body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
  line-height: 1.9;
  color: #222;
  background-image: url(../assets/moon.jpg);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}
.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 40px 20px 80px;
}
.card {
  background: #fff;
  border-radius: 16px;
  padding: 32px 24px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
}
h1 {
  font-size:calc(28px * var(--font-scale,1));
  margin: 0 0 8px;
}
.meta {
  color: #666;
  font-size:calc(16px * var(--font-scale,1));
  margin-bottom: 28px;
}
h2 {
  font-size:calc(20px * var(--font-scale,1));
  margin-top: 32px;
  margin-bottom: 12px;
}
p, li {
  font-size:calc(16px * var(--font-scale,1));
}
ul {
  padding-left: 1.4em;
}
a {
  color: #2a6df4;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
.footer-link {
  margin-top: 32px;
  font-size:calc(16px * var(--font-scale,1));
}