/* Tap Auto Lab Tools 共通スタイル */
:root {
  --bg: #f3f3f2;
  --panel: #e2e2e0;
  --ink: #151515;
  --sub: #7a7a78;
  --faint: #b4b4b1;
  --line: #d6d6d3;
  --field: #ffffff;
  --ok: #2f6b45;
  --err: #a3302a;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161616;
    --panel: #222222;
    --ink: #ececea;
    --sub: #9a9a97;
    --faint: #5c5c5a;
    --line: #2f2f2e;
    --field: #1d1d1d;
    --ok: #8ccf9f;
    --err: #f0928a;
  }
}
* { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }
body {
  font-family: "Zen Kaku Gothic New", "Hiragino Sans", "Noto Sans JP", sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
a:focus-visible, button:focus-visible, select:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }

/* レイアウト:左にツール一覧、右に本文 */
.page {
  max-width: 1040px;
  margin: 0 auto;
  padding: 32px 22px 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}
@media (min-width: 860px) {
  .page { grid-template-columns: 170px minmax(0, 1fr); gap: 56px; padding-top: 56px; }
  .side { position: sticky; top: 56px; align-self: start; }
}

.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.mark {
  width: 56px; height: 56px; flex: none;
  border-radius: 50%;
  background: var(--ink); color: var(--bg);
  display: grid; place-items: center;
  font-weight: 700; font-size: 0.85rem; letter-spacing: 0.04em;
}
.brand-name { font-weight: 700; font-size: 0.9rem; line-height: 1.4; }
.brand-name small { display: block; font-weight: 500; color: var(--sub); font-size: 0.78rem; }
.side .menu { margin-top: 22px; }
.side .menu summary { display: none; }
.side ul { list-style: none; }
.side li a { display: inline-block; padding: 2px 0; text-decoration: none; font-weight: 500; font-size: 0.9rem; line-height: 1.6; }
.side li a:hover { color: var(--sub); }
.side li a[aria-current="page"] { color: var(--faint); }
.side .cat { display: block; margin-top: 16px; margin-bottom: 2px; font-size: 0.75rem; font-weight: 700; color: var(--sub); }
.side .sub-links { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line); }
.side .sub-links a { font-size: 0.85rem; color: var(--sub); }
@media (max-width: 859px) {
  .side { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; }
  .side .menu { margin-top: 0; }
  .side .menu summary {
    display: inline-block; cursor: pointer; list-style: none;
    font-weight: 700; font-size: 0.88rem;
    border: 1px solid var(--ink); padding: 5px 14px;
  }
  .side .menu summary::-webkit-details-marker { display: none; }
  .side .menu[open] { flex-basis: 100%; }
  .side .menu[open] summary { background: var(--ink); color: var(--bg); }
  .side .menu nav { margin-top: 14px; padding: 4px 16px 16px; background: var(--field); border: 1px solid var(--line); }
  .side .menu nav > ul:first-child { columns: 2; column-gap: 20px; }
  .side li.group { break-inside: avoid; }
  .side .menu .ico-s { display: none; }
  .side li.group .cat { margin-top: 12px; }
}

/* 見出しと本文 */
main { min-width: 0; }
.title h1 { font-size: 1.55rem; font-weight: 700; letter-spacing: 0.02em; line-height: 1.45; }
.title p { margin-top: 6px; color: var(--sub); max-width: 40em; }

section.doc { margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--line); max-width: 46em; }
section.doc h2 { font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; }
section.doc h3 { font-size: 0.95rem; font-weight: 700; margin: 20px 0 4px; }
section.doc p, section.doc li { color: var(--sub); }
section.doc p + p { margin-top: 10px; }
section.doc ol, section.doc ul { padding-left: 1.4em; }
section.doc code { font-family: var(--mono); font-size: 0.88em; background: var(--panel); padding: 1px 5px; color: var(--ink); }
table.ref { border-collapse: collapse; width: 100%; margin-top: 8px; font-size: 0.9rem; }
table.ref th, table.ref td { text-align: left; padding: 7px 10px 7px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
table.ref th { font-weight: 700; white-space: nowrap; }
table.ref td { color: var(--sub); }
table.ref td code { white-space: nowrap; }

/* ツール本体 */
.tool { margin-top: 28px; }
.field-label { display: block; font-size: 0.85rem; font-weight: 700; margin-bottom: 6px; }
input[type="text"], input[type="number"], input[type="datetime-local"], textarea, select {
  font: inherit;
  font-size: 16px; /* iPhoneでの自動ズーム防止 */
  color: var(--ink);
  background: var(--field);
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 9px 11px;
  line-height: 1.6;
}
input[type="text"], input[type="number"], input[type="datetime-local"], textarea { width: 100%; }
textarea { min-height: 220px; resize: vertical; }
.mono { font-family: var(--mono); }
input:focus, textarea:focus, select:focus { outline: 1px solid var(--ink); outline-offset: 0; border-color: var(--ink); }

.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 12px; }
.btn {
  font: inherit; font-weight: 700; font-size: 0.9rem;
  padding: 7px 18px;
  border: 1px solid var(--ink); border-radius: 0;
  background: var(--ink); color: var(--bg);
  cursor: pointer;
}
.btn:hover { background: transparent; color: var(--ink); }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { background: var(--ink); color: var(--bg); }
.btn.small { padding: 3px 12px; font-size: 0.82rem; font-weight: 500; }
.check { display: inline-flex; align-items: center; gap: 6px; font-size: 0.9rem; }

.result { margin-top: 24px; }
.result-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.msg { margin-top: 12px; font-size: 0.9rem; min-height: 1.5em; }
.msg.ok { color: var(--ok); }
.msg.err { color: var(--err); }
.summary {
  background: var(--panel);
  padding: 18px 20px;
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1.7;
}

/* 数値の一覧 */
.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.stats div { background: var(--field); padding: 12px 14px; }
@media (max-width: 560px) { .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.stats dt { font-size: 0.8rem; color: var(--sub); }
.stats dd { font-size: 1.35rem; font-weight: 700; font-variant-numeric: tabular-nums; line-height: 1.5; }

/* 結果の表 */
table.out { border-collapse: collapse; width: 100%; margin-top: 8px; }
table.out th, table.out td { text-align: left; padding: 8px 10px 8px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
table.out th { font-size: 0.85rem; font-weight: 500; color: var(--sub); white-space: nowrap; width: 9em; }
table.out td { font-variant-numeric: tabular-nums; word-break: break-all; }
ol.runs { list-style: none; counter-reset: run; }
ol.runs li { counter-increment: run; padding: 6px 0; border-bottom: 1px solid var(--line); font-variant-numeric: tabular-nums; }
ol.runs li::before { content: counter(run) "."; display: inline-block; width: 2.2em; color: var(--faint); }

/* ツール一覧 */
ul.tool-list { list-style: none; margin-top: 28px; border-top: 1px solid var(--line); }
ul.tool-list li { border-bottom: 1px solid var(--line); }
ul.tool-list a { display: block; padding: 18px 2px; text-decoration: none; }
ul.tool-list .name { font-weight: 700; font-size: 1.02rem; }
ul.tool-list .desc { display: block; color: var(--sub); font-size: 0.9rem; }
ul.tool-list a:hover .name { text-decoration: underline; text-underline-offset: 4px; }

footer {
  max-width: 1040px;
  margin: 72px auto 0;
  padding: 20px 22px 32px;
  font-size: 0.78rem;
  color: var(--sub);
  display: flex; flex-wrap: wrap; gap: 6px 20px;
}
footer a { color: var(--sub); }

/* ツール一覧の種別 */
.cat-nav { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.cat-nav a { font-size: 0.85rem; font-weight: 500; text-decoration: none; border: 1px solid var(--line); background: var(--field); padding: 4px 12px; }
.cat-nav a:hover { border-color: var(--ink); }
.cat-block { margin-top: 56px; padding-top: 16px; border-top: 2px solid var(--ink); scroll-margin-top: 20px; }
.cat-block h2 { font-size: 1.3rem; font-weight: 700; line-height: 1.4; display: flex; align-items: baseline; gap: 10px; }
.cat-block h2 .num { font-size: 0.8rem; font-weight: 500; color: var(--sub); }
.cat-block .cat-lead { color: var(--sub); font-size: 0.9rem; margin-top: 2px; }
.cat-block ul.tool-list {
  margin-top: 16px; border-top: 0;
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px;
}
@media (max-width: 640px) { .cat-block ul.tool-list { grid-template-columns: minmax(0, 1fr); } }
.cat-block ul.tool-list li { border: 1px solid var(--line); background: var(--field); }
.cat-block ul.tool-list li:hover { border-color: var(--ink); }
.cat-block ul.tool-list a { padding: 14px 16px; height: 100%; }
.cat-block ul.tool-list .name { font-size: 0.98rem; }
.cat-block ul.tool-list .desc { font-size: 0.84rem; margin-top: 2px; line-height: 1.7; }
.cat-block ul.tool-list a:hover .name { text-decoration: none; }

/* アイコン(Material Symbols) */
.msi {
  font-family: 'Material Symbols Outlined';
  font-weight: 300;
  font-style: normal;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  white-space: nowrap;
  direction: ltr;
  display: inline-block;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: 'liga';
  font-variation-settings: 'FILL' 0, 'wght' 300, 'GRAD' 0, 'opsz' 24;
}
.ico-s { font-size: 18px; width: 18px; vertical-align: -3px; margin-right: 7px; color: var(--sub); }
.side li a[aria-current="page"] .ico-s { color: var(--faint); }
.ico-h { font-size: 30px; width: 30px; vertical-align: -5px; margin-right: 10px; font-variation-settings: 'FILL' 0, 'wght' 300, 'GRAD' 0, 'opsz' 40; }
.cat-block ul.tool-list a { display: grid; grid-template-columns: 40px minmax(0, 1fr); column-gap: 14px; align-items: start; }
.cat-block ul.tool-list a > span:not(.ico-card) { grid-column: 2; }
.ico-card {
  grid-row: 1 / span 2;
  width: 40px; height: 40px;
  display: grid; place-items: center;
  font-size: 24px;
  background: var(--panel);
  color: var(--ink);
}
.cat-block ul.tool-list li:hover .ico-card { background: var(--ink); color: var(--bg); }