/* Per-app static site styles. No external fonts, no JS. */
:root {
  --bg: #FAFAF8;
  --surface: #FFFFFF;
  --text: #1D1D1F;
  --muted: #5E6066;
  --line: #E6E5E1;
  --field: #EFEEEA;
  --ink: #1D1D1F;
  --accent: #1D1D1F;
  --on-accent: #FFFFFF;
  --radius: 22px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111113;
    --surface: #1B1B1E;
    --text: #EDEDF0;
    --muted: #A3A4AB;
    --line: #2C2C31;
    --field: #1E1E22;
    --ink: #EDEDF0;
    --accent: #EDEDF0;
    --on-accent: #111113;
  }
}

/* Per-app brand themes (field = soft panel, ink = text on field, accent = links/buttons) */
.t-rinban { --field: #DCE5EC; --ink: #1F3346; --accent: #2E4A6B; }
.t-tomoni { --field: #EADBD8; --ink: #3A2A2D; --accent: #A44656; }
.t-hotto  { --field: #DFE8DF; --ink: #24372A; --accent: #4F7A5A; }
.t-hamori { --field: #F1EFEA; --ink: #1D1D1F; --accent: #B8422E; }
.t-furiko { --field: #E9E9EC; --ink: #1D1D1F; --accent: #B8422E; }
@media (prefers-color-scheme: dark) {
  .t-rinban { --field: #1A2532; --ink: #DCE5EC; --accent: #A9C1DD; }
  .t-tomoni { --field: #2B1F22; --ink: #F0E1DE; --accent: #EC9AA6; }
  .t-hotto  { --field: #0F1A14; --ink: #D9E4DA; --accent: #D9A08F; }
  .t-hamori { --field: #1D1D1F; --ink: #F2F2F4; --accent: #E8806C; }
  .t-furiko { --field: #1D1D1F; --ink: #F2F2F4; --accent: #E8806C; }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", "Helvetica Neue", Arial, "PingFang TC", "Hiragino Sans", "Apple SD Gothic Neo", "Noto Sans TC", "Noto Sans CJK TC", "Microsoft JhengHei", sans-serif;
  font-size: 17px;
  line-height: 1.7;
  overflow-wrap: break-word;
}
:lang(ja) body, body:lang(ja) { font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Noto Sans CJK JP", "Yu Gothic", Meiryo, sans-serif; line-break: strict; word-break: auto-phrase; }
:lang(ko) body, body:lang(ko) { font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", "Noto Sans CJK KR", "Malgun Gothic", sans-serif; word-break: keep-all; }
:lang(en) body, :lang(es) body { line-height: 1.6; }

a { color: var(--accent); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, .btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3 { line-height: 1.3; letter-spacing: -0.01em; color: var(--text); }
h1 { font-size: clamp(28px, 6vw, 40px); margin: 0.2em 0 0.4em; font-weight: 700; }
h2 { font-size: 22px; margin: 2.2em 0 0.6em; font-weight: 650; }
h3 { font-size: 18px; margin: 1.4em 0 0.3em; font-weight: 650; }
p { margin: 0.5em 0 0.9em; }
ul { padding-left: 1.2em; }
.muted { color: var(--muted); font-size: 15px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Top bar */
.top {
  max-width: 880px; margin: 0 auto; padding: max(14px, env(safe-area-inset-top)) 20px 10px;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 16px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; color: var(--text); text-decoration: none; font-size: 17px; letter-spacing: -0.01em; }
.brand-icon { width: 28px; height: 28px; border-radius: 7px; display: block; }
.langs { display: flex; flex-wrap: wrap; gap: 2px 4px; font-size: 14px; }
.langs a { color: var(--muted); text-decoration: none; padding: 6px 8px; border-radius: 999px; min-height: 32px; display: inline-flex; align-items: center; }
.langs a:hover { color: var(--text); background: var(--field); }
.langs a[aria-current] { color: var(--text); font-weight: 600; background: var(--field); }

main { max-width: 880px; margin: 0 auto; padding: 0 20px 40px; }
.doc main, .nf main { max-width: 760px; }

.lede { font-size: 19px; color: var(--muted); max-width: 40em; }

/* Icons */
.icon { border-radius: 22.5%; display: block; flex: none; box-shadow: 0 1px 2px rgba(0,0,0,0.08), 0 8px 24px rgba(0,0,0,0.10); }

/* App page */
.apphero { background: var(--field); color: var(--ink); border-radius: 28px; padding: 32px 24px 20px; margin-top: 12px; }
.apphero h1, .apphero .lede { color: var(--ink); }
.apphero .lede { opacity: 0.85; }
.apphero > .icon { width: 112px; height: 112px; margin-bottom: 18px; }
@media (min-width: 720px) { .apphero { padding: 44px 44px 24px; } .apphero > .icon { width: 128px; height: 128px; } }
.eyebrow { font-size: 15px; font-weight: 600; margin: 0; opacity: 0.8; }
.eyebrow a { color: inherit; }
.apphero.compact { display: flex; gap: 16px; align-items: center; padding: 20px; border-radius: 24px; }
.apphero.compact .icon { width: 64px; height: 64px; }
.apphero.compact h1 { font-size: clamp(22px, 5vw, 30px); margin: 0.1em 0 0; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0 8px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 10px 22px;
  border-radius: 999px; background: var(--ink); color: var(--field); text-decoration: none; font-weight: 600; font-size: 16px;
}
.doc .btn, .pcard .btn { background: var(--accent); color: #fff; }
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--accent); box-shadow: inset 0 0 0 1.5px var(--accent); }
@media (prefers-color-scheme: dark) { .doc .btn:not(.ghost) { color: #111113; } }

.appnav { display: flex; flex-wrap: wrap; gap: 6px; margin: 18px 0 4px; }
.appnav a {
  text-decoration: none; color: var(--ink); padding: 8px 14px; border-radius: 999px; font-size: 15px; min-height: 40px;
  display: inline-flex; align-items: center; background: color-mix(in srgb, var(--ink) 7%, transparent);
}
.appnav a[aria-current] { background: var(--ink); color: var(--field); font-weight: 600; }
.doc .appnav { margin: 16px 0 0; }
.doc .appnav a { color: var(--text); background: var(--field); }
.doc .appnav a[aria-current] { background: var(--accent); color: #fff; }
@media (prefers-color-scheme: dark) { .doc .appnav a[aria-current] { color: #111113; } }

.features { list-style: none; padding: 0; display: grid; gap: 12px; grid-template-columns: 1fr; }
@media (min-width: 720px) { .features { grid-template-columns: 1fr 1fr; } }
.features li { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 18px 20px 8px; }
.features h3 { margin: 0 0 4px; font-size: 17px; }
.features p { color: var(--muted); font-size: 16px; line-height: 1.6; margin-top: 0; }

.pcard, .tldr, .contact.boxed {
  background: var(--field); color: var(--ink); border-radius: 20px; padding: 6px 22px 10px; margin-top: 28px;
}
.pcard h2, .tldr h2, .contact.boxed h2 { color: var(--ink); margin-top: 0.9em; font-size: 19px; }
.tldr ul { margin: 0 0 0.8em; padding-left: 1.2em; }
.tldr li { margin: 0.3em 0; }

.contact .email { font-size: 20px; font-weight: 650; margin: 0.2em 0 0.6em; word-break: break-all; }
.contact .email a { color: var(--accent); }

/* Policy / support documents */
.effective { margin: 18px 0 0; }
.doc section h2 { scroll-margin-top: 16px; }
.doc section > h2 { border-top: 1px solid var(--line); padding-top: 1.2em; margin-top: 1.6em; }
.doc .tldr > h2, .doc .contact.boxed > h2 { border-top: 0; padding-top: 0; }
.doc .lede { margin-top: 20px; font-size: 18px; }
.perms { margin: 0; }
.perms dt { font-weight: 650; margin-top: 0.8em; }
.perms dd { margin: 0.1em 0 0; color: var(--muted); }
.qa h3 { margin-top: 1.5em; }
.qa p { margin-top: 0.2em; }

/* Footer */
.foot { max-width: 880px; margin: 24px auto 0; padding: 24px 20px max(32px, env(safe-area-inset-bottom)); border-top: 1px solid var(--line); font-size: 15px; }
.foot-nav { display: flex; flex-wrap: wrap; gap: 4px 18px; margin-bottom: 6px; }
.foot-nav a { color: var(--text); text-decoration: none; padding: 4px 0; }
.foot-nav a:hover { text-decoration: underline; }
.others h2 { font-size: 15px; margin: 1.4em 0 0.3em; color: var(--muted); font-weight: 600; }
.others ul { list-style: none; padding: 0; margin: 0 0 1em; display: flex; flex-wrap: wrap; gap: 2px 20px; }
.others li { padding: 3px 0; }
.foot p { margin: 0.3em 0; }

/* 404 */
.big404 { font-size: 72px; font-weight: 800; letter-spacing: -0.04em; margin: 32px 0 0; color: var(--muted); }
.nf section h2 { margin: 1.4em 0 0.2em; font-size: 19px; }

@media print {
  .top .langs, .appnav, .actions, .others { display: none; }
  body { background: #fff; color: #000; }
}