* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --hero-top-space: 48px;
  --hero-scale: 1;
  --hero-shell-height: 230px;
}

body {
  background-color: rgb(255, 255, 255);
  background-image: url(../images/index/background.png);
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;

  width: 100%;
  height: 100vh;

  color: #01234f;
}

.container {
  padding-top: var(--hero-top-space);
  padding-inline: 20px;
  text-align: center;
}

.hero_shell {
  display: flex;
  justify-content: center;
  height: var(--hero-shell-height);
}

.hero_block {
  width: 480px;
  transform: scale(var(--hero-scale));
  transform-origin: center top;
}

.title_img {
  display: block;
  width: 380px;
  margin: 0 auto;
  height: auto;
}

.text_group {
  width: 480px;
  margin: 5px auto 0;
  padding-inline: 8px;

  font-family: "times new roman";
  font-size: 18px;
  line-height: 140%;
}

.record_link {
  position: fixed;
  bottom: 10px;
  left: 0;
  right: 0;

  color: #01234f;
  text-decoration: none;
  font-size: 14px;
}

@media (max-width: 768px) {
  body {
    height: 100vh;
  }

  .container {
    padding-inline: 16px;
  }

  .text_group {
    line-height: 1.7;
  }
  .record_link {
    bottom: 10px;
    font-size: 10px;
  }
}