* { box-sizing: border-box; }
html { min-height: 100%; background: #032c60; }
body {
  margin: 0;
  min-height: 100%;
  color: #111827;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
  background: #032c60;
}
.lp-shell {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  /* JSが測り直すまでの既定値。足りないと最終セクションがCTAに隠れるので広めに取る。 */
  padding-bottom: calc(var(--sticky-cta-space, 260px) + env(safe-area-inset-bottom));
  background: #032c60;
}
.lp-image {
  display: block;
  width: 100%;
  height: auto;
  margin: 0;
  border: 0;
}
.sticky-cta {
  position: fixed;
  left: 50%;
  bottom: calc(16px + env(safe-area-inset-bottom));
  z-index: 1000;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: min(86vw, 640px);
  min-height: 64px;
  padding: 16px 28px;
  border-radius: 999px;
  color: #fff;
  font-size: clamp(18px, 4.8vw, 26px);
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  letter-spacing: 0;
  background: linear-gradient(180deg, #29c6ff 0%, #008fe8 56%, #0068b7 100%);
  border: 1px solid rgba(255,255,255,.55);
  box-shadow: 0 14px 34px rgba(0, 98, 180, .28), inset 0 2px 0 rgba(255,255,255,.36);
  transform: translateX(-50%);
  -webkit-tap-highlight-color: transparent;
}
.sticky-cta img {
  display: block;
  width: 100%;
  height: auto;
}
.sticky-cta.has-image {
  min-height: 0;
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}
@media (min-width: 801px) {
  html { background: #eaf6ff; }
  body { background: linear-gradient(90deg, #eaf6ff 0, #f8fbff 50%, #eaf6ff 100%); }
}