:root {
  color-scheme: light;
  --ink: #142033;
  --muted: #5e6b7d;
  --blue: #0876e8;
  --blue-dark: #0757ad;
  --blue-soft: #eaf4ff;
  --green: #0c9b69;
  --line: #dce4ee;
  --surface: #ffffff;
  --background: #f4f7fb;
  --shadow: 0 16px 45px rgba(30, 68, 112, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 90% 0%, rgba(8, 118, 232, 0.1), transparent 30rem),
    var(--background);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic UI", "Yu Gothic", sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--blue-dark);
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--blue);
}

a:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(8, 118, 232, 0.35);
  outline-offset: 4px;
  border-radius: 6px;
}

.site-header {
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(220, 228, 238, 0.9);
  backdrop-filter: blur(16px);
}

.header-inner,
.page-shell,
.footer-inner {
  width: min(100% - 40px, 980px);
  margin-inline: auto;
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-size: 0.98rem;
  font-weight: 750;
  text-decoration: none;
  letter-spacing: 0.01em;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(145deg, var(--blue), #3ea6ff);
  border-radius: 11px;
  box-shadow: 0 7px 18px rgba(8, 118, 232, 0.24);
  font-size: 1.28rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.9rem;
  font-weight: 650;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
}

.site-nav a[aria-current="page"] {
  color: var(--blue-dark);
}

.page-shell {
  padding-block: 68px 88px;
}

.hero {
  padding: clamp(30px, 6vw, 58px);
  overflow: hidden;
  position: relative;
  color: #fff;
  background: linear-gradient(140deg, #064891, #0876e8 65%, #2b96f5);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.hero::after {
  content: "";
  width: 270px;
  height: 270px;
  position: absolute;
  right: -85px;
  bottom: -120px;
  border: 44px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.hero h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.hero p {
  max-width: 700px;
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
  position: relative;
  z-index: 1;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-weight: 750;
  text-decoration: none;
}

.button-primary {
  color: var(--blue-dark);
  background: #fff;
}

.button-primary:hover {
  color: var(--blue);
}

.button-secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.08);
}

.button-secondary:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.16);
}

.section {
  margin-top: 58px;
}

.section-heading {
  margin-bottom: 22px;
}

.section-heading h2,
.content-card h2 {
  margin: 0;
  font-size: clamp(1.45rem, 3vw, 2rem);
  line-height: 1.4;
}

.section-heading p {
  margin: 8px 0 0;
  color: var(--muted);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.card,
.content-card,
.faq-list details,
.contact-card {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: 0 10px 30px rgba(31, 57, 89, 0.055);
}

.card {
  padding: 24px;
  border-radius: 18px;
}

.step-number {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  color: #fff;
  background: var(--blue);
  border-radius: 50%;
  font-weight: 800;
}

.card h3 {
  margin: 0;
  font-size: 1.05rem;
}

.card p {
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  border-radius: 15px;
}

.faq-list summary {
  padding: 18px 52px 18px 20px;
  position: relative;
  cursor: pointer;
  font-weight: 720;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 20px;
  color: var(--blue);
  font-size: 1.45rem;
  transform: translateY(-50%);
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-answer {
  padding: 0 20px 20px;
  color: var(--muted);
}

.faq-answer p {
  margin: 0;
}

.contact-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: clamp(24px, 5vw, 38px);
  border-radius: 20px;
}

.contact-card h2 {
  margin: 0;
}

.contact-card p {
  max-width: 600px;
  margin: 8px 0 0;
  color: var(--muted);
}

.contact-card .button {
  flex: 0 0 auto;
  color: #fff;
  background: var(--blue);
}

.content-card {
  padding: clamp(26px, 5vw, 52px);
  border-radius: 24px;
}

.content-card > :first-child {
  margin-top: 0;
}

.content-card h2 {
  margin-top: 2.1em;
  font-size: 1.35rem;
}

.content-card h3 {
  margin: 1.6em 0 0.4em;
  font-size: 1.05rem;
}

.content-card p,
.content-card li {
  color: #3f4d5f;
}

.content-card ul {
  padding-left: 1.4em;
}

.notice {
  padding: 18px 20px;
  color: #29415b;
  background: var(--blue-soft);
  border-left: 4px solid var(--blue);
  border-radius: 10px;
}

.data-table-wrap {
  margin-top: 16px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.data-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 0.91rem;
}

.data-table th,
.data-table td {
  padding: 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.data-table tr:last-child td {
  border-bottom: 0;
}

.data-table th {
  color: #344457;
  background: #f7f9fc;
}

.updated {
  margin-top: 36px;
  color: var(--muted);
  font-size: 0.88rem;
}

.site-footer {
  padding-block: 30px;
  color: var(--muted);
  background: #fff;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

@media (max-width: 760px) {
  .header-inner {
    min-height: auto;
    padding-block: 14px;
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .site-nav {
    width: 100%;
    justify-content: space-between;
  }

  .page-shell {
    padding-block: 34px 60px;
  }

  .hero {
    border-radius: 20px;
  }

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

  .contact-card,
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .contact-card .button {
    width: 100%;
  }
}

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