* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #ffffff;
  color: #1d1d1f;
  line-height: 1.5;
}

.site-nav {
  display: flex; flex-wrap: wrap; justify-content: center; padding: 16px 24px 0; font-size: 0.85rem;
}
.site-nav a { color: #6e6e73; text-decoration: none; margin: 0 8px; }
.site-nav a.active { color: #8B7200; font-weight: 600; }
.site-nav .sep { color: #c7c7cc; }

.lang-switch {
  display: flex; justify-content: center; gap: 8px; padding: 10px 24px 0;
}
.lang-switch a {
  font-size: 0.85rem; font-weight: 600; text-decoration: none;
  color: #6e6e73; padding: 6px 14px; border-radius: 999px; background: #fff;
  box-shadow: 0 1px 3px rgba(0,0,0,.06);
}
.lang-switch a.active { color: #fff; background: #8B7200; }

.hero {
  background: #ffffff;
  border-bottom: 1px solid #ececec;
  color: #1d1d1f;
  text-align: center;
  padding: 56px 24px 72px;
}
.hero img { width: 104px; height: 104px; border-radius: 24px; box-shadow: 0 8px 24px rgba(0,0,0,.4); margin-bottom: 20px; }
.hero h1 { font-size: 2.4rem; font-weight: 800; letter-spacing: -0.01em; margin-bottom: 10px; color: #1d1d1f; }
.hero .tagline { font-size: 1.15rem; font-weight: 500; opacity: 0.88; max-width: 480px; margin: 0 auto 28px; }
.hero .badge { display: inline-block; }
.hero .badge img { height: 52px; width: auto; box-shadow: none; border-radius: 0; }

.wrap { max-width: 720px; margin: 0 auto; padding: 56px 24px 80px; }

section { margin-bottom: 56px; }
section > h2 {
  font-size: 1.5rem; font-weight: 700; margin-bottom: 14px;
  text-align: center;
}
section > .section-sub { text-align: center; color: #6e6e73; font-size: 1rem; margin-bottom: 20px; }

.story { background: #fff; border-radius: 16px; padding: 28px 30px; box-shadow: 0 1px 3px rgba(0,0,0,.06); }
.story p { color: #48484a; font-size: 0.97rem; margin-bottom: 14px; }
.story p:last-child { margin-bottom: 0; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.card { background: #fff; border-radius: 16px; padding: 22px 22px; box-shadow: 0 1px 3px rgba(0,0,0,.06); }
.card .emoji { font-size: 1.6rem; display: block; margin-bottom: 10px; }
.card h3 { font-size: 1.02rem; font-weight: 600; margin-bottom: 6px; }
.card p { color: #48484a; font-size: 0.93rem; }

.stack-list { list-style: none; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.stack-list li {
  background: #fff; border-radius: 999px; padding: 10px 18px; box-shadow: 0 1px 3px rgba(0,0,0,.06);
  font-weight: 600; font-size: 0.9rem;
}

.privacy-box {
  background: #fff; border-radius: 16px; padding: 28px 28px; text-align: center;
  box-shadow: 0 1px 3px rgba(0,0,0,.06);
}
.privacy-box p { color: #48484a; font-size: 0.97rem; margin-bottom: 14px; }
.privacy-box a { color: #8B7200; font-weight: 600; text-decoration: none; }
.privacy-box a:hover { text-decoration: underline; }

footer { text-align: center; padding: 24px; color: #86868b; font-size: 0.85rem; }
footer a { color: #86868b; }