/* ENEOS 潤滑油 シリーズ・ハブページ 共通スタイル */
: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}
*,*::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:1120px;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;letter-spacing:1px}
.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,#100d04 50%,#070709);color:#fff;padding:44px 22px 40px;border-bottom:4px solid var(--gold)}
.hero-in{max-width:1120px;margin:0 auto}
.bc{font-size:11.5px;color:rgba(255,255,255,.5);margin-bottom:14px}
.bc a{color:var(--gold-light)}
.hero-tag{display:inline-block;font-family:'Oswald',sans-serif;font-size:11px;letter-spacing:4px;color:var(--gold);border:1px solid rgba(201,168,76,.4);border-radius:20px;padding:5px 16px;margin-bottom:14px}
.hero h1{font-size:clamp(21px,3.6vw,31px);font-weight:900;line-height:1.42}
.hero .sub{font-size:13.5px;color:rgba(255,255,255,.66);margin-top:13px;line-height:1.95;max-width:860px}
/* ヒーローの絵文字バッジはENEOS基準に合わせて非表示（安っぽい装飾を避ける） */
.hero-meta{display:none}
main{max-width:1120px;margin:0 auto;padding:0 22px}
section.blk{margin-top:38px}
h2.sec{font-size:clamp(18px,2.8vw,23px);font-weight:900;color:var(--text);margin:0 0 6px;padding-left:13px;border-left:4px solid var(--gold)}
.sec-note{font-size:13px;color:#666;margin:0 0 16px;padding-left:17px}
.lead{font-size:14.5px;color:#3a3a3c;line-height:2.05;margin-top:18px}
.lead strong{color:var(--gold-dark)}
.feat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr));gap:13px}
.feat{background:var(--off-white);border:1px solid var(--border);border-top:3px solid var(--gold);border-radius:11px;padding:16px 18px}
.feat .ic{font-size:22px}
.feat h3{font-size:14.5px;font-weight:800;color:#2a2630;margin:6px 0 5px}
.feat p{font-size:12.5px;color:#5f5f5f;line-height:1.85}
.usebox{background:#fff;border:1px solid var(--border);border-radius:11px;padding:6px 20px}
.usebox li{font-size:13.5px;color:#444;line-height:1.9;list-style:none;padding:9px 0 9px 26px;border-bottom:1px dashed var(--border);position:relative}
.usebox li:last-child{border-bottom:none}
.usebox li::before{content:"▸";color:var(--gold-dark);position:absolute;left:6px;font-weight:800}
.ptable-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:12px}
table.ptable{width:100%;border-collapse:collapse;font-size:13px;min-width:560px}
table.ptable th,table.ptable td{padding:11px 13px;text-align:left;border-bottom:1px solid var(--border)}
table.ptable thead th{background:#070709;color:var(--gold-light);font-size:12px;font-weight:700;white-space:nowrap}
table.ptable tbody tr:nth-child(even){background:var(--off-white)}
table.ptable tbody tr:hover{background:#fbf7ec}
.gname{font-weight:800;color:#20202a}
.gname a{color:#20202a}
.gname a:hover{color:var(--gold-dark);text-decoration:underline}
.gname .arr{color:var(--gold-dark);font-size:11px;font-weight:700;margin-left:4px;white-space:nowrap}
.pcell{font-family:'Oswald',sans-serif;font-weight:600;font-size:15px;color:#20202a;white-space:nowrap}
.pcap{font-size:10.5px;color:#8a8a8a;font-weight:400;font-family:'Noto Sans JP'}
.pcell .per{display:block;font-size:11px;color:var(--gold-dark);font-weight:600;font-family:'Noto Sans JP'}
.none{color:#b3b0a6;font-size:12px}
.choose{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:12px}
.choose .ch{background:#fff;border:1px solid var(--border);border-left:3px solid var(--gold);border-radius:10px;padding:13px 15px}
.choose .ch b{display:block;font-size:14px;color:#2a2630;margin-bottom:4px}
.choose .ch span{font-size:12.5px;color:#666;line-height:1.85}
.lf-btn{display:inline-flex;align-items:center;gap:9px;background:#fff;border:2px solid var(--gold);color:var(--gold-dark);font-weight:800;font-size:14px;padding:13px 22px;border-radius:10px;margin-top:6px}
.lf-btn:hover{background:var(--gold);color:#fff}
.faq h3{font-size:15px;font-weight:800;margin:18px 0 6px;color:#2a2630}
.faq p{font-size:13px;color:#444;line-height:1.95}
.faq a{color:var(--gold-dark);text-decoration:underline}
.cta{margin-top:40px;background:linear-gradient(135deg,#070709,#14100a 55%,#070709);border:1px solid rgba(201,168,76,.3);border-radius:16px;padding:30px 26px;text-align:center;color:#fff}
.cta h2{font-size:clamp(19px,3vw,25px);font-weight:900;margin-bottom:8px}
.cta p{font-size:13.5px;color:rgba(255,255,255,.7);margin-bottom:20px;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 26px;border-radius:30px}
.cta-primary{background:linear-gradient(135deg,var(--gold),var(--gold-light));color:#070709}
.cta-tel{background:transparent;border:1.5px solid var(--gold);color:var(--gold-light)}
.rel{display:flex;flex-wrap:wrap;gap:9px;margin-top:14px}
.rel a{font-size:12.5px;background:var(--off-white);border:1px solid var(--border);border-radius:20px;padding:7px 15px;color:#444}
.rel a:hover{border-color:var(--gold);color:var(--gold-dark)}
footer{background:#070709;color:rgba(255,255,255,.6);padding:34px 22px;margin-top:48px;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:32px 18px 30px}main{padding:0 16px}.hd-tel .tel{font-size:16px}}