* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: #1a1a1a;
  line-height: 1.6;
}
a { color: #2e7d32; text-decoration: none; }
a:hover { text-decoration: underline; }

.nav { border-bottom: 1px solid #eee; }
.nav-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-left { display: flex; align-items: center; gap: 3px; }
.nav-icon-btn { display: block; cursor: pointer; list-style: none; }
.nav-icon-btn::-webkit-details-marker { display: none; }
.nav-icon-btn img { height: 44px; display: block; }
.nav-menu { position: relative; }
.nav-menu-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: #fff;
  border: 1px solid #eee;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  padding: 8px;
  min-width: 180px;
  z-index: 10;
}
.nav-menu-dropdown a {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  color: #1c1f26;
  font-weight: 500;
  white-space: nowrap;
}
.nav-menu-dropdown a:hover { background: #f7f7f8; color: #e4772e; text-decoration: none; }
.brand { font-weight: 700; font-size: 1.2rem; color: #1a1a1a; display: flex; align-items: center; gap: 8px; }
.brand-logo { width: 34px; height: 34px; border-radius: 6px; }
.nav nav a { margin-left: 20px; }

.hero {
  background: #11182b;
  text-align: center;
}
.hero-inner { padding: 70px 20px; }
.hero-mascot { width: 220px; margin: 0 auto 28px; display: block; }
.hero-greeting { color: #b7c0d6; font-size: 1.3rem; margin-bottom: 4px; }
.hero h1 { color: #fff; font-size: 2.5rem; margin-bottom: 12px; }
.hero-subtitle { color: #9aa5bd; font-size: 1.1rem; margin-bottom: 28px; }
.cta {
  display: inline-block;
  background: #2e7d32;
  color: #fff;
  padding: 12px 28px;
  border-radius: 8px;
  font-weight: 600;
}
.cta:hover { background: #256628; text-decoration: none; }

.features-inner, .screenshots-inner, .appstore-inner, .policy-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 60px 20px;
}
.features-inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  text-align: center;
}
.feature h2 { font-size: 1.2rem; margin-bottom: 8px; }
.feature p { color: #555; }

.screenshots-inner h2, .appstore-inner h2 { text-align: center; margin-bottom: 32px; }
.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.screenshot-grid img {
  width: 100%;
  border-radius: 16px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
  display: block;
}
.screenshot-wrap { position: relative; }
.badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: #f5a623;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

.appstore {
  background: #f4faf4;
  text-align: center;
}
.appstore-inner p { color: #555; }

.policy h1 { margin-bottom: 8px; }
.policy h2 { margin-top: 32px; margin-bottom: 8px; }
.policy em { color: #777; }
.policy ul { margin: 8px 0 8px 24px; }
.policy li { margin-bottom: 4px; }

.site-footer {
  text-align: center;
  padding: 24px 20px;
  color: #777;
  border-top: 1px solid #eee;
}

@media (max-width: 700px) {
  .features-inner, .screenshot-grid { grid-template-columns: 1fr; }
}