:root {
  --bg: #f4f6f8;
  --bg-soft: #eef2f6;
  --card: #ffffff;
  --text: #16212d;
  --muted: #5f6f82;
  --border: #dce3eb;
  --accent: #e76f00;
  --accent-blue: #5382a1;
  --accent-soft: rgba(231, 111, 0, 0.12);
  --blue-soft: rgba(83, 130, 161, 0.12);
  --shadow: 0 18px 44px rgba(34, 43, 56, 0.1);
  --radius: 24px;
  --max-width: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family:
    -apple-system,
    BlinkMacSystemFont,
    "Hiragino Sans",
    "Yu Gothic UI",
    "Segoe UI",
    sans-serif;
  line-height: 1.7;
  background:
    radial-gradient(circle at top right, rgba(231, 111, 0, 0.1), transparent 28%),
    linear-gradient(180deg, #fafbfc 0%, #f4f6f8 45%, #edf1f5 100%);
}

a {
  color: var(--accent-blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(var(--max-width), calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(22, 33, 45, 0.06);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(231, 111, 0, 0.12), rgba(83, 130, 161, 0.16));
  border: 1px solid rgba(22, 33, 45, 0.08);
  color: var(--accent);
  font-size: 22px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.nav a {
  color: var(--muted);
  font-size: 0.95rem;
}

.hero {
  padding: 72px 0 40px;
}

.hero-card {
  padding: 38px;
  border-radius: 32px;
  background: linear-gradient(135deg, #fff8f2, #ffffff 42%, #f6fbff 100%);
  border: 1px solid rgba(22, 33, 45, 0.08);
  box-shadow: var(--shadow);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.95fr);
  gap: 24px;
  align-items: stretch;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-panel {
  padding: 24px;
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(22, 33, 45, 0.08);
  box-shadow: 0 14px 32px rgba(34, 43, 56, 0.08);
}

.hero-panel h2,
.hero-panel h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.hero-panel p {
  margin: 0;
  color: var(--muted);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 800;
}

.hero h1 {
  margin: 0 0 14px;
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 1.1;
}

.hero p {
  margin: 0;
  max-width: 760px;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 14px;
  border: 1px solid transparent;
  font-weight: 800;
  text-decoration: none;
}

.button-primary {
  background: var(--accent);
  color: #ffffff;
}

.button-secondary {
  background: #ffffff;
  border-color: var(--border);
  color: var(--text);
}

.button:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.section {
  padding: 28px 0;
}

.section h2 {
  margin: 0 0 12px;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
}

.section-intro {
  margin: 0 0 24px;
  color: var(--muted);
}

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

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.card,
.lang-card,
.footer-card {
  padding: 24px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.card,
.lang-card,
.footer-card,
.step {
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    border-color 160ms ease;
}

.card:hover,
.lang-card:hover,
.footer-card:hover,
.step:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 48px rgba(34, 43, 56, 0.12);
  border-color: rgba(83, 130, 161, 0.2);
}

.card h3,
.lang-card h3 {
  margin: 0 0 10px;
  font-size: 1.12rem;
}

.card p,
.card li,
.lang-card p,
.lang-card li,
.faq-item p,
.policy-section p,
.policy-section li {
  color: var(--muted);
}

.simple-list,
.policy-list {
  margin: 0;
  padding-left: 20px;
}

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

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(22, 33, 45, 0.08);
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 700;
}

.pill::before {
  content: "●";
  color: var(--accent);
  font-size: 0.72rem;
}

.stats-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stat-card {
  padding: 22px;
  border-radius: 24px;
  background: linear-gradient(180deg, #ffffff 0%, rgba(255, 255, 255, 0.92) 100%);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.stat-value {
  display: block;
  margin-bottom: 6px;
  color: var(--text);
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  font-weight: 800;
  line-height: 1.1;
}

.stat-label {
  color: var(--muted);
  font-size: 0.94rem;
}

.check-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 24px;
  color: var(--muted);
}

.check-list li + li {
  margin-top: 10px;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-weight: 800;
}

.info-stack {
  display: grid;
  gap: 14px;
}

.hero-note {
  margin-top: 16px;
  color: var(--muted);
  font-size: 0.95rem;
}

.lang-label {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--accent-blue);
  font-size: 0.85rem;
  font-weight: 800;
}

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

.step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 14px;
  align-items: start;
  padding: 18px;
  border-radius: 20px;
  background: #ffffff;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 800;
  font-size: 1.1rem;
}

.step h3 {
  margin: 0 0 6px;
}

.step p {
  margin: 0;
  color: var(--muted);
}

.notice {
  padding: 18px 20px;
  border-radius: 20px;
  background: #fff5ea;
  border: 1px solid rgba(231, 111, 0, 0.18);
  color: #8f4d10;
}

.policy-meta {
  margin-bottom: 24px;
  color: var(--muted);
  font-size: 0.95rem;
}

.faq-item + .faq-item,
.policy-section + .policy-section {
  margin-top: 14px;
}

.faq-item h3,
.policy-section h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.footer {
  padding: 48px 0 56px;
  color: var(--muted);
  font-size: 0.95rem;
}

.small {
  font-size: 0.92rem;
}

.muted {
  color: var(--muted);
}

@media (max-width: 860px) {
  .grid-2,
  .grid-3,
  .lang-grid,
  .stats-grid,
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-card,
  .card,
  .lang-card,
  .footer-card {
    padding: 22px;
  }
}

@media (max-width: 560px) {
  .site-header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    padding-top: 48px;
  }

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