:root {
  color-scheme: dark;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: #0d1117;
  color: #f0f6fc;
  font:
    16px/1.75 'Noto Sans JP',
    sans-serif;
  font-synthesis: none;
  overflow-wrap: break-word;
}
main {
  max-width: 848px;
  margin: 0 auto;
  padding: 48px 24px 64px;
}
/* Break headings only at spaces, so Japanese words stay whole. */
h1,
h2 {
  border-bottom: 1px solid #3d444d;
  word-break: keep-all;
  overflow-wrap: normal;
}
h1 {
  margin: 0 0 24px;
  padding-bottom: 16px;
  font-size: clamp(1.65rem, 4vw, 2.1rem);
  line-height: 1.35;
}
h2 {
  margin: 40px 0 16px;
  padding-bottom: 8px;
  font-size: 1.3rem;
  line-height: 1.45;
}
p {
  margin: 0 0 16px;
}
ul {
  margin: 24px 0 32px;
  padding-left: 24px;
}
li {
  margin: 12px 0;
}
a {
  color: #4493f8;
  text-decoration: none;
  text-underline-offset: 0.2em;
}
a:hover {
  color: #79b8ff;
  text-decoration: underline;
}
a:focus-visible {
  outline: 1px solid #79b8ff;
  outline-offset: 2px;
}
code {
  color: #dce7f5;
  font-family: inherit;
  font-size: 0.875em;
}
a code {
  color: inherit;
}
.trailer {
  padding: 1.5rem;
  background: #101820;
  color: #f5f5f5;
  font:
    1rem/1.8 system-ui,
    sans-serif;
}
.trailer main {
  max-width: 60rem;
  padding: 0;
}
.trailer h1 {
  margin: 0.67em 0;
  padding: 0;
  border: 0;
  font-size: clamp(1.3rem, 4vw, 2rem);
  line-height: inherit;
}
video {
  display: block;
  width: 100%;
  height: auto;
  background: #000;
}
.support-badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 32px;
}
.support-badges a {
  display: inline-flex;
  max-width: 100%;
}
.support-badges img {
  display: block;
  width: auto;
  height: 20px;
  object-fit: contain;
  max-width: 100%;
}
@media (max-width: 480px) {
  main {
    padding: 28px 20px 48px;
  }
}