:root {
  --paper:#fff9f5;
  --ink:#30272c;
  --pink:#fd5478;
  --berry:#b52b50;
  --muted:#73666c;
  --line:#e6dad6;
  --sky:#eaf2f7;
  --white:#fff;
  --space:clamp(22px,4vw,64px)
}
* {
  box-sizing:border-box
}
html {
  scroll-behavior:smooth;
  scroll-padding-top:28px
}
body {
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'Apple SD Gothic Neo','Malgun Gothic',system-ui,sans-serif;
  word-break:keep-all;
  overflow-wrap:break-word;
  -webkit-font-smoothing:antialiased
}
a {
  color:inherit;
  text-decoration:none
}
button {
  font:inherit;
  cursor:pointer
}
h1,h2,h3,p,figure {
  margin:0
}
a,button,summary {
  -webkit-tap-highlight-color:#fd547833
}
a:focus-visible,button:focus-visible,summary:focus-visible {
  outline:3px solid var(--berry);
  outline-offset:5px
}
.skip {
  position:fixed;
  top:-100px;
  left:20px;
  padding:15px;
  background:white;
  z-index:10
}
.skip:focus {
  top:10px
}
.shell {
  width:min(1360px,calc(100% - 2*var(--space)));
  margin-inline:auto
}
.content {
  width:min(1120px,calc(100% - 2*var(--space)));
  margin-inline:auto
}
.site-header {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:24px;
  padding-block:24px
}
.brand {
  white-space:nowrap;
  display:inline-flex;
  align-items:center;
  gap:11px;
  flex-shrink:0;
  min-height:44px
}
.brand-icon {
  display:block;
  width:44px;
  height:44px;
  flex:none;
  border-radius:11px
}
.brand-wordmark {
  display:block;
  width:153px;
  height:44px
}
nav {
  display:flex;
  align-items:center;
  gap:32px;
  font-size:14px;
  font-weight:650
}
nav a {
  min-height:44px;
  display:inline-flex;
  align-items:center
}
nav a:hover {
  color:var(--berry)
}
.nav-cta {
  gap:18px;
  border:1px solid var(--ink);
  padding:10px 19px;
  border-radius:999px
}
.nav-cta:hover {
  background:#f9e7e8
}
.hero {
  display:grid;
  grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);
  align-items:stretch;
  gap:30px;
  min-height:620px
}
.hero-copy {
  padding:48px 0 54px;
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  justify-content:center;
  min-width:0
}
h1 {
  font-size:clamp(58px,6.4vw,88px);
  font-weight:820;
  line-height:1.13;
  letter-spacing:-.065em
}
h2 {
  font-size:clamp(34px,3.5vw,48px);
  font-weight:780;
  line-height:1.3;
  letter-spacing:-.055em
}
h3 {
  font-size:24px;
  line-height:1.4;
  letter-spacing:-.04em;
  font-weight:750
}
.hero-tagline {
  font-size:clamp(22px,2.1vw,29px);
  font-weight:650;
  line-height:1.5;
  margin-top:22px;
  letter-spacing:-.04em
}
.hero-description {
  font-size:17px;
  line-height:1.85;
  color:var(--muted);
  max-width:440px;
  margin-top:14px
}
.hero-actions {
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:12px;
  margin-top:30px
}
.button {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:28px;
  background:var(--berry);
  color:white;
  padding:18px 24px;
  border-radius:14px;
  font-size:16px;
  font-weight:700;
  min-height:56px;
  line-height:1.5;
  text-align:center
}
.button:hover {
  background:#98203f
}
.button span {
  font-size:21px;
  line-height:1;
  font-weight:400
}
.text-link {
  display:inline-flex;
  align-items:center;
  gap:15px;
  min-height:44px;
  font-size:15px;
  font-weight:650;
  text-decoration:underline;
  text-underline-offset:5px;
  text-decoration-color:#cdb6be
}
.text-link:hover {
  color:var(--berry)
}
.availability {
  font-size:12px;
  line-height:1.7;
  color:var(--muted);
  margin-top:10px
}
.hero-visual {
  position:relative;
  isolation:isolate;
  border-radius:160px 28px 28px 28px;
  overflow:hidden;
  min-height:100%;
  background:#efcdb1;
  display:grid;
  grid-template-rows:1fr auto;
  align-items:end
}
.hero-scene {
  position:absolute;
  z-index:-1;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:65% 75%
}
.hero-mate {
  width:min(87%,430px);
  margin:0 auto 22px;
  transform:rotate(-3deg)
}
.sprite {
  width:100%;
  aspect-ratio:405/362;
  background:url('/assets/choco.webp') no-repeat 0 0;
  background-size:400% 400%;
  animation:stride .64s steps(1,end) infinite
}
.ground {
  height:13px;
  width:60%;
  background:#57392e40;
  border-radius:50%;
  filter:blur(5px);
  margin:-8px auto 0
}
.scene-caption {
  justify-self:end;
  position:relative;
  z-index:1;
  margin:0 22px 22px;
  padding:9px 15px;
  font-size:13px;
  line-height:1.6;
  font-weight:600;
  border-radius:999px;
  background:#fff9f5eb
}
.promise-strip {
  padding-block:43px 50px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:24px;
  font-size:15px;
  line-height:1.7;
  color:var(--muted)
}
.promise-strip strong {
  color:var(--ink);
  font-weight:650;
  white-space:nowrap
}
.promise-strip p {
  min-width:0
}
.app-section {
  padding-block:88px 60px;
  background:var(--sky)
}
.section-intro {
  display:flex;
  justify-content:space-between;
  align-items:end;
  gap:40px
}
.intro {
  font-size:17px;
  line-height:1.9;
  color:var(--muted);
  margin-top:22px;
  max-width:460px
}
.section-intro>.intro {
  margin:0
}
.screens {
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:65px;
  align-items:start;
  margin-top:58px
}
.screens figure {
  min-width:0
}
.screens .run-screen {
  margin-top:55px
}
.phone {
  background:#362a2e;
  border-radius:38px;
  padding:7px;
  overflow:hidden;
  box-shadow:0 18px 28px #4f6a7c1a;
  max-width:280px;
  margin-inline:auto
}
.phone img {
  display:block;
  width:100%;
  height:auto;
  border-radius:31px
}
.screens figcaption {
  padding-top:27px
}
.screens figcaption p {
  font-size:15px;
  line-height:1.85;
  margin-top:12px;
  color:#5c6a76
}
.sample-note {
  font-size:12px;
  line-height:1.8;
  text-align:center;
  color:#5c6a76;
  margin-top:42px
}
.meet {
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  align-items:center;
  gap:80px;
  padding-block:110px
}
.meet-copy {
  min-width:0
}
.quiet-note {
  font-size:13px;
  color:var(--muted);
  line-height:1.85;
  margin-top:24px;
  max-width:360px
}
.playground {
  min-width:0;
  padding:26px 26px 15px;
  background:#f6eae5;
  border-radius:140px 140px 28px 28px;
  text-align:center
}
.stage {
  width:min(260px,90%);
  margin-inline:auto
}
.stage .sprite {
  animation-play-state:paused
}
#mate-intro {
  margin:12px 0 20px;
  min-height:74px
}
#mate-intro h3 {
  font-size:26px
}
#mate-intro p {
  font-size:14px;
  line-height:1.8;
  margin-top:6px;
  color:var(--muted)
}
.picker {
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:6px
}
.picker button {
  border:1px solid #d8c5c7;
  background:#fff9f580;
  padding:9px 14px;
  border-radius:999px;
  min-height:44px;
  font-size:14px;
  color:var(--ink)
}
.picker button:hover {
  background:white
}
.picker button[aria-pressed=true] {
  background:var(--berry);
  color:white;
  border-color:var(--berry);
  font-weight:700
}
.motion-toggle {
  display:inline-flex;
  justify-content:center;
  align-items:center;
  gap:8px;
  min-height:44px;
  border:0;
  background:transparent;
  border-radius:8px;
  font-size:12px;
  text-decoration:underline;
  text-underline-offset:4px;
  color:#6a565f;
  margin-top:12px;
  padding:10px
}
.motion-toggle:disabled {
  cursor:default;
  text-decoration:none
}
.rhythm-section {
  background:#f6efeb
}
.rhythm {
  padding-block:86px;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:90px;
  align-items:start
}
.rhythm .text-link {
  margin-top:24px
}
.notes>div {
  padding-block:25px;
  border-bottom:1px solid #dfd2ce
}
.notes>div:first-child {
  padding-top:0
}
.notes>div:last-child {
  border:0;
  padding-bottom:0
}
.notes h3 {
  font-size:22px
}
.notes p {
  font-size:15px;
  line-height:1.85;
  color:var(--muted);
  margin-top:9px
}
.questions {
  display:grid;
  grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);
  gap:80px;
  padding-block:40px 100px
}
.answers {
  min-width:0
}
.answers details {
  border-bottom:1px solid var(--line)
}
.answers summary {
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  cursor:pointer;
  min-height:70px;
  padding:19px 4px;
  font-size:17px;
  font-weight:650;
  list-style:none;
  line-height:1.6
}
.answers summary::-webkit-details-marker {
  display:none
}
.answers summary:after {
  content:'+';
  font-size:25px;
  color:var(--berry);
  font-weight:400;
  flex-shrink:0;
  line-height:1
}
.answers details[open] summary:after {
  content:'−'
}
.answers p {
  font-size:15px;
  line-height:1.9;
  color:var(--muted);
  padding:0 22px 24px 4px
}
.closing {
  padding-block:50px 60px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:30px
}
.closing p {
  font-size:30px;
  line-height:1.45;
  font-weight:730;
  letter-spacing:-.04em
}
footer {
  border-top:1px solid var(--line);
  padding-block:30px 40px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:18px
}
footer>p {
  font-size:13px;
  color:var(--muted)
}
footer>div {
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:20px;
  margin-left:auto;
  font-size:12px;
  color:var(--muted)
}
footer>div a {
  display:inline-flex;
  align-items:center;
  min-height:44px;
  text-decoration:underline;
  text-underline-offset:4px
}
body.motion-paused .sprite {
  animation-play-state:paused!important
}
.stage.preview-running .sprite {
  animation-play-state:running
}
.hero-visual.offscreen .sprite {
  animation-play-state:paused
}
@keyframes stride {
  0% {
    background-position:0 0
  }
  6.25% {
    background-position:33.3333% 0
  }
  12.5% {
    background-position:66.6667% 0
  }
  18.75% {
    background-position:100% 0
  }
  25% {
    background-position:0 33.3333%
  }
  31.25% {
    background-position:33.3333% 33.3333%
  }
  37.5% {
    background-position:66.6667% 33.3333%
  }
  43.75% {
    background-position:100% 33.3333%
  }
  50% {
    background-position:0 66.6667%
  }
  56.25% {
    background-position:33.3333% 66.6667%
  }
  62.5% {
    background-position:66.6667% 66.6667%
  }
  68.75% {
    background-position:100% 66.6667%
  }
  75% {
    background-position:0 100%
  }
  81.25% {
    background-position:33.3333% 100%
  }
  87.5% {
    background-position:66.6667% 100%
  }
  93.75%,100% {
    background-position:100% 100%
  }
}
@media(max-width:1050px) {
  nav {
    gap:20px
  }
  .hero {
    gap:24px;
    min-height:570px
  }
  h1 {
    font-size:clamp(50px,6.8vw,72px)
  }
  .hero-copy {
    padding-block:36px
  }
  .hero-description {
    font-size:16px
  }
  .desktop-break {
    display:none
  }
  .hero-visual {
    border-top-left-radius:110px
  }
  .hero-mate {
    width:94%
  }
  .section-intro {
    display:block
  }
  .section-intro>.intro {
    margin-top:22px
  }
  .screens {
    gap:32px
  }
  .screens figcaption p br,.notes p br {
    display:none
  }
  .meet,.rhythm,.questions {
    gap:40px
  }
  .picker button {
    padding-inline:12px
  }
  .promise-strip {
    font-size:14px
  }
  .promise-strip p {
    max-width:215px
  }
  .promise-strip strong {
    white-space:normal
  }
}
@media(max-width:760px) {
  .site-header {
    padding-block:15px;
    gap:15px
  }
  .brand {
    gap:9px
  }
  .brand-wordmark {
    width:125px;
    height:36px
  }
  .brand-icon {
    width:36px;
    height:36px;
    border-radius:9px
  }
  .nav-detail {
    display:none
  }
  nav .nav-cta {
    font-size:13px;
    padding-inline:12px;
    gap:10px
  }
  .hero {
    grid-template-columns:1fr;
    gap:24px;
    min-height:0
  }
  .hero-copy {
    padding:25px 0 0;
    align-items:center;
    text-align:center
  }
  h1 {
    font-size:clamp(49px,10.5vw,72px);
    line-height:1.14;
    letter-spacing:-.06em
  }
  .hero-tagline {
    font-size:25px;
    margin-top:17px
  }
  .hero-description {
    font-size:15px;
    line-height:1.85;
    margin-top:12px;
    max-width:440px;
    margin-inline:auto
  }
  .hero-actions {
    margin-top:24px;
    gap:6px;
    flex-direction:row;
    flex-wrap:wrap;
    align-items:center;
    column-gap:20px;
    justify-content:center
  }
  .button {
    padding:16px 21px;
    font-size:15px;
    min-height:54px;
    gap:26px
  }
  .text-link {
    font-size:14px
  }
  .availability {
    margin-top:6px;
    font-size:11px
  }
  .hero-visual {
    min-height:0;
    height:390px;
    border-radius:96px 20px 20px 20px
  }
  .hero-mate {
    width:285px;
    margin-bottom:0
  }
  .hero-scene {
    object-position:65% 80%
  }
  .scene-caption {
    font-size:12px;
    margin:0 16px 16px;
    padding:8px 13px
  }
  .promise-strip {
    padding-block:32px 40px;
    display:grid;
    grid-template-columns:1fr;
    justify-items:center;
    gap:16px;
    font-size:16px;
    line-height:1.8;
    letter-spacing:-.025em;
    text-align:center
  }
  .promise-strip p {
    width:100%;
    max-width:340px
  }
  .promise-strip p+p::before {
    content:"";
    display:block;
    width:24px;
    height:2px;
    margin:0 auto 16px;
    border-radius:2px;
    background:#e9c5ce
  }
  .promise-strip strong {
    white-space:normal;
    font-weight:700
  }
  .app-section {
    padding-block:57px 38px
  }
  h2 {
    font-size:34px;
    line-height:1.32;
    letter-spacing:-.055em
  }
  .intro {
    font-size:15px;
    line-height:1.85;
    margin-top:18px
  }
  .section-intro>.intro {
    margin-top:18px
  }
  .screens {
    grid-template-columns:1fr;
    margin-top:36px;
    gap:38px
  }
  .screens figure,.screens figure.run-screen {
    display:grid;
    grid-template-columns:minmax(0,.85fr) minmax(0,1fr);
    gap:22px;
    align-items:center;
    margin:0
  }
  .screens figure:nth-child(2) .phone {
    grid-column:2;
    grid-row:1
  }
  .screens figure:nth-child(2) figcaption {
    grid-column:1;
    grid-row:1
  }
  .phone {
    padding:5px;
    border-radius:26px;
    box-shadow:none;
    width:100%;
    max-width:220px
  }
  .phone img {
    border-radius:21px
  }
  .screens figcaption {
    padding:0
  }
  .screens h3 {
    font-size:22px;
    line-height:1.45
  }
  .screens figcaption p {
    font-size:14px;
    line-height:1.8;
    margin-top:12px
  }
  .sample-note {
    font-size:11px;
    margin-top:30px;
    text-align:left
  }
  .meet {
    grid-template-columns:1fr;
    gap:30px;
    padding-block:62px
  }
  .quiet-note {
    font-size:12px;
    margin-top:15px;
    max-width:none
  }
  .playground {
    padding:20px 16px 12px;
    max-width:460px;
    width:100%;
    margin-inline:auto;
    border-radius:120px 120px 22px 22px
  }
  .stage {
    width:235px
  }
  #mate-intro {
    min-height:75px;
    margin-top:10px
  }
  .picker {
    gap:5px
  }
  .picker button {
    font-size:13px;
    padding-inline:12px
  }
  .rhythm {
    grid-template-columns:1fr;
    padding-block:60px;
    gap:34px
  }
  .notes h3 {
    font-size:21px
  }
  .notes p {
    font-size:14px
  }
  .notes>div {
    padding-block:23px
  }
  .rhythm .text-link {
    margin-top:17px
  }
  .install-panel h3 {
    font-size:24px
  }
.questions {
    grid-template-columns:1fr;
    gap:22px;
    padding-block:0 62px
  }
  .questions .intro {
    margin-top:12px
  }
  .answers summary {
    font-size:16px;
    min-height:70px
  }
  .answers p {
    font-size:14px
  }
  .closing {
    align-items:start;
    flex-direction:column;
    gap:24px;
    padding-block:40px 45px
  }
  .closing p {
    font-size:27px
  }
  footer {
    gap:10px;
    padding-block:24px 30px
  }
  footer>div {
    width:100%;
    margin:0;
    gap:10px 22px
  }
  footer>div span {
    width:100%
  }
}
@media(max-width:370px) {
  :root {
    --space:20px
  }
  h1 {
    font-size:47px
  }
  h2 {
    font-size:31px
  }
  .hero-tagline {
    font-size:23px
  }
  .hero-visual {
    height:330px
  }
  .hero-mate {
    width:250px
  }
  .screens figure,.screens figure.run-screen {
    gap:17px
  }
  .screens h3 {
    font-size:20px
  }
  .screens figcaption p {
    font-size:13px
  }
  .picker {
    gap:5px
  }
  .picker button {
    font-size:12px;
    padding-inline:10px
  }
  .playground {
    padding-inline:10px
  }
.install-panel h3 {
    font-size:22px
  }
  .closing p {
    font-size:25px
  }
}
@media(prefers-reduced-motion:reduce) {
  html {
    scroll-behavior:auto
  }
  .sprite {
    animation:none!important
  }
}

/* The saved copy remains unchanged; the removed installation panel leaves one centered message. */
.start-copy { max-width: 620px; margin-inline: auto; }
.start-copy .intro { margin-inline: auto; }
p:empty { display: none; }
.closing p > br:last-child { display: none; }
@media (max-width: 760px) {
  .hero-visual { height: clamp(280px, 86vw, 360px); }
  .hero-mate { width: min(83%, 285px); }
  .picker { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 4px; }
  .picker button { min-width: 0; padding-inline: 2px; }
}

.start-section {
  display: block;
  padding-block: 80px;
  text-align: center;
}
@media (max-width: 760px) {
  .start-section { padding-block: 52px; }
}