@font-face {
    font-family: 'Serpentine Sans ICG';
    src: url('font/SerpentineSansICGBoldOblique.woff2') format('woff2'),
        url('font/SerpentineSansICGBoldOblique.woff') format('woff');
    font-weight: bold;
    font-style: italic;
    font-display: swap;
}

:root {
    --c1: #007078;
    --c1soft: #25afb9;
    --c2: #efefef;
    --c3: #c41722;
}

body {
    padding: 0;
    margin: 0;
    font-family: "Poppins", serif;
    font-weight: 400;
    font-style: normal;
}

section {
    display: flex;
    flex-direction: column;
    gap: 50px;
    align-items: center;
    justify-content: center;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(120deg, #2e3333, #242323);
}
  
  h1 {
    position: relative;
    margin: 0;
    color: #fff;
    font-size: 64px;
    font-weight: 400;
    text-align: center;
  }
  
  h2 {
    margin: 5em 0 1em;
    color: #fff;
    font-size: 30px;
    text-align: center;
    font-weight: 400;
  }

  .flag {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .flag span {
    content: '';
    display: block;
    width: 90px;
    height: 70px;
  }
  .flag span:nth-child(1) {
    background-color: var(--c1);
  }
  .flag span:nth-child(2) {
    background-color: var(--c2);
  }
  .flag span:nth-child(3) {
    background-color: var(--c3);
  }
  
  /* common */
  .loading {
    font-size: 84px;
    font-weight: 800;
    text-align: center;
    font-family: 'Serpentine Sans ICG';
  }
  .loading span {
    display: inline-block;
    margin: 0 -0.05em;
  }
  
  /* code #7 */
  .loading07 span {
    position: relative;
    color: rgba(0, 0, 0, 0.2);
  }
  .loading07 span::after {
    position: absolute;
    top: 0;
    left: 0;
    content: attr(data-text);
    color: #fff;
    opacity: 0;
    transform: scale(1.5);
    animation: loading07 6s infinite;
  }
  .loading07 span:nth-child(2)::after {
    animation-delay: 0.1s;
  }
  .loading07 span:nth-child(3)::after {
    animation-delay: 0.2s;
  }
  .loading07 span:nth-child(4)::after {
    animation-delay: 0.3s;
  }
  .loading07 span:nth-child(5)::after {
    animation-delay: 0.4s;
  }
  .loading07 span:nth-child(6)::after {
    animation-delay: 0.5s;
  }
  .loading07 span:nth-child(7)::after {
    animation-delay: 0.6s;
  }
  .loading07 span:nth-child(8)::after {
    animation-delay: 0.7s;
  }
  
  @keyframes loading07 {
    0%, 75%, 100% {
      transform: scale(1.5);
      opacity: 0;
    }
    25%, 50% {
      transform: scale(1);
      opacity: 1;
    }
  }

  .text {
    width: 600px;
    text-align: center;
    font-size: 18px;
    color: var(--c2);
  }