.page-products {
  --pp-gap: clamp(18px, 2.4vw, 28px);
  --pp-cut: 20px;
  display: block;
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-products .crumbs {
  padding-top: clamp(18px, 3vw, 34px);
  padding-bottom: clamp(14px, 2vw, 22px);
}

.page-products .pp-hero,
.page-products .pp-vers,
.page-products .pp-diff,
.page-products .pp-fit,
.page-products .pp-log,
.page-products .pp-steps,
.page-products .pp-mismatch {
  padding-bottom: clamp(46px, 7vw, 88px);
}

/* ---------- hero ---------- */
.page-products .pp-hero__grid {
  display: grid;
  gap: var(--pp-gap);
}

.page-products .pp-hero__title {
  margin: clamp(10px, 1.6vw, 18px) 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 8.4vw, 78px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--bone);
}

.page-products .pp-hero__title span {
  color: var(--moss-lit);
}

.page-products .pp-hero__desc {
  margin: clamp(14px, 2vw, 22px) 0 0;
  max-width: 46ch;
  color: var(--mist);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
}

.page-products .pp-hero__meta {
  margin: 22px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--stone);
}

.page-products .pp-hero__figure {
  margin: 0;
}

.page-products .pp-hero__media {
  aspect-ratio: 3 / 2;
}

.page-products .pp-hero__caption,
.page-products .pp-diff__caption,
.page-products .pp-fit__caption,
.page-products .pp-log__caption,
.page-products .pp-steps__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--stone);
}

/* ---------- section head ---------- */
.page-products .pp-sec {
  max-width: 720px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-products .pp-sec__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 4.2vw, 44px);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--bone);
}

.page-products .pp-sec__note {
  margin: 14px 0 0;
  max-width: 62ch;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.85;
}

/* ---------- version blocks ---------- */
.page-products .pp-vers__grid {
  display: grid;
  gap: var(--pp-gap);
}

.page-products .pp-ver {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.4vw, 26px);
  transition: transform var(--speed) ease, border-color var(--speed) ease;
}

.page-products .pp-ver:hover {
  transform: translateY(-2px);
  border-color: rgba(79, 179, 155, 0.42);
}

.page-products .pp-ver__tag {
  margin: 0;
}

.page-products .pp-ver__code {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(42px, 7vw, 58px);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--stone);
}

.page-products .pp-ver--v3 .pp-ver__code {
  color: var(--signal);
}

.page-products .pp-ver--v2 .pp-ver__code {
  color: var(--moss-lit);
}

.page-products .pp-ver__name {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--bone);
}

.page-products .pp-ver__desc {
  margin: 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.8;
}

.page-products .pp-ver__list {
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-products .pp-ver__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .pp-ver__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--moss);
  transform: rotate(45deg);
}

.page-products .pp-ver__fit {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone);
}

.page-products .pp-ver__fit span {
  margin-right: 8px;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  color: var(--moss-lit);
}

/* ---------- difference table ---------- */
.page-products .pp-tablewrap {
  max-height: 560px;
  overflow: auto;
  border: 1px solid var(--line);
  background: var(--panel);
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 13px;
}

.page-products .pp-table th,
.page-products .pp-table td {
  padding: 11px 12px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pp-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--lift);
  color: var(--bone);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.page-products .pp-table tbody tr:nth-child(even) {
  background: rgba(199, 205, 214, 0.04);
}

.page-products .pp-table tbody tr:hover {
  background: rgba(79, 179, 155, 0.09);
}

.page-products .pp-idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--stone);
}

.page-products .pp-dev {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--stone);
  white-space: nowrap;
}

.page-products .pp-strong {
  color: var(--moss-lit);
  font-weight: 600;
}

.page-products .pp-mid {
  color: var(--mist);
}

.page-products .pp-weak {
  color: var(--stone);
}

.page-products .pp-diff__foot {
  display: grid;
  gap: var(--pp-gap);
  margin-top: var(--pp-gap);
}

.page-products .pp-diff__figure {
  margin: 0;
}

.page-products .pp-diff__media {
  aspect-ratio: 5 / 6;
}

.page-products .pp-legend ul {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-products .pp-legend li {
  padding: 9px 12px;
  border-left: 3px solid var(--clay);
  background: rgba(18, 41, 74, 0.62);
  font-size: 13px;
  color: var(--mist);
}

.page-products .pp-legend li:nth-child(1) {
  border-left-color: var(--moss-lit);
}

.page-products .pp-legend li:nth-child(2) {
  border-left-color: var(--signal);
}

.page-products .pp-legend li:nth-child(3) {
  border-left-color: var(--amber);
}

.page-products .pp-legend li:nth-child(4) {
  border-left-color: var(--clay);
}

.page-products .pp-legend li:nth-child(5) {
  border-left-color: var(--moss);
}

.page-products .pp-legend li:nth-child(6) {
  border-left-color: var(--stone);
}

.page-products .pp-legend__tip {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.85;
  color: var(--stone);
}

/* ---------- device fit ---------- */
.page-products .pp-fit__grid {
  display: grid;
  gap: var(--pp-gap);
}

.page-products .pp-fit__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  border-top: 3px solid var(--moss);
}

.page-products .pp-fit__card:nth-child(2) {
  border-top-color: var(--moss-lit);
}

.page-products .pp-fit__card:nth-child(3) {
  border-top-color: var(--signal);
}

.page-products .pp-fit__card:nth-child(4) {
  border-top-color: var(--amber);
}

.page-products .pp-fit__code {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--stone);
}

.page-products .pp-fit__name {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--bone);
}

.page-products .pp-fit__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pp-fit__rec {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--moss-lit);
}

.page-products .pp-fit__figure {
  margin: var(--pp-gap) 0 0;
  max-width: 900px;
}

.page-products .pp-fit__media {
  aspect-ratio: 3 / 2;
}

/* ---------- update log ---------- */
.page-products .pp-log__grid {
  display: grid;
  gap: var(--pp-gap);
}

.page-products .pp-log__item {
  position: relative;
  margin-bottom: 12px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--moss);
  background: rgba(18, 41, 74, 0.72);
}

.page-products .pp-log__item[open] {
  border-left-color: var(--signal);
}

.page-products .pp-log__item summary {
  position: relative;
  display: grid;
  gap: 5px;
  padding: 14px 42px 14px 16px;
  cursor: pointer;
  list-style: none;
}

.page-products .pp-log__item summary::-webkit-details-marker {
  display: none;
}

.page-products .pp-log__item summary::after {
  content: "＋";
  position: absolute;
  top: 13px;
  right: 15px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--signal);
}

.page-products .pp-log__item[open] summary::after {
  content: "－";
}

.page-products .pp-log__when {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-products .pp-log__head {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--bone);
}

.page-products .pp-log__body {
  margin: 0;
  padding: 12px 16px 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-products .pp-log__figure {
  margin: 0;
}

.page-products .pp-log__media {
  aspect-ratio: 4 / 3;
}

.page-products .pp-log__more {
  margin: var(--pp-gap) 0 0;
}

/* ---------- steps ---------- */
.page-products .pp-steps__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--pp-gap);
}

.page-products .pp-step {
  position: relative;
  padding: 22px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--pp-cut)) 0, 100% var(--pp-cut), 100% 100%, var(--pp-cut) 100%, 0 calc(100% - var(--pp-cut)));
}

.page-products .pp-step__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 34px;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--moss-lit);
}

.page-products .pp-step__name {
  margin: 12px 0 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--bone);
}

.page-products .pp-step__desc {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pp-step__time {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--stone);
  transition: color var(--speed) ease, transform var(--speed) ease;
}

.page-products .pp-step:hover .pp-step__time {
  color: var(--amber);
  transform: translateX(3px);
}

.page-products .pp-steps__figure {
  margin: var(--pp-gap) 0 0;
}

.page-products .pp-steps__media {
  aspect-ratio: 10 / 7;
}

.page-products .pp-steps__cta {
  margin: clamp(20px, 3vw, 30px) 0 0;
}

/* ---------- mismatch ---------- */
.page-products .pp-mismatch__grid {
  display: grid;
  gap: var(--pp-gap);
}

.page-products .pp-case {
  padding: 20px;
  background: rgba(18, 41, 74, 0.72);
  border: 1px solid var(--line);
  border-left: 3px solid var(--clay);
}

.page-products .pp-case__sig {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--clay);
}

.page-products .pp-case__name {
  margin: 10px 0 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--bone);
}

.page-products .pp-case__desc {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pp-cta {
  margin-top: var(--pp-gap);
  padding: clamp(22px, 3.2vw, 36px);
  display: flex;
  flex-direction: column;
  gap: 18px;
  background: linear-gradient(125deg, var(--lift) 0%, var(--panel) 70%);
}

.page-products .pp-cta__text {
  max-width: 56ch;
}

.page-products .pp-cta__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.6vw, 27px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--bone);
}

.page-products .pp-cta__desc {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

.page-products .pp-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- responsive ---------- */
@media (min-width: 560px) {
  .page-products .pp-legend ul {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 640px) {
  .page-products .pp-fit__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-products .pp-vers__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .pp-vers__grid > .pp-ver:nth-child(2) {
    margin-top: 14px;
  }

  .page-products .pp-diff__foot {
    grid-template-columns: minmax(0, 340px) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 820px) {
  .page-products .pp-steps__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .pp-step::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -18px;
    width: 18px;
    height: 1px;
    background: linear-gradient(90deg, var(--moss), rgba(46, 125, 107, 0));
    transform: rotate(-14deg);
  }

  .page-products .pp-step:last-child::after {
    display: none;
  }

  .page-products .pp-mismatch__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .pp-cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-products .pp-cta__actions {
    flex: 0 0 auto;
  }
}

@media (min-width: 900px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: end;
  }

  .page-products .pp-log__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-products .pp-fit__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
<<<END>>>
</main>