:root {
  --bg: #ffffff;
  --surface: #f4f8f5;
  --surface-warm: #faf6ea;
  --navy: #0d1f1b;
  --navy-strong: #071411;
  --blue: #1d6a5a;
  --blue-soft: #e3f0eb;
  --gold: #7f641f;
  --text: #10201c;
  --muted: #53665f;
  --border: #d6e4dc;
  --focus: #b58a2f;
  --header-height: 68px;
  --radius: 8px;
  --shadow: 0 14px 34px rgba(13, 31, 27, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 16px);
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", sans-serif;
  line-height: 1.75;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
  touch-action: none;
}

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

a:hover {
  color: var(--blue);
}

button,
a,
summary {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

@media (forced-colors: active) {
  :focus-visible {
    outline: 3px solid Highlight;
  }

  .store-link,
  .google-play-badge-link,
  .brand-mark,
  .flow-step span {
    border: 1px solid ButtonText;
  }
}

.skip-link {
  position: fixed;
  top: max(10px, env(safe-area-inset-top));
  left: max(12px, env(safe-area-inset-left));
  z-index: 1000;
  transform: translateY(-160%);
  padding: 10px 14px;
  border-radius: var(--radius);
  color: #ffffff;
  background: var(--navy);
  transition: transform 180ms ease;
}

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

.container {
  width: min(1120px, calc(100% - 32px));
  margin-inline: auto;
}

.narrow {
  max-width: 860px;
}

.section-pad {
  padding: clamp(52px, 8vw, 92px) 0;
}

.surface {
  background: var(--surface);
}

.screen-intro .container {
  width: min(1280px, calc(100% - 32px));
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding-top: env(safe-area-inset-top);
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
}

.header-inner {
  width: min(1180px, calc(100% - 28px));
  min-height: var(--header-height);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  color: var(--navy);
  font-weight: 800;
}

.brand-mark {
  display: block;
  width: 38px;
  height: 38px;
  padding: 2px;
  border: 1px solid rgba(13, 31, 27, 0.1);
  border-radius: 8px;
  background: #ffffff;
  object-fit: cover;
}

.brand-text {
  font-size: 1.12rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: #263f38;
  font-size: 0.92rem;
  font-weight: 700;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #ffffff;
  cursor: pointer;
}

.menu-toggle-line {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px auto;
  background: var(--navy);
  transition: transform 180ms ease, opacity 180ms ease;
}

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

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

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

.hero {
  min-height: min(820px, calc(100svh - var(--header-height)));
  display: grid;
  align-items: center;
  background: linear-gradient(180deg, #f1f7f3 0%, #ffffff 72%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(260px, 0.75fr);
  align-items: center;
  gap: clamp(28px, 6vw, 76px);
}

.release-label,
.eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--navy);
  line-height: 1.35;
}

h1 {
  font-size: clamp(2.35rem, 7.2vw, 4.45rem);
  line-height: 1.18;
}

h2 {
  font-size: clamp(1.55rem, 4.2vw, 2.45rem);
}

h3 {
  font-size: 1.08rem;
}

.hero-lead {
  max-width: 620px;
  margin: 20px 0 0;
  color: #29433c;
  font-size: clamp(1rem, 2.5vw, 1.12rem);
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 20px 0 0;
  list-style: none;
}

.hero-facts li {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: #29473f;
  background: #ffffff;
  font-size: 0.9rem;
  font-weight: 700;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 18px;
}

.store-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: var(--radius);
  font-weight: 800;
  line-height: 1.2;
}

.store-link-primary {
  min-width: min(100%, 250px);
  padding: 14px 18px;
  color: #ffffff;
  background: var(--navy);
  box-shadow: 0 10px 22px rgba(13, 31, 27, 0.13);
}

.store-link-primary:hover {
  color: #ffffff;
  background: var(--navy-strong);
}

.store-link-small {
  padding: 0 14px;
  color: #ffffff;
  background: var(--navy);
}

.store-link-small:hover {
  color: #ffffff;
  background: var(--navy-strong);
}

.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  color: var(--blue);
  font-weight: 800;
}

.store-route-block {
  max-width: 620px;
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 28px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fbfdfb;
}

.store-route-block-hero {
  color: #ffffff;
  border-color: rgba(244, 208, 111, 0.18);
  background: var(--navy);
  box-shadow: var(--shadow);
}

.store-route-block-compact {
  width: min(100%, 480px);
  justify-self: end;
  margin-top: 0;
  padding: 14px;
  background: #ffffff;
}

.app-icon-shell {
  position: relative;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 88px;
  height: 88px;
  padding: 4px;
  border: 1px solid rgba(13, 31, 27, 0.12);
  border-radius: 22px;
  background: #ffffff;
  box-shadow: 0 8px 18px rgba(13, 31, 27, 0.12);
}

.store-route-block-compact .app-icon-shell {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  box-shadow: 0 4px 12px rgba(13, 31, 27, 0.08);
}

.app-icon-image {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 18px;
  object-fit: cover;
  color: var(--navy);
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.25;
  text-align: center;
}

.store-route-block-compact .app-icon-image {
  border-radius: 14px;
}

.store-route-content {
  min-width: 0;
}

.store-route-title {
  margin: 0 0 8px;
  color: inherit;
  font-size: 0.95rem;
  font-weight: 800;
}

.google-play-badge-link {
  width: fit-content;
  max-width: 100%;
  min-height: 58px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px;
  border-radius: var(--radius);
}

.google-play-badge {
  display: block;
  width: min(100%, 194px);
  height: auto;
}

.store-trademark {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.5;
}

.store-route-block-hero .store-trademark {
  color: #d8e7dd;
}

.hero-note {
  max-width: 620px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.screenshot-figure,
.screenshot-card {
  margin: 0;
}

.screenshot-figure {
  display: grid;
  justify-items: center;
  gap: 12px;
}

.phone-shell {
  width: min(280px, 76vw);
  aspect-ratio: 9 / 18.5;
  padding: 14px;
  border-radius: 34px;
  background: var(--navy);
  box-shadow: var(--shadow);
}

.phone-notch {
  width: 70px;
  height: 5px;
  margin: 0 auto 12px;
  border-radius: 999px;
  background: #6a8178;
}

.screenshot-slot {
  height: calc(100% - 17px);
  display: grid;
  overflow: hidden;
  place-content: stretch;
  padding: 0;
  border: 1px solid rgba(159, 184, 173, 0.7);
  border-radius: 24px;
  color: var(--navy);
  background: #f5faf7;
  text-align: center;
}

figcaption {
  color: var(--muted);
  font-size: 0.88rem;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 30px;
}

.section-heading p:not(.eyebrow),
.text-block p,
.screen-copy p,
.support-panel,
.flow-step p,
.feature-item p,
.notice-box p,
.final-cta p,
.site-footer p,
details p {
  color: var(--muted);
}

.text-block p,
.screen-copy p {
  margin: 0 0 14px;
}

.concern-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}

.concern-list li {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  padding: 16px 0;
  border-top: 1px solid var(--border);
}

.concern-list li:last-child {
  border-bottom: 1px solid var(--border);
}

.concern-list span {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  color: var(--blue);
  background: var(--blue-soft);
  font-weight: 800;
}

.concern-list p {
  margin: 0;
  color: var(--navy);
  font-weight: 700;
}

.split-grid,
.screen-grid,
.support-grid,
.final-cta-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1fr);
  gap: clamp(24px, 6vw, 70px);
  align-items: start;
}

.screen-grid {
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.08fr);
  align-items: center;
}

.split-grid > *,
.screen-grid > *,
.support-grid > *,
.final-cta-inner > *,
.hero-grid > * {
  min-width: 0;
}

.screen-placeholder {
  width: min(100%, 780px);
  max-width: 100%;
  aspect-ratio: 16 / 10;
  display: grid;
  overflow: hidden;
  place-content: stretch;
  padding: clamp(12px, 2vw, 18px);
  border: 1px solid rgba(159, 184, 173, 0.7);
  border-radius: var(--radius);
  background: #ffffff;
  text-align: center;
}

.media-frame {
  position: relative;
}

.app-screenshot {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

.screenshot-slot .app-screenshot {
  height: 100%;
  object-fit: cover;
}

.screenshot-card {
  display: grid;
  gap: 10px;
  justify-items: stretch;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 34px;
  border-top: 1px solid var(--border);
}

.feature-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}

.feature-index {
  color: var(--gold);
  font-size: 0.86rem;
  font-weight: 800;
}

.feature-item p,
.flow-step p,
.notice-box p,
details p {
  margin: 10px 0 0;
}

.flow-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.flow-step {
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #ffffff;
}

.flow-step span {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 16px;
  border-radius: 999px;
  color: #ffffff;
  background: var(--navy);
  font-weight: 800;
}

.support-panel {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #ffffff;
}

.support-panel ul {
  display: grid;
  gap: 10px;
  padding-left: 1.2em;
  margin: 0;
}

.support-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 20px;
  font-weight: 800;
}

.support-links a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--blue);
}

.faq-list {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #ffffff;
  overflow: hidden;
}

details {
  border-bottom: 1px solid var(--border);
}

details:last-child {
  border-bottom: 0;
}

summary {
  position: relative;
  min-height: 58px;
  padding: 17px 54px 17px 18px;
  color: var(--navy);
  cursor: pointer;
  font-weight: 800;
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 20px;
  transform: translateY(-50%);
  color: var(--blue);
  font-size: 1.4rem;
  line-height: 1;
}

details[open] summary::after {
  content: "-";
}

details p {
  padding: 0 18px 18px;
}

.notice {
  background: var(--surface-warm);
}

.notice-box {
  max-width: 920px;
  padding: clamp(22px, 4vw, 34px);
  border-left: 5px solid var(--gold);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
}

.final-cta-inner {
  align-items: center;
}

.final-cta-inner p {
  margin: 10px 0 0;
}

.site-footer {
  padding: 40px 0 24px;
  color: #d8e8dd;
  background: var(--navy);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: start;
}

.footer-brand {
  color: #ffffff;
}

.footer-brand .brand-mark {
  background: #ffffff;
}

.site-footer p {
  max-width: 500px;
  margin: 8px 0 0;
  color: #c6d9ce;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 18px;
  font-weight: 700;
}

.footer-links a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.footer-links a:hover {
  color: #ffffff;
}

.footer-bottom {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid rgba(244, 208, 111, 0.16);
  color: #bbd3c7;
}

.reveal {
  opacity: 1;
  transform: translateY(0);
}

.js-enabled .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 420ms ease, transform 420ms ease;
}

.js-enabled .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 960px) {
  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    inset: calc(var(--header-height) + env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) auto max(12px, env(safe-area-inset-left));
    display: grid;
    gap: 4px;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: #ffffff;
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
  }

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

  .site-nav a {
    min-height: 48px;
    padding: 0 10px;
    border-radius: var(--radius);
  }

  .store-link-small {
    margin-top: 6px;
  }

  .hero-grid,
  .split-grid,
  .screen-grid,
  .support-grid,
  .final-cta-inner {
    grid-template-columns: 1fr;
  }

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

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

  .store-route-block-compact {
    justify-self: stretch;
  }
}

@media (max-width: 560px) {
  :root {
    --header-height: 64px;
  }

  .container {
    width: min(100% - 28px, 1120px);
  }

  .section-pad {
    padding: 50px 0;
  }

  .header-inner {
    width: calc(100% - 24px);
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

  .brand-text {
    font-size: 1.05rem;
  }

  .hero {
    min-height: auto;
  }

  h1 {
    font-size: clamp(2.15rem, 12vw, 3rem);
  }

  .hero-actions {
    align-items: stretch;
  }

  .text-link {
    width: 100%;
  }

  .text-link {
    justify-content: center;
  }

  .hero-facts li {
    font-size: 0.86rem;
  }

  .phone-shell {
    width: min(236px, 72vw);
    padding: 12px;
    border-radius: 28px;
  }

  .screenshot-slot {
    border-radius: 20px;
  }

  .concern-list li,
  .feature-item {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 12px;
  }

  .support-panel,
  .flow-step {
    padding: 20px;
  }

  .store-route-block {
    align-items: flex-start;
    gap: 12px;
    padding: 14px;
  }

  .store-route-block-hero {
    margin-top: 24px;
  }

  .app-icon-shell {
    width: 72px;
    height: 72px;
    border-radius: 18px;
  }

  .google-play-badge-link {
    width: 100%;
    min-height: 52px;
  }

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

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 360px) {
  .container {
    width: min(100% - 24px, 1120px);
  }

  h1 {
    font-size: 2.05rem;
  }

  .site-nav {
    inset-inline: 8px;
  }

  .store-route-block {
    flex-direction: column;
    align-items: stretch;
  }

  .app-icon-shell {
    width: 64px;
    height: 64px;
    border-radius: 16px;
  }

  .app-icon-image {
    border-radius: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .js-enabled .reveal,
  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (scripting: none) {
  .reveal {
    opacity: 1;
    transform: none;
  }
}