@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700;800&family=Noto+Sans+JP:wght@700&display=swap');

:root {
  --accent: #4285F4;
  --accent-dark: #3367D6;
  --ink: #111827;
  --body-text: #4B5563;
  --muted: #6B7280;
  --border: #EEF0F2;
  --bg: #F7F8FA;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Be Vietnam Pro', 'Noto Sans JP', sans-serif;
  background: var(--bg);
  color: #1A1A1A;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
img { max-width: 100%; display: block; }

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid #ECECEC;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { width: 40px; height: 40px; border-radius: 11px; object-fit: cover; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-weight: 800; font-size: 16px; }
.brand-tagline { font-size: 11px; color: var(--muted); }

.nav-links { display: flex; gap: 26px; font-size: 14px; font-weight: 600; color: #374151; }
.nav-links a:hover { color: var(--accent-dark); }

.header-actions { display: flex; align-items: center; gap: 10px; }

.lang-switch { display: flex; background: #F1F3F5; border-radius: 999px; padding: 4px; gap: 2px; }
.lang-switch button {
  border: none;
  padding: 6px 14px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 12px;
  cursor: pointer;
  background: transparent;
  color: var(--muted);
}
.lang-switch button.active { background: var(--accent); color: #fff; }

.cta-pill {
  background: var(--accent);
  color: #fff;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 13px;
  white-space: nowrap;
}

/* Hero */
.hero {
  display: flex;
  align-items: center;
  gap: 56px;
  padding: 72px 0 64px;
}
.hero-copy { flex: 1; display: flex; flex-direction: column; gap: 20px; min-width: 0; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #EAF1FE;
  color: var(--accent-dark);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  width: fit-content;
}
.hero h1 { margin: 0; font-size: 42px; line-height: 1.18; font-weight: 800; color: var(--ink); }
.hero p.lede { margin: 0; font-size: 16px; line-height: 1.65; color: var(--body-text); max-width: 460px; }

.store-buttons { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 6px; }
.store-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-radius: 14px;
  font-weight: 700;
  font-size: 14px;
}
.store-btn:hover { opacity: 0.88; }
.store-btn.primary { background: var(--ink); color: #fff; }
.store-btn.secondary { background: #fff; color: var(--ink); border: 1.5px solid #E5E7EB; }

.hero-quickstats { display: flex; gap: 30px; margin-top: 10px; }
.hero-quickstats .qs-value { font-weight: 800; font-size: 20px; color: var(--ink); }
.hero-quickstats .qs-label { font-size: 12px; color: var(--muted); }

.hero-art { flex: 0 0 300px; display: flex; justify-content: center; }
.phone-frame {
  width: 250px;
  border-radius: 34px;
  border: 8px solid var(--ink);
  overflow: hidden;
  box-shadow: 0 30px 60px rgba(17, 24, 39, 0.22);
}

/* Section headings */
.section-head { text-align: center; max-width: 620px; margin: 0 auto 40px; }
.section-head h2 { font-size: 30px; font-weight: 800; margin: 0 0 12px; color: var(--ink); }
.section-head p { font-size: 15px; color: var(--muted); margin: 0; line-height: 1.6; }

/* Features */
.features-section { padding: 56px 0 64px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
  transition: all .2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 16px 30px rgba(17, 24, 39, 0.08); }
.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  font-size: 24px;
  color: #fff;
  margin-bottom: 16px;
}
.feature-title { font-weight: 700; font-size: 15.5px; color: var(--ink); margin-bottom: 8px; }
.feature-desc { font-size: 13.5px; color: var(--muted); line-height: 1.55; }

/* Roadmap */
.roadmap-section { background: #fff; padding: 60px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.level-row { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.level-col { flex: 1; min-width: 110px; text-align: center; }
.level-badge {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 15px;
  margin: 0 auto 12px;
}
.level-label { font-weight: 700; font-size: 13.5px; color: var(--ink); }

/* Stats */
.stats-section { padding: 56px 0; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.stat-cell { background: #EAF1FE; border-radius: 20px; padding: 26px 20px; text-align: center; }
.stat-value { font-size: 26px; font-weight: 800; color: var(--ink); margin-bottom: 6px; }
.stat-label { font-size: 13px; color: #374151; font-weight: 600; }

/* Screenshots */
.screenshots-section { padding: 16px 0 64px; }
.shot { margin: 0; transition: all .2s ease; }
.shot:hover { transform: translateY(-6px); }
.shot-frame {
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid #E5E7EB;
  box-shadow: 0 10px 24px rgba(17, 24, 39, 0.06);
}
.shot figcaption { text-align: center; margin-top: 10px; font-size: 13px; font-weight: 600; color: #374151; }

/* About */
.about-section { background: #fff; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.about-inner { max-width: 880px; margin: 0 auto; padding: 64px 24px; display: flex; gap: 40px; align-items: center; }
.about-avatar {
  width: 132px;
  height: 132px;
  border-radius: 50%;
  background: #EAF1FE;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}
.about-kicker { font-size: 13px; font-weight: 700; color: var(--accent-dark); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 8px; }
.about-text h2 { margin: 0 0 12px; font-size: 26px; font-weight: 800; color: var(--ink); }
.about-text p { margin: 0; font-size: 15px; line-height: 1.75; color: var(--body-text); }

/* Footer */
.site-footer { background: #111827; color: #fff; padding: 56px 24px 26px; }
.footer-row { max-width: 1180px; margin: 0 auto; display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.footer-brand { max-width: 320px; }
.footer-brand-line { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand-line img { width: 32px; height: 32px; border-radius: 9px; object-fit: cover; }
.footer-brand-line span { font-weight: 800; font-size: 16px; }
.footer-desc { font-size: 13px; color: #9CA3AF; line-height: 1.65; margin: 0; }
.footer-col-heading { font-weight: 700; font-size: 13px; margin-bottom: 14px; color: #fff; }
.footer-list { font-size: 13px; color: #9CA3AF; line-height: 2.1; }
.footer-list a { text-decoration: underline; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 13px; color: #9CA3AF; }
.footer-bottom { max-width: 1180px; margin: 28px auto 0; border-top: 1px solid #1F2937; padding-top: 20px; font-size: 12px; color: #6B7280; }

/* Privacy page */
.legal-page { max-width: 760px; margin: 0 auto; padding: 72px 24px 96px; }
.legal-page h1 { font-size: 28px; font-weight: 800; color: var(--ink); margin: 0 0 12px; }
.legal-page h2 { font-size: 19px; font-weight: 700; color: var(--ink); margin: 36px 0 12px; }
.legal-page p { font-size: 15px; line-height: 1.7; color: var(--body-text); margin: 0 0 14px; }
.legal-page ul { margin: 0 0 14px; padding-left: 20px; }
.legal-page li { font-size: 15px; line-height: 1.7; color: var(--body-text); margin-bottom: 6px; }
.legal-page .back-link { display: inline-block; margin-bottom: 28px; font-weight: 700; color: var(--accent-dark); }
.legal-page .updated-note { font-size: 13px; color: var(--muted); margin-bottom: 24px; }
.legal-page .legal-intro { font-weight: 500; }

/* Responsive */
@media (max-width: 900px) {
  .hero { flex-direction: column; padding-top: 40px; }
  .hero-art { flex: 0 0 auto; margin-top: 32px; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; }
  .level-row { flex-wrap: wrap; }
  .level-col { min-width: 30%; }
  .about-inner { flex-direction: column; text-align: center; }
  .about-text { text-align: center; }
  .footer-row { flex-direction: column; gap: 28px; }
}

@media (max-width: 560px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 32px; }
}

@media (max-width: 600px) {
  .wrap { padding-left: 16px; padding-right: 16px; }
  .site-header .wrap { padding-left: 16px; padding-right: 16px; gap: 8px; }
  .brand-text { display: none; }
  .header-actions { gap: 6px; }
  .lang-switch button { padding: 5px 9px; font-size: 11px; }
  .cta-pill { padding: 8px 12px; font-size: 12px; }
}