*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --bg: #efefef;
  --text: #222222;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  font-family: "Noto Sans JP", sans-serif;
  background: var(--bg);
  color: var(--text);
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page {
  min-height: 100vh;
  padding: 32px 20px;
}

.poster-wrap {
  width: min(100%, 980px);
  margin: 0 auto;
}

.poster-image {
  width: 100%;
  border-radius: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 768px) {
  .page {
    padding: 16px 10px;
  }

  .poster-wrap {
    width: 100%;
  }
}