:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --surface-light: #243044;
  --accent: #5b8def;
  --gold: #f1c40f;
  --text: #f0f4f8;
  --muted: #9aa5b5;
  --line: #2a3548;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP",
    -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.7;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  width: min(760px, calc(100% - 40px));
  margin: 0 auto;
}

header {
  padding: 20px 0 12px;
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 14px;
}

.lang {
  color: var(--muted);
}

main { padding: 40px 0 64px; }

.hero {
  text-align: center;
  padding: 24px 0 8px;
}

.hero img {
  width: 112px;
  height: 112px;
  border-radius: 28px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

h1 {
  font-size: 2rem;
  margin: 20px 0 8px;
}

.sub {
  color: var(--muted);
  margin: 0 0 28px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px 22px;
  margin: 16px 0;
}

.card h2 {
  margin: 0 0 10px;
  font-size: 1.1rem;
}

.card ul {
  margin: 0;
  padding-left: 1.2em;
  color: var(--muted);
}

.legal h1 { font-size: 1.7rem; }
.legal h2 {
  font-size: 1.05rem;
  margin: 28px 0 8px;
}
.legal p { color: var(--muted); }
.legal .updated { color: var(--gold); font-size: 0.92rem; }

footer {
  border-top: 1px solid var(--line);
  padding: 24px 0 36px;
  color: var(--muted);
  font-size: 13px;
}

footer nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.note {
  font-size: 14px;
  color: var(--muted);
}