/* お困りごと解決ガイド 共通スタイル（黒×金・ENEOS基準） */
:root{--gold:#c9a84c;--gold-light:#e2c980;--gold-dark:#9e7e2e;--black:#070709;--white:#fff;--off-white:#faf9f6;--gray:#6b6a64;--text:#1c1c1e;--border:#e6e3da;--red:#c0473c;--kero:#4d97ff;--diesel:#3f9d5a}
*,*::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:1.95;-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:920px;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:18px;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:9px;font-weight:400;letter-spacing:1px}
.ghd-nav{border-top:1px solid rgba(201,168,76,.1)}
.ghd-in{max-width:960px;margin:0 auto;display:flex;gap:0;overflow-x:auto;-webkit-overflow-scrolling:touch;padding:0 12px;scrollbar-width:none}
.ghd-in::-webkit-scrollbar{display:none}
.ghd-in a{flex:0 0 auto;color:rgba(255,255,255,.72);font-size:12.5px;font-weight:600;padding:9px 13px;white-space:nowrap;border-bottom:2px solid transparent;transition:color .2s,border-color .2s}
.ghd-in a:hover{color:var(--gold);border-bottom-color:var(--gold)}
.hero{background:linear-gradient(135deg,#070709,#100d04 50%,#070709);color:#fff;padding:50px 22px 42px;border-bottom:4px solid var(--gold)}
.hero-in{max-width:860px;margin:0 auto}
.bc{font-size:11.5px;color:rgba(255,255,255,.45);margin-bottom:16px}
.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:16px}
.hero h1{font-size:clamp(21px,3.8vw,31px);font-weight:900;line-height:1.42}
.hero .sub{font-size:14px;color:rgba(255,255,255,.66);margin-top:14px;line-height:2;max-width:760px}
.hero .meta{font-size:11.5px;color:rgba(255,255,255,.4);margin-top:16px}
article{max-width:860px;margin:0 auto;padding:44px 22px}
.lead{font-size:15.5px;color:#2c2c2e;line-height:2.15;border-left:3px solid var(--gold);padding:6px 0 6px 18px;margin-bottom:8px}
h2{font-size:clamp(19px,3.2vw,25px);font-weight:900;margin:50px 0 8px;line-height:1.42}
h2 .en{display:block;font-family:'Oswald',sans-serif;font-size:12px;font-weight:500;letter-spacing:3px;color:var(--gold-dark);margin-bottom:4px}
h3{font-size:16.5px;font-weight:800;margin:26px 0 10px;color:#2a2630}
p{font-size:14.5px;color:#3a3a3c;line-height:2.05;margin:10px 0}
.note{font-size:12px;color:#8a8a8a;line-height:1.8;margin-top:10px}
strong{color:var(--gold-dark)}
ul.rl,ol.rl{margin:10px 0;padding-left:20px}
ul.rl li,ol.rl li{font-size:14px;color:#3a3a3c;line-height:1.95;margin:6px 0}
ul.rl li strong,ol.rl li strong{color:var(--gold-dark)}
.tldr2{background:var(--off-white);border:1px solid var(--border);border-radius:14px;padding:16px 20px;margin:18px 0}
.tldr2 b.h{font-size:13px;color:var(--gold-dark);letter-spacing:.5px}
.tldr2 ul{margin:8px 0 0;padding-left:20px}
.tldr2 li{font-size:14px;color:#3a3a3c;line-height:1.95}
.simple{background:#eef4f8;border:1px solid #d8e6ef;border-left:4px solid var(--kero);border-radius:10px;padding:12px 16px;margin:12px 0;font-size:13.5px;line-height:1.95;color:#274b66}
.simple .lb{display:inline-block;font-size:11px;font-weight:800;color:#fff;background:var(--kero);border-radius:5px;padding:1px 9px;margin-right:8px;vertical-align:1.5px}
.simple b{color:#1f5f8b}
.warn{background:#fbeeec;border:1px solid #efd6d1;border-left:4px solid var(--red);border-radius:10px;padding:14px 18px;margin:14px 0;font-size:13.5px;line-height:1.95;color:#5a3b36}
.warn b{color:#a5382c}
.ctbl-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:12px;margin:16px 0}
table.ctbl{width:100%;border-collapse:collapse;font-size:13px;min-width:520px}
table.ctbl th,table.ctbl td{padding:10px 13px;text-align:left;border-bottom:1px solid var(--border);vertical-align:top}
table.ctbl thead th{background:#15130f;color:var(--gold-light);font-family:'Oswald',sans-serif;font-weight:500;font-size:11.5px;letter-spacing:1px}
table.ctbl tbody tr:nth-child(even){background:var(--off-white)}
table.ctbl .hl{background:#f3ecdb!important}
.callout{background:var(--off-white);border:1px solid var(--border);border-left:4px solid var(--gold);border-radius:10px;padding:16px 20px;margin:18px 0;font-size:14px;line-height:2}
.qa{border-bottom:1px solid var(--border);padding:13px 2px}
.qa .q{font-weight:800;font-size:14.5px;color:#20202a}
.qa p{margin:6px 0 0;font-size:13.5px;color:#444;line-height:1.95}
.gcards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,270px),1fr));gap:14px;margin:18px 0}
.gcard{display:block;background:#fff;border:1px solid var(--border);border-top:3px solid var(--gold);border-radius:12px;padding:18px 18px;transition:transform .15s,box-shadow .2s,border-color .2s}
.gcard:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(0,0,0,.08);border-color:var(--gold)}
.gcard .gk{font-family:'Oswald',sans-serif;font-size:10.5px;letter-spacing:2px;color:var(--gold-dark)}
.gcard .gt{font-size:16px;font-weight:800;color:#20202a;margin:4px 0 6px;line-height:1.45}
.gcard .gd{font-size:12.5px;color:#5f5f5f;line-height:1.8}
.gcard .gmore{display:inline-block;margin-top:10px;font-size:12.5px;font-weight:700;color:var(--gold-dark)}
.gsec{font-size:12px;font-family:'Oswald',sans-serif;letter-spacing:2px;color:var(--gold-dark);margin:30px 0 2px;font-weight:600}
.linklist{list-style:none;margin:12px 0;padding:0}
.linklist li{font-size:13px;padding:8px 0;border-bottom:1px dashed var(--border);line-height:1.8}
.linklist a{color:var(--gold-dark);font-weight:600;text-decoration:underline;text-underline-offset:2px}
.linklist .t{color:#777;font-weight:400}
.cta{margin-top:42px;background:linear-gradient(135deg,#070709,#14100a 55%,#070709);border:1px solid rgba(201,168,76,.3);border-radius:16px;padding:28px 24px;text-align:center;color:#fff}
.cta h2{margin:0 0 8px;font-size:clamp(18px,3vw,23px);border:none;padding:0}
.cta p{color:rgba(255,255,255,.72);font-size:13.5px;margin-bottom:18px}
.cta-btns{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.cta-btns a{font-weight:800;font-size:14.5px;padding:13px 24px;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:8px 15px;color:#333}
.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)}