:root{--navy:#0b2545;--red:#d83d32;--sub:#526176;--bg:#f7f7f3;--line:#dce1e5;--header:66px}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:86px}body{font-family:"Pretendard Variable",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--navy);line-height:1.7}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}a:focus-visible{outline:3px solid var(--red);outline-offset:4px}.wrap{max-width:1120px;padding:0 28px;margin:auto}
header{position:sticky;top:0;z-index:20;background:rgba(247,247,243,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}.header{min-height:var(--header);display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font-size:20px;font-weight:800;white-space:nowrap}.brand span{color:var(--red)}.header nav{display:flex;gap:24px;font-size:14px;font-weight:600}.skip{position:fixed;top:-100px;left:16px;padding:12px;background:#fff;z-index:100}.skip:focus{top:12px}.crumb{margin:28px 0 20px;font-size:12px;color:var(--sub)}.crumb a:hover{text-decoration:underline}
.city-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:28px}.city-tabs a{font-size:14px;padding:8px 18px;border:1px solid var(--line);border-radius:8px}.city-tabs a[aria-current="page"]{background:var(--navy);color:#fff;border-color:var(--navy)}.city-tabs a:hover{border-color:var(--navy)}
.book-cover{display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:48px;border-bottom:1px solid var(--line);padding:16px 0 48px}.eyebrow{display:block;font-size:11px;letter-spacing:.08em;font-weight:700;color:var(--red);margin-bottom:14px}h1{font-size:clamp(34px,4vw,48px);line-height:1.23;letter-spacing:-.045em}.lead{font-size:20px;line-height:1.55;font-weight:650;letter-spacing:-.025em;margin:18px 0 12px}.intro{font-size:14px;color:var(--sub);max-width:540px}.book-meta{display:flex;flex-wrap:wrap;gap:12px;font-size:12px;margin-top:24px;color:var(--sub)}.book-meta span+span::before{content:"/";padding-right:12px}.button{display:inline-block;margin-top:26px;padding:11px 18px;border-radius:8px;background:var(--navy);color:#fff;font-size:14px;font-weight:650}.book-cover>img{width:100%;height:360px;object-fit:cover;object-position:center 80%;border-radius:16px}
.book-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:52px;padding-top:44px}.contents{position:sticky;top:96px;align-self:start}.contents nav{display:flex;flex-direction:column;border-top:1px solid var(--line)}.contents nav a{display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--line);padding:13px 0;font-size:13px;font-weight:650}.contents nav a:hover{color:var(--red)}.contents nav span{font-size:10px;color:var(--red)}.contents small{margin-left:auto;font-weight:400;color:var(--sub);white-space:nowrap}.contents>p{font-size:12px;color:var(--sub);margin-top:22px}.chapter{margin-bottom:52px;scroll-margin-top:86px}.chapter h2{font-size:27px;line-height:1.3;letter-spacing:-.035em}.chapter-dek{font-size:14px;color:var(--sub);margin:12px 0 24px}.book-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.book-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}.book-card:hover{border-color:#aebcc9}.book-card img{width:100%;height:180px;object-fit:cover}.book-card>div{padding:20px;flex:1;display:flex;flex-direction:column}.book-card h3{font-size:18px;line-height:1.45;letter-spacing:-.025em}.book-card p{font-size:13px;color:var(--sub);margin-top:10px}.read{font-size:12px;font-weight:650;margin-top:auto;padding-top:20px}.empty{grid-column:1/-1;background:#edf1ef;border:1px dashed #c5d0ca;border-radius:12px;padding:24px;font-size:14px}.empty p{color:var(--sub);margin:10px 0 14px}.empty a{font-weight:700}.book-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid var(--line);padding:26px 0 40px;font-size:14px;font-weight:650}
.library-head{padding:24px 0 36px}.shelf-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-bottom:56px}.shelf{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:white}.shelf img{width:100%;height:240px;object-fit:cover;object-position:center 75%}.shelf>div{padding:26px}.shelf h2{font-size:26px;letter-spacing:-.035em}.shelf p{font-size:14px;color:var(--sub);margin-top:10px}
footer{border-top:1px solid var(--line);padding-top:26px!important;padding-bottom:30px!important;font-size:12px;color:var(--sub)}footer a{display:inline-block;margin-right:18px;margin-bottom:12px}
@media(max-width:800px){.book-layout{grid-template-columns:180px minmax(0,1fr);gap:24px}.book-cover{gap:24px}.book-cover>img{height:310px}.book-grid{grid-template-columns:1fr}}
@media(max-width:600px){.wrap{padding:0 20px}.header{gap:10px}.header nav{gap:12px;font-size:11px}.brand{font-size:18px}.crumb{margin-top:20px}.city-tabs a{padding:7px 14px;font-size:13px}.book-cover{grid-template-columns:1fr;gap:24px;padding-top:4px;padding-bottom:28px}h1{font-size:32px}.lead{font-size:18px}.book-cover>img{height:210px}.book-meta{margin-top:18px}.button{margin-top:20px}.book-layout{display:block;padding-top:26px}.contents{position:static;margin-bottom:32px}.contents nav{display:grid;grid-template-columns:1fr 1fr;column-gap:16px}.contents nav a{font-size:12px}.contents>p{display:none}.chapter{margin-bottom:36px}.chapter h2{font-size:25px}.book-card{display:grid;grid-template-columns:100px minmax(0,1fr)}.book-card img{height:100%;min-height:170px}.book-card>div{padding:16px}.book-card h3{font-size:16px}.book-card p{font-size:12px}.read{padding-top:14px}.shelf-grid{grid-template-columns:1fr;gap:18px}.shelf img{height:200px}.shelf>div{padding:22px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}