:root {
  color-scheme: light;
  --paper: #f2eee5;
  --ink: #21302b;
  --muted: #607067;
  --accent: #a74832;
  --font-reading: "Noto Serif CJK TC", "Noto Serif TC", "Source Han Serif TC", "Songti TC", "PMingLiU", serif;
  --font-interface: "Noto Sans CJK TC", "Noto Sans TC", "Source Han Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  --font-technical: "Noto Sans Mono", "Noto Sans Mono CJK TC", ui-monospace, "SFMono-Regular", Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(115deg, transparent 0 68%, rgb(255 255 255 / 26%) 68% 100%),
    var(--paper);
  font-family: var(--font-interface);
}

.page {
  min-height: 100vh;
  padding: 42px 20px;
  display: flex;
  align-items: center;
}

.field {
  width: min(280px, 100%);
  margin-inline: auto;
  transform: translateY(-1vh);
}

.wordmark {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: max-content;
  max-width: 100%;
}

.wordmark-title,
.primary-label,
.footer-label {
  font-family: var(--font-reading);
}

.wordmark-domain,
.route {
  font-family: var(--font-technical);
  font-variant-ligatures: none;
}

.wordmark-domain {
  margin-bottom: 11px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.025em;
  line-height: 1.2;
  white-space: nowrap;
}

.wordmark-title {
  font-size: 1.55rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1.05;
  white-space: nowrap;
}

.wordmark-slash,
.taigi-slash {
  color: var(--accent);
}

.wordmark-slash {
  padding-inline: 0.04em;
}

.wordmark-taigi {
  margin-top: 6px;
  color: var(--ink);
  font-family: "Noto Serif", var(--font-reading);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.005em;
  line-height: 1.28;
  white-space: nowrap;
}

.taigi-slash {
  padding-inline: 0.09em;
}

main {
  margin-top: clamp(64px, 8vh, 82px);
  display: grid;
  justify-items: start;
  gap: 32px;
}

a {
  color: var(--ink);
  text-decoration: none;
  transition: color 160ms ease, transform 160ms ease;
}

a:hover,
a:focus-visible {
  color: var(--accent);
  transform: translateX(5px);
}

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.primary-link {
  margin: -12px -16px;
  padding: 12px 16px;
  display: inline-grid;
  grid-template-areas: "label arrow" "route route";
  grid-template-columns: max-content max-content;
  align-items: center;
  row-gap: 10px;
  column-gap: 14px;
}

.primary-label {
  grid-area: label;
  font-size: 3rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1;
}

.primary-link .route {
  grid-area: route;
}

.primary-arrow {
  grid-area: arrow;
  width: 1.35rem;
  height: 0.8rem;
  color: var(--accent);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.route {
  margin-left: 0.18em;
  color: var(--muted);
  font-size: 1rem;
  letter-spacing: 0.05em;
}

footer {
  margin-top: clamp(72px, 8vh, 86px);
}

.footer-link {
  min-height: 44px;
  margin: -12px -14px;
  padding: 12px 14px;
  display: inline-flex;
  align-items: baseline;
  gap: 14px;
}

.footer-label {
  font-size: 1.08rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  line-height: 1;
}

.footer-link .route {
  margin-left: 0;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

@media (max-width: 720px) {
  .page {
    padding-block: 32px;
  }

  .field {
    width: min(248px, 100%);
    transform: none;
  }

  main {
    margin-top: 56px;
  }

  footer {
    margin-top: 62px;
  }

  .primary-label {
    font-size: 2.65rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  a {
    transition: none;
  }

  a:hover,
  a:focus-visible {
    transform: none;
  }
}