body {
  margin: 0;
  padding: 0;
  font-family: 'Noto Serif JP', serif;
  background: url('https://copilot.microsoft.com/th/id/BCO.d4900765-8cc7-4fa2-8dd8-04f2c435e81b.png') no-repeat center center fixed;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;
  background-attachment: fixed;
  height: 100vh;
  text-align: center;
}

h1 {
  margin-top: 60px;
  font-size: 2.8em;
  color: #b44c43;
  letter-spacing: 2px;
  text-shadow: 2px 2px 4px rgba(255, 255, 255, 0.8);
}
h2 {
  font-size: 3em;
  margin-top: 40px;
  color: #b44c43;
}

h3 {
  font-size: 1.5em;
  margin-bottom: 20px;
  color: #4a4a4a;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
  padding: 40px;
  max-width: 1000px;
  margin: auto;
}

.card {
  background: rgba(255, 255, 255, 0.7);
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
  text-align: center;
}

.card:hover {
  transform: scale(1.03);
}

.card img {
  width: 100%;
  border-radius: 8px;
  margin-bottom: 10px;
}

.card h3 {
  margin: 0;
  font-size: 1.1em;
  color: #333;
}

p {
  font-size: 1.2em;
  margin-top: 20px;
  color: #333;
  background: rgba(255, 255, 255, 0.6);
  display: inline-block;
  padding: 10px 20px;
  border-radius: 8px;
}

button {
  margin-top: 40px;
  padding: 12px 24px;
  font-size: 1em;
  background-color: #b44c43;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

button:hover {
  background-color: #8c3a34;
  transform: scale(1.05);
}

/* Лепестки сакуры */
.petals {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
}

.petal {
  position: absolute;
  width: 20px;
  height: 20px;
  background: pink;
  border-radius: 50%;
  opacity: 0.7;
  animation: fall 10s linear infinite;
}

@keyframes fall {
  0% { transform: translateY(-10%) rotate(0deg); }
  100% { transform: translateY(110vh) rotate(360deg); }
}

.koi { position: fixed;
      bottom: 20px; 
      right: 20px; 
      font-size: 2em;
      animation:
        swim 6s infinite alternate ease-in-out; 
     }