body {
  background: #e3f3e8;
  font-family: 'Nunito', Arial, sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.7;
}
#character {
  position: absolute;
  width: 42px;
  height: 42px;
  background-image: url('walk3.png');
  background-repeat: no-repeat;
  image-rendering: pixelated;
  top: 0;
  left: 0;
  transform-origin: center;
  pointer-events: none;
}  
.container {
  max-width: 720px;
  margin: 48px auto 0 auto;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 4px 32px #bba7ea22;
  padding: 36px 32px 48px 32px;
}
h1, h2, h3 {
  font-family: 'Quicksand', Arial, sans-serif;
  color: #2e613a;
  margin-top: 0;
  letter-spacing: 0.04em;
}
h1 {
  font-size: 1.6em;
  font-weight: 700;
}
h2 {
  font-size: 1.4em;
  font-weight: 700;
  margin-bottom: 0.7em;
}
.about {
  margin-bottom: 0;
}
.preface {
  margin-bottom: 2.5em;
}
strong {
  color: #2e613a;
}
blockquote {
  font-family: 'Quicksand', cursive;
  font-style: italic;
  background: #e3f3e8;
  color: #2e613a;
  border-left: 4px solid #2e613a;
  padding: 12px 24px;
  margin: 1.5em 0;
  border-radius: 8px;
}
code {
  font-family: 'Fira Mono', monospace;
  background: #e3f3e8;
  color: #2e613a;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.98em;
}
.cta {
  text-align: center;
  margin-top: 36px;
}
.cta-btn {
  display: inline-block;
  background: linear-gradient(90deg, #ccc, #ced);
  color: #666;
  font-family: 'Quicksand', Arial, sans-serif;
  font-size: 1.14em;
  font-weight: bold;
  letter-spacing: 0.06em;
  border: none;
  border-radius: 30px;
  padding: 14px 40px;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 2px 16px #b26fdd33;
  transition: background 0.2s;
}
.cta-btn:hover {
  background: linear-gradient(90deg, #ced, #ccc);
}
.cta-btn[disabled] {
   cursor: not-allowed;
}
@media (max-width: 600px) {
  body {
    margin: 0;
    padding: 0;
  }
  .container {
    padding: 0px 8px 24px 8px;
    border-radius: 0;
    margin: 0;
    max-width: 100%;
  }
}