/* 株式会社中山モーター 提案用デモ CSS。白紙から新規作成（他デモのCSSは流用していない） */

:root{
  --navy:#173a5e;
  --navy-d:#0d2540;
  --navy-soft:#e8eef4;
  --red:#c0392b;
  --red-d:#9c2d21;
  --paper:#f5f7fa;
  --white:#ffffff;
  --ink:#1f2733;
  --ink-soft:#57626f;
  --line:#dbe2ea;
  --radius:10px;
  --shadow:0 10px 26px rgba(15,40,66,.09);
  --font-head:"Zen Kaku Gothic New","Noto Sans JP",-apple-system,"Hiragino Kaku Gothic ProN",sans-serif;
  --font-body:"Noto Sans JP",-apple-system,"Hiragino Kaku Gothic ProN",Meiryo,sans-serif;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--font-body);font-size:17px;line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--font-head);line-height:1.4;margin:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font:inherit}

.inner{max-width:1160px;margin:0 auto;padding:0 24px}

/* ============ デモ帯 ============ */
.demo-bar{background:var(--navy-d);color:#fff;font-size:.82rem}
.demo-bar .inner{
  display:flex;flex-wrap:wrap;gap:6px 18px;align-items:center;justify-content:center;
  padding:8px 24px;text-align:center;
}
.demo-bar a{color:#bcd4ec;text-decoration:underline}

/* ============ ヘッダー ============ */
.site-header{position:relative;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.header-inner{
  max-width:1160px;margin:0 auto;padding:12px 24px;
  display:flex;align-items:center;gap:20px;flex-wrap:nowrap;
}
.brand{
  display:flex;flex-direction:column;justify-content:center;gap:2px;
  text-decoration:none;color:var(--ink);min-width:0;flex:1 1 auto;
}
.brand .name{
  font-family:var(--font-head);font-weight:700;font-size:1.12rem;color:var(--navy);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.brand small{
  font-size:.74rem;color:var(--ink-soft);white-space:normal;line-height:1.3;
}
.gnav{flex:none}
.gnav ul{display:flex;align-items:center;gap:22px}
.gnav a{
  font-size:.95rem;font-weight:700;text-decoration:none;color:var(--ink);
  white-space:nowrap;padding:6px 2px;border-bottom:2px solid transparent;
}
.gnav a[aria-current="page"],.gnav a:hover{border-bottom-color:var(--red);color:var(--navy)}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto;flex:none}
.tel-link{display:flex;flex-direction:column;text-decoration:none;color:var(--navy);line-height:1.25}
.tel-link b{font-family:var(--font-head);font-size:1.18rem;white-space:nowrap}
.tel-link small{font-size:.74rem;color:var(--ink-soft);white-space:nowrap}
.btn-head{
  white-space:nowrap;background:var(--red);color:#fff;font-weight:700;font-size:.9rem;
  padding:11px 18px;border-radius:999px;text-decoration:none;
}
.btn-head:hover{background:var(--red-d)}
.nav-toggle{
  display:none;flex:none;width:44px;height:44px;border:1px solid var(--line);border-radius:8px;
  background:#fff;position:relative;padding:0;cursor:pointer;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:11px;right:11px;height:2px;background:var(--navy);
}
.nav-toggle span{top:21px}
.nav-toggle span::before{top:-7px}
.nav-toggle span::after{top:7px}

/* 1041〜1300px：フルナビのまま詰める帯（KB-018） */
@media (min-width:1041px) and (max-width:1300px){
  .header-inner{gap:14px;padding:12px 18px}
  .gnav ul{gap:16px}
  .gnav a{font-size:.88rem}
  .tel-link small{display:none}
  .btn-head{padding:10px 15px;font-size:.85rem}
  .brand .name{max-width:230px}
}

/* 1040px以下：ハンバーガーに切替。ナビはオフキャンバス */
@media (max-width:1040px){
  .gnav{
    position:fixed;inset:0;top:0;
    background:#fff;padding:96px 26px 40px;overflow-y:auto;
    opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;
    /* 閉じていても画面外へ動かさない（KB-016）。透明化のみで幅を増やさない */
  }
  .gnav.open{opacity:1;visibility:visible}
  .gnav ul{flex-direction:column;align-items:stretch;gap:0;min-height:100%;justify-content:center}
  .gnav li{border-bottom:1px solid var(--line)}
  .gnav a{display:block;padding:16px 4px;font-size:1.05rem;border-bottom:none}
  .header-actions{gap:10px}
  .tel-link small{display:none}
  .btn-head{padding:10px 14px;font-size:.85rem}
  .nav-toggle{display:block}
  body.nav-open{overflow:hidden}
}
@media (max-width:520px){
  .brand small{display:none}
  .btn-head{display:none}
}

/* ============ ヒーロー（KB-001／KB-020対策） ============ */
.hero{position:relative;overflow:hidden;background:var(--navy-d)}
.hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;opacity:.46}
.hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(100deg,rgba(13,37,64,.94) 15%,rgba(13,37,64,.62) 60%,rgba(13,37,64,.3) 100%);
}
.hero-copy{
  position:relative;z-index:2;max-width:1160px;margin:0 auto;padding:64px 24px;
  min-height:min(58vh,480px);display:flex;flex-direction:column;justify-content:center;color:#fff;
}
.hero-copy .eyebrow{
  display:inline-block;color:#ffd9d3;font-weight:700;font-size:.82rem;letter-spacing:.08em;margin-bottom:14px;
}
.hero-copy h1{font-size:clamp(1.7rem,4vw,2.5rem);margin-bottom:16px}
.hero-copy .sub{font-size:1.02rem;max-width:560px;margin-bottom:26px;color:#e7edf4}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-block;padding:14px 26px;border-radius:999px;font-weight:700;text-decoration:none;font-size:.98rem;white-space:normal}
.btn-primary{background:var(--red);color:#fff}
.btn-primary:hover{background:var(--red-d)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.6)}
.btn-ghost:hover{background:rgba(255,255,255,.22)}

@media (max-width:640px){
  .hero-copy{padding:44px 20px 40px;min-height:56vh}
}

/* ============ 下層ページ見出し帯（同じ3層z-index） ============ */
.page-head{position:relative;overflow:hidden;background:var(--navy-d)}
.page-head>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;opacity:.4}
.page-head::after{content:"";position:absolute;inset:0;z-index:1;background:rgba(13,37,64,.72)}
.page-head-copy{position:relative;z-index:2;max-width:1160px;margin:0 auto;padding:46px 24px;min-height:min(30vh,220px);display:flex;flex-direction:column;justify-content:center;color:#fff}
.page-head-copy .eyebrow{color:#ffd9d3;font-weight:700;font-size:.8rem;letter-spacing:.08em;margin-bottom:8px}
.page-head-copy h1{font-size:clamp(1.5rem,3.4vw,2.05rem)}
.page-head-copy p{margin-top:10px;color:#e7edf4;max-width:600px}

/* ============ 信頼バー ============ */
.stats{background:var(--navy);color:#fff}
.stats .inner{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:26px 24px;
}
.stat{min-width:0;border-left:2px solid rgba(255,255,255,.28);padding-left:14px}
.stat dt{font-size:.78rem;color:#c9d8e8;margin-bottom:4px}
.stat dd{margin:0;font-family:var(--font-head);font-weight:700;font-size:1.05rem}
.stat dd small{display:block;font-family:var(--font-body);font-weight:400;font-size:.76rem;color:#dbe6f1;margin-top:3px}
@media (max-width:900px){
  .stats .inner{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:480px){
  .stats .inner{grid-template-columns:1fr;gap:14px}
}

/* ============ セクション共通 ============ */
.section{padding:64px 0}
.section-alt{background:#fff}
.section-head{margin-bottom:32px;text-align:center}
.section-head .eyebrow{display:block;color:var(--red);font-weight:700;font-size:.8rem;letter-spacing:.1em;margin-bottom:8px}
.section-head h2{font-size:clamp(1.35rem,3vw,1.8rem);color:var(--navy)}
.section-head .lead{margin-top:12px;color:var(--ink-soft);max-width:640px;margin-left:auto;margin-right:auto}

@media (max-width:640px){
  .section{padding:44px 0}
}

/* ============ サービスカード ============ */
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{
  min-width:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);text-decoration:none;color:inherit;overflow:hidden;
  display:flex;flex-direction:column;
}
.card-media{position:relative;aspect-ratio:4/3;background:var(--navy-soft)}
.card-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.card-media .ph{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;text-align:center;
  color:var(--navy);font-size:.85rem;padding:10px;background:var(--navy-soft);
}
.card-body{padding:18px 18px 22px;flex:1;display:flex;flex-direction:column;gap:8px}
.card-icon{width:40px;height:40px;border-radius:10px;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;flex:none}
.card-icon svg{width:20px;height:20px}
.card h3{font-size:1.05rem;color:var(--navy)}
.card p{color:var(--ink-soft);font-size:.92rem}
.card .go{margin-top:auto;color:var(--red);font-weight:700;font-size:.88rem}

@media (max-width:960px){
  .card-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:520px){
  .card-grid{grid-template-columns:1fr}
}

/* ============ 対応内容リスト（サービス案内の事実） ============ */
.service-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 28px}
.service-list li{
  min-width:0;display:flex;gap:12px;align-items:flex-start;padding:14px 0;border-bottom:1px solid var(--line);
}
.service-list .num{
  flex:none;width:30px;height:30px;border-radius:50%;background:var(--navy-soft);color:var(--navy);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem;font-family:var(--font-head);
}
.service-list b{color:var(--navy)}
.service-list p{color:var(--ink-soft);font-size:.92rem;margin-top:2px}
@media (max-width:640px){
  .service-list{grid-template-columns:1fr}
}

/* ============ 2カラム（写真＋文章） ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.split-media{min-width:0;position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.split-media img{width:100%;height:auto;display:block}
.split-text{min-width:0}
.split-text .eyebrow-alt{display:block;color:var(--red);font-weight:700;font-size:.8rem;letter-spacing:.08em;margin-bottom:8px}
.split-text h2{color:var(--navy);font-size:clamp(1.25rem,2.6vw,1.6rem);margin-bottom:14px}
.split-text p{color:var(--ink-soft);margin-bottom:14px}
.split-text p:last-child{margin-bottom:0}
@media (max-width:820px){
  .split{grid-template-columns:1fr;gap:24px}
}

/* プレースホルダー枠 */
.ph-box{
  min-width:0;background:var(--navy-soft);border:1px dashed #9fb6cc;border-radius:var(--radius);
  color:var(--navy);display:flex;align-items:center;justify-content:center;text-align:center;
  padding:40px 20px;font-size:.92rem;line-height:1.7;min-height:200px;
}

/* ============ 定義リスト（店舗情報など） ============ */
.info-dl{display:grid;grid-template-columns:160px 1fr;gap:14px 20px}
.info-dl dt{color:var(--ink-soft);font-size:.86rem;padding-top:2px}
.info-dl dd{margin:0;font-weight:700;color:var(--ink)}
.info-dl dd a{color:var(--navy);text-decoration:underline}
.info-dl dd small{display:block;font-weight:400;color:var(--ink-soft);font-size:.85rem;margin-top:2px}
@media (max-width:560px){
  .info-dl{grid-template-columns:1fr}
  .info-dl dt{padding-top:12px;border-top:1px solid var(--line)}
  .info-dl dt:first-child{border-top:none;padding-top:0}
}

/* ============ CTA帯 ============ */
.cta-band{background:var(--navy-d);color:#fff}
.cta-band .inner{
  padding:48px 24px;display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;
}
.cta-band h2{font-size:clamp(1.2rem,2.6vw,1.6rem);margin-bottom:8px}
.cta-band p{color:#c9d8e8}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-band .tel-big{
  display:flex;flex-direction:column;color:#fff;text-decoration:none;white-space:nowrap;
}
.cta-band .tel-big b{font-family:var(--font-head);font-size:1.7rem}
.cta-band .tel-big small{font-size:.8rem;color:#c9d8e8;white-space:normal}

/* ============ フォーム（お問い合わせ） ============ */
.form-wrap{max-width:640px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:32px}
.form-row{margin-bottom:20px}
.form-row label{display:block;font-weight:700;font-size:.92rem;margin-bottom:8px;color:var(--navy)}
.form-row .req{display:inline-block;margin-left:6px;font-size:.68rem;color:#fff;background:var(--red);border-radius:4px;padding:2px 6px;vertical-align:middle}
.form-row input,.form-row select,.form-row textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:8px;font:inherit;color:var(--ink);background:#fbfcfd;
}
.form-row textarea{min-height:140px;resize:vertical}
.form-note{font-size:.82rem;color:var(--ink-soft);margin-bottom:22px}
.form-submit{width:100%;border:none;background:var(--red);color:#fff;font-weight:700;font-size:1rem;padding:16px;border-radius:999px;cursor:pointer}
.form-submit:hover{background:var(--red-d)}
.contact-tel{
  max-width:640px;margin:0 auto 28px;background:var(--navy);color:#fff;border-radius:var(--radius);
  padding:26px 28px;display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;
}
.contact-tel .tel-num{color:#fff;text-decoration:none;white-space:nowrap;font-family:var(--font-head);font-size:1.5rem;font-weight:700}
.contact-tel small{display:block;font-family:var(--font-body);font-weight:400;font-size:.82rem;color:#cfe0ef;white-space:normal;margin-top:4px}
.contact-tel > *{min-width:0}
@media (max-width:480px){
  .contact-tel{flex-direction:column;align-items:stretch}
  .contact-tel .btn{width:100%;text-align:center}
}

/* ============ フッター ============ */
.site-footer{background:var(--navy-d);color:#dbe6f1}
.site-footer .inner{padding:48px 24px 26px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;margin-bottom:28px}
.footer-grid h3{color:#fff;font-size:1rem;margin-bottom:14px}
.footer-grid p{color:#c3d3e3;font-size:.9rem}
.footer-grid ul li{margin-bottom:8px;font-size:.9rem;color:#c3d3e3}
.footer-grid ul a{color:#c3d3e3;text-decoration:none}
.footer-grid ul a:hover{color:#fff;text-decoration:underline}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.15);padding-top:18px;font-size:.78rem;color:#9db1c6;line-height:1.7;
}
@media (max-width:820px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr}
}

/* ============ スマホ用固定バー ============ */
.sp-bar{display:none}
@media (max-width:760px){
  .sp-bar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:40;
    box-shadow:0 -4px 14px rgba(0,0,0,.12);
  }
  .sp-bar a{
    flex:1;text-align:center;padding:14px 8px;font-weight:700;font-size:.92rem;text-decoration:none;white-space:nowrap;
  }
  .sp-bar a:first-child{background:var(--navy);color:#fff}
  .sp-bar a:last-child{background:var(--red);color:#fff}
  body{padding-bottom:64px}
}

/* お知らせ */
.notice-list{max-width:720px;margin:0 auto}
.notice-item{
  display:flex;gap:16px;padding:16px 0;border-bottom:1px solid var(--line);align-items:baseline;flex-wrap:wrap;
}
.notice-item time{flex:none;color:var(--ink-soft);font-size:.86rem;font-family:var(--font-head)}
.notice-item p{min-width:0}