.back-link{font-size:12px;font-weight:800;letter-spacing:.055em;transition:color .2s}.back-link:hover{color:var(--accent)}
.sd-hero{padding:95px 0 105px}.sd-hero-grid{display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:clamp(45px,7vw,115px)}.sd-copy h1{font-size:clamp(52px,5.7vw,88px);line-height:1.09;letter-spacing:-.085em;margin:33px 0 30px}.sd-copy h1 em{font-style:normal;color:var(--accent)}.sd-subtitle{font-family:Manrope,sans-serif;font-weight:700;font-size:clamp(22px,2vw,30px);line-height:1.4;letter-spacing:-.045em;max-width:650px;margin-bottom:25px}.sd-intro{font-size:17px;line-height:1.85;color:var(--muted);max-width:620px;margin-bottom:35px}.download-button{min-width:235px}.download-note{font-size:12px;color:var(--muted);margin:16px 0 0}.sd-cover-wrap{position:relative;padding:23px 23px 42px;background:#ecebe6}.sd-cover{display:block;width:100%;height:auto;aspect-ratio:1/1;object-fit:cover;box-shadow:21px 24px 0 #dad8d1}.cover-caption{position:absolute;bottom:13px;left:23px;font-size:10px;font-weight:800;letter-spacing:.12em;color:var(--muted)}.sd-detail{background:#ecebe6}.sd-detail-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:80px}.sd-detail .section-title{font-size:clamp(44px,4.5vw,68px)}.sd-detail-copy{padding-top:16px}.sd-detail-copy p{font-size:18px;line-height:1.8;color:#444742;margin-bottom:22px}.sd-detail-copy .inline-arrow{border-bottom:1px solid var(--ink);padding-bottom:12px;margin-top:12px}.sd-author{background:#222722;color:#fff;padding:85px 0}.sd-author-inner{display:flex;align-items:center;justify-content:space-between;gap:65px}.sd-author h2{font-size:clamp(37px,4vw,60px);letter-spacing:-.07em;margin:18px 0}.sd-author p{max-width:690px;color:#d6dbd4;font-size:17px;line-height:1.75;margin:0}.sd-author .button{flex-shrink:0}
@media(max-width:900px){.sd-hero-grid{gap:35px}.sd-hero{padding:65px 0}.sd-copy h1{font-size:clamp(47px,6vw,70px)}.sd-detail-grid{gap:40px}}@media(max-width:760px){.sd-hero{padding:48px 0 70px}.sd-hero-grid,.sd-detail-grid{grid-template-columns:1fr}.sd-copy h1{font-size:clamp(44px,10vw,70px);margin:24px 0}.sd-subtitle{font-size:23px}.sd-intro{font-size:16px}.sd-cover-wrap{max-width:570px;margin:10px auto 0;width:100%}.sd-detail-copy{padding-top:0}.sd-author{padding:65px 0}.sd-author-inner{align-items:flex-start;flex-direction:column;gap:28px}.back-link{font-size:11px}}