:root{--pink:#ff5b8a;--pink-dark:#e23e6e;--ink:#2b2b33;--muted:#6b6b76;--bg:#fff8fa;--card:#ffffff;--border:#ffe0ea;--max:760px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Noto Sans JP,Segoe UI,sans-serif;line-height:1.85;font-size:16px}a{color:var(--pink-dark);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:var(--max);margin:0 auto;padding:0 20px}.site-header{background:#fff;border-bottom:1px solid var(--border);position:-webkit-sticky;position:sticky;top:0;z-index:10}.header-inner{display:flex;align-items:center;justify-content:space-between;height:60px}.logo{font-weight:800;font-size:1.2rem;color:var(--pink-dark)}.nav a{margin-left:16px;color:var(--ink);font-size:.95rem}.main{padding:32px 20px 64px;min-height:60vh}.hero{text-align:center;padding:24px 0 8px}.hero h1{font-size:1.6rem;margin:0 0 8px}.hero p{color:var(--muted);margin:0}.post-list{list-style:none;padding:0;margin:24px 0 0}.post-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px 20px;margin-bottom:16px;transition:transform .12s ease,box-shadow .12s ease}.post-card:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(226,62,110,.12)}.post-card .cat{display:inline-block;background:var(--pink);color:#fff;font-size:.72rem;padding:2px 10px;border-radius:999px;margin-bottom:8px}.post-card h2{font-size:1.1rem;margin:0 0 6px}.post-card h2 a{color:var(--ink)}.post-card .desc{color:var(--muted);font-size:.9rem;margin:0}.post-card .date{color:#b3b3bd;font-size:.78rem;margin-top:8px}.article{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:28px}.article .cat{display:inline-block;background:var(--pink);color:#fff;font-size:.75rem;padding:3px 12px;border-radius:999px}.article h1{font-size:1.55rem;margin:12px 0 6px;line-height:1.4}.article .meta{color:#b3b3bd;font-size:.82rem;margin-bottom:20px}.article-body h2{font-size:1.25rem;margin:36px 0 14px;padding:8px 0 8px 14px;border-left:5px solid var(--pink);background:#fff2f6}.article-body h3{font-size:1.08rem;margin:24px 0 10px;color:var(--pink-dark)}.article-body img{max-width:100%;height:auto;border-radius:10px}.article-body table{width:100%;border-collapse:collapse;margin:18px 0;font-size:.92rem}.article-body td,.article-body th{border:1px solid var(--border);padding:10px;text-align:left}.article-body th{background:#fff2f6}.article-body ol,.article-body ul{padding-left:1.4em}.article-body blockquote{border-left:4px solid var(--pink);margin:16px 0;padding:8px 16px}.ad-banner,.article-body blockquote{background:#fff2f6;color:var(--muted)}.ad-banner{border:1px dashed var(--pink);border-radius:10px;padding:10px 14px;font-size:.8rem;margin-bottom:20px}.back{display:inline-block;margin-top:28px;font-size:.9rem}.aff-box{margin:28px 0}.aff-box-title{font-weight:800;font-size:1.05rem;margin:0 0 12px;color:var(--pink-dark)}.aff-card{background:#fff;border:2px solid var(--border);border-radius:14px;padding:16px 18px;margin-bottom:14px}.aff-card-head{display:flex;align-items:center;gap:10px;margin-bottom:6px}.aff-type{background:var(--pink);color:#fff;font-size:.72rem;padding:2px 10px;border-radius:999px;flex-shrink:0}.aff-name{font-weight:800;font-size:1.02rem}.aff-catch{color:var(--pink-dark);font-weight:700;margin:4px 0;font-size:.95rem}.aff-point{color:var(--ink);margin:4px 0;font-size:.9rem}.aff-target{color:var(--muted);margin:4px 0 12px;font-size:.82rem}.aff-btn{display:block;text-align:center;background:var(--pink-dark);color:#fff!important;font-weight:800;padding:12px;border-radius:10px;text-decoration:none!important;transition:opacity .12s ease}.aff-btn:hover{opacity:.9}.aff-btn--soon{background:#f0d9e2;color:var(--muted)!important;cursor:default}.site-footer{border-top:1px solid var(--border);background:#fff;padding:24px 0}.disclosure{font-size:.75rem;color:var(--muted);margin:0 0 8px}.copyright{font-size:.8rem;color:#b3b3bd;margin:0}