/* 研究会運営アプリ。文字の大きさは端末の設定に合わせる（rem・iPhone の「文字サイズ」）。状態は色だけでなく文字でも示す */
:root {
  color-scheme: light dark;
  --bg: #f4f6f5;
  --card: #ffffff;
  --ink: #1c2321;
  --muted: #535e5a;
  --line: #c9d1ce;
  --main: #135e4b;
  --main-text: #135e4b;
  --main-ink: #ffffff;
  --urgent: #b42318;
  --warn: #7a4f00;
  --ok: #17663a;
  --focus: #1d4ed8;
  --field: #ffffff;
  --soft: #eef2f1;
}
@supports (font: -apple-system-body) {
  html { font: -apple-system-body; }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 5rem; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: system-ui, -apple-system, "Hiragino Sans", "Yu Gothic UI", "Meiryo", sans-serif;
  font-size: 1rem; line-height: 1.6;
  padding-bottom: env(safe-area-inset-bottom);
}
.top { background: var(--main); color: var(--main-ink); padding: calc(env(safe-area-inset-top) + .6rem) 1rem .6rem; position: sticky; top: 0; z-index: 5; }
.top h1 { font-size: 1.1rem; margin: 0; }
.top .where { font-size: .8rem; opacity: .9; margin: 0; }
.net, .banner { margin: .4rem -1rem -.6rem; padding: .4rem 1rem; font-size: .9rem; }
.net { background: var(--urgent); color: #fff; }
.banner { background: #fff4d6; color: #3d2a00; display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
.banner button { min-height: 2.2rem; padding: .2rem .7rem; }
main { max-width: 52rem; margin: 0 auto; padding: .8rem; outline: none; }
h2 { font-size: 1.15rem; margin: 1rem 0 .5rem; }
h3 { font-size: 1rem; margin: .8rem 0 .4rem; }
p { margin: .4rem 0; overflow-wrap: anywhere; }
.loading { color: var(--muted); }
.muted { color: var(--muted); font-size: .9rem; }
.error { color: var(--urgent); font-weight: 600; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: .6rem; padding: .8rem; margin: .6rem 0; }
.card.urgent { border-left: .4rem solid var(--urgent); }
.card.normal { border-left: .4rem solid var(--warn); }
.card.info { border-left: .4rem solid var(--line); }
.card.done { opacity: .8; }
.card.handled { outline: 2px dashed var(--line); }
.row { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
.grow { flex: 1 1 auto; min-width: 0; }
.badge { display: inline-block; font-size: .8rem; font-weight: 700; padding: .05rem .5rem; border-radius: 1rem; border: 1px solid currentColor; white-space: nowrap; }
.badge.urgent, .badge.cancelled { color: var(--urgent); }
.badge.normal, .badge.review { color: var(--warn); }
.badge.valid { color: var(--ok); }
.badge.info, .badge.test { color: var(--muted); }
button, .button {
  font: inherit; font-size: 1rem; min-height: 2.75rem; padding: .45rem .9rem; border-radius: .5rem;
  border: 1px solid var(--main); background: var(--card); color: var(--main-text); cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; justify-content: center;
}
button.primary { background: var(--main); color: var(--main-ink); }
button.danger { border-color: var(--urgent); color: var(--urgent); }
button:disabled { opacity: .55; cursor: wait; }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, a:focus-visible, summary:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
label { display: block; margin: .6rem 0 .2rem; font-weight: 600; }
label.check { display: flex; gap: .5rem; align-items: center; font-weight: 400; }
label.check input { width: auto; }
input, select, textarea {
  font: inherit; font-size: 1rem; width: 100%; padding: .55rem .6rem; border: 1px solid var(--line); border-radius: .4rem; background: var(--field); color: var(--ink);
}
textarea { min-height: 5rem; }
.hint { font-size: .85rem; color: var(--muted); margin: .2rem 0; }
.sub { font-size: .8rem; color: var(--muted); display: block; }
.tabs { display: flex; gap: .3rem; flex-wrap: wrap; margin: .2rem 0 .6rem; }
.tabs button { flex: 0 0 auto; }
.tabs button[aria-selected="true"] { background: var(--main); color: var(--main-ink); }
.society { margin: .2rem 0 .4rem; }
.list { list-style: none; margin: 0; padding: 0; }
.kv { display: grid; grid-template-columns: minmax(6rem, 9rem) 1fr; gap: .1rem .6rem; font-size: .95rem; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; overflow-wrap: anywhere; white-space: pre-wrap; }
.copybox { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: .85rem; background: var(--soft); border: 1px dashed var(--line); padding: .5rem; overflow-wrap: anywhere; user-select: all; }
.code-big { font-size: 2rem; font-weight: 700; letter-spacing: .3rem; text-align: center; }
.toast { position: fixed; left: 50%; bottom: calc(env(safe-area-inset-bottom) + 1rem); transform: translateX(-50%); background: #222; color: #fff; padding: .6rem 1rem; border-radius: .6rem; max-width: 90vw; z-index: 10; opacity: 0; pointer-events: none; transition: opacity .2s; }
.toast.show { opacity: 1; pointer-events: auto; }
.toast.error { background: #7a1410; }
.toast button { margin-left: .6rem; min-height: 2rem; padding: .1rem .6rem; background: transparent; color: #fff; border-color: #fff; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.counts { display: flex; gap: .4rem; flex-wrap: wrap; margin: .3rem 0; }
.app-name { font-weight: 700; overflow-wrap: anywhere; }
.reasons { color: var(--warn); font-size: .9rem; }
.reasons.settled { color: var(--muted); }
.steps { padding-left: 1.3rem; }
.steps li { margin: .3rem 0; }
.updated { font-size: .8rem; color: var(--muted); }
.print-only { display: none; }
table.print { border-collapse: collapse; width: 100%; font-size: .85rem; }
table.print th, table.print td { border: 1px solid #999; padding: .2rem .3rem; text-align: left; vertical-align: top; overflow-wrap: anywhere; }

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111615; --card: #1b2220; --ink: #eef3f1; --muted: #b3bfba; --line: #46534e;
    --main: #1f7a62; --main-text: #8fe0c6; --main-ink: #ffffff;
    --urgent: #ff9b8f; --warn: #f3c36b; --ok: #7fdca5; --focus: #8ab4ff; --field: #10161a; --soft: #10161a;
  }
  .banner { background: #4a3a10; color: #fff3cf; }
}

@media print {
  :root { --bg: #fff; --card: #fff; --ink: #000; --muted: #333; --line: #999; }
  .top, .tabs, button, .button, .toast, .banner, .net, .no-print, .society, details > summary { display: none !important; }
  .print-only { display: block !important; }
  main { max-width: none; padding: 0; }
  .card { border: 1px solid #999; break-inside: avoid; }
  details { display: block; }
  a { color: #000; text-decoration: none; }
}