.sequential-check {
  max-width: 780px;
  margin: 18px auto;
}

.sequential-check-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.sequential-check-progress {
  margin: 0;
  color: var(--muted);
  font-weight: 700;
}

.sequential-check-list {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: sequential-check;
}

.sequential-check-row {
  counter-increment: sequential-check;
  padding: 13px 14px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--surface);
  transition: border-color .15s ease, background-color .15s ease;
}

.sequential-check-row.is-active {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary) 14%, transparent);
}

.sequential-check-row.is-checked {
  border-color: color-mix(in srgb, var(--success) 55%, var(--border));
  background: color-mix(in srgb, var(--success) 6%, var(--surface));
}

.sequential-check-row-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
}

.sequential-check-term {
  display: flex;
  align-items: baseline;
  gap: 9px;
  min-width: 0;
  overflow-wrap: anywhere;
  font-size: 1.05rem;
}

.sequential-check-term::before {
  content: counter(sequential-check) ".";
  flex: 0 0 auto;
  color: var(--muted);
  font-size: .78rem;
  font-weight: 700;
}

.sequential-check-meaning {
  margin: 10px 0 0;
  padding: 10px 12px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--primary) 7%, var(--surface));
  color: var(--text);
  overflow-wrap: anywhere;
}

.sequential-check-complete {
  margin: 14px 0 0;
  padding: 13px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--success) 10%, var(--surface));
  color: var(--success);
  font-weight: 750;
  text-align: center;
}

@media (max-width: 560px) {
  .sequential-check-head { align-items: flex-start; }
  .sequential-check-row-main { grid-template-columns: 1fr; }
  .sequential-check-row-main .btn { width: 100%; }
}