@charset "UTF-8";

body {
  font-family: 'Noto Sans JP', sans-serif;
  padding: 2rem;
  max-width: 800px;
  margin: auto;
  line-height: 1.7;
}

h1 {
  font-size: clamp(1.75rem, 5.0vw, 2.5rem);
  line-height: 1.2;
  margin-bottom: 1.5rem;
  font-weight: 700;
}

h2 {
  font-size: clamp(1.4rem, 4.0vw, 2.0rem);
  line-height: 1.3;
  margin-bottom: 0.75rem;
  font-weight: 700;
}

h3 {
  font-size: clamp(1.3rem, 3.5vw, 2rem);
  line-height: 1.4;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

p {
  font-size: clamp(1rem, 2.5vw, 1.125rem);
  margin-bottom: 1rem;
  font-weight: 400;
}