@charset "utf-8";

body {
    margin: 0;
    padding: 0;
    font-family: "Noto Sans JP", sans-serif;
    background: #f7f7f7;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    text-align: center;
  }

  .container {
    padding: 40px;
    border: 3px solid #ffcc00;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    animation: fadeIn 1.5s ease;
  }

  h1 {
    font-size: 42px;
    margin-bottom: 20px;
    color: #333;
    font-weight: 700;
  }

  p {
    font-size: 18px;
    color: #666;
    margin-bottom: 10px;
  }

  .line {
    width: 100%;
    height: 4px;
    background: repeating-linear-gradient(
      -45deg,
      #ffcc00,
      #ffcc00 10px,
      #000 10px,
      #000 20px
    );
    margin: 30px 0;
  }