body {
  margin: 0;
  padding: 0;
  font-family: 'Noto Sans JP', sans-serif;
  background-color: #fff;
  color: #333;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

section {
  max-width: 750px;
  margin: 0 auto 40px auto;
  padding: 0 16px;
}

/* 修正後のファーストビュー */
.fv {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.fv-img {
  width: 100%;
  height: auto;
  display: block;
}

.fv-copy {
  background-color: #f9f9f9;
  padding: 24px 16px;
  max-width: 750px;
}

.fv-copy h1 {
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.fv-copy p {
  font-size: 1rem;
  margin-bottom: 20px;
}

.cta-btn {
  display: inline-block;
  padding: 12px 24px;
  background: #3bc13b;
  color: #fff;
  font-weight: bold;
  text-decoration: none;
  border-radius: 30px;
  font-size: 1rem;
}

footer {
  text-align: center;
  padding: 30px 10px;
  background-color: #f8f8f8;
  color: #666;
  font-size: 0.9rem;
}

/* フローティングCTA */
.floating-cta-img {
  display: none;
}

@media (max-width: 768px) {
  .floating-cta-img {
    display: block;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 9999;
    background-color: #fff;
    box-shadow: 0 -2px 6px rgba(0, 0, 0, 0.1);
  }

  .floating-cta-img img {
    width: 100%;
    height: auto;
    display: block;
  }

  .fv-copy h1 {
    font-size: 1.5rem;
  }

  .cta-btn {
    font-size: 0.9rem;
    padding: 10px 20px;
  }
}