/* Halaman Verify & Field guide */
.page { padding-top: 64px; }
.phead2 { max-width: 760px; margin-bottom: 52px; }
.phead2 h1 { font-size: clamp(38px, 5vw, 64px); line-height: 1; letter-spacing: -.035em; font-weight: 720; margin: 16px 0 18px; }
.phead2 h1 span { color: var(--ink3); }
.phead2 p { font-size: 17.5px; color: var(--ink2); margin: 0 0 14px; max-width: 620px; }
.small { font-size: 12.5px; color: var(--ink3); margin: 14px 0 0; line-height: 1.5; }

.vgrid { display: grid; grid-template-columns: 1.1fr 1fr 1fr; gap: 14px; }
.vcard { background: var(--paper2); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.vcard .k { display: block; margin-bottom: 12px; }
.vrow { display: flex; justify-content: space-between; gap: 14px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.vrow span { color: var(--ink2); } .vrow b, .vrow a { font-weight: 600; text-align: right; }
.vrow a { color: var(--copper); }
.vrow.total { border-bottom: 0; } .vrow.total b { font-size: 20px; }
.vverdict { margin: 10px 0 0; padding: 10px 12px; border-radius: 8px; font-weight: 650; font-size: 14px; }
.vverdict.ok { background: var(--mint-soft); color: #185a40; }
.vverdict.bad { background: #f6d6cc; color: #8a2a12; }
.vsec { padding-top: 80px; }
.okc { color: var(--mint); font-weight: 800; } .badc { color: #b23a1b; font-weight: 800; }
.tlist { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 24px; }
.tlist div { display: flex; gap: 10px; align-items: baseline; padding: 9px 4px; border-bottom: 1px solid var(--line); font-size: 13px; }
.tlist span { color: var(--mint); font-weight: 800; } .tlist .bad span { color: #b23a1b; }
.tlist code { font-family: var(--mono); font-size: 12.5px; }
.tlist em { margin-left: auto; font-style: normal; font-family: var(--mono); font-size: 11px; color: var(--ink3); }

/* field guide */
.guide { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 64px; align-items: start; }
.toc { position: sticky; top: 92px; display: grid; gap: 2px; }
.toc a { display: flex; gap: 12px; padding: 8px 10px; border-radius: 8px; font-size: 14px; color: var(--ink2); font-weight: 550; }
.toc a span { font: 600 11px/1.6 var(--mono); color: var(--ink3); }
.toc a.on { background: var(--paper2); color: var(--ink); box-shadow: inset 2px 0 0 var(--copper); }
.ch { padding: 0 0 72px; scroll-margin-top: 90px; max-width: 720px; }
.ch .k { display: block; margin-bottom: 10px; }
.ch h2 { font-size: clamp(28px, 3.4vw, 40px); letter-spacing: -.03em; line-height: 1.05; margin: 0 0 16px; font-weight: 720; }
.ch p { color: var(--ink2); font-size: 16.5px; line-height: 1.65; margin: 0 0 14px; }
.ch code, .formula { font-family: var(--mono); font-size: 13.5px; background: var(--paper2); border: 1px solid var(--line); border-radius: 6px; padding: 2px 6px; }
.formula { display: block; padding: 16px 18px; margin: 18px 0; line-height: 1.7; color: var(--ink); overflow-x: auto; white-space: pre; }
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; margin: 22px 0; background: var(--paper2); }
.timeline div { padding: 14px; border-right: 1px solid var(--line); }
.timeline div:last-child { border-right: 0; }
.timeline b { display: block; font: 700 13px/1 var(--mono); color: var(--copper); margin-bottom: 8px; }
.timeline span { font-size: 13.5px; color: var(--ink2); }
.split5050 { display: flex; height: 46px; border-radius: 10px; overflow: hidden; margin: 22px 0 10px; font: 700 13px/46px var(--mono); }
.split5050 i { font-style: normal; text-align: center; }
.split5050 i:first-child { flex: 1; background: var(--ink); color: var(--paper2); }
.split5050 i:last-child { flex: 1; background: var(--paper3); color: var(--ink); }
.ch .tbl { background: var(--paper2); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; margin: 18px 0; }

@media (max-width: 960px) {
  .vgrid { grid-template-columns: 1fr; }
  .tlist { grid-template-columns: 1fr; }
  .guide { grid-template-columns: 1fr; gap: 24px; }
  .toc { position: static; grid-template-columns: 1fr 1fr; }
  .timeline { grid-template-columns: 1fr 1fr; }
  .timeline div:nth-child(2) { border-right: 0; }
  .timeline div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}