.merchant-main { width: min(1220px, calc(100% - 2rem)); margin: 2.5rem auto 4rem; }
.merchant-main a:not(.button), .product-detail-link, .policy-links a { text-decoration: underline; text-underline-offset: .2em; }
.breadcrumb { display: inline-block; margin-bottom: 1.5rem; color: var(--muted); }
.product-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.product-photo { margin: 0; padding: 1.5rem; border-radius: 20px; background: white; }
.product-photo img { width: 100%; height: auto; }
.product-photo figcaption { color: var(--muted); line-height: 1.5; font-size: .85rem; margin-top: 1rem; }
.product-copy { display: grid; gap: 1.2rem; line-height: 1.6; }
.merchant-main h1 { max-width: none; font-size: clamp(2.8rem, 5vw, 4.8rem); line-height: 1.02; }
.product-price { font-size: 2.4rem; font-weight: 700; }
.product-price span { font-size: 1rem; font-weight: 400; color: var(--muted); }
.product-specs { margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
.product-specs div { padding: .8rem; background: white; border-radius: 8px; }
.product-specs dt { color: var(--muted); font-size: .85rem; }
.product-specs dd { margin: .1rem 0 0; font-weight: 700; }
.purchase-policy { padding: 1rem; background: #fff3e8; border-left: 3px solid var(--accent); }
.policy-card { max-width: 850px; padding: clamp(1.3rem, 4vw, 3rem); margin: 0 auto; background: white; border-radius: 20px; line-height: 1.7; display: grid; gap: 1.4rem; }
.policy-card h2 { font-family: "Space Grotesk", sans-serif; font-size: 1.4rem; line-height: 1.4; letter-spacing: normal; text-transform: none; }
.contact-email { font-size: clamp(1rem, 2.6vw, 1.5rem); overflow-wrap: anywhere; }
.policy-card table { border-collapse: collapse; width: 100%; text-align: left; }
.policy-card caption { text-align: left; font-weight: 700; margin-bottom: .7rem; }
.policy-card th, .policy-card td { border-bottom: 1px solid var(--line); padding: .7rem .4rem; }
.policy-links { display: flex; flex-wrap: wrap; gap: 1rem; }
.product-detail-link { font-size: .9rem; font-weight: 700; }
@media (max-width: 760px) { .product-layout { grid-template-columns: 1fr; gap: 1.5rem; } .product-photo { max-width: 500px; width: 100%; margin: auto; } }