@font-face {
  font-family: "Argent Pixel CF";
  src: url("../fonts/argent/ArgentPixelCF-Italic.woff2") format("woff2");
  font-style: italic;
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Source Serif";
  src: url("../fonts/source-serif/SourceSerif4-Roman-latin.woff2")
    format("woff2");
  font-style: normal;
  font-weight: 200 900;
  font-display: swap;
}
@font-face {
  font-family: "Source Serif";
  src: url("../fonts/source-serif/SourceSerif4-Roman-latin-ext.woff2")
    format("woff2");
  font-style: normal;
  font-weight: 200 900;
  font-display: swap;
  unicode-range:
    U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113,
    U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Mona12";
  src: url("../fonts/mona/Mona12.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Mona12";
  src: url("../fonts/mona/Mona12-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
:root {
  color-scheme: light;
  --paper: #ffcfc4;
  --ink: #0f261f;
  --muted: #4b574a;
  --line: #0f261f33;
  --frame-inset: 16px;
  --logo-blend: multiply;
  --display: "Argent Pixel CF", "Source Serif", Georgia, serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --paper: #0f261f;
    --ink: #ffcfc4;
    --muted: #ceb8a9;
    --line: #ffcfc433;
    --logo-blend: screen;
  }
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  overflow-wrap: break-word;
  text-size-adjust: 100%;
  background: var(--paper);
}
body {
  margin: 0;
  color: var(--ink);
  font:
    400 1rem/1.6 "Source Serif",
    Georgia,
    serif;
  -webkit-font-smoothing: antialiased;
  isolation: isolate;
}
::selection {
  color: var(--paper);
  background: var(--ink);
}
a {
  color: inherit;
  text-underline-offset: 0.22em;
}
button,
input,
select,
textarea {
  font: inherit;
}
button {
  color: inherit;
}
img,
svg {
  display: block;
  max-inline-size: 100%;
}
[hidden] {
  display: none !important;
}
.sr-only {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 5px;
}
.skip-link {
  position: fixed;
  inset: 1rem auto auto 1rem;
  z-index: 10;
  padding: 0.65rem 1rem;
  color: var(--paper);
  background: var(--ink);
  transform: translateY(-200%);
}
.skip-link:focus {
  transform: none;
}
.ambient {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}
.ambient::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--ink);
  mask: url("../images/dither-fallback.svg") center / cover no-repeat;
  opacity: 0.18;
}
.ambient.is-ready::before {
  display: none;
}
.ambient canvas {
  display: block;
  inline-size: 100%;
  block-size: 100%;
  opacity: 0;
}
.ambient.is-ready canvas {
  opacity: 1;
}
.viewport-frame {
  --corner-size: 32px;
  position: fixed;
  inset:
    max(var(--frame-inset), env(safe-area-inset-top))
    max(var(--frame-inset), env(safe-area-inset-right))
    max(var(--frame-inset), env(safe-area-inset-bottom))
    max(var(--frame-inset), env(safe-area-inset-left));
  z-index: 4;
  pointer-events: none;
  color: var(--ink);
  opacity: 0.24;
  background:
    linear-gradient(currentColor, currentColor) center top /
      calc(100% - 2 * var(--corner-size)) 1px no-repeat,
    linear-gradient(currentColor, currentColor) center bottom /
      calc(100% - 2 * var(--corner-size)) 1px no-repeat,
    linear-gradient(currentColor, currentColor) left center /
      1px calc(100% - 2 * var(--corner-size)) no-repeat,
    linear-gradient(currentColor, currentColor) right center /
      1px calc(100% - 2 * var(--corner-size)) no-repeat;
}
.frame-corner {
  position: absolute;
  inline-size: var(--corner-size);
  block-size: var(--corner-size);
  background: currentColor;
  mask: url("../images/pixel-frame-corner.svg") center / contain no-repeat;
}
.frame-corner--top-left {
  inset: 0 auto auto 0;
}
.frame-corner--top-right {
  inset: 0 0 auto auto;
  transform: rotate(90deg);
}
.frame-corner--bottom-right {
  inset: auto 0 0 auto;
  transform: rotate(180deg);
}
.frame-corner--bottom-left {
  inset: auto auto 0 0;
  transform: rotate(270deg);
}
.landing {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: 1fr auto;
  min-block-size: 100svh;
  padding-block: var(--frame-inset);
  padding-inline: clamp(1.25rem, 4vw, 4rem);
}
main {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  min-inline-size: 0;
  padding-block: 3rem 4rem;
}
main:focus {
  outline: none;
}
.impressum {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2rem, 5vw, 5rem);
  inline-size: min(100%, 58rem);
  padding-block-start: 2rem;
  border-block-start: 1px solid var(--line);
  font-size: 0.875rem;
  line-height: 1.6;
}
.impressum h2 {
  margin: 0 0 1rem;
  font: italic 400 1rem/1.35 var(--display);
  letter-spacing: 0.015em;
}
.impressum p {
  margin: 0 0 0.85rem;
}
.maintainer-name {
  white-space: nowrap;
}
.impressum-links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem 1.25rem;
}
.impressum-links .support-button {
  justify-content: center;
  min-block-size: 3.25rem;
  inline-size: 100%;
  text-decoration: none;
}
.language-switcher {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.language-switcher a {
  display: inline-flex;
  align-items: center;
  min-block-size: 2.75rem;
  text-decoration: none;
}
.language-switcher a[aria-current="page"],
.language-switcher a:hover {
  text-decoration: underline;
}
.language-switcher [lang="ja"] {
  font-family: "Mona12", sans-serif;
}
html[lang="ja"] {
  --mono: "Mona12", monospace;
  --display: "Argent Pixel CF", "Mona12", sans-serif;
}
html[lang="ja"] body {
  font-family: "Mona12", sans-serif;
}
html[lang="ja"] .hero-tagline,
html[lang="ja"] .impressum h2 {
  font-style: normal;
}
html[lang="ja"] .hero-copy {
  line-height: 1.65;
}
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1rem 1.25rem;
  border-block-start: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.8rem;
}
.footer-project a,
.footer-links a {
  text-decoration: none;
}
.footer-project a:hover,
.footer-links a:hover {
  text-decoration: underline;
}
.footer-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.footer-links a {
  display: inline-flex;
  align-items: center;
  min-block-size: 2.75rem;
}
@media (max-width: 40rem) {
  :root {
    --frame-inset: 10px;
  }
  main {
    gap: 2.5rem;
    padding-block: 2rem 2.5rem;
  }
  .impressum {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
  }
  .site-footer {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.15rem 1.5rem;
    padding-block: 0.75rem;
  }
  .footer-project {
    flex-basis: 100%;
    text-align: center;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}