/* 들목 전자책 판매 페이지 (/ebooks/…) — 2026-10-22 시안
   홈 v7 site.css 위에 얹는다. 색·글꼴은 site.css 변수(--ink 숲 초록, --night, --paper, --serif, --sans)만 쓴다 */
.ebook{background:var(--paper)}
.ebook main{background:var(--paper);color:var(--graphite)}

/* 판매 상태 스위치 */
.ebook[data-sale="off"] .eb-buy__on,.ebook[data-sale="off"] .eb-on-only{display:none!important}
.ebook[data-sale="on"] .eb-buy__off,.ebook[data-sale="on"] .eb-off-only{display:none!important}

/* 머리 */
.eb-hero{background:var(--night);color:#fff;padding:calc(var(--nav-h) + 20px) 0 56px}
.eb-crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:28px}
.eb-crumb a{min-height:32px;display:inline-flex;align-items:center}
.eb-crumb a:hover{color:#fff}
.eb-crumb span{display:inline-flex;align-items:center}
.eb-hero__grid{display:grid;grid-template-columns:1fr;gap:34px}
.eb-cover{width:min(48%,200px);margin:0 auto;perspective:1100px}
.eb-cover img{width:100%;height:auto;aspect-ratio:600/904;object-fit:cover;transform:rotateY(12deg);transform-origin:left center;box-shadow:16px 18px 34px rgba(0,0,0,.5);border-radius:2px 4px 4px 2px}
.eb-series{font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--ink-hi)}
.eb-title{font-family:var(--serif);font-weight:900;font-size:clamp(40px,9vw,64px);line-height:1.1;letter-spacing:-.04em;margin-top:8px}
.eb-sub{font-family:var(--serif);font-weight:500;font-size:19px;margin-top:10px;color:rgba(255,255,255,.9)}
.eb-by{font-size:14px;color:rgba(255,255,255,.66);margin-top:12px}
.eb-quote{margin-top:24px;padding-left:14px;border-left:2px solid var(--ink-hi);font-size:16px;line-height:1.7;color:rgba(255,255,255,.86)}

/* 구매 상자 */
.eb-buy{margin-top:28px;background:#fff;color:var(--graphite);padding:22px 20px 20px;border-radius:4px}
.eb-price{display:flex;align-items:baseline;flex-wrap:wrap;gap:6px 10px;padding-bottom:16px;margin-bottom:16px;border-bottom:1px solid var(--rule)}
.eb-price__label{font-size:13px;color:#5d635f}
.eb-price__num{font-family:var(--serif);font-weight:700;font-size:30px;letter-spacing:-.02em}
.eb-price__fmt{margin-left:auto;font-size:13px;font-weight:600;color:var(--ink)}
.eb-price__rate{font-family:var(--serif);font-weight:700;font-size:26px;color:#a8402b}
.eb-price__list{font-size:14px;color:#6a716d}
.eb-price__why{flex-basis:100%;font-size:13px;color:#4a514d}
.eb-buy__off b{color:var(--graphite)}
.eb-bar__t em{font-style:normal;color:#a8402b;margin-right:2px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.eb-buy__note{margin-top:10px;font-size:13px;line-height:1.6;color:#4a514d}
.eb-buy__off{font-size:14px;line-height:1.6;color:#4a514d;margin-bottom:12px}
.eb-shops{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.ebook[data-sale="on"] .eb-shops{margin-top:14px}
.eb-shop{display:flex;align-items:center;justify-content:center;gap:6px;min-height:48px;padding:0 10px;border:1px solid var(--graphite);border-radius:6px;font-size:14px;font-weight:700;transition:background-color .2s,color .2s}
.eb-shop:hover{background:var(--graphite);color:#fff}
.ebook[data-sale="off"] .eb-shop{background:var(--ink);border-color:var(--ink);color:#fff;min-height:52px}
.ebook[data-sale="off"] .eb-shop:hover{background:#244a37}
.ebook[data-sale="on"] .eb-shop{min-height:44px;font-size:13px;font-weight:600;border-color:var(--rule)}
.ebook[data-sale="on"] .eb-shops::before{content:"서점에서 구매";grid-column:1/-1;font-size:12px;color:#5d635f}

.eb-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:20px}
.eb-facts li{font-size:14px;line-height:1.45;color:rgba(255,255,255,.88);padding-top:10px;border-top:1px solid rgba(255,255,255,.22)}
.eb-facts b{display:block;font-size:12px;font-weight:600;color:rgba(255,255,255,.6);margin-bottom:2px}

/* 본문 칸 */
.eb-sec{padding:56px 0}
.eb-sec--line{border-top:1px solid var(--rule)}
.eb-narrow,.eb-narrow-h{max-width:calc(760px + var(--gut)*2)}
.eb-narrow-h{margin-left:auto;margin-right:auto;padding:0}
.eb-h2{font-family:var(--serif);font-weight:700;font-size:clamp(26px,5vw,34px);line-height:1.25;letter-spacing:-.03em;margin-bottom:22px}
.eb-h3{font-weight:700;font-size:17px;margin:34px 0 14px}
.eb-lead{font-size:16px;color:#4a514d;margin:-10px auto 22px}
.eb-prose p,.eb-prose-1{font-size:17px;line-height:1.85;color:#2f3532}
.eb-prose p+p{margin-top:16px}
.eb-for li{display:grid;gap:2px;padding:14px 0;border-bottom:1px solid var(--rule);font-size:16px;line-height:1.6;color:#3d4440}
.eb-for li:first-child{border-top:2px solid var(--graphite)}
.eb-for b{color:var(--graphite);font-size:16px}
.eb-points{counter-reset:p;display:grid;gap:14px}
.eb-points li{counter-increment:p;position:relative;padding-left:40px;font-size:15px;line-height:1.7;color:#3d4440}
.eb-points li::before{content:counter(p,decimal-leading-zero);position:absolute;left:0;top:0;font-family:var(--serif);font-weight:700;font-size:15px;color:var(--ink)}
.eb-points b{display:block;font-size:16px;color:var(--graphite)}

/* 목차 */
.eb-toc details{border-bottom:1px solid var(--rule)}
.eb-toc details:first-child{border-top:2px solid var(--graphite)}
.eb-toc summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;min-height:56px;padding:12px 30px 12px 0;position:relative;font-weight:700;font-size:16px;line-height:1.45}
.eb-toc summary::-webkit-details-marker{display:none}
.eb-toc summary::after{content:"";position:absolute;right:2px;top:50%;width:14px;height:14px;margin-top:-7px;background:linear-gradient(var(--graphite),var(--graphite)) center/14px 2px no-repeat,linear-gradient(var(--graphite),var(--graphite)) center/2px 14px no-repeat;transition:transform .3s var(--ease)}
.eb-toc details[open] summary::after{transform:rotate(45deg)}
.eb-toc summary span{flex:0 0 58px;font-family:var(--serif);font-size:13px;font-weight:700;color:var(--ink)}
.eb-toc details p{padding:0 0 16px 72px;font-size:15px;line-height:1.8;color:#4a514d}
.eb-toc__foot{margin-top:16px;font-size:13px;line-height:1.7;color:#5d635f}

/* 미리보기 (그림이 하나도 없으면 칸째 숨김) */
.eb-peek-sec:not(:has(.eb-peek img:not([src=""]))){display:none}
.eb-peek{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;max-width:1000px;margin:0 auto}
.eb-peek figure{flex:0 0 72%;scroll-snap-align:start;background:#fff;box-shadow:0 6px 20px rgba(0,0,0,.08)}
.eb-peek img{width:100%;height:auto}
.eb-peek figcaption{padding:10px 12px;font-size:13px;color:#4a514d;border-top:1px solid var(--rule)}
.eb-peek img[src=""]{display:none}
.eb-peek figure:has(img[src=""]){display:none}

/* 저자 */
.eb-also{margin-top:14px;font-size:15px;color:#4a514d}

/* 안내 표 */
.eb-spec div{display:grid;grid-template-columns:88px 1fr;gap:12px;padding:12px 0;border-bottom:1px solid var(--rule);font-size:15px;line-height:1.6}
.eb-spec div:first-child{border-top:2px solid var(--graphite)}
.eb-spec dt{color:#5d635f}
.eb-refund ul{display:grid;gap:8px}
.eb-refund li{position:relative;padding-left:14px;font-size:15px;line-height:1.7;color:#3d4440}
.eb-refund li::before{content:"";position:absolute;left:0;top:.8em;width:5px;height:1px;background:currentColor}
.eb-refund a{text-decoration:underline;text-underline-offset:3px}

.eb-faq{border-top:1px solid var(--rule)}
.eb-faq .wrap{max-width:calc(1000px + var(--gut)*2)}

/* 출판 서비스로 잇는 띠 */
.eb-next{padding:60px 0;color:#fff}
.eb-next__in{text-align:center}
.eb-next__k{font-size:13px;color:var(--ink-hi)}
.eb-next__t{font-family:var(--serif);font-weight:700;font-size:clamp(24px,5vw,34px);line-height:1.3;letter-spacing:-.03em;margin:10px 0 26px}

/* 휴대폰 아래 고정 구매 줄 */
.eb-bar{position:fixed;left:0;right:0;bottom:0;z-index:890;display:flex;align-items:center;gap:12px;padding:10px var(--gut) calc(10px + env(safe-area-inset-bottom));background:#fff;box-shadow:0 -8px 24px rgba(0,0,0,.12);transform:translateY(110%);transition:transform .35s var(--ease)}
.eb-bar.is-on{transform:none}
.eb-bar__t{flex:1;font-size:14px;font-weight:600;color:var(--graphite)}
.eb-bar__t b{margin-left:6px;font-family:var(--serif)}
.eb-bar__btn{min-height:46px;padding:0 20px;font-size:14px}
.ebook .colophon{padding-bottom:calc(96px + env(safe-area-inset-bottom))}

@media (min-width:768px){
  .eb-hero{padding:calc(var(--nav-h) + 28px) 0 80px}
  .eb-hero__grid{grid-template-columns:minmax(220px,340px) 1fr;gap:56px;align-items:start}
  .eb-cover{width:100%;margin:0;position:sticky;top:calc(var(--nav-h) + 28px)}
  .eb-buy{max-width:460px;padding:24px}
  .eb-facts{max-width:460px}
  .eb-sec{padding:72px 0}
  .eb-for li{grid-template-columns:200px 1fr;gap:20px}
  .eb-points{grid-template-columns:1fr 1fr;gap:22px 32px}
  .eb-peek figure{flex-basis:31%}
  .eb-bar{display:none}
  .ebook .colophon{padding-bottom:calc(40px + env(safe-area-inset-bottom))}
}
@media (min-width:1024px){
  .eb-hero__grid{grid-template-columns:360px 1fr;gap:80px}
}
@media (prefers-reduced-motion:reduce){
  .eb-bar{transition:none}
}