/* 「잃지 않는 연습」 출간 전 안내 사이트. 책 색(짙은 청록 #2f5d62, 표지 금색 #c9b27c), 폰 기준 본문 17px. */
:root {
  --ink: #1f2729; --soft: #4f5a5c; --faint: #6b7577; --line: #d6dfdd;
  --accent: #2f5d62; --accent-deep: #22474b; --accent-pale: #e6efed; --accent-mist: #f2f7f6;
  --gold: #c9b27c; --gold-deep: #8a6d2c;
  --warn: #9a4a1c; --warn-pale: #fbefe9; --ok: #2d6a4a; --ok-pale: #e4f1e9;
  --bg: #f7faf9; --surface: #ffffff;
  --serif: "Nanum Myeongjo", "NanumMyeongjo", "AppleMyungjo", "Batang", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Pretendard", "Noto Sans KR", "Malgun Gothic", system-ui, sans-serif;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 16px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.75 var(--sans); word-break: keep-all; overflow-wrap: break-word; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-underline-offset: 3px; }
a:focus-visible, summary:focus-visible { outline: 3px solid #1d6fb8; outline-offset: 3px; }
p { margin: 0 0 12px; }
.soft { color: var(--soft); }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 8px; z-index: 20; background: #fff; padding: 8px 12px; }

/* 머리 */
.site-top { background: var(--accent); color: #f4f1ea; }
.site-top .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 56px; gap: 8px; }
.site-top a { color: #f4f1ea; text-decoration: none; }
.brand { font-weight: 800; letter-spacing: .02em; display: flex; align-items: center; gap: 8px; }
.brand img { width: 26px; height: 26px; }
.site-top nav { display: flex; }
.site-top nav a { font-size: .95rem; padding: 14px 8px; }
.site-top nav a:hover { text-decoration: underline; }

/* 첫 화면 */
.hero { background: linear-gradient(180deg, var(--accent-pale), var(--accent-mist) 70%, var(--bg)); padding: 28px 0 36px; }
.hero .wrap { display: grid; gap: 28px; }
.cover { width: min(58vw, 250px); margin: 0 auto; border-radius: 4px; box-shadow: 0 1px 2px rgba(0,0,0,.14), 0 16px 36px rgba(34,71,75,.30); }
.status { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 10px; padding: 4px 12px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); font-size: .93rem; font-weight: 700; color: var(--accent-deep); }
.status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--gold); }
h1.title { font-family: var(--serif); font-weight: 800; font-size: 2.3rem; line-height: 1.22; margin: 0 0 8px; letter-spacing: -.01em; color: var(--accent-deep); }
.subtitle { font-size: 1.15rem; margin: 0 0 14px; }
.facts { list-style: none; padding: 0; margin: 0 0 18px; display: flex; flex-wrap: wrap; gap: 6px 8px; }
.facts li { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 2px 10px; font-size: .95rem; color: var(--soft); }
.facts li b { color: var(--ink); }
.pitch { font-size: 1.05rem; }
.ctas { display: grid; gap: 10px; margin: 18px 0 10px; }
.btn { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 56px; padding: 8px 16px; border-radius: 12px; background: var(--accent); color: #fff; font-size: 1.08rem; font-weight: 700; text-decoration: none; text-align: center; line-height: 1.35; border: 2px solid var(--accent); }
.btn small { font-weight: 400; font-size: .86rem; opacity: .9; }
.btn:hover { background: var(--accent-deep); border-color: var(--accent-deep); }
.btn.light { background: var(--surface); color: var(--accent-deep); }
.btn.light:hover { background: var(--accent-pale); }
.note-line { font-size: .95rem; color: var(--soft); margin: 4px 0 0; }

/* 구역 */
section.block { padding: 36px 0 8px; }
.kicker { color: var(--gold-deep); font-weight: 800; font-size: .9rem; letter-spacing: .08em; margin: 0 0 4px; }
section.block h2 { font-family: var(--serif); font-weight: 800; font-size: 1.6rem; line-height: 1.35; margin: 0 0 16px; color: var(--accent-deep); }
h3.h { font-size: 1.15rem; margin: 26px 0 10px; }
.lead-q { font-family: var(--serif); font-size: 1.4rem; line-height: 1.5; font-weight: 800; margin: 0 0 16px; }
.prose { max-width: 680px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 18px; }
.rule { width: 56px; height: 4px; background: var(--gold); border: 0; margin: 0 0 18px; border-radius: 2px; }

/* 손해 길목 */
ol.risks { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; counter-reset: r; }
ol.risks li { counter-increment: r; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 14px 14px 14px 56px; position: relative; }
ol.risks li::before { content: counter(r); position: absolute; left: 14px; top: 14px; width: 30px; height: 30px; border-radius: 50%; background: var(--accent-pale); color: var(--accent-deep); font-weight: 800; font-size: .92rem; display: grid; place-items: center; }
.ch { display: inline-block; margin-left: 4px; padding: 0 8px; border-radius: 6px; background: var(--accent-mist); color: var(--accent); font-size: .85rem; font-weight: 700; white-space: nowrap; }

/* 맞는 분 / 맞지 않는 분 */
.two { display: grid; gap: 14px; }
.fit h3 { margin: 0 0 8px; font-size: 1.15rem; display: flex; align-items: center; gap: 8px; }
.fit ul { list-style: none; padding: 0; margin: 0; }
.fit li { padding: 8px 0 8px 30px; position: relative; border-top: 1px solid var(--line); }
.fit li:first-child { border-top: 0; }
.fit li::before { position: absolute; left: 0; top: 8px; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: .8rem; font-weight: 800; }
.fit.yes { background: var(--ok-pale); border-color: #cfe4d7; }
.fit.yes li::before { content: "✓"; background: var(--ok); color: #fff; }
.fit.no { background: var(--warn-pale); border-color: #efd8cc; }
.fit.no li::before { content: "✕"; background: var(--warn); color: #fff; }
.fit li { border-top-color: rgba(0,0,0,.07); }

/* 미리보기 */
.gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.gallery figure { margin: 0; }
.gallery a { display: block; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; text-decoration: none; color: var(--ink); }
.gallery a:hover { border-color: var(--accent); }
.gallery img { aspect-ratio: 1000 / 1414; width: 100%; background: #f1f1ee; }
.gallery figcaption { font-size: .92rem; padding: 8px 10px 10px; line-height: 1.45; }
.gallery figcaption span { display: block; color: var(--faint); font-size: .85rem; }

/* 목차 */
.toc-grid { display: grid; gap: 12px; }
.toc .part { font-family: var(--serif); font-weight: 800; color: var(--accent-deep); font-size: 1.1rem; margin: 0 0 6px; }
.toc ol { list-style: none; padding: 0; margin: 0; }
.toc li { padding: 10px 0; border-top: 1px solid var(--line); }
.toc li:first-child { border-top: 0; }
.toc li b { display: block; font-weight: 700; }
.toc li small { display: block; color: var(--soft); font-size: .93rem; line-height: 1.55; }
.toc.edge { background: var(--accent-mist); }

/* 구성 */
.parts { display: grid; gap: 12px; }
.parts .card h3 { margin: 0 0 4px; font-size: 1.1rem; }
.tag { display: inline-block; font-size: .82rem; font-weight: 700; padding: 1px 8px; border-radius: 6px; margin-left: 6px; vertical-align: 2px; }
.tag.now { background: var(--ok-pale); color: var(--ok); }
.tag.plan { background: #f6eedb; color: var(--gold-deep); }
ul.dots { padding-left: 1.2em; margin: 8px 0 0; } ul.dots li { margin: 6px 0; }

/* 출간 소식 */
.launch { background: var(--accent); color: #f4f1ea; border-radius: 16px; padding: 22px 18px; }
section.block .launch h2 { color: #fff; }
.launch .kicker { color: var(--gold); }
.launch a { color: #fff; }
.launch .ctas .btn { border-color: #fff; }
.launch .ctas .btn:not(.light) { background: #fff; color: var(--accent-deep); }
.launch .ctas .btn.light { background: transparent; color: #fff; }
.launch .ctas .btn.light:hover { background: rgba(255,255,255,.1); }
.launch .blog { background: rgba(255,255,255,.1); border-radius: 10px; padding: 10px 14px; margin: 14px 0 0; }

.disclaim { font-size: .97rem; color: var(--soft); }
.disclaim ul { padding-left: 1.2em; margin: 0; } .disclaim li { margin: 6px 0; }

.site-foot { margin-top: 40px; padding: 24px 0 32px; border-top: 1px solid var(--line); color: var(--soft); font-size: .95rem; }
.site-foot a { display: inline-block; padding: 6px 0; margin-right: 14px; }

/* 안내 화면 (무료 PDF, 404) */
main.page { max-width: 720px; margin: 0 auto; padding: 28px 16px 24px; }
main.page h1 { font-family: var(--serif); font-weight: 800; font-size: 1.8rem; line-height: 1.35; margin: 0 0 12px; color: var(--accent-deep); }
.dl { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 18px; margin: 16px 0; }
.dl h2 { font-size: 1.2rem; margin: 0 0 4px; color: var(--ink); }
.dl .what { color: var(--faint); font-size: .92rem; margin: 0 0 8px; }
.dl ul { padding-left: 1.2em; margin: 0 0 4px; } .dl li { margin: 4px 0; }
.dl .btn { margin-top: 12px; }
.box { border-radius: 14px; padding: 18px; margin: 16px 0; }
.box.tint { background: var(--accent-pale); }
.box.warn { background: var(--warn-pale); }
.box .btn { margin-top: 10px; }

@media (min-width: 760px) {
  body { font-size: 17.5px; }
  .hero { padding: 48px 0 56px; }
  .hero .wrap { grid-template-columns: 300px 1fr; align-items: center; gap: 48px; }
  .cover { width: 100%; }
  h1.title { font-size: 3rem; }
  .ctas { grid-template-columns: 1fr 1fr; max-width: 620px; }
  section.block { padding-top: 52px; }
  section.block h2 { font-size: 1.85rem; }
  ol.risks { grid-template-columns: 1fr 1fr; }
  .two, .toc-grid, .parts { grid-template-columns: 1fr 1fr; }
  .toc.edge { grid-column: 1 / -1; }
  .gallery { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .launch { padding: 32px; }
  .site-top nav a { padding: 14px 12px; }
}
.m0 { margin: 0; }
.mt10 { margin: 10px 0 0; }