/* 年末調整Web申告：左に質問、右に判定結果。スマホでは縦積み */
:root{
  --bg:#f3f5f4; --paper:#ffffff; --ink:#1d2b28; --muted:#5f6f6b; --line:#c9d3d0;
  --accent:#1f6b5c; --accent-soft:#e3efeb; --warn:#9a5b00; --warn-soft:#fbf1df; --ok:#1f6b3a; --ok-soft:#e4f2e8; --bad:#a3312a;
  --f-body:"BIZ UDPGothic","Hiragino Sans","Yu Gothic",system-ui,sans-serif;
  --f-disp:"Zen Old Mincho","Hiragino Mincho ProN","Yu Mincho",serif;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#141a19; --paper:#1c2422; --ink:#e3ebe8; --muted:#9aaba6; --line:#34423f;
  --accent:#6cc2ad; --accent-soft:#1f3631; --warn:#e9b25c; --warn-soft:#3a2e1a; --ok:#7fd19a; --ok-soft:#1d3324; --bad:#f08a80; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#141a19; --paper:#1c2422; --ink:#e3ebe8; --muted:#9aaba6; --line:#34423f;
  --accent:#6cc2ad; --accent-soft:#1f3631; --warn:#e9b25c; --warn-soft:#3a2e1a; --ok:#7fd19a; --ok-soft:#1d3324; --bad:#f08a80; color-scheme:dark}
[hidden]{display:none!important}
*{box-sizing:border-box}
html{scroll-padding-top:64px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:15px;line-height:1.7;padding-inline:16px;padding-block:20px 64px}
.wrap{max-width:1240px;margin:0 auto;display:flex;flex-direction:column;gap:16px}
.top{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px}
h1{font-family:var(--f-disp);font-size:1.6rem;margin:0;letter-spacing:.04em;text-wrap:balance}
.sub{color:var(--muted);font-size:.85rem;margin:2px 0 0}
.tag{display:inline-block;font-size:.72rem;letter-spacing:.08em;padding:2px 8px;border-radius:3px;background:var(--warn-soft);color:var(--warn);font-weight:700}
.steps{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:var(--bg);display:flex;gap:6px;overflow-x:auto;padding-block:8px;border-bottom:1px solid var(--line)}
.steps a{flex:none;font-size:.8rem;color:var(--accent);text-decoration:none;border:1px solid var(--line);background:var(--paper);border-radius:999px;padding:3px 12px;white-space:nowrap}
.grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:20px;align-items:start}
@media (max-width:920px){.grid{grid-template-columns:minmax(0,1fr)}}
.col{display:flex;flex-direction:column;gap:16px;min-width:0}
.side{position:sticky;top:calc(env(safe-area-inset-top,0px) + 56px)}
@media (max-width:920px){.side{position:static}}
.stack{display:flex;flex-direction:column;gap:10px}
section.step{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:18px;display:flex;flex-direction:column;gap:14px}
.step h2{font-size:1.02rem;margin:0;display:flex;gap:10px;align-items:baseline}
.step h2 .n{font-family:var(--f-disp);color:var(--accent);font-size:1.25rem}
.hint{color:var(--muted);font-size:.82rem;margin:0}
.warnline{color:var(--warn)}
.fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}
label.f{display:flex;flex-direction:column;gap:4px;font-size:.8rem;color:var(--muted);min-width:0}
label.f.wide{grid-column:1/-1}
input,select{font:inherit;font-size:.95rem;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:4px;padding:7px 9px;width:100%;min-width:0}
input[type="checkbox"]{width:auto}
input[type="date"]{-webkit-appearance:none;appearance:none;display:block;min-height:2.45em;text-align:left}
input[type="date"]::-webkit-date-and-time-value{text-align:left}
input:disabled{opacity:.45}
input:focus,select:focus,button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.unk{display:flex;gap:6px;align-items:center;font-size:.78rem;color:var(--muted);cursor:pointer}
.q{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.q > span{font-weight:700;font-size:.92rem;margin-right:6px}
.sub-q{display:flex;flex-direction:column;gap:10px;padding-top:12px;border-top:1px dashed var(--line)}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:4px;overflow:hidden}
.seg button{font:inherit;font-size:.88rem;border:0;background:var(--bg);color:var(--ink);padding:6px 14px;cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--accent);color:var(--paper);font-weight:700}
.checks{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:.9rem}
.checks label{display:flex;gap:6px;align-items:center;cursor:pointer}
.person{border:1px dashed var(--line);border-radius:5px;padding:12px;display:flex;flex-direction:column;gap:10px}
.person-head{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}
.pill{font-size:.75rem;font-weight:700;padding:2px 9px;border-radius:999px;background:var(--accent-soft);color:var(--accent)}
.pill.none{background:var(--bg);color:var(--muted);border:1px solid var(--line)}
.pill.warn{background:var(--warn-soft);color:var(--warn)}
.btn{font:inherit;font-size:.9rem;border:1px solid var(--accent);background:transparent;color:var(--accent);padding:7px 14px;border-radius:4px;cursor:pointer}
.btn.primary{background:var(--accent);color:var(--paper);font-weight:700}
.btn.small{font-size:.78rem;padding:3px 10px;border-color:var(--line);color:var(--muted)}
.btn:disabled{opacity:.5;cursor:default}
.btn-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.calc{font-size:.8rem;color:var(--muted);font-variant-numeric:tabular-nums;margin:0}
.calc-card{background:var(--accent-soft);border-radius:5px;padding:12px;font-size:.85rem;font-variant-numeric:tabular-nums}
.calc-card table{width:100%;border-collapse:collapse}
.calc-card td{padding:2px 0}
.calc-card td:last-child{text-align:right;font-weight:700}
.panel{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:16px;display:flex;flex-direction:column;gap:12px}
.judge h3{font-size:.9rem;margin:0;color:var(--accent);font-family:var(--f-disp);letter-spacing:.04em}
.judge ul{margin:0;padding-left:1.1em;font-size:.82rem;display:flex;flex-direction:column;gap:3px}
.judge li.warn{color:var(--warn)}
.judge .row{display:flex;justify-content:space-between;gap:10px;font-size:.84rem;font-variant-numeric:tabular-nums}
.judge .row b{white-space:nowrap}
.judge hr{border:0;border-top:1px solid var(--line);margin:0}
.scroll{overflow-x:auto}
table.sum{border-collapse:collapse;width:100%;font-size:.8rem;font-variant-numeric:tabular-nums}
table.sum th,table.sum td{border:1px solid var(--line);padding:5px 7px;text-align:left;vertical-align:top}
table.sum th{background:var(--accent-soft);color:var(--accent);white-space:nowrap}
.filelist{margin:0;padding-left:1.1em;font-size:.82rem;color:var(--muted)}
.consent{display:flex;gap:8px;align-items:center;font-size:.9rem;font-weight:700}
.toast{font-size:.9rem;font-weight:700;margin:0}
.toast.ok{color:var(--ok)} .toast.err{color:var(--bad)} .toast.warn{color:var(--warn)}
.foot{font-size:.76rem;color:var(--muted);line-height:1.6;margin:0}
.done{background:var(--ok-soft);color:var(--ok);border-radius:6px;padding:16px;font-weight:700}
@media (prefers-reduced-motion:no-preference){.seg button,.btn{transition:background .15s}}

.ex .toolbar{display:flex;justify-content:space-between;align-items:center;gap:10px}
.ex-h{margin:0;font-size:1.05rem;font-family:var(--f-disp)}
.ex-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}
.ex-grid a{display:flex;flex-direction:column;gap:6px;text-decoration:none;color:var(--ink);font-size:.82rem;font-weight:700;min-width:0}
.ex-grid img{width:100%;max-width:100%;height:auto;border:1px solid var(--line);border-radius:4px;background:#fff}
a.btn{text-decoration:none;display:inline-block}

.cert{display:flex;flex-direction:column;gap:6px;padding-top:8px;border-top:1px dashed var(--line)}
.cert-btn{align-self:flex-start;cursor:pointer;color:var(--accent);border-color:var(--accent)}
.cert .filelist li{display:flex;gap:8px;align-items:center;flex-wrap:wrap}

input.is-err,select.is-err{border-color:var(--bad);background:color-mix(in srgb,var(--bad) 8%,var(--bg));box-shadow:0 0 0 2px color-mix(in srgb,var(--bad) 25%,transparent)}
label.f.is-err{color:var(--bad);font-weight:700}
.seg.is-err{border-color:var(--bad);box-shadow:0 0 0 2px color-mix(in srgb,var(--bad) 25%,transparent)}
.q.is-err > span{color:var(--bad)}
.errlink{font:inherit;font-size:.82rem;margin:4px 6px 0 0;padding:2px 10px;border-radius:999px;border:1px solid var(--warn);background:var(--warn-soft);color:var(--warn);cursor:pointer}