:root{
  --bg:#FBF8F4; --ink:#2B2722; --muted:#6E655B; --line:#E8DFD3;
  --gold:#B8895A; --gold-dk:#9C7045; --cream:#F3ECE1; --line-green:#06C755;
  --maxw:760px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans JP",sans-serif;color:var(--ink);background:var(--bg);line-height:1.9;-webkit-font-smoothing:antialiased}
h1,h2,h3,.serif{font-family:"Noto Serif JP",serif}
a{color:var(--gold-dk);text-decoration:none}
a:hover{text-decoration:underline}

/* Header */
header{position:sticky;top:0;z-index:50;background:rgba(251,248,244,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px;max-width:1080px;margin:0 auto;padding:0 24px}
.logo{font-family:"Noto Serif JP",serif;font-weight:700;font-size:1.25rem;letter-spacing:.18em;color:var(--ink)}
.logo small{display:block;font-family:"Noto Sans JP",sans-serif;font-weight:500;font-size:.58rem;letter-spacing:.3em;color:var(--muted);margin-top:2px}
.nav .btn{display:inline-flex;align-items:center;gap:6px;background:var(--line-green);color:#fff;padding:9px 18px;border-radius:999px;font-weight:700;font-size:.85rem}
.nav .btn:hover{filter:brightness(.94);text-decoration:none}

/* Article */
.article{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.crumb{font-size:.8rem;color:var(--muted);margin:26px 0 0}
.crumb a{color:var(--muted)}
.eyebrow{display:inline-block;font-size:.74rem;letter-spacing:.18em;color:var(--gold-dk);font-weight:700;margin:30px 0 12px}
h1.title{font-size:2rem;line-height:1.5;font-weight:700;letter-spacing:.01em}
.meta{font-size:.82rem;color:var(--muted);margin-top:16px;padding-bottom:26px;border-bottom:1px solid var(--line)}
.body{margin-top:30px}
.body h2{font-size:1.4rem;line-height:1.6;margin:48px 0 16px;padding-left:14px;border-left:4px solid var(--gold)}
.body h3{font-size:1.1rem;margin:30px 0 10px;color:var(--gold-dk)}
.body p{margin:14px 0;font-size:1rem}
.body ul,.body ol{margin:14px 0 14px 1.4em}
.body li{margin:8px 0;font-size:1rem}
.body strong{color:var(--gold-dk)}
.lead{font-size:1.05rem;color:var(--muted)}
.box{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 24px;margin:26px 0}
.box.warn{background:#FFF6E9;border-color:#E9D4AC}
.box h3{margin-top:0}
.checklist{list-style:none;margin-left:0}
.checklist li{padding-left:30px;position:relative}
.checklist li::before{content:"✓";position:absolute;left:0;color:var(--gold);font-weight:700}

/* CTA */
.cta{background:linear-gradient(135deg,var(--ink),#3f372e);color:#fff;text-align:center;padding:40px 28px;border-radius:22px;margin:46px 0}
.cta h3{color:#fff;font-size:1.25rem}
.cta p{color:#D9CFC0;margin:12px 0 22px;font-size:.92rem}
.cta .btn-line{display:inline-flex;align-items:center;gap:8px;background:var(--line-green);color:#fff;padding:13px 28px;border-radius:999px;font-weight:700}
.cta .btn-line:hover{filter:brightness(.94);text-decoration:none}

/* Related */
.related{margin:46px 0}
.related h2{font-size:1.2rem;border-left:4px solid var(--gold);padding-left:14px;margin-bottom:16px}
.related a{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin-bottom:10px;color:var(--ink);font-weight:500}
.related a:hover{border-color:var(--gold);text-decoration:none}
.related a span{display:block;font-size:.8rem;color:var(--muted);font-weight:400;margin-top:4px}

/* Column index list */
.list-hero{text-align:center;padding:54px 24px 10px}
.list-hero .eyebrow{margin-bottom:10px}
.list-hero h1{font-size:1.9rem;font-weight:700}
.list-hero p{color:var(--muted);margin-top:14px}
.cards{max-width:880px;margin:34px auto 0;padding:0 24px;display:grid;grid-template-columns:1fr 1fr;gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px 24px;display:flex;flex-direction:column}
.card:hover{border-color:var(--gold)}
.card .tag{font-size:.72rem;letter-spacing:.1em;color:var(--gold-dk);font-weight:700}
.card h2{font-family:"Noto Serif JP",serif;font-size:1.15rem;line-height:1.6;margin:10px 0}
.card p{font-size:.88rem;color:var(--muted);flex:1}
.card .more{margin-top:14px;font-size:.85rem;color:var(--gold-dk);font-weight:700}
@media(max-width:680px){.cards{grid-template-columns:1fr}h1.title{font-size:1.6rem}}

/* Footer */
footer{background:#211D18;color:#C9BFB1;padding:44px 24px 28px;margin-top:60px}
.foot{max-width:1080px;margin:0 auto}
.foot .logo{color:#fff;margin-bottom:14px}
.foot p{font-size:.82rem;max-width:520px}
.legal{font-size:.78rem;line-height:1.95;border-top:1px solid #3a342c;margin-top:20px;padding-top:18px}
.legal .ph{color:var(--gold);font-weight:700}
.copy{font-size:.72rem;color:#7d7468;margin-top:18px;text-align:center}
.disc{font-size:.78rem;color:var(--muted);background:var(--cream);border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin:30px auto;max-width:var(--maxw)}

/* Affiliate disclosure (ステマ規制対応) */
.pr-banner{max-width:var(--maxw);margin:18px auto 0;padding:0 24px}
.pr-banner div{background:#FFF6E9;border:1px solid #E9D4AC;color:#7a5a2c;font-size:.78rem;border-radius:10px;padding:10px 16px;line-height:1.7}
.pr-banner b{color:#7a5a2c}

/* Product (affiliate) cards */
.products{margin:24px 0}
.product{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 22px;margin-bottom:16px;align-items:flex-start}
.product .pno{flex:0 0 38px;height:38px;border-radius:50%;background:var(--cream);color:var(--gold-dk);display:grid;place-items:center;font-family:"Noto Serif JP",serif;font-weight:700}
.product .pbody{flex:1}
.product h3{font-size:1.08rem;margin:0 0 6px;color:var(--ink)}
.product .role{font-size:.78rem;color:var(--gold-dk);font-weight:700;margin-bottom:8px}
.product p{font-size:.92rem;color:var(--muted);margin:6px 0 12px}
.product .amazon{display:inline-flex;align-items:center;gap:7px;background:var(--gold);color:#fff;padding:9px 18px;border-radius:999px;font-weight:700;font-size:.85rem}
.product .amazon:hover{background:var(--gold-dk);text-decoration:none}
.product .amazon::before{content:"🛒"}
@media(max-width:560px){.product{flex-direction:column;gap:10px}}

/* Compact equipment list */
.bihin-row{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:13px 2px;border-bottom:1px dashed var(--line)}
.bihin-row:last-child{border-bottom:0}
.bihin-row .bx{flex:1}
.bihin-row .bn{font-weight:700;font-size:.95rem;color:var(--ink);display:block}
.bihin-row .bd{font-size:.82rem;color:var(--muted)}
.bihin-row a.bl{flex:0 0 auto;background:var(--cream);color:var(--gold-dk);border:1px solid var(--line);padding:7px 15px;border-radius:999px;font-weight:700;font-size:.8rem;white-space:nowrap}
.bihin-row a.bl:hover{background:var(--gold);color:#fff;text-decoration:none}
.bihin-row a.bl::before{content:"🛒 "}