.tools-main {
  display: block;
  min-height: calc(100vh - 14rem);
  padding-top: clamp(4.5rem, 10vh, 8rem);
  padding-bottom: clamp(5rem, 11vh, 8rem);
}

.tools-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.65fr);
  gap: clamp(3rem, 9vw, 9rem);
  align-items: end;
}

.tools-intro .eyebrow {
  grid-column: 1 / -1;
  margin-bottom: 0;
}

.tools-intro h1 {
  font-size: clamp(4rem, 10vw, 9rem);
}

.tools-intro .lead {
  margin: 0 0 0.45rem;
}

.tool-list {
  margin-top: clamp(4.5rem, 10vh, 8rem);
  border-top: 1px solid var(--ink);
}

.tool-card {
  display: grid;
  grid-template-columns: 3rem 1fr auto;
  gap: clamp(1rem, 3vw, 2.5rem);
  align-items: start;
  padding: clamp(1.75rem, 4vw, 3rem) 0;
  border-bottom: 1px solid var(--line);
  transition:
    color 180ms ease,
    padding 180ms ease;
}

.tool-card:hover,
.tool-card:focus-visible {
  padding-inline: 0.75rem;
  color: var(--accent);
  outline: none;
}

.tool-number,
.tool-status,
.tool-meta {
  color: var(--muted);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
}

.tool-number {
  padding-top: 0.35rem;
  font-variant-numeric: tabular-nums;
}

.tool-copy {
  display: grid;
  gap: 0.8rem;
}

.tool-status {
  color: var(--accent);
  text-transform: uppercase;
}

.tool-title {
  font-family: "Noto Sans JP", sans-serif;
  font-size: clamp(1.8rem, 4vw, 3.25rem);
  letter-spacing: -0.04em;
}

.tool-description {
  color: var(--muted);
  font-family: "Noto Sans JP", sans-serif;
  font-size: 0.9rem;
  line-height: 1.8;
}

.tool-meta {
  margin-top: 0.4rem;
}

.tool-arrow {
  color: var(--muted);
  font-size: 1.15rem;
  transition: transform 180ms ease;
}

.tool-card:hover .tool-arrow,
.tool-card:focus-visible .tool-arrow {
  transform: translate(0.25rem, -0.25rem);
}

@media (max-width: 760px) {
  .tools-main {
    padding-top: 4.5rem;
    padding-bottom: 6rem;
  }

  .tools-intro {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .tools-intro .eyebrow {
    grid-column: auto;
  }

  .tools-intro .lead {
    margin: 0;
  }

  .tool-list {
    margin-top: 4.5rem;
  }

  .tool-card {
    grid-template-columns: 2rem 1fr auto;
  }
}