/* 還付金管理:スマホが先。明るい・暗いの両方。動きを控える設定(OS とアプリのボタン)を守る */
:root {
  color-scheme: light;
  --bg: #f6f5f1; --surface: #ffffff; --surface-2: #f0efe9; --line: #e2e0d8;
  --ink: #1b1b19; --ink-2: #55534d; --ink-3: #807d75;
  --brand: #1f6f5c; --brand-ink: #ffffff; --brand-soft: #e3f1ec;
  --good: #1d7a3a; --good-soft: #e5f4e8; --warn: #9a5b00; --warn-soft: #fdf1dc; --bad: #b3261e; --bad-soft: #fbe7e5; --info: #2a63b8; --info-soft: #e6eefa;
  --series-1: #2a78d6; --series-2: #eb6834;
  --radius: 14px; --shadow: 0 1px 2px rgba(0,0,0,.05), 0 4px 14px rgba(0,0,0,.05);
  --font: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Meiryo", system-ui, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #141413; --surface: #1d1d1b; --surface-2: #262623; --line: #34332f;
    --ink: #f0efec; --ink-2: #c3c2b7; --ink-3: #8f8d85;
    --brand: #4fb79b; --brand-ink: #0d1f1a; --brand-soft: #1d332c;
    --good: #5cc27a; --good-soft: #17301f; --warn: #f0b04c; --warn-soft: #362a12; --bad: #f08a80; --bad-soft: #3a1d1a; --info: #7aa7ec; --info-soft: #1b2a40;
    --series-1: #3987e5; --series-2: #d95926; --shadow: none;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #141413; --surface: #1d1d1b; --surface-2: #262623; --line: #34332f;
  --ink: #f0efec; --ink-2: #c3c2b7; --ink-3: #8f8d85;
  --brand: #4fb79b; --brand-ink: #0d1f1a; --brand-soft: #1d332c;
  --good: #5cc27a; --good-soft: #17301f; --warn: #f0b04c; --warn-soft: #362a12; --bad: #f08a80; --bad-soft: #3a1d1a; --info: #7aa7ec; --info-soft: #1b2a40;
  --series-1: #3987e5; --series-2: #d95926; --shadow: none;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font-family: var(--font); font-size: 16px; line-height: 1.6; -webkit-text-size-adjust: 100%; }
a { color: var(--brand); }
button, input, select, textarea { font: inherit; color: inherit; }
.svg { width: 20px; height: 20px; flex: none; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* 枠 */
.top { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.top-in { max-width: 1120px; margin: 0 auto; display: flex; align-items: center; gap: 10px; padding: 10px 16px; }
.logo { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 17px; }
.logo-mark { width: 30px; height: 30px; border-radius: 9px; background: var(--brand); color: var(--brand-ink); display: grid; place-items: center; }
.logo-mark .svg { width: 18px; height: 18px; }
.spacer { flex: 1; }
.role { font-size: 12px; padding: 3px 9px; border-radius: 99px; background: var(--brand-soft); color: var(--brand); font-weight: 600; white-space: nowrap; }
.role.aud { background: var(--info-soft); color: var(--info); }
.layout { max-width: 1120px; margin: 0 auto; display: flex; gap: 24px; padding: 16px 16px 96px; }
.side { display: none; }
main { flex: 1; min-width: 0; }
.nav { position: fixed; bottom: 0; left: 0; right: 0; z-index: 10; display: flex; background: var(--surface); border-top: 1px solid var(--line); padding: 4px 4px calc(4px + env(safe-area-inset-bottom)); }
.nav a { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 6px 2px; font-size: 11px; color: var(--ink-2); text-decoration: none; border-radius: 10px; }
.nav a[aria-current="page"] { color: var(--brand); background: var(--brand-soft); font-weight: 700; }
@media (min-width: 900px) {
  .nav { display: none; }
  .side { display: block; width: 210px; flex: none; position: sticky; top: 72px; align-self: flex-start; }
  .side a { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 10px; color: var(--ink-2); text-decoration: none; margin-bottom: 2px; }
  .side a[aria-current="page"] { background: var(--brand-soft); color: var(--brand); font-weight: 700; }
  .side a:hover { background: var(--surface-2); }
  .layout { padding-bottom: 40px; }
}
.banner { background: var(--info-soft); color: var(--info); border-radius: 12px; padding: 10px 14px; display: flex; gap: 10px; align-items: flex-start; font-size: 14px; margin-bottom: 14px; }
.banner.warn { background: var(--warn-soft); color: var(--warn); }

/* 部品 */
h1 { font-size: 22px; margin: 4px 0 12px; line-height: 1.35; }
h2 { font-size: 17px; margin: 0 0 10px; }
h3 { font-size: 15px; margin: 0 0 6px; }
.lead { color: var(--ink-2); margin: -6px 0 14px; font-size: 14px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); margin-bottom: 14px; }
.grid { display: grid; gap: 12px; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-bottom: 14px; }
@media (min-width: 700px) { .grid.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); } .grid.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.tile { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; box-shadow: var(--shadow); min-width: 0; text-align: left; cursor: default; }
button.tile { cursor: pointer; }
button.tile:hover { border-color: var(--brand); }
.tile .k { font-size: 12.5px; color: var(--ink-2); display: flex; gap: 6px; align-items: center; }
.tile .v { font-size: 22px; font-weight: 700; letter-spacing: .01em; font-variant-numeric: tabular-nums; margin-top: 2px; overflow-wrap: anywhere; }
.tile .s { font-size: 12px; color: var(--ink-3); }
.hero { background: linear-gradient(135deg, var(--brand), color-mix(in srgb, var(--brand) 70%, #2a78d6)); color: var(--brand-ink); border: 0; }
.hero .k, .hero .s { color: color-mix(in srgb, var(--brand-ink) 85%, transparent); }
.hero .v { font-size: 34px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 8px 16px; border-radius: 12px; border: 1px solid var(--line); background: var(--surface); cursor: pointer; font-weight: 600; text-decoration: none; color: var(--ink); }
.btn:hover { border-color: var(--brand); }
.btn.primary { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
.btn.danger { color: var(--bad); }
.btn.small { min-height: 36px; padding: 4px 12px; font-size: 14px; border-radius: 10px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, .tile:focus-visible { outline: 3px solid color-mix(in srgb, var(--brand) 55%, transparent); outline-offset: 2px; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.stack > * + * { margin-top: 10px; }
label.f { display: block; font-size: 14px; color: var(--ink-2); margin-bottom: 10px; }
label.f > span { display: block; margin-bottom: 4px; font-weight: 600; color: var(--ink); }
input[type=text], input[type=email], input[type=password], input[type=date], input[type=number], input[type=search], select, textarea {
  width: 100%; min-height: 44px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
textarea { min-height: 80px; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 99px; border: 1px solid var(--line); background: var(--surface); font-size: 13.5px; cursor: pointer; min-height: 36px; }
.chip[aria-pressed="true"] { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
.chip .n { font-weight: 700; }
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 2px 9px; border-radius: 99px; font-size: 12.5px; font-weight: 600; white-space: nowrap; }
.badge .svg { width: 14px; height: 14px; }
.b-good { background: var(--good-soft); color: var(--good); } .b-warn { background: var(--warn-soft); color: var(--warn); }
.b-bad { background: var(--bad-soft); color: var(--bad); } .b-info { background: var(--info-soft); color: var(--info); } .b-mute { background: var(--surface-2); color: var(--ink-2); }
.list { list-style: none; margin: 0; padding: 0; }
.item { display: flex; gap: 12px; align-items: flex-start; padding: 12px; border-radius: 12px; border: 1px solid var(--line); background: var(--surface); margin-bottom: 8px; text-decoration: none; color: inherit; }
a.item:hover { border-color: var(--brand); }
.item .ic { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; flex: none; background: var(--surface-2); color: var(--ink-2); }
.item .ic.good { background: var(--good-soft); color: var(--good); } .item .ic.warn { background: var(--warn-soft); color: var(--warn); } .item .ic.bad { background: var(--bad-soft); color: var(--bad); }
.item .body { flex: 1; min-width: 0; }
.item .t { font-weight: 600; overflow-wrap: anywhere; }
.item .m { font-size: 13px; color: var(--ink-2); overflow-wrap: anywhere; }
.item .amt { font-weight: 700; font-variant-numeric: tabular-nums; white-space: nowrap; text-align: right; }
.reasons { margin: 6px 0 0; padding-left: 18px; font-size: 13px; color: var(--ink-2); }
table.t { width: 100%; border-collapse: collapse; font-size: 14px; }
table.t th, table.t td { padding: 8px 6px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; overflow-wrap: anywhere; }
table.t th { font-size: 12.5px; color: var(--ink-2); font-weight: 600; }
table.t td.num, table.t th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.kv { display: grid; grid-template-columns: minmax(110px, 38%) 1fr; gap: 6px 12px; font-size: 14px; }
.kv dt { color: var(--ink-2); } .kv dd { margin: 0; overflow-wrap: anywhere; }
.proof { display: flex; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.proof:last-child { border-bottom: 0; }
.conf { height: 6px; border-radius: 99px; background: var(--surface-2); overflow: hidden; width: 90px; display: inline-block; vertical-align: middle; }
.conf > i { display: block; height: 100%; background: var(--brand); border-radius: 99px; }
.empty { text-align: center; color: var(--ink-2); padding: 28px 12px; }
.empty .svg { width: 40px; height: 40px; color: var(--ink-3); }
.toast { position: fixed; left: 50%; bottom: 88px; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 12px; z-index: 50; max-width: calc(100vw - 32px); box-shadow: var(--shadow); transition: opacity .25s; font-size: 14px; }
.muted { color: var(--ink-2); font-size: 13.5px; }
.tiny { font-size: 12px; color: var(--ink-3); }
.sep { height: 1px; background: var(--line); margin: 14px 0; border: 0; }
details > summary { cursor: pointer; font-weight: 600; min-height: 36px; display: flex; align-items: center; gap: 6px; }
.src-tiles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
@media (min-width: 700px) { .src-tiles { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.src { display: flex; flex-direction: column; gap: 6px; align-items: flex-start; padding: 14px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface); cursor: pointer; text-align: left; min-height: 104px; }
.src[aria-pressed="true"] { border-color: var(--brand); box-shadow: 0 0 0 2px var(--brand-soft); }
.src .svg { width: 26px; height: 26px; color: var(--brand); }
.src b { font-size: 15px; } .src small { color: var(--ink-3); font-size: 12px; }
.drop { border: 2px dashed var(--line); border-radius: var(--radius); padding: 22px 14px; text-align: center; background: var(--surface); }
.drop.over { border-color: var(--brand); background: var(--brand-soft); }

/* ログイン */
.login { max-width: 420px; margin: 6vh auto 40px; padding: 0 16px; }
.login .logo { justify-content: center; font-size: 20px; margin-bottom: 6px; }
.tabs { display: flex; background: var(--surface-2); padding: 4px; border-radius: 12px; margin: 16px 0; }
.tabs button { flex: 1; border: 0; background: transparent; padding: 8px; border-radius: 9px; cursor: pointer; font-weight: 600; color: var(--ink-2); min-height: 40px; }
.tabs button[aria-selected="true"] { background: var(--surface); color: var(--ink); box-shadow: var(--shadow); }
.pin { display: flex; gap: 8px; justify-content: center; margin: 12px 0; }
.pin input { width: 44px; height: 52px; text-align: center; font-size: 22px; font-weight: 700; padding: 0; }
.or { text-align: center; color: var(--ink-3); font-size: 13px; margin: 14px 0; }

/* グラフ */
.chart { position: relative; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart .grid-l { stroke: var(--line); stroke-width: 1; }
.chart .axis-t { fill: var(--ink-3); font-size: 11px; }
.chart .s1 { stroke: var(--series-1); } .chart .s2 { stroke: var(--series-2); }
.chart .d1 { fill: var(--series-1); } .chart .d2 { fill: var(--series-2); }
.chart .lab { fill: var(--ink-2); font-size: 11.5px; font-weight: 600; }
.chart .cross { stroke: var(--ink-3); stroke-width: 1; stroke-dasharray: 3 3; }
.tip { position: absolute; pointer-events: none; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: 10px; padding: 8px 10px; font-size: 12.5px; min-width: 150px; z-index: 2; }
.tip .r { display: flex; gap: 8px; align-items: center; justify-content: space-between; }
.key { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: middle; }
.key.k1 { background: var(--series-1); } .key.k2 { background: var(--series-2); }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 13px; color: var(--ink-2); margin-bottom: 6px; }

/* 動き */
.fade { animation: fade .25s ease both; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; } }
:root[data-motion="off"] *, :root[data-motion="off"] *::before, :root[data-motion="off"] *::after { animation: none !important; transition: none !important; }

.logo { text-decoration: none; color: inherit; }
.grid > .wide { grid-column: span 2; }
@media (min-width: 700px) { .grid > .wide { grid-column: auto; } }
.maps { display: grid; gap: 10px; margin-bottom: 12px; }
.map { display: grid; gap: 6px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.map-l { font-weight: 600; display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
@media (min-width: 700px) { .map { grid-template-columns: 220px 1fr; align-items: start; } }
.rule { border: 1px solid var(--line); border-radius: 12px; padding: 12px; margin-bottom: 10px; }
.rule-h { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; justify-content: space-between; margin-bottom: 6px; }