/* 쏙북 사이트(메인, 책 소개, 장바구니, 고객센터…). 책 만들기 화면과 같은 색과 글꼴.
   책 만들기 화면에도 머리글(.sk-top)이 들어가므로, 거기서 쓰는 모양은 모두 .sk- 로 시작한다. */
:root{
  --sk-paper:#FBF7EE; --sk-paper-2:#F4EEE1; --sk-surface:#FFFFFF; --sk-ink:#22302A; --sk-ink-2:#5B6660; --sk-line:#E6DECD;
  --sk-accent:#F2B632; --sk-accent-2:#FFD36B; --sk-accent-ink:#3A2A00; --sk-mat:#2F6B57; --sk-mat-ink:#E4EFE9; --sk-coral:#D9542C;
  --sk-sky:#CFE6F6; --sk-mat-text:#2F6B57; --sk-shadow:0 12px 28px rgba(60,44,20,.14); --sk-shadow-sm:0 4px 12px rgba(60,44,20,.10);
  --sk-display:"Jua","Apple SD Gothic Neo","Malgun Gothic",sans-serif; --sk-body:"Gowun Dodum","Apple SD Gothic Neo","Malgun Gothic",sans-serif;
  --sk-radius:14px; --sk-focus:#1E64C8;
}
@media (prefers-color-scheme:dark){
  :root{--sk-paper:#15191A;--sk-paper-2:#1C2221;--sk-surface:#212927;--sk-ink:#ECEFEA;--sk-ink-2:#A9B4AE;--sk-line:#34403B;
        --sk-mat:#1E4A3C;--sk-mat-text:#8FD3B5;--sk-coral:#F08A63;--sk-sky:#243845;--sk-shadow:0 12px 28px rgba(0,0,0,.45);--sk-shadow-sm:0 4px 12px rgba(0,0,0,.35);--sk-focus:#7FB0F5}
}
.sk-page{margin:0;background:var(--sk-paper);color:var(--sk-ink);font-family:var(--sk-body);font-size:16px;line-height:1.65;
  -webkit-text-size-adjust:100%;overflow-x:hidden}
.sk-page *,.sk-top *{box-sizing:border-box}
.sk-page [hidden]{display:none!important}
.sk-page img,.sk-page video{max-width:100%;display:block}
.sk-page a{color:inherit}
.sk-page :focus-visible,.sk-top :focus-visible{outline:3px solid var(--sk-focus);outline-offset:2px;border-radius:6px}
.sk-wrap{max-width:1160px;margin:0 auto;padding:0 16px}
.sk-skip{position:absolute;left:-999px;top:0}.sk-skip:focus{left:12px;top:12px;z-index:100;background:var(--sk-surface);padding:8px 12px}

/* ---------- header ---------- */
.sk-top{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--sk-paper) 88%,transparent);backdrop-filter:saturate(1.2) blur(10px);
  -webkit-backdrop-filter:saturate(1.2) blur(10px);border-bottom:1px solid var(--sk-line);font-family:var(--sk-body);color:var(--sk-ink)}
body:not(.sk-page){margin:0}
body:not(.sk-page) .sk-top{margin:0 -16px}
.sk-top .sk-wrap{display:flex;align-items:center;gap:18px;height:62px}
.sk-logo{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--sk-ink);font-family:var(--sk-display);font-size:25px;line-height:1;white-space:nowrap}
.sk-logo img{width:34px;height:34px;border-radius:9px}
.sk-nav{display:flex;gap:4px;flex:1;min-width:0}
.sk-nav a,.sk-acts a,.sk-acts button{font:inherit;font-size:15px;color:var(--sk-ink);text-decoration:none;padding:8px 11px;border-radius:9px;
  background:none;border:0;cursor:pointer;white-space:nowrap}
.sk-nav a:hover,.sk-acts a:hover{background:var(--sk-paper-2)}
.sk-nav a[aria-current="page"]{background:var(--sk-paper-2);font-weight:700}
.sk-acts{display:flex;align-items:center;gap:4px;margin-left:auto}
.sk-acts .sk-make{background:var(--sk-accent);color:var(--sk-accent-ink);font-weight:700;padding:8px 14px}
.sk-acts .sk-make:hover{background:var(--sk-accent-2)}
.sk-cartlink{position:relative;display:inline-flex!important;align-items:center;gap:6px}
.sk-cartlink svg{width:22px;height:22px}
.sk-badge{position:absolute;top:1px;right:1px;min-width:18px;height:18px;border-radius:9px;background:var(--sk-coral);color:#fff;font-size:11px;
  line-height:18px;text-align:center;padding:0 5px;font-weight:700}
.sk-badge[hidden]{display:none}
.sk-menu-btn{display:none!important}
.sk-drawer{display:none}
@media (max-width:920px){
  .sk-nav{display:none}.sk-acts .sk-hide-m{display:none}.sk-menu-btn{display:inline-flex!important}
  .sk-drawer{display:block;position:fixed;inset:62px 0 auto 0;background:var(--sk-paper);border-bottom:1px solid var(--sk-line);
    box-shadow:var(--sk-shadow);padding:10px 16px 18px;transform:translateY(-8px);opacity:0;visibility:hidden;transition:.18s ease;z-index:39}
  .sk-drawer.open{transform:none;opacity:1;visibility:visible}
  .sk-drawer a{display:block;padding:13px 6px;border-bottom:1px solid var(--sk-line);font-size:17px;text-decoration:none;color:var(--sk-ink)}
  .sk-drawer a:last-child{border-bottom:0}
}
@media (max-width:420px){.sk-acts .sk-make{padding:8px 10px;font-size:14px}.sk-logo{font-size:22px}}

/* ---------- type, buttons ---------- */
.sk-page h1,.sk-page h2,.sk-page h3{font-family:var(--sk-display);font-weight:400;line-height:1.2;margin:0;text-wrap:balance;letter-spacing:-.01em}
.sk-page h1{font-size:clamp(34px,6vw,58px)}
.sk-page h2{font-size:clamp(26px,4vw,38px)}
.sk-page h3{font-size:21px}
.sk-eyebrow{display:inline-block;font-size:14px;color:var(--sk-mat-text);background:color-mix(in srgb,var(--sk-mat) 10%,transparent);
  border-radius:999px;padding:3px 12px;margin-bottom:12px}
.sk-lead{font-size:18px;color:var(--sk-ink-2);margin:14px 0 0;max-width:34em}
.sk-muted{color:var(--sk-ink-2)}
.sk-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-weight:700;font-size:16px;text-decoration:none;
  border-radius:12px;padding:13px 22px;border:2px solid var(--sk-ink);background:var(--sk-surface);color:var(--sk-ink);cursor:pointer;
  transition:transform .12s ease,box-shadow .12s ease;box-shadow:3px 3px 0 var(--sk-ink)}
.sk-btn:hover{transform:translate(-1px,-1px);box-shadow:4px 4px 0 var(--sk-ink)}
.sk-btn:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--sk-ink)}
.sk-btn.primary{background:var(--sk-accent);color:var(--sk-accent-ink);border-color:#3A2A00;box-shadow:3px 3px 0 #3A2A00}
.sk-btn.big{font-size:18px;padding:16px 28px;border-radius:14px}
.sk-btn.small{font-size:14px;padding:8px 13px;box-shadow:2px 2px 0 var(--sk-ink)}
.sk-btn.plain{border-color:var(--sk-line);box-shadow:none;font-weight:600}
.sk-btn.plain:hover{background:var(--sk-paper-2);transform:none}
.sk-btn[disabled]{opacity:.55;cursor:default;transform:none}
.sk-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;align-items:center}
.sk-note{font-size:14px;color:var(--sk-ink-2)}

/* ---------- sections ---------- */
.sk-section{padding:72px 0}
.sk-section.alt{background:var(--sk-paper-2)}
.sk-section.tight{padding:40px 0}
.sk-head{max-width:720px;margin:0 0 30px}
.sk-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sk-head p{color:var(--sk-ink-2);margin:12px 0 0;font-size:17px}
@media (max-width:640px){.sk-section{padding:52px 0}}

/* ---------- the owner's notice line (/admin/site) ---------- */
.sk-notice{background:var(--sk-mat);color:#fff;text-align:center;font-size:14px;line-height:1.45;padding:8px 16px;font-family:var(--sk-body)}
.sk-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- hero: type the child's name, see it on the cover ---------- */
.sk-hero{position:relative;overflow:hidden;padding:50px 0 80px;
  background:radial-gradient(900px 420px at 88% 8%,color-mix(in srgb,var(--sk-accent) 26%,transparent),transparent 70%),
             radial-gradient(700px 380px at 0% 100%,color-mix(in srgb,var(--sk-mat) 14%,transparent),transparent 70%)}
.sk-hero .sk-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.sk-hero h1 em{font-style:normal;color:var(--sk-coral)}
.sk-hero-book{display:grid;justify-items:center;gap:10px;min-width:0}
.sk-nameform{display:flex;gap:10px;margin-top:26px;max-width:540px}
.sk-namefield{flex:1;min-width:0}
.sk-namefield input{width:100%;height:60px;font:inherit;font-size:20px;padding:0 18px;border:2px solid var(--sk-ink);border-radius:14px;
  background:var(--sk-surface);color:var(--sk-ink);box-shadow:3px 3px 0 var(--sk-ink)}
.sk-namefield input::placeholder{color:color-mix(in srgb,var(--sk-ink-2) 75%,transparent)}
.sk-namefield input:focus{outline:none;border-color:var(--sk-mat);box-shadow:3px 3px 0 var(--sk-mat)}
.sk-nameform .sk-btn{height:60px;white-space:nowrap}
.sk-namehint{font-size:14px;color:var(--sk-ink-2);margin:10px 0 0}
.sk-namehint.err{color:var(--sk-coral);font-weight:700}
.sk-assure{list-style:none;padding:0;margin:18px 0 0;display:flex;flex-wrap:wrap;gap:8px 18px;font-size:15px}
.sk-assure li{display:flex;align-items:center;gap:6px}
.sk-assure svg{width:18px;height:18px;color:var(--sk-mat-text)}
.sk-pick-cap{margin:4px 0 0;display:flex;gap:12px;align-items:baseline;flex-wrap:wrap;justify-content:center;font-size:15px}
.sk-pick-cap b{font-family:var(--sk-display);font-weight:400;font-size:21px}
.sk-pick-cap a{color:var(--sk-mat-text);text-decoration:none;font-weight:700;white-space:nowrap}
.sk-pick{display:flex;gap:10px;overflow-x:auto;max-width:100%;padding:6px 6px 10px;scrollbar-width:thin}
.sk-pickb{flex:0 0 auto;width:60px;height:60px;padding:0;border:2.5px solid transparent;border-radius:10px;overflow:hidden;cursor:pointer;
  background:var(--sk-paper-2);box-shadow:var(--sk-shadow-sm);transition:transform .12s ease}
.sk-pickb img{width:100%;height:100%;object-fit:cover}
.sk-pickb:hover{transform:translateY(-2px)}
.sk-pickb[aria-pressed="true"]{border-color:var(--sk-accent);transform:translateY(-3px)}
@media (max-width:860px){
  .sk-hero{padding:28px 0 60px}
  .sk-hero .sk-wrap{display:flex;flex-direction:column;align-items:stretch;gap:0}
  .sk-hero-copy{display:contents}
  .sk-hero-copy>.sk-eyebrow{order:1;align-self:flex-start}.sk-hero h1{order:2}.sk-hero .sk-lead{order:3}
  .sk-nameform{order:4;max-width:none}.sk-namehint{order:5}.sk-hero-book{order:6;margin-top:18px}.sk-assure{order:7;justify-content:center}
}
@media (max-width:520px){.sk-nameform{flex-direction:column}.sk-nameform .sk-btn{width:100%}}

/* ---------- a cover with the visitor's name written on it (service/site.py live_cover) ---------- */
.sk-live{position:relative}
.sk-live img{display:block;width:100%;height:100%;object-fit:cover}
.sk-live-t{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible}
.sk-live-t text{transition:opacity .28s ease}
.sk-live-t.fade text,.sk-live-t.fade .sk-hl{opacity:0}
.sk-hl{transition:opacity .28s ease}
.sk-hl rect{fill:#FFD640;opacity:.78;transform-box:fill-box;transform-origin:left center;animation:skSwipe .5s cubic-bezier(.3,.7,.3,1) .12s both}
@keyframes skSwipe{from{transform:scaleX(0)}to{transform:scaleX(1)}}
@media (prefers-reduced-motion:reduce){.sk-hl rect{animation:none}}

/* ---------- media ---------- */
.sk-video{position:relative;border-radius:18px;overflow:hidden;background:var(--sk-paper-2);box-shadow:var(--sk-shadow);aspect-ratio:1/1;
  border:3px solid var(--sk-surface)}
.sk-video video,.sk-video img{width:100%;height:100%;object-fit:cover}
.sk-video .sk-play{position:absolute;right:12px;bottom:12px;width:44px;height:44px;border-radius:50%;border:0;background:rgba(0,0,0,.55);
  color:#fff;cursor:pointer;display:grid;place-items:center}
.sk-video .sk-play svg{width:18px;height:18px}
.sk-video .sk-play[hidden]{display:none}
.sk-cover{position:relative;border-radius:4px 10px 10px 4px;overflow:hidden;box-shadow:var(--sk-shadow-sm);background:var(--sk-paper-2);aspect-ratio:1/1}
.sk-cover img{width:100%;height:100%;object-fit:cover}
.sk-cover::before{content:"";position:absolute;left:0;top:0;bottom:0;width:7%;z-index:1;
  background:linear-gradient(90deg,rgba(0,0,0,.18),rgba(255,255,255,.14) 35%,rgba(0,0,0,.06) 70%,transparent)}
.sk-spread{position:relative;border-radius:10px;overflow:hidden;box-shadow:var(--sk-shadow);aspect-ratio:2/1;background:var(--sk-paper-2)}
.sk-spread img{width:100%;height:100%;object-fit:cover}
.sk-spread::after{content:"";position:absolute;top:0;bottom:0;left:calc(50% - 22px);width:44px;
  background:linear-gradient(90deg,transparent,rgba(40,28,18,.20) 45%,rgba(40,28,18,.26) 50%,rgba(40,28,18,.20) 55%,transparent)}
.sk-page-img{border-radius:8px;overflow:hidden;box-shadow:var(--sk-shadow-sm);aspect-ratio:1/1;background:var(--sk-paper-2)}
.sk-page-img img{width:100%;height:100%;object-fit:cover}

/* ---------- facts strip ---------- */
.sk-facts{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:-34px;position:relative;z-index:2}
.sk-fact{background:var(--sk-surface);border:1px solid var(--sk-line);border-radius:var(--sk-radius);padding:16px 16px 14px;box-shadow:var(--sk-shadow-sm)}
.sk-fact b{font-family:var(--sk-display);font-weight:400;font-size:19px;display:block}
.sk-fact span{font-size:14px;color:var(--sk-ink-2)}
.sk-fact svg{width:26px;height:26px;color:var(--sk-mat-text);margin-bottom:6px}
@media (max-width:760px){.sk-facts{grid-template-columns:1fr 1fr}}

/* ---------- two columns with media ---------- */
.sk-duo{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.sk-duo.flip>:first-child{order:2}
@media (max-width:860px){.sk-duo{grid-template-columns:1fr;gap:28px}.sk-duo.flip>:first-child{order:0}}
.sk-checks{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:12px}
.sk-checks li{display:flex;gap:12px;align-items:flex-start}
.sk-checks li::before{content:"";flex:0 0 26px;height:26px;border-radius:50%;margin-top:1px;
  background:var(--sk-accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%233A2A00' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4 8-9'/%3E%3C/svg%3E") center/16px no-repeat}
.sk-checks b{font-weight:700}

/* ---------- the shelf ---------- */
.sk-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 22px}
.sk-tab{font:inherit;font-size:15px;border:1.5px solid var(--sk-line);background:var(--sk-surface);color:var(--sk-ink);border-radius:999px;
  padding:7px 15px;cursor:pointer}
.sk-tab[aria-pressed="true"]{background:var(--sk-ink);color:var(--sk-paper);border-color:var(--sk-ink)}
.sk-shelf{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:26px 20px}
@media (max-width:980px){.sk-shelf{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:640px){.sk-shelf{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 14px}}
.sk-card{display:flex;flex-direction:column;gap:10px;text-decoration:none;color:inherit;position:relative}
.sk-card .sk-cover{transition:transform .18s ease,box-shadow .18s ease}
.sk-card:hover .sk-cover{transform:translateY(-4px) rotate(-.6deg);box-shadow:var(--sk-shadow)}
.sk-card h3{font-size:19px}
.sk-card p{margin:0;font-size:14px;color:var(--sk-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.sk-card .sk-tag{display:inline-block;vertical-align:3px;margin-left:4px;background:var(--sk-coral);color:#fff;font-family:var(--sk-body);font-size:12px;font-weight:700;
  border-radius:999px;padding:2px 9px;white-space:nowrap}
.sk-price{font-weight:700}

/* ---------- steps ---------- */
.sk-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:step}
@media (max-width:860px){.sk-steps{grid-template-columns:1fr}}
.sk-step{background:var(--sk-surface);border:1px solid var(--sk-line);border-radius:var(--sk-radius);overflow:hidden;box-shadow:var(--sk-shadow-sm)}
.sk-step .sk-step-img{aspect-ratio:4/3;overflow:hidden;background:var(--sk-sky)}
.sk-step .sk-step-img img{width:100%;height:100%;object-fit:cover}
/* step 2: three whole pages fanned out, like flipping through the book */
.sk-step .sk-step-img.fan{position:relative;background:var(--sk-paper-2)}
.sk-step .sk-step-img.fan img{position:absolute;top:50%;left:50%;width:auto;height:72%;aspect-ratio:1;border-radius:5px;
  box-shadow:0 8px 18px rgba(60,44,20,.24);background:#fff}
.sk-step .sk-step-img.fan img:nth-child(1){transform:translate(-86%,-47%) rotate(-8deg)}
.sk-step .sk-step-img.fan img:nth-child(2){transform:translate(-14%,-47%) rotate(8deg)}
.sk-step .sk-step-img.fan img:nth-child(3){transform:translate(-50%,-53%)}
.sk-step div.t{padding:18px 20px 20px}
.sk-step h3{display:flex;gap:10px;align-items:center}
.sk-step h3::before{counter-increment:step;content:counter(step);flex:0 0 32px;height:32px;border-radius:50%;background:var(--sk-accent);
  color:var(--sk-accent-ink);display:grid;place-items:center;font-size:18px}
.sk-step p{margin:8px 0 0;color:var(--sk-ink-2);font-size:15px}

/* ---------- mock book (3D) ---------- */
.sk-book3d{perspective:1400px;display:grid;place-items:center;padding:20px 0}
.sk-book3d .b{position:relative;width:min(300px,70vw);aspect-ratio:1/1;transform:rotateY(-24deg) rotateX(6deg);transform-style:preserve-3d;
  box-shadow:24px 26px 38px rgba(40,28,18,.28);border-radius:3px 8px 8px 3px}
.sk-book3d .b img{width:100%;height:100%;object-fit:cover;border-radius:3px 8px 8px 3px}
.sk-book3d .b::before{content:"";position:absolute;top:2%;bottom:2%;right:-16px;width:16px;transform:rotateY(90deg);transform-origin:left;
  background:repeating-linear-gradient(90deg,#FFFDF6 0 2px,#E9E2D2 2px 3px)}
.sk-book3d .b::after{content:"";position:absolute;inset:0;border-radius:3px 8px 8px 3px;pointer-events:none;
  background:linear-gradient(90deg,rgba(0,0,0,.22),rgba(255,255,255,.16) 5%,transparent 10%,transparent 85%,rgba(255,255,255,.12))}
.sk-book3d .b .sk-live{width:100%;height:100%;border-radius:3px 8px 8px 3px;overflow:hidden}
.sk-book3d.hero{padding:8px 0 6px}
.sk-book3d.hero .b{width:min(420px,78vw);transform:rotateY(-15deg) rotateX(5deg)}
@media (max-width:860px){.sk-book3d.hero .b{width:min(330px,74vw)}}

.sk-trustline{display:block;margin-top:6px;font-size:13px;color:var(--sk-mat-text)}

/* ---------- the book as it arrives: open-book picture and what is in the box ---------- */
.sk-product{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.sk-product>*{min-width:0}
@media (max-width:900px){.sk-product{grid-template-columns:1fr;gap:22px}}
.sk-product-pic img,.sk-mock img{width:100%;height:auto;display:block}
.sk-mock{display:block;margin:0 -2%}
.sk-spec{display:grid;grid-template-columns:auto 1fr;gap:10px 18px;margin:22px 0 10px;font-size:15.5px}
.sk-spec dt{color:var(--sk-ink-2);white-space:nowrap}
.sk-spec dd{margin:0}
.sk-feature{padding:0;overflow:hidden}
.sk-feature h3{margin:18px 22px 0}
.sk-feature p{margin:8px 22px 22px}
.sk-card-pic{aspect-ratio:16/10;background:var(--sk-paper-2);display:flex;align-items:center;justify-content:center;gap:10px;overflow:hidden}
.sk-card-pic img{width:100%;height:100%;object-fit:cover}
.sk-card-pic.page img,.sk-card-pic.pair img{width:auto;height:84%;aspect-ratio:1/1;border-radius:4px;box-shadow:var(--sk-shadow-sm)}
.sk-card-pic.pair img.left{object-position:0 50%}
.sk-card-pic .arrow{font-family:var(--sk-display);font-size:38px;color:var(--sk-coral);line-height:1}

/* ---------- promises ---------- */
.sk-promises{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
@media (max-width:900px){.sk-promises{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.sk-promises{grid-template-columns:1fr}}
.sk-promise{background:var(--sk-surface);border:1px solid var(--sk-line);border-radius:var(--sk-radius);padding:22px;box-shadow:var(--sk-shadow-sm)}
.sk-promise svg{width:30px;height:30px;color:var(--sk-mat-text);padding:8px;border-radius:12px;box-sizing:content-box;
  background:color-mix(in srgb,var(--sk-mat) 11%,transparent)}
.sk-promise h3{font-size:20px;margin:14px 0 6px}
.sk-promise p{margin:0;color:var(--sk-ink-2);font-size:15px}
.sk-mini{list-style:none;padding:0;margin:16px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:8px 12px;font-size:14px}
.sk-mini li{display:flex;gap:6px;align-items:center}
.sk-mini svg{width:16px;height:16px;flex:0 0 16px;color:var(--sk-mat-text)}

/* ---------- the owner's own words and photos (/admin/site) ---------- */
.sk-letter{max-width:720px;margin:0 auto;background:var(--sk-surface);border:1px solid var(--sk-line);border-radius:18px;padding:34px 36px;
  box-shadow:var(--sk-shadow-sm);font-size:17px;line-height:1.85}
.sk-letter p{margin:0 0 12px}
.sk-letter .sign{text-align:right;font-family:var(--sk-display);font-size:19px;margin-top:18px}
@media (max-width:560px){.sk-letter{padding:26px 22px}}
.sk-photos{columns:3 260px;column-gap:16px}
.sk-photos figure{margin:0 0 16px;break-inside:avoid;background:var(--sk-surface);border-radius:14px;overflow:hidden;box-shadow:var(--sk-shadow-sm)}
.sk-photos img{width:100%;height:auto}
.sk-photos figcaption{padding:10px 14px;font-size:14px;color:var(--sk-ink-2)}

/* ---------- the make-a-book bar at the bottom of phones ---------- */
.sk-sticky{position:fixed;left:0;right:0;bottom:0;z-index:45;display:none;align-items:center;gap:12px;justify-content:space-between;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:color-mix(in srgb,var(--sk-paper) 94%,transparent);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-top:1px solid var(--sk-line);box-shadow:0 -6px 20px rgba(60,44,20,.12);
  transform:translateY(110%);transition:transform .22s ease;font-family:var(--sk-body)}
.sk-sticky div{display:grid;line-height:1.3;min-width:0}
.sk-sticky b{font-family:var(--sk-display);font-weight:400;font-size:17px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sk-sticky span{font-size:13px;color:var(--sk-ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sk-sticky .sk-btn{padding:11px 16px;font-size:15px;flex:0 0 auto;box-shadow:2px 2px 0 #3A2A00}
.sk-sticky.show{transform:none}
@media (max-width:760px){.sk-sticky{display:flex}.has-sticky .sk-foot{padding-bottom:96px}}

/* ---------- reviews ---------- */
.sk-stars{color:#F2A900;letter-spacing:2px;font-size:17px;white-space:nowrap}
.sk-stars .off{color:var(--sk-line)}
.sk-reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
@media (max-width:900px){.sk-reviews{grid-template-columns:1fr}}
.sk-review{background:var(--sk-surface);border:1px solid var(--sk-line);border-radius:var(--sk-radius);padding:18px 20px;display:flex;flex-direction:column;gap:10px}
.sk-review p{margin:0;white-space:pre-line}
.sk-review .who{font-size:13px;color:var(--sk-ink-2);display:flex;gap:8px;flex-wrap:wrap}
.sk-review img{border-radius:10px;aspect-ratio:4/3;object-fit:cover;width:100%}
.sk-empty{background:var(--sk-surface);border:2px dashed var(--sk-line);border-radius:var(--sk-radius);padding:30px 24px;text-align:center}
.sk-empty h3{margin-bottom:8px}
.sk-empty p{margin:0 auto;max-width:34em;color:var(--sk-ink-2)}

/* ---------- faq ---------- */
.sk-faq{display:grid;gap:10px;max-width:860px}
.sk-faq details{background:var(--sk-surface);border:1px solid var(--sk-line);border-radius:12px;padding:0 18px}
.sk-faq summary{cursor:pointer;list-style:none;padding:16px 28px 16px 0;font-weight:700;position:relative}
.sk-faq summary::-webkit-details-marker{display:none}
.sk-faq summary::after{content:"+";position:absolute;right:2px;top:12px;font-size:22px;font-weight:400;color:var(--sk-ink-2)}
.sk-faq details[open] summary::after{content:"–"}
.sk-faq details>div{padding:0 0 16px;color:var(--sk-ink-2)}
.sk-faq details>div p{margin:0 0 8px}
.sk-faq h3{margin:28px 0 12px;font-size:20px}

/* ---------- call to action band (the builder's cutting mat) ---------- */
.sk-band{background-color:var(--sk-mat);color:var(--sk-mat-ink);border-radius:22px;padding:46px 32px;text-align:center;position:relative;overflow:hidden;
  background-image:linear-gradient(rgba(255,255,255,.14) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.14) 1px,transparent 1px),
  linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:120px 120px,120px 120px,24px 24px,24px 24px}
.sk-band h2{color:#fff}
.sk-band p{margin:12px auto 0;max-width:32em}
.sk-band .sk-btns{justify-content:center}

/* ---------- book page ---------- */
.sk-crumb{font-size:14px;color:var(--sk-ink-2);margin:22px 0 14px}.sk-crumb a{color:inherit}
.sk-detail{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
@media (max-width:900px){.sk-detail{grid-template-columns:1fr;gap:26px}}
.sk-gallery{display:grid;gap:12px;min-width:0}
.sk-main{position:relative;border-radius:4px 10px 10px 4px;overflow:hidden;box-shadow:var(--sk-shadow);aspect-ratio:1/1;background:var(--sk-paper-2)}
.sk-main .sk-live{width:100%;height:100%}
.sk-main.is-cover::before{content:"";position:absolute;left:0;top:0;bottom:0;width:6%;z-index:1;pointer-events:none;
  background:linear-gradient(90deg,rgba(0,0,0,.18),rgba(255,255,255,.14) 35%,rgba(0,0,0,.06) 70%,transparent)}
.sk-main:not(.is-cover) .sk-live-t{display:none}
.sk-main.is-spread{aspect-ratio:auto;box-shadow:none;background:none;border-radius:0;overflow:visible;margin:0 -2%}
.sk-main.is-spread img{height:auto;object-fit:contain}
.sk-buyname{margin-top:18px}
.sk-buyname input{font-size:18px}
.sk-arrive{display:flex;gap:10px;align-items:flex-start;margin:14px 0 0;font-size:15px;border-radius:12px;padding:10px 12px;
  background:color-mix(in srgb,var(--sk-mat) 8%,transparent)}
.sk-arrive svg{width:22px;height:22px;flex:0 0 22px;color:var(--sk-mat-text);margin-top:1px}
.sk-thumbs{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(0,1fr);gap:8px}
.sk-thumbs button{padding:0;border:2px solid transparent;border-radius:8px;overflow:hidden;cursor:pointer;background:none;aspect-ratio:1/1}
.sk-thumbs button[aria-pressed="true"]{border-color:var(--sk-accent)}
.sk-thumbs img{width:100%;height:100%;object-fit:cover}
.sk-buy{position:sticky;top:82px;background:var(--sk-surface);border:1px solid var(--sk-line);border-radius:18px;padding:24px;box-shadow:var(--sk-shadow-sm)}
.sk-buy h1{font-size:clamp(30px,4vw,40px)}
.sk-buy .sk-lead{font-size:17px}
.sk-opts{display:grid;gap:8px;margin:18px 0 6px}
.sk-opt{display:flex;justify-content:space-between;gap:12px;border:1.5px solid var(--sk-line);border-radius:12px;padding:12px 14px}
.sk-opt b{font-weight:700}
.sk-kv{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:14px;margin:16px 0 0}
.sk-kv dt{color:var(--sk-ink-2)}.sk-kv dd{margin:0}
.sk-feat{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:760px){.sk-feat{grid-template-columns:1fr}}
.sk-feat div{background:var(--sk-surface);border:1px solid var(--sk-line);border-radius:var(--sk-radius);padding:18px}
.sk-pages{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
@media (max-width:640px){.sk-pages{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* ---------- forms ---------- */
.sk-form{display:grid;gap:14px;max-width:640px}
.sk-field{display:grid;gap:6px;font-size:15px}
.sk-field>span{font-weight:700}
.sk-field input,.sk-field select,.sk-field textarea{font:inherit;font-size:16px;color:var(--sk-ink);background:var(--sk-surface);border:1.5px solid var(--sk-line);
  border-radius:10px;padding:11px 12px;width:100%}
.sk-field textarea{min-height:150px;resize:vertical}
.sk-field input:focus,.sk-field select:focus,.sk-field textarea:focus{border-color:var(--sk-mat);outline:none;box-shadow:0 0 0 3px color-mix(in srgb,var(--sk-mat) 22%,transparent)}
.sk-two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:560px){.sk-two{grid-template-columns:1fr}}
.sk-chk{display:flex;gap:10px;align-items:flex-start;font-size:15px}
.sk-chk input{width:20px;height:20px;margin-top:3px;flex:0 0 20px;accent-color:var(--sk-mat)}
.sk-err{color:var(--sk-coral);font-weight:700}
.sk-ok{color:var(--sk-mat);font-weight:700}
.sk-hp{position:absolute;left:-5000px}
.sk-panel{background:var(--sk-surface);border:1px solid var(--sk-line);border-radius:18px;padding:24px;box-shadow:var(--sk-shadow-sm)}
.sk-panel+.sk-panel{margin-top:18px}
.sk-panel h2{font-size:24px;margin-bottom:10px}
.sk-grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.sk-grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
@media (max-width:860px){.sk-grid2,.sk-grid3{grid-template-columns:1fr}}
.sk-contact{display:flex;flex-direction:column;gap:8px}
.sk-contact .big{font-family:var(--sk-display);font-size:24px}

/* ---------- login ---------- */
.sk-login{max-width:420px;margin:48px auto;text-align:center}
.sk-login .sk-panel{text-align:left}
.sk-social{display:grid;gap:10px;margin-top:18px}
.sk-social a,.sk-social button{display:flex;align-items:center;justify-content:center;gap:10px;height:50px;border-radius:12px;font:inherit;
  font-size:16px;font-weight:700;text-decoration:none;cursor:pointer;border:0;width:100%}
.sk-social svg{width:22px;height:22px;flex:0 0 22px}
.sk-kakao{background:#FEE500;color:rgba(0,0,0,.85)!important}
.sk-naver{background:#03C75A;color:#fff!important}
.sk-google{background:#fff;color:#3C4043!important;border:1px solid #DADCE0!important}
.sk-test{background:var(--sk-paper-2);color:var(--sk-ink)!important;border:1.5px dashed var(--sk-line)!important}

/* ---------- cart, checkout ---------- */
.sk-cartgrid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:28px;align-items:start}
.sk-cartgrid>*{min-width:0}
@media (max-width:900px){.sk-cartgrid{grid-template-columns:1fr}}
.sk-item{display:grid;grid-template-columns:120px minmax(0,1fr);gap:18px;background:var(--sk-surface);border:1px solid var(--sk-line);border-radius:16px;padding:16px}
.sk-item+.sk-item{margin-top:14px}
.sk-item .sk-cover{width:120px}
.sk-item .face{position:absolute;right:-6px;bottom:-6px;width:54px;height:54px;border-radius:50%;background:var(--sk-surface);border:2px solid var(--sk-surface);
  box-shadow:var(--sk-shadow-sm);overflow:hidden;z-index:2}
.sk-item h3{font-size:19px}
.sk-item .row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:10px}
.sk-item select{max-width:100%;font:inherit;font-size:15px;border:1.5px solid var(--sk-line);border-radius:9px;padding:6px 8px;background:var(--sk-surface);color:var(--sk-ink)}
.sk-sum{position:sticky;top:82px}
.sk-sum dl{display:grid;grid-template-columns:1fr auto;gap:8px;margin:0}
.sk-sum dd{margin:0;text-align:right}
.sk-sum .total{font-family:var(--sk-display);font-size:26px}
.sk-codes{display:grid;gap:10px;margin:14px 0}
.sk-code{display:flex;flex-wrap:wrap;align-items:center;gap:12px;justify-content:space-between;border:1.5px dashed var(--sk-line);border-radius:12px;padding:12px 14px}
.sk-code b{font-size:24px;letter-spacing:.05em}
.sk-progress{height:8px;border-radius:4px;background:var(--sk-paper-2);overflow:hidden}
.sk-progress i{display:block;height:100%;width:0;background:var(--sk-accent);transition:width .3s}

/* ---------- my page, tables ---------- */
.sk-table{width:100%;border-collapse:collapse;font-size:15px}
.sk-table th,.sk-table td{text-align:left;padding:10px 6px;border-bottom:1px solid var(--sk-line);vertical-align:top}
.sk-table th{color:var(--sk-ink-2);font-weight:600;white-space:nowrap}
.sk-pill{display:inline-block;border-radius:999px;padding:2px 10px;font-size:13px;background:var(--sk-paper-2)}
.sk-pill.ok{background:color-mix(in srgb,var(--sk-mat) 16%,transparent);color:var(--sk-mat)}

/* ---------- toast ---------- */
.sk-toast{position:fixed;left:50%;bottom:22px;transform:translate(-50%,20px);opacity:0;z-index:90;background:var(--sk-ink);color:var(--sk-paper);
  border-radius:14px;padding:12px 16px;display:flex;gap:14px;align-items:center;box-shadow:var(--sk-shadow);transition:.2s ease;max-width:calc(100vw - 32px);
  font-family:var(--sk-body);font-size:15px}
.sk-toast.show{opacity:1;transform:translate(-50%,0)}
.sk-toast a{color:var(--sk-accent);font-weight:700;white-space:nowrap}

/* ---------- footer ---------- */
.sk-foot{border-top:1px solid var(--sk-line);margin-top:0;padding:40px 0 10px;font-size:14px;color:var(--sk-ink-2);background:var(--sk-paper)}
.sk-foot .cols{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:24px}
@media (max-width:760px){.sk-foot .cols{grid-template-columns:1fr 1fr}}
.sk-foot h4{font-family:var(--sk-display);font-weight:400;font-size:17px;color:var(--sk-ink);margin:0 0 8px}
.sk-foot a{color:inherit;text-decoration:none}.sk-foot a:hover{text-decoration:underline}
.sk-foot ul{list-style:none;padding:0;margin:0;display:grid;gap:4px}
.sk-foot .biz{max-width:none;margin:26px 0 0}

@media (prefers-reduced-motion:reduce){.sk-page *{transition:none!important;animation:none!important}}
@media (max-width:480px){.sk-item{grid-template-columns:84px minmax(0,1fr);gap:12px;padding:12px}.sk-item .sk-cover{width:84px}.sk-item .face{width:42px;height:42px}}
/* main page: install as an app (service/static/app.js) */
.sk-install-card{display:flex;align-items:center;gap:14px;max-width:640px;margin:18px auto 0;background:var(--sk-surface,#fff);border:1px solid var(--sk-line,#E4DAC6);border-radius:16px;padding:14px 16px}
.sk-install-card[hidden]{display:none}
.sk-install-card .ic{flex:0 0 auto;color:var(--sk-mat-text,#2F6B57)}
.sk-install-card .t{flex:1;min-width:0;display:grid;gap:2px;font-size:14.5px;line-height:1.5}
.sk-install-card .t b{font-family:var(--sk-display,inherit);font-weight:400;font-size:17px}
.sk-install-card .t span{color:var(--sk-ink-2,#5C6761)}
@media (max-width:560px){.sk-install-card{flex-wrap:wrap}.sk-install-card .sk-btn{width:100%}}