:root{--ink:#14171f;--muted:#5d6472;--bg:#fafaf7;--card:#fff;--line:#e5e4de;--acc:#2445d6;--acc2:#1a33a8;--soft:#eef1fc;--warm:#f2b134}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans","Noto Sans CJK SC","Noto Sans JP",sans-serif;color:var(--ink);background:var(--bg);line-height:1.65}
a{color:var(--acc)}
.wrap{max-width:960px;margin:0 auto;padding:0 20px}
.top{border-bottom:1px solid var(--line);background:#fff}
.top .wrap{display:flex;justify-content:space-between;align-items:center;height:60px;gap:12px}
.logo{font-weight:800;font-size:20px;color:var(--ink);text-decoration:none}.logo span{color:var(--warm)}
.top nav a{text-decoration:none;color:var(--muted);font-size:14px}.top nav a[aria-current]{color:var(--ink);font-weight:700}
.crumbs{font-size:14px;color:var(--muted);margin:22px 0 0}.crumbs a{color:var(--muted)}
.hero{padding:28px 0 36px}
.tag{display:inline-block;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--acc);background:var(--soft);padding:4px 10px;border-radius:99px}
h1{font-size:clamp(28px,4.6vw,44px);line-height:1.15;letter-spacing:-.02em;margin:14px 0 14px}
.lead{font-size:18px;color:var(--muted);max-width:760px;margin:0 0 20px}
.stats{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14px;color:var(--muted);margin-bottom:26px}.stats b{color:var(--ink)}
.cta{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-block;background:var(--acc);color:#fff;text-decoration:none;font-weight:700;padding:13px 22px;border-radius:9px;border:2px solid var(--acc)}
.btn:hover{background:var(--acc2);border-color:var(--acc2)}
.btn.ghost{background:transparent;color:var(--acc)}.btn.ghost:hover{background:var(--soft)}
section{padding:30px 0;border-top:1px solid var(--line)}
section.hero{border-top:0}
h2{font-size:24px;margin:0 0 16px;letter-spacing:-.01em}
.table{overflow-x:auto;background:var(--card);border:1px solid var(--line);border-radius:12px}
table{border-collapse:collapse;width:100%;font-size:15px}
td{padding:11px 16px;border-bottom:1px solid var(--line);vertical-align:top}tr:last-child td{border-bottom:0}
td:first-child{white-space:nowrap;width:1%}code{background:var(--soft);padding:2px 6px;border-radius:5px;font-size:13px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.steps{padding-left:20px;margin:0}.steps li{margin-bottom:10px}
.pricebox{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px}
.big{font-size:36px;font-weight:800;margin:0 0 8px}.big small{font-size:15px;font-weight:500;color:var(--muted)}
.muted{color:var(--muted);font-size:14px}
.uses{padding-left:20px;margin:0}.uses li{margin-bottom:10px}
details{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin-bottom:10px}
summary{font-weight:700;cursor:pointer}details p{margin:10px 0 0;color:var(--muted)}
.final{text-align:center;padding:44px 0}
.foot{border-top:1px solid var(--line);padding:24px 0 40px;font-size:14px}
@media(max-width:700px){.grid2{grid-template-columns:1fr}.lead{font-size:16px}}

.exgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}
.ex{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;display:flex;flex-direction:column}
.ex h3{font-size:17px;margin:0 0 6px}.ex p{margin:0 0 10px;color:var(--muted);font-size:15px}
.ex pre{background:#14171f;color:#e8ecf6;border-radius:8px;padding:12px;font-size:12.5px;overflow-x:auto;margin:0 0 12px;flex:1}
.ex pre code{background:none;padding:0;color:inherit;font-size:inherit}
.ex a{font-weight:700;text-decoration:none}
.top nav{display:flex;flex-wrap:wrap;gap:4px 10px;justify-content:flex-end}

.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.card{display:flex;flex-direction:column;gap:6px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;text-decoration:none;color:var(--ink)}
.card:hover{border-color:var(--acc)}.card span{color:var(--muted);font-size:14px}.card i{font-style:normal;font-size:13px;color:var(--acc);font-weight:700}