:root {
  --bg: #030711;
  --bg-soft: #07111f;
  --panel: rgba(13, 25, 43, 0.78);
  --panel-strong: rgba(14, 31, 54, 0.92);
  --line: rgba(148, 163, 184, 0.18);
  --text: #f7fbff;
  --muted: #aebbd0;
  --muted-strong: #d6deec;
  --cyan: #39d9ff;
  --blue: #4d7cff;
  --emerald: #31e6b0;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  font-family: "Inter", "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  line-height: 1.7;
  background:
    radial-gradient(circle at 80% 8%, rgba(57, 217, 255, 0.14), transparent 30%),
    radial-gradient(circle at 15% 20%, rgba(49, 230, 176, 0.1), transparent 28%),
    linear-gradient(180deg, #030711 0%, #07111e 48%, #030711 100%);
}

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

button {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 18px 0;
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand-mark {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid rgba(57, 217, 255, 0.45);
  border-radius: var(--radius);
  color: var(--cyan);
  background: linear-gradient(145deg, rgba(57, 217, 255, 0.1), rgba(77, 124, 255, 0.1));
}

.header-nav {
  display: flex;
  gap: 24px;
  color: var(--muted);
  font-size: 0.92rem;
}

.header-nav a:hover {
  color: var(--text);
}

.nav-cta,
.button {
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.nav-cta {
  padding: 10px 16px;
  color: var(--text);
  border: 1px solid rgba(57, 217, 255, 0.42);
  background: rgba(57, 217, 255, 0.1);
}

.nav-cta:hover,
.button:hover {
  transform: translateY(-2px);
}

.section {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 96px 0;
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.section.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.98fr);
  align-items: center;
  gap: 58px;
  min-height: calc(100vh - 76px);
  padding-top: 76px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 790px;
  margin-bottom: 24px;
  font-size: clamp(2.4rem, 6vw, 5.5rem);
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(1.8rem, 3.4vw, 3.25rem);
  line-height: 1.22;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.25rem;
  line-height: 1.35;
}

.hero-lead,
.section-text {
  max-width: 740px;
  color: var(--muted-strong);
  font-size: 1.06rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.hero-actions.centered {
  justify-content: center;
}

.button {
  min-height: 54px;
  padding: 14px 22px;
  font-weight: 800;
}

.button-primary {
  color: #03121f;
  background: linear-gradient(135deg, var(--cyan), var(--emerald));
  box-shadow: 0 16px 34px rgba(49, 230, 176, 0.18);
}

.button-secondary {
  color: var(--text);
  border: 1px solid rgba(214, 222, 236, 0.2);
  background: rgba(255, 255, 255, 0.06);
}

.button:focus-visible,
.nav-cta:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(57, 217, 255, 0.45);
  outline-offset: 3px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 44px 0 0;
}

.hero-stats div {
  min-height: 92px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.035);
}

.hero-stats dt {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.hero-stats dd {
  margin: 8px 0 0;
  color: var(--text);
  font-weight: 700;
}

.hero-visual {
  position: relative;
  min-height: 560px;
}

.market-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(13, 25, 43, 0.94), rgba(4, 12, 24, 0.84));
  box-shadow: var(--shadow);
}

.panel-main {
  position: absolute;
  inset: 34px 24px auto 0;
  padding: 24px;
}

.panel-top,
.signal-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.panel-top {
  margin-bottom: 28px;
  color: var(--muted-strong);
  font-weight: 800;
}

.status-dot {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--emerald);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.status-dot::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--emerald);
  box-shadow: 0 0 18px rgba(49, 230, 176, 0.9);
}

.chart {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  align-items: end;
  gap: 12px;
  height: 188px;
  margin-bottom: 26px;
  padding: 18px;
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-radius: var(--radius);
  background:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px) 0 0 / 100% 33%,
    rgba(255, 255, 255, 0.03);
}

.chart span {
  display: block;
  border-radius: 6px 6px 0 0;
  background: linear-gradient(180deg, var(--cyan), rgba(77, 124, 255, 0.28));
}

.signal-row {
  min-height: 56px;
  margin-top: 10px;
  padding: 12px 14px;
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.035);
}

.signal-row span {
  color: var(--muted);
  font-size: 0.84rem;
}

.signal-row em {
  color: var(--emerald);
  font-style: normal;
  font-weight: 800;
}

.panel-small {
  position: absolute;
  width: 220px;
  padding: 18px;
}

.panel-route {
  right: 0;
  top: 0;
}

.panel-alert {
  right: 44px;
  bottom: 20px;
}

.mini-title {
  display: block;
  margin-bottom: 12px;
  color: var(--cyan);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.route-line {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
  color: var(--muted-strong);
}

.route-line span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--emerald);
}

.panel-alert p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 34px;
}

.section-heading.wide {
  max-width: 980px;
}

.section-heading.compact {
  margin-bottom: 0;
}

.card-grid {
  display: grid;
  gap: 18px;
}

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

.three-columns {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card,
.feature-card,
.checklist-card,
.notice-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 18px 56px rgba(0, 0, 0, 0.18);
}

.card {
  min-height: 190px;
  padding: 24px;
}

.card-number,
.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 32px;
  margin-bottom: 20px;
  border: 1px solid rgba(57, 217, 255, 0.3);
  border-radius: var(--radius);
  color: var(--cyan);
  font-size: 0.8rem;
  font-weight: 800;
  background: rgba(57, 217, 255, 0.08);
}

.card p,
.feature-card p {
  margin-bottom: 0;
  color: var(--muted-strong);
}

.comparison-table {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.compare-row {
  display: grid;
  grid-template-columns: 240px 1fr;
}

.compare-row + .compare-row {
  border-top: 1px solid var(--line);
}

.compare-row span {
  padding: 22px 24px;
}

.compare-row span:first-child {
  color: var(--text);
  font-weight: 800;
  background: rgba(255, 255, 255, 0.03);
}

.compare-row span:last-child {
  color: var(--muted-strong);
}

.compare-head span {
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.final-trade {
  background: linear-gradient(90deg, rgba(57, 217, 255, 0.12), rgba(49, 230, 176, 0.08));
}

.feature-card {
  min-height: 270px;
  padding: 28px;
}

.diagnosis-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.75fr);
  gap: 40px;
  align-items: center;
  padding: 42px;
  border: 1px solid rgba(57, 217, 255, 0.22);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(57, 217, 255, 0.08), rgba(49, 230, 176, 0.04)),
    rgba(6, 17, 31, 0.78);
}

.checklist-card {
  padding: 28px;
  background: var(--panel-strong);
}

.checklist-card ul {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.checklist-card li {
  position: relative;
  padding-left: 30px;
  color: var(--muted-strong);
}

.checklist-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--emerald));
}

.step-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.step-list li {
  min-height: 178px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.step-list span {
  display: block;
  margin-bottom: 28px;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.step-list strong {
  display: block;
  color: var(--muted-strong);
  font-size: 1.05rem;
  line-height: 1.55;
}

.notice {
  padding-top: 32px;
}

.notice-card {
  padding: 30px;
  border-color: rgba(214, 222, 236, 0.22);
}

.notice-card h2 {
  margin-bottom: 14px;
  font-size: 1.3rem;
}

.notice-card p {
  margin-bottom: 8px;
  color: var(--muted-strong);
}

.final-cta {
  padding-top: 64px;
}

.final-cta-inner {
  padding: 56px 28px;
  text-align: center;
  border: 1px solid rgba(57, 217, 255, 0.24);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(57, 217, 255, 0.12), rgba(77, 124, 255, 0.08), rgba(49, 230, 176, 0.08)),
    rgba(6, 17, 31, 0.86);
  box-shadow: var(--shadow);
}

.final-cta h2 {
  max-width: 820px;
  margin-right: auto;
  margin-left: auto;
}

.site-footer {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 40px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

@media (max-width: 980px) {
  .site-header {
    width: min(100% - 28px, 1180px);
  }

  .header-nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 52px;
  }

  .hero-visual {
    min-height: 500px;
  }

  .four-columns,
  .three-columns,
  .step-list,
  .diagnosis-layout {
    grid-template-columns: 1fr 1fr;
  }

  .diagnosis-layout {
    align-items: start;
  }
}

@media (max-width: 720px) {
  .site-header {
    gap: 12px;
    padding: 14px 0;
  }

  .brand span:last-child {
    display: none;
  }

  .nav-cta {
    padding: 9px 12px;
    font-size: 0.86rem;
  }

  .section {
    width: min(100% - 28px, 1180px);
    padding: 68px 0;
  }

  .hero {
    padding-top: 40px;
    gap: 34px;
  }

  h1 {
    font-size: clamp(2.25rem, 12vw, 3.35rem);
  }

  .hero-actions,
  .hero-actions.centered {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .hero-stats,
  .four-columns,
  .three-columns,
  .step-list,
  .diagnosis-layout {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 560px;
  }

  .panel-main {
    inset: 42px 0 auto 0;
    padding: 18px;
  }

  .panel-small {
    width: min(230px, 82vw);
  }

  .panel-route {
    right: 0;
    top: 0;
  }

  .panel-alert {
    right: 14px;
    bottom: 0;
  }

  .chart {
    gap: 8px;
    height: 154px;
    padding: 14px;
  }

  .compare-row {
    grid-template-columns: 1fr;
  }

  .compare-row span:first-child {
    padding-bottom: 8px;
  }

  .compare-row span:last-child {
    padding-top: 8px;
  }

  .diagnosis-layout,
  .final-cta-inner {
    padding: 28px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}