.content-panel {
  padding-bottom: 28px;
}

.guide-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding: 0 24px 24px;
  display: grid;
}

.guide-step {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 14px;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  padding: 18px;
  display: grid;
}

.guide-number {
  color: #fff;
  background: linear-gradient(145deg, #f98270, #ed5d51);
  border-radius: 50%;
  justify-content: center;
  align-items: center;
  width: 42px;
  height: 42px;
  font-size: 16px;
  font-weight: 800;
  display: flex;
  box-shadow: 0 5px 14px #f46f5f24;
}

.guide-step h3,
.update-entry h3 {
  margin: 0 0 7px;
  font-size: 15px;
}

.guide-step p,
.content-note p,
.update-entry p {
  color: var(--muted);
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
}

.content-note {
  background: var(--green-pale);
  border: 1px solid #c9dfd1;
  border-radius: 14px;
  margin: 0 24px;
  padding: 17px 19px;
}

.content-note strong {
  color: var(--green);
  margin-bottom: 5px;
  font-size: 13px;
  display: block;
}

.update-list {
  padding: 0 24px;
  display: grid;
}

.update-entry {
  border-top: 1px solid var(--line);
  padding: 24px 0;
}

.update-entry:first-child {
  border-top: 0;
  padding-top: 0;
}

.update-entry time {
  color: var(--coral-dark);
  letter-spacing: .04em;
  margin-bottom: 6px;
  font-size: 11px;
  font-weight: 800;
  display: block;
}

.update-entry h3 {
  font-size: 19px;
}

.update-summary {
  margin-bottom: 14px !important;
}

.update-entry ul {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 24px;
  margin: 0;
  padding: 0;
  display: grid;
}

.update-entry li {
  color: #50534f;
  padding-left: 18px;
  font-size: 12px;
  line-height: 1.7;
  position: relative;
}

.update-entry li::before {
  content: "✓";
  color: var(--green);
  font-weight: 900;
  position: absolute;
  left: 0;
}

.update-note {
  background: #f8f4ee;
  border-radius: 11px;
  margin-top: 18px !important;
  padding: 13px 15px !important;
}

.section-tabs {
  scrollbar-width: thin;
  overflow-x: auto;
}

.section-tabs button {
  flex: 0 0 auto;
  white-space: nowrap;
}

@media (width <= 800px) {
  .section-tabs {
    margin-inline: -12px;
    padding: 0 12px 3px;
  }

  .guide-list,
  .update-entry ul {
    grid-template-columns: 1fr;
  }

  .guide-list {
    padding: 0 14px 16px;
  }

  .content-note {
    margin: 0 14px;
  }

  .update-list {
    padding: 0 14px;
  }

  .guide-step {
    grid-template-columns: 36px 1fr;
    padding: 15px;
  }

  .guide-number {
    width: 36px;
    height: 36px;
    font-size: 14px;
  }
}