/* シェル/コスモ 製品個別ページ 共通スタイル（--accent=ブランド色） */
:root{--gold:#c9a84c;--gold-light:#e2c980;--gold-dark:#9e7e2e;--black:#070709;--white:#fff;--off-white:#fafaf8;--gray:#6b6a64;--text:#1c1c1e;--border:#e2e0d8;--red:#c0473c;--green:#3d8f4c;--accent:#dd1d21;--ink:#c01a1e;--afg:#fff}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Noto Sans JP',sans-serif;color:var(--text);background:var(--white);line-height:1.9;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{max-width:100%}
header{position:sticky;top:0;z-index:900;background:rgba(7,7,9,.97);backdrop-filter:blur(18px);border-bottom:1px solid rgba(201,168,76,.15)}
.hd{max-width:1000px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:12px 22px}
.logo{display:flex;align-items:center;gap:11px}
.logo-emblem{width:38px;height:38px;border:2px solid var(--gold);color:var(--gold);display:flex;align-items:center;justify-content:center;font-family:'Oswald',sans-serif;font-weight:700;font-size:15px}
.logo-name{color:#fff;font-weight:800;font-size:16px;letter-spacing:2px}
.logo-en{color:var(--gold);font-family:'Oswald',sans-serif;font-size:9px;letter-spacing:2px}
.hd-tel .tel{color:var(--gold-light);font-family:'Oswald',sans-serif;font-size:19px;font-weight:600;display:flex;flex-direction:column;align-items:flex-end;line-height:1.1}
.hd-tel .tel small{color:rgba(255,255,255,.5);font-family:'Noto Sans JP';font-size:9.5px;font-weight:400;letter-spacing:1px}
.hero{background:linear-gradient(135deg,#070709,#140a08 50%,#070709);color:#fff;padding:40px 22px 34px;border-bottom:4px solid var(--accent)}
.hero-in{max-width:1000px;margin:0 auto}
.bc{font-size:11.5px;color:rgba(255,255,255,.5);margin-bottom:13px}
.bc a{color:var(--gold-light)}
.hero-tag{display:inline-block;font-family:'Oswald',sans-serif;font-size:11px;letter-spacing:3px;color:var(--accent);border:1px solid var(--accent);border-radius:20px;padding:5px 15px;margin-bottom:13px;background:rgba(255,255,255,.06)}
.hero h1{font-size:clamp(21px,3.6vw,30px);font-weight:900;line-height:1.4}
.hero .sub{font-size:13.5px;color:rgba(255,255,255,.66);margin-top:12px;line-height:1.95;max-width:760px}
main{max-width:1000px;margin:0 auto;padding:0 22px 56px}
section.blk{margin-top:34px}
h2.sec{font-size:clamp(17px,2.6vw,21px);font-weight:900;color:var(--text);margin:0 0 12px;padding-left:12px;border-left:4px solid var(--accent)}
.price-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:14px;margin-top:20px}
.pcard{border:1px solid var(--border);border-top:3px solid var(--accent);border-radius:12px;padding:18px 20px;background:var(--off-white)}
.pcard .pk{font-size:13px;font-weight:800;color:#2a2630}
.pcard .pv{font-family:'Oswald',sans-serif;font-size:30px;font-weight:600;color:#20202a;margin:4px 0 2px}
.pcard .pc{font-size:11.5px;color:#8a8a8a}
.pcard .pu{font-size:12.5px;color:var(--gold-dark);font-weight:600;margin-top:2px}
.pcard.none .pv{font-size:18px;color:#b3b0a6}
.lead{font-size:14.5px;color:#3a3a3c;line-height:2.05}
.lead strong{color:var(--gold-dark)}
.spec{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.spec span{font-size:12px;background:#fff;border:1px solid var(--border);border-radius:16px;padding:6px 13px;color:#444}
.cta{margin-top:36px;background:linear-gradient(135deg,#070709,#140a08 55%,#070709);border:1px solid rgba(255,255,255,.18);border-radius:16px;padding:28px 24px;text-align:center;color:#fff}
.cta h2{font-size:clamp(18px,2.8vw,23px);font-weight:900;margin-bottom:8px;border:none;padding:0}
.cta p{font-size:13.5px;color:rgba(255,255,255,.7);margin-bottom:18px;line-height:1.9}
.cta-btns{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.cta-btns a{font-weight:800;font-size:15px;padding:14px 24px;border-radius:30px}
.cta-primary{background:var(--accent);color:var(--afg)}
.cta-tel{background:transparent;border:1.5px solid var(--gold);color:var(--gold-light)}
.rel{display:flex;flex-wrap:wrap;gap:9px;margin-top:12px}
.rel a{font-size:12.5px;background:var(--off-white);border:1px solid var(--border);border-radius:20px;padding:8px 15px;color:#333}
.rel a:hover{border-color:var(--accent);color:var(--ink)}
.rel a b{font-weight:700}
.rel a span{color:#8a8a8a;font-size:11px;margin-left:5px}
.brands{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}
.brands a{font-size:13px;font-weight:700;border:1px solid var(--border);border-radius:10px;padding:10px 16px;color:#333}
.brands a:hover{border-color:var(--accent);color:var(--ink)}
footer{background:#070709;color:rgba(255,255,255,.6);padding:32px 22px;margin-top:44px;font-size:12px;text-align:center;line-height:1.9}
.ft-links{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin-bottom:14px}
.ft-links a{color:var(--gold-light);font-weight:600}
footer a{color:var(--gold-light)}
@media(max-width:640px){.hero{padding:30px 18px 26px}main{padding:0 16px 50px}.hd-tel .tel{font-size:16px}}