:root {
  --bg: #0f1115;
  --card: #171a21;
  --ink: #e8eaed;
  --muted: #9aa0aa;
  --brand: #2dd4bf;
  --brand2: #38bdf8;
  --line: #2a2f3a;
  --ok: #34d399;
  --warn: #fbbf24;
}
* { box-sizing: border-box; }
/* hidden 属性を最優先で効かせる（.modal{display:flex} 等が打ち消すのを防ぐ） */
[hidden] { display: none !important; }
/* 失敗を必ず可視化する赤帯 */
#errbar { background: #3a1416; color: #fca5a5; border: 1px solid #7f1d1d; border-radius: 8px;
  padding: .6rem .9rem; margin: 0 auto 1rem; max-width: 980px; font-size: .9rem; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", "Hiragino Sans", "Noto Sans JP", sans-serif;
  line-height: 1.6;
}
.hero { padding: 2.2rem 1.2rem 1rem; max-width: 980px; margin: 0 auto; }
.hero h1 { margin: 0 0 .3rem; font-size: 1.9rem; }
.tag { font-size: .8rem; color: var(--brand); border: 1px solid var(--brand); border-radius: 999px; padding: .1rem .6rem; vertical-align: middle; }
.lead { font-size: 1.05rem; color: var(--ink); margin: .4rem 0; }
.zero { color: var(--brand); font-weight: 600; margin: .2rem 0 0; }
main { max-width: 980px; margin: 0 auto; padding: 0 1.2rem 3rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 1.1rem 1.2rem; margin: 1rem 0; }
.card h2 { margin: 0 0 .3rem; font-size: 1.2rem; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.row { display: flex; gap: .8rem; align-items: center; flex-wrap: wrap; margin: .7rem 0; }
select, button { font: inherit; }
select { background: #0d0f14; color: var(--ink); border: 1px solid var(--line); border-radius: 8px; padding: .45rem .6rem; }
button {
  background: linear-gradient(135deg, var(--brand), var(--brand2)); color: #04171a; font-weight: 700;
  border: 0; border-radius: 9px; padding: .5rem .95rem; cursor: pointer;
}
button:disabled { opacity: .45; cursor: not-allowed; filter: grayscale(.3); }
button.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
button.link { background: none; color: var(--brand2); font-weight: 600; padding: 0 .4rem; text-decoration: underline; }
.beta { font-size: .72rem; color: var(--warn); border: 1px solid var(--warn); border-radius: 999px; padding: .05rem .5rem; vertical-align: middle; }
.status { color: var(--muted); font-size: .92rem; margin: .4rem 0 0; }
.status.busy::before { content: "⏳ "; }
.status.done { color: var(--ok); }
.status.err { color: #f87171; }
.live { border-style: dashed; }
.result h3 { margin: 1.1rem 0 .4rem; font-size: 1.02rem; display: flex; align-items: center; gap: .3rem; }
.tablewrap { overflow: auto; max-height: 340px; border: 1px solid var(--line); border-radius: 8px; }
table { border-collapse: collapse; width: 100%; font-size: .86rem; }
th, td { border-bottom: 1px solid var(--line); padding: .35rem .6rem; text-align: left; white-space: nowrap; }
th { position: sticky; top: 0; background: #11141a; color: var(--brand); }
.charts { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: .8rem; }
.charts figure { margin: 0; background: #fff; border-radius: 8px; padding: .4rem; }
.charts img { width: 100%; display: block; }
.charts figcaption { color: #222; font-size: .82rem; text-align: center; padding: .3rem; }
/* Chart.js は responsive 時、親に高さが無いと潰れる → canvas-wrap で固定枠を与える */
.canvas-wrap { position: relative; height: 300px; }
.charts canvas { max-width: 100%; }
.grow { flex: 1 1 auto; }
#hitlAnalyze { margin-top: .9rem; border-top: 1px solid var(--line); padding-top: .6rem; }
#hitlAnalyze .analyze-h { margin: .2rem 0 .5rem; font-size: 1.02rem; color: var(--brand); }
#hitlNl { width: 100%; }
.report { width: 100%; height: 420px; background: #fff; border: 1px solid var(--line); border-radius: 8px; }
.verdict-ok { color: var(--ok); font-weight: 700; }
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.6); display: flex; align-items: center; justify-content: center; padding: 1rem; }
.modal-box { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 1.4rem; max-width: 540px; }
.modal-box ul { padding-left: 1.1rem; }
.modal-actions { display: flex; gap: .8rem; justify-content: flex-end; margin-top: 1rem; }
details { margin: .6rem 0; }
details summary { cursor: pointer; color: var(--brand2); }
pre.spec { background: #0d0f14; border: 1px solid var(--line); border-radius: 8px; padding: .7rem; overflow: auto; font-size: .82rem; max-height: 280px; }
.mono { font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; }
#lvSnippet { max-height: 120px; color: var(--muted); white-space: pre-wrap; word-break: break-all; }
#lvStop { color: #f87171; border-color: #7f1d1d; }
#livePanel { margin-top: .6rem; border-top: 1px solid var(--line); padding-top: .6rem; }
ol.steps { list-style: none; counter-reset: none; padding: 0; margin: 0; }
ol.steps > li { border-left: 2px solid var(--brand); padding: .5rem 0 .8rem .9rem; margin: 0 0 .2rem; }
ol.steps > li.dim { opacity: .5; border-left-color: var(--line); }
ol.steps > li > b { color: var(--brand); }
#liveResult .tablewrap { margin-top: .5rem; }
.tablewrap.raw { max-height: 260px; }
.tablewrap.raw table { font-size: .8rem; }
.tablewrap.raw td { border-bottom: 1px dashed var(--line); color: var(--muted); white-space: nowrap; }
#l0preview { margin-top: .6rem; }
input.num { width: 5rem; }
input.txt { width: 11rem; }
input[type="number"], input[type="text"] { background: #0d0f14; color: var(--ink); border: 1px solid var(--line); border-radius: 7px; padding: .35rem .5rem; }
input[type="file"] { color: var(--muted); }
.adv-summary { cursor: pointer; font-weight: 700; color: var(--brand); padding: .2rem 0; }
.tablewrap.grid td:first-child { position: sticky; left: 0; background: #11141a; color: var(--brand2); font-weight: 700; }
.foot { text-align: center; color: var(--muted); font-size: .82rem; padding: 1.5rem; border-top: 1px solid var(--line); }