.page-home {
  --local-gold-line: rgba(212, 175, 55, 0.35);
  --local-gold-soft: rgba(212, 175, 55, 0.14);
  --local-muted-line: rgba(245, 239, 230, 0.12);
  overflow-x: hidden;
}

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

.page-home .breadcrumb {
  margin: 0 0 28px;
  font-size: 0.813rem;
}

.page-home .home-hero {
  margin-bottom: clamp(40px, 6vw, 72px);
}

.page-home .home-hero-grid {
  display: grid;
  grid-template-areas:
    "copy"
    "visual"
    "bonus"
    "notice";
  gap: 18px;
}

.page-home .hero-copy {
  grid-area: copy;
  padding-top: 8px;
}

.page-home .hero-visual {
  grid-area: visual;
}

.page-home .hero-bonus {
  grid-area: bonus;
}

.page-home .hero-notice {
  grid-area: notice;
}

.page-home .hero-kicker {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.813rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--local-gold-line);
  background: var(--local-gold-soft);
  padding: 6px 14px;
  margin-bottom: 18px;
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}

.page-home .hero-copy h1 {
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  line-height: 1.18;
  letter-spacing: 0.01em;
  color: var(--fg-strong);
  margin: 0 0 16px;
}

.page-home .hero-desc {
  font-family: var(--sans);
  font-size: 1rem;
  line-height: var(--lh);
  color: var(--fg-muted);
  max-width: 580px;
  margin: 0 0 24px;
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
}

.page-home .hero-more {
  font-family: var(--sans);
  font-size: 0.875rem;
  color: var(--fg-muted);
  margin: 0;
}

.page-home .hero-more a {
  color: var(--gold);
  text-decoration: none;
}

.page-home .hero-more a:hover {
  text-decoration: underline;
}

.page-home .hero-visual .media-frame {
  display: block;
  width: 100%;
  background: var(--bg-deep);
  border: 1px solid var(--gold);
  clip-path: polygon(26px 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%, 0 26px);
}

.page-home .hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  clip-path: polygon(25px 0, 100% 0, 100% calc(100% - 25px), calc(100% - 25px) 100%, 0 100%, 0 25px);
}

.page-home .hero-bonus {
  position: relative;
  display: flex;
  flex-direction: column;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-deep) 100%);
  color: var(--bg);
  padding: 20px 22px 18px;
  clip-path: polygon(16px 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%, 0 16px);
}

.page-home .hero-bonus .tag {
  align-self: flex-start;
  display: inline-block;
  background: var(--bg);
  color: var(--gold);
  border: 1px solid var(--bg);
  padding: 4px 10px;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.page-home .hero-bonus .bonus-label {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 0.875rem;
  margin: 0 0 4px;
}

.page-home .hero-bonus .bonus-num {
  font-family: var(--mono);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin: 0;
  letter-spacing: 0.02em;
}

.page-home .hero-bonus .bonus-note {
  font-family: var(--sans);
  font-size: 0.813rem;
  line-height: 1.5;
  opacity: 0.78;
  margin: 8px 0 0;
}

.page-home .hero-notice {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--bg-soft);
  border: 1px solid var(--local-muted-line);
  border-left: 3px solid var(--gold);
  padding: 14px 16px;
}

.page-home .hero-notice p {
  margin: 0;
  font-family: var(--sans);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--fg);
}

.page-home .hero-notice a {
  color: var(--gold);
  text-decoration: none;
  font-weight: 600;
}

.page-home .hero-notice a:hover {
  text-decoration: underline;
}

.page-home .section-head {
  margin-bottom: 20px;
}

.page-home .section-index {
  font-family: var(--mono);
  font-size: 0.813rem;
  letter-spacing: 0.1em;
  color: var(--gold);
  margin: 0 0 8px;
}

.page-home .section-title {
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(1.25rem, 2.6vw, 1.9rem);
  line-height: 1.2;
  color: var(--fg-strong);
  margin: 0 0 8px;
}

.page-home .section-desc {
  font-family: var(--sans);
  font-size: 0.938rem;
  line-height: var(--lh);
  color: var(--fg-muted);
  margin: 0;
  max-width: 640px;
}

.page-home .section-desc a {
  color: var(--gold);
  text-decoration: none;
  font-weight: 600;
}

.page-home .section-desc a:hover {
  text-decoration: underline;
}

.page-home .home-sync {
  margin-bottom: clamp(40px, 6vw, 72px);
}

.page-home .sync-grid {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.page-home .sync-panel {
  background: var(--bg-deep);
  border: 1px solid var(--local-gold-line);
  padding: 24px;
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
}

.page-home .panel-label {
  font-family: var(--sans);
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  color: var(--fg-muted);
  margin: 0 0 12px;
}

.page-home .sync-figure {
  font-family: var(--mono);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--gold);
  margin: 0 0 12px;
}

.page-home .sync-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--sans);
  font-size: 0.813rem;
  color: var(--green);
  margin: 0;
}

.page-home .sync-log {
  background: var(--bg-soft);
  border: 1px dashed var(--local-gold-line);
  padding: 18px 20px;
}

.page-home .sync-log-title {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--gold);
  margin: 0;
}

.page-home .sync-log ul {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.page-home .sync-log li {
  font-family: var(--sans);
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--fg);
  padding: 8px 0;
  border-bottom: 1px solid var(--local-muted-line);
}

.page-home .sync-log li:last-child {
  border-bottom: 0;
}

.page-home .home-mobile {
  margin-bottom: clamp(40px, 6vw, 72px);
}

.page-home .mobile-layout {
  display: grid;
  gap: 20px;
  align-items: center;
}

.page-home .mobile-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 20px;
}

.page-home .stat-card {
  background: var(--bg-soft);
  border: 1px solid var(--local-muted-line);
  padding: 16px 14px;
}

.page-home .stat-label {
  font-family: var(--sans);
  font-size: 0.813rem;
  color: var(--fg-muted);
  margin: 0 0 6px;
}

.page-home .stat-status {
  font-family: var(--mono);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--green);
  margin: 0;
}

.page-home .mobile-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
}

.page-home .home-steps {
  margin-bottom: clamp(40px, 6vw, 72px);
}

.page-home .steps-track {
  display: grid;
  gap: 14px;
  margin: 28px 0 20px;
}

.page-home .step-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0 16px;
  align-items: center;
  background: var(--bg-soft);
  border: 1px solid var(--local-muted-line);
  border-left: 3px solid var(--gold);
  padding: 18px 16px;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-home .step-item:hover {
  border-color: var(--gold);
  background: var(--bg-panel);
  transform: translateY(-2px);
}

.page-home .step-num {
  grid-row: 1 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  font-family: var(--mono);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--gold);
  background: var(--bg-deep);
  border: 1px solid var(--local-gold-line);
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

.page-home .step-name {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 1rem;
  color: var(--fg-strong);
  margin: 0 0 4px;
}

.page-home .step-text {
  font-family: var(--sans);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--fg-muted);
  margin: 0;
}

.page-home .steps-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 1;
  object-fit: cover;
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
}

.page-home .home-v4 {
  margin-bottom: clamp(40px, 6vw, 72px);
}

.page-home .v4-panel {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(120deg, var(--bg-soft), var(--bg-panel));
  border: 1px solid var(--local-gold-line);
  border-left: 6px solid var(--gold);
  padding: 24px;
  clip-path: polygon(18px 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%, 0 18px);
}

.page-home .v4-panel .section-index {
  margin-bottom: 4px;
}

.page-home .v4-panel .section-title {
  margin-bottom: 6px;
}

.page-home .v4-panel .section-desc {
  margin-bottom: 0;
}

.page-home .home-bonus {
  margin-bottom: clamp(40px, 6vw, 72px);
}

.page-home .bonus-banner {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  background: var(--bg-panel);
  border: 1px solid var(--local-gold-line);
  padding: 28px;
}

.page-home .bonus-main {
  flex: 1 1 300px;
}

.page-home .bonus-desc {
  font-family: var(--sans);
  font-size: 0.938rem;
  line-height: var(--lh);
  color: var(--fg-muted);
  margin: 10px 0 0;
  max-width: 640px;
}

.page-home .bonus-desc a {
  color: var(--gold);
  text-decoration: none;
  font-weight: 600;
}

.page-home .bonus-desc a:hover {
  text-decoration: underline;
}

.page-home .bonus-coin {
  width: 112px;
  height: 112px;
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, var(--gold-soft), var(--gold) 45%, var(--gold-deep) 78%);
  border: 4px dashed var(--bg-deep);
  box-shadow: 0 0 28px rgba(212, 175, 55, 0.4);
  font-family: var(--mono);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--bg);
}

.page-home .home-version {
  margin-bottom: clamp(40px, 6vw, 72px);
}

.page-home .version-grid {
  display: grid;
  gap: 24px;
}

.page-home .version-compare {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 14px;
  margin-top: 24px;
}

.page-home .compare-old,
.page-home .compare-new {
  background: var(--bg-soft);
  border: 1px solid var(--local-muted-line);
  padding: 14px;
}

.page-home .compare-label {
  font-family: var(--sans);
  font-size: 0.813rem;
  color: var(--fg-muted);
  margin: 0 0 10px;
}

.page-home .compare-grid.old-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}

.page-home .compare-grid.old-grid span {
  display: block;
  aspect-ratio: 1;
  background: var(--bg);
  border: 1px solid var(--local-muted-line);
}

.page-home .compare-arrow {
  align-self: center;
  color: var(--gold);
  font-size: 1.25rem;
  font-weight: 800;
  transform: rotate(90deg);
}

.page-home .compare-lines span {
  display: block;
  height: 12px;
  margin-bottom: 8px;
  background: linear-gradient(90deg, var(--gold) 0%, var(--gold-soft) 100%);
}

.page-home .compare-lines span:last-child {
  margin-bottom: 0;
}

.page-home .version-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
}

.page-home .home-help {
  margin-bottom: 8px;
}

.page-home .help-cards {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.page-home .help-cards .card {
  padding: 22px;
  background: var(--bg-soft);
  border: 1px solid var(--local-muted-line);
  border-top: 3px solid var(--gold);
  text-decoration: none;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-home .help-cards .card:hover {
  transform: translateY(-3px);
  border-color: var(--gold);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
}

.page-home .help-cards .card-title {
  font-family: var(--serif);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--fg-strong);
  margin: 0 0 8px;
}

.page-home .help-cards .card-text {
  font-family: var(--sans);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--fg-muted);
  margin: 0;
}

@media (min-width: 720px) {
  .page-home .sync-grid {
    grid-template-columns: 1fr 0.9fr;
  }

  .page-home .mobile-layout {
    grid-template-columns: 1fr 0.85fr;
  }

  .page-home .steps-track {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-home .step-item {
    grid-template-columns: 1fr;
    text-align: center;
    border-left: 3px solid var(--gold);
  }

  .page-home .step-num {
    grid-row: auto;
    margin: 0 auto 12px;
  }

  .page-home .help-cards {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-home .version-compare {
    flex-direction: row;
    align-items: center;
  }

  .page-home .compare-arrow {
    transform: rotate(0deg);
  }

  .page-home .compare-old,
  .page-home .compare-new {
    flex: 1;
  }
}

@media (min-width: 900px) {
  .page-home .home-hero-grid {
    grid-template-areas:
      "copy visual"
      "bonus visual"
      "notice notice";
    grid-template-columns: 1fr 1.05fr;
    gap: 24px;
  }

  .page-home .hero-bonus {
    align-self: end;
  }

  .page-home .hero-visual .media-frame {
    height: 100%;
  }

  .page-home .hero-visual img {
    height: 100%;
    aspect-ratio: auto;
  }

  .page-home .version-grid {
    grid-template-columns: 1fr 0.85fr;
    align-items: center;
  }

  .page-home .v4-panel {
    padding: 32px;
  }

  .page-home .bonus-banner {
    padding: 36px;
  }
}