.quality-guide { width: min(1160px, calc(100% - 48px)); margin: 56px auto; padding: 42px 0; border-top: 1px solid rgba(244,240,232,.16); border-bottom: 1px solid rgba(244,240,232,.16); }
.quality-guide h2 { max-width: 820px; margin: 0 0 18px; font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: clamp(1.8rem, 4vw, 3.2rem); line-height: 1.35; }
.quality-eyebrow { margin: 0 0 12px; color: var(--accent, #d9a85c); font-size: .74rem; font-weight: 800; letter-spacing: .12em; }
.quality-lead { max-width: 850px; color: rgba(244,240,232,.72); line-height: 1.95; }
.quality-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1px; margin-top: 28px; background: rgba(244,240,232,.14); }
.quality-grid article { min-width: 0; padding: 24px; background: #111110; }
.quality-grid article > span { color: var(--accent, #d9a85c); font-family: Georgia, serif; }
.quality-grid h3 { margin: 18px 0 10px; font-size: 1rem; }
.quality-grid p, .quality-sources { margin: 0; color: rgba(244,240,232,.68); line-height: 1.85; }
.quality-sources { margin-top: 20px; font-size: .82rem; }
.quality-sources a, .quality-analysis a, .quality-prose a { color: var(--accent, #f0cf95); }
.quality-analysis { max-width: 900px; }
.quality-footer { display: grid; grid-template-columns: minmax(240px,1.2fr) minmax(260px,1fr); gap: 26px 60px; padding: 40px max(24px, calc((100% - 1160px)/2)); border-top: 1px solid rgba(244,240,232,.14); background: #070707; color: #f4f0e8; }
.quality-footer strong { font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: 1.15rem; }
.quality-footer p { margin: 8px 0 0; color: rgba(244,240,232,.62); line-height: 1.75; }
.quality-footer nav { display: flex; flex-wrap: wrap; align-content: start; gap: 10px 18px; }
.quality-footer a { color: rgba(244,240,232,.82); text-decoration: none; }
.quality-footer a:hover { color: var(--accent, #f0cf95); }
.quality-footer .quality-age { grid-column: 1 / -1; padding-top: 18px; border-top: 1px solid rgba(244,240,232,.1); font-size: .78rem; }
.quality-prose { max-width: 880px; }
.quality-prose section { padding: 32px 0; border-bottom: 1px solid rgba(244,240,232,.14); }
.quality-prose h2 { margin: 0 0 16px; font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: clamp(1.45rem,3vw,2.25rem); }
.quality-prose p, .quality-prose li { color: rgba(244,240,232,.74); line-height: 2; }
.quality-prose li + li { margin-top: 8px; }
@media (max-width: 780px) { .quality-guide { width: min(100% - 32px, 1160px); } .quality-grid, .quality-footer { grid-template-columns: 1fr; } .quality-footer .quality-age { grid-column: auto; } }