:root {
  --ink: #0f172a;
  --ink-soft: #1f2937;
  --bg: #0b1021;
  --card: #11182d;
  --accent: #00c2a8;
  --accent-2: #ff8a3d;
  --muted: #94a3b8;
  --border: #1f2a44;
  --radius: 14px;
  --shadow: 0 15px 45px rgba(0, 0, 0, 0.25);
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Noto Sans JP", "Work Sans", "Helvetica Neue", Arial, sans-serif;
  background: radial-gradient(circle at 20% 20%, rgba(0, 194, 168, 0.14), transparent 30%),
    radial-gradient(circle at 80% 0%, rgba(255, 138, 61, 0.14), transparent 35%),
    #0c1228;
  color: #e5e7eb;
  line-height: 1.6;
  min-height: 100vh;
}

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

img {
  max-width: 100%;
  display: block;
}

main {
  padding: 40px 24px 80px;
  max-width: 1200px;
  margin: 0 auto;
}

.top-bar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(12, 18, 40, 0.8);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-mark {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.brand-name {
  font-size: 15px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav ul {
  display: flex;
  list-style: none;
  gap: 16px;
  padding: 0;
  margin: 0;
}

.nav a {
  padding: 8px 10px;
  border-radius: 10px;
  color: #e2e8f0;
  font-size: 14px;
  transition: background 0.2s ease, color 0.2s ease;
}

.nav a:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}

.nav-toggle {
  display: none;
  background: #11182d;
  color: #e5e7eb;
  border: 1px solid var(--border);
  padding: 10px 12px;
  border-radius: 10px;
}

.cta-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.link-ghost {
  padding: 9px 12px;
  color: #cbd5e1;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 16px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #00a78f);
  color: #041019;
  border: none;
  box-shadow: 0 12px 30px rgba(0, 194, 168, 0.25);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 40px rgba(0, 194, 168, 0.3);
}

.btn-secondary {
  border: 1px solid var(--border);
  color: #e5e7eb;
  background: rgba(255, 255, 255, 0.04);
}

.hero {
  margin-top: 40px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: radial-gradient(circle at 15% 20%, rgba(0, 194, 168, 0.16), transparent 32%),
    radial-gradient(circle at 90% 10%, rgba(255, 138, 61, 0.16), transparent 35%),
    linear-gradient(120deg, #0e1632, #0a1127);
  padding: 36px;
  display: grid;
  grid-template-columns: 2fr 1.1fr;
  gap: 32px;
  align-items: center;
  box-shadow: var(--shadow);
}

.hero__content h1 {
  margin: 8px 0 12px;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.2;
  color: #f8fafc;
}

.hero__content .lead {
  color: #cbd5e1;
  margin: 0 0 18px;
  font-size: 16px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 12px;
  color: var(--accent);
  font-weight: 700;
}

.hero__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0;
}

.hero__pills span {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  font-size: 13px;
}

.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.stat-number {
  margin: 0;
  font-size: 26px;
  font-weight: 800;
  color: #f8fafc;
}

.stat-label {
  margin: 4px 0 0;
  font-size: 13px;
  color: #cbd5e1;
}

.hero__visual {
  display: flex;
  justify-content: flex-end;
}

.hero-card {
  background: #0f172a;
  border-radius: 18px;
  border: 1px solid var(--border);
  padding: 20px;
  width: 100%;
  max-width: 360px;
  position: relative;
  box-shadow: var(--shadow);
}

.hero-card .card-label {
  margin: 0 0 12px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.hero-card ul {
  margin: 0;
  padding: 0 0 0 18px;
  color: #dbeafe;
}

.hero-card li {
  margin-bottom: 8px;
}

.card-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background: linear-gradient(135deg, var(--accent-2), #ffb057);
  color: #111827;
  padding: 6px 10px;
  border-radius: 12px;
  font-weight: 800;
  font-size: 12px;
}

.section {
  margin-top: 70px;
}

.section.alt {
  background: #0f172a;
  border-radius: 18px;
  border: 1px solid var(--border);
  padding: 32px;
  box-shadow: var(--shadow);
}

.section__header {
  max-width: 720px;
  margin-bottom: 28px;
}

.section__header h2 {
  margin: 10px 0 6px;
  font-size: 28px;
  color: #f8fafc;
}

.section__lead {
  color: #cbd5e1;
  margin: 0;
}

.grid {
  display: grid;
  gap: 16px;
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.card {
  background: #0f172a;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  box-shadow: var(--shadow);
}

.card h3 {
  margin: 0 0 10px;
  color: #f8fafc;
}

.card p {
  margin: 0;
  color: #cbd5e1;
}

.plan-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.plan-card {
  background: #0b1224;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  box-shadow: var(--shadow);
}

.plan-card ul {
  margin: 12px 0 0;
  padding-left: 18px;
  color: #dce3ef;
}

.plan-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.plan-title {
  margin: 0;
  color: #f8fafc;
  font-weight: 700;
}

.plan-price {
  margin: 0;
  font-weight: 800;
  color: var(--accent);
}

.plan-card.emphasized {
  border-color: rgba(255, 138, 61, 0.6);
  background: linear-gradient(160deg, rgba(255, 138, 61, 0.08), #0b1224);
}

.note {
  margin-top: 12px;
  color: #94a3b8;
  font-size: 13px;
}

.timeline {
  display: grid;
  gap: 14px;
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
  padding: 16px;
  border-radius: 14px;
  background: #0f172a;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.step-number {
  width: 32px;
  height: 32px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  color: #0b1224;
  display: grid;
  place-items: center;
  font-weight: 800;
}

.step h3 {
  margin: 0 0 6px;
  color: #f8fafc;
}

.step p {
  margin: 0;
  color: #cbd5e1;
}

.faq {
  display: grid;
  gap: 10px;
}

.faq details {
  background: #0f172a;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
  box-shadow: var(--shadow);
}

.faq summary {
  cursor: pointer;
  color: #f8fafc;
  font-weight: 700;
}

.faq p {
  margin: 10px 0 0;
  color: #cbd5e1;
}

.contact {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 24px;
  background: #0f172a;
  border: 1px solid var(--border);
  padding: 28px;
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.contact__channels {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.channel-label {
  margin: 0;
  color: var(--accent);
  font-weight: 700;
}

.channel-value {
  margin: 2px 0;
  font-size: 18px;
  color: #f8fafc;
  font-weight: 800;
}

.channel-note {
  margin: 0;
  color: #94a3b8;
}

.contact__form {
  display: grid;
  gap: 12px;
  background: #0b1224;
  border-radius: 14px;
  padding: 18px;
  border: 1px solid var(--border);
}

.contact__form label {
  display: grid;
  gap: 6px;
  color: #e2e8f0;
  font-size: 14px;
}

.contact__form input,
.contact__form textarea {
  width: 100%;
  background: #0f172a;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  color: #e5e7eb;
  font-size: 14px;
}

.contact__form input:focus,
.contact__form textarea:focus {
  outline: 2px solid rgba(0, 194, 168, 0.6);
  border-color: rgba(0, 194, 168, 0.4);
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #cbd5e1;
}

.footer {
  max-width: 1200px;
  margin: 40px auto;
  padding: 18px 24px 32px;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  align-items: start;
  color: #cbd5e1;
}

.footer__text {
  margin: 6px 0 0;
}

.footer__links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.footer__links a {
  padding: 6px 10px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
}

.footer__meta {
  color: #94a3b8;
  font-size: 13px;
}

@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .contact {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  main {
    padding: 28px 18px 60px;
  }

  .top-bar {
    flex-wrap: wrap;
    gap: 10px;
  }

  .nav ul {
    display: none;
    flex-direction: column;
    background: #0b1224;
    border: 1px solid var(--border);
    border-radius: 12px;
    position: absolute;
    top: 60px;
    right: 16px;
    width: 200px;
    padding: 12px;
  }

  .nav ul.is-open {
    display: flex;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .hero,
  .section.alt,
  .contact {
    padding: 22px;
  }
}