:root {
  --bg: #fff9ef;
  --panel: #ffffff;
  --ink: #252126;
  --muted: #5f5a63;
  --accent: #b51233;
  --accent-dark: #7f0c25;
  --gold: #f5b21b;
  --green: #5f8f28;
  --line: #eadfce;
  --shadow: 0 18px 45px rgba(37, 33, 38, 0.14);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(245, 178, 27, 0.32), transparent 34rem),
    radial-gradient(circle at top right, rgba(181, 18, 51, 0.18), transparent 30rem),
    var(--bg);
}

html[lang="ja"] body {
  line-height: 1.75;
}

a {
  color: var(--accent-dark);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 0.16em;
}

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

header {
  padding: 1rem;
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 249, 239, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

nav {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink);
  font-weight: 900;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.brand img {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  object-fit: cover;
  box-shadow: 0 8px 18px rgba(37, 33, 38, 0.18);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.8rem;
  font-size: 0.95rem;
}

.language-switcher {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-left: 0.5rem;
  padding-left: 0.5rem;
  border-left: 1px solid var(--line);
}

.lang-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.3rem;
  height: 2rem;
  padding: 0 0.45rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.85);
  color: var(--accent-dark);
  font-size: 0.76rem;
  font-weight: 900;
  text-decoration: none;
}

.lang-link:hover {
  color: var(--accent);
}

.lang-link.is-current {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}

.lang-link.is-current:hover {
  color: #ffffff;
}

main {
  margin: 0 auto;
  padding: 2rem 1rem 4rem;
}

.home-page main,
.marketing-page main {
  max-width: 1100px;
}

.support-page main,
.privacy-page main {
  max-width: 900px;
}

.hero {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.home-page .hero {
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
  padding: 3rem 0 2rem;
}

.marketing-page .hero {
  grid-template-columns: minmax(0, 1.1fr) minmax(240px, 0.9fr);
  padding: 2rem 0;
}

.hero-card,
.hero-copy,
.support,
.policy,
.section {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-card,
.hero-copy,
.support,
.policy {
  padding: clamp(1.5rem, 4vw, 3rem);
  background: rgba(255, 255, 255, 0.9);
}

.section {
  margin-top: 2rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 10px 30px rgba(37, 33, 38, 0.08);
}

.support,
.policy {
  margin-top: 2rem;
}

.eyebrow {
  margin: 0 0 0.5rem;
  color: var(--accent);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
}

.eyebrow-link {
  display: inline-block;
}

.home-page h1 {
  margin: 0;
  font-size: clamp(2.5rem, 7vw, 5.2rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
}

html[lang="ja"] .home-page h1 {
  font-size: clamp(2.2rem, 5.4vw, 4.2rem);
  white-space: nowrap;
}

.support-page h1,
.privacy-page h1 {
  margin: 0;
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

.marketing-page h1 {
  margin: 0;
  font-size: clamp(2.6rem, 7vw, 5rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.about-page h1 {
  font-size: clamp(2rem, 8.2vw, 3rem);
  line-height: 1;
  white-space: nowrap;
}

.heading-link {
  color: inherit;
  font-weight: inherit;
  text-decoration: underline;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.12em;
}

.heading-link:hover {
  color: inherit;
}

html[lang="ja"] h1,
html[lang="ja"] h2,
html[lang="ja"] h3,
html[lang="ja"] .eyebrow {
  letter-spacing: 0;
}

html[lang="ja"] .eyebrow {
  text-transform: none;
}

.home-page h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.1;
  letter-spacing: -0.035em;
}

.marketing-page h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.support-page h2,
.privacy-page h2 {
  margin: 2rem 0 0.6rem;
  font-size: clamp(1.35rem, 3vw, 1.8rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.home-page h3 {
  margin: 0 0 0.4rem;
  font-size: 1.35rem;
}

.marketing-page h3 {
  margin: 0 0 0.4rem;
  font-size: 1.25rem;
}

.tagline {
  margin: 1.2rem 0 0;
  max-width: 42rem;
  color: var(--muted);
  font-size: 1.2rem;
}

.intro {
  margin-top: 1rem;
  color: var(--muted);
}

.support-page .intro,
.privacy-page .intro {
  font-size: 1.08rem;
}

.marketing-page .intro {
  margin: 1.2rem 0 0;
  font-size: 1.18rem;
}

.hero-logo,
.app-art {
  display: flex;
  justify-content: center;
}

.hero-logo img {
  width: min(100%, 420px);
  border-radius: 34px;
  box-shadow: var(--shadow);
  border: 6px solid #ffffff;
  background: #ffffff;
}

.app-art img {
  width: min(100%, 360px);
  border: 8px solid #ffffff;
  border-radius: 28px;
  box-shadow: var(--shadow);
  background: #ffffff;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.75rem 1.05rem;
  border-radius: 999px;
  background: var(--accent);
  color: #ffffff;
  font-weight: 900;
  box-shadow: 0 10px 22px rgba(181, 18, 51, 0.25);
  text-decoration: none;
}

.button:hover {
  color: #ffffff;
}

.button.secondary {
  background: #ffffff;
  color: var(--accent-dark);
  border: 1px solid var(--line);
  box-shadow: none;
}

.button.secondary:hover {
  color: var(--accent);
}

.app-store-link {
  display: inline-flex;
  align-items: center;
  flex: none;
  line-height: 0;
}

.app-store-badge {
  display: block;
  width: 148px;
  max-width: 100%;
  height: auto;
}

.cards {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.home-page .cards {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.marketing-page .cards {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 1.25rem;
}

.app-heading {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.4rem;
}

.app-heading h3 {
  margin: 0;
}

.coming-soon-list {
  display: flex;
  flex-direction: column;
}

.coming-soon-entry {
  margin-bottom: 0;
}

.coming-soon-entry + .coming-soon-entry {
  margin-top: 0.9rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
}

.app-heading-with-badge {
  align-items: center;
  flex-wrap: nowrap;
  gap: 0.6rem;
}

.app-heading-with-badge h3 {
  flex: 1 1 auto;
  min-width: 0;
  white-space: nowrap;
  font-size: clamp(1.1rem, 1.7vw, 1.45rem);
}

.app-store-badge-disabled {
  width: 112px;
  flex: none;
}

.coming-soon-meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 700;
  white-space: nowrap;
}

.app-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 6px 14px rgba(37, 33, 38, 0.18);
}

.status {
  display: inline-block;
  margin-bottom: 0.75rem;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  background: rgba(95, 143, 40, 0.14);
  color: #375f14;
  font-size: 0.82rem;
  font-weight: 900;
}

ul {
  padding-left: 1.2rem;
}

.contact-box {
  margin-top: 1rem;
  padding: 1rem;
  border-left: 6px solid var(--gold);
  background: #fff7df;
  border-radius: 16px;
}

footer {
  margin: 0 auto;
  padding: 2rem 1rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 0.95rem;
}

.home-page footer,
.marketing-page footer {
  max-width: 1100px;
}

.support-page footer,
.privacy-page footer {
  max-width: 900px;
}

@media (max-width: 760px) {
  header {
    position: static;
  }

  nav {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .language-switcher {
    margin-left: 0;
    padding-left: 0;
    border-left: 0;
  }

  .home-page .hero,
  .marketing-page .hero,
  .home-page .cards,
  .marketing-page .cards {
    grid-template-columns: 1fr;
  }

  .home-page .hero {
    padding-top: 1.25rem;
  }

  .home-page .hero-logo,
  .marketing-page .app-art {
    order: -1;
  }

  .app-heading-with-badge {
    gap: 0.5rem;
  }
}