@font-face {
  font-family: "LINE Seed JP";
  src: url("assets/line_seed_jp_thin-DoFCvcyQ.ttf") format("truetype");
  font-style: normal;
  font-weight: 100;
  font-display: swap;
}

@font-face {
  font-family: "LINE Seed JP";
  src: url("assets/line_seed_jp_regular-DuLLvItd.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "LINE Seed JP";
  src: url("assets/line_seed_jp_bold-Dlvc6Hpt.ttf") format("truetype");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "LINE Seed JP";
  src: url("assets/line_seed_jp_extra_bold-C24Vbpf5.ttf") format("truetype");
  font-style: normal;
  font-weight: 800;
  font-display: swap;
}

html {
  color-scheme: light;
  --color-background: #f5f8fc;
  --color-text: #0f1419;
  --color-link: #1658b8;
  --color-link-visited: #6c3bb0;
  --color-border: #d7e0eb;
  --color-surface: #ffffff;
  --color-text-muted: #576272;
}

@media (prefers-color-scheme: dark) {
  html {
    color-scheme: dark;
    --color-background: #0f1419;
    --color-text: #e7ecf3;
    --color-link: #7eb8ff;
    --color-link-visited: #b39dff;
    --color-border: #2a3441;
    --color-surface: #151b23;
    --color-text-muted: #9aa8b7;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--color-background);
  color: var(--color-text);
  font-family: "LINE Seed JP", "Hiragino Kaku Gothic ProN", "Yu Gothic",
    "Noto Sans JP", system-ui, sans-serif;
  line-height: 1.5;
}

a {
  color: var(--color-link);
}

a:visited {
  color: var(--color-link-visited);
}

/* dark theme for phoenix document + react islands (loaded via page css bundle) */
.appRoot {
  max-width: 48rem;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

.documentHeader {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.siteNavigation {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1.25rem;
  padding: 0.2rem;
  width: fit-content;
  border: 1px solid var(--color-border);
  border-radius: 0.375rem;
  background: var(--color-surface);
}

.siteNavigationLink {
  padding: 0.35rem 0.75rem;
  border-radius: 0.25rem;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  text-decoration: none;
}

.siteNavigationLink[data-active] {
  background: var(--color-border);
  color: var(--color-text);
}

.englishTitle {
  margin: 0 0 0.5rem;
  font-size: 1.75rem;
  font-weight: 600;
  text-transform: uppercase;
  font-kerning: normal;
  font-feature-settings:
    "kern" 1,
    "case" 1,
    "cpsp" 1;
}

.documentTagline {
  margin: 0.25rem 0 0;
  color: var(--color-text-muted);
}

.japaneseTitle {
  margin: 0 0 0.5rem;
  color: var(--color-text);
  font-size: 1.35rem;
  font-weight: 600;
}

.blogArticleText {
  margin: 0;
  font-size: 1.125rem;
}

[data-bilingual-title-pair] {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

[data-bilingual-title-pair] [data-bilingual-title] {
  display: block;
  width: fit-content;
  max-width: 100%;
}

.reactIslandSection {
  padding: 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  background: var(--color-surface);
}

.frontendIslandSection {
  color: inherit;
}

.frontendIslandHeading {
  margin: 0 0 0.5rem;
}

.frontendIslandLocale {
  margin: 0.25rem 0 0;
}

.frontendIslandNote {
  margin: 0.5rem 0 0;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}