.ptp-home-band {
  padding: 1rem 0 3rem;
}

.ptp-home-band__title {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  max-width: 18ch;
  margin-bottom: 0.5rem;
}

.ptp-update-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.25rem;
  font-size: 0.82rem;
  color: var(--ptp-ink-muted);
}

.ptp-update-chip::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--ptp-leaf);
}

.ptp-path {
  display: grid;
  gap: 1rem;
  margin: 1.5rem 0 2.5rem;
}

.ptp-path__step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--ptp-line);
}

.ptp-path__num {
  font-family: var(--ptp-font-display);
  font-size: 1.4rem;
  color: var(--ptp-sky);
  line-height: 1;
  min-width: 2ch;
}

.ptp-path__step h3 {
  font-size: 1.05rem;
  margin: 0 0 0.35rem;
}

.ptp-path__step p {
  margin: 0;
  font-size: 0.95rem;
}

.ptp-faq {
  margin: 2rem 0 3rem;
  max-width: 72ch;
}

.ptp-faq details {
  border-bottom: 1px solid var(--ptp-line);
  padding: 1rem 0;
}

.ptp-faq summary {
  cursor: pointer;
  font-family: var(--ptp-font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ptp-ink);
  list-style: none;
}

.ptp-faq summary::-webkit-details-marker {
  display: none;
}

.ptp-faq summary::after {
  content: "+";
  float: right;
  color: var(--ptp-sky);
  font-weight: 500;
}

.ptp-faq details[open] summary::after {
  content: "−";
}

.ptp-faq details p {
  margin: 0.75rem 0 0.25rem;
  font-size: 0.95rem;
}

.ptp-note-box {
  margin: 1.25rem 0;
  padding: 1rem 1.15rem;
  border-left: 3px solid var(--ptp-sky);
  background: rgba(61, 139, 219, 0.08);
  border-radius: 0 10px 10px 0;
  color: var(--ptp-ink-muted);
  font-size: 0.92rem;
}

.ptp-note-box--alert {
  border-left-color: var(--ptp-alert);
  background: rgba(196, 92, 38, 0.08);
}

.ptp-note-box--ok {
  border-left-color: var(--ptp-leaf);
  background: rgba(47, 107, 79, 0.1);
}

.ptp-topic-detail {
  margin: 2.5rem 0;
  padding-top: 2rem;
  border-top: 1px solid var(--ptp-line);
  max-width: 72ch;
  scroll-margin-top: 4.5rem;
}

.ptp-topic-detail h2 {
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
}

.ptp-topic-detail h3 {
  font-size: 1.05rem;
  margin-top: 1.4rem;
}

.ptp-checklist {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
}

.ptp-checklist li {
  position: relative;
  padding-left: 1.6rem;
  margin-bottom: 0.55rem;
  color: var(--ptp-ink-muted);
}

.ptp-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--ptp-leaf);
}

.ptp-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.85rem;
  margin: 1rem 0 2rem;
}

.ptp-toc a {
  font-size: 0.88rem;
  color: var(--ptp-ink-muted);
  text-decoration: none;
  border-bottom: 1px solid var(--ptp-line);
}

.ptp-toc a:hover {
  color: var(--ptp-sky);
  border-color: var(--ptp-sky);
}