/* シールドエアー メンバーズサイト 共通スタイル */
:root{
  --ink:#14211F;
  --ink-2:#3B4846;
  --ink-3:#4A5856;
  --ground:#F4F6F5;
  --white:#FFFFFF;
  --line:#DCE2E0;
  --line-2:#C5CECB;
  --ph:#E3E8E6;
  --blue:#1F4E8C;
  --blue-bg:#E3ECF7;
  --orange:#D9661F;
  --orange-ink:#B4521A;
  --orange-bg:#FDF1E8;
  --orange-line:#F1CDB2;
  --dark-sub:#C9D3D0;
  --head:'Zen Kaku Gothic New',sans-serif;
  --body:'Noto Sans JP',sans-serif;
}
*{box-sizing:border-box}
body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--body);line-height:1.7;-webkit-text-size-adjust:100%}
a{color:var(--blue)}a:hover{color:#163A69}
img{max-width:100%;display:block}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:var(--head);line-height:1.35}

/* header */
.site-header{background:var(--white);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding-top:14px;padding-bottom:14px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.brand img{height:40px;width:auto}
.brand span{font-family:var(--head);font-weight:700;font-size:18px}
.gnav{display:flex;flex-wrap:wrap;gap:8px 24px;font-size:14px;font-weight:500}
.gnav a{color:var(--ink);text-decoration:none;padding:6px 0}
.gnav a:hover{color:var(--blue)}
.tel{display:flex;flex-direction:column;align-items:flex-end;text-decoration:none;color:var(--ink)}
.tel b{font-family:var(--head);font-weight:900;font-size:20px;letter-spacing:.02em}
.tel small{font-size:12px;color:var(--ink-3)}

/* common parts */
.label{display:inline-block;font-size:12px;font-weight:700;color:var(--blue);background:var(--blue-bg);padding:4px 12px;border-radius:999px}
.eyebrow{font-size:13px;font-weight:700;color:var(--orange)}
.lead{color:var(--ink-2);margin:0}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:12px 24px;border-radius:8px;font-weight:700;font-size:15px;text-decoration:none;white-space:nowrap}
.btn-dark{background:var(--ink);color:var(--white)}.btn-dark:hover{background:#26363A;color:var(--white)}
.btn-line{background:var(--white);color:var(--ink);border:1px solid var(--line-2)}.btn-line:hover{color:var(--ink);border-color:var(--ink)}
.btn-orange{background:var(--orange);color:var(--white)}.btn-orange:hover{background:var(--orange-ink);color:var(--white)}
.btn-white{background:var(--white);color:var(--ink)}.btn-white:hover{color:var(--ink);background:#E9EEEC}
.btns{display:flex;flex-wrap:wrap;gap:12px}
.ph{background:var(--ph);color:var(--ink-3);display:flex;align-items:center;justify-content:center;font-size:13px;text-align:center;padding:8px}
.sec{padding:64px 0}
.sec-white{background:var(--white)}
.sec-border{border-top:1px solid var(--line)}
.sec h2{font-size:28px;margin:0 0 24px}
.sec h2.big{font-size:32px;font-weight:900;margin:6px 0 8px}
.grid{display:grid;gap:24px;grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.crumb{font-size:13px;color:var(--ink-3);padding-top:24px}

/* system page hero */
.hero-sys{display:flex;flex-wrap:wrap;gap:40px;align-items:center;padding-top:24px;padding-bottom:48px}
.hero-sys .txt{flex:999 1 520px;min-width:0}
.hero-sys h1{font-weight:900;font-size:44px;margin:16px 0 12px}
.hero-sys .lead{max-width:560px}
.hero-sys .btns{margin-top:24px}
.hero-sys .pic{flex:1 1 380px;min-width:0;height:280px;border-radius:16px;overflow:hidden}
.hero-sys .pic img{width:100%;height:100%;object-fit:cover}

/* video */
.video{display:flex;flex-direction:column;gap:8px}
.video .player{position:relative;aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:#DCE2E0}
.video .player iframe,.video .player video{position:absolute;inset:0;width:100%;height:100%;border:0;background:#1c2a28;object-fit:contain}
.yt-btn{position:absolute;inset:0;width:100%;height:100%;border:0;padding:0;cursor:pointer;background:#1c2a28 center/cover no-repeat}
.yt-btn::after{content:"";position:absolute;left:50%;top:50%;width:68px;height:48px;margin:-24px 0 0 -34px;border-radius:12px;background:rgba(20,33,31,.85)}
.yt-btn::before{content:"";position:absolute;left:50%;top:50%;margin:-10px 0 0 -6px;border-style:solid;border-width:10px 0 10px 17px;border-color:transparent transparent transparent #fff;z-index:1}
.yt-btn:hover::after{background:var(--orange)}
.yt-empty{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--ink-3);font-size:13px}
.video .t{font-weight:700}
.video .m{font-size:13px;color:var(--ink-3)}

/* cross-sell band */
.band{margin-top:40px;border-radius:16px;background:var(--ink);color:var(--white);padding:28px 32px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px}
.band .txt{flex:999 1 480px;min-width:0}
.band .for{font-size:13px;font-weight:700;color:#F2B27E}
.band .catch{font-family:var(--head);font-weight:700;font-size:22px;margin-top:4px}
.band .sub{font-size:14px;color:var(--dark-sub);margin-top:6px}

/* FAQ */
.faq{display:flex;flex-direction:column;gap:12px}
.faq details{background:var(--white);border:1px solid var(--line);border-radius:12px;padding:18px 22px}
.faq summary{font-weight:700;cursor:pointer}
.faq p{margin:12px 0 0;color:var(--ink-2)}

/* product card */
.pcard{border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;background:var(--white)}
.pcard .pic{height:180px}
.pcard .pic img{width:100%;height:100%;object-fit:cover}
.pcard .body{padding:22px;display:flex;flex-direction:column;gap:10px;flex-grow:1}
.pcard .cat{font-size:12px;font-weight:700;color:var(--blue)}
.pcard h3{font-size:22px;margin:0}
.pcard p{margin:0;font-size:14px;color:var(--ink-2);flex-grow:1}
.pcard a.more{font-weight:700;font-size:15px}

/* CTA boxes */
.cta2{display:flex;flex-wrap:wrap;gap:24px}
.cbox{flex:1 1 340px;min-width:0;background:var(--white);border:1px solid var(--line);border-radius:16px;padding:28px;display:flex;flex-direction:column;gap:10px}
.cbox h3{font-size:20px;margin:0}
.cbox p{margin:0;font-size:14px;color:var(--ink-2);flex-grow:1}
.cbox .btn{align-self:flex-start}
.cbox.warm{background:var(--orange-bg);border-color:var(--orange-line)}

/* top page */
.hero-top{background:var(--ink);color:var(--white)}
.hero-top .wrap{padding-top:64px;padding-bottom:84px}
.hero-top .eyebrow{color:#F2B27E}
.hero-top h1{font-weight:900;font-size:46px;margin:10px 0 14px}
.hero-top p{margin:0;font-size:16px;color:var(--dark-sub);max-width:620px}
.picker{margin-top:-36px}
.picker .box{background:var(--white);border-radius:16px;border:1px solid var(--line);padding:32px}
.picker h2{font-size:24px;margin:0 0 6px}
.picker .lead{font-size:14px;margin-bottom:24px;color:var(--ink-3)}
.sys-grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.sys{text-decoration:none;color:var(--ink);border:1px solid var(--line);border-radius:12px;padding:14px;display:flex;align-items:center;gap:12px;min-height:80px}
.sys:hover{border-color:var(--blue);color:var(--ink)}
.sys .ic{width:52px;height:52px;flex-shrink:0;border-radius:8px;overflow:hidden}
.sys .ic img{width:100%;height:100%;object-fit:cover}
.sys span.n{font-weight:700;font-size:15px}
.issue-grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fill,minmax(340px,1fr))}
.issue{text-decoration:none;color:var(--ink);background:var(--white);border:1px solid var(--line);border-radius:16px;padding:26px;display:flex;flex-direction:column;gap:12px}
.issue:hover{border-color:var(--orange);color:var(--ink)}
.issue .q{font-family:var(--head);font-weight:700;font-size:20px;line-height:1.5}
.issue hr{border:0;height:1px;background:var(--line);margin:0}
.issue .s{font-size:13px;color:var(--ink-3)}
.issue .a{font-weight:700;color:var(--blue)}
.case .pic{aspect-ratio:16/9;border-radius:12px;overflow:hidden}
.case .meta{font-size:12px;color:var(--ink-3);margin-top:10px}
.case .t{font-weight:700}
.subsidy{background:var(--orange-bg);border:1px solid var(--orange-line);border-radius:20px;padding:40px;display:flex;flex-wrap:wrap;align-items:center;gap:28px}
.subsidy .txt{flex:999 1 520px;min-width:0}
.subsidy .eyebrow{color:var(--orange-ink)}
.subsidy h2{font-weight:900;font-size:30px;margin:6px 0 10px}
.contact{background:var(--ink);color:var(--white)}
.contact .cbox{background:transparent;border-color:#34433F}
.contact .cbox p,.contact .cbox small{color:var(--dark-sub)}
.contact .big-tel{font-family:var(--head);font-weight:900;font-size:30px;color:var(--white);text-decoration:none}

/* footer */
.site-footer{background:#0E1816;color:#9FADA9;padding:28px 0;font-size:13px}
.site-footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px}
.site-footer a{color:#C9D3D0}

/* phone */
@media (max-width:640px){
  .hero-sys h1{font-size:32px}
  .hero-top h1{font-size:32px}
  .sec{padding:48px 0}
  .sec h2,.sec h2.big{font-size:24px}
  .subsidy{padding:28px}
  .subsidy h2{font-size:24px}
  .band{padding:24px}
  .band .catch{font-size:19px}
  .tel{align-items:flex-start}
  .grid,.issue-grid{grid-template-columns:1fr}
  .picker .box{padding:22px}
}

/* product photos (white-background product shots) */
.prod{background:#FFFFFF}
.prod img{width:100%;height:100%;object-fit:contain}
.hero-sys .pic.prod{border:1px solid var(--line);padding:16px}
.pcard .pic.prod{padding:12px;border-bottom:1px solid var(--line)}
.sys .ic.prod{border:1px solid var(--line);padding:3px}
.brand img.logo{height:30px;width:auto}
.brand span{padding-left:12px;border-left:1px solid var(--line)}