:root {
  --page-bg: #040404;
  --page-ink: #f4f4f1;
  --page-muted: rgba(244, 244, 241, 0.62);
  --rule: rgba(244, 244, 241, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--page-ink);
  font-family: "IBM Plex Sans JP", "Noto Sans Mono CJK JP", "Cascadia Mono", "JetBrains Mono", "BIZ UDGothic", "Yu Gothic UI", monospace;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.06), transparent 32%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 28%),
    var(--page-bg);
}

.page-shell {
  width: min(100%, 820px);
  margin: 0 auto;
  padding: 28px 16px 80px;
}

@media (min-width: 768px) {
  .page-shell {
    padding-top: 56px;
    padding-left: clamp(32px, 4vw, 72px);
    padding-right: clamp(32px, 6vw, 104px);
    padding-bottom: 112px;
  }
}

.title-block {
  margin-bottom: 32px;
  text-align: left;
}

.title-mark {
  margin: 0 0 10px;
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--page-muted);
}

.page-title {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.3rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.01em;
}

.memo {
  margin: 0;
  padding: 0;
}

.sentence {
  margin: 0;
  padding-block: 1.05rem;
  font-size: clamp(1rem, 1.2vw + 0.84rem, 1.16rem);
  line-height: 1.85;
  letter-spacing: 0.04em;
  opacity: 0;
  transform: translateY(10px);
  animation: sentence-in 620ms ease forwards;
  animation-delay: var(--trace, 0ms);
}

.tracker-status {
  margin: 0;
}

@keyframes sentence-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}