/* ツギナオ タイトルチェック */
:root {
  --bg: #f6f9fc;
  --panel: #ffffff;
  --line: #e3eaf2;
  --text: #27323d;
  --muted: #6b7885;
  --accent: #c2930f;        /* ツールの色：からし色 */
  --accent-strong: #9a7406;
  --accent-tint: #fff7df;
  --series: #3b82c4;        /* ツギナオ本体の青 */
  --ok: #2f8a5b;   --ok-tint: #e8f5ee;
  --warn: #c07a00; --warn-tint: #fff4e0;
  --ng: #cf4545;   --ng-tint: #fdeced;
  --serp-title: #1f4fbf;
  --serp-text: #4d5156;
  --radius: 12px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: "Hiragino Sans", "Noto Sans JP", "Yu Gothic", "Meiryo", sans-serif;
  font-size: 15px; line-height: 1.7;
}
a { color: var(--series); }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
[hidden] { display: none !important; }

/* ヘッダー・フッター */
.site-head { background: #fff; border-bottom: 1px solid var(--line); }
.head-inner { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font-weight: 700; }
.brand-mark {
  width: 30px; height: 30px; border-radius: 8px; background: var(--accent); color: #fff;
  display: grid; place-items: center; font-size: 16px;
}
.brand-series { color: var(--series); }
.head-link { font-size: 13px; text-decoration: none; }
.site-foot { margin-top: 40px; padding: 24px 0 32px; border-top: 1px solid var(--line); background: #fff; font-size: 13px; color: var(--muted); }
.site-foot p { margin: 4px 0; }
.foot-note { font-size: 12px; }

/* 導入 */
.intro { padding: 28px 0 8px; }
.intro h1 { margin: 0 0 6px; font-size: 26px; line-height: 1.4; }
.intro p { margin: 0; color: var(--muted); max-width: 760px; }

/* 並べ方 */
.layout { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 20px; margin-top: 20px; align-items: start; }
.result-panel { position: sticky; top: 12px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; margin-top: 20px; }
.layout .panel { margin-top: 0; }
.panel-h { margin: 0 0 14px; font-size: 17px; display: flex; align-items: center; gap: 8px; }
.panel-h::before { content: ""; width: 4px; height: 18px; border-radius: 2px; background: var(--accent); }
.panel-lead { margin: -6px 0 12px; color: var(--muted); font-size: 13px; }
.sub-h { margin: 18px 0 8px; font-size: 14px; }
.sub-h .note { font-weight: 400; color: var(--muted); font-size: 12px; margin-left: 6px; }
.muted { color: var(--muted); }

/* 入力 */
.mode { display: flex; background: var(--bg); border-radius: 10px; padding: 4px; margin-bottom: 12px; }
.mode-btn {
  flex: 1; border: 0; background: transparent; padding: 8px; border-radius: 8px;
  font: inherit; font-size: 14px; color: var(--muted); cursor: pointer;
}
.mode-btn.is-on { background: #fff; color: var(--text); font-weight: 700; box-shadow: 0 1px 3px rgba(30, 50, 70, .12); }
.url-row { display: flex; gap: 8px; }
.url-row input { flex: 1; min-width: 0; }
input[type=text], input[type=url], textarea {
  width: 100%; font: inherit; color: var(--text); background: #fff;
  border: 1px solid #cfd9e3; border-radius: 8px; padding: 9px 11px;
}
textarea { resize: vertical; line-height: 1.6; }
input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: var(--accent); }
.btn-primary, .btn {
  font: inherit; border-radius: 8px; padding: 9px 16px; cursor: pointer; white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #fff; border: 0; font-weight: 700; }
.btn-primary:hover { background: var(--accent-strong); }
.btn-primary:disabled { opacity: .6; cursor: wait; }
.btn { background: #fff; color: var(--text); border: 1px solid #cfd9e3; }
.btn:hover { border-color: var(--accent); }
.btn-small { padding: 4px 10px; font-size: 13px; }
.fetch-msg { margin: 6px 0 0; font-size: 13px; min-height: 1.2em; }
.fetch-msg.is-ng { color: var(--ng); }
.fetch-msg.is-ok { color: var(--ok); }
.fetch-msg.is-busy { color: var(--muted); }
.field { margin-top: 16px; }
.field label { display: block; font-weight: 700; font-size: 14px; margin-bottom: 4px; }
.field-top { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.field-top label { margin-bottom: 4px; }
.count { font-size: 12px; color: var(--muted); }
.field.two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.hint { margin: 4px 0 0; font-size: 12px; color: var(--muted); }
.more { margin-top: 18px; border-top: 1px dashed var(--line); padding-top: 12px; }
.more summary { cursor: pointer; font-size: 14px; font-weight: 700; color: var(--accent-strong); }

/* ゲージ */
.gauges { margin-top: 6px; display: grid; gap: 4px; }
.gauge { display: grid; grid-template-columns: 56px 1fr 56px; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); }
.gauge-bar { height: 6px; background: #edf1f5; border-radius: 3px; overflow: hidden; }
.gauge-fill { display: block; height: 100%; border-radius: 3px; transition: width .15s; }
.gauge-fill.is-ok { background: var(--ok); }
.gauge-fill.is-warn { background: #e0a21b; }
.gauge-fill.is-ng { background: var(--ng); }
.gauge-num { text-align: right; }

/* 総合判定 */
.grade-box { display: flex; gap: 16px; align-items: center; background: var(--accent-tint); border-radius: 10px; padding: 14px 16px; }
.grade {
  flex: none; width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center;
  font-size: 34px; font-weight: 800; background: #fff; color: var(--muted); border: 3px solid #e5e9ee;
}
.grade-A { color: var(--ok); border-color: var(--ok); }
.grade-B { color: #4f8a2f; border-color: #8cbf6a; }
.grade-C { color: var(--warn); border-color: #e7b04b; }
.grade-D { color: var(--ng); border-color: var(--ng); }
.headline { margin: 0; font-weight: 700; line-height: 1.5; }
.tally { margin: 2px 0 0; font-size: 12px; color: var(--muted); }

/* 検索結果イメージ */
.serps { display: grid; grid-template-columns: 1fr; gap: 12px; align-items: start; }
.serp-frame { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px 12px; background: #fff; overflow-x: auto; }
.frame-label { font-size: 11px; color: var(--muted); margin-bottom: 6px; letter-spacing: .05em; position: sticky; left: 0; }
.serp-sp { width: 330px; }
.serp-pc { width: 600px; }
.serp-site { display: flex; gap: 8px; align-items: center; margin-bottom: 4px; }
.serp-icon {
  width: 26px; height: 26px; border-radius: 50%; background: #eef2f6; border: 1px solid #e1e6eb;
  display: grid; place-items: center; font-size: 12px; color: var(--muted); flex: none;
}
.serp-site-text { display: flex; flex-direction: column; line-height: 1.3; min-width: 0; }
.serp-site-name { font-size: 13px; color: #202124; }
.serp-crumb { font-size: 12px; color: var(--serp-text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.serp-title { color: var(--serp-title); line-height: 1.35; margin: 2px 0 4px; }
.serp-line { display: block; white-space: pre; }
.serp-desc { color: var(--serp-text); line-height: 1.6; }
.serp-desc b { color: #3c4043; }
.serp-empty { color: var(--muted); font-size: 13px; white-space: normal; font-family: inherit; }

/* 切れる位置 */
.cuts { display: grid; gap: 8px; }
.cut-strip { display: grid; grid-template-columns: 120px 1fr; gap: 2px 10px; font-size: 13px; padding: 8px 10px; border-radius: 8px; background: var(--bg); }
.cut-label { color: var(--muted); font-size: 12px; padding-top: 1px; }
.cut-body { word-break: break-all; }
.cut-mark { display: inline-block; width: 2px; height: 1.2em; background: var(--ng); vertical-align: -0.2em; margin: 0 2px; }
.cut-hidden { color: #a7b1bb; text-decoration: line-through; text-decoration-color: rgba(207, 69, 69, .35); }
.cut-ok, .cut-ng { grid-column: 2; font-size: 12px; }
.cut-ok { color: var(--ok); }
.cut-ng { color: var(--ng); }

/* 項目 */
.items { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; }
.item-group .sub-h { margin-top: 0; }
.item-list { list-style: none; margin: 0; padding: 0; }
.item { display: flex; gap: 10px; padding: 10px 0; border-top: 1px solid var(--line); }
.item-mark {
  flex: none; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center;
  font-weight: 800; font-size: 14px;
}
.is-ok .item-mark { background: var(--ok-tint); color: var(--ok); }
.is-warn .item-mark { background: var(--warn-tint); color: var(--warn); }
.is-ng .item-mark { background: var(--ng-tint); color: var(--ng); }
.is-na .item-mark { background: #f0f3f6; color: #a2acb6; }
.is-na .item-msg { color: var(--muted); }
.item-body { min-width: 0; }
.item-top { display: flex; flex-wrap: wrap; gap: 2px 10px; }
.item-label { font-weight: 700; font-size: 14px; }
.item-msg { font-size: 14px; }
.item-fix { margin: 4px 0 0; font-size: 13px; color: #4d5a66; background: var(--bg); border-radius: 6px; padding: 6px 9px; }

/* 改善例 */
.sug-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.sug { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; }
.sug-text { flex: 1 1 280px; font-weight: 700; }
.sug-len { font-size: 12px; color: var(--muted); }

/* 参考情報 */
.ref-list { display: grid; grid-template-columns: 260px 1fr; gap: 6px 14px; margin: 0; font-size: 14px; }
.ref-list dt { color: var(--muted); }
.ref-list dd { margin: 0; word-break: break-all; }
.ref-note { display: block; color: var(--warn); font-size: 12px; }

/* 書き出し */
.actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-top: 20px; }
.copy-msg { font-size: 13px; color: var(--ok); }

/* 他ツール */
.next-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.next-list a { display: block; padding: 12px; border: 1px solid var(--line); border-radius: 10px; text-decoration: none; color: var(--text); height: 100%; }
.next-list a:hover { border-color: var(--series); }
.next-list b { display: block; color: var(--series); }
.next-list span { font-size: 12px; color: var(--muted); }

/* 解説 */
.guide { margin-top: 32px; max-width: 800px; }
.guide h2 { font-size: 19px; margin: 28px 0 8px; padding-bottom: 6px; border-bottom: 2px solid var(--accent-tint); }
.guide p { margin: 0 0 10px; }
.example { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; font-size: 14px; }
.faq dt { font-weight: 700; margin-top: 14px; }
.faq dt::before { content: "Q. "; color: var(--accent-strong); }
.faq dd { margin: 4px 0 0; color: #45515c; }

/* スマホ・狭い画面 */
@media (max-width: 960px) {
  .layout { grid-template-columns: 1fr; }
  .result-panel { position: static; }
  .serps { grid-template-columns: 1fr; }
  .items { grid-template-columns: 1fr; }
  .next-list { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .intro h1 { font-size: 22px; }
  .panel { padding: 16px; }
  .field.two { grid-template-columns: 1fr; }
  .cut-strip { grid-template-columns: 1fr; }
  .cut-ok, .cut-ng { grid-column: 1; }
  .ref-list { grid-template-columns: 1fr; }
  .ref-list dd { margin-bottom: 8px; }
  .next-list { grid-template-columns: 1fr; }
  .serp-pc { transform-origin: left top; }
}

/* 印刷 */
@media print {
  body { background: #fff; font-size: 12px; }
  .site-head, .site-foot, .no-print, .guide, .mode, .url-row, .more summary { display: none !important; }
  .layout { grid-template-columns: 1fr; }
  .result-panel { position: static; }
  .panel { break-inside: avoid; border-color: #ccc; }
  .items { grid-template-columns: 1fr; }
}