:root { --primary: #ce93d8; --dark: #ab47bc; --bg: #faf5fc; --text: #3e2a4a; --muted: #7b6b85; --card: #fff; --sidebar: #f3e5f5; --border: #e8dff0; }
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: Meiryo, sans-serif; background: var(--bg); color: var(--text); line-height: 1.7; }
a { color: var(--dark); }
img { max-width: 100%; height: auto; display: block; }
.app { display: flex; min-height: 100vh; }
.sidebar { width: 220px; background: var(--sidebar); border-right: 1px solid var(--border); padding: 1.5rem 0; flex-shrink: 0; position: sticky; top: 0; height: 100vh; align-self: flex-start; }
.sidebar .brand { padding: 0 1.25rem 1.5rem; font-weight: 700; font-size: 1.2rem; color: var(--dark); display: block; }
.sidebar nav a { display: block; padding: 0.75rem 1.25rem; color: var(--text); font-size: 0.95rem; }
.sidebar nav a:hover { background: rgba(171,71,188,0.12); color: var(--dark); }
.content { flex: 1; min-width: 0; }
.block { scroll-margin-top: 1rem; padding: 2rem; border-bottom: 1px solid var(--border); }
.block h2 { color: var(--dark); margin-bottom: 1rem; font-size: 1.35rem; }
.banner-side { display: grid; grid-template-columns: 280px 1fr; gap: 2rem; align-items: start; }
@media (max-width: 900px) { .banner-side { grid-template-columns: 1fr; } .app { flex-direction: column; } .sidebar { width: 100%; height: auto; position: relative; } .sidebar nav { display: flex; flex-wrap: wrap; } .sidebar nav a { padding: 0.5rem 1rem; } }
.banner-side img { border-radius: 12px; height: 320px; width: 100%; object-fit: cover; }
.product-list { display: flex; flex-direction: column; gap: 1rem; }
.product-row { display: flex; gap: 1.25rem; background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 1rem; }
.product-row img { width: 140px; height: 140px; object-fit: cover; border-radius: 8px; flex-shrink: 0; }
.product-row .price { color: var(--dark); font-weight: 700; margin-top: 0.5rem; }
.detail-block { display: flex; gap: 1.5rem; background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 1.25rem; margin-bottom: 1.25rem; flex-wrap: wrap; }
.detail-block img { width: 200px; height: 200px; object-fit: cover; border-radius: 8px; }
.detail-block .price { color: var(--dark); font-weight: 700; font-size: 1.2rem; margin: 0.5rem 0; }
.prose h1 { color: var(--dark); margin-bottom: 1rem; }
.prose h3 { margin: 1rem 0 0.5rem; color: var(--dark); }
.prose p { color: var(--muted); margin-bottom: 0.65rem; }
.footer-mini { padding: 1.5rem 2rem; text-align: center; color: var(--muted); font-size: 0.9rem; }