:root {
  --lp-max: 430px;
  --arrow-width: 298px;
  --arrow-height: 28px;
  --cta-width: 363px;
  --red: #df1717;
  --text: #0b0b0b;
  --bg: #05111f;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { background: var(--bg); }
body {
  min-width: 320px;
  background: var(--bg);
  font-family: "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  color: #fff;
}
img, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }

.lp {
  width: 100%;
  max-width: var(--lp-max);
  margin: 0 auto;
  background: var(--bg);
}

.wix-strip {
  background: #f3f3f3;
  color: #666;
  text-align: center;
  font-size: 11px;
  line-height: 1;
  padding: 8px 10px;
  letter-spacing: 0.08em;
}

.top-copy-band {
  background: #fff;
  text-align: center;
  padding: 14px 10px 12px;
}

.top-copy-main {
  margin: 0;
  color: var(--red);
  font-size: clamp(26px, 7vw, 34px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: 0.01em;
}

.top-copy-sub {
  margin: 7px 0 0;
  color: var(--text);
  font-size: 14px;
  line-height: 1.45;
  font-weight: 500;
}

.section,
.visual,
.visual img {
  width: 100%;
}

.visual {
  background: var(--bg);
}

.hero img {
  width: 100%;
}

.arrow-band {
  background: #fff;
  padding: 10px 0 8px;
  overflow: hidden;
}

.arrow-video {
  width: min(var(--arrow-width), calc(100% - 96px));
  height: var(--arrow-height);
  margin: 0 auto;
  background: transparent;
  object-fit: cover;
  object-position: center center;
}

.cta-band {
  background: #fff;
  padding: 8px 0 12px;
}

.cta-band-bottom {
  padding-top: 10px;
  padding-bottom: 18px;
}

.cta-float {
  display: block;
  width: min(var(--cta-width), calc(100% - 62px));
  margin: 0 auto;
  transform-origin: center center;
  will-change: transform;
  animation: ctaFloat 2.4s ease-in-out infinite;
  -webkit-animation: ctaFloat 2.4s ease-in-out infinite;
}

.cta-float img {
  width: 100%;
  height: auto;
}

@-webkit-keyframes ctaFloat {
  0%, 100% {
    -webkit-transform: translateY(0) scale(1);
    transform: translateY(0) scale(1);
  }
  50% {
    -webkit-transform: translateY(-6px) scale(1.015);
    transform: translateY(-6px) scale(1.015);
  }
}

@keyframes ctaFloat {
  0%, 100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-6px) scale(1.015);
  }
}

@media (min-width: 431px) {
  body {
    background: linear-gradient(180deg, #05111f 0%, #081b30 100%);
  }

  .lp {
    box-shadow: 0 0 0 1px rgba(255,255,255,0.03), 0 18px 70px rgba(0,0,0,0.35);
  }
}

@media (prefers-reduced-motion: reduce) {
  .cta-float {
    animation: none;
    -webkit-animation: none;
  }
}