:root{--bg:#f4f6fa;--paper:#fff;--ink:#202532;--sub:#687184;--line:#dce1ea;--nav:#141820;--accent:#d23b3b;--accent2:#315fa5;--machine:#111827}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,"Hiragino Sans","Yu Gothic",Meiryo,sans-serif;line-height:1.75}
a{color:inherit}
img{max-width:100%;height:auto}
.sitebar{background:var(--nav);color:#fff}
.sitebar-inner{max-width:1060px;margin:auto;padding:11px 18px;display:flex;align-items:center;justify-content:space-between;gap:15px}
.brand{font-weight:900;text-decoration:none;letter-spacing:.03em}
.sitebar nav{display:flex;gap:14px;font-size:13px}
.sitebar nav a{color:#dce2ee;text-decoration:none}
.wrap{max-width:1060px;margin:auto;padding:0 18px 60px}
.crumb{font-size:12px;color:var(--sub);padding:13px 0}
.crumb a{text-decoration:none}
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--machine),color-mix(in srgb,var(--accent2) 38%,var(--machine)));border-radius:22px;color:#fff;padding:34px;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(260px,.85fr);gap:28px;align-items:center;box-shadow:0 12px 34px rgba(15,25,45,.16)}
.hero:after{content:"";position:absolute;width:430px;height:430px;border-radius:50%;right:-170px;top:-220px;background:var(--accent);opacity:.13;filter:blur(2px)}
.kicker{font-size:13px;font-weight:900;letter-spacing:.13em;color:var(--accent)}
h1{font-size:clamp(30px,5vw,50px);line-height:1.2;margin:10px 0 12px}
.hero-lead{font-size:16px;color:#e8edf7;margin:0 0 18px}
.tags{display:flex;flex-wrap:wrap;gap:7px;margin:13px 0 19px}
.tag{font-size:12px;font-weight:800;padding:4px 10px;border:1px solid rgba(255,255,255,.25);border-radius:999px;background:rgba(255,255,255,.08)}
.actions{display:flex;flex-wrap:wrap;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border-radius:11px;padding:12px 18px;text-decoration:none;font-weight:900;border:1px solid transparent;cursor:pointer;font:inherit}
.btn-play{background:var(--accent);color:#111;border-color:color-mix(in srgb,var(--accent) 70%,#000)}
.btn-sub{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.28)}
.hero-art{position:relative;z-index:1;background:#fff;border-radius:18px;padding:18px;box-shadow:0 16px 30px rgba(0,0,0,.28)}
.hero-art img{display:block;margin:auto;max-height:255px;object-fit:contain}
.quick{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:18px 0}
.quick div{background:#fff;border:1px solid var(--line);border-radius:13px;padding:13px;text-align:center}
.quick b{display:block;font-size:17px;color:var(--accent2)}
.quick span{font-size:11px;color:var(--sub)}
.section{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:24px;margin-top:18px;box-shadow:0 2px 8px rgba(20,35,65,.04)}
.section h2{font-size:23px;line-height:1.35;margin:0 0 16px;padding-left:12px;border-left:5px solid var(--accent)}
.section h3{font-size:17px;margin:22px 0 10px}
.intro{font-size:16px}
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.feature{border:1px solid var(--line);border-radius:13px;padding:16px;background:#fafbfe}
.feature b{display:block;color:var(--accent2);margin-bottom:5px}
.scroll{overflow-x:auto}
table{width:100%;border-collapse:collapse;white-space:nowrap;font-size:14px}
th,td{border-bottom:1px solid var(--line);padding:10px 9px;text-align:center}
th{background:#f0f3f8;font-weight:900}
td:first-child,th:first-child{font-weight:900}
.note{font-size:12px;color:var(--sub);margin-top:10px}
.symbol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.symbol-card{border:1px solid var(--line);border-radius:13px;overflow:hidden;background:#fff}
.symbol-card img{display:block;width:100%;aspect-ratio:225/153;object-fit:contain;background:#fff}
.symbol-card b{display:block;text-align:center;padding:8px;border-top:1px solid var(--line)}
.roles td:nth-child(1){text-align:left}
.reel-help{font-size:13px;color:var(--sub)}
.reel-table{table-layout:fixed;white-space:normal}
.reel-table th{position:sticky;top:0}
.reel-table td{padding:4px}
.reel-chip{display:block;border-radius:6px;padding:5px 3px;font-size:11px;font-weight:900;background:#eef1f6;border:1px solid #d8deea}
.reel-no{font-size:10px;color:var(--sub);width:40px}
.steps{counter-reset:step;display:grid;gap:10px;padding:0;margin:0;list-style:none}
.steps li{counter-increment:step;position:relative;padding:13px 14px 13px 52px;border:1px solid var(--line);border-radius:12px;background:#fafbfe}
.steps li:before{content:counter(step);position:absolute;left:13px;top:12px;width:28px;height:28px;display:grid;place-items:center;border-radius:50%;background:var(--accent);color:#111;font-weight:900}
.sharebox{background:linear-gradient(135deg,#171b24,#252c39);color:#fff}
.sharebox h2{border-color:var(--accent)}
.sharecopy{color:#dfe5f0}
.related{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.related a{border:1px solid var(--line);border-radius:12px;text-decoration:none;padding:12px;background:#fff;font-weight:800}
.related small{display:block;color:var(--sub);font-weight:500}
.machine-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.machine-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 3px 12px rgba(20,35,65,.05)}
.machine-card .pic{background:#fff;padding:16px;height:210px;display:grid;place-items:center}
.machine-card .pic img{max-height:180px;object-fit:contain}
.machine-card .body{padding:18px}
.machine-card h2{font-size:21px;margin:0 0 7px}
.machine-card p{font-size:14px;color:var(--sub);min-height:50px}
.machine-card .actions .btn-sub{color:var(--ink);border-color:var(--line);background:#f6f8fb}
.faq details{border-top:1px solid var(--line);padding:13px 0}
.faq summary{font-weight:900;cursor:pointer}
footer{margin-top:28px;text-align:center;color:var(--sub);font-size:12px}
.fixed-play{display:none}
@media(max-width:760px){
 .sitebar nav{display:none}.wrap{padding:0 11px 84px}
 .hero{grid-template-columns:1fr;padding:23px 18px}.hero-art{order:-1;padding:12px}.hero-art img{max-height:190px}
 .quick{grid-template-columns:repeat(2,1fr)}
 .feature-grid,.machine-list{grid-template-columns:1fr}
 .symbol-grid{grid-template-columns:repeat(2,1fr)}
 .related{grid-template-columns:repeat(2,1fr)}
 .section{padding:18px 14px}
 .fixed-play{display:block;position:fixed;left:10px;right:10px;bottom:10px;z-index:20}
 .fixed-play .btn{width:100%;box-shadow:0 8px 28px rgba(0,0,0,.28)}
}

/* みんなの記録（一覧カード）と777Gチャレンジ記録 */
.machine-card p.gstat-line{min-height:0;font-size:12px;color:var(--accent2);font-weight:800;margin:2px 0 10px}
.machine-card p.gstat-line:empty{display:none;margin:0}
.chrec p{margin:0 0 10px}
.chrec .pos{color:#1d9e50;font-weight:800}
.chrec .neg{color:#d23b3b;font-weight:800}