@font-face {
  font-family: "Noto Serif TC";
  src: url("/css/webfonts/NotoSerifTC-VariableFont_wght.woff2")
      format("woff2-variations"),
    url("/css/webfonts/NotoSerifTC-VariableFont_wght.ttf")
      format("truetype-variations");
  font-weight: 200 900;
  font-style: normal;
  font-display: fallback;
}

body {
  background-image: url("/images/background-cover.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  min-height: 100vh;
  position: relative;
}

body::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: grayscale(100%);
  z-index: -1;
}

.navbar {
  background-color: rgba(255, 255, 255, 0.9) !important;
}

.noto-serif-tc-700 {
  font-family: "Noto Serif TC", serif;
  font-optical-sizing: auto;
  font-weight: 700;
  font-style: normal;
}