/* つまずきやすい点。style.css と flow.css の上に重ねる（紫は AI の印） */
.pgrid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.pcard { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 13px 15px; display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.pcard h3 { margin: 0; font-size: 15px; display: flex; align-items: center; gap: 8px; }
.pcard p { margin: 0; font-size: 12.5px; color: var(--ink2); }
.pcard .ex { font-size: 12px; background: var(--line2); border-radius: 8px; padding: 6px 10px; color: var(--ink); overflow-wrap: anywhere; }
.pcard .ex b { font-size: 11px; color: var(--muted); margin-right: 6px; }
.pcard .in { font-size: 12px; color: #1d4ed8; }
.pcard .cs { margin-top: auto; font-size: 11.5px; color: var(--muted); }
.pcard .cs a { color: #1d4ed8; }
.aitag { font-style: normal; font-family: var(--latin); font-size: 10.5px; font-weight: 600; background: #ede9fe; color: #5b21b6; border-radius: 5px; padding: 1px 5px; }

/* 体験の欄 */
.demos2 { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 10px; margin-top: 10px; }
.demo { padding: 14px 16px; display: grid; gap: 10px; align-content: start; min-width: 0; }
#time .demo, #numbers .demo, #compare .demo { margin-top: 10px; }
.demo h3 { margin: 0; font-size: 15.5px; }
.demo .dn { margin: 0; font-size: 12.5px; color: var(--ink2); }
.demo .row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.demo input { font: inherit; font-size: 16px; border: 1px solid var(--line); border-radius: 10px; padding: 7px 10px; background: #fff; color: var(--ink); min-width: 0; flex: 1 1 200px; }
.demo .nums input { flex: 1 1 90px; max-width: 160px; font-family: var(--latin); }
.demo input[type="date"] { flex: 0 1 180px; }
.demo .row span { font-weight: 700; color: var(--muted); }
.dbtn { appearance: none; font: inherit; font-size: 13px; font-weight: 700; border: 1px solid var(--line); background: var(--paper); color: var(--ink); border-radius: 999px; padding: 6px 13px; cursor: pointer; }
.dbtn.main { background: var(--ink); border-color: var(--ink); color: #fff; }
.dbtn[aria-pressed="true"] { background: #2563eb; border-color: #2563eb; color: #fff; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips button { appearance: none; font: inherit; font-size: 12.5px; font-weight: 700; border: 1px solid var(--line); background: var(--paper); color: var(--ink2); border-radius: 8px; padding: 4px 10px; cursor: pointer; }
.chips button:hover, .dbtn:hover { border-color: #94a3b8; }
.ctab { width: 100%; border-collapse: collapse; font-size: 13px; }
.ctab th, .ctab td { padding: 8px 6px; border-bottom: 1px solid var(--line2); text-align: left; vertical-align: top; }
.ctab th small, .ctab td small { display: block; font-size: 11px; font-weight: 500; color: var(--muted); font-family: var(--latin); }
.ctab td { font-family: var(--latin); font-size: 15px; font-weight: 600; text-align: right; overflow-wrap: anywhere; }
.ctab td.bad { color: #b91c1c; }
.ctab td.good { color: var(--k-test); }
.dst { font-style: normal; font-family: var(--sans); font-size: 10.5px; font-weight: 700; background: #fef3c7; color: #92400e; border-radius: 5px; padding: 1px 6px; margin-left: 6px; }
.dnote { margin: 0; font-size: 12.5px; color: var(--ink2); background: #fffbeb; border-radius: 8px; padding: 7px 10px; }
.mres { display: grid; gap: 8px; }
.mres[hidden] { display: none; }
.mres > div { display: grid; gap: 3px; }
.mres b { font-size: 11.5px; color: var(--muted); }
.mres code { font-family: var(--latin); font-size: 12px; background: var(--line2); border-radius: 8px; padding: 6px 9px; overflow-wrap: anywhere; }
.mres output { font-size: 17px; background: #0f172a; color: #f8fafc; border-radius: 8px; padding: 8px 10px; overflow-wrap: anywhere; min-height: 1.6em; }
.mres small { font-size: 11.5px; color: var(--muted); }
.sres { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.sres > div { background: var(--line2); border-radius: 10px; padding: 9px 12px; min-width: 0; }
.sres b { display: block; font-size: 12.5px; }
.sres small { font-size: 11px; color: var(--muted); }
.sres ol { margin: 6px 0 0; padding-left: 1.4em; font-family: var(--latin); font-size: 13.5px; overflow-wrap: anywhere; }

/* チェックリスト */
.mlist { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.mlist label { display: flex; gap: 10px; align-items: flex-start; padding: 7px 4px; border-radius: 8px; cursor: pointer; font-size: 13.5px; }
.mlist label:hover { background: var(--line2); }
.mlist input { margin-top: 3px; width: 16px; height: 16px; accent-color: var(--k-test); flex: none; }
.mlist input:checked + span { color: var(--muted); text-decoration: line-through; }
.ckfoot { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 8px; }
.mcount { font-size: 12.5px; font-weight: 700; color: var(--k-test); }
.ckreset { appearance: none; border: 1px solid var(--line); background: var(--paper); border-radius: 999px; padding: 5px 12px; font: inherit; font-size: 12.5px; font-weight: 700; color: var(--ink2); cursor: pointer; }
#mistakes .src { margin-top: 14px; }
.demo input:focus-visible, .dbtn:focus-visible, .chips button:focus-visible, .mlist input:focus-visible, .ckreset:focus-visible { outline: 3px solid #2563eb; outline-offset: 2px; }

@media (max-width: 1100px) {
  .pgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .demos2 { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .pgrid, .sres { grid-template-columns: 1fr; }
}