:root {
  --ink: #e9f7ff;
  --muted: #93a9bd;
  --line: rgba(87, 235, 255, 0.24);
  --paper: rgba(7, 19, 30, 0.84);
  --wash: #061018;
  --green: #0f766e;
  --blue: #00d9ff;
  --red: #b42345;
  --gold: #ffd166;
  --pink: #ff2bd6;
  --j-red: #ff174d;
  --j-yellow: #ffd43b;
  --j-green: #29ff8a;
  --j-blue: #23b7ff;
  --j-purple: #b35cff;
  --night: #061018;
  --panel: rgba(7, 19, 30, 0.78);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--wash);
  font-family: Arial, "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  letter-spacing: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 5vw, 64px);
  background: rgba(4, 10, 18, 0.86);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
  box-shadow:
    inset 0 -1px 0 rgba(255, 212, 59, 0.18),
    0 0 28px rgba(0, 217, 255, 0.08);
}

.topbar::after {
  content: "";
  position: absolute;
  right: clamp(18px, 5vw, 64px);
  bottom: -1px;
  left: clamp(18px, 5vw, 64px);
  height: 1px;
  background: linear-gradient(90deg, var(--j-red), var(--j-yellow), var(--j-green), var(--j-blue), var(--j-purple));
  opacity: 0.62;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: #f6fbff;
  text-shadow: 0 0 18px rgba(0, 217, 255, 0.55);
}

.brand-mark {
  width: 32px;
  height: 32px;
  display: block;
  border-radius: 7px;
  object-fit: cover;
  background: #050b14;
  box-shadow: 0 0 18px rgba(0, 217, 255, 0.42);
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: #a7bdd0;
  font-size: 14px;
}

.nav a:hover {
  color: #f6fbff;
}

.nav-cta {
  color: #041018;
  background: linear-gradient(90deg, var(--blue), #8bf7ff);
  padding: 9px 13px;
  border-radius: 6px;
  box-shadow: 0 0 22px rgba(0, 217, 255, 0.35);
}

.hero {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(360px, 1.12fr);
  gap: clamp(28px, 5vw, 64px);
  min-height: calc(100vh - 64px);
  padding: clamp(42px, 7vw, 82px) clamp(18px, 5vw, 64px) 32px;
  align-items: center;
  background:
    linear-gradient(90deg, rgba(6, 16, 24, 0.95) 0%, rgba(6, 16, 24, 0.82) 40%, rgba(6, 16, 24, 0.28) 100%),
    linear-gradient(180deg, rgba(4, 8, 15, 0.25), rgba(4, 8, 15, 0.92)),
    url("./assets/naniutsu-header-background.png") center right / cover no-repeat;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(0, 217, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 217, 255, 0.08) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0.75), transparent 75%);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -12% -26% -12%;
  height: 54%;
  pointer-events: none;
  background:
    radial-gradient(circle at 15% 38%, rgba(255, 23, 77, 0.22), transparent 16%),
    radial-gradient(circle at 30% 48%, rgba(255, 212, 59, 0.2), transparent 15%),
    radial-gradient(circle at 47% 42%, rgba(41, 255, 138, 0.16), transparent 16%),
    radial-gradient(circle at 64% 48%, rgba(35, 183, 255, 0.18), transparent 15%),
    radial-gradient(circle at 78% 39%, rgba(179, 92, 255, 0.2), transparent 16%);
  filter: blur(8px);
}

.hero-copy,
.hero-visual {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  text-shadow: 0 0 18px rgba(0, 217, 255, 0.7);
}

h1,
h2,
h3,
p {
  letter-spacing: 0;
}

h1 {
  margin: 0;
  max-width: 760px;
  color: #f7fcff;
  font-size: clamp(32px, 4.4vw, 58px);
  line-height: 1.08;
  text-shadow:
    0 0 18px rgba(0, 217, 255, 0.48),
    0 0 38px rgba(255, 43, 214, 0.26),
    0 0 56px rgba(255, 212, 59, 0.12);
}

.hero-store,
.hero-promise {
  display: block;
}

.hero-store {
  margin-bottom: 10px;
  color: #c6f8ff;
  font-size: 0.72em;
}

h2 {
  margin: 0;
  font-size: clamp(26px, 3.5vw, 42px);
  line-height: 1.12;
}

h3 {
  margin: 0;
  font-size: 20px;
}

.lead {
  max-width: 650px;
  margin: 22px 0 0;
  color: #bed0df;
  font-size: 18px;
  line-height: 1.85;
}

.signal-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.signal-strip span {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  border: 1px solid rgba(0, 217, 255, 0.36);
  border-radius: 6px;
  padding: 0 12px;
  color: #d8fbff;
  background: rgba(2, 15, 25, 0.58);
  box-shadow: inset 0 0 18px rgba(0, 217, 255, 0.08), 0 0 18px rgba(0, 217, 255, 0.14);
  font-size: 13px;
  font-weight: 700;
}

.signal-strip span:nth-child(1) {
  border-color: rgba(255, 212, 59, 0.5);
  box-shadow: inset 0 0 18px rgba(255, 212, 59, 0.08), 0 0 18px rgba(255, 212, 59, 0.16);
}

.signal-strip span:nth-child(2) {
  border-color: rgba(41, 255, 138, 0.42);
  box-shadow: inset 0 0 18px rgba(41, 255, 138, 0.08), 0 0 18px rgba(41, 255, 138, 0.14);
}

.signal-strip span:nth-child(3) {
  border-color: rgba(255, 23, 77, 0.42);
  box-shadow: inset 0 0 18px rgba(255, 23, 77, 0.08), 0 0 18px rgba(255, 23, 77, 0.14);
}

.juggle-lights {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  width: min(360px, 100%);
  margin-top: 22px;
}

.juggle-lights span {
  height: 5px;
  border-radius: 999px;
  background: var(--j-blue);
  box-shadow: 0 0 18px currentColor;
}

.juggle-lights span:nth-child(1) {
  color: var(--j-red);
  background: var(--j-red);
}

.juggle-lights span:nth-child(2) {
  color: var(--j-yellow);
  background: var(--j-yellow);
}

.juggle-lights span:nth-child(3) {
  color: var(--j-green);
  background: var(--j-green);
}

.juggle-lights span:nth-child(4) {
  color: var(--j-blue);
  background: var(--j-blue);
}

.juggle-lights span:nth-child(5) {
  color: var(--j-purple);
  background: var(--j-purple);
}

.hero-actions,
.apply-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 7px;
  font-weight: 700;
}

.primary {
  color: #021018;
  background: linear-gradient(90deg, var(--j-yellow), var(--j-green), var(--j-blue));
  box-shadow:
    0 0 24px rgba(0, 217, 255, 0.34),
    0 0 18px rgba(255, 212, 59, 0.2);
}

.secondary {
  color: #f2fbff;
  background: rgba(7, 19, 30, 0.58);
  border: 1px solid rgba(255, 23, 77, 0.44);
  box-shadow: inset 0 0 18px rgba(255, 23, 77, 0.08);
}

.capacity {
  margin-top: 18px;
  color: #9eb1c2;
}

.hero-visual {
  margin: 0;
  transform: perspective(1400px) rotateY(-5deg) rotateX(2deg);
}

.mock-panel {
  width: 100%;
  min-height: 420px;
  display: grid;
  align-content: space-between;
  gap: 24px;
  padding: clamp(20px, 4vw, 34px);
  border: 1px solid rgba(0, 217, 255, 0.42);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(5, 15, 26, 0.95), rgba(10, 24, 38, 0.75)),
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: auto, 28px 28px, 28px 28px;
  box-shadow:
    0 0 0 1px rgba(255, 43, 214, 0.18),
    0 24px 70px rgba(0, 0, 0, 0.55),
    0 0 52px rgba(0, 217, 255, 0.22),
    0 0 36px rgba(255, 212, 59, 0.12);
}

.mock-head,
.mock-metrics {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: center;
}

.mock-head span {
  color: #f7fcff;
  font-size: clamp(24px, 4vw, 42px);
  font-weight: 800;
  text-shadow: 0 0 20px rgba(0, 217, 255, 0.4);
}

.mock-head strong {
  color: #061018;
  background: linear-gradient(90deg, var(--j-yellow), var(--j-green));
  border-radius: 6px;
  padding: 8px 12px;
  box-shadow: 0 0 22px rgba(255, 212, 59, 0.22);
  white-space: nowrap;
}

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

.mock-metrics div {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  padding: 16px;
  background: rgba(4, 13, 23, 0.72);
}

.mock-metrics span,
.mock-panel p {
  color: #9eb1c2;
}

.mock-metrics strong {
  display: block;
  margin-top: 6px;
  color: #f7fcff;
  font-size: clamp(22px, 3vw, 34px);
}

.mock-bars {
  height: 150px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  align-items: end;
  padding: 18px 0 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.28);
}

.mock-bars span {
  display: block;
  min-height: 18px;
  border-radius: 6px 6px 0 0;
  background: linear-gradient(180deg, var(--j-green), #0e7d66);
  box-shadow: 0 0 18px rgba(41, 255, 138, 0.2);
}

.mock-bars span:nth-child(1) {
  background: linear-gradient(180deg, var(--j-yellow), #a26800);
}

.mock-bars span:nth-child(2) {
  background: linear-gradient(180deg, var(--j-blue), #126c9b);
}

.mock-bars span:nth-child(3) {
  background: linear-gradient(180deg, var(--j-green), #0e7d66);
}

.mock-bars span:nth-child(4) {
  background: linear-gradient(180deg, var(--j-purple), #5f2ca0);
}

.mock-bars span.down {
  background: linear-gradient(180deg, var(--j-red), #8d1030);
}

.mock-panel p {
  margin: 0;
  line-height: 1.8;
}

.band,
.how,
.security,
.apply,
.disclaimer {
  padding: 72px clamp(18px, 5vw, 64px);
}

.band {
  background: #07131e;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-head {
  max-width: 760px;
  margin-bottom: 30px;
}

.proof-grid,
.pricing,
.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.steps {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.metric,
.pricing article,
.steps div {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  box-shadow: inset 0 0 24px rgba(0, 217, 255, 0.04);
}

.metric span,
.metric em,
.pricing p,
.steps p,
.security p,
.apply p,
.disclaimer p {
  color: var(--muted);
  line-height: 1.75;
}

.metric strong {
  display: block;
  margin: 8px 0;
  font-size: 36px;
}

.metric em {
  font-style: normal;
}

.result-table-wrap {
  margin-top: 28px;
  overflow-x: auto;
}

.proof-grid-next {
  margin-top: 48px;
  padding-top: 48px;
  border-top: 1px solid var(--line);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: rgba(7, 19, 30, 0.82);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

th,
td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  white-space: nowrap;
}

th {
  color: var(--muted);
  background: rgba(2, 15, 25, 0.9);
  font-size: 13px;
}

.pos {
  color: #4dffe1;
  font-weight: 700;
}

.neg {
  color: #ff4d8d;
  font-weight: 700;
}

.steps span {
  color: var(--blue);
  font-weight: 700;
}

.plan {
  margin-top: 0;
  color: var(--blue) !important;
  font-weight: 700;
}

.pricing h3 {
  font-size: 36px;
}

.pricing h3 span {
  color: var(--muted);
  font-size: 16px;
}

.pricing strong {
  color: #4dffe1;
}

.featured {
  border-color: var(--blue) !important;
  box-shadow: 0 0 36px rgba(0, 217, 255, 0.18);
}

.security,
.apply {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1fr);
  gap: clamp(24px, 5vw, 56px);
  align-items: start;
}

.security ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.security li {
  padding: 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.apply {
  background:
    linear-gradient(90deg, rgba(255, 43, 214, 0.14), transparent 42%),
    #081522;
  color: #f7fcff;
}

.apply .eyebrow,
.apply p {
  color: #b8c6d8;
}

.apply .secondary {
  color: #f7fcff;
  background: rgba(7, 19, 30, 0.55);
  border-color: rgba(0, 217, 255, 0.28);
}

.disclaimer {
  padding-top: 28px;
  padding-bottom: 28px;
  background: #040a12;
}

.disclaimer p {
  max-width: 980px;
  margin: 0;
  color: #c9d2df;
  font-size: 13px;
}

@media (max-width: 920px) {
  .hero,
  .security,
  .apply {
    grid-template-columns: 1fr;
  }

  .proof-grid,
  .pricing,
  .steps {
    grid-template-columns: 1fr;
  }

  .nav {
    display: none;
  }

  .hero {
    min-height: auto;
    gap: 22px;
    padding-top: 30px;
    padding-bottom: 24px;
  }

  .band,
  .how,
  .security,
  .apply {
    padding-top: 36px;
    padding-bottom: 36px;
  }

  .lead {
    margin-top: 18px;
    font-size: 16px;
    line-height: 1.65;
  }

  .signal-strip {
    margin-top: 18px;
  }

  .juggle-lights {
    margin-top: 16px;
  }

  .hero-actions {
    margin-top: 20px;
  }

  .capacity {
    margin-top: 14px;
  }

  .hero-visual {
    transform: none;
  }

  .mock-panel {
    min-height: 0;
    gap: 14px;
    padding: 18px;
  }

  .mock-metrics div {
    padding: 10px;
  }

  .mock-metrics strong {
    font-size: 20px;
  }

  .mock-bars,
  .mock-panel > p {
    display: none;
  }
}