
  position: relative;
  min-width: 0;
  padding: 30px 24px 27px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.045);
  transition: border-color 180ms ease, transform 180ms ease, background 180ms ease;
}

.install-grid li:hover {
  border-color: rgba(157, 228, 215, 0.35);
  background: rgba(255, 255, 255, 0.065);
  transform: translateY(-4px);
}

.step-number {
  position: absolute;
  top: 20px;
  right: 20px;
  color: #60716d;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.step-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 26px;
  border: 1px solid rgba(157, 228, 215, 0.18);
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: var(--mint);
  background: rgba(157, 228, 215, 0.08);
}

.install-grid h3 {
  margin-bottom: 12px;
  font-size: 18px;
  letter-spacing: -0.02em;
}

.install-grid p {
  margin-bottom: 0;
  color: #aab9b5;
  font-size: 12px;
  line-height: 1.75;
}

.install-note {
  max-width: 820px;
  margin: 30px auto 0;
  padding: 17px 20px;
  border: 1px solid rgba(157, 228, 215, 0.18);
  border-radius: 15px;
  display: flex;
  align-items: flex-start;
  gap: 13px;
  color: #c5d4d0;
  background: rgba(157, 228, 215, 0.06);
  font-size: 12px;
}

.install-note svg {
  width: 21px;
  height: 21px;
  flex: 0 0 auto;
  fill: none;
  stroke: var(--mint);
  stroke-linecap: round;
  stroke-width: 1.7;
}

.install-note p {
  margin: 0;
}

.install-note strong {
  color: #fff;
}

.faq-section {
  background: #fff;
}

.faq-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.72fr) minmax(520px, 1.28fr);
  align-items: start;
  gap: 86px;
}

.faq-heading {
  position: sticky;
  top: calc(var(--header-height) + 38px);
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary span {
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--teal);
  font-size: 19px;
  font-weight: 400;
  transition: transform 180ms ease, background 180ms ease;
}

.faq-list details[open] summary span {
  color: #fff;
  background: var(--teal);
  transform: rotate(45deg);
}

.faq-list details p {
  margin: -5px 52px 28px 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.85;
}

.final-cta {
  padding: 0 0 84px;
  background: #fff;
}

.final-cta-inner {
  min-height: 210px;
  padding: 42px 52px;
  border-radius: var(--radius-lg);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 27px;
  color: #fff;
  background:
    radial-gradient(circle at 90% 15%, rgba(255, 255, 255, 0.13), transparent 25%),
    var(--red);
  box-shadow: 0 28px 70px rgba(180, 35, 24, 0.2);
}

.final-cta-inner img {
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 20px;
  box-shadow: 0 12px 26px rgba(100, 14, 8, 0.2);
}

.final-cta-inner p {
  margin-bottom: 6px;
  color: #ffd7d2;
  font-size: 12px;
  font-weight: 700;
}

.final-cta-inner h2 {
  margin: 0;
  color: #fff;
  font-size: clamp(26px, 3vw, 40px);
}

.button-light {
  border-color: #fff;
  color: var(--red-dark);
  background: #fff;
  box-shadow: none;
}

.button-light:hover {
  border-color: #fff;
  color: var(--red-dark);
  background: #fff8f7;
  box-shadow: 0 12px 30px rgba(100, 14, 8, 0.14);
}

.site-footer {
  padding: 34px 0;
  border-top: 1px solid var(--line);
  background: var(--paper);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 11px;
}

.footer-brand img {
  border-radius: 10px;
}

.footer-brand > div {
  display: grid;
  line-height: 1.35;
}

.footer-brand strong {
  font-size: 12px;
}

.footer-brand small,
.site-footer p,
.site-footer > div > a {
  color: var(--ink-faint);
  font-size: 10px;
}

.site-footer p {
  margin: 0;
  text-align: center;
}

.site-footer > div > a {
  justify-self: end;
  font-weight: 700;
}

.policy-page {
  background: var(--paper);
}

.policy-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}

.policy-actions .button {
  flex: 0 0 auto;
}

.policy-main {
  padding: 86px 0 110px;
}

.policy-container {
  max-width: 960px;
}

.policy-title {
  max-width: 780px;
  margin-bottom: 42px;
}

.policy-title h1 {
  margin: 8px 0 18px;
  color: var(--ink);
  font-size: clamp(46px, 7vw, 76px);
  letter-spacing: -0.055em;
}

.policy-title > p:not(.section-kicker) {
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.9;
}

.policy-title .policy-updated {
  margin-top: 12px;
  color: var(--ink-faint);
  font-size: 13px;
}

.policy-card {
  padding: clamp(30px, 6vw, 68px);
  border: 1px solid var(--line);
  border-radius: 34px;
  background: #fff;
  box-shadow: 0 24px 70px rgba(15, 43, 37, 0.08);
}

.policy-card section + section {
  margin-top: 42px;
  padding-top: 42px;
  border-top: 1px solid var(--line);
}

.policy-card h2 {
  margin: 0 0 14px;
  color: var(--ink);
  font-size: clamp(22px, 3vw, 29px);
  letter-spacing: -0.025em;
}

.policy-card p,
.policy-card li {
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.9;
}

.policy-card p {
  margin: 0;
}

.policy-card p + p {
  margin-top: 12px;
}

.policy-card ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 1.25em;
}

.policy-card a {
  color: var(--red);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 4px;
}

@media (max-width: 1120px) {
  .hero-grid {
    grid-template-columns: minmax(0, 0.84fr) minmax(480px, 1.16fr);
    gap: 38px;
  }

  .hero-visual {
    padding-left: 0;
  }

  .browser-content {
    min-height: 435px;
    padding: 40px 34px 50px;
  }

  .translation-popover {
    right: 16px;
  }

  .management-grid {
    gap: 42px;
  }

  .privacy-card {
    grid-template-columns: minmax(0, 0.85fr) minmax(400px, 1.15fr);
  }

  .privacy-symbol {
    display: none;
  }
}

@media (min-width: 901px) and (max-width: 1160px) {
  html:not([lang="zh-CN"]) .brand-copy strong {
    white-space: nowrap;
  }

  html:not([lang="zh-CN"]).js .menu-toggle {
    display: flex;
  }

  html:not([lang="zh-CN"]).js .site-nav {
    position: fixed;
    top: calc(var(--header-height) + 8px);
    right: 24px;
    left: 24px;
    max-height: calc(100dvh - var(--header-height) - 24px);
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 18px;
    display: grid;
    align-items: stretch;
    gap: 4px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
    opacity: 0;
    overflow-y: auto;
    pointer-events: none;
    visibility: hidden;
    transform: translateY(-12px);
    transform-origin: top;
    transition: opacity 160ms ease, transform 160ms ease;
  }

  html:not([lang="zh-CN"]).js .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
    transform: translateY(0);
  }

  html:not([lang="zh-CN"]).js .site-nav > a:not(.button) {
    min-height: 46px;
    padding: 0 12px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    font-size: 15px;
  }

  html:not([lang="zh-CN"]).js .site-nav > a:not(.button):hover {
    background: var(--paper-deep);
  }

  html:not([lang="zh-CN"]).js .site-nav > a:not(.button)::after {
    display: none;
  }

  html:not([lang="zh-CN"]).js .site-nav .button {
    margin-top: 8px;
  }

  html:not([lang="zh-CN"]).js .site-nav .language-switcher {
    width: 100%;
    margin-top: 4px;
  }

  html:not([lang="zh-CN"]).js .site-nav .language-switcher summary {
    width: 100%;
    justify-content: flex-start;
  }

  html:not([lang="zh-CN"]).js .site-nav .language-switcher summary::after {
    margin-left: auto;
  }

  html:not([lang="zh-CN"]).js .site-nav .language-switcher ul {
    position: static;
    width: 100%;
    min-width: 0;
    max-width: none;
    margin-top: 6px;
    box-shadow: none;
  }

  html:not([lang="zh-CN"]).no-js .site-nav {
    width: 100%;
    display: grid;
    align-items: stretch;
    gap: 6px;
  }

  html:not([lang="zh-CN"]).no-js .site-nav > a:not(.button) {
    min-height: 44px;
    padding: 0 12px;
    border-radius: 10px;
    display: flex;
    align-items: center;
  }

  html:not([lang="zh-CN"]).no-js .site-header {
    position: static;
    height: auto;
  }

  html:not([lang="zh-CN"]).no-js .header-inner {
    height: auto;
    padding-block: 12px;
    flex-wrap: wrap;
  }

  html:not([lang="zh-CN"]).no-js .site-nav .button,
  html:not([lang="zh-CN"]).no-js .site-nav .language-switcher {
    width: 100%;
  }

  html:not([lang="zh-CN"]).no-js .site-nav .language-switcher summary {
    width: 100%;
    justify-content: flex-start;
  }

  html:not([lang="zh-CN"]).no-js .site-nav .language-switcher summary::after {
    margin-left: auto;
  }

  html:not([lang="zh-CN"]).no-js .site-nav .language-switcher ul {
    position: static;
    width: 100%;
    min-width: 0;
    max-width: none;
    margin-top: 6px;
    box-shadow: none;
  }

  html:not([lang="zh-CN"]).no-js .hero {
    padding-top: 72px;
  }
}

@media (max-width: 980px) {
  :root {
    --header-height: 72px;
  }

  .container {
    width: min(calc(100% - 48px), var(--container));
  }

  .site-nav {
    gap: 20px;
  }

  .site-nav > a:not(.button) {
    font-size: 13px;
  }

  .hero {
    min-height: auto;
    padding: 142px 0 88px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 54px;
  }

  .hero-copy {
    max-width: 780px;
  }

  .hero h1 {
    max-width: 760px;
  }

  .hero-visual {
    width: min(100%, 760px);
    margin: 0 auto;
    padding: 12px 32px 36px;
  }

  .browser-shell {
    transform: none;
  }

  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .trust-grid > div:nth-child(3),
  .trust-grid > div:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .section {
    padding: 92px 0;
  }

  .feature-large {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .management-grid {
    grid-template-columns: 1fr;
    gap: 52px;
  }

  .management-copy {
    max-width: 720px;
  }

  .dashboard-mock {
    width: min(100%, 780px);
    margin-inline: auto;
  }

  .privacy-card {
    padding: 52px;
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .privacy-copy {
    max-width: 700px;
  }

  .privacy-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .privacy-list li {
    align-items: flex-start;
  }

  .install-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .faq-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .faq-heading {
    position: static;
    max-width: 700px;
  }
}

@media (max-width: 900px) {
  .js .menu-toggle {
    display: flex;
  }

  .js .site-nav {
    position: fixed;
    top: calc(var(--header-height) + 8px);
    right: 24px;
    left: 24px;
    max-height: calc(100dvh - var(--header-height) - 24px);
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 18px;
    display: grid;
    align-items: stretch;
    gap: 4px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
    opacity: 0;
    overflow-y: auto;
    pointer-events: none;
    visibility: hidden;
    transform: translateY(-12px);
    transform-origin: top;
    transition: opacity 160ms ease, transform 160ms ease;
  }

  .js .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
    transform: translateY(0);
  }

  .js .site-nav > a:not(.button) {
    min-height: 46px;
    padding: 0 12px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    font-size: 15px;
  }

  .js .site-nav > a:not(.button):hover {
    background: var(--paper-deep);
  }

  .js .site-nav > a:not(.button)::after {
    display: none;
  }

  .js .site-nav .button {
    margin-top: 8px;
  }

  .js .site-nav .language-switcher {
    width: 100%;
    margin-top: 4px;
  }

  .js .site-nav .language-switcher summary {
    width: 100%;
    justify-content: flex-start;
  }

  .js .site-nav .language-switcher summary::after {
    margin-left: auto;
  }

  .js .site-nav .language-switcher ul {
    position: static;
    width: 100%;
    min-width: 0;
    max-width: none;
    margin-top: 6px;
    box-shadow: none;
  }

  .no-js .site-nav {
    width: 100%;
    display: grid;
    align-items: stretch;
    gap: 6px;
  }

  .no-js .site-nav > a:not(.button) {
    min-height: 44px;
    padding: 0 12px;
    border-radius: 10px;
    display: flex;
    align-items: center;
  }

  .no-js .site-header {
    position: static;
    height: auto;
  }

  .no-js .header-inner {
    height: auto;
    padding-block: 12px;
    flex-wrap: wrap;
  }

  .no-js .site-nav .button,
  .no-js .site-nav .language-switcher {
    width: 100%;
  }

  .no-js .site-nav .language-switcher summary {
    width: 100%;
    justify-content: flex-start;
  }

  .no-js .site-nav .language-switcher summary::after {
    margin-left: auto;
  }

  .no-js .site-nav .language-switcher ul {
    position: static;
    width: 100%;
    min-width: 0;
    max-width: none;
    margin-top: 6px;
    box-shadow: none;
  }

  .no-js .hero {
    padding-top: 72px;
  }

}

@media (max-width: 800px) {

  .journey-grid {
    grid-template-columns: 1fr;
  }

  .journey-grid::before {
    display: none;
  }

  .journey-card {
    display: grid;
    grid-template-columns: auto 1fr;
    column-gap: 20px;
  }

  .journey-icon {
    grid-row: 1 / 3;
    margin: 0;
  }

  .journey-card h3 {
    margin-top: 1px;
  }

  .journey-card p {
    grid-column: 2;
  }

  .split-heading {
    grid-template-columns: 1fr;
    gap: 21px;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .feature-card,
  .feature-large {
    grid-column: auto;
  }

  .privacy-list {
    grid-template-columns: 1fr;
  }

  .final-cta-inner {
    grid-template-columns: auto 1fr;
  }

  .final-cta-inner .button {
    grid-column: 1 / -1;
  }

  .footer-grid {
    grid-template-columns: 1fr auto;
  }

  .site-footer p {
    grid-column: 1 / -1;
    grid-row: 2;
    text-align: left;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(calc(100% - 32px), var(--container));
  }

  .policy-header .brand-copy {
    display: none;
  }

  .policy-header .header-inner {
    gap: 12px;
  }

  .policy-actions {
    flex: 0 0 auto;
    gap: 8px;
  }

  .policy-actions .language-switcher summary {
    min-width: 118px;
  }

  .policy-actions .button {
    min-height: 44px;
    padding-inline: 14px;
  }

  .policy-main {
    padding: 56px 0 72px;
  }

  .policy-title {
    margin-bottom: 28px;
  }

  .policy-title h1 {
    font-size: 46px;
  }

  .policy-card {
    border-radius: 24px;
  }

  .policy-card section + section {
    margin-top: 30px;
    padding-top: 30px;
  }

  .brand-copy small {
    display: none;
  }

  .brand-copy strong {
    font-size: 14px;
  }

  .hero {
    padding: 124px 0 72px;
  }

  .eyebrow {
    margin-bottom: 18px;
  }

  .hero h1 {
    margin-bottom: 21px;
    font-size: clamp(40px, 12vw, 54px);
  }

  .hero-lead {
    margin-bottom: 29px;
    font-size: 16px;
  }

  .hero-actions {
    display: grid;
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-points {
    display: grid;
  }

  .hero-visual {
    margin-top: 4px;
    padding: 0 0 44px;
  }

  .browser-bar {
    min-height: 45px;
    padding-inline: 10px;
    grid-template-columns: auto 1fr auto;
    gap: 8px;
  }

  .browser-dots {
    gap: 4px;
  }

  .browser-dots i {
    width: 6px;
    height: 6px;
  }

  .address-bar {
    height: 27px;
    padding-inline: 8px;
    font-size: 8px;
  }

  .browser-bar img {
    width: 22px;
    height: 22px;
  }

  .browser-content {
    min-height: 430px;
    padding: 32px 22px 44px;
    background: #fff;
  }

  .article-topline {
    font-size: 8px;
  }

  .browser-content h2 {
    margin-top: 29px;
    font-size: 24px;
    line-height: 1.75;
  }

  .article-body {
    font-size: 12px;
    line-height: 2.3;
  }

  .annotation-status {
    top: 17px;
    right: 15px;
    padding: 6px 8px;
    font-size: 7px;
  }

  .translation-popover {
    right: 15px;
    bottom: 18px;
    left: 15px;
    width: auto;
    padding: 14px;
  }

  .note-local {
    bottom: 0;
    left: -8px;
  }

  .trust-grid > div {
    min-height: 88px;
    padding: 18px 13px;
    flex-direction: column;
    gap: 3px;
    text-align: center;
  }

  .trust-grid strong {
    font-size: 17px;
  }

  .trust-grid span {
    font-size: 10px;
  }

  .section {
    padding: 76px 0;
  }

  .section-heading {
    margin-bottom: 40px;
  }

  .section-heading h2,
  .management-copy h2,
  .privacy-copy h2,
  .faq-heading h2 {
    margin-bottom: 16px;
    font-size: 34px;
  }

  .section-heading > p:last-child,
  .split-heading > p,
  .management-copy > p,
  .privacy-copy > p,
  .faq-heading > p {
    font-size: 15px;
  }

  .journey-card {
    padding: 25px;
  }

  .journey-icon {
    width: 48px;
    height: 48px;
  }

  .feature-card {
    padding: 28px 24px;
    border-radius: 24px;
  }

  .feature-card h3 {
    font-size: 28px;
  }

  .reading-demo {
    padding: 35px 23px 26px;
  }

  .loanword-demo {
    padding: 30px 22px 24px;
  }

  .loanword-showcase {
    padding-left: 0;
    grid-template-columns: 1fr;
  }

  .loanword-sample {
    min-height: 96px;
    padding: 14px;
  }

  .loanword-note {
    padding-inline: 0;
  }

  .reading-demo::before {
    left: 17px;
  }

  .reading-line {
    padding-left: 2px;
    font-size: 22px;
  }

  .smart-examples {
    padding-left: 0;
    display: grid;
  }

  .mini-result {
    width: calc(100% - 18px);
    margin-left: 18px;
  }

  .context-list div {
    align-items: flex-start;
    flex-direction: column;
    gap: 3px;
  }

  .context-list b {
    text-align: left;
  }

  .management-points {
    grid-template-columns: 1fr;
  }

  .dashboard-mock {
    min-height: 500px;
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    border-radius: 20px;
  }

  .dashboard-sidebar {
    padding: 13px;
    display: flex;
    align-items: center;
    gap: 6px;
    overflow: hidden;
  }

  .dashboard-brand {
    margin: 0 auto 0 0;
  }

  .dashboard-brand b {
    display: none;
  }

  .dashboard-nav {
    width: 34px;
    height: 34px;
    min-height: 34px;
    margin: 0;
    padding: 0;
    justify-content: center;
  }

  .dashboard-nav b {
    display: none;
  }

  .dashboard-main {
    padding: 26px 18px;
  }

  .dashboard-form {
    padding: 18px;
  }

  .privacy-section {
    padding-top: 18px;
  }

  .privacy-card {
    padding: 34px 25px;
    border-radius: 24px;
  }

  .install-grid {
    grid-template-columns: 1fr;
  }

  .install-grid li {
    min-height: auto;
  }

  .faq-list summary {
    min-height: 74px;
    font-size: 15px;
  }

  .faq-list details p {
    margin-right: 0;
  }

  .final-cta {
    padding-bottom: 50px;
  }

  .final-cta-inner {
    padding: 32px 25px;
    border-radius: 24px;
    grid-template-columns: 1fr;
    text-align: center;
  }

  .final-cta-inner img {
    margin-inline: auto;
  }

  .final-cta-inner .button {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-brand {
    justify-content: center;
  }

  .site-footer p {
    grid-row: auto;
    grid-column: auto;
    text-align: center;
  }

  .site-footer > div > a {
    justify-self: center;
  }
}

@media (max-width: 380px) {
  .brand-copy strong {
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .browser-content h2 {
    font-size: 21px;
  }

  .translation-popover p {
    font-size: 11px;
  }

  .journey-card {
    grid-template-columns: 1fr;
  }

  .journey-icon {
    grid-row: auto;
    margin-bottom: 20px;
  }

  .journey-card p {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media (forced-colors: active) {
  .button,
  .language-switcher summary,
  .language-switcher ul,
  .journey-card,
  .feature-card,
  .dashboard-mock,
  .privacy-card,
  .install-grid li,
  .final-cta-inner {
    border: 1px solid CanvasText;
  }

  .hero-points span,
  .annotation-status span {
    forced-color-adjust: none;
  }

  .language-switcher a[aria-current="page"] {
    outline: 2px solid CanvasText;
  }
}