/* Colours from imozuru/Theme.swift in the app repo. */
:root {
  color-scheme: light dark;
  --moss: #5E7D4F;
  --stem: #8FA27D;
  --bud: #B8935A;
  --paper: #F5F3EC;
  --card: #FFFFFF;
  --ink: #2F3B2A;
  --muted: #6B7366;
  --rule: #E2DED2;

  --mincho: "Hiragino Mincho ProN", "Hiragino Mincho Pro", "YuMincho", "Yu Mincho",
    "Noto Serif JP", "Noto Serif CJK JP", "Source Han Serif JP", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN",
    "Segoe UI", "Noto Sans JP", "Noto Sans CJK JP", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --moss: #9DBE88;
    --stem: #5F7A55;
    --bud: #D6B57C;
    --paper: #0F120F;
    --card: #1A1E19;
    --ink: #E4E7DF;
    --muted: #9DA597;
    --rule: #2A3028;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.7 var(--sans);
}

main, .site-header, .site-footer {
  max-width: 40rem;
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2, h3 {
  font-family: var(--mincho);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0.01em;
}
h1 { font-size: 2rem; margin: 0.4em 0 0.6em; }
h2 { font-size: 1.35rem; margin: 2.2em 0 0.5em; color: var(--moss); }
h3 { font-size: 1.1rem; margin: 1.8em 0 0.4em; }

p, ul { margin: 0 0 1em; }
ul { padding-left: 1.3em; }
li { margin: 0.25em 0; }
li::marker { color: var(--stem); }

a { color: var(--moss); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { color: var(--bud); }

hr {
  border: 0;
  height: 1px;
  background: var(--rule);
  margin: 3rem 0;
}

.muted { color: var(--muted); }
.small { font-size: 0.9rem; }

/* Header on inner pages: small icon + name, back to home. */
.site-header { padding-top: 28px; }
.site-header a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--mincho);
  font-size: 1.05rem;
}
.site-header img { width: 32px; height: 32px; border-radius: 22.5%; }
.site-header .ja { color: var(--muted); font-size: 0.95rem; }

.site-footer {
  padding-top: 2rem;
  padding-bottom: 3rem;
  color: var(--muted);
  font-size: 0.85rem;
}
.site-footer nav a { margin-right: 1.2em; }

.card {
  background: var(--card);
  border-radius: 14px;
  padding: 1.1rem 1.3rem;
  margin: 1.5rem 0;
}
.card > :last-child { margin-bottom: 0; }

/* Landing page */
.hero {
  text-align: center;
  padding-top: 18vh;
  padding-bottom: 2rem;
}
.hero img {
  width: 128px;
  height: 128px;
  border-radius: 22.5%;
  box-shadow: 0 1px 2px rgb(0 0 0 / 0.08), 0 8px 24px rgb(47 59 42 / 0.12);
}
.hero h1 { font-size: 2.4rem; margin: 1.1rem 0 0.2rem; }
.hero h1 .ja { display: block; font-size: 1.15rem; color: var(--bud); font-weight: 500; letter-spacing: 0.2em; }
.hero .tagline { margin: 1.4rem auto 0.4rem; max-width: 30rem; }
.hero .tagline[lang="ja"] { color: var(--muted); }
.hero nav { margin-top: 2.2rem; }
.hero nav a { display: inline-block; margin: 0.2em 0.8em; white-space: nowrap; }

/* Language jump on bilingual pages */
.lang-switch { font-size: 0.9rem; margin-top: -0.5rem; }

[lang="ja"] { line-break: strict; }
[lang="ja"] h2, [lang="ja"] h3 { letter-spacing: 0.04em; }