/* V-pets guide — 記事/一覧 共通スタイル（トップのトーンを踏襲） */
:root{
  --accent:#8B7CF6;--accent-dark:#6F5FE0;--accent-soft:#F0EDFE;
  --accent2:#FF9EC4;
  --bg:#ffffff;--soft:#F5F3FF;--ink:#1A1A1A;--text2:#5B5B5B;--line:#E5E5E5;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans JP",sans-serif;background:var(--bg);color:var(--ink);line-height:1.9;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:inherit}
img{display:block;max-width:100%}
.wrap{max-width:760px;margin:0 auto;padding:0 22px}
.wrap-wide{max-width:1120px;margin:0 auto;padding:0 22px}
.en{font-family:"Poppins",sans-serif;letter-spacing:.02em}

/* header */
.g-header{background:#15171c;padding:0}
.g-header .wrap-wide{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:inline-flex;align-items:center;gap:9px;text-decoration:none;color:#fff;font-family:"Poppins";font-weight:800;font-size:19px}
.brand img{height:27px;width:auto;display:block}
.h-back{font-size:14px;color:rgba(255,255,255,.75);text-decoration:none;display:inline-flex;align-items:center;gap:5px;font-weight:600}
.h-back:hover{color:#fff}

/* breadcrumb + head */
.crumb{font-size:13px;color:var(--text2);margin-bottom:16px}
.crumb a{color:var(--text2);text-decoration:none}
.crumb a:hover{color:var(--accent-dark)}
.crumb span{color:var(--ink)}
.kicker{font-family:"Poppins";font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:12px}

/* article head */
.art-head{padding:44px 0 4px}
.art-head h1{font-size:clamp(23px,3.6vw,31px);font-weight:900;line-height:1.5;margin-bottom:16px}
.lead{font-size:16.5px;color:var(--text2);line-height:1.9}

/* eyecatch (assets/<slug>.jpg を置けば自動で表示。無ければプレースホルダー) */
.art-hero{position:relative;margin:26px 0 8px;border-radius:14px;overflow:hidden;aspect-ratio:16/9;background:linear-gradient(135deg,#efeafc,#fde4ef)}
.art-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.art-hero .ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:13px;font-weight:700;letter-spacing:.05em}

/* TOC */
.toc{background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:22px 26px;margin:34px 0}
.toc-title{font-size:14px;font-weight:700;margin-bottom:12px;display:flex;align-items:center;gap:7px}
.toc-title i{color:var(--accent)}
.toc ol{list-style:none;counter-reset:t;display:flex;flex-direction:column;gap:8px}
.toc li{counter-increment:t;font-size:14.5px}
.toc a{text-decoration:none;color:var(--ink)}
.toc a:hover{color:var(--accent-dark)}
.toc li::before{content:counter(t) ". ";color:var(--accent);font-weight:700}

/* article body */
article h2{font-size:22px;font-weight:800;margin:48px 0 18px;scroll-margin-top:80px}
article h3{font-size:17.5px;font-weight:700;margin:26px 0 10px}
article p{font-size:15.5px;color:#333;margin-bottom:16px}
article ul,article ol{margin:0 0 18px 1.3em;font-size:15.5px;color:#333}
article li{margin-bottom:8px}
article strong{color:var(--accent-dark);font-weight:700}
article table{width:100%;border-collapse:collapse;margin:8px 0 22px;font-size:14.5px}
article th,article td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
article thead th{background:var(--soft);font-weight:700}
.note{background:var(--accent-soft);border:1px solid rgba(139,124,246,.28);border-radius:12px;padding:16px 20px;font-size:14.5px;color:#443a6a;margin:20px 0}
.note b{color:var(--accent-dark)}

/* article FAQ */
.art-faq{margin:46px 0 0;border-top:1px solid var(--line);padding-top:34px}
.art-faq h2{margin-top:0}
.art-faq details{border:1px solid var(--line);border-radius:12px;padding:0;margin-bottom:12px;overflow:hidden}
.art-faq summary{list-style:none;cursor:pointer;padding:16px 20px;font-size:15px;font-weight:700;display:flex;justify-content:space-between;align-items:center;gap:12px}
.art-faq summary::-webkit-details-marker{display:none}
.art-faq summary i{color:var(--accent);transition:transform .2s;flex-shrink:0}
.art-faq details[open] summary i{transform:rotate(45deg)}
.art-faq .faq-a{padding:0 20px 18px;font-size:14.5px;color:#444;line-height:1.85}

/* inline CTA card */
.cta-card{margin:44px 0 10px;background:linear-gradient(135deg,#8B7CF6,#FF9EC4);border-radius:16px;padding:32px 30px;color:#fff;display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.cta-card .cc-text{flex:1;min-width:220px}
.cta-card .cc-kicker{font-family:"Poppins";font-size:12px;font-weight:700;letter-spacing:.1em;color:rgba(255,255,255,.85);text-transform:uppercase;margin-bottom:8px}
.cta-card h4{font-size:19px;font-weight:800;margin-bottom:8px}
.cta-card p{font-size:14px;color:rgba(255,255,255,.92);margin:0}
.cta-btn{display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--accent-dark);font-weight:700;font-size:15px;padding:13px 24px;border-radius:9px;text-decoration:none;white-space:nowrap;box-shadow:0 8px 20px rgba(0,0,0,.15)}
.cta-btn:hover{background:#fef2f7}

/* related articles */
.related{margin:46px 0 0;border-top:1px solid var(--line);padding-top:30px}
.related h2{font-size:18px;font-weight:800;margin-bottom:18px}
.related-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.related-list a{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:12px;padding:15px 18px;text-decoration:none;font-size:14.5px;font-weight:600;color:var(--ink);transition:.18s;line-height:1.5}
.related-list a:hover{border-color:var(--accent);color:var(--accent-dark)}
.related-list i{color:var(--accent);flex-shrink:0}

/* hub (記事一覧) */
.hub-head{padding:52px 0 8px;text-align:center}
.hub-head h1{font-size:clamp(26px,4vw,36px);font-weight:900;margin-bottom:14px}
.hub-head p{font-size:16px;color:var(--text2)}
.hub-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:40px 0 10px}
.hub-card{border:1px solid var(--line);border-radius:16px;overflow:hidden;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;transition:.2s;background:#fff}
.hub-card:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:0 16px 36px rgba(139,124,246,.14)}
.hub-thumb{position:relative;aspect-ratio:16/9;background:linear-gradient(135deg,#efeafc,#fde4ef);overflow:hidden}
.hub-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.hub-thumb .ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:12px;font-weight:700;letter-spacing:.05em}
.hub-body{padding:20px 22px 22px}
.hub-tag{font-family:"Poppins";font-size:11px;font-weight:700;letter-spacing:.08em;color:var(--accent);text-transform:uppercase;margin-bottom:9px;display:block}
.hub-card h2{font-size:17px;font-weight:800;line-height:1.55;margin-bottom:9px;letter-spacing:-.01em}
.hub-card p{font-size:13.5px;color:var(--text2);line-height:1.75}

/* footer */
.g-footer{border-top:1px solid var(--line);padding:30px 0;text-align:center;font-size:12.5px;color:#8b909a;margin-top:56px}
.g-footer a{color:#8b909a;text-decoration:none;margin:0 10px}
.g-footer a:hover{color:var(--accent-dark)}

@media(max-width:680px){
  .related-list,.hub-grid{grid-template-columns:1fr}
  .cta-card{flex-direction:column;text-align:center}
  .h-back{display:none}
}