/* Hallmark · scope: six audit fixes · tone: calm · anchor hue: forest green
 * pre-emit critique: P4 H4 E4 S4 R4 V3 · scope-limited, not a 58-gate certification.
 * Existing page structure retained; feature cards become a voice-led asymmetric panel.
 * Base rules below mirror styles.css as tokenized overrides; original global CSS is untouched. */
@import url("/tokens.css");
@font-face {
  font-family: "Sumpace Heading";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/fonts/noto-serif-kr-heading-700.ttf") format("truetype");
}
@font-face {
  font-family: "Sumpace Heading Fallback";
  src: local("Times New Roman");
  size-adjust: 100%;
  ascent-override: 115.1%;
  descent-override: 28.6%;
  line-gap-override: 0%;
}
:root {
  --paper: var(--color-paper);
  --ink: var(--color-ink);
  --muted: var(--color-muted);
  --line: var(--color-line);
  --green: var(--color-green);
  --deep: var(--color-deep);
  --lime: var(--color-lime);
  --white: var(--color-white);
  --radius: 28px;
  color-scheme: light;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-lg);
}
body {
  margin: 0;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}
button,
a,
summary {
  -webkit-tap-highlight-color: transparent;
}
button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 5px;
}
button {
  touch-action: manipulation;
}
svg {
  display: block;
}
p,
h1,
h2,
h3,
figure {
  margin: 0;
}
.shell {
  width: min(1240px, calc(100% - 112px));
  margin-inline: auto;
}
.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 10;
  background: var(--deep);
  color: var(--color-white);
  padding: var(--space-xs) var(--space-sm);
  transform: translateY(-160%);
}
.skip-link:focus {
  transform: translateY(0);
}
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 112px;
  border-bottom: 1px solid var(--line);
  gap: var(--space-md);
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -1px;
}
.brand-icon {
  width: 37px;
  height: 37px;
}
.brand-english {
  display: block;
  font-size: 9px;
  letter-spacing: 2.2px;
  margin-top: var(--space-3xs);
  font-weight: 650;
}
.site-header nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  font-size: 14px;
  font-weight: 600;
}
.nav-contact {
  border-bottom: 1px solid;
  padding-block: var(--space-2xs);
}
.language-switch {
  background: none;
  border: 1px solid var(--color-control-rule);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  font-size: 12px;
}
.language-switch:hover {
  background: var(--green);
}
.hero {
  display: grid;
  grid-template-columns: 1fr 1.02fr;
  gap: var(--space-xl);
  padding-top: var(--space-lg);
  padding-bottom: var(--space-2xl);
  align-items: center;
}
.hero-copy {
  padding-block: var(--space-md);
}
.eyebrow {
  font-size: 12px;
  letter-spacing: 1.6px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  line-height: 1.6;
}
.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  background: var(--color-status);
  border-radius: 50%;
  flex-shrink: 0;
}
.hero h1 {
  font-size: clamp(64px, 7.4vw, 104px);
  font-weight: 800;
  line-height: 1.11;
  letter-spacing: -7px;
  margin: var(--space-md) 0 var(--space-lg);
}
.hero h1 > span {
  display: block;
}
.hero-emphasis {
  position: relative;
  width: fit-content;
}
.hero-emphasis:after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 13px;
  background: var(--color-emphasis);
  z-index: -1;
  transform: rotate(-2deg);
}
.hero-subtitle {
  font-size: 21px;
  font-weight: 650;
  letter-spacing: -0.8px;
  line-height: 1.6;
}
.hero-description {
  font-size: 16px;
  line-height: 1.9;
  max-width: 385px;
  color: var(--muted);
  margin-top: var(--space-xs);
  word-break: keep-all;
}
.hero-actions {
  display: flex;
  gap: var(--space-md);
  align-items: center;
  flex-wrap: wrap;
  margin-top: var(--space-lg);
}
.button {
  display: inline-flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  min-height: 54px;
  padding: var(--space-sm) var(--space-md);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 650;
  transition:
    background 0.18s,
    transform 0.18s;
}
.button:hover {
  transform: translateY(-2px);
}
.button-dark {
  background: var(--deep);
  color: var(--white);
}
.button-dark:hover {
  background: var(--color-button-hover);
}
.text-link {
  font-size: 13px;
  font-weight: 650;
  line-height: 1.7;
  border-bottom: 1px solid transparent;
}
.text-link:hover {
  border-color: currentColor;
}
.platforms {
  display: flex;
  gap: var(--space-2xs);
  align-items: center;
  flex-wrap: wrap;
  margin-top: var(--space-lg);
  font-size: 12px;
  letter-spacing: 0.2px;
  color: var(--muted);
}
.platform-note {
  border-left: 1px solid var(--color-platform-rule);
  padding-left: var(--space-xs);
  margin-left: var(--space-3xs);
}
.hero-art {
  position: relative;
  isolation: isolate;
  height: 620px;
  min-width: 0;
  border-radius: var(--radius);
  background: var(--color-illustration);
  overflow: hidden;
}
.art-topline {
  display: flex;
  justify-content: space-between;
  position: absolute;
  inset: 25px 27px auto;
  font-size: 10px;
  letter-spacing: 1.5px;
  font-weight: 700;
}
.art-topline > span:last-child {
  font-size: 22px;
  line-height: 16px;
}
.track {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  color: var(--color-track);
  opacity: 0.35;
}
.art-note {
  position: absolute;
  top: 89px;
  left: 32px;
  font-size: 13px;
  letter-spacing: -0.3px;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  color: var(--color-art-note);
}
.watch-strap {
  position: absolute;
  background: var(--color-strap);
  left: 50%;
  width: 128px;
  transform: translateX(-50%) rotate(13deg);
  border: 1px solid var(--color-strap-rule);
  box-shadow:
    inset 8px 0 12px var(--color-strap-shadow),
    inset -4px 0 10px var(--color-strap-light);
}
.strap-top {
  height: 170px;
  top: 49px;
  border-radius: 29px 29px 0 0;
  transform: translateX(-31%) rotate(13deg);
}
.strap-bottom {
  height: 179px;
  top: 340px;
  border-radius: 0 0 29px 29px;
  transform: translateX(-72%) rotate(13deg);
  background: repeating-linear-gradient(
    90deg,
    var(--color-strap-ridge) 0px,
    var(--color-strap-ridge) 12px,
    var(--color-strap-groove) 13px,
    var(--color-strap-ridge) 14px
  );
}
.watch {
  position: absolute;
  width: 300px;
  height: 300px;
  top: 155px;
  left: 50%;
  transform: translateX(-50%) rotate(13deg);
  border-radius: 50%;
  background: linear-gradient(
    140deg,
    var(--color-case-light),
    var(--color-case-mid) 25%,
    var(--color-case-dark) 60%,
    var(--color-case-reflection)
  );
  box-shadow:
    10px 18px 30px var(--color-case-shadow),
    0 1px 0 1px var(--color-case-rule),
    inset 0 0 0 3px var(--color-case-inset);
  padding: var(--space-xs);
}
.watch-crown {
  position: absolute;
  right: -8px;
  top: 105px;
  width: 14px;
  height: 36px;
  border-radius: 4px;
  background: linear-gradient(
    90deg,
    var(--color-crown-dark),
    var(--color-crown-light),
    var(--color-crown-mid)
  );
  z-index: -1;
}
.watch-face {
  position: relative;
  background: var(--color-screen);
  width: 100%;
  height: 100%;
  border-radius: 50%;
  color: var(--color-screen-ink);
  border: 4px solid var(--color-screen-border);
  overflow: hidden;
  transform: rotate(-13deg);
}
.watch-top {
  position: absolute;
  top: 39px;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  font-size: 10px;
  color: var(--color-screen-muted);
}
.watch-round {
  font-variant-numeric: tabular-nums;
}
.progress-ring {
  position: absolute;
  inset: 8px;
  width: calc(100% - 16px);
  height: calc(100% - 16px);
  transform: rotate(-90deg);
}
.progress-ring circle {
  fill: none;
  stroke: var(--color-ring-track);
  stroke-width: 5;
}
.progress-ring .ring-progress {
  stroke: var(--color-ring-run);
  stroke-dasharray: 817;
  stroke-dashoffset: 190;
  stroke-linecap: round;
  transition:
    stroke 0.25s,
    stroke-dashoffset 0.25s;
}
.watch-center {
  position: absolute;
  top: 78px;
  left: 0;
  width: 100%;
  display: flex;
  align-items: center;
  flex-direction: column;
}
.watch-mode {
  font-size: 17px;
  font-weight: 650;
  color: var(--lime);
  letter-spacing: -0.4px;
}
.watch-time {
  font-size: 62px;
  line-height: 1.35;
  font-weight: 650;
  letter-spacing: -3px;
  font-variant-numeric: tabular-nums;
}
.watch-next {
  font-size: 11px;
  color: var(--color-screen-next);
}
.watch-bottom {
  position: absolute;
  bottom: 35px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 11px;
  color: var(--color-screen-footer);
}
.hero-art.is-walking .ring-progress {
  stroke: var(--color-ring-walk);
  stroke-dashoffset: 390;
}
.hero-art.is-walking .watch-mode {
  color: var(--color-ring-walk);
}
.voice-card {
  position: absolute;
  top: 424px;
  left: 50%;
  transform: translateX(-50%) rotate(-4deg);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  width: calc(100% - 80px);
  max-width: 330px;
  background: var(--color-voice-paper);
  box-shadow: 0 12px 32px var(--color-voice-shadow);
  padding: var(--space-sm) var(--space-sm);
  border-radius: 12px;
  border: 1px solid var(--color-voice-rule);
}
.voice-icon {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--color-voice-icon);
  font-size: 22px;
  flex-shrink: 0;
}
.voice-text {
  font-size: 12px;
  font-weight: 650;
  flex: 1;
  line-height: 1.6;
}
.voice-bars {
  display: flex;
  align-items: center;
  gap: var(--space-3xs);
}
.voice-bars i {
  width: 3px;
  height: 14px;
  background: var(--color-voice-bars);
  border-radius: 4px;
}
.voice-bars i:nth-child(2n) {
  height: 22px;
}
.voice-bars i:nth-child(3) {
  height: 30px;
}
.demo-controls {
  position: absolute;
  bottom: 66px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  padding: var(--space-3xs);
  border: 1px solid var(--color-demo-rule);
  background: var(--color-demo-paper);
  border-radius: 100px;
  white-space: nowrap;
}
.demo-controls button {
  border: 0;
  padding: var(--space-2xs) var(--space-sm);
  font-size: 11px;
  border-radius: 100px;
  background: none;
  min-height: 40px;
}
.demo-controls button[aria-pressed="true"] {
  background: var(--deep);
  color: var(--white);
}
.hero-art figcaption {
  position: absolute;
  bottom: 27px;
  left: 16px;
  right: 16px;
  text-align: center;
  font-size: 10px;
  color: var(--color-illustration-caption);
  line-height: 1.6;
}
.principles {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding-block: var(--space-md);
  gap: var(--space-md);
}
.principles p {
  display: flex;
  gap: var(--space-sm);
  font-size: 14px;
  font-weight: 600;
}
.principles p > span:first-child {
  font-size: 11px;
  color: var(--color-ordinal);
  margin-top: var(--space-3xs);
  font-variant-numeric: tabular-nums;
}
.section {
  padding-block: var(--space-3xl);
}
.section-heading h2 {
  font-size: clamp(30px, 3.3vw, 44px);
  letter-spacing: -2px;
  line-height: 1.45;
  margin-top: var(--space-sm);
  font-weight: 750;
  word-break: keep-all;
}
.section-heading h2 > span {
  display: block;
}
.section-description {
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
  word-break: keep-all;
  max-width: 380px;
  margin-top: var(--space-sm);
}
.how-section {
  display: grid;
  grid-template-columns: 0.95fr 1.25fr;
  gap: var(--space-2xl);
  align-items: center;
}
.plan-card {
  border: 1px solid var(--color-plan-rule);
  border-radius: 20px;
  padding: var(--space-md) var(--space-md);
  background: var(--color-plan-paper);
}
.plan-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-plan-divider);
  padding-bottom: var(--space-sm);
  gap: var(--space-2xs);
  font-size: 12px;
  font-weight: 650;
}
.plan-total {
  font-size: 26px;
  letter-spacing: -0.8px;
  font-weight: 750;
  white-space: nowrap;
}
.plan-total > span {
  font-size: 13px;
  margin-inline: var(--space-3xs);
  font-weight: 500;
}
.plan-stages {
  display: grid;
  grid-template-columns: 1fr 1.7fr 1fr;
  list-style: none;
  padding: var(--space-md) 0 var(--space-sm);
  margin: 0;
  gap: var(--space-sm);
}
.plan-stages li {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.stage-number {
  font-size: 11px;
  opacity: 0.6;
  margin-bottom: var(--space-sm);
}
.stage-name {
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.plan-stages strong {
  font-size: 16px;
  letter-spacing: -0.5px;
  margin-top: var(--space-2xs);
  white-space: nowrap;
}
.stage-bars {
  display: flex;
  height: 38px;
  align-items: stretch;
  gap: var(--space-3xs);
  margin-top: var(--space-md);
}
.stage-bars i,
.stage-bars b {
  display: block;
  border-radius: 3px;
  flex: 1;
  background: var(--color-stage-warm);
}
.interval-bars i {
  background: var(--color-stage-run);
}
.interval-bars b {
  background: var(--color-stage-walk);
  align-self: flex-end;
  height: 65%;
}
.stage-caption {
  font-size: 10px;
  margin-top: var(--space-2xs);
  color: var(--color-stage-caption);
}
.plan-note {
  border-top: 1px solid var(--color-plan-divider);
  padding-top: var(--space-sm);
  font-size: 11px;
  line-height: 1.8;
  color: var(--color-plan-note);
  word-break: keep-all;
}
.features {
  padding-bottom: var(--space-3xl);
}
.compact h2 {
  margin-top: var(--space-sm);
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}
.feature {
  padding: var(--space-md);
  border-radius: 18px;
  border: 1px solid var(--line);
  overflow: hidden;
}
.feature-voice {
  background: var(--color-feature-voice);
}
.feature-control {
  background: var(--color-feature-control);
}
.feature-record {
  background: var(--color-feature-record);
}
.feature-art,
.control-art,
.record-art {
  height: 135px;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  margin-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-feature-divider);
  padding-bottom: var(--space-sm);
}
.large-sound {
  font-size: 52px;
  font-weight: 350;
  letter-spacing: 5px;
  color: var(--color-sound);
}
.large-sound > span {
  display: inline-block;
  color: var(--deep);
  font-size: 53px;
  padding-inline: var(--space-2xs);
}
.feature-art-note {
  position: absolute;
  bottom: 15px;
  font-size: 8px;
  letter-spacing: 1.3px;
  color: var(--color-sound-note);
}
.control-chip {
  border-radius: 100px;
  padding: var(--space-xs) var(--space-sm);
  font-size: 13px;
  font-weight: 650;
}
.run-chip {
  background: var(--color-chip-run);
  color: var(--color-chip-ink);
  transform: rotate(-8deg);
}
.walk-chip {
  border: 1px solid var(--color-chip-rule);
  background: var(--color-chip-walk);
  transform: rotate(8deg);
}
.control-arrow {
  font-size: 25px;
  margin-inline: var(--space-xs);
  font-weight: 400;
}
.record-art {
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 1px;
  gap: var(--space-xs);
}
.record-art > span:not(.record-check) {
  padding: var(--space-xs) var(--space-2xs);
  background: var(--color-record-paper);
  border: 1px solid var(--color-record-rule);
  border-radius: 12px;
  z-index: 1;
}
.record-line {
  height: 1px;
  flex: 1;
  max-width: 50px;
  border-top: 1px dashed var(--color-record-line);
}
.record-check {
  position: absolute;
  bottom: 24px;
  background: var(--color-record-check);
  border-radius: 50%;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  font-size: 11px;
  letter-spacing: 0;
}
.feature-label {
  font-size: 9px;
  letter-spacing: 1.5px;
  color: var(--color-feature-label);
  font-weight: 700;
}
.feature h3 {
  font-size: 24px;
  line-height: 1.55;
  letter-spacing: -1px;
  margin-top: var(--space-xs);
  white-space: pre-line;
}
.feature > p:last-child {
  font-size: 13px;
  line-height: 1.9;
  color: var(--color-feature-body);
  margin-top: var(--space-xs);
  word-break: keep-all;
}
.development-note {
  display: flex;
  align-items: baseline;
  gap: var(--space-2xs);
  margin-top: var(--space-md);
  font-size: 11px;
  color: var(--color-development-note);
  line-height: 1.9;
}
.privacy-strip {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-lg) var(--space-lg);
  border: 1px solid var(--color-privacy-rule);
  border-radius: 16px;
}
.privacy-symbol {
  font-size: 55px;
  color: var(--color-privacy-symbol);
  flex-shrink: 0;
}
.privacy-strip .eyebrow {
  font-size: 9px;
  letter-spacing: 1.4px;
}
.privacy-strip h2 {
  font-size: 27px;
  letter-spacing: -1px;
  margin-top: var(--space-2xs);
}
.privacy-strip p:last-child {
  font-size: 13px;
  line-height: 1.9;
  color: var(--muted);
  max-width: 650px;
  margin-top: var(--space-2xs);
  word-break: keep-all;
}
.privacy-strip > a {
  margin-left: auto;
  white-space: nowrap;
}
.faq-section {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: var(--space-3xl);
}
.faq-list {
  border-top: 1px solid var(--color-faq-rule);
}
.faq-list details {
  border-bottom: 1px solid var(--color-faq-rule);
  padding: var(--space-md) 0;
}
.faq-list summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
  font-size: 16px;
  font-weight: 650;
  line-height: 1.7;
  word-break: keep-all;
}
.faq-list summary::-webkit-details-marker {
  display: none;
}
.faq-list summary:after {
  content: "+";
  font-size: 24px;
  line-height: 1.2;
  font-weight: 400;
}
.faq-list details[open] summary:after {
  content: "−";
}
.faq-list details p {
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
  margin-top: var(--space-sm);
  padding-right: var(--space-md);
  word-break: keep-all;
}
.contact-section {
  background: var(--deep);
  color: var(--paper);
  overflow: hidden;
}
.contact-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding-block: var(--space-2xl);
}
.contact-inner .eyebrow {
  color: var(--color-contact-eyebrow);
  font-size: 10px;
}
.contact-inner h2 {
  font-size: clamp(34px, 4.1vw, 54px);
  letter-spacing: -2px;
  line-height: 1.4;
  margin-top: var(--space-sm);
  word-break: keep-all;
}
.contact-inner h2 span {
  display: block;
}
.contact-inner p:not(.eyebrow):not(.email-note) {
  font-size: 14px;
  line-height: 1.9;
  margin-top: var(--space-sm);
  color: var(--color-contact-muted);
  white-space: pre-line;
}
.button-light {
  background: var(--color-contact-button);
  color: var(--ink);
  margin-top: var(--space-md);
  letter-spacing: 0.2px;
}
.button-light:hover {
  background: var(--color-contact-hover);
}
.email-note {
  font-size: 10px;
  color: var(--color-contact-note);
  line-height: 1.7;
  margin-top: var(--space-sm);
}
.contact-mark {
  display: flex;
  font-size: 245px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -22px;
  transform: rotate(-12deg);
  color: var(--color-contact-mark);
  user-select: none;
}
.contact-mark-dot {
  color: var(--color-contact-dot);
}
.site-footer {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  justify-content: space-between;
  min-height: 115px;
  font-size: 11px;
  color: var(--muted);
}
.footer-brand {
  font-size: 19px;
  font-weight: 750;
  color: var(--deep);
  letter-spacing: -0.5px;
}
.footer-brand span {
  font-size: 9px;
  letter-spacing: 1.5px;
  margin-left: var(--space-2xs);
  font-weight: 650;
}
.site-footer > div {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.site-footer a:hover {
  text-decoration: underline;
}
.noscript-note {
  padding: var(--space-sm);
  text-align: center;
  font-size: 12px;
}
.legal {
  max-width: 780px;
  padding-block: var(--space-2xl) var(--space-3xl);
}
.legal h1 {
  font-size: 40px;
  letter-spacing: -2px;
  margin-bottom: var(--space-xs);
}
.legal h2 {
  font-size: 22px;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-xs);
}
.legal p,
.legal li {
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
}
.legal .legal-date {
  font-size: 12px;
}
.legal a {
  text-decoration: underline;
  text-underline-offset: 3px;
}
html[lang="en"] .hero h1 {
  font-size: clamp(60px, 6.6vw, 90px);
  letter-spacing: -5px;
}
html[lang="en"] .hero-subtitle {
  font-size: 19px;
}
html[lang="en"] .section-heading h2,
html[lang="en"] .contact-inner h2 {
  letter-spacing: -1.4px;
}
html[lang="en"] .feature h3 {
  font-size: 23px;
  letter-spacing: -0.8px;
}
html[lang="en"] .stage-name {
  font-size: 10px;
}
html[lang="en"] .plan-stages strong {
  font-size: 13px;
}
html[lang="en"] .hero-description {
  max-width: 420px;
}
html[lang="en"] .voice-text {
  font-size: 11px;
}
@media (min-width: 1440px) {
  .hero {
    gap: var(--space-2xl);
  }
  .hero-art {
    height: 650px;
  }
  .watch {
    top: 170px;
  }
  .voice-card {
    top: 440px;
  }
  .strap-top {
    top: 65px;
  }
  .strap-bottom {
    top: 355px;
  }
}
@media (max-width: 1100px) {
  .shell {
    width: calc(100% - 64px);
  }
  .hero {
    gap: var(--space-md);
  }
  .hero h1 {
    font-size: 80px;
    letter-spacing: -5px;
  }
  .hero-art {
    height: 590px;
  }
  .hero-subtitle {
    font-size: 18px;
  }
  .hero-description {
    font-size: 15px;
  }
  .hero-actions {
    gap: var(--space-sm);
  }
  .how-section {
    gap: var(--space-lg);
    grid-template-columns: 0.85fr 1.15fr;
  }
  .plan-card {
    padding: var(--space-md) var(--space-sm);
  }
  .plan-stages {
    gap: var(--space-xs);
  }
  .stage-name {
    font-size: 11px;
  }
  .plan-stages strong {
    font-size: 14px;
  }
  .feature-grid {
    gap: var(--space-sm);
  }
  .feature {
    padding: var(--space-sm);
  }
  .feature h3 {
    font-size: 21px;
  }
  .control-chip {
    padding: var(--space-xs) var(--space-xs);
  }
  .control-arrow {
    margin-inline: var(--space-2xs);
  }
  .privacy-strip {
    padding: var(--space-lg) var(--space-md);
    gap: var(--space-sm);
  }
  .faq-section {
    gap: var(--space-xl);
  }
  .site-header nav {
    gap: var(--space-md);
  }
  .hero-art .watch {
    width: 270px;
    height: 270px;
    top: 155px;
  }
  .watch-center {
    top: 67px;
  }
  .watch-time {
    font-size: 56px;
  }
  .watch-bottom {
    bottom: 30px;
  }
  .watch-top {
    top: 32px;
  }
  .voice-card {
    top: 403px;
    width: calc(100% - 35px);
  }
  .strap-bottom {
    top: 325px;
  }
  .contact-mark {
    font-size: 210px;
  }
}
@media (max-width: 820px) {
  .site-header {
    min-height: 90px;
  }
  .shell {
    width: calc(100% - 48px);
  }
  .hero {
    grid-template-columns: 1fr;
    gap: var(--space-md);
    padding-top: var(--space-lg);
    padding-bottom: var(--space-lg);
  }
  .hero-copy {
    padding: var(--space-sm) 0 0;
  }
  .hero h1 {
    font-size: 90px;
    line-height: 1.12;
    margin-top: var(--space-md);
    margin-bottom: var(--space-md);
  }
  .hero h1 > span {
    display: inline;
  }
  .hero h1 > span + span {
    margin-left: var(--space-xs);
  }
  .hero-description {
    max-width: 570px;
  }
  .hero-actions {
    margin-top: var(--space-md);
  }
  .platforms {
    margin-top: var(--space-md);
  }
  .hero-art {
    height: 540px;
    width: 100%;
  }
  .hero-art .watch {
    top: 115px;
    width: 290px;
    height: 290px;
  }
  .watch-center {
    top: 75px;
  }
  .watch-time {
    font-size: 60px;
  }
  .watch-bottom {
    bottom: 34px;
  }
  .watch-top {
    top: 37px;
  }
  .voice-card {
    top: 366px;
    width: 330px;
  }
  .strap-top {
    top: 20px;
  }
  .strap-bottom {
    top: 290px;
    height: 150px;
  }
  .art-note {
    top: 95px;
    left: 40px;
  }
  .demo-controls {
    bottom: 54px;
  }
  .hero-art figcaption {
    bottom: 18px;
  }
  .principles {
    gap: var(--space-sm);
    padding-block: var(--space-sm);
  }
  .principles p {
    font-size: 12px;
    gap: var(--space-2xs);
    word-break: keep-all;
  }
  .section {
    padding-block: var(--space-2xl);
  }
  .how-section {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  .section-heading h2 {
    font-size: 35px;
  }
  .section-description {
    max-width: 540px;
  }
  .plan-card {
    padding: var(--space-md) var(--space-md);
  }
  .plan-stages {
    grid-template-columns: 1fr 1.7fr 1fr;
    gap: var(--space-md);
  }
  .stage-name {
    font-size: 13px;
  }
  .plan-stages strong {
    font-size: 19px;
  }
  .feature-grid {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }
  .feature {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    column-gap: var(--space-md);
    padding: var(--space-md);
  }
  .feature-art,
  .control-art,
  .record-art {
    grid-column: 1;
    grid-row: 1/4;
    height: 100%;
    min-height: 155px;
    margin: 0;
    border-bottom: 0;
    border-right: 1px solid var(--color-feature-divider);
    padding-right: var(--space-md);
  }
  .feature-label,
  .feature h3,
  .feature > p:last-child {
    grid-column: 2;
  }
  .feature h3 {
    font-size: 24px;
    margin-top: var(--space-2xs);
  }
  .feature > p:last-child {
    margin-top: var(--space-2xs);
  }
  .feature-art-note {
    font-size: 7px;
    bottom: 6px;
    left: 0;
    right: 25px;
    text-align: center;
  }
  .record-art {
    gap: var(--space-2xs);
    font-size: 9px;
  }
  .record-check {
    bottom: 24px;
    left: calc(50% - 25px);
  }
  .record-line {
    min-width: 10px;
  }
  .record-art > span:not(.record-check) {
    padding: var(--space-xs) var(--space-3xs);
  }
  .features {
    padding-bottom: var(--space-2xl);
  }
  .privacy-strip {
    flex-wrap: wrap;
    gap: var(--space-sm);
  }
  .privacy-strip > div:nth-child(2) {
    flex: 1;
    min-width: 0;
  }
  .privacy-strip > a {
    margin-left: var(--space-2xl);
  }
  .privacy-strip h2 {
    font-size: 24px;
  }
  .faq-section {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  .faq-section h2 br {
    display: none;
  }
  .contact-inner {
    padding-block: var(--space-2xl);
  }
  .contact-mark {
    font-size: 160px;
    letter-spacing: -16px;
  }
  .contact-inner h2 {
    font-size: 35px;
  }
  .site-footer {
    flex-wrap: wrap;
    justify-content: flex-start;
    padding-block: var(--space-md);
    gap: var(--space-sm);
  }
  .site-footer > div {
    margin-left: auto;
  }
  .site-footer > p {
    display: none;
  }
  html[lang="en"] .hero h1 {
    font-size: 75px;
  }
  html[lang="en"] .hero h1 > span {
    display: block;
  }
  html[lang="en"] .hero h1 > span + span {
    margin-left: 0;
  }
  html[lang="en"] .stage-name {
    font-size: 12px;
  }
  html[lang="en"] .plan-stages strong {
    font-size: 17px;
  }
}
@media (max-width: 520px) {
  .shell {
    width: calc(100% - 40px);
  }
  .site-header {
    min-height: 82px;
    gap: var(--space-xs);
  }
  .brand {
    font-size: 21px;
    gap: var(--space-2xs);
  }
  .brand-icon {
    width: 30px;
    height: 30px;
  }
  .brand-english {
    font-size: 8px;
    letter-spacing: 1.8px;
    margin-top: var(--space-3xs);
  }
  .site-header nav {
    gap: var(--space-xs);
  }
  .nav-how,
  .nav-faq {
    display: none;
  }
  .nav-contact {
    font-size: 12px;
  }
  .language-switch {
    width: 38px;
    height: 38px;
    font-size: 11px;
  }
  .hero {
    padding-top: var(--space-md);
    gap: var(--space-lg);
  }
  .hero-copy {
    padding-top: var(--space-3xs);
  }
  .hero .eyebrow {
    font-size: 11px;
  }
  .hero h1 {
    font-size: 72px;
    letter-spacing: -5px;
    margin: var(--space-md) 0;
  }
  .hero h1 > span {
    display: block;
  }
  .hero h1 > span + span {
    margin-left: 0;
  }
  .hero-subtitle {
    font-size: 17px;
    letter-spacing: -0.6px;
  }
  .hero-description {
    font-size: 14px;
    line-height: 1.9;
    margin-top: var(--space-xs);
    max-width: 340px;
  }
  .hero-actions {
    gap: var(--space-sm);
    margin-top: var(--space-md);
  }
  .button {
    font-size: 13px;
    padding: var(--space-xs) var(--space-sm);
    gap: var(--space-sm);
    min-height: 52px;
  }
  .hero-actions > .text-link {
    font-size: 11px;
  }
  .platforms {
    font-size: 11px;
    margin-top: var(--space-md);
  }
  .hero-art {
    height: 500px;
    border-radius: 22px;
  }
  .art-topline {
    inset: 22px 22px auto;
    font-size: 8px;
    letter-spacing: 1.2px;
  }
  .hero-art .watch {
    width: 256px;
    height: 256px;
    top: 113px;
    padding: var(--space-2xs);
  }
  .watch-top {
    top: 31px;
    font-size: 9px;
  }
  .watch-center {
    top: 63px;
  }
  .watch-time {
    font-size: 54px;
    letter-spacing: -2px;
  }
  .watch-mode {
    font-size: 15px;
  }
  .watch-next {
    font-size: 10px;
  }
  .watch-bottom {
    bottom: 29px;
    font-size: 10px;
  }
  .watch-strap {
    width: 108px;
  }
  .strap-top {
    top: 30px;
    height: 150px;
  }
  .strap-bottom {
    top: 285px;
    height: 115px;
  }
  .voice-card {
    top: 335px;
    padding: var(--space-xs) var(--space-sm);
    width: calc(100% - 40px);
    max-width: 310px;
    gap: var(--space-2xs);
  }
  .voice-icon {
    width: 27px;
    height: 27px;
    font-size: 19px;
  }
  .voice-text {
    font-size: 11px;
  }
  .voice-bars {
    gap: var(--space-3xs);
  }
  .voice-bars i {
    width: 2px;
  }
  .art-note {
    top: 75px;
    left: 21px;
    font-size: 11px;
  }
  .demo-controls {
    bottom: 57px;
  }
  .demo-controls button {
    padding: var(--space-2xs) var(--space-sm);
    font-size: 11px;
  }
  .hero-art figcaption {
    bottom: 20px;
    font-size: 9px;
    left: 10px;
    right: 10px;
  }
  .principles {
    gap: var(--space-2xs);
    padding-block: var(--space-sm);
  }
  .principles p {
    flex-direction: column;
    gap: var(--space-2xs);
    font-size: 11px;
    line-height: 1.7;
  }
  .principles p > span:first-child {
    font-size: 10px;
  }
  .section {
    padding-block: var(--space-2xl);
  }
  .eyebrow {
    font-size: 9px;
    letter-spacing: 1.2px;
  }
  .section-heading h2 {
    font-size: 29px;
    letter-spacing: -1.7px;
    margin-top: var(--space-sm);
  }
  .section-description {
    font-size: 14px;
    margin-top: var(--space-sm);
  }
  .how-section {
    gap: var(--space-md);
  }
  .plan-card {
    padding: var(--space-md) var(--space-sm);
    border-radius: 16px;
  }
  .plan-header {
    font-size: 11px;
  }
  .plan-total {
    font-size: 24px;
  }
  .plan-total > span {
    font-size: 11px;
  }
  .plan-stages {
    gap: var(--space-xs);
    padding-top: var(--space-sm);
  }
  .stage-number {
    margin-bottom: var(--space-xs);
  }
  .stage-name {
    font-size: 10px;
  }
  .plan-stages strong {
    font-size: 12px;
    letter-spacing: -0.5px;
  }
  .stage-bars {
    gap: var(--space-3xs);
    height: 32px;
    margin-top: var(--space-sm);
  }
  .plan-note {
    font-size: 10px;
    line-height: 1.8;
  }
  .stage-caption {
    font-size: 9px;
  }
  .features {
    padding-bottom: var(--space-xl);
  }
  .feature-grid {
    margin-top: var(--space-md);
    gap: var(--space-xs);
  }
  .feature {
    display: block;
    padding: var(--space-md);
  }
  .feature-art,
  .control-art,
  .record-art {
    height: 110px;
    min-height: 0;
    padding-right: 0;
    padding-bottom: var(--space-sm);
    border-right: 0;
    border-bottom: 1px solid var(--color-feature-divider);
    margin-bottom: var(--space-md);
  }
  .feature-art-note {
    right: 0;
    font-size: 8px;
    bottom: 10px;
  }
  .feature h3 {
    font-size: 24px;
    margin-top: var(--space-2xs);
  }
  .feature > p:last-child {
    font-size: 13px;
    margin-top: var(--space-2xs);
  }
  .record-art {
    font-size: 11px;
    gap: var(--space-sm);
  }
  .record-art > span:not(.record-check) {
    padding: var(--space-sm) var(--space-xs);
  }
  .record-check {
    left: calc(50% - 11px);
    bottom: 14px;
  }
  .control-chip {
    padding: var(--space-xs) var(--space-md);
  }
  .development-note {
    font-size: 10px;
    gap: var(--space-2xs);
  }
  .privacy-strip {
    padding: var(--space-md) var(--space-sm);
    gap: var(--space-xs);
    align-items: flex-start;
  }
  .privacy-symbol {
    font-size: 37px;
    line-height: 1.5;
  }
  .privacy-strip .eyebrow {
    font-size: 8px;
  }
  .privacy-strip h2 {
    font-size: 22px;
    line-height: 1.5;
  }
  .privacy-strip p:last-child {
    font-size: 12px;
    line-height: 1.8;
  }
  .privacy-strip > a {
    margin-left: var(--space-xl);
    font-size: 11px;
  }
  .faq-section {
    gap: var(--space-md);
  }
  .faq-list details {
    padding: var(--space-sm) 0;
  }
  .faq-list summary {
    font-size: 14px;
    gap: var(--space-xs);
  }
  .faq-list details p {
    font-size: 13px;
    padding-right: var(--space-2xs);
    margin-top: var(--space-xs);
  }
  .contact-inner {
    padding-block: var(--space-xl);
    position: relative;
  }
  .contact-inner > div:first-child {
    position: relative;
    z-index: 1;
  }
  .contact-inner h2 {
    font-size: 30px;
    letter-spacing: -1.6px;
    margin-top: var(--space-sm);
  }
  .contact-inner p:not(.eyebrow):not(.email-note) {
    font-size: 13px;
    line-height: 1.9;
    max-width: 310px;
    margin-top: var(--space-sm);
  }
  .contact-mark {
    position: absolute;
    right: -7px;
    bottom: 30px;
    font-size: 135px;
    opacity: 0.09;
    letter-spacing: -13px;
  }
  .email-note {
    font-size: 9px;
    max-width: 310px;
  }
  .site-footer {
    padding-block: var(--space-md);
    gap: var(--space-sm);
    min-height: 0;
  }
  .footer-brand {
    font-size: 18px;
  }
  .footer-brand span {
    font-size: 8px;
    margin-left: var(--space-2xs);
  }
  .site-footer > div {
    margin: 0;
    justify-content: space-between;
    width: 100%;
    font-size: 10px;
    gap: var(--space-xs);
  }
  .legal {
    padding-block: var(--space-lg) var(--space-2xl);
  }
  .legal h1 {
    font-size: 31px;
  }
  .legal h2 {
    font-size: 20px;
  }
  .legal p,
  .legal li {
    font-size: 14px;
  }
  html[lang="en"] .hero h1 {
    font-size: 62px;
    letter-spacing: -4px;
  }
  html[lang="en"] .hero-subtitle {
    font-size: 16px;
  }
  html[lang="en"] .hero-description {
    font-size: 14px;
  }
  html[lang="en"] .stage-name {
    font-size: 9px;
  }
  html[lang="en"] .plan-stages strong {
    font-size: 10px;
  }
  html[lang="en"] .contact-inner h2 {
    font-size: 32px;
  }
  html[lang="en"] .hero-actions {
    gap: var(--space-xs);
  }
  html[lang="en"] .hero-actions > .text-link {
    font-size: 10px;
  }
}
@media (max-width: 360px) {
  .shell {
    width: calc(100% - 32px);
  }
  .hero h1 {
    font-size: 65px;
  }
  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: var(--space-xs);
  }
  .hero-art .watch {
    width: 235px;
    height: 235px;
    top: 120px;
  }
  .watch-time {
    font-size: 48px;
  }
  .watch-center {
    top: 59px;
  }
  .watch-bottom {
    bottom: 24px;
  }
  .watch-top {
    top: 28px;
  }
  .plan-stages {
    gap: var(--space-2xs);
  }
  .plan-card {
    padding-inline: var(--space-xs);
  }
  .stage-name {
    font-size: 9px;
  }
  .plan-stages strong {
    font-size: 11px;
  }
  .contact-inner h2 {
    font-size: 28px;
  }
  html[lang="en"] .hero h1 {
    font-size: 56px;
  }
}
@media (max-width: 520px) {
  .privacy-strip {
    display: block;
  }
  .privacy-symbol {
    display: none;
  }
  .privacy-strip > a {
    display: inline-block;
    margin: var(--space-sm) 0 0;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    transition: none !important;
    animation: none !important;
  }
  .button:hover {
    transform: none;
  }
}

/* Audit refinements. Mobile is the base; the voice feature leads on wide screens. */
html,
body {
  overflow-x: clip;
}
.skip-link:not(:focus) { clip-path: inset(50%); }
h1,
h2,
h3 {
  min-width: 0;
  overflow-wrap: anywhere;
  font-style: normal;
}
.hero h1,
html[lang="en"] .hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3.25rem, 16vw, 4.5rem);
  line-height: 1.2;
  letter-spacing: -0.06em;
  margin-block: var(--space-md);
}
html[lang="en"] .hero h1 {
  font-size: clamp(2.5rem, 12vw, 4rem);
  letter-spacing: -0.045em;
}
.hero h1 > span,
html[lang="en"] .hero h1 > span {
  display: block;
}
.hero h1 > span + span {
  margin-inline-start: 0;
}
.section-heading h2,
.contact-inner h2,
.privacy-strip h2 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.05em;
  margin-top: 0;
  line-height: 1.45;
}
.hero-description,
.section-description {
  font-size: var(--text-body);
  line-height: 1.7;
}
.button {
  transition: none;
  white-space: nowrap;
}
.button:hover,
.button:active {
  transform: none;
}
.button:active {
  filter: brightness(0.9);
}
.button-light:active {
  filter: brightness(0.95);
}
button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: var(--space-3xs);
}
.contact-section a:focus-visible {
  outline-color: var(--color-paper);
}
.language-switch {
  min-width: 44px;
  min-height: 44px;
}
.demo-controls button {
  min-height: 44px;
  font-size: var(--text-caption);
}
.text-link,
.site-header nav a,
.site-footer a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  white-space: nowrap;
}
@media (max-width: 32.5rem) {
  .site-header nav .nav-how,
  .site-header nav .nav-faq {
    display: none;
  }
  .site-header nav {
    gap: var(--space-2xs);
  }
}
@media (max-width: 22.5rem) {
  .site-header nav .nav-contact {
    display: none;
  }
}
.principles p {
  color: var(--ink);
  font-size: 0.875rem;
  line-height: 1.6;
}
.feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin-top: var(--space-lg);
}
.feature {
  display: block;
  min-width: 0;
  padding: var(--space-md) 0;
  border: 0;
  border-radius: 0;
  background: none;
  overflow: visible;
}
.feature-voice {
  padding: var(--space-md);
  background: var(--color-feature-voice);
  color: var(--ink);
  border-radius: var(--radius-feature);
  margin-bottom: var(--space-xs);
}
.feature-voice .feature-art {
  display: flex;
  height: 108px;
  min-height: 0;
  margin: 0 0 var(--space-sm);
  padding: 0;
  border: 0;
  justify-content: flex-start;
}
.feature-art-note {
  display: none;
}
.feature h3,
html[lang="en"] .feature h3 {
  font-family: var(--font-body);
  font-size: var(--text-feature);
  font-weight: 750;
  letter-spacing: -0.04em;
  line-height: 1.45;
  margin: 0;
}
.feature-voice h3,
html[lang="en"] .feature-voice h3 {
  font-size: clamp(1.75rem, 2.6vw, 2rem);
}
.feature > p:last-child {
  font-size: var(--text-body);
  line-height: 1.7;
  color: var(--muted);
  margin-top: var(--space-xs);
  max-width: 48ch;
}
.feature-record {
  border-top: 1px solid var(--line);
}
.development-note {
  margin-top: var(--space-sm);
  font-size: var(--text-caption);
  color: var(--muted);
}
.privacy-strip p:last-child,
.faq-list details p {
  font-size: var(--text-body);
  line-height: 1.7;
}
.email-note {
  font-size: var(--text-caption);
}
.hero-art figcaption {
  font-size: 10px;
}
.stage-number {
  color: var(--muted);
  opacity: 1;
}
.plan-note {
  font-size: var(--text-caption);
}
@media (min-width: 33rem) {
  .hero h1 {
    font-size: var(--text-display);
  }
  html[lang="en"] .hero h1 {
    font-size: clamp(3.25rem, 6.2vw, 5rem);
  }
  .feature-voice {
    padding: var(--space-lg);
  }
}
@media (min-width: 60rem) {
  .feature-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    column-gap: var(--space-xl);
  }
  .feature-voice {
    grid-column: 1;
    grid-row: 1 / 3;
    margin-bottom: 0;
    align-self: stretch;
  }
  .feature-control,
  .feature-record {
    grid-column: 2;
    padding-block: var(--space-md);
  }
  .feature-control {
    padding-top: 0;
  }
  .feature-record {
    padding-bottom: 0;
  }
}