@font-face {
  font-family: "SFMono-Bold";
  src: url(../fonts/SFMono-Bold.otf) format("opentype");
}

@font-face {
  font-family: "HG正楷書体-PRO";
  src: url(../fonts/HGRSKP.TTF) format("truetype");
}

body {
  font-family: "Sawarabi Gothic";
}

h1 {
  font-family: "SFMono-Bold";
}

.navbar, .pagination {
  font-family: "SFMono-Bold";
}

.name-plate {
  font-family: "HG正楷書体-PRO";
}

.social-icon {
  width: 80px;
  height: 80px;
  font-size: 2.5rem;
  justify-items: center;
  align-content: center;
  text-align: center;
  transition: 0.3s;
}

.social-icon:hover {
  box-shadow: 0 0 20px #7d7d7d; /* 鼠色 */
}

.card-container {
  display: flex;
  align-items: stretch;
}

.card {
  flex-grow: 1;
}

.card-img-top {
  max-height: 75vh;
  object-fit: contain;
  background-color: #080000; /* 漆黒 */
}

.card-header {
  line-height: 3.0;
}

.card-icon {
  width: 48px;
  height: 48px;
  margin-right: 10px;
  border-radius: 50%;
}

.overlay {
  width: 100%;
  height: 100%;
  z-index: 1;
}

.to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 80px;
}

.to-top:hover {
  animation: oscillation 0.1s infinite;
}

@keyframes oscillation {
  0% {transform: translate(0px, 0px) rotateZ(0deg)}
  25% {transform: translate(2px, 2px) rotateZ(1deg)}
  50% {transform: translate(0px, 2px) rotateZ(0deg)}
  75% {transform: translate(2px, 0px) rotateZ(-1deg)}
  100% {transform: translate(0px, 0px) rotateZ(0deg)}
}