/* tools.css — shared shell for the tool pages of csv.format-portal.com
   (json.html / pdf.html / ai.html, JA + EN). Matches the portal's editorial look. */

*,*::before,*::after{box-sizing:border-box}
:root{
  --paper:#faf8f5; --surface:#fff; --ink:#14161a; --ink-2:#43474f; --ink-3:#7c818a;
  --line:#e5e1d9; --line-strong:#d3cec3; --accent:#c4472c; --accent-soft:#fbeee9;
  --indigo:#1d3557; --tip:#0d6a58; --tip-soft:#eaf5f1; --warn:#a8641b; --warn-soft:#fdf3e4;
  --radius:10px; --maxw:1180px; --code-bg:#171b22;
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:"Noto Sans JP","Hiragino Sans","Yu Gothic","Meiryo",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;letter-spacing:.01em;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none;border-bottom:1px solid rgba(196,71,44,.28);transition:border-color .18s}
a:hover{border-bottom-color:var(--accent)}
code,pre,kbd{font-family:"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.hidden{display:none !important}

/* ---------- header ---------- */
.site-head{position:sticky;top:0;z-index:80;background:rgba(250,248,245,.88);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.site-head .inner{max-width:var(--maxw);margin:0 auto;padding:0 28px;height:60px;
  display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{border:0;display:flex;align-items:center;gap:9px;font-weight:700;font-size:15px;
  letter-spacing:.02em;color:var(--ink);white-space:nowrap}
.brand .mark{background:var(--ink);color:#fff;font-size:10.5px;font-weight:700;letter-spacing:.08em;
  padding:3px 7px;border-radius:4px}
.head-nav{display:flex;gap:20px;font-size:13.5px;color:var(--ink-2)}
.head-nav a{border:0;color:inherit;padding:4px 2px}
.head-nav a:hover{color:var(--accent)}
.head-nav a.here{color:var(--accent);font-weight:700}
@media (max-width:900px){.head-nav{display:none}}

/* ---------- hero ---------- */
.hero{padding:44px 0 34px;border-bottom:1px solid var(--line)}
.crumbs{font-size:12.5px;color:var(--ink-3);margin-bottom:18px}
.crumbs a{color:var(--ink-3);border:0}.crumbs a:hover{color:var(--accent)}
.crumbs .sep{margin:0 8px;color:var(--line-strong)}
.eyebrow{font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);
  font-weight:700;margin-bottom:14px}
.hero h1{font-family:"Noto Serif JP",Georgia,serif;font-size:clamp(26px,3.6vw,40px);
  line-height:1.32;margin:0 0 18px;letter-spacing:-.01em;font-weight:600}
.lead{font-size:16.5px;color:var(--ink-2);margin:0 0 20px;max-width:74ch}
.badges{display:flex;flex-wrap:wrap;gap:8px}
.badge{font-size:12px;color:var(--tip);background:var(--tip-soft);border:1px solid #cfe6de;
  padding:4px 11px;border-radius:20px;font-weight:500}

/* ---------- tool card ---------- */
.toolwrap{padding:34px 0 10px}
.toolcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:0 1px 2px rgba(20,22,26,.04),0 12px 32px -18px rgba(20,22,26,.28);overflow:hidden}
.tc-head{display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 20px;border-bottom:1px solid var(--line);background:#fcfbf8}
.tc-title{font-size:13px;font-weight:700;letter-spacing:.04em;color:var(--ink-2)}
.tc-badge{font-size:11px;color:var(--ink-3);background:#f2efe8;border:1px solid var(--line);
  padding:3px 9px;border-radius:20px}
.tc-body{padding:20px}
@media (max-width:640px){.tc-body{padding:16px}}

.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin:-4px 0 20px}
.tab{appearance:none;border:0;background:none;font-family:inherit;font-size:14px;font-weight:600;
  color:var(--ink-3);padding:10px 4px;margin-right:18px;cursor:pointer;border-bottom:2px solid transparent}
.tab:hover{color:var(--ink-2)}
.tab.on{color:var(--accent);border-bottom-color:var(--accent)}

.field{margin-bottom:14px}
.field > label{display:block;font-size:12.5px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.opts{display:flex;flex-wrap:wrap;gap:10px 18px;margin:0 0 16px;
  padding:12px 14px;background:#fbfaf7;border:1px solid var(--line);border-radius:8px}
.opts label{font-size:12.5px;color:var(--ink-2);display:flex;align-items:center;gap:6px;white-space:nowrap}
.opts .chk{cursor:pointer}
textarea,input[type=text],input[type=number],select{
  font-family:inherit;font-size:14px;color:var(--ink);background:#fff;
  border:1px solid var(--line-strong);border-radius:7px;padding:8px 10px;transition:border-color .15s,box-shadow .15s}
select{padding:7px 8px;font-size:13px}
textarea{width:100%;min-height:150px;resize:vertical;line-height:1.55;
  font-family:"SFMono-Regular",Menlo,Consolas,monospace;font-size:13px}
textarea:focus,input:focus,select:focus{outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(196,71,44,.12)}
textarea[readonly]{background:#fbfaf7}
input[type=file]{font-size:12.5px;color:var(--ink-3)}
.drophint{font-size:12.5px;color:var(--ink-3);margin-top:6px}

.btnrow{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:14px 0 0}
.btn{appearance:none;font-family:inherit;font-size:13.5px;font-weight:600;cursor:pointer;
  border:1px solid var(--line-strong);background:#fff;color:var(--ink);padding:9px 15px;
  border-radius:7px;transition:all .15s;white-space:nowrap}
.btn:hover{border-color:var(--ink-3);background:#fcfbf8}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-primary:hover{background:#ab3a22;border-color:#ab3a22;color:#fff}
.btn-dark{background:var(--indigo);border-color:var(--indigo);color:#fff}
.btn-dark:hover{background:#152842;border-color:#152842;color:#fff}
.btn-sm{padding:6px 11px;font-size:12.5px}
.spacer{flex:1}

.stat{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:12.5px;color:var(--ink-3);
  padding:10px 0 0;border-top:1px dashed var(--line);margin-top:14px}
.stat b{color:var(--ink);font-weight:700}
.report{margin-top:14px;border:1px solid #cfe6de;background:var(--tip-soft);border-radius:8px;
  padding:12px 14px;font-size:13px;color:#0a4f42;line-height:1.7}
.report.warn{border-color:#ecd9b8;background:var(--warn-soft);color:#7d4a10}
.report.err{border-color:#efd0c8;background:var(--accent-soft);color:#8d2f1b}
.report ul{margin:6px 0 0;padding-left:18px}
.report li{margin:2px 0}

/* ---------- content sections ---------- */
.sec{padding:40px 0;border-top:1px solid var(--line)}
.sec h2{font-family:"Noto Serif JP",Georgia,serif;font-size:clamp(20px,2.4vw,26px);font-weight:600;
  margin:0 0 16px;letter-spacing:-.01em}
.sec h3{font-size:15.5px;font-weight:700;margin:26px 0 10px}
.sec p{margin:0 0 14px;color:var(--ink-2)}
.sec p strong{color:var(--ink)}
.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;gap:12px}
.steps li{counter-increment:s;position:relative;padding:14px 16px 14px 48px;background:var(--surface);
  border:1px solid var(--line);border-radius:8px;font-size:14.5px;color:var(--ink-2)}
.steps li::before{content:counter(s);position:absolute;left:16px;top:14px;width:22px;height:22px;
  border-radius:50%;background:var(--accent);color:#fff;font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center}
.steps li b{display:block;color:var(--ink);margin-bottom:2px}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.feature{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:16px 18px}
.feature h3{margin:0 0 6px;font-size:14.5px}
.feature p{margin:0;font-size:13.5px;color:var(--ink-3);line-height:1.75}
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);padding:14px 0}
.faq-item summary{cursor:pointer;font-weight:600;font-size:14.5px;list-style:none;
  display:flex;align-items:flex-start;gap:10px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"Q";flex:none;width:20px;height:20px;border-radius:4px;
  background:var(--accent-soft);color:var(--accent);font-size:11px;font-weight:700;
  display:flex;align-items:center;justify-content:center;margin-top:3px}
.faq-body{font-size:14px;color:var(--ink-2);padding:8px 0 0 30px;line-height:1.8}
.related{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}
.rel{display:block;border:1px solid var(--line);border-radius:8px;padding:14px 16px;background:var(--surface);
  color:inherit;transition:border-color .15s,transform .15s}
.rel:hover{border-color:var(--accent);transform:translateY(-1px)}
.rel .t{font-weight:700;font-size:14px;color:var(--ink);display:block;margin-bottom:3px}
.rel .d{font-size:12.5px;color:var(--ink-3);display:block;line-height:1.65}

.site{margin-top:20px;border-top:1px solid var(--line);padding:28px 0 40px;background:#f6f3ee}
.site .inner{max-width:var(--maxw);margin:0 auto;padding:0 28px;display:flex;flex-wrap:wrap;
  gap:20px;justify-content:space-between;font-size:12.5px;color:var(--ink-3)}
.site a{color:var(--ink-3);border:0}.site a:hover{color:var(--accent)}
.site .links{display:flex;flex-wrap:wrap;gap:16px}

/* ---------- data table ---------- */
.tablewrap{max-height:420px;overflow:auto;border:1px solid var(--line);border-radius:8px;
  background:#fff;margin-top:12px}
table.grid{border-collapse:collapse;width:100%;font-size:12.5px}
table.grid th,table.grid td{border-bottom:1px solid var(--line);border-right:1px solid var(--line);
  padding:6px 9px;text-align:left;white-space:nowrap;max-width:320px;overflow:hidden;text-overflow:ellipsis}
table.grid thead th{position:sticky;top:0;background:#f4f1ea;font-weight:700;color:var(--ink);
  font-size:12px;z-index:1}
table.grid tbody tr:nth-child(even){background:#fcfbf8}
table.grid td.num{text-align:right}
table.grid .idx{color:var(--ink-3);background:#faf8f5;text-align:right;font-variant-numeric:tabular-nums}

/* ---------- print (PDF page) ---------- */
#printArea{display:none}
@media print{
  .site-head,.hero,.toolcard,.sec,.site,#progress,.no-print{display:none !important}
  body{background:#fff}
  #printArea{display:block}
  #printArea h1{font-size:15pt;margin:0 0 8pt}
  #printArea .pmeta{font-size:8pt;color:#666;margin:0 0 10pt}
  #printArea table{border-collapse:collapse;width:100%;table-layout:fixed}
  #printArea th,#printArea td{border:1px solid #bbb;padding:3pt 4pt;font-size:var(--pdf-fs,9pt);
    word-break:break-word;vertical-align:top}
  #printArea thead{display:table-header-group}
  #printArea tr{break-inside:avoid;page-break-inside:avoid}
  #printArea thead th{background:#eee !important;-webkit-print-color-adjust:exact;print-color-adjust:exact;font-weight:700}
  #printArea tbody tr:nth-child(even) td{background:#f7f7f7 !important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  #printArea.zebra-off tbody tr:nth-child(even) td{background:#fff !important}
}