:root {
  --ink: #16161a;
  --ink-weak: #5a5a63;
  --line: #d8d8de;
  --paper: #fdfdfc;
  --link: #1c3f94;
  --serif: "Hiragino Mincho ProN", "Yu Mincho", YuMincho, "MS PMincho", serif;
  --sans: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo,
    system-ui, sans-serif;
  --measure: 64rem;
  --gutter: 1.25rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #ececed;
    --ink-weak: #a1a1ab;
    --line: #35353e;
    --paper: #131316;
    --link: #bfceff;
  }
}

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

html {
  color-scheme: light dark;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.9;
  line-break: strict;
  hanging-punctuation: allow-end;
  font-feature-settings: "palt" 1;
  letter-spacing: 0.04em;
  overflow-wrap: break-word;
  text-autospace: normal;
  text-autospace: ideograph-alpha ideograph-numeric replace;
  text-spacing-trim: trim-start;
  text-underline-offset: 0.2em;
}

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

a {
  color: var(--link);

  &:hover {
    text-decoration-thickness: 2px;
  }
}

:lang(en) {
  -webkit-hyphens: auto;
  hyphens: auto;
  hyphenate-limit-chars: 6 3 2;
  -webkit-hyphenate-limit-before: 3;
  -webkit-hyphenate-limit-after: 2;
}

.site-main {
  container-name: main;
  container-type: inline-size;
  max-width: var(--measure);
  margin: 0 auto;
  padding: 2.5rem var(--gutter) 4rem;
}

@container main (width >= 32rem) {
  h1,
  h2,
  p,
  dd {
    text-align: justify;
    text-justify: inter-character;
  }
}

h1 {
  margin: 0 0 0.4em;
  font-family: var(--serif);
  font-size: 1.9rem;
  line-height: 1.4;
}

h2 {
  margin: 2.5em 0 0.6em;
  padding-block-end: 0.3em;
  border-block-end: 1px solid var(--line);
  font-family: var(--serif);
  font-size: 1.3rem;
  line-height: 1.5;
}

p {
  margin: 0 0 1.2em;
}

.eyebrow {
  display: block flow;
  margin-block-end: 0.2em;
  color: var(--ink-weak);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
}

.meta {
  margin: 0 0 2em;
  color: var(--ink-weak);
  font-size: 0.9rem;
}

.lead {
  font-family: var(--serif);
  font-size: 1.1rem;
}

.details {
  margin: 0 0 2em;

  & dt {
    margin-block-start: 1.2em;
    color: var(--ink-weak);
    font-size: 0.9rem;
    font-weight: 700;
  }

  & dd {
    margin: 0.2em 0 0;
  }

  & ul {
    margin: 0;
    padding: 0;
    list-style: none;
  }
}

.performances {
  margin: 0;
  padding: 0;
  list-style: none;

  & > li {
    margin-block-end: 0.6em;
  }
}

.posters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0 0 2rem;
  padding: 0;
  list-style: none;

  & > li {
    flex: 1 1 16rem;
    margin: 0;
  }

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

.quiz {
  border-block-end: 1px solid var(--line);

  & summary {
    padding: 0.85rem 0;
    font-size: 1.05rem;
    cursor: pointer;
  }

  & > :last-child {
    margin-block-end: 1.2rem;
  }
}

.quiz-figure {
  margin: 0.4rem 0 0;

  & img {
    display: block;
    width: min(100%, 36rem);
    height: auto;
  }
}