body {
  margin: 0;
  overflow: hidden;
  background: #444444;
  color: #ffffff;
  font-family: Avenir, "Avenir Next", "Helvetica Neue", sans-serif;
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.5;
  text-align: center;
}

::selection {
  background: #ebec11;
  color: #444444;
}

.intro {
  min-height: 100svh;
  display: grid;
  place-items: center;
}

.intro p {
  box-sizing: border-box;
  width: min(1120px, calc(100vw - 32px));
  margin: 0;
  padding: 24px;
}

.intro a {
  --underline-color: #ffffff;

  position: relative;
  display: inline-block;
  color: inherit;
  text-decoration: none;
}

.intro a.is-selected {
  --underline-color: #444444;
}

.intro a::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 1px;
  background: var(--underline-color);
  content: "";
}

.intro a:hover::after,
.intro a:focus-visible::after {
  bottom: 1px;
  height: 3px;
  background: var(--underline-color);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='3' viewBox='0 0 8 3'%3E%3Cpath d='M0 1.5 Q2 0 4 1.5 T8 1.5' fill='none' stroke='%23000' stroke-width='1'/%3E%3C/svg%3E") repeat-x;
  -webkit-mask-size: 8px 3px;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='3' viewBox='0 0 8 3'%3E%3Cpath d='M0 1.5 Q2 0 4 1.5 T8 1.5' fill='none' stroke='%23000' stroke-width='1'/%3E%3C/svg%3E") repeat-x;
  mask-size: 8px 3px;
  animation: link-wave 350ms linear infinite;
}

@keyframes link-wave {
  to {
    -webkit-mask-position: 8px 0;
    mask-position: 8px 0;
  }
}

@media (max-width: 900px) {
  .sentence:last-child {
    display: block;
    margin-top: 0.35em;
  }
}

@media (max-width: 600px) {
  .sentence {
    display: block;
  }

  .sentence + .sentence {
    margin-top: 0.35em;
  }
}