:root{
  --purple:#7c3aed;
  --purple-dark:#6d28d9;
  --purple-700:#5b21b6;
  --purple-light:#a855f7;
  --purple-50:#f5f3ff;
  --purple-100:#ede9fe;
  --ink:#1c1430;
  --ink-2:#4b3f63;
  --muted:#8b80a3;
  --line:#ece8f5;
  --bg:#faf8ff;
  --white:#fff;
  --sidebar-w:288px;
  --guide-sidebar-height:100vh;
  --radius:18px;
  --shadow-sm:0 2px 10px rgba(91,33,182,.06);
  --shadow:0 14px 40px rgba(91,33,182,.13);
  --shadow-lg:0 26px 60px rgba(91,33,182,.22);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:24px}
body{
  font-family:"Noto Sans KR",system-ui,-apple-system,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

body[data-language="ko"]{
  word-break:keep-all;
  line-break:strict;
}

body[data-language="ko"] :where(h1,h2,h3,h4,p,li,blockquote,.hero-lead,.hero-card,.section-lead,.note,.chapter-titles,.flow-text,.step-body,.site-foot){
  word-break:keep-all;
  overflow-wrap:break-word;
  line-break:strict;
  text-wrap:pretty;
}

body[data-language="ko"] :where(.nav a,.pill,.step-badge,.side-badge,.to-top,.menu-btn){
  word-break:normal;
  overflow-wrap:normal;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}

/* ---------- Sidebar ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:auto;width:var(--sidebar-w);
  height:var(--guide-sidebar-height);
  max-height:var(--guide-sidebar-height);
  background:linear-gradient(185deg,#1c1430 0%,#2b1b54 55%,#3b1d74 100%);
  color:#e8e1f7;display:flex;flex-direction:column;z-index:60;
  padding:26px 14px 18px 18px;overflow-y:auto;overflow-x:hidden;
  scrollbar-width:thin;
  scrollbar-color:rgba(168,85,247,.78) rgba(255,255,255,.06);
  scrollbar-gutter:stable;
}
.sidebar::-webkit-scrollbar{width:10px}
.sidebar::-webkit-scrollbar-track{
  margin:14px 0;
  border-radius:999px;
  background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.035));
}
.sidebar::-webkit-scrollbar-thumb{
  border:2px solid #201337;
  border-radius:999px;
  background:linear-gradient(180deg,#d107fb 0%,#a855f7 45%,#7c3aed 100%);
  box-shadow:0 0 14px rgba(168,85,247,.42);
}
.sidebar::-webkit-scrollbar-thumb:hover{
  background:linear-gradient(180deg,#e352ff 0%,#b96bff 42%,#8b3cf6 100%);
}
.sidebar::-webkit-scrollbar-corner{background:transparent}
.brand{display:flex;align-items:center;gap:12px;padding:6px 8px 22px;flex:0 0 auto}
.logo-mark{
  display:inline-grid;place-items:center;
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--purple-light),var(--purple));
  color:#fff;font-size:22px;font-weight:800;line-height:1;
  box-shadow:0 6px 18px rgba(124,58,237,.5);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-family:"Poppins",sans-serif;font-size:20px;letter-spacing:.3px}
.brand-text small{color:#b8a9e0;font-size:12px;font-weight:500}

.nav{display:flex;flex-direction:column;gap:4px;margin-top:6px;flex:0 0 auto}
.nav-group-title{
  display:flex;align-items:center;gap:8px;
  font-size:11px;font-weight:700;letter-spacing:1.2px;
  color:#9d8ad0;text-transform:uppercase;
  padding:18px 12px 8px;
}
.nav-group-title .dot{width:6px;height:6px;border-radius:50%;background:var(--purple-light)}
.nav a{
  display:flex;align-items:center;gap:10px;
  padding:9px 12px;border-radius:11px;font-size:14px;
  color:#cabbe8;transition:.18s;position:relative;
}
.nav a .num{
  flex:0 0 22px;height:22px;border-radius:7px;
  display:grid;place-items:center;font-size:12px;font-weight:700;
  background:rgba(255,255,255,.08);color:#d8c9f5;
}
.nav a:hover{background:rgba(255,255,255,.07);color:#fff}
.nav a.active{background:linear-gradient(90deg,var(--purple),var(--purple-light));color:#fff;box-shadow:0 8px 20px rgba(124,58,237,.4)}
.nav a.active .num{background:rgba(255,255,255,.25);color:#fff}

.sidebar-foot{flex:0 0 auto;margin-top:22px;padding:16px 12px 4px;border-top:1px solid rgba(255,255,255,.08)}
.ver{font-size:12px;color:#9d8ad0}

/* ---------- Topbar (mobile) ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:58px;z-index:70;
  background:rgba(28,20,48,.96);backdrop-filter:blur(8px);
  align-items:center;gap:14px;padding:0 16px;color:#fff;
}
.topbar-brand{display:flex;align-items:center;gap:10px;font-family:"Poppins",sans-serif;font-weight:700;font-size:18px}
.topbar-brand .logo-mark{width:30px;height:30px;font-size:18px}
.menu-btn{background:none;border:0;cursor:pointer;display:flex;flex-direction:column;gap:5px;padding:6px}
.menu-btn span{width:22px;height:2px;background:#fff;border-radius:2px;transition:.2s}
.overlay{display:none;position:fixed;inset:0;background:rgba(20,12,40,.5);z-index:55}
.overlay.show{display:block}

/* ---------- Content ---------- */
.content{margin-left:var(--sidebar-w);min-height:100vh}

.hero{position:relative;overflow:hidden;background:linear-gradient(160deg,#2b1b54 0%,#5b21b6 60%,#7c3aed 100%);color:#fff;padding:74px 48px 96px}
.hero-inner{max-width:1080px;margin:0 auto;position:relative;z-index:2}
.hero-badge{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.4px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);padding:7px 16px;border-radius:999px;margin-bottom:22px}
.hero h1{font-family:"Poppins","Noto Sans KR",sans-serif;font-size:48px;font-weight:800;line-height:1.12;letter-spacing:-.5px}
.hero-lead{margin-top:18px;font-size:18px;max-width:620px;color:#e7dcff}
.hero-glow{position:absolute;right:-120px;top:-120px;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle,rgba(168,85,247,.55),transparent 65%);filter:blur(10px);z-index:1}
.hero-cards{display:flex;gap:16px;margin-top:38px;flex-wrap:wrap}
.hero-card{flex:1 1 240px;min-width:230px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:16px;padding:20px 22px;backdrop-filter:blur(6px)}
.hero-card .hc-tag{font-size:11px;font-weight:700;letter-spacing:1px;color:#d6c4ff}
.hero-card h3{font-size:19px;margin:6px 0 6px;font-weight:700}
.hero-card p{font-size:13.5px;color:#e3d8ff}

/* ---------- Section ---------- */
.section{padding:60px 48px;max-width:1160px;margin:0 auto}
.section-head{margin-bottom:14px}
.section-tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:1.5px;color:var(--purple);background:var(--purple-50);border:1px solid var(--purple-100);padding:6px 14px;border-radius:999px}
.section-title{font-family:"Poppins","Noto Sans KR",sans-serif;font-size:34px;font-weight:800;margin:16px 0 4px;color:var(--ink)}
.section-sub{color:var(--muted);font-weight:600;font-size:15px;letter-spacing:.5px;text-transform:uppercase}
.section-lead{font-size:16.5px;color:var(--ink-2);max-width:720px;margin-top:14px}

.flow{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:24px 0 6px}
.flow .pill{background:var(--white);border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:13.5px;font-weight:600;color:var(--purple-dark);box-shadow:var(--shadow-sm)}
.flow .arrow{color:var(--purple-light);font-weight:700}

.notes{display:grid;gap:10px;margin-top:24px}
.note{display:flex;gap:12px;align-items:flex-start;background:var(--white);border:1px solid var(--line);border-left:4px solid var(--purple);border-radius:12px;padding:14px 18px;box-shadow:var(--shadow-sm)}
.note .ic{flex:0 0 22px;height:22px;border-radius:7px;background:var(--purple-50);color:var(--purple);display:grid;place-items:center;font-size:13px;font-weight:800}
.note p{font-size:14.5px;color:var(--ink-2)}

/* ---------- Chapter ---------- */
.chapter{margin-top:48px;scroll-margin-top:24px}
.chapter-head{display:flex;align-items:flex-start;gap:16px;margin-bottom:6px}
.chapter-no{flex:0 0 auto;min-width:46px;height:46px;padding:0 12px;border-radius:14px;background:linear-gradient(135deg,var(--purple),var(--purple-light));color:#fff;display:grid;place-items:center;font-family:"Poppins",sans-serif;font-weight:800;font-size:20px;box-shadow:0 10px 24px rgba(124,58,237,.35)}
.chapter-titles h3{font-size:23px;font-weight:800;color:var(--ink);line-height:1.25}
.chapter-titles p{font-size:15px;color:var(--ink-2);margin-top:6px;max-width:760px}
.flow-text{display:inline-flex;align-items:center;gap:8px;margin-top:14px;background:var(--purple-50);border:1px dashed var(--purple-light);color:var(--purple-700);border-radius:10px;padding:9px 14px;font-size:13.5px;font-weight:600}

.steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:22px;margin-top:24px}
.step{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s;display:flex;flex-direction:column}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.shot{position:relative;background:linear-gradient(170deg,#f3eefe,#e9e1fb);padding:18px 18px 0;display:flex;justify-content:center}
.shot .phone{border-radius:22px 22px 0 0;overflow:hidden;width:100%;max-width:215px;box-shadow:0 -2px 0 #fff,0 18px 36px rgba(91,33,182,.22);border:6px solid #14102a;border-bottom:0;cursor:zoom-in;background:#14102a}
.shot .phone img{width:100%;display:block}
.step-badge{position:absolute;top:12px;left:12px;background:var(--purple);color:#fff;font-size:12px;font-weight:800;font-family:"Poppins",sans-serif;padding:4px 10px;border-radius:8px;letter-spacing:.5px;box-shadow:var(--shadow-sm);z-index:2}
.side-badge{position:absolute;top:12px;right:12px;font-size:11px;font-weight:700;padding:4px 10px;border-radius:8px;z-index:2}
.side-store{background:#14102a;color:#d8c9f5}
.side-user{background:#fff;color:var(--purple);border:1px solid var(--purple-100)}
.step-body{padding:16px 18px 20px}
.step-body h4{font-size:16px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:8px}
.step-body p{font-size:14px;color:var(--ink-2);margin-top:7px}

/* ---------- Hero cards from JS ---------- */
.site-foot{padding:46px 48px 60px;border-top:1px solid var(--line);text-align:center;color:var(--ink-2)}
.site-foot .muted{color:var(--muted);font-size:14px;margin-top:6px}

/* ---------- Lightbox ---------- */
.lightbox{position:fixed;inset:0;background:rgba(16,10,32,.86);display:none;align-items:center;justify-content:center;z-index:120;padding:32px}
.lightbox.show{display:flex}
.lightbox img{max-width:min(420px,92vw);max-height:90vh;border-radius:18px;box-shadow:var(--shadow-lg);border:8px solid #14102a}
.lb-close{position:absolute;top:22px;right:28px;background:none;border:0;color:#fff;font-size:42px;cursor:pointer;line-height:1}

/* ---------- To top ---------- */
.to-top{position:fixed;right:26px;bottom:26px;width:46px;height:46px;border-radius:14px;border:0;background:var(--purple);color:#fff;font-size:12px;font-weight:800;cursor:pointer;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:.25s;z-index:50}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{background:var(--purple-dark)}

/* ---------- Responsive ---------- */
@media(max-width:1024px){
  .hero h1{font-size:38px}
  .section,.hero,.site-foot{padding-left:34px;padding-right:34px}
}
@media(max-width:860px){
  .topbar{display:flex}
  .sidebar{transform:translateX(-100%);transition:transform .28s;top:0;padding-top:26px}
  .sidebar.open{transform:translateX(0)}
  .content{margin-left:0;padding-top:58px}
  .hero{padding:48px 22px 64px}
  .hero h1{font-size:31px}
  .hero-lead{font-size:16px}
  .section{padding:44px 22px}
  .section-title{font-size:27px}
  .site-foot{padding:36px 22px}
  .chapter-no{height:42px;min-width:42px;font-size:18px}
  .chapter-titles h3{font-size:20px}
}
@media(max-width:520px){
  .steps{grid-template-columns:1fr 1fr;gap:14px}
  .shot{padding:12px 10px 0}
  .step-body{padding:12px 12px 16px}
  .step-body h4{font-size:14.5px}
  .step-body p{font-size:13px}
}

/* Responsive hardening for embedded and direct guide views. */
html,
body {
  max-width: 100%;
  overflow-x: clip;
}

.section,
.hero-inner,
.steps,
.chapter,
.site-foot {
  max-width: 100%;
}

.flow {
  max-width: 100%;
}

.flow .pill {
  white-space: nowrap;
}

@media(max-width:1024px){
  .steps{
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  }

  .chapter{
    scroll-margin-top:76px;
  }
}

@media(max-width:860px){
  .sidebar{
    width:min(288px,86vw);
    max-width:86vw;
  }

  .content{
    min-width:0;
  }

  .hero-cards{
    display:grid;
    grid-template-columns:1fr;
  }

  .hero-card{
    min-width:0;
  }

  .chapter-head{
    align-items:flex-start;
  }

  .flow{
    flex-wrap:nowrap;
    overflow-x:auto;
    padding-bottom:4px;
    scrollbar-width:none;
    -webkit-overflow-scrolling:touch;
  }

  .flow::-webkit-scrollbar{
    display:none;
  }

  .flow .pill,
  .flow .arrow{
    flex:0 0 auto;
  }
}

@media(max-width:520px){
  .hero{
    padding:40px 18px 56px;
  }

  .hero h1{
    font-size:29px;
    line-height:1.18;
  }

  .section{
    padding:40px 18px;
  }

  .section-title{
    font-size:25px;
    line-height:1.22;
  }

  .chapter-head{
    gap:12px;
  }

  .chapter-no{
    min-width:40px;
    height:40px;
    border-radius:12px;
    font-size:17px;
  }

  .chapter-titles h3{
    font-size:19px;
  }

  .chapter-titles p,
  .section-lead,
  .flow-text{
    font-size:14px;
  }

  .steps{
    grid-template-columns:1fr;
    gap:18px;
  }

  .shot{
    padding:16px 14px 0;
  }

  .shot .phone{
    max-width:min(238px,78vw);
  }

  .step-body{
    padding:15px 16px 18px;
  }

  .step-body h4{
    font-size:15.5px;
  }

  .step-body p{
    font-size:13.5px;
  }

  .site-foot{
    padding:32px 18px 44px;
  }
}