.page-home {
  --line-soft: rgba(122, 106, 90, .2);
  --home-pad: clamp(16px, 4.5vw, 56px);
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: clip;
}

.page-home *,
.page-home *::before,
.page-home *::after {
  box-sizing: border-box;
}

.page-home img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ---------- Hero ---------- */
.page-home .hero {
  position: relative;
  padding: 28px var(--home-pad) 52px;
  background-color: var(--paper);
  background-image: linear-gradient(to right, var(--line-soft) 1px, transparent 1px);
  background-size: 72px 100%;
  overflow: hidden;
}

.page-home .hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-home .hero__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: right center;
  opacity: .24;
  -webkit-mask-image: linear-gradient(to right, #000 0%, rgba(0,0,0,.4) 58%, transparent 100%);
  mask-image: linear-gradient(to right, #000 0%, rgba(0,0,0,.4) 58%, transparent 100%);
}

.page-home .hero__grid {
  position: relative;
  z-index: 1;
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  gap: 28px;
}

.page-home .hero__rail {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 16px;
  padding: 18px;
  background: var(--white);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-home .hero__stamp {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  background: var(--red);
  color: var(--white);
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%);
}

.page-home .hero__date {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-home .hero__date-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  line-height: 1.5;
  color: var(--muted);
}

.page-home .hero__date-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--red);
  line-height: 1.2;
}

.page-home .hero__date-note {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--green);
}

.page-home .hero__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(31, 122, 107, .55);
  animation: home-pulse 2.4s ease-out infinite;
}

@keyframes home-pulse {
  0% { box-shadow: 0 0 0 0 rgba(31, 122, 107, .55); }
  70% { box-shadow: 0 0 0 7px rgba(31, 122, 107, 0); }
  100% { box-shadow: 0 0 0 0 rgba(31, 122, 107, 0); }
}

.page-home .hero__note {
  margin: 0;
  font-size: .8125rem;
  line-height: 1.65;
  color: var(--muted);
  flex-basis: 100%;
}

.page-home .hero__index {
  flex-basis: 100%;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}

.page-home .hero__index-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .22em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-home .hero__index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
}

.page-home .hero__index-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  font-size: .8125rem;
  color: var(--brown);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .18s ease, color .18s ease;
}

.page-home .hero__index-list a:hover,
.page-home .hero__index-list a:focus-visible {
  color: var(--red);
  border-bottom-color: var(--red);
}

.page-home .hero__index-no {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-home .hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 8.4vw, 6.2rem);
  line-height: 1.04;
  letter-spacing: .02em;
  font-weight: 700;
  color: var(--brown);
}

.page-home .hero__title span {
  display: block;
}

.page-home .hero__title span:last-child {
  color: var(--red);
}

.page-home .hero__lede {
  max-width: 56ch;
  margin: 22px 0 0;
  font-size: clamp(1rem, 1.4vw, 1.125rem);
  line-height: 1.85;
  color: var(--ink);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-home .hero__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 38px;
}

.page-home .hero-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px 20px;
  background: var(--white);
  box-shadow: inset 0 0 0 1px var(--line);
  color: var(--ink);
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  transition: transform .22s ease, box-shadow .22s ease, background-color .22s ease;
}

.page-home .hero-card:hover,
.page-home .hero-card:focus-visible {
  background: var(--sand);
  box-shadow: inset 0 0 0 1px var(--gold);
  transform: translateY(-2px);
}

.page-home .hero-card__tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-home .hero-card__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--brown);
}

.page-home .hero-card__desc {
  font-size: .875rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .hero-card__arrow {
  margin-top: auto;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--red);
  transition: transform .22s ease;
}

.page-home .hero-card:hover .hero-card__arrow {
  transform: translateX(5px);
}

/* ---------- Band scaffolding ---------- */
.page-home .band {
  padding: 52px var(--home-pad);
}

.page-home .band__inner {
  max-width: var(--maxw);
  margin: 0 auto;
}

.page-home .band--sand {
  background: linear-gradient(180deg, var(--sand) 0%, rgba(234, 215, 166, .32) 100%);
}

.page-home .band--white {
  background: var(--white);
}

.page-home .band--ink {
  background: var(--brown);
  color: var(--white);
}

.page-home .band__head {
  position: relative;
  margin-bottom: 30px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-home .band--ink .band__head {
  border-top-color: rgba(234, 215, 166, .35);
}

.page-home .band__no {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--gold);
}

.page-home .band--ink .band__no {
  color: var(--sand);
}

.page-home .band__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.2vw, 2.3rem);
  line-height: 1.25;
  font-weight: 600;
  color: var(--brown);
}

.page-home .band__desc {
  max-width: 62ch;
  margin: 12px 0 0;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 01 Diff ---------- */
.page-home .rules {
  display: grid;
  gap: 24px;
}

.page-home .rules__figure {
  margin: 0;
  padding: 10px;
  background: var(--white);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-home .rules__figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-home .rules__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-home .rules__table-scroll {
  overflow-x: auto;
  background: var(--white);
  box-shadow: inset 0 0 0 1px var(--line);
  -webkit-overflow-scrolling: touch;
}

.page-home .diff-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: .875rem;
}

.page-home .diff-table thead th {
  padding: 12px 14px;
  background: var(--brown);
  color: var(--sand);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .12em;
  text-align: left;
  white-space: nowrap;
}

.page-home .diff-table tbody th {
  padding: 13px 14px;
  text-align: left;
  vertical-align: top;
  font-weight: 500;
  font-size: .875rem;
  line-height: 1.55;
  color: var(--brown);
  border-bottom: 1px solid var(--line-soft);
}

.page-home .diff-table tbody td {
  padding: 13px 14px;
  text-align: left;
  vertical-align: top;
  line-height: 1.55;
  color: var(--muted);
  border-bottom: 1px solid var(--line-soft);
}

.page-home .diff-table tbody tr:nth-child(even) {
  background: rgba(246, 238, 220, .55);
}

.page-home .diff-table tbody tr:hover {
  background: var(--sand);
}

.page-home .diff-table tbody tr:last-child th,
.page-home .diff-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-home .diff-table tbody td a {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--red);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  white-space: nowrap;
}

/* ---------- 02 Channel ---------- */
.page-home .channel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-home .channel-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 22px 20px;
  background: var(--white);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  transition: transform .22s ease, box-shadow .22s ease;
}

.page-home .channel-card:hover {
  box-shadow: inset 0 0 0 1px var(--gold);
  transform: translateY(-2px);
}

.page-home .channel-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.page-home .channel-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--brown);
}

.page-home .channel-card__meta {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  display: grid;
  gap: 9px;
}

.page-home .channel-card__meta > div {
  display: grid;
  grid-template-columns: 4.6em minmax(0, 1fr);
  gap: 10px;
  font-size: .875rem;
  line-height: 1.6;
}

.page-home .channel-card__meta dt {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-home .channel-card__meta dd {
  margin: 0;
  color: var(--ink);
}

.page-home .channel-card__link {
  margin-top: auto;
  align-self: flex-start;
  font-size: .875rem;
  color: var(--red);
  text-decoration: none;
  border-bottom: 1px solid var(--red);
  padding-bottom: 2px;
}

/* ---------- 03 Tiers ---------- */
.page-home .tiers {
  display: grid;
  gap: 22px;
}

.page-home .tiers__figure {
  margin: 0;
  padding: 10px;
  background: var(--paper);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-home .tiers__figure img {
  width: 100%;
  aspect-ratio: 5 / 3;
  object-fit: cover;
}

.page-home .tiers__scroll {
  overflow-x: auto;
  background: var(--white);
  box-shadow: inset 0 0 0 1px var(--line);
  -webkit-overflow-scrolling: touch;
}

.page-home .tiers-table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  font-size: .875rem;
}

.page-home .tiers-table thead th {
  padding: 14px 12px;
  background: var(--sand);
  color: var(--brown);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .08em;
  text-align: center;
  border-bottom: 1px solid var(--line);
}

.page-home .tiers-table thead th:first-child {
  text-align: left;
}

.page-home .tiers-table tbody th {
  padding: 13px 12px;
  text-align: left;
  font-weight: 500;
  color: var(--brown);
  white-space: nowrap;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .tiers-table tbody td {
  padding: 13px 12px;
  text-align: center;
  color: var(--muted);
  border-bottom: 1px solid var(--line-soft);
}

.page-home .tiers-table tbody tr:nth-child(even) {
  background: rgba(246, 238, 220, .5);
}

.page-home .tiers-table tbody tr:last-child th,
.page-home .tiers-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-home .tiers__more {
  margin: 0;
}

/* ---------- 04 Timeline ---------- */
.page-home .timeline-plate {
  margin: 0 0 24px;
}

.page-home .timeline-plate img {
  width: 100%;
  aspect-ratio: 16 / 5;
  max-height: 170px;
  object-fit: cover;
  opacity: .92;
}

.page-home .timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-home .timeline__node {
  padding: 20px 18px;
  background: var(--white);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-home .timeline__no {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-home .timeline__name {
  margin: 6px 0 8px;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--brown);
}

.page-home .timeline__desc {
  margin: 0;
  font-size: .875rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .timeline__open {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--green);
}

/* ---------- 05 Records ---------- */
.page-home .records {
  display: grid;
  gap: 22px;
}

.page-home .records__panel {
  padding: 24px 22px;
  background: var(--paper);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-home .records__heading {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--brown);
}

.page-home .records__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .records__list li {
  display: grid;
  grid-template-columns: 3.4em minmax(0, 1fr);
  gap: 10px;
  padding-bottom: 12px;
  font-size: .9rem;
  line-height: 1.7;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .records__list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-home .records__key {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-home .records__note {
  margin: 18px 0 0;
  font-size: .8125rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .records__actions {
  margin: 20px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-home .records__faq {
  display: grid;
  align-content: start;
  gap: 10px;
}

.page-home .qa {
  background: var(--paper);
  box-shadow: inset 0 0 0 1px var(--line-soft);
}

.page-home .qa summary {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  font-size: .9rem;
  font-weight: 500;
  line-height: 1.6;
  color: var(--brown);
  cursor: pointer;
  list-style: none;
}

.page-home .qa summary::-webkit-details-marker {
  display: none;
}

.page-home .qa summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--gold);
}

.page-home .qa[open] summary::after {
  content: "−";
}

.page-home .qa p {
  margin: 0;
  padding: 0 18px 16px;
  font-size: .875rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 06 Contact ---------- */
.page-home .contact-strip {
  display: grid;
  gap: 28px;
}

.page-home .contact-strip__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.25;
  font-weight: 600;
  color: var(--sand);
}

.page-home .contact-strip__desc {
  max-width: 46ch;
  margin: 14px 0 22px;
  font-size: .9375rem;
  line-height: 1.85;
  color: rgba(251, 247, 238, .78);
}

.page-home .contact-strip__links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin: 24px 0 0;
  font-size: .8125rem;
}

.page-home .contact-strip__links a {
  font-family: var(--font-mono);
  letter-spacing: .06em;
  color: rgba(234, 215, 166, .85);
  text-decoration: none;
  border-bottom: 1px solid rgba(234, 215, 166, .4);
  padding-bottom: 2px;
}

.page-home .contact-strip__links a:hover,
.page-home .contact-strip__links a:focus-visible {
  color: var(--white);
  border-bottom-color: var(--white);
}

.page-home .contact-strip__list {
  margin: 0;
}

.page-home .contact-strip__list > div {
  display: grid;
  grid-template-columns: 6.2em minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(234, 215, 166, .2);
}

.page-home .contact-strip__list > div:first-child {
  padding-top: 0;
}

.page-home .contact-strip__list dt {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .14em;
  color: rgba(234, 215, 166, .7);
}

.page-home .contact-strip__list dd {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.65;
  color: var(--white);
  word-break: break-word;
  overflow-wrap: anywhere;
}

/* ---------- Responsive ---------- */
@media (min-width: 700px) {
  .page-home .hero__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 780px) {
  .page-home .channel {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    border-top: 2px solid var(--gold);
  }

  .page-home .timeline__node {
    padding: 26px 18px 22px;
    background: transparent;
    box-shadow: none;
    clip-path: none;
    border-right: 1px solid var(--line-soft);
    position: relative;
  }

  .page-home .timeline__node::before {
    content: "";
    position: absolute;
    top: -8px;
    left: 0;
    width: 12px;
    height: 12px;
    background: var(--paper);
    border: 2px solid var(--gold);
    transform: rotate(45deg);
  }

  .page-home .timeline__node:last-child {
    border-right: 0;
  }
}

@media (min-width: 900px) {
  .page-home .rules {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }

  .page-home .tiers {
    grid-template-columns: 300px minmax(0, 1fr);
    grid-template-areas:
      "fig table"
      "fig more";
    align-items: start;
    gap: 22px 32px;
  }

  .page-home .tiers__figure { grid-area: fig; }
  .page-home .tiers__scroll { grid-area: table; }
  .page-home .tiers__more { grid-area: more; }

  .page-home .records {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }
}

@media (min-width: 940px) {
  .page-home .hero {
    padding-top: 44px;
    padding-bottom: 72px;
  }

  .page-home .hero__grid {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-home .hero__rail {
    flex-direction: column;
    align-items: flex-start;
    position: sticky;
    top: 24px;
    padding: 24px 20px;
    gap: 18px;
  }

  .page-home .hero__note {
    flex-basis: auto;
  }

  .page-home .hero__date {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    height: 208px;
    padding-right: 12px;
    border-right: 2px solid var(--gold);
  }

  .page-home .hero__date-label {
    margin: 0 0 0 16px;
    font-size: 10px;
    letter-spacing: .2em;
  }

  .page-home .hero__date-value {
    font-size: 1.3rem;
  }

  .page-home .hero__date-note {
    margin: 10px 0 0 0;
    writing-mode: horizontal-tb;
  }

  .page-home .hero__index {
    width: 100%;
    padding-top: 18px;
  }

  .page-home .hero__index-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 9px;
  }

  .page-home .hero__index-list a {
    display: flex;
    width: 100%;
  }

  .page-home .hero__title {
    line-height: 1.02;
  }
}

@media (min-width: 860px) {
  .page-home .contact-strip {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero-card,
  .page-home .channel-card,
  .page-home .hero-card__arrow {
    transition: none;
  }

  .page-home .hero__dot {
    animation: none;
  }
}
<<<END>>>
