:root {
  --blue: #1566f0;
  --blue-soft: #3b82f6;
  --navy: #0b1b3a;
  --ink: #132033;
  --muted: #5b6878;
  --line: #dce4ef;
  --bg: #f4f7fb;
  --card: #ffffff;
  --shadow: 0 24px 60px rgba(11, 27, 58, 0.1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

html[lang="ja"] .en { display: none !important; }
html[lang="en"] .ja { display: none !important; }
html:not([data-confirm-error="1"]) .bad { display: none !important; }
html[data-confirm-error="1"] .ok { display: none !important; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(980px 520px at 92% -8%, rgba(21, 102, 240, 0.18), transparent 58%),
    radial-gradient(720px 420px at -8% 8%, rgba(11, 27, 58, 0.08), transparent 55%),
    var(--bg);
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo,
    -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.8;
}

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

.wrap {
  width: min(1080px, calc(100% - 2.5rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 8;
  background: rgba(244, 247, 251, 0.86);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(220, 228, 239, 0.8);
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.2rem;
}

.header-inner .brand { grid-column: 1; }

.header-inner .menu-toggle { grid-column: 3; justify-self: end; }

.header-inner nav { grid-column: 2 / 4; justify-self: end; }

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.2rem;
}

.header-inner { min-height: 76px; }

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--navy);
  font-weight: 800;
  font-size: 1.28rem;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: block;
  object-fit: cover;
  box-shadow: 0 8px 18px rgba(21, 102, 240, 0.22);
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 1.1rem;
}

.site-header nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.94rem;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--navy);
  border-radius: 999px;
  min-height: 38px;
  padding: 0 0.9rem;
  font: inherit;
  cursor: pointer;
}

.lang {
  display: flex;
  padding: 0.16rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
}

.lang button {
  border: 0;
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  padding: 0.32rem 0.75rem;
  font: inherit;
  cursor: pointer;
}

.lang button[aria-pressed="true"] {
  background: var(--navy);
  color: #fff;
}

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3.2rem;
  align-items: center;
  padding: 5.4rem 0 3.6rem;
}

.hero > *,
.grid > * { min-width: 0; }

.kicker {
  margin: 0 0 0.9rem;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.3rem, 5vw, 4.1rem);
  line-height: 1.18;
  letter-spacing: -0.05em;
  color: var(--navy);
}

.lead {
  margin: 0 0 1.6rem;
  max-width: 36rem;
  font-size: 1.08rem;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 1.15rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
}

.button-primary {
  color: #fff;
  background: linear-gradient(180deg, #2d78ff, #1558e6);
  box-shadow: 0 12px 24px rgba(21, 102, 240, 0.24);
}

.button-ghost {
  color: var(--navy);
  background: #fff;
  border: 1px solid var(--line);
}

.phone {
  position: relative;
  min-height: 430px;
  padding: 1.4rem 1.2rem 1.6rem;
  border-radius: 36px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.16), transparent 28%),
    linear-gradient(160deg, #10284f, #163f93 48%, #1d64e8);
  box-shadow: var(--shadow);
  color: #fff;
}

.phone-bar {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  opacity: 0.72;
}

.phone-title {
  margin: 1.3rem 0 0.9rem;
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.note,
.chip {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
}

.note {
  display: flex;
  gap: 0.85rem;
  padding: 1rem;
}

.note strong { display: block; }

.note p { margin: 0.15rem 0 0; opacity: 0.86; }

.bell {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: #fff;
  display: grid;
  place-items: center;
  flex: none;
}

.bell svg { width: 20px; height: 20px; fill: var(--blue); }

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.9rem;
}

.chip {
  padding: 0.35rem 0.7rem;
  font-size: 0.82rem;
}

.section { padding: 1rem 0 4.5rem; }

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: end;
  margin-bottom: 1.4rem;
}

.section-head h2,
.prose h2 {
  margin: 0;
  color: var(--navy);
}

.section-head h2 { font-size: 1.7rem; letter-spacing: -0.04em; }

.section-head p {
  margin: 0;
  max-width: 28rem;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1rem;
}

.card,
.stat,
.prose {
  background: var(--card);
  border: 1px solid rgba(220, 228, 239, 0.9);
  box-shadow: 0 10px 30px rgba(11, 27, 58, 0.04);
}

.card {
  border-radius: 22px;
  padding: 1.25rem 1.25rem 1.3rem;
}

.card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  color: var(--navy);
}

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

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1rem;
  margin-top: 1.2rem;
}

.stat {
  border-radius: 20px;
  padding: 1.15rem 1.2rem;
}

.stat strong {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--navy);
}

.stat span { color: var(--muted); font-size: 0.95rem; }

.legal-hero {
  padding: 3.4rem 0 0.4rem;
}

.legal-hero p {
  margin: 0.7rem 0 0;
  color: var(--muted);
}

.prose {
  border-radius: 28px;
  padding: 2rem 2rem 2.4rem;
  margin: 1.4rem 0 4rem;
}

.prose h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
}

.updated {
  color: var(--muted);
  margin: 0 0 1.6rem;
}

.prose section + section { margin-top: 1.8rem; }

.prose h2 { font-size: 1.15rem; margin-bottom: 0.45rem; }

.prose p,
.prose li { margin: 0; }

.prose p + p,
.prose ul { margin-top: 0.75rem; }

.prose ul { padding-left: 1.2rem; }

.prose li + li { margin-top: 0.4rem; }

.done {
  min-height: calc(100vh - 8rem);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 4rem 0;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.8rem 0 2.4rem;
  color: var(--muted);
}

.site-footer strong { color: var(--navy); }

.site-footer p { margin: 0.2rem 0 0; }

.site-footer nav { display: flex; gap: 1.1rem; }

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

@media (max-width: 860px) {
  .hero,
  .grid,
  .stats,
  .footer-inner,
  .section-head {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: flex-start;
  }
  .header-inner {
    grid-template-columns: 1fr auto;
    min-height: 68px;
  }
  .hero { padding: 2.6rem 0 2rem; gap: 1.6rem; }
  .menu-toggle { display: inline-flex; align-items: center; }
  .site-header nav {
    display: none;
    grid-column: 1 / -1;
    width: 100%;
    padding: 0 0 1rem;
  }
  .site-header.is-open nav {
    display: flex;
    flex-wrap: wrap;
  }
  .wrap { width: min(1080px, calc(100% - 1.5rem)); }
  .prose { padding: 1.4rem 1.2rem 1.8rem; }
}