:root {
  --navy-900: #071A3D;
  --navy-800: #0B2954;
  --navy-700: #123D7A;
  --blue-600: #1B56A6;
  --blue-500: #2E7BE0;
  --blue-400: #4FA3FF;
  --cyan-400: #5EE7FF;
  --ink: #0B1220;
  --gray-600: #4B5563;
  --gray-400: #94A3B8;
  --bg-light: #F4F8FD;
  --white: #FFFFFF;
  --radius: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px rgba(11, 26, 61, 0.08);
  --shadow-md: 0 8px 24px rgba(11, 26, 61, 0.12);
  --shadow-lg: 0 20px 48px rgba(11, 26, 61, 0.18);
  --container: 1120px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  line-height: 1.75;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}
.header.is-scrolled {
  box-shadow: var(--shadow-sm);
  border-color: rgba(11, 26, 61, 0.06);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo__img { height: 32px; }

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--navy-800);
}
.nav__cta {
  background: var(--blue-500);
  color: var(--white) !important;
  padding: 10px 20px;
  border-radius: 999px;
  font-weight: 700;
}
.nav__cta:hover { background: var(--navy-700); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--navy-800);
  border-radius: 2px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn--primary {
  background: linear-gradient(135deg, var(--blue-500), var(--cyan-400));
  color: var(--navy-900);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn--ghost {
  border: 1.5px solid rgba(255, 255, 255, 0.5);
  color: var(--white);
}
.btn--ghost:hover { background: rgba(255, 255, 255, 0.1); }
.btn--light {
  background: var(--white);
  color: var(--navy-800);
}
.btn--light:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, var(--navy-900) 0%, var(--navy-800) 45%, var(--blue-600) 100%);
  color: var(--white);
  padding: 140px 0 120px;
}
.hero__decor {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(480px circle at 85% 15%, rgba(94, 231, 255, 0.28), transparent 65%),
    radial-gradient(560px circle at 10% 90%, rgba(46, 123, 224, 0.35), transparent 65%);
  pointer-events: none;
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at 60% 30%, #000 0%, transparent 70%);
  pointer-events: none;
}
.hero__wave {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  width: 100%;
  height: 60px;
  display: block;
}
.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 40px;
}
.hero__eyebrow {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--cyan-400);
  margin-bottom: 20px;
}
.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 24px;
}
.hero__title-accent {
  background: linear-gradient(135deg, var(--cyan-400), var(--blue-400));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__lead {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 620px;
  margin-bottom: 36px;
}
.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero__proof {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.hero__proof-item {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.9);
}
.hero__proof-item strong {
  color: var(--cyan-400);
  margin-right: 6px;
}

/* Hero visual */
.hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 380px;
}
.hero__orb {
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(94, 231, 255, 0.22), rgba(46, 123, 224, 0.08) 60%, transparent 75%);
  filter: blur(4px);
}
.hero__globe {
  width: min(320px, 80%);
  height: auto;
  animation: hero-spin 26s linear infinite;
}
@keyframes hero-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.hero__badge {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 10px 16px;
  border-radius: 999px;
  box-shadow: var(--shadow-md);
  white-space: nowrap;
  animation: hero-float 5s ease-in-out infinite;
}
.hero__badge--1 { top: 6%; left: -4%; animation-delay: 0s; }
.hero__badge--2 { bottom: 16%; right: -8%; animation-delay: 1.2s; }
.hero__badge--3 { bottom: -4%; left: 6%; animation-delay: 2.4s; }
@keyframes hero-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .hero__globe { animation: none; }
  .hero__badge { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* Section basics */
section { padding: 96px 0; }
.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: 16px;
  color: var(--navy-900);
}
.section-title--light { color: var(--white); }
.section-lead {
  text-align: center;
  color: var(--gray-600);
  max-width: 560px;
  margin: 0 auto 56px;
}

/* Problem / compare */
.problem { background: var(--bg-light); }
.compare {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: stretch;
  margin-bottom: 48px;
}
.compare__card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
}
.compare__card ul { display: flex; flex-direction: column; gap: 14px; }
.compare__card li {
  position: relative;
  padding-left: 22px;
  color: var(--gray-600);
  font-size: 0.95rem;
}
.compare__card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.compare__card--before li::before { background: var(--gray-400); }
.compare__card--after li::before { background: var(--blue-500); }
.compare__label {
  font-weight: 700;
  margin-bottom: 18px;
  font-size: 1.05rem;
}
.compare__card--before .compare__label { color: var(--gray-600); }
.compare__card--after .compare__label { color: var(--blue-600); }
.compare__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--blue-600);
  text-align: center;
  font-size: 0.9rem;
}
.banner {
  background: linear-gradient(135deg, var(--navy-800), var(--blue-600));
  color: var(--white);
  text-align: center;
  padding: 28px;
  border-radius: var(--radius-lg);
  font-weight: 700;
  font-size: 1.1rem;
  box-shadow: var(--shadow-md);
}

/* Service */
.service__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.service__item {
  background: var(--white);
  border: 1px solid rgba(11, 26, 61, 0.08);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.service__item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.service__icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: linear-gradient(135deg, rgba(46, 123, 224, 0.12), rgba(94, 231, 255, 0.18));
  border-radius: 14px;
  margin-bottom: 18px;
}
.service__item h3 { font-size: 1.1rem; margin-bottom: 10px; color: var(--navy-900); }
.service__item p { color: var(--gray-600); font-size: 0.92rem; }

/* Why */
.why {
  background: linear-gradient(160deg, var(--navy-900), var(--navy-800));
  color: var(--white);
}
.why__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.why__card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.why__num {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--cyan-400);
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}
.why__card h3 { font-size: 1.15rem; margin-bottom: 12px; }
.why__card p { color: rgba(255, 255, 255, 0.75); font-size: 0.92rem; }

/* Plans */
.plans__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}
.plan-card {
  position: relative;
  background: var(--white);
  border: 1px solid rgba(11, 26, 61, 0.08);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.plan-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.plan-card--featured {
  border-color: var(--blue-500);
  box-shadow: var(--shadow-lg);
  transform: scale(1.03);
}
.plan-card--featured:hover { transform: scale(1.03) translateY(-4px); }
.plan-card__badge {
  position: absolute;
  top: -14px;
  left: 28px;
  background: linear-gradient(135deg, var(--blue-500), var(--cyan-400));
  color: var(--navy-900);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 6px 16px;
  border-radius: 999px;
}
.plan-card__name { font-size: 1.2rem; font-weight: 800; color: var(--navy-900); }
.plan-card__tagline { color: var(--blue-600); font-weight: 600; font-size: 0.9rem; margin-bottom: 18px; }
.plan-card__price {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--navy-900);
  margin-bottom: 18px;
}
.plan-card__price span { font-size: 0.9rem; font-weight: 500; color: var(--gray-600); margin-left: 4px; }
.plan-card__desc { color: var(--gray-600); font-size: 0.9rem; margin-bottom: 20px; }
.plan-card__list { display: flex; flex-direction: column; gap: 12px; margin-bottom: 24px; }
.plan-card__list li {
  position: relative;
  padding-left: 22px;
  font-size: 0.9rem;
  color: var(--ink);
}
.plan-card__list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--blue-500);
  font-weight: 700;
}
.plan-card__note {
  font-size: 0.82rem;
  color: var(--gray-600);
  border-top: 1px solid rgba(11, 26, 61, 0.08);
  padding-top: 16px;
}

/* Company */
.company { background: var(--bg-light); }
.company__table {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  border-collapse: collapse;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.company__table tr { border-bottom: 1px solid rgba(11, 26, 61, 0.08); }
.company__table tr:last-child { border-bottom: none; }
.company__table th, .company__table td {
  text-align: left;
  padding: 18px 28px;
  font-size: 0.92rem;
}
.company__table th {
  width: 160px;
  color: var(--gray-600);
  font-weight: 600;
  background: rgba(27, 86, 166, 0.04);
}
.company__table td a { color: var(--blue-600); font-weight: 600; }
.company__table td a:hover { text-decoration: underline; }

/* Contact */
.contact {
  background: linear-gradient(135deg, var(--navy-900), var(--blue-600));
  color: var(--white);
  text-align: center;
}
.contact__lead { color: rgba(255, 255, 255, 0.85); margin-bottom: 32px; }
.contact__person { margin-top: 20px; color: rgba(255, 255, 255, 0.7); font-size: 0.9rem; }
.contact__person a { color: var(--white); text-decoration: underline; }

/* Contact form */
.contact-form {
  max-width: 560px;
  margin: 0 auto;
  text-align: left;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.contact-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.contact-form__field { margin-bottom: 20px; }
.contact-form__field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 8px;
}
.contact-form__field input,
.contact-form__field select,
.contact-form__field textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.95);
  color: var(--ink);
  font-family: inherit;
  font-size: 0.95rem;
}
.contact-form__field textarea { min-height: 120px; resize: vertical; }
.contact-form__field input:focus,
.contact-form__field select:focus,
.contact-form__field textarea:focus {
  outline: none;
  border-color: var(--cyan-400);
  box-shadow: 0 0 0 3px rgba(94, 231, 255, 0.25);
}
.contact-form__submit { width: 100%; border: none; cursor: pointer; }

/* Footer */
.footer { padding: 32px 0; background: var(--navy-900); color: rgba(255, 255, 255, 0.6); }
.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 0.85rem;
}
.footer__brand { display: flex; align-items: center; gap: 12px; }
.footer__icon { width: 24px; height: 24px; }
.footer__legal a { color: rgba(255, 255, 255, 0.5); text-decoration: underline; }
.footer__legal a:hover { color: rgba(255, 255, 255, 0.8); }

/* Responsive */
@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { height: 280px; order: -1; }
  .compare { grid-template-columns: 1fr; }
  .compare__arrow { padding: 8px 0; }
  .service__grid { grid-template-columns: 1fr; }
  .why__grid { grid-template-columns: 1fr; }
  .plans__grid { grid-template-columns: 1fr; }
  .plan-card--featured { transform: none; }
  .plan-card--featured:hover { transform: translateY(-4px); }
}

@media (max-width: 720px) {
  .contact-form { padding: 24px 20px; }
  .contact-form__row { grid-template-columns: 1fr; gap: 0; }
  .nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px 28px;
    gap: 18px;
    box-shadow: var(--shadow-md);
    display: none;
  }
  .nav.is-open { display: flex; }
  .nav__cta { align-self: flex-start; }
  .nav-toggle { display: flex; }
  .hero { padding: 110px 0 72px; }
  .hero__br { display: none; }
  section { padding: 64px 0; }
  .company__table th { width: 110px; padding: 14px 16px; font-size: 0.85rem; }
  .company__table td { padding: 14px 16px; font-size: 0.85rem; }
}