/* 文字コードと CSV・Excel。style.css と flow.css の上に重ねる */
.fhead p a, .srcl a, .ec-go a, .ec-psrc a, .ec-tnote a, .ec-points a, .foot p a { color: #1d4ed8; text-underline-offset: 2px; }
.hint { display: inline-block; vertical-align: middle; font-size: 10.5px; font-weight: 700; line-height: 1.5; color: #475569; background: #f8fafc; border: 1px dashed #94a3b8; border-radius: 999px; padding: 0 8px; margin-left: 6px; white-space: nowrap; }
.aitag { font-size: 12px; font-weight: 700; color: #6d28d9; background: #ede9fe; border-radius: 6px; padding: 2px 8px; margin-right: 8px; vertical-align: middle; }
.srcl { margin: 8px 0 0; font-size: 12px; color: var(--muted); }
.subh { margin: 22px 0 8px; font-size: 15.5px; display: flex; align-items: baseline; gap: 2px 8px; flex-wrap: wrap; }
.ec-sub { font-size: 12.5px; font-weight: 500; color: var(--muted); }
.ec-go { margin: 6px 0 0; font-size: 12.5px; font-weight: 700; display: flex; flex-wrap: wrap; gap: 4px 14px; }
.ec-go a { text-decoration: none; }
.ec-go a:hover { text-decoration: underline; }
.ec-mono { font-family: var(--latin); font-weight: 500; overflow-wrap: anywhere; }
.ec-c { font: 600 .92em var(--latin); color: var(--ink); background: var(--line2); border-radius: 5px; padding: 0 4px; overflow-wrap: anywhere; }
.ec-ob > b .ec-c { color: var(--ink2); }
.ec-tnote { margin: 8px 0 0; font-size: 12.5px; color: var(--muted); }
.ec-pre { margin: 6px 0 0; background: #0f172a; color: #e2e8f0; border-radius: 10px; padding: 9px 12px; font: 500 12.5px/1.6 var(--latin); white-space: pre-wrap; overflow-wrap: anywhere; min-width: 0; }
.ec-pre code { font: inherit; }

/* カード */
.ec-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.ec-grid2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.ec-grid4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.ec-card { padding: 12px 15px; display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.ec-card h3 { margin: 0; font-size: 14.5px; display: flex; flex-wrap: wrap; align-items: center; gap: 2px 4px; }
.ec-card p { margin: 4px 0 0; font-size: 13px; color: var(--ink2); }
.ec-card .srcl, .ec-card .ec-go { margin-top: auto; padding-top: 6px; }
.ec-card .ec-go + .srcl { margin-top: 0; }
.ec-card.ai { background: #faf8ff; border-color: #dccdfb; }

/* 入力と選ぶボタン */
.ec-in { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.ec-in > span { font-size: 12px; font-weight: 700; color: var(--muted); }
.ec-in input, .ec-in textarea { font: 500 15px/1.5 var(--sans); color: var(--ink); background: var(--paper); border: 1px solid #cbd5e1; border-radius: 10px; padding: 7px 10px; width: 100%; min-width: 0; resize: vertical; }
.ec-presets { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.ec-chip { appearance: none; font: inherit; font-size: 12.5px; color: var(--ink2); background: var(--line2); border: 1px solid transparent; border-radius: 999px; padding: 3px 11px; cursor: pointer; }
.ec-chip:hover { border-color: #94a3b8; color: var(--ink); }
.ec-row { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; margin-top: 10px; }
.ec-rl { font-size: 12px; font-weight: 700; color: var(--muted); min-width: 7.5em; }
.ec-pills { display: flex; flex-wrap: wrap; gap: 6px; min-width: 0; }
.ec-pill { appearance: none; font: inherit; font-size: 12.5px; font-weight: 700; color: var(--ink); background: var(--paper); border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px; cursor: pointer; text-align: left; }
.ec-pill:hover { border-color: #94a3b8; }
.ec-pill[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
.ec-btn { appearance: none; font: inherit; font-size: 12.5px; font-weight: 700; color: var(--ink); background: var(--paper); border: 1px solid var(--line); border-radius: 999px; padding: 5px 13px; cursor: pointer; }
.ec-btn:hover { border-color: #94a3b8; }
.ec-btn[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }

/* 文字化けの道具 */
.ec-lab, .ec-bomlab, .ec-csv, .ec-judge, .ec-insp, .ec-rules { padding: 14px 16px; }
.ec-out { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 10px; margin-top: 12px; }
.ec-ob { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.ec-ob > b { font-size: 12px; color: var(--muted); }
.ec-hex { display: flex; flex-wrap: wrap; gap: 3px; font: 600 12.5px/1.6 var(--latin); background: #0f172a; color: #e2e8f0; border-radius: 10px; padding: 8px 10px; min-height: 2.6em; align-content: flex-start; }
.ec-g { border-radius: 4px; padding: 0 4px; background: rgba(148, 163, 184, .16); }
.ec-g.alt { background: rgba(96, 165, 250, .26); }
.ec-g.bad { background: rgba(239, 68, 68, .45); color: #fff; }
.ec-g.bom { background: rgba(167, 139, 250, .5); color: #fff; }
.ec-read { display: block; font-size: 20px; line-height: 1.5; background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: 6px 12px; overflow-wrap: anywhere; min-height: 2.2em; }
.ec-read.ng { border-color: #fca5a5; background: #fef2f2; }
.ec-read.ok { border-color: #86efac; background: #f0fdf4; }
.ec-onote { grid-column: 1 / -1; margin: 0; font-size: 13px; border-radius: 10px; padding: 7px 11px; }
.ec-onote.ok { background: #f0fdf4; color: #14532d; }
.ec-onote.ng { background: #fffbeb; color: #78350f; }
.ec-labnote { margin: 10px 0 0; font-size: 12.5px; color: var(--muted); }
.ec-warn { margin: 10px 0 0; font-size: 13px; color: #991b1b; }

/* 表 */
.ec-tw { overflow-x: auto; min-width: 0; }
.ec-table { border-collapse: collapse; width: 100%; font-size: 13px; }
.ec-table th, .ec-table td { text-align: left; padding: 6px 9px; border-bottom: 1px solid var(--line2); vertical-align: top; }
.ec-table thead th { font-size: 12px; color: var(--muted); white-space: nowrap; }
.ec-card .ec-table { font-size: 12.5px; }
.ec-chr { font-size: 18px; line-height: 1.3; white-space: nowrap; }
.ec-bytes { padding: 8px 14px 12px; }
.ec-no { color: #b91c1c; font-weight: 700; }
.ec-tag { display: inline-block; font-size: 11.5px; line-height: 1.5; border-radius: 6px; padding: 1px 7px; margin: 0 4px 3px 0; background: var(--line2); color: var(--ink2); }
.ec-tag.ok { background: #dcfce7; color: #166534; }
.ec-tag.warn { background: #fef3c7; color: #92400e; }
.ec-tag.ng { background: #fee2e2; color: #991b1b; }
.ec-sum { margin: 12px 0 4px; font-size: 13px; color: var(--ink2); }
.ec-sum b { font-family: var(--latin); color: var(--ink); margin: 0 3px; }

/* BOM のあり・なし */
.ec-ebar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 6px 12px; }
.ec-hexwide { margin-top: 8px; }
.ec-readers { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.3fr) minmax(0, 1fr); gap: 10px; margin-top: 10px; }
.ec-reader { background: var(--line2); border-radius: 10px; padding: 9px 12px; min-width: 0; }
.ec-reader > b { font-size: 13px; }
.ec-reader p { margin: 6px 0 0; font-size: 13px; color: var(--ink2); }

/* CSV */
.ec-rlist { margin: 0; padding-left: 1.5em; display: grid; gap: 4px; font-size: 13.5px; color: var(--ink2); }
.ec-rlist li::marker { font-family: var(--latin); font-weight: 600; color: var(--muted); }
.ec-fields { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, .9fr) minmax(0, 1.2fr) minmax(0, 1.2fr); gap: 8px; margin-top: 10px; }
.ec-inwide { margin-top: 10px; }
.ec-inwide textarea { font-family: var(--latin); font-size: 13.5px; }
.ec-csvout { margin-top: 10px; display: grid; gap: 8px; }
.ec-line { display: block; font: 500 13.5px/1.7 var(--latin); background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: 7px 11px; overflow-wrap: anywhere; white-space: pre-wrap; }
.ec-f.q { background: #eff6ff; border-radius: 4px; }
.ec-qt { color: #1d4ed8; font-weight: 700; }
.ec-dq { color: #c2410c; font-weight: 700; background: #ffedd5; border-radius: 3px; }
.ec-nl { display: inline-block; color: #6d28d9; background: #ede9fe; font: 700 10.5px/1.4 var(--latin); border-radius: 4px; padding: 0 3px; margin: 0 2px; vertical-align: 1px; }
.ec-eol { margin-left: 4px; }
.ec-comma { color: #b91c1c; font-weight: 700; }
.ec-emptyf { color: var(--muted); font-style: normal; font-size: 11.5px; }
.ec-why { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 12px; font-size: 12.5px; color: var(--ink2); }
.ec-why b { margin-right: 6px; color: var(--ink); }
.ec-ptable caption { text-align: left; font-size: 12px; font-weight: 700; color: var(--muted); padding-bottom: 4px; }
.ec-ptable th { color: var(--muted); font-family: var(--latin); width: 2em; }
.ec-ptable td { background: var(--paper); border: 1px solid var(--line2); }

/* 選ぶ問題 */
.ec-quiz { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; counter-reset: q; }
.ec-quiz li { counter-increment: q; background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; min-width: 0; }
.ec-quiz li::before { content: 'Q' counter(q); font: 600 12px var(--latin); color: var(--muted); }
.ec-quiz li.ok { border-color: #86efac; background: #f0fdf4; }
.ec-quiz li.ng { border-color: #fca5a5; background: #fef2f2; }
.ec-ask { margin: 6px 0 0; font-size: 13.5px; font-weight: 700; }
.ec-ask code { font-size: 14px; background: var(--line2); border-radius: 6px; padding: 1px 6px; }
.ec-ch { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.ec-ch button { appearance: none; font: 600 12.5px var(--latin); color: var(--ink); background: var(--paper); border: 1px solid #cbd5e1; border-radius: 999px; padding: 5px 13px; cursor: pointer; max-width: 100%; overflow-wrap: anywhere; text-align: left; }
.ec-ch button:hover { border-color: #64748b; }
.ec-ch button[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
.ec-qwhy { margin-top: 8px; font-size: 13px; color: var(--ink2); }
.ec-qwhy b { color: var(--ink); }
.ec-qwhy p { margin: 4px 0 0; }
.ec-score { margin: 10px 0 0; font-size: 14px; display: flex; flex-wrap: wrap; align-items: center; gap: 4px 10px; }
.ec-score:empty { display: none; }
.ec-score b { font-family: var(--latin); font-size: 18px; color: #0f766e; }

/* Excel の判定 */
.ec-jcols { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 18px; }
.ec-jpart { min-width: 0; }
.ec-jpart h3 { margin: 0; font-size: 14.5px; }
.ec-res { margin-top: 10px; border-radius: 10px; padding: 9px 12px; }
.ec-res b { font-size: 14px; }
.ec-res p { margin: 4px 0 0; font-size: 13px; }
.ec-res.ok { background: #f0fdf4; color: #14532d; }
.ec-res.ng { background: #fef2f2; color: #7f1d1d; }
.ec-res.unk { background: #f1f5f9; color: #334155; }
.ec-cell { display: inline-block; font: 600 16px var(--latin); background: var(--paper); border: 2px solid #217346; border-radius: 3px; padding: 2px 10px; min-width: 6em; overflow-wrap: anywhere; }

/* PHP と Laravel */
.ec-codes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.ec-ccard { padding: 12px 15px; display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.ec-ccard h3 { margin: 0; font-size: 15px; }
.ec-wide { grid-column: 1 / -1; }
.ec-file { margin: 0; font: 500 12px var(--latin); color: var(--muted); overflow-wrap: anywhere; }
.ec-cc2 { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 14px; }
.ec-sublabel { margin: 6px 0 0; font-size: 12px; font-weight: 700; color: var(--muted); }
.ec-points { margin: 8px 0 0; padding-left: 1.2em; display: grid; gap: 5px; font-size: 13px; color: var(--ink2); }
.ec-psrc { font-size: 12px; color: var(--muted); }

/* 気をつける文字 */
.ec-ex { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; }
.ec-ex code { font-size: 15px; background: var(--line2); border-radius: 6px; padding: 2px 8px; }
.ec-see { padding: 3px 11px; font-size: 12px; }

/* チェックリスト */
.cklist { padding: 10px 16px; }
.ckgrid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 4px 22px; }
.ckgrid h3 { margin: 4px 0 4px; font-size: 14.5px; }
.mlist { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.mlist label { display: flex; gap: 9px; align-items: flex-start; font-size: 13.5px; cursor: pointer; padding: 5px 0; }
.mlist input { flex: none; width: 17px; height: 17px; margin: 2px 0 0; accent-color: #0d9488; cursor: pointer; }
.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; }
.ckcount { font-family: var(--latin); font-size: 13px; color: var(--muted); }
.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; }

.ec-pill:focus-visible, .ec-chip:focus-visible, .ec-btn:focus-visible, .ec-ch button:focus-visible, .ec-in input:focus-visible, .ec-in textarea:focus-visible, .ec-go a:focus-visible, .srcl a:focus-visible, .ec-psrc a:focus-visible, .ec-tnote a:focus-visible, .ec-points a:focus-visible, .mlist input:focus-visible, .ckreset:focus-visible { outline: 3px solid #2563eb; outline-offset: 2px; }

@media (max-width: 1100px) {
  .ec-grid, .ec-grid4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ec-readers { grid-template-columns: minmax(0, 1fr); }
  .ec-fields { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ec-quiz { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ec-cc2 { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 760px) {
  .ec-grid, .ec-grid2, .ec-grid4, .ec-out, .ec-fields, .ec-quiz, .ec-jcols, .ec-codes, .ckgrid { grid-template-columns: minmax(0, 1fr); }
  .ec-rl { min-width: 0; width: 100%; }
  .ec-pre { font-size: 12px; }
  .ec-read { font-size: 18px; }
}