.page-home {
  --page-gutter: clamp(16px, 4vw, 48px);
  --page-max: 1240px;
  --home-panel-pad: clamp(18px, 3vw, 36px);
  background: var(--c-paper);
  color: var(--c-ink);
}

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

.page-home__crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-1);
  max-width: var(--page-max);
  margin-inline: auto;
  padding: var(--sp-3) var(--page-gutter) 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--c-steel);
}

.page-home__crumb a {
  color: var(--c-deep);
  text-decoration: none;
}

.page-home__crumb a:hover {
  text-decoration: underline;
}

.page-home__crumb-current {
  color: var(--c-deep);
  font-weight: 700;
}

.page-home__hero {
  position: relative;
  background: var(--c-deep);
  color: var(--c-white);
  padding: var(--sp-4) var(--page-gutter) var(--sp-6);
  overflow: hidden;
}

.page-home__hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: -12%;
  width: 60%;
  height: 100%;
  background: linear-gradient(135deg, rgba(182, 245, 0, 0.08) 0%, transparent 60%);
  transform: skewX(-14deg);
  transform-origin: top left;
  pointer-events: none;
}

.page-home__hero::after {
  content: '49';
  position: absolute;
  right: -0.05em;
  bottom: -0.28em;
  font-family: var(--font-head);
  font-weight: 100;
  font-size: clamp(140px, 24vw, 300px);
  line-height: 1;
  color: var(--c-deep-2);
  opacity: 0.9;
  z-index: 0;
  letter-spacing: -0.06em;
}

.page-home__hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--sp-5);
  max-width: var(--page-max);
  margin-inline: auto;
}

.page-home__index {
  color: var(--c-neon);
  border-bottom-color: var(--c-neon);
  margin-bottom: var(--sp-2);
}

.page-home__title {
  font-family: var(--font-head);
  font-weight: 100;
  font-size: clamp(36px, 6vw, 76px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 var(--sp-3);
}

.page-home__lead {
  color: var(--c-mist);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 62ch;
}

.page-home__hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-4);
}

.page-home__btn-outline {
  border-color: var(--c-white);
  color: var(--c-white);
}

.page-home__hero-visual {
  position: relative;
  transform: translateY(8px);
}

.page-home__hero-frame {
  position: relative;
  border: var(--border) solid var(--c-neon);
  box-shadow: var(--shadow-hard);
  background: var(--c-deep-2);
  transform: rotate(0.5deg);
}

.page-home__hero-frame img {
  width: 100%;
  object-fit: cover;
}

.page-home__speed-panel {
  position: absolute;
  top: -14px;
  right: 16px;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  background: var(--c-neon);
  color: var(--c-ink);
  padding: var(--sp-1) var(--sp-3);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.8rem;
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.2);
}

.page-home__speed-panel strong {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
}

.page-home__wave {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -10px;
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 48px;
  padding: 0 12px;
}

.page-home__wave-item {
  flex: 1;
  height: calc(18% + var(--step) * 5%);
  background: var(--c-neon);
  transform: skewX(-8deg);
  transform-origin: bottom;
  transition: height 0.3s var(--ease);
}

.page-home__hero-frame:hover .page-home__wave-item {
  animation: pageHomeWave 0.7s var(--ease) both;
}

@keyframes pageHomeWave {
  0% {
    transform: scaleY(1);
  }
  40% {
    transform: scaleY(0.55);
  }
  100% {
    transform: scaleY(1);
  }
}

.page-home__hero-caption {
  margin-top: var(--sp-3);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--c-steel);
  letter-spacing: 0.02em;
}

.page-home__chapter-preview {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-5);
  position: relative;
  z-index: 1;
}

.page-home__chapter {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  border: 2px solid var(--c-steel);
  padding: var(--sp-1) var(--sp-2);
  font-size: 0.8rem;
  color: var(--c-mist);
  text-decoration: none;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-home__chapter:hover,
.page-home__chapter:focus,
.page-home__chapter.is-active {
  background: var(--c-neon);
  color: var(--c-ink);
  border-color: var(--c-neon);
}

.page-home__chapter-no {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  opacity: 0.8;
}

.page-home__fixes,
.page-home__guide,
.page-home__modules {
  padding: var(--sp-6) var(--page-gutter);
  max-width: var(--page-max);
  margin-inline: auto;
}

.page-home__section-head {
  margin-bottom: var(--sp-4);
}

.page-home__h2 {
  font-family: var(--font-head);
  font-weight: 100;
  font-size: clamp(30px, 4.4vw, 56px);
  letter-spacing: -0.02em;
  margin: var(--sp-1) 0 0;
}

.page-home__fix-panel {
  position: relative;
  display: grid;
  gap: var(--sp-4);
  border: var(--border) solid var(--c-ink);
  background: var(--c-white);
  box-shadow: var(--shadow-hard);
  padding: var(--home-panel-pad);
}

.page-home__fix-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent 0 23px, var(--c-mist) 23px 24px),
    repeating-linear-gradient(90deg, transparent 0 23px, var(--c-mist) 23px 24px);
  opacity: 0.35;
  pointer-events: none;
}

.page-home__fix-list,
.page-home__fix-panel img {
  position: relative;
}

.page-home__fix-list {
  display: grid;
  gap: var(--sp-4);
}

.page-home__fix-item {
  border-left: 6px solid var(--c-neon);
  padding-left: var(--sp-3);
}

.page-home__fix-status {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--c-orange);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.page-home__fix-item h3 {
  font-size: 1.25rem;
  margin: var(--sp-1) 0;
}

.page-home__fix-item p {
  color: var(--c-steel);
  line-height: 1.6;
  margin: 0;
}

.page-home__fix-panel img {
  width: 100%;
  max-height: 320px;
  object-fit: cover;
  border: 2px solid var(--c-mist);
}

.page-home__fix-more {
  margin-top: var(--sp-4);
}

.page-home__guide-shell {
  display: grid;
  gap: var(--sp-5);
  background: var(--c-ink);
  color: var(--c-white);
  border: var(--border) solid var(--c-steel);
  box-shadow: var(--shadow-hard);
  padding: var(--home-panel-pad);
}

.page-home__guide-copy {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.page-home__guide-tip {
  font-size: 1.08rem;
  line-height: 1.7;
  margin: 0;
}

.page-home__guide-tip strong {
  color: var(--c-neon);
  font-weight: 700;
}

.page-home__step-list {
  list-style: none;
  counter-reset: pageHomeSteps;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--sp-3);
}

.page-home__step-list li {
  counter-increment: pageHomeSteps;
  position: relative;
  padding-left: 52px;
  padding-top: var(--sp-2);
  border-top: 1px solid var(--c-steel);
  color: var(--c-mist);
  line-height: 1.6;
}

.page-home__step-list li::before {
  content: '0' counter(pageHomeSteps);
  position: absolute;
  left: 0;
  top: var(--sp-2);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--c-neon);
  border: 1px solid var(--c-steel);
  padding: 2px 6px;
  background: var(--c-deep);
}

.page-home__guide-visual {
  position: relative;
}

.page-home__guide-visual img {
  width: 100%;
  height: auto;
  border: 2px solid var(--c-steel);
  object-fit: cover;
}

.page-home__cache-float {
  position: absolute;
  right: 8px;
  bottom: 8px;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: var(--sp-1) var(--sp-2);
  background: var(--c-deep-2);
  border: 2px solid var(--c-orange);
  box-shadow: 4px 4px 0 rgba(182, 245, 0, 0.3);
}

.page-home__cache-note {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--c-mist);
}

.page-home__data {
  background: var(--c-deep);
  color: var(--c-white);
  padding: var(--sp-6) var(--page-gutter);
}

.page-home__data-inner {
  max-width: var(--page-max);
  margin-inline: auto;
}

.page-home__section-head--on-dark {
  max-width: 760px;
}

.page-home__index--on-dark {
  color: var(--c-neon);
  border-color: var(--c-neon);
}

.page-home__h2--on-dark {
  color: var(--c-white);
}

.page-home__data-lead {
  margin-top: var(--sp-2);
  color: var(--c-mist);
  line-height: 1.7;
  font-size: 1rem;
}

.page-home__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-3);
  margin-block: var(--sp-5);
}

.page-home__stat {
  border: 2px solid var(--c-steel);
  background: var(--c-deep-2);
  padding: var(--sp-3);
}

.page-home__stat-num {
  display: block;
  font-family: var(--font-head);
  font-size: clamp(34px, 5vw, 56px);
  font-weight: 800;
  color: var(--c-neon);
  line-height: 1;
}

.page-home__stat-label {
  display: block;
  margin-top: var(--sp-1);
  font-size: 0.85rem;
  color: var(--c-mist);
}

.page-home__data-visual {
  border: var(--border) solid var(--c-neon);
  box-shadow: var(--shadow-hard);
  background: var(--c-deep-2);
}

.page-home__data-visual img {
  width: 100%;
  height: auto;
}

.page-home__module-grid {
  display: grid;
  gap: var(--sp-3);
}

.page-home__module-card {
  display: block;
  position: relative;
  background: var(--c-white);
  border: var(--border) solid var(--c-ink);
  box-shadow: 6px 6px 0 rgba(11, 31, 58, 0.12);
  padding: var(--sp-4) var(--sp-3);
  text-decoration: none;
  color: var(--c-ink);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-home__module-card:hover,
.page-home__module-card:focus-visible {
  transform: translate(-4px, -4px);
  box-shadow: var(--shadow-hard);
  border-color: var(--c-neon);
}

.page-home__module-no {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--c-steel);
  margin-bottom: var(--sp-2);
}

.page-home__module-title {
  font-family: var(--font-head);
  font-size: 1.35rem;
  font-weight: 600;
  margin: 0 0 var(--sp-1);
}

.page-home__module-card p {
  margin: 0;
  color: var(--c-steel);
  line-height: 1.5;
  font-size: 0.92rem;
}

@media (min-width: 640px) {
  .page-home__fix-list {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-5);
  }

  .page-home__module-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 700px) {
  .page-home__stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 880px) {
  .page-home__hero-inner {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: var(--sp-6);
  }

  .page-home__fix-panel {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: stretch;
  }

  .page-home__fix-panel img {
    height: 100%;
    max-height: none;
    object-fit: cover;
  }

  .page-home__guide-shell {
    grid-template-columns: 1.1fr 0.9fr;
  }

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

@media (min-width: 1024px) {
  .page-home__hero {
    padding-top: var(--sp-6);
    padding-bottom: var(--sp-7);
  }

  .page-home__guide-shell {
    padding: var(--sp-6);
  }

  .page-home__fix-panel {
    padding: var(--sp-5);
  }
}

.page-home {
  --step: 1rem;
}