/* --- global --- */
body {
  background: linear-gradient(
    180deg,
    #f3f1ed,
    #eae7e2
  );
  font-family: "Georgia", serif;
  color: #2a2a2a;
  margin: 0;
  padding: 0;
}

/* --- container --- */
.container {
  max-width: 560px;
  margin: 90px auto;
  padding: 30px;
  background-color: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(2px);
  border-radius: 4px;
}

/* --- header --- */
header h1 {
  font-size: 2.3em;
  margin-bottom: 4px;
  letter-spacing: 0.02em;
}

.subtitle {
  font-size: 0.85em;
  color: #777;
  font-style: italic;
}

/* --- navigation --- */
nav {
  margin: 35px 0;
}

nav a {
  margin-right: 18px;
  text-decoration: none;
  color: #2a2a2a;
  font-size: 0.85em;
  opacity: 0.7;
}

nav a:hover {
  opacity: 1;
  text-decoration: underline;
}

/* --- main content --- */
main {
  margin-top: 20px;
}

main p {
  line-height: 1.8;
  font-size: 0.95em;
}

/* --- scrapbook notes --- */
.note {
  margin: 40px 0;
  padding-left: 10px;
  border-left: 1px solid #cfcac3;
  font-style: italic;
  color: #555;
}

/* --- footer --- */
footer {
  margin-top: 70px;
  font-size: 0.75em;
  color: #888;
  text-align: center;
}