* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
 
html, body {
  background-color: #000000;
  height: 100%;
}
 
body {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
 
.piecha-text {
  color: #ffffff;
  font-family: sans-serif;
  font-size: 4rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: color 0.2s ease;
}
 
.piecha-text:hover { color: #cccccc; }
 
.piecha-text.hidden { display: none; }
 
.piecha-img-wrap {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #000000;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
}
 
.piecha-img-wrap.hidden { display: none; }
 
.piecha-img-wrap img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}