/* Selected compositions from Quantum Lucid, Task Engine and NexaCore Control.
   Existing brand, real screenshots and working controls remain the source. */
:root { --composition-ease: cubic-bezier(.22,1,.36,1); }

.header .nav {
  background: #1b202b;
  color: #fff;
  border-color: #ffffff18;
  box-shadow: 0 8px 28px #27385218;
  backdrop-filter: none;
}
.header .nav-links { color: #d9deea; }
.header .nav-links a:hover { color: #fff; }
.header .nav-download { background: #fff; color: #202735; }
.header .brand { color: #fff; }

/* Quantum: a clear headline, then a generous product stage. No fixed canvas. */
.hero { padding-top: 163px; }
.hero-copy { animation: none; padding: 0 24px; }
html:not([lang=ko]) .hero-copy { padding-top: 0; }
.hero-copy .eyebrow { font-size: 12px; letter-spacing: .015em; }
.hero-copy h1 { font-size: clamp(48px,6.4vw,92px); line-height: 1.08; margin: 25px 0; text-wrap: balance; }
html[lang=en] .hero-copy h1 { font-size: clamp(48px,6.2vw,90px); }
html[lang=ja] .hero-copy h1 { font-size: clamp(40px,5.4vw,78px); line-height: 1.25; }
.hero-copy h1 span { color: var(--blue); }
.hero-description { max-width: 650px; padding: 0; font-size: 17px; line-height: 1.75; }
.hero-actions { margin-top: 26px; gap: 24px; }
.hero-copy .platform { margin-top: 18px; }
.product-stage {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  grid-template-areas: 'voice device' 'rule device' 'caption caption';
  grid-template-rows: 1fr auto auto;
  column-gap: 50px;
  row-gap: 28px;
  width: calc(100% - 64px);
  max-width: 1200px;
  min-height: 640px;
  height: auto;
  margin: 42px auto 0;
  padding: 48px 64px 24px;
  border-radius: 32px;
  overflow: hidden;
  background: radial-gradient(ellipse at 85% 15%,#c3e5f4 0%,transparent 55%), #e2f1f7;
}
.product-stage .stage-grid {
  inset: 0;
  transform: none;
  opacity: .32;
  background: repeating-linear-gradient(90deg,transparent 0 79px,#fff8 79px 80px);
  mask-image: linear-gradient(90deg,transparent,#000);
  pointer-events: none;
  z-index: -1;
}
.product-stage .stage-word { display: none; }
.product-stage .hero-device {
  grid-area: device;
  position: relative;
  inset: auto;
  width: 280px;
  max-width: 100%;
  justify-self: center;
  align-self: center;
  transform: none;
  rotate: none;
  animation: none;
  will-change: auto;
}
/* A flat product capture, not a simulated metal device or a replacement mockup. */
.hero-device .device {
  padding: 0;
  background: #f6f7fb;
  border: 0;
  border-radius: 16px;
  box-shadow: 0 24px 55px -15px #33587938;
  overflow: hidden;
}
.hero-device .device::before, .hero-device .device::after,
.hero-device .device-camera { display: none; }
.hero-device .device img { border: 0; padding: 0; border-radius: 0; width: 100%; height: auto; }
.hero-device .localized-main-crop { border-radius: 0; }
/* Journal release: actual captures stay intact, without a fabricated device. */
.journal-section { display: grid; grid-template-columns: 1.08fr 1fr; gap: clamp(32px,5vw,84px); padding-block: 100px; align-items: start; scroll-margin-top: 100px; }
.journal-copy h2 { font-size: clamp(30px,3.4vw,48px); line-height: 1.25; letter-spacing: -.045em; text-wrap: balance; }
.journal-copy h2 span { color: var(--muted); }
.journal-copy .eyebrow { margin-bottom: 22px; }
.journal-copy .section-description { font-size: 17px; line-height: 1.8; margin-top: 25px; }
.journal-flow { list-style: none; padding: 0; margin: 30px 0; }
.journal-flow li { display: flex; gap: 18px; padding-block: 20px; border-bottom: 1px solid #dce0e9; }
.journal-flow li>span { padding-top: 5px; font-size: 12px; color: var(--blue); font-variant-numeric: tabular-nums; }
.journal-flow h3 { font-size: 20px; line-height: 1.45; letter-spacing: -.03em; }
.journal-flow p { margin-top: 8px; color: var(--muted); font-size: 15px; line-height: 1.75; }
.journal-bridge { color: var(--muted); font-size: 15px; line-height: 1.8; margin-block: 24px; max-width: 34em; }
.journal-copy>.button { min-height: 48px; font-size: 14px; white-space: normal; line-height: 1.5; text-align: center; }
.journal-captures { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; padding-top: 54px; }
.journal-capture { margin: 0; min-width: 0; }
.journal-capture img { display: block; width: 100%; height: auto; border: 1px solid #d9dce6; border-radius: 16px; background: #f6f7fb; }
.journal-capture figcaption { color: var(--muted); font-size: 12px; line-height: 1.6; margin-top: 14px; text-wrap: pretty; }
.journal-screen-note { grid-column: 1/-1; font-size: 12px; line-height: 1.7; color: var(--muted); }
.journal-summary { margin-top: 56px; padding: 42px; border-radius: 24px; background: #e9edf5; }
.journal-summary-mark { color: var(--blue); font-size: 56px; }
.journal-summary p { font-size: clamp(24px,2.5vw,36px); line-height: 1.45; letter-spacing: -.04em; margin-block: 20px; text-wrap: balance; }
.journal-summary small { font-size: 15px; color: var(--muted); line-height: 1.7; }
.journal-overview { background: #f6f7fb; border-radius: 18px; padding: 38px 26px; }
.journal-overview>span { color: var(--blue); font-size: 11px; letter-spacing: .06em; }
.journal-overview p { font-size: 30px; font-weight: 650; line-height: 1.35; margin-block: 28px; letter-spacing: -.04em; }
.journal-overview small { color: var(--muted); font-size: 15px; line-height: 1.8; }
@media(max-width:540px) {
  .journal-captures { grid-template-columns: minmax(0,1fr); width: 100%; max-width: 320px; margin-inline: auto; row-gap: 24px; }
  .journal-capture figcaption { font-size: 14px; text-align: center; }
  .journal-screen-note { text-align: center; }
}
@media(max-width:1000px) { .journal-section { grid-template-columns: 1fr; gap: 22px; } .journal-captures { max-width: 620px; padding-top: 8px; } .journal-summary { margin-top: 0; } }
@media(max-width:760px) { .journal-section { padding-block: 44px; } .journal-copy .section-description { font-size: 16px; } .journal-captures { gap: 14px; } .journal-capture img { border-radius: 12px; } .journal-copy h2 { font-size: 30px; } .journal-copy .section-description br { display: none; } .journal-summary { padding: 28px; } .journal-summary p { font-size: 28px; } }
.product-stage .principle-float {
  position: relative;
  inset: auto;
  width: 100%;
  max-width: 400px;
  transform: none;
  rotate: none;
  translate: none;
  animation: none;
  justify-self: center;
}
.product-stage .hero-voice-card {
  grid-area: voice;
  align-self: end;
  padding: 32px;
  border: 1px solid #fff;
  border-radius: 22px;
  background: #ffffffed;
  box-shadow: 0 20px 50px -18px #31567828;
}
.hero-voice-card .float-label { font-size: 11px; color: #577089; }
.hero-voice-card .hero-principle-text { margin: 27px 0 24px; font-size: clamp(25px,2.5vw,35px); line-height: 1.3; letter-spacing: -.04em; }
.hero-voice-card .float-play { font-size: 13px; padding: 14px 18px; border-radius: 12px; }
.hero-voice-card .hero-voice-status { margin-top: 16px; line-height: 1.6; }
.hero-voice-card:has([aria-pressed=true]) { border-color: #9cadf2; }
.product-stage .float-left {
  grid-area: rule;
  padding: 0 8px 8px;
  background: transparent;
  border: 0;
  box-shadow: none;
  backdrop-filter: none;
}
.float-left .float-label { color: #577089; }
.float-left p { font-size: 19px; line-height: 1.6; margin: 16px 0; }
.float-left .float-footer { color: #577089; font-size: 11px; }
.product-stage .stage-caption {
  position: static;
  grid-area: caption;
  border-top: 1px solid #40618420;
  padding-top: 18px;
  color: #557087;
  font-size: 11px;
}

/* Task Engine: one dominant, functional player with two quieter tool cards. */
.experience-grid {
  display: grid;
  grid-template-columns: minmax(0,1.45fr) minmax(0,1fr);
  gap: 20px;
  align-items: stretch;
  margin-bottom: 20px;
}
.experience-grid .listen-section {
  min-width: 0;
  border-radius: 28px;
  background: #294acf;
  overflow: hidden;
}
.experience-grid .listen-wrap { width: 100%; max-width: none; padding: 42px 36px 30px; }
.experience-grid .listen-heading { display: block; }
.experience-grid .listen-heading .eyebrow { margin-bottom: 22px; font-size: 11px; color: #c6d5ff; }
.experience-grid .listen-heading h2 { font-size: clamp(31px,3vw,43px); line-height: 1.17; letter-spacing: -.04em; }
.experience-grid .listen-heading>p:last-child { margin-top: 20px; font-size: 15px; line-height: 1.75; color: #dae3ff; text-align: left; justify-self: start; width: 100%; }
.experience-grid .audio-theatre { height: auto; min-height: 380px; padding-block: 24px; margin-top: 24px; }
.experience-grid .audio-content { width: 100%; max-width: 470px; padding-inline: 10px; }
.experience-grid .audio-kicker { font-size: 9px; color: #d7e2ff; }
.experience-grid #spoken-text { font-size: clamp(27px,2.7vw,39px); line-height: 1.3; min-height: 110px; margin-top: 26px; letter-spacing: -.035em; }
.experience-grid .sound-rings { width: 540px; height: 540px; opacity: .5; }
.experience-grid .waveform { max-width: 340px; margin-inline: auto; }
.experience-grid #speak { width: 62px; height: 62px; }
.experience-grid #audio-status { color: #dde5ff; font-size: 11px; }
.experience-grid .sample-options { display: grid; grid-template-columns: 1fr; gap: 0; padding-top: 0; }
.experience-grid .sample-options button {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 5px;
  border: 0;
  border-bottom: 1px solid #ffffff24;
  border-radius: 0;
  text-align: left;
  font-size: 13px;
  color: #d9e3ff;
}
.experience-grid .sample-options button span { margin: 0; font-size: 10px; }
.experience-grid .sample-options button.selected { color: #fff; background: #ffffff0b; }
.experience-grid .sample-options button:hover { background: #ffffff13; }
.experience-grid .demo-note { font-size: 10px; line-height: 1.6; color: #d7e2ff; margin-top: 22px; }
.experience-grid .feature-grid { display: grid; grid-template-columns: 1fr; grid-template-rows: auto 1fr; width: 100%; gap: 20px; margin: 0; padding-top: 0; }
.experience-grid .feature { min-width: 0; height: auto; border-radius: 28px; border: 1px solid #fff; }
html:not([lang=ko]) .experience-grid .feature { height: auto; }
.experience-grid .feature-copy { padding: 30px; }
.experience-grid .feature-copy .eyebrow { font-size: 10px; margin-bottom: 18px; }
.experience-grid h3 { font-size: clamp(26px,2.5vw,35px); line-height: 1.2; letter-spacing: -.035em; }
.experience-grid .feature-copy>p:last-child { font-size: 14px; line-height: 1.7; margin-top: 16px; }
.experience-grid .feature-write { display: flex; flex-direction: column; align-self: start; min-height: 0; background: #e9edf6; }
html:not([lang=ko]) .experience-grid .feature-write { min-height: 0; }
.experience-grid .feature-write .feature-copy { padding-right: 30px; }
html[lang=ja] .experience-grid #spoken-text { font-size: clamp(28px,2.4vw,34px); line-height: 1.4; }
html[lang=ja] .experience-grid #spoken-text br { display: none; }
.experience-grid .feature-select { padding-bottom: 24px; background: #eff0fb; }
.experience-grid .selection-demo { padding: 0 30px; }
.experience-grid .select-row { font-size: 12px; line-height: 1.65; gap: 13px; }
.experience-grid .selection-action { margin-top: 15px; font-size: 12px; }
.experience-grid .selection-demo small { font-size: 10px; margin-top: 14px; }

/* NexaCore: breathing is the real central interaction, surrounded by context. */
.rest-section { display: block; padding-block: 105px 100px; }
.rest-intro { text-align: center; }
.rest-intro>.eyebrow { color: var(--blue); margin-bottom: 23px; font-size: 11px; }
.rest-intro h2 { font-size: clamp(36px,3.8vw,53px); line-height: 1.2; }
.rest-intro h2 span { color: #7786a5; }
.rest-body {
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(0,1.15fr) minmax(0,1fr);
  gap: 32px;
  align-items: center;
  margin-top: 50px;
}
.rest-body .rest-copy { padding: 30px 24px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.rest-body .section-description { font-size: 16px; line-height: 1.85; margin-top: 0; }
.rest-body .rest-detail { font-size: 13px; margin-top: 24px; line-height: 1.85; }
.rest-body .breath-demo { display: flex; flex-direction: column; justify-content: center; gap: 32px; margin: 0; min-height: 400px; text-align: center; }
.rest-body #breath-toggle {
  position: relative;
  width: 220px;
  height: 220px;
  background: #e4eafb;
  box-shadow: 0 0 0 25px #e9eefb80, 0 0 0 52px #edf1fa70;
}
.rest-body .breath-orb { width: 154px; height: 154px; background: #f9fcff; border-color: #b7c8f4; box-shadow: 0 14px 35px #7592d52b; }
.rest-body .breath-demo strong { font-size: 16px; }
.rest-body .breath-demo p { font-size: 12px; }
.rest-body .rest-halo { display: none; }
.rest-body .screenshot-phone { width: 224px; padding: 0; background: #f6f7fb; border-radius: 18px; box-shadow: 0 18px 40px -20px #536a912f; }
.rest-body .system-crop { border-radius: 18px; }
.rest-body .rest-caption { font-size: 11px; margin-top: 22px; }
.rest-music-credit { font-size: 11px; line-height: 1.7; color: #626e85; max-width: 280px; }
.rest-music-credit a { text-decoration: underline; text-underline-offset: 3px; }

/* One-shot motion does not replace positioning or drive scrolling. */
@media (prefers-reduced-motion:no-preference) {
  .hero-copy>.eyebrow { animation: composition-arrive .6s .05s var(--composition-ease) backwards; }
  .hero-copy h1 { animation: composition-arrive .8s .12s var(--composition-ease) backwards; }
  .hero-description { animation: composition-arrive .65s .24s var(--composition-ease) backwards; }
  .hero-actions,.hero-copy .platform { animation: composition-arrive .65s .34s var(--composition-ease) backwards; }
  .product-stage { animation: composition-arrive .85s .42s var(--composition-ease) backwards; }
  .js .reveal { transform: none; translate: 0 16px; transition: opacity .55s var(--composition-ease),translate .65s var(--composition-ease); }
  .js .reveal.visible { translate: 0 0; }
  @keyframes composition-arrive { from { opacity: 0; translate: 0 18px; } to { opacity: 1; translate: 0 0; } }
}
.motion-off .reveal { translate: none !important; }
@media (prefers-reduced-motion:reduce) { .js .reveal { opacity: 1; translate: none; transform: none; } }

@media (max-width:1100px) {
  .product-stage { padding: 40px 38px 22px; column-gap: 28px; }
  .hero-voice-card .hero-principle-text { font-size: 28px; }
  .experience-grid { grid-template-columns: 1fr; }
  .experience-grid .listen-wrap { padding: 38px; }
  .experience-grid .listen-heading h2 { font-size: 39px; }
  .experience-grid .feature-grid { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr; }
  .experience-grid .feature-write .feature-copy { padding-right: 30px; }
  .rest-body { gap: 20px; grid-template-columns: 1fr 1fr; }
  .rest-body .rest-copy { grid-column: 1 / -1; max-width: 660px; justify-self: center; padding: 24px 0; }
  .rest-body .rest-copy br { display: none; }
}
@media (max-width:760px) {
  .hero { padding-top: 133px; }
  html:not([lang=ko]) .hero { padding-top: 133px; }
  .hero-copy { padding-inline: 22px; }
  .hero-copy .eyebrow { font-size: 10px; line-height: 1.7; }
  .hero-copy h1,html[lang=en] .hero-copy h1 { font-size: clamp(42px,10.4vw,70px); line-height: 1.12; margin: 22px 0; }
  html[lang=ja] .hero-copy h1 { font-size: clamp(30px,8vw,55px); line-height: 1.3; }
  .hero-description { font-size: 14px; }
  .hero-actions { gap: 18px; margin-top: 23px; flex-direction: column; }
  .hero-actions .primary { max-width: 100%; padding: 16px 18px; gap: 15px; font-size: 12px; }
  .hero-demo-link { font-size: 12px; }
  .product-stage {
    width: calc(100% - 28px);
    margin-top: 30px;
    grid-template-columns: minmax(0,1fr);
    grid-template-areas: 'voice' 'device' 'caption';
    grid-template-rows: auto auto auto;
    gap: 28px;
    min-height: 0;
    padding: 24px 22px 20px;
    border-radius: 24px;
  }
  .product-stage .hero-voice-card { padding: 23px; max-width: 400px; border-radius: 18px; }
  .hero-voice-card .hero-principle-text { font-size: 26px; margin: 21px 0; }
  .hero-voice-card .float-label { font-size: 10px; }
  .hero-voice-card .float-play { font-size: 12px; padding: 12px 15px; }
  .hero-voice-card .hero-voice-status { font-size: 10px; }
  .product-stage .hero-device { width: 245px; }
  .product-stage .float-left { display: none; }
  .product-stage .stage-caption { font-size: 9px; }
  .product-stage .stage-caption>span:last-child { display: none; }
  .manifesto { padding-block: 70px 32px; }
  .experience-grid { gap: 16px; }
  .experience-grid .listen-section,.experience-grid .feature { border-radius: 22px; }
  .experience-grid .listen-wrap { padding: 29px 22px 24px; }
  .experience-grid .listen-heading h2 { font-size: 31px; }
  .experience-grid .listen-heading>p:last-child { font-size: 14px; }
  .experience-grid .audio-theatre { height: auto; min-height: 355px; margin-top: 15px; }
  .experience-grid #spoken-text { font-size: 28px; min-height: 115px; }
  .experience-grid .audio-content { padding-inline: 0; }
  .experience-grid .waveform { max-width: 260px; }
  .experience-grid .sample-options button { font-size: 12px; line-height: 1.6; }
  .experience-grid .feature-grid { grid-template-columns: 1fr; grid-template-rows: auto auto; gap: 16px; }
  .experience-grid .feature-copy { padding: 28px; }
  .experience-grid h3 { font-size: 30px; }
  .experience-grid .selection-demo { padding-inline: 28px; }
  .rest-section { padding-block: 75px 65px; }
  .rest-intro h2 { font-size: 34px; }
  .rest-body { grid-template-columns: minmax(0,1fr); gap: 30px; margin-top: 30px; }
  .rest-body .rest-copy { grid-column: auto; grid-row: 2; padding: 25px 8px; }
  .rest-body .section-description { font-size: 15px; }
  .rest-body .breath-demo { grid-row: 1; min-height: 360px; padding-top: 35px; }
  .rest-body #breath-toggle { width: 200px; height: 200px; box-shadow: 0 0 0 22px #e9eefb80,0 0 0 44px #edf1fa70; }
  .rest-body .breath-orb { width: 140px; height: 140px; }
  .rest-body .rest-visual { padding-top: 0; }
  .rest-body .screenshot-phone { width: 224px; }
}

/* Mobile has its own reading rhythm: one real interaction per visual block.
   Desktop captures remain available above this breakpoint. */
@media (max-width:760px) {
  .header { position: absolute; top: 12px; }
  .header .nav { width: calc(100% - 32px); height: 56px; border-radius: 18px; padding-inline: 14px 6px; box-shadow: none; }
  .header .brand { font-size: 15px; }
  .header .nav-download { min-height: 44px; padding: 10px 13px; font-size: 14px; gap: 8px; border-radius: 13px; }
  body>.language-nav { top: 72px; right: 18px; gap: 4px; }
  body>.language-nav a { min-height: 44px; min-width: 44px; display: inline-flex; align-items: center; justify-content: center; padding: 8px; font-size: 14px; }
  .hero,html:not([lang=ko]) .hero { padding-top: 130px; padding-bottom: 0; }
  .hero-copy { padding-inline: 24px; text-align: left; }
  .hero-copy .eyebrow { justify-content: flex-start; max-width: none; font-size: 12px; line-height: 1.6; color: #596478; text-wrap: balance; }
  .hero-copy h1,html[lang=en] .hero-copy h1 { font-size: clamp(36px,9.8vw,64px); line-height: 1.13; margin-block: 18px; text-wrap: pretty; }
  html[lang=ja] .hero-copy h1 { font-size: clamp(30px,8.1vw,52px); line-height: 1.28; }
  .hero-description { font-size: 16px; line-height: 1.65; margin: 0; max-width: 38ch; }
  .hero-actions { align-items: stretch; gap: 4px; margin-top: 22px; }
  .hero-actions .primary { min-height: 52px; font-size: 14px; padding: 14px 16px; border-radius: 14px; gap: 12px; }
  .hero-demo-link { align-self: flex-start; min-height: 44px; font-size: 14px; border: 0; padding-block: 10px; }
  .hero-copy .platform { margin-top: 4px; font-size: 12px; line-height: 1.6; }
  .product-stage { display: none; }
  .product-stage .stage-grid,.product-stage .hero-device,.product-stage .stage-caption { display: none; }
  .product-stage .hero-voice-card { max-width: none; padding: 20px; border: 1px solid #dae2f2; border-radius: 18px; background: #e8edf8; box-shadow: none; }
  .hero-voice-card .float-label { font-size: 12px; }
  .hero-voice-card .hero-principle-text { font-size: 23px; margin-block: 14px; line-height: 1.35; }
  .hero-voice-card .float-play { min-height: 44px; font-size: 14px; padding: 8px 0; }
  .hero-voice-card .hero-voice-status { font-size: 12px; line-height: 1.5; margin-top: 6px; }
  .manifesto { padding-block: 52px 28px; }
  .manifesto .eyebrow { font-size: 12px; margin-bottom: 16px; }
  .manifesto h2 { font-size: 29px; line-height: 1.28; }
  .manifesto-bottom { margin-top: 16px; }
  .manifesto-bottom p { font-size: 16px; line-height: 1.7; }
  .manifesto-bottom br { display: initial; }
  .experience-grid { gap: 14px; margin-bottom: 0; }
  .experience-grid .listen-wrap { padding: 24px 20px; }
  .experience-grid .listen-heading .eyebrow { font-size: 12px; margin-bottom: 14px; }
  .experience-grid .listen-heading h2 { font-size: 29px; }
  .experience-grid .listen-heading>p:last-child { font-size: 16px; margin-top: 14px; line-height: 1.6; }
  .experience-grid .audio-theatre { min-height: 0; padding-block: 20px 18px; margin-top: 20px; border-block: 1px solid #ffffff30; }
  .experience-grid .sound-rings { display: none; }
  .experience-grid .audio-content { display: grid; grid-template-columns: minmax(0,1fr) 52px; column-gap: 16px; text-align: left; max-width: none; }
  .experience-grid .audio-kicker { grid-column: 1; justify-content: space-between; gap: 10px; font-size: 10px; letter-spacing: .08em; }
  .experience-grid #spoken-text,html[lang=ja] .experience-grid #spoken-text { grid-column: 1; min-height: 0; font-size: 23px; line-height: 1.4; margin: 12px 0 0; text-wrap: pretty; }
  .experience-grid #spoken-text br,html[lang=ja] .experience-grid #spoken-text br { display: initial; }
  .experience-grid #speak { grid-column: 2; grid-row: 1 / 3; align-self: center; width: 52px; height: 52px; font-size: 14px; box-shadow: none; }
  .experience-grid .waveform { display: none; }
  .experience-grid #audio-status { grid-column: 1 / -1; margin-top: 16px; font-size: 12px; line-height: 1.6; }
  .experience-grid .sample-options { border-top: 0; margin-top: 8px; }
  .experience-grid .sample-options button { min-height: 48px; padding: 12px 4px; font-size: 14px; }
  .experience-grid .sample-options button span { font-size: 12px; }
  .experience-grid .demo-note { font-size: 12px; margin-top: 16px; text-align: left; }
  .experience-grid .feature-grid { gap: 14px; }
  .experience-grid .feature-copy, .experience-grid .feature-write .feature-copy { padding: 24px; }
  .experience-grid .feature-copy .eyebrow { font-size: 12px; margin-bottom: 12px; }
  .experience-grid h3 { font-size: 27px; }
  .experience-grid .feature-copy>p:last-child { font-size: 16px; margin-top: 12px; line-height: 1.6; }
  .experience-grid .selection-demo { padding-inline: 20px; }
  .experience-grid .select-row { font-size: 14px; line-height: 1.6; min-height: 52px; padding: 14px 12px; }
  .experience-grid .selection-action { min-height: 48px; font-size: 14px; align-items: center; padding: 12px 4px; }
  .experience-grid .selection-demo small { font-size: 12px; margin-top: 8px; }
  .rest-section { padding-block: 52px; }
  .rest-intro { text-align: left; }
  .rest-intro>.eyebrow { font-size: 12px; margin-bottom: 16px; }
  .rest-intro h2 { font-size: 30px; }
  .rest-body { margin-top: 22px; gap: 22px; }
  .rest-body .rest-copy { grid-row: 1; padding: 0; border: 0; }
  .rest-body .rest-copy br { display: initial; }
  .rest-body .section-description { font-size: 16px; line-height: 1.7; }
  .rest-body .rest-detail { font-size: 14px; margin-top: 12px; line-height: 1.7; }
  .rest-body .breath-demo { grid-row: 2; min-height: 230px; padding: 22px 16px; gap: 24px; border-radius: 22px; background: #e9eef8; }
  .rest-body #breath-toggle { width: 120px; height: 120px; box-shadow: 0 0 0 12px #dae3f980; }
  .rest-body .breath-orb { width: 84px; height: 84px; }
  .rest-body .breath-demo strong { font-size: 16px; }
  .rest-body .breath-demo p { font-size: 14px; }
  .rest-body .rest-visual { display: none; }
  .community-section { padding-block: 44px; }
  .community-layout { gap: 24px; }
  .community-copy>.eyebrow { font-size: 12px; margin-bottom: 16px; }
  .community-copy h2 { font-size: 30px; }
  .community-copy .section-description { font-size: 16px; line-height: 1.7; margin-top: 18px; }
  .community-flow { margin-block: 24px; }
  .community-flow li { gap: 14px; margin-block: 18px; }
  .community-flow h3 { font-size: 20px; }
  .community-flow p { font-size: 15px; }
  .community-cta { min-height: 44px; font-size: 14px; }
  .community-visual { display: none; }
  .community-visual .screenshot-phone { width: 100%; padding: 0; transform: none; border-radius: 0; box-shadow: none; }
  .community-visual .system-crop { height: 265px; aspect-ratio: auto; border-radius: 0; }
  .community-visual .system-crop img { top: -38px; }
  .community-backword,.community-visual .import-note { display: none; }
  .routine { padding-block: 40px; }
  .routine-title .eyebrow { font-size: 12px; margin-bottom: 16px; }
  .routine-title h2 { font-size: 30px; }
  .routine-layout { display: block; margin-top: 24px; }
  .routine-visual { display: none; }
  .routine-list article { padding-block: 16px; gap: 14px; }
  .routine-list article>span { display: none; }
  .routine-list h3 { font-size: 22px; }
  html[lang=ja] .routine-list h3 { font-size: 20px; }
  .routine-list p { font-size: 16px; line-height: 1.65; margin-top: 10px; }
  .routine-list br { display: initial; }
  .finder-entry { padding: 24px; gap: 20px; margin-bottom: 44px; }
  .finder-entry h2 { font-size: 29px; }
  .finder-entry p:not(.eyebrow) { font-size: 16px; line-height: 1.7; }
  .finder-entry .button { min-height: 48px; font-size: 14px; }
  .guide-hub { padding-block: 0 44px; }
  .guide-hub>.eyebrow { font-size: 12px; margin-bottom: 16px; }
  .guide-hub h2 { font-size: 30px; }
  .guide-hub .guide-list { margin-top: 24px; }
  .guide-hub .guide-list>a { gap: 10px; padding-block: 20px; }
  .guide-hub .guide-list h3 { font-size: 20px; line-height: 1.4; }
  .guide-hub .guide-list p { font-size: 15px; line-height: 1.65; margin-top: 8px; }
  .guide-hub .back-link { display: inline-flex; align-items: center; min-height: 44px; font-size: 14px; }
  .privacy { padding: 24px; gap: 16px; grid-template-columns: 1fr; }
  .privacy-symbol { display: none; }
  .privacy h2 { font-size: 28px; }
  .privacy p:not(.eyebrow) { font-size: 16px; line-height: 1.7; }
  .privacy>a { font-size: 14px; min-height: 44px; align-items: center; }
  .faq { padding-block: 48px; gap: 20px; }
  .faq h2 { font-size: 30px; }
  .faq summary { font-size: 16px; padding-block: 18px; gap: 16px; }
  .faq details p { font-size: 16px; line-height: 1.7; padding-right: 0; }
  .closing { padding: 44px 24px; }
  .closing h2 { font-size: 36px; letter-spacing: -.04em; margin-block: 20px 24px; }
  .closing .eyebrow,.closing .platform { font-size: 12px; }
  .closing .primary { min-height: 52px; font-size: 14px; }
  footer>div { flex-wrap: wrap; gap: 4px 18px; }
  footer>div a,footer>div button,footer>a:last-child { display: inline-flex; align-items: center; min-height: 44px; font-size: 14px; }
}
/* Leave breathing room between the English brand and CTA on small phones. */
@media(max-width:360px) {
  .header .nav { column-gap: 8px; }
  .header .brand { font-size: 13px; gap: 7px; white-space: nowrap; }
  .header .brand img { width: 22px; height: 22px; flex-shrink: 0; }
  .header .nav-download { font-size: 13px; padding-inline: 10px; flex-shrink: 0; }
}