:root {
  --ink: #403a35;
  --brown: #765238;
  --brown-dark: #543923;
  --paper: #f6f2e9;
  --card: #fffdf8;
  --coral: #ff6b4a;
  --coral-dark: #df4e32;
  --yellow: #f5c84c;
  --muted: #746c63;
  --line: #ded7cb;
  --shadow: 0 24px 70px rgba(68, 59, 46, 0.09);
  color: var(--ink);
  background: var(--paper);
  font-family:
    Inter, ui-rounded, "Hiragino Maru Gothic ProN", "Yu Gothic", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--paper);
}
body,
button,
a {
  color: inherit;
}
a {
  text-decoration: none;
}
img {
  display: block;
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1,
h2 {
  letter-spacing: -0.055em;
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  width: 100%;
  height: 76px;
  padding: 0 max(24px, calc((100vw - 1180px) / 2));
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(222, 215, 203, 0.75);
  background: rgba(246, 242, 233, 0.88);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  font-size: 1.2rem;
  font-weight: 950;
  letter-spacing: -0.04em;
}
.brand img {
  border-radius: 9px;
}
.site-nav {
  display: flex;
  gap: 24px;
  align-items: center;
  font-size: 0.82rem;
  font-weight: 850;
}
.site-nav > a:not(.nav-cta) {
  color: var(--muted);
}
.site-nav > a:not(.nav-cta):hover {
  color: var(--brown);
}
.nav-cta {
  padding: 11px 17px;
  border-radius: 999px;
  background: var(--brown);
  color: white;
}

.hero {
  display: grid;
  min-height: calc(100svh - 76px);
  padding: 72px max(24px, calc((100vw - 1180px) / 2)) 90px;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.98fr);
  gap: 60px;
  align-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 9% 5%, #fff4b9 0, transparent 25rem),
    radial-gradient(circle at 100% 85%, #ffd5cb 0, transparent 31rem),
    var(--paper);
}

.eyebrow {
  margin-bottom: 14px;
  color: var(--coral-dark);
  font-size: 0.7rem;
  font-weight: 950;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.hero h1 {
  margin-bottom: 26px;
  font-size: clamp(4rem, 6.8vw, 6.8rem);
  line-height: 1;
}
.hero h1 span,
.hero h1 em {
  display: block;
  white-space: nowrap;
}
.hero h1 em {
  margin-top: 0.08em;
  color: var(--coral);
  font-style: normal;
}
.hero-lead {
  margin-bottom: 32px;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  font-weight: 700;
  line-height: 1.8;
}
.hero-actions {
  display: grid;
  grid-template-columns: max-content max-content;
  gap: 12px;
  justify-content: start;
}
.hero-actions .button-interest {
  grid-column: 1 / -1;
  justify-self: center;
}
.button {
  display: inline-flex;
  min-height: 52px;
  padding: 0 24px;
  align-items: center;
  justify-content: center;
  border-radius: 15px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 950;
}
.button-primary {
  background: var(--brown);
  color: white;
  box-shadow: 0 14px 30px rgba(84, 57, 35, 0.16);
}
.button-primary:hover {
  background: var(--brown-dark);
  transform: translateY(-1px);
}
.button-secondary {
  border: 1px solid var(--line);
  background: rgba(255, 253, 248, 0.75);
}
.button-secondary:hover {
  background: white;
}
.button-interest {
  border: 1px solid var(--brown);
  background: transparent;
  color: var(--brown);
}
.button-interest:hover,
.button-interest:active,
.button-interest:focus,
.button-interest:focus-visible {
  background: transparent;
  color: var(--brown);
  -webkit-tap-highlight-color: transparent;
}
.button-platforms {
  display: inline-flex;
  gap: 5px;
  margin-right: 9px;
  align-items: center;
}
.button-platform {
  width: 16px;
  height: 16px;
  fill: currentColor;
}
.button-platform.android {
  transform: scale(1.02);
}
.platform-support {
  display: none;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.development-note {
  margin: 17px 0 0;
  color: var(--muted);
  font-size: 0.7rem;
}

.hero-object {
  position: relative;
  display: grid;
  min-height: 510px;
  place-items: center;
}
.pochi-device {
  position: relative;
  z-index: 2;
  display: grid;
  width: min(82vw, 360px);
  aspect-ratio: 1 / 0.78;
  padding: 28px 34px;
  place-items: center;
  border: 1px solid #67452f;
  border-radius: 30px;
  background: var(--brown);
  box-shadow:
    0 45px 80px rgba(67, 54, 40, 0.2),
    inset 0 -14px 30px rgba(48, 29, 17, 0.14);
  transform: rotate(-4deg);
}
.pochi-device::after {
  content: "";
  position: absolute;
  z-index: -1;
  width: 78%;
  height: 28px;
  bottom: -32px;
  border-radius: 50%;
  background: rgba(60, 43, 28, 0.14);
  filter: blur(13px);
}
.device-light {
  position: absolute;
  top: 28px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #4d9d69;
  box-shadow: 0 0 0 5px #dff2e5;
}
.device-buttons {
  display: flex;
  gap: 34px;
}
.device-buttons span {
  display: grid;
  width: 90px;
  height: 90px;
  place-items: center;
  border-radius: 50%;
  background: var(--coral);
  color: white;
  box-shadow:
    0 0 0 8px #f6f2e9,
    inset 0 -7px 0 rgba(118, 46, 30, 0.16),
    0 10px 25px rgba(255, 107, 74, 0.18);
  font-size: 1.2rem;
  font-weight: 950;
}
.device-buttons span + span {
  background: var(--yellow);
  color: var(--brown-dark);
  box-shadow:
    0 0 0 8px #f6f2e9,
    inset 0 -7px 0 rgba(128, 91, 12, 0.12),
    0 10px 25px rgba(245, 200, 76, 0.2);
}
.pochi-device strong {
  position: absolute;
  bottom: 27px;
  color: #f6f2e9;
  font-size: 0.65rem;
  letter-spacing: 0.22em;
}
.orbit {
  position: absolute;
  border: 2px solid rgba(255, 107, 74, 0.28);
  border-radius: 50%;
}
.orbit-one {
  width: 470px;
  height: 470px;
}
.orbit-two {
  width: 560px;
  height: 290px;
  transform: rotate(31deg);
}

.section {
  width: min(calc(100% - 48px), 1120px);
  margin: 0 auto;
  padding: 120px 0;
}
.intro {
  position: relative;
}
.split-heading {
  display: grid;
  grid-template-columns: 1fr 0.72fr;
  gap: 90px;
  align-items: end;
}
.split-heading h2,
.section-title h2,
.quiet-card h2,
.final-cta h2 {
  margin-bottom: 0;
  font-size: clamp(2.8rem, 5vw, 4.8rem);
  line-height: 1.02;
}
.split-heading h2 {
  font-size: clamp(2.8rem, 4vw, 4rem);
}
.split-heading h2 span {
  display: block;
  white-space: nowrap;
}
.split-heading p {
  margin: 0;
  color: var(--muted);
  font-weight: 650;
  line-height: 2;
}
.feature-grid {
  display: grid;
  margin: 62px 0 0;
  padding: 0;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  list-style: none;
}
.feature-grid li {
  min-height: 180px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 253, 248, 0.72);
}
.feature-grid strong {
  display: block;
  margin-bottom: 14px;
  color: var(--brown);
  font-size: 1.05rem;
}
.feature-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 650;
  line-height: 1.8;
}
.button-pair {
  display: flex;
  margin-top: 75px;
  gap: 18px;
}
.button-pair span {
  display: grid;
  width: min(20vw, 150px);
  aspect-ratio: 1;
  place-items: center;
  border-radius: 50%;
  background: var(--coral);
  color: white;
  font-size: 1.6rem;
  font-weight: 950;
}
.button-pair span + span {
  background: var(--yellow);
  color: var(--brown-dark);
}

.steps {
  width: 100%;
  padding-right: max(24px, calc((100vw - 1120px) / 2));
  padding-left: max(24px, calc((100vw - 1120px) / 2));
  background: var(--brown);
  color: white;
}
.steps .eyebrow {
  color: #ffc2b4;
}
.section-title {
  max-width: 760px;
  margin-bottom: 56px;
}
.section-title h2 span {
  display: block;
  white-space: nowrap;
}
.step-grid {
  display: grid;
  margin: 0;
  padding: 0;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  list-style: none;
}
.step-grid li {
  min-height: 260px;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.06);
}
.step-number {
  display: block;
  margin-bottom: 58px;
  color: #ffc2b4;
  font-size: 0.7rem;
  font-weight: 950;
  letter-spacing: 0.16em;
}
.step-grid h3 {
  margin-bottom: 12px;
  font-size: 1.3rem;
}
.step-grid p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.86rem;
  line-height: 1.8;
}

.quiet-section {
  padding-top: 90px;
  padding-bottom: 90px;
}
.quiet-card {
  padding: clamp(35px, 7vw, 82px);
  border-radius: 36px;
  background: var(--card);
  box-shadow: var(--shadow);
}
.quiet-card h2 {
  margin-bottom: 30px;
}
.quiet-card > p:last-child {
  max-width: 1000px;
  margin-bottom: 0;
  color: var(--muted);
  font-weight: 650;
  line-height: 2;
}

.final-cta {
  display: flex;
  gap: 40px;
  align-items: end;
  justify-content: space-between;
}
.final-cta h2 {
  margin-bottom: 18px;
}
.final-cta p:not(.eyebrow) {
  margin-bottom: 0;
  color: var(--muted);
}
.final-actions {
  display: grid;
  min-width: 230px;
  gap: 18px;
  text-align: center;
}
.text-link {
  color: var(--brown);
  font-size: 0.83rem;
  font-weight: 900;
}
.text-link span {
  display: inline-block;
  margin-left: 5px;
  font-size: 1.25rem;
  vertical-align: -1px;
}

.site-footer {
  display: grid;
  padding: 60px max(24px, calc((100vw - 1120px) / 2));
  grid-template-columns: 1fr auto;
  gap: 35px;
  align-items: end;
  border-top: 1px solid var(--line);
  background: #eee8df;
}
.footer-brand {
  margin-bottom: 12px;
}
.site-footer p,
.site-footer small {
  margin: 0;
  color: var(--muted);
  font-size: 0.72rem;
}
.footer-links {
  display: flex;
  gap: 22px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 750;
}
.footer-links .disabled {
  opacity: 0.62;
}
.site-footer small {
  grid-column: 1 / -1;
}
.interest-toast {
  position: fixed;
  z-index: 30;
  right: 24px;
  bottom: 24px;
  max-width: calc(100vw - 48px);
  padding: 14px 18px;
  border-radius: 14px;
  background: var(--brown);
  color: white;
  box-shadow: 0 16px 36px rgba(68, 59, 46, 0.2);
  font-size: 0.84rem;
  font-weight: 850;
}

/* Manual */
.manual-layout {
  display: grid;
  width: min(calc(100% - 48px), 1120px);
  margin: 0 auto;
  padding: 80px 0 130px;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 90px;
  align-items: start;
}
.manual-nav {
  position: sticky;
  top: 116px;
}
.manual-nav h1 {
  margin-bottom: 30px;
  font-size: 2.4rem;
}
.manual-nav nav {
  display: grid;
  gap: 5px;
}
.manual-nav nav a {
  padding: 9px 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}
.manual-nav nav a:hover {
  color: var(--brown);
}
.manual-content {
  min-width: 0;
}
.manual-hero {
  padding: 42px 55px 38px;
  border-radius: 32px;
  background: var(--brown);
  color: white;
}
.manual-hero .eyebrow {
  color: #ffc2b4;
}
.manual-hero h2 {
  margin-bottom: 22px;
  font-size: clamp(2.8rem, 5vw, 4.4rem);
  line-height: 0.96;
}
.manual-hero h2 span {
  display: block;
  white-space: nowrap;
}
.manual-hero p:not(.eyebrow) {
  max-width: 760px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.8;
}
.manual-hero .button-primary {
  background: var(--card);
  color: var(--brown);
}
.manual-section {
  display: grid;
  padding: 85px 4px 25px;
  grid-template-columns: 55px minmax(0, 1fr);
  gap: 24px;
  scroll-margin-top: 80px;
}
.manual-number {
  padding-top: 11px;
  color: var(--coral-dark);
  font-size: 0.68rem;
  font-weight: 950;
  letter-spacing: 0.15em;
}
.manual-section h2 {
  margin-bottom: 24px;
  font-size: clamp(2rem, 5vw, 3.4rem);
}
.manual-section h3 {
  margin: 30px 0 12px;
}
.manual-section p,
.manual-section li {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.9;
}
.manual-section ul,
.manual-section ol {
  padding-left: 1.4rem;
}
.platform-grid {
  display: grid;
  margin-top: 28px;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.info-card,
.note,
.warning {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--card);
}
.info-card strong {
  display: block;
  margin-bottom: 14px;
  color: var(--ink);
}
.info-card ol {
  margin-bottom: 0;
}
.note,
.warning {
  margin-top: 24px;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.8;
}
.note strong,
.warning strong {
  color: var(--ink);
}
.warning {
  border-color: #edc7a5;
  background: #fff4df;
}
.faq-list {
  display: grid;
  border-top: 1px solid var(--line);
}
.faq-list details {
  border-bottom: 1px solid var(--line);
}
.faq-list summary {
  padding: 20px 4px;
  cursor: pointer;
  font-weight: 900;
}
.faq-list details p {
  padding: 0 4px 20px;
}
.manual-provisional {
  margin-top: 28px;
  font-size: 0.72rem !important;
}

@media (max-width: 820px) {
  .hero {
    min-height: auto;
    padding-top: 70px;
    grid-template-columns: 1fr;
    gap: 25px;
  }
  .hero-object {
    min-height: 410px;
  }
  .split-heading {
    grid-template-columns: 1fr;
    gap: 26px;
  }
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .step-grid {
    grid-template-columns: 1fr;
  }
  .step-grid li {
    min-height: 220px;
  }
  .final-cta {
    align-items: start;
    flex-direction: column;
  }
  .final-actions {
    width: 100%;
  }
  .manual-layout {
    grid-template-columns: 1fr;
    gap: 45px;
  }
  .manual-nav {
    position: static;
  }
  .manual-nav nav {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .site-header {
    height: 68px;
    padding-right: 16px;
    padding-left: 16px;
  }
  .site-nav {
    gap: 10px;
  }
  .site-nav > a:not(.nav-cta) {
    display: none;
  }
  .nav-cta {
    padding: 10px 14px;
  }
  .hero {
    min-height: calc(100svh - 68px);
    padding: 55px 20px 65px;
  }
  .hero h1 {
    font-size: clamp(3.5rem, 16vw, 4.2rem);
  }
  .hero-actions {
    grid-template-columns: 1fr;
  }
  .hero-actions .button-interest {
    grid-column: auto;
    justify-self: stretch;
  }
  .hero-actions .button {
    width: 100%;
  }
  .hero-object {
    min-height: 340px;
  }
  .pochi-device {
    width: min(88vw, 320px);
  }
  .device-buttons {
    gap: 24px;
  }
  .device-buttons span {
    width: 76px;
    height: 76px;
  }
  .orbit-one {
    width: 360px;
    height: 360px;
  }
  .orbit-two {
    width: 390px;
    height: 220px;
  }
  .section {
    width: min(calc(100% - 40px), 1120px);
    padding: 85px 0;
  }
  .split-heading h2 {
    font-size: 2.25rem;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .section-title h2 {
    font-size: 2.6rem;
  }
  .steps {
    width: 100%;
    padding-right: 20px;
    padding-left: 20px;
  }
  .quiet-section {
    padding: 70px 0;
  }
  .quiet-card {
    border-radius: 28px;
  }
  .quiet-card h2 {
    font-size: 2.05rem;
  }
  .site-footer {
    padding: 45px 20px;
    grid-template-columns: 1fr;
    align-items: start;
  }
  .footer-links {
    align-items: start;
    flex-direction: column;
    gap: 12px;
  }
  .site-footer small {
    grid-column: auto;
  }
  .manual-layout {
    width: min(calc(100% - 36px), 1120px);
    padding-top: 48px;
  }
  .manual-nav nav {
    grid-template-columns: 1fr 1fr;
  }
  .manual-hero {
    padding: 32px 26px 28px;
    border-radius: 27px;
  }
  .manual-hero h2 {
    font-size: 1.72rem;
  }
  .manual-section {
    padding-top: 70px;
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .manual-number {
    padding-top: 0;
  }
  .platform-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}
