/* P4 · Dark canvas · node graph as page language · green live accent */
body.lp-p4 {
  --page: #07080b;
  --lp-ink: #eef2f0;
  --lp-mute: #9ca3af;
  --lp-line: rgb(63 211 162 / 0.18);
  --lp-surface: #0e1114;
  --lp-accent: #3fd3a2;
  --lp-on-accent: #07110c;
  --lp-ico-bg: rgb(7 8 11 / 0.2);
  --lp-bezel: rgb(63 211 162 / 0.06);
  background:
    radial-gradient(900px 420px at 88% 8%, rgb(63 211 162 / 0.08), transparent 55%),
    #07080b;
  color: #eef2f0;
}

.p4-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 40px;
  align-items: center;
  padding: 28px 0 64px;
}
.p4-hero h1 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 4.2vw, 3.4rem);
  letter-spacing: -0.045em;
  line-height: 1.08;
  max-width: 16ch;
}
.p4-hero .lead { margin: 0 0 22px; color: #9ca3af; max-width: 34ch; }

.p4-canvas {
  min-height: 340px;
  position: relative;
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgb(255 255 255 / 0.02), transparent),
    #0b0e11;
  overflow: hidden;
}
.p4-canvas svg { width: 100%; height: 340px; display: block; }
.p4-node {
  fill: #12171c;
  stroke: rgb(63 211 162 / 0.45);
  stroke-width: 1.2;
}
.p4-node-on { stroke: #3fd3a2; }
.p4-edge { stroke: rgb(63 211 162 / 0.35); stroke-width: 1.4; fill: none; }
.p4-label { fill: #d1d5db; font-size: 11px; font-family: var(--mono); }

.p4-cmd { padding: 24px 0 80px; }
.p4-cmp { padding: 24px 0 80px; }
.p4-cmp h2 {
  margin: 0 0 20px;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: -0.03em;
}
.p4-cmp dl {
  display: grid;
  gap: 0;
  max-width: 720px;
}
.p4-cmp dt {
  font-weight: 800;
  padding-top: 18px;
}
.p4-cmp dd {
  margin: 6px 0 0;
  color: #9ca3af;
  padding-bottom: 18px;
  border-bottom: 1px solid rgb(255 255 255 / 0.08);
  max-width: 62ch;
}

.p4-price { padding: 8px 0 80px; }
.p4-price-num {
  font-size: clamp(3rem, 6vw, 4.8rem);
  font-weight: 900;
  letter-spacing: -0.05em;
  color: #3fd3a2;
}
.p4-price p { color: #9ca3af; max-width: 44ch; }
.p4-faq { padding: 48px 0 80px; }
.p4-faq h2 { margin: 0 0 14px; }

@media (min-width: 1024px) {
  .p4-hero { min-height: calc(100dvh - 108px); padding-top: 32px; }
}
@media (max-width: 768px) {
  .p4-hero { grid-template-columns: 1fr; padding: 18px 0 40px; }
  .p4-hero h1 { max-width: none; }
  .p4-canvas { min-height: 240px; }
  .p4-canvas svg { height: 240px; }
}