@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+JP&family=Roboto&display=swap");
body {
  margin: 20px 40px;
  background: #fdfdfd;
}

img {
  vertical-align: top;
}

* {
  font-family: "Roboto", "Noto Sans JP", sans-serif;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  padding: 0;
}
.links .link-card {
  list-style: none;
  width: 150px;
  height: 100px;
  border-radius: 6px;
  user-select: none;
  display: flex;
  flex-direction: row;
  align-items: center;
  border-radius: 7px;
  background-color: #fdfdfd;
  filter: drop-shadow(0px 0px 4px rgba(88, 88, 88, 0.6));
  user-select: none;
}
.links .link-card:hover {
  filter: drop-shadow(0px 0px 2.5px rgba(168, 168, 168, 0.6));
  cursor: pointer;
}
.links .link-card a {
  display: block;
  padding: 10px;
  width: calc(100% - 20px);
  height: calc(100% - 20px);
  color: #000;
  text-decoration: none;
}

header a {
  color: #000;
  text-decoration: none;
  font-size: 20px;
}
header a:hover {
  text-decoration: underline;
}

footer {
  font-size: small;
}
footer ul {
  display: flex;
  gap: 40px;
}

h1 {
  margin: 10px 0 0 0;
}

p {
  margin: 7px 0;
}