/* KC-Corporation · design tokens, base and components */

:root{
  --blue:#3182f6; --blue-btn:#1470f5; --blue-btn-hover:#0f62dc; --blue-600:#2272eb; --blue-700:#1b64da; --blue-50:#e8f3ff; --blue-100:#c9e2ff;
  --g900:#191f28; --g800:#333d4b; --g700:#4e5968; --g600:#6b7684; --g500:#8b95a1; --g400:#b0b8c1; --g300:#d1d6db; --g200:#e5e8eb; --g100:#f2f4f6; --g50:#f9fafb;
  --red:#f04452; --red-50:#ffeeee; --orange:#fe9800; --orange-50:#fff3e0; --green:#03b26c; --green-50:#f0faf6;
  --font:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif;
  --gutter:clamp(20px,5vw,64px);
  --maxw:1200px;
  --ease:cubic-bezier(.2,.8,.2,1);
  --shadow-card:0 2px 8px rgba(2,32,71,.05),0 12px 32px rgba(2,32,71,.08);
  --shadow-float:0 24px 64px rgba(2,32,71,.16),0 4px 16px rgba(2,32,71,.08);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;background:#fff;color:var(--g900);font-family:var(--font);font-size:17px;line-height:1.6;letter-spacing:-.01em;word-break:keep-all;overflow-wrap:break-word;-webkit-font-smoothing:antialiased;overflow-x:clip}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
img,svg{max-width:100%}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:8px}
.sr-only{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:fixed;left:16px;top:-60px;z-index:100;background:var(--g900);color:#fff;padding:10px 16px;border-radius:12px;text-decoration:none;font-weight:600}
.skip:focus{top:12px}
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.ico{width:1em;height:1em;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}

/* ── Buttons ───────────────────────────── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:56px;padding:0 24px;border:0;border-radius:16px;font-size:17px;font-weight:600;text-decoration:none;cursor:pointer;transition:background .2s,transform .15s var(--ease)}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--blue-btn);color:#fff}
.btn-primary:hover{background:var(--blue-btn-hover)}
.btn-weak{background:var(--blue-50);color:var(--blue-700)}
.btn-weak:hover{background:var(--blue-100)}
.btn-grey{background:var(--g100);color:var(--g800)}
.btn-grey:hover{background:var(--g200)}
.btn-sm{height:40px;padding:0 16px;border-radius:10px;font-size:15px}


/* ── Shared section typography ─────────── */
.sec{position:relative;padding-block:clamp(96px,12vw,168px)}
.sec.grey{background:var(--g50)}
.head{max-width:780px;margin-bottom:clamp(48px,6vw,72px)}
.head.center{margin-inline:auto;text-align:center}
.eyebrow{margin:0 0 14px;font-size:17px;font-weight:700;color:var(--blue-700)}
.title{margin:0;font-size:clamp(30px,4vw,48px);line-height:1.34;font-weight:800;letter-spacing:-.032em}
.desc{margin:20px 0 0;font-size:clamp(17px,1.4vw,20px);line-height:1.7;font-weight:500;color:var(--g700)}
.fine{margin:28px 0 0;font-size:14px;color:var(--g600)}
.sec.grey .fine{color:var(--g700)}
.js .rv{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .9s var(--ease)}
.js .rv.in{opacity:1;transform:none}
.js .rv.d1{transition-delay:.08s}.js .rv.d2{transition-delay:.16s}.js .rv.d3{transition-delay:.24s}


/* ── Problems ──────────────────────────── */
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.pcard{display:flex;flex-direction:column;padding:32px 28px 28px;border-radius:24px;background:#fff;transition:transform .3s var(--ease),box-shadow .3s}
.pcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-card)}
.ic{display:grid;place-items:center;width:52px;height:52px;border-radius:16px;font-size:24px}
.ic.blue{background:var(--blue-50);color:var(--blue)}.ic.orange{background:var(--orange-50);color:var(--orange)}.ic.red{background:var(--red-50);color:var(--red)}.ic.green{background:var(--green-50);color:var(--green)}
.pcard h3{margin:22px 0 10px;font-size:21px;line-height:1.42;font-weight:700;letter-spacing:-.02em}
.pcard p{margin:0;font-size:16px;color:var(--g700)}
.pcard .fix{margin-top:auto;padding-top:20px}
.pcard .fix div{padding-top:18px;border-top:1px solid var(--g100);font-size:15px;line-height:1.6;color:var(--g800)}
.pcard .fix b{display:block;margin-bottom:6px;font-size:14px;font-weight:700;color:var(--blue-700)}
@media (max-width:1000px){.cards3{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.cards3{grid-template-columns:1fr}}


/* ── Build ─────────────────────────────── */
.tabs2{display:inline-flex;gap:4px;padding:4px;border-radius:14px;background:var(--g100);max-width:100%;overflow-x:auto}
.tabs2 [role="tab"]{height:44px;padding:0 20px;border:0;border-radius:11px;background:none;color:var(--g700);font-size:16px;font-weight:600;white-space:nowrap;cursor:pointer;transition:background .2s,color .2s,box-shadow .2s}
.tabs2 [role="tab"]:focus-visible{outline-offset:-2px}
.tabs2 [role="tab"][aria-selected="true"]{background:#fff;color:var(--g900);box-shadow:0 1px 3px rgba(2,32,71,.12)}
.bpanel{display:grid;grid-template-columns:1fr 1.1fr 1fr;gap:16px;margin-top:24px}
.bpanel[hidden]{display:none}
.bpanel.swap{animation:up .5s var(--ease)}
.bcol{padding:28px 24px;border-radius:24px;background:var(--g50)}
.bcol-h{margin:0 0 16px;font-size:15px;font-weight:700;color:var(--g700)}
.qbs{display:grid;gap:10px;margin:0;padding:0;list-style:none}
.qbs li{justify-self:start;max-width:100%;padding:13px 16px;border-radius:20px 20px 20px 6px;background:#fff;font-size:16px;font-weight:500;line-height:1.5;box-shadow:0 1px 2px rgba(2,32,71,.06)}
.pagemock{overflow:hidden;border-radius:20px;background:#fff;box-shadow:0 1px 2px rgba(2,32,71,.06)}
.pm-url{display:flex;align-items:center;gap:8px;padding:12px 14px;border-bottom:1px solid var(--g100);font-size:13px;color:var(--g600)}
.pm-url i{width:8px;height:8px;border-radius:50%;background:var(--g200)}
.pm-url span{margin-left:6px;padding:4px 10px;border-radius:8px;background:var(--g100)}
.pm-title{margin:0;padding:18px 18px 10px;font-size:20px;font-weight:700;letter-spacing:-.02em}
.pm-rows{margin:0;padding:0 12px 14px;list-style:none;counter-reset:r}
.pm-rows li{display:flex;align-items:center;gap:12px;padding:11px 8px;border-radius:12px;font-size:15px;font-weight:500;counter-increment:r}
.pm-rows li::before{content:counter(r);display:grid;place-items:center;width:24px;height:24px;border-radius:8px;background:var(--blue-50);color:var(--blue-700);font-size:13px;font-weight:700;flex:none}
.pm-rows li+li{border-top:1px solid var(--g50)}
.warns{display:grid;gap:10px;margin:0;padding:0;list-style:none}
.warns li{display:grid;grid-template-columns:24px 1fr;gap:12px;padding:14px 16px;border-radius:16px;background:#fff;font-size:15px;line-height:1.55;font-weight:500}
.warns li::before{content:"!";display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--orange);color:#fff;font-size:14px;font-weight:800}
.dlist{display:grid;grid-template-columns:1fr 1fr;gap:0 56px;margin:96px 0 0;padding:0;list-style:none}
.dlist-h{grid-column:1/-1;margin:0 0 20px;font-size:24px;font-weight:700;letter-spacing:-.02em}
.dlist li{display:grid;grid-template-columns:44px 1fr;gap:16px;padding:22px 0;border-bottom:1px solid var(--g100)}
.dlist .ic{width:44px;height:44px;border-radius:14px;font-size:20px}
.dlist b{display:block;font-size:18px;font-weight:700}
.dlist p{margin:4px 0 0;font-size:15px;color:var(--g700)}
.dlist small{display:inline-block;margin-top:10px;padding:4px 10px;border-radius:8px;background:var(--g100);font-size:13px;font-weight:600;color:var(--g700)}
@media (max-width:1000px){.bpanel{grid-template-columns:1fr}.dlist{grid-template-columns:1fr}}
@media (max-width:520px){.tabs2{display:grid;grid-template-columns:1fr 1fr;width:100%}.tabs2 [role="tab"]{padding:0 8px}}



/* ── Content ops ───────────────────────── */
.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:88px;align-items:center}
.stepper{margin:40px 0 0;padding:0;list-style:none}
.stepper li{position:relative;display:grid;grid-template-columns:36px 1fr;gap:16px;padding-bottom:20px}
.stepper li:not(:last-child)::after{content:"";position:absolute;left:17.5px;top:40px;bottom:2px;width:1px;background:var(--g200)}
.stepper .n{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:#fff;color:var(--g700);font-size:15px;font-weight:700;box-shadow:inset 0 0 0 1px var(--g200)}
.stepper li.gate .n{background:var(--blue);color:#fff;box-shadow:none}
.stepper b{display:block;font-size:18px;font-weight:700;line-height:36px}
.stepper li.gate b{color:var(--blue-700)}
.stepper span{display:block;margin-top:-2px;font-size:15px;color:var(--g700)}
.app{width:360px;margin:0 auto;padding:10px;border-radius:46px;background:#0f1114;box-shadow:var(--shadow-float),inset 0 0 0 1.5px #3a3f46}
.app-in{display:flex;flex-direction:column;height:736px;overflow:hidden;border-radius:36px;background:#fff}
.app-top{display:flex;align-items:center;gap:6px;height:52px;padding:0 14px;font-size:17px;font-weight:700;flex:none}
.app-top .ico{font-size:24px;stroke-width:2.2}
.app-body{flex:1;padding:6px 20px 0;overflow:hidden}
.app-kicker{font-size:14px;font-weight:700;color:#d86a00}
.app h3{margin:6px 0 0;font-size:21px;line-height:1.4;font-weight:700;letter-spacing:-.02em}
.app-meta{display:flex;flex-wrap:wrap;gap:6px;margin:14px 0 20px}
.app-meta span{padding:5px 10px;border-radius:8px;background:var(--g100);font-size:13px;font-weight:600;color:var(--g700)}
.wcard{margin-bottom:8px;padding:14px 16px;border-radius:18px;background:var(--orange-50);opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .7s var(--ease)}
.in .wcard{opacity:1;transform:none}
.in .wcard:nth-of-type(2){transition-delay:.3s}.in .wcard:nth-of-type(3){transition-delay:.6s}
.wcard b{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:#c25e00}
.wcard b::before{content:"!";display:grid;place-items:center;width:20px;height:20px;border-radius:50%;background:var(--orange);color:#fff;font-size:12px;font-weight:800}
.wcard p{margin:6px 0 0 28px;font-size:14px;line-height:1.6;color:var(--g800)}
.vrow{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-top:14px;padding:14px 16px;border-radius:16px;background:var(--g50);font-size:14px;font-weight:600;color:var(--g700)}
.vrow em{font-style:normal;color:var(--red)}
.app-bottom{display:grid;grid-template-columns:1fr 1.4fr;gap:8px;padding:12px 20px 30px;flex:none}
.app-bottom span{display:grid;place-items:center;height:54px;border-radius:14px;font-size:17px;font-weight:600}
.app-bottom .ghost{background:var(--g100);color:var(--g800)}
.app-bottom .dis{background:#c9e2ff;color:#fff}
.app-cap{margin:18px 0 0;text-align:center;font-size:13px;color:var(--g600)}
@media (max-width:1000px){.content-grid{grid-template-columns:1fr;gap:48px}}
@media (max-width:420px){.app{width:min(360px,100%)}.app-in{height:660px}}


/* ── Measure ───────────────────────────── */
.neq{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.mcard{position:relative;padding:28px 24px;border-radius:24px;background:var(--g50)}
.mcard:not(:last-child)::after{content:"≠";position:absolute;right:-24px;top:50%;z-index:2;display:grid;place-items:center;width:32px;height:32px;margin-top:-16px;border-radius:50%;background:var(--g900);color:#fff;font-size:17px;font-weight:700;box-shadow:0 0 0 4px #fff}
.mcard h3{margin:18px 0 8px;font-size:20px;line-height:1.45;font-weight:700;letter-spacing:-.02em}
.mcard p{margin:0;font-size:15px;color:var(--g700)}
.mcard small{display:block;margin-top:16px;padding-top:14px;border-top:1px solid var(--g200);font-size:13px;font-weight:600;color:var(--g700)}
.formula{display:grid;grid-template-columns:1.2fr .8fr;gap:16px;margin-top:16px}
.fbox{padding:36px;border-radius:24px;background:var(--g900);color:#fff}
.fbox small{font-size:14px;font-weight:600;color:var(--g400)}
.eq{display:flex;flex-wrap:wrap;align-items:center;gap:14px 20px;margin:22px 0;font-size:clamp(22px,2.4vw,30px);font-weight:800;letter-spacing:-.02em}
.frac{display:inline-grid;text-align:center;font-size:16px;font-weight:600;letter-spacing:-.01em}
.frac span:first-child{padding-bottom:8px;border-bottom:2px solid #fff}
.frac span:last-child{padding-top:8px;color:var(--g300)}
.fbox p{margin:0;font-size:15px;line-height:1.7;color:var(--g300)}
.pilot{padding:36px;border-radius:24px;background:var(--blue-50)}
.pilot small{font-size:14px;font-weight:700;color:var(--blue-700)}
.pilot strong{display:block;margin:14px 0 12px;font-size:clamp(22px,2.2vw,28px);line-height:1.4;font-weight:800;letter-spacing:-.02em}
.pilot p{margin:0;font-size:15px;color:var(--g700)}
@media (max-width:1000px){.neq{grid-template-columns:1fr 1fr}.mcard:nth-child(2)::after{display:none}.formula{grid-template-columns:1fr}}
@media (max-width:560px){.neq{grid-template-columns:1fr;gap:24px}.mcard:not(:last-child)::after,.mcard:nth-child(2)::after{display:grid;right:auto;left:50%;top:auto;bottom:-28px;margin:0 0 0 -16px}}


/* ── Process ───────────────────────────── */
.steps{display:grid;gap:12px;margin:0;padding:0;list-style:none}
.step{display:grid;grid-template-columns:72px minmax(0,1fr) auto;align-items:center;gap:8px 24px;padding:28px 32px;border-radius:24px;background:#fff}
.step .num{font-size:30px;font-weight:800;letter-spacing:-.02em;color:var(--blue)}
.step h3{margin:0;font-size:21px;font-weight:700;letter-spacing:-.02em}
.step p{margin:4px 0 0;font-size:16px;color:var(--g700)}
.step .warn{display:block;margin-top:6px;font-size:13px;color:var(--g600)}
.step .get{justify-self:end;padding:8px 14px;border-radius:10px;background:var(--g100);font-size:14px;font-weight:600;color:var(--g700);white-space:nowrap}
.branches{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
.branch{margin:0;padding:22px 24px;border-radius:20px;box-shadow:inset 0 0 0 1px var(--g200);font-size:16px;font-weight:500;color:var(--g800)}
.branch b{display:block;margin-bottom:4px;font-size:14px;font-weight:700;color:var(--g600)}
@media (max-width:760px){.step{grid-template-columns:44px 1fr;padding:24px 20px}.step .num{font-size:22px}.step .get{grid-column:2;justify-self:start;white-space:normal}}
@media (max-width:860px){.branches{grid-template-columns:1fr}}


/* ── Promise ───────────────────────────── */
.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.plist{padding:36px 32px;border-radius:28px}
.plist.no{background:var(--g50)}
.plist.yes{background:var(--blue-50)}
.plist h3{margin:0 0 10px;font-size:22px;font-weight:800;letter-spacing:-.02em}
.plist ul{margin:0;padding:0;list-style:none}
.plist li{display:grid;grid-template-columns:28px 1fr;gap:14px;padding:16px 0;border-top:1px solid rgba(2,32,71,.07)}
.mark{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;color:#fff;font-size:15px}
.mark .ico{stroke-width:3}
.plist.no .mark{background:var(--g500)}
.plist.yes .mark{background:var(--blue)}
.plist b{display:block;font-size:17px;font-weight:700}
.plist.no b{color:var(--g700);text-decoration:line-through;text-decoration-color:var(--red);text-decoration-thickness:2px}
.plist li span:not(.mark){display:block;margin-top:2px;font-size:15px;color:var(--g700)}
@media (max-width:860px){.two{grid-template-columns:1fr}}


/* ── FAQ ───────────────────────────────── */
.faq{max-width:860px;margin-inline:auto;border-top:1px solid var(--g200)}
.faq details{border-bottom:1px solid var(--g200)}
.faq summary{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:26px 4px;cursor:pointer;list-style:none;font-size:clamp(17px,1.5vw,20px);font-weight:600;line-height:1.5}
.faq summary::-webkit-details-marker{display:none}
.faq summary .ico{font-size:24px;color:var(--g500);transition:transform .3s var(--ease)}
.faq details[open] summary .ico{transform:rotate(180deg)}
.faq details p{margin:0;padding:0 40px 28px 4px;font-size:17px;line-height:1.75;color:var(--g700)}


/* ── CTA ───────────────────────────────── */
.cta-grid{display:grid;grid-template-columns:minmax(0,1fr) 480px;gap:72px;align-items:start}
.cta .title{font-size:clamp(32px,4.2vw,52px)}
.cta-list{display:grid;gap:14px;margin:36px 0 0;padding:0;list-style:none}
.cta-list li{display:flex;align-items:center;gap:12px;font-size:17px;font-weight:600;color:var(--g800)}
.form{padding:32px 28px;border-radius:28px;background:#fff;box-shadow:var(--shadow-card)}
.form h3{margin:0 0 4px;font-size:22px;font-weight:700}
.form .sub{margin:0 0 24px;font-size:15px;color:var(--g600)}
.field{display:block;margin-bottom:18px}
.lbl{display:block;margin-bottom:8px;font-size:15px;font-weight:600;color:var(--g700)}
.lbl em{font-style:normal;color:var(--blue-700)}
.inp{display:block;width:100%;height:56px;padding:0 16px;border:1.5px solid var(--g300);border-radius:14px;background:#fff;font-size:17px;color:var(--g900);transition:border-color .2s,background .2s}
textarea.inp{height:auto;min-height:100px;padding:14px 16px;line-height:1.6;resize:vertical}
select.inp{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--g600) 50%),linear-gradient(135deg,var(--g600) 50%,transparent 50%);background-position:calc(100% - 22px) 25px,calc(100% - 16px) 25px;background-size:6px 6px;background-repeat:no-repeat}
.inp::placeholder{color:var(--g600)}
.inp:focus-visible{outline:none;border-color:var(--blue);background:#fff}
.inp[aria-invalid="true"]{border-color:var(--red);background:#fff}
.err{margin:-10px 0 14px;font-size:14px;color:#d22030}
.err:empty{display:none}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 18px;padding:0;border:0}
.chips legend{margin-bottom:8px;padding:0;font-size:15px;font-weight:600;color:var(--g700)}
.chips label{position:relative}
.chips input{position:absolute;inset:0;margin:0;opacity:0;cursor:pointer}
.chips label>span{display:grid;place-items:center;height:44px;padding:0 16px;border-radius:12px;background:var(--g100);border:1.5px solid transparent;font-size:15px;font-weight:600;color:var(--g700);transition:background .2s,color .2s,border-color .2s}
.chips input:checked+span{background:var(--blue-50);border-color:var(--blue);color:var(--blue-700)}
.chips input:focus-visible+span{outline:2px solid var(--blue);outline-offset:2px}
.form .btn-primary{width:100%;margin-top:6px}
.preview{margin-top:16px;padding:18px;border-radius:16px;background:var(--g50)}
.preview pre{margin:0 0 14px;white-space:pre-wrap;font:500 14px/1.75 var(--font);color:var(--g800)}
.form-note{margin:14px 0 0;font-size:13px;line-height:1.6;color:var(--g600)}
@media (max-width:1000px){.cta-grid{grid-template-columns:1fr;gap:40px}}


/* ════ Shell: header · dropdown · mobile panel · breadcrumb · page hero · in-page nav · footer ════ */
.nav{position:fixed;inset:0 0 auto;z-index:50;height:64px;display:flex;align-items:center;gap:20px;padding:0 var(--gutter);background:rgba(255,255,255,.86);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);transition:box-shadow .3s}
.nav.scrolled{box-shadow:0 1px 0 var(--g200)}
.brand{display:inline-flex;align-items:center;gap:8px;flex:none;text-decoration:none;color:var(--g900)}
.brand img{display:block;height:24px;width:auto}
.brand span{font-size:17px;font-weight:700;letter-spacing:-.02em;line-height:1;color:var(--g900)}
.menu{display:flex;align-items:center;gap:2px;margin:0 0 0 auto;padding:0;list-style:none}
.menu>li{position:relative}
.menu-link,.menu-btn{display:inline-flex;align-items:center;gap:4px;height:40px;padding:0 12px;border:0;border-radius:10px;background:none;font-size:15px;font-weight:500;color:var(--g700);text-decoration:none;cursor:pointer;white-space:nowrap;transition:background .2s,color .2s}
.menu-link:hover,.menu-btn:hover,.menu-btn[aria-expanded="true"]{background:var(--g100);color:var(--g900)}
.menu-link[aria-current="page"],.menu-btn.is-current{color:var(--g900);font-weight:700}
.menu-btn .ico{font-size:14px;transition:transform .25s var(--ease)}
.menu-btn[aria-expanded="true"] .ico{transform:rotate(180deg)}
.dropdown{position:absolute;left:50%;top:calc(100% + 10px);z-index:5;width:max-content;min-width:320px;margin:0;padding:8px;list-style:none;border-radius:20px;background:#fff;box-shadow:0 20px 60px rgba(2,32,71,.16),0 0 0 1px rgba(2,32,71,.04);transform:translateX(-50%)}
.dropdown[hidden]{display:none}
.dropdown a{display:grid;grid-template-columns:38px 1fr;align-items:center;gap:12px;padding:10px 14px 10px 10px;border-radius:14px;text-decoration:none;color:var(--g900)}
.dropdown a:hover,.dropdown a:focus-visible{background:var(--g50)}
.dropdown a[aria-current="page"]{background:var(--blue-50)}
.dropdown .di{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--g100);color:var(--g700);font-size:19px}
.dropdown a[aria-current="page"] .di{background:#fff;color:var(--blue-700)}
.dropdown b{display:block;font-size:15px;font-weight:600;line-height:1.35}
.dropdown small{display:block;margin-top:2px;font-size:13px;color:var(--g600);line-height:1.4}
.dropdown .sep{height:1px;margin:6px 10px;background:var(--g100)}
.nav-cta{flex:none;margin-left:6px}
.menu-toggle{display:none;place-items:center;width:44px;height:44px;margin-left:auto;border:0;border-radius:12px;background:none;color:var(--g900);font-size:24px;cursor:pointer}
.menu-toggle:hover{background:var(--g100)}
@media (max-width:1080px){.menu,.nav-cta{display:none}.menu-toggle{display:grid}}
.mpanel{position:fixed;inset:64px 0 0;z-index:49;overflow-y:auto;padding:8px var(--gutter) 40px;background:#fff}
.mpanel[hidden]{display:none}
.mpanel ul{margin:0;padding:0;list-style:none}
.mpanel>ul>li{border-bottom:1px solid var(--g100)}
.mpanel a,.mpanel summary{display:flex;align-items:center;justify-content:space-between;min-height:56px;font-size:17px;font-weight:600;color:var(--g900);text-decoration:none;cursor:pointer;list-style:none}
.mpanel summary::-webkit-details-marker{display:none}
.mpanel summary .ico{font-size:18px;color:var(--g500);transition:transform .25s var(--ease)}
.mpanel details[open] summary .ico{transform:rotate(180deg)}
.mpanel details ul{padding:0 0 12px 12px}
.mpanel details a{min-height:46px;font-size:16px;font-weight:500;color:var(--g700)}
.mpanel a[aria-current="page"]{color:var(--blue-700)}
.mpanel .btn{width:100%;margin-top:24px;justify-content:center;color:#fff;font-size:17px}
.mpanel .btn:hover{color:#fff}
body.menu-open{overflow:hidden}

.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:0 0 18px;padding:0;list-style:none;font-size:14px;color:var(--g600)}
.crumbs a{color:var(--g600);text-decoration:none}
.crumbs a:hover{color:var(--g900);text-decoration:underline}
.crumbs li+li::before{content:"›";margin-right:6px;color:var(--g400)}
.crumbs [aria-current="page"]{color:var(--g800);font-weight:600}

/* page hero for detail pages */
.phero{position:relative;padding:calc(64px + clamp(56px,8vw,104px)) 0 clamp(56px,7vw,88px);background:#fff;overflow:hidden}
.phero.grey{background:var(--g50)}
.phero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:56px;align-items:center}
.phero-grid.solo{grid-template-columns:minmax(0,1fr)}
.phero-grid.solo>*{max-width:860px}
.phero h1{margin:18px 0 0;font-size:clamp(34px,4.6vw,58px);line-height:1.26;font-weight:800;letter-spacing:-.034em}
.phero h1 .blue{color:var(--blue)}
.phero .lead{margin:22px 0 0;font-size:clamp(17px,1.5vw,20px);line-height:1.7;font-weight:500;color:var(--g700)}
.phero .actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.phero .meta{display:flex;flex-wrap:wrap;gap:8px;margin:26px 0 0;padding:0;list-style:none}
.phero-visual{position:relative;display:grid;place-items:center}
@media (max-width:960px){.phero-grid{grid-template-columns:minmax(0,1fr);gap:40px}}

/* sticky in-page chips */
.toc{position:sticky;top:64px;z-index:30;background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);box-shadow:0 1px 0 var(--g100)}
.toc ul{display:flex;gap:6px;margin:0;padding:10px 0;list-style:none;overflow-x:auto;scrollbar-width:none}
.toc ul::-webkit-scrollbar{display:none}
.toc ul.is-overflow{-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 56px),transparent);mask-image:linear-gradient(90deg,#000 calc(100% - 56px),transparent)}
.toc a{display:inline-flex;align-items:center;height:36px;padding:0 14px;border-radius:999px;background:var(--g100);color:var(--g700);font-size:14px;font-weight:600;text-decoration:none;white-space:nowrap;transition:background .2s,color .2s}
.toc a:hover{background:var(--g200)}
.toc a.is-active{background:var(--g900);color:#fff}
[id]{scroll-margin-top:128px}
html{scroll-padding-top:0} /* t01 sets 72px; it would add to scroll-margin and land sections 72px too low */

/* status badges: 실제 납품 사례 / 구축 예시 / 기능 데모 */
.badge{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 10px;border-radius:8px;font-size:13px;font-weight:700;line-height:1;white-space:nowrap}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.badge.example{background:var(--g100);color:var(--g700)}
.badge.demo{background:var(--orange-50);color:#b35300}
.badge.real{background:var(--green-50);color:#027a4a}
.badge.info{background:var(--blue-50);color:var(--blue-700)}
.badge.warn{background:var(--red-50);color:#c01f2e}

/* footer sitemap */
.foot{padding:64px 0 40px;border-top:1px solid var(--g100);background:#fff;font-size:14px;color:var(--g600)}
.foot-top{display:grid;grid-template-columns:1.2fr repeat(4,minmax(0,1fr));gap:36px 32px}
.foot-slogan{margin:14px 0 0;font-size:15px;line-height:1.7;color:var(--g700)}
.foot-col h2{margin:4px 0 14px;font-size:14px;font-weight:700;color:var(--g800)}
.foot-col ul{display:grid;gap:10px;margin:0;padding:0;list-style:none}
.foot-col a{color:var(--g600);text-decoration:none}
.foot-col a:hover{color:var(--g900);text-decoration:underline}
.foot-bottom{display:grid;gap:6px;margin-top:48px;padding-top:24px;border-top:1px solid var(--g100);font-size:13px;color:var(--g600)}
@media (max-width:960px){.foot-top{grid-template-columns:1fr 1fr}.foot-brand{grid-column:1/-1}}

/* mobile sticky consult button */
.m-cta{position:fixed;left:16px;right:16px;bottom:16px;z-index:40;display:none}
.m-cta .btn{width:100%;box-shadow:0 12px 32px rgba(20,112,245,.35)}
@media (max-width:760px){.m-cta{display:block}body.has-mcta{padding-bottom:88px}}
.m-cta.is-hidden{display:none}

/* ════ Components for detail pages (Toss tone) ════ */
.link{display:inline-flex;align-items:center;gap:4px;font-size:16px;font-weight:600;color:var(--blue-700);text-decoration:none}
.link:hover{text-decoration:underline}
.link .ico{font-size:16px}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:8px;background:var(--g100);font-size:13px;font-weight:600;color:var(--g700);white-space:nowrap}
.tag.blue{background:var(--blue-50);color:var(--blue-700)}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin:14px 0 0;padding:0;list-style:none}

/* card grid */
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.cards.c2{grid-template-columns:repeat(2,minmax(0,1fr))}
.cards.c4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{display:flex;flex-direction:column;padding:30px 28px 28px;border-radius:24px;background:var(--g50);color:inherit;text-decoration:none;transition:transform .3s var(--ease),box-shadow .3s,background .3s}
.grey .card{background:#fff}
a.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card)}
.card h3{margin:20px 0 10px;font-size:21px;line-height:1.42;font-weight:700;letter-spacing:-.02em}
.card>.ic+h3{margin-top:22px}
.card>h3:first-child{margin-top:0}
.card p{margin:0;font-size:16px;color:var(--g700)}
.card p+p{margin-top:10px}
.card ul:not(.tags){margin:14px 0 0;padding:0 0 0 18px;font-size:15px;color:var(--g700)}
.card ul:not(.tags) li+li{margin-top:6px}
.card-foot{margin-top:auto;padding-top:20px}
.card-foot>div{padding-top:18px;border-top:1px solid var(--g200);font-size:15px;line-height:1.6;color:var(--g800)}
.grey .card-foot>div{border-top-color:var(--g100)}
.card-foot b{display:block;margin-bottom:6px;font-size:14px;font-weight:700;color:var(--blue-700)}
.card .more{margin-top:auto;padding-top:18px;font-size:15px;font-weight:600;color:var(--blue-700)}
@media (max-width:1000px){.cards,.cards.c4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.cards,.cards.c2,.cards.c4{grid-template-columns:minmax(0,1fr)}}

/* Toss list rows */
.rows{margin:0;padding:0;list-style:none;border-top:1px solid var(--g100)}
.rows>li{border-bottom:1px solid var(--g100)}
.row{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:16px;padding:22px 4px;color:inherit;text-decoration:none}
a.row:hover{background:var(--g50)}
.row .ic{width:44px;height:44px;border-radius:14px;font-size:20px}
.row b{display:block;font-size:18px;font-weight:700;line-height:1.45}
.row p{margin:4px 0 0;font-size:15px;color:var(--g700)}
.row .end{display:flex;align-items:center;gap:8px;color:var(--g500);font-size:20px}
.row.no-ic{grid-template-columns:minmax(0,1fr) auto}
@media (max-width:640px){.row{grid-template-columns:auto minmax(0,1fr)}.row .end{grid-column:2;justify-content:flex-start}.row.no-ic{grid-template-columns:minmax(0,1fr)}.row.no-ic .end{grid-column:1}.row:has(>.end>.ico:only-child){grid-template-columns:auto minmax(0,1fr) auto}.row.no-ic:has(>.end>.ico:only-child){grid-template-columns:minmax(0,1fr) auto}.row:has(>.end>.ico:only-child)>.end{grid-column:auto}}

/* key-value definition block */
.kv{display:grid;grid-template-columns:140px minmax(0,1fr);gap:0;margin:0;border-top:1px solid var(--g100)}
.kv dt,.kv dd{margin:0;padding:14px 0;border-bottom:1px solid var(--g100);font-size:15px}
.kv dt{font-weight:700;color:var(--g800)}
.kv dd{color:var(--g700)}
@media (max-width:560px){.kv{grid-template-columns:minmax(0,1fr)}.kv dt{padding-bottom:2px;border-bottom:0}.kv dd{padding-top:0}}

/* timeline */
.timeline{position:relative;margin:0;padding:0;list-style:none}
.timeline>li{position:relative;display:grid;grid-template-columns:56px minmax(0,1fr);gap:20px;padding-bottom:36px}
.timeline>li:not(:last-child)::after{content:"";position:absolute;left:27px;top:56px;bottom:0;width:2px;background:var(--g100)}
.timeline .tn{display:grid;place-items:center;width:56px;height:56px;border-radius:18px;background:var(--blue-50);color:var(--blue-700);font-size:18px;font-weight:800}
.timeline h3{margin:6px 0 8px;font-size:22px;font-weight:700;letter-spacing:-.02em}
.timeline p{margin:0;font-size:16px;color:var(--g700)}
.timeline .who{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:16px}
.timeline .who>div{padding:16px 18px;border-radius:16px;background:var(--g50);font-size:15px;color:var(--g800)}
.grey .timeline .who>div{background:#fff}
.timeline .who b{display:block;margin-bottom:4px;font-size:13px;font-weight:700;color:var(--g600)}
@media (max-width:640px){.timeline>li{grid-template-columns:44px minmax(0,1fr);gap:14px}.timeline .tn{width:44px;height:44px;border-radius:14px;font-size:15px}.timeline>li:not(:last-child)::after{left:21px;top:44px}.timeline .who{grid-template-columns:minmax(0,1fr)}}

/* compare (하지 않아요 / 이렇게 해요, before / after) */
.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.compare>div{padding:32px 30px;border-radius:26px;background:var(--g50)}
.compare>.yes{background:var(--blue-50)}
.compare h3{display:flex;align-items:center;gap:10px;margin:0 0 8px;font-size:20px;font-weight:800}
.compare ul{margin:0;padding:0;list-style:none}
.compare li{display:grid;grid-template-columns:24px minmax(0,1fr);gap:12px;padding:14px 0;border-top:1px solid rgba(2,32,71,.07);font-size:16px;line-height:1.6;color:var(--g800)}
.compare li::before{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;font-size:13px;font-weight:800;color:#fff}
.compare .no li::before{content:"✕";background:var(--g500)}
.compare .yes li::before{content:"✓";background:var(--blue)}
.compare li b{display:block;font-weight:700;color:var(--g900)}
@media (max-width:760px){.compare{grid-template-columns:minmax(0,1fr)}}

/* table → stacked on mobile */
.tbl-wrap{border-radius:20px;background:#fff;box-shadow:inset 0 0 0 1px var(--g200);overflow:hidden}
.tbl{width:100%;border-collapse:collapse;font-size:15px}
.tbl caption{padding:0 0 12px;text-align:left;font-size:14px;color:var(--g600);caption-side:top}
.tbl th,.tbl td{padding:16px 18px;text-align:left;vertical-align:top;border-bottom:1px solid var(--g100);line-height:1.6}
.tbl thead th{background:var(--g50);font-size:14px;font-weight:700;color:var(--g700);white-space:nowrap}
.tbl tbody th{font-weight:700;color:var(--g900)}
.tbl td{color:var(--g700)}
.tbl tr:last-child>*{border-bottom:0}
@media (max-width:760px){
  .tbl-wrap{background:none;box-shadow:none;border-radius:0}
  .tbl thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  .tbl,.tbl tbody,.tbl tr,.tbl th,.tbl td{display:block;width:100%}
  .tbl tr{margin-bottom:12px;padding:6px 18px;border-radius:18px;background:#fff;box-shadow:inset 0 0 0 1px var(--g200)}
  .tbl tbody th,.tbl td{padding:10px 0;border-bottom:1px solid var(--g100)}
  .tbl tr>*:last-child{border-bottom:0}
  .tbl td[data-label]::before{content:attr(data-label);display:block;margin-bottom:2px;font-size:13px;font-weight:700;color:var(--g600)}
}

/* callout */
.note{display:grid;grid-template-columns:24px minmax(0,1fr);gap:12px;padding:18px 20px;border-radius:18px;background:var(--g50);font-size:15px;line-height:1.65;color:var(--g800)}
.grey .note{background:#fff}
.grey :is(.form,.card) .note:not(.info):not(.warn){background:var(--g50)}
.note>*{grid-column:2}
.note::before{content:"i";display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--g700);color:#fff;font-size:13px;font-weight:800;font-style:italic}
.note.info{background:var(--blue-50)}
.note.info::before{background:var(--blue-700)}
.note.warn{background:var(--orange-50)}
.note.warn::before{content:"!";background:var(--orange);font-style:normal}
.note b{color:var(--g900)}
.note p{margin:0}
.note p+p{margin-top:6px}

/* split: text + visual */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:64px;align-items:center}
.split.rev>:first-child{order:2}
@media (max-width:960px){.split{grid-template-columns:minmax(0,1fr);gap:36px}.split.rev>:first-child{order:0}}

/* source card (evidence) */
.srcs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.src{display:flex;flex-direction:column;padding:28px;border-radius:24px;background:#fff;box-shadow:inset 0 0 0 1px var(--g200)}
.grey .src{box-shadow:none}
.src-top{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.src-top small{margin-left:auto;font-size:13px;color:var(--g600)}
.src h3{margin:16px 0 4px;font-size:19px;line-height:1.45;font-weight:700;letter-spacing:-.01em}
.src .org{margin:0;font-size:14px;color:var(--g600)}
.src dl{margin:18px 0 0}
.src dt{margin-top:14px;font-size:13px;font-weight:700;color:var(--g600)}
.src dd{margin:4px 0 0;font-size:15px;line-height:1.65;color:var(--g800)}
.src .src-link{margin-top:auto;padding-top:18px;font-size:14px;font-weight:600;color:var(--blue-700);text-decoration:none;word-break:normal;overflow-wrap:anywhere}
.src .src-link:hover{text-decoration:underline}
@media (max-width:860px){.srcs{grid-template-columns:minmax(0,1fr)}}

/* CTA band */
.cta-band{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:24px 40px;padding:44px 48px;border-radius:32px;background:var(--g900);color:#fff}
.cta-band h2{margin:0;font-size:clamp(24px,2.6vw,34px);line-height:1.35;font-weight:800;letter-spacing:-.03em}
.cta-band p{margin:10px 0 0;font-size:16px;color:var(--g300)}
.cta-band .btns{display:flex;flex-wrap:wrap;gap:10px}
.cta-band .btn-grey{background:rgba(255,255,255,.12);color:#fff}
.cta-band .btn-grey:hover{background:rgba(255,255,255,.2)}
@media (max-width:760px){.cta-band{grid-template-columns:minmax(0,1fr);padding:32px 26px;border-radius:26px}.cta-band .btns .btn{flex:1 1 auto}}

/* big statement */
.statement{max-width:880px;margin:0 auto;text-align:center;font-size:clamp(26px,3.4vw,42px);line-height:1.45;font-weight:800;letter-spacing:-.03em;color:var(--g900)}
.statement em{font-style:normal;color:var(--blue)}

/* numbered case navigator */
.case-nav{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:10px;margin:0;padding:0;list-style:none}
.case-nav a{display:grid;grid-template-columns:36px minmax(0,1fr);gap:12px;align-items:center;padding:14px 16px;border-radius:16px;background:var(--g50);color:var(--g900);text-decoration:none;font-size:15px;font-weight:600;line-height:1.45}
.case-nav a:hover{background:var(--g100)}
.case-nav span{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:#fff;color:var(--blue-700);font-size:14px;font-weight:800}

/* case detail block */
.case{padding:40px;border-radius:32px;background:#fff;box-shadow:inset 0 0 0 1px var(--g200)}
.grey .case{box-shadow:none}
.case+.case{margin-top:20px}
.case-head{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px}
.case-head .num{font-size:15px;font-weight:800;color:var(--blue-700)}
.case h3{margin:14px 0 8px;font-size:clamp(22px,2.4vw,30px);line-height:1.4;font-weight:800;letter-spacing:-.025em}
.case .case-lead{margin:0;font-size:17px;color:var(--g700)}
.case-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:26px}
.case-grid>section{padding:22px 22px 20px;border-radius:20px;background:var(--g50)}
.case-grid h4{display:flex;align-items:center;gap:8px;margin:0 0 10px;font-size:15px;font-weight:700;color:var(--g900)}
.case-grid h4 .ico{font-size:18px;color:var(--blue-700)}
.case-grid p,.case-grid li{font-size:15px;line-height:1.65;color:var(--g700)}
.case-grid p{margin:0}
.case-grid ul,.case-grid ol{margin:0;padding-left:20px}
.case-grid li+li{margin-top:4px}
.case-grid .wide{grid-column:1/-1}
@media (max-width:760px){.case{padding:26px 20px;border-radius:24px}.case-grid{grid-template-columns:minmax(0,1fr)}}

/* guide article */
.article{max-width:760px;margin:0 auto}
.article h2{margin:56px 0 14px;font-size:clamp(24px,2.6vw,30px);line-height:1.4;font-weight:800;letter-spacing:-.025em}
.article h3{margin:32px 0 10px;font-size:20px;font-weight:700}
.article p,.article li{font-size:17px;line-height:1.85;color:var(--g800)}
.article ul,.article ol{padding-left:22px}
.article li+li{margin-top:6px}
.article .note{margin:24px 0}

/* 404 */
.nf{min-height:calc(100vh - 64px);display:grid;place-items:center;padding:120px var(--gutter) 80px;text-align:center}
.nf .code{font-size:clamp(72px,12vw,140px);font-weight:800;letter-spacing:-.05em;color:var(--g200);line-height:1}

/* phone status bar used inside .app mocks */
.mk-sb{flex:none;height:42px;padding:0 24px 0 30px;display:flex;align-items:center;justify-content:space-between;font:600 15px/1 -apple-system,BlinkMacSystemFont,"SF Pro Text","Pretendard Variable",sans-serif;letter-spacing:-.01em;color:#111}
.mk-sb--dark{color:#fff}
.mk-sb-ic{display:flex;align-items:center;gap:5px}
.mk-sb-ic svg{display:block;height:11px;width:auto;fill:currentColor}

/* shared helpers used across pages (previously landing-only) */
[hidden]{display:none!important}
.pill{display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;border-radius:999px;background:var(--blue-50);color:#1557c0;font-size:14px;font-weight:600}
.pill i{width:6px;height:6px;border-radius:50%;background:var(--blue)}
.checklist{margin:0;padding:0;list-style:none}
.checklist li{display:grid;grid-template-columns:28px 1fr;gap:14px;padding:18px 0;border-bottom:1px solid var(--g100)}
.checklist li:last-child{border-bottom:0}
.check{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--blue);color:#fff;font-size:15px}
.check .ico{stroke-width:3}
.checklist b{display:block;font-size:18px;font-weight:700;line-height:1.45}
.checklist div>span{display:block;margin-top:4px;font-size:15px;color:var(--g700)}
/* mobile tab rows: labels may wrap; 3 or 6 tabs → 3 columns, 5 tabs → 3 + 2 full rows. :where keeps specificity low so pages can override */
@media (max-width:520px){
  .tabs2 [role="tab"]{height:auto;min-height:44px;padding:8px 6px;font-size:15px;line-height:1.3;white-space:normal;word-break:keep-all;overflow-wrap:anywhere}
  .tabs2:where(:has(>[role="tab"]:nth-child(3):last-child),:has(>[role="tab"]:nth-child(6):last-child)){grid-template-columns:repeat(3,minmax(0,1fr))}
  .tabs2:where(:has(>[role="tab"]:nth-child(5):last-child)){grid-template-columns:repeat(6,minmax(0,1fr))}
  :where(.tabs2:has(>[role="tab"]:nth-child(5):last-child)>[role="tab"]){grid-column:span 2}
  :where(.tabs2:has(>[role="tab"]:nth-child(5):last-child)>[role="tab"]:nth-child(n+4)){grid-column:span 3}
}

/* table captions inside rounded wraps and in the stacked mobile layout */
.tbl-wrap .tbl caption:not(.sr-only){padding:14px 18px 10px}
@media (max-width:760px){.tbl caption:not(.sr-only),.tbl-wrap .tbl caption:not(.sr-only){display:block;width:auto;padding:0 0 10px}}
@media (max-width:560px){.kv.kv{grid-template-columns:minmax(0,1fr)}}

/* opt-in variants */
.rows.flush{border-top:0}
.rows.flush>li:last-child,.rows.flush>li:last-child>.row{border-bottom:0}
@media (min-width:1101px){.dlist.c3{grid-template-columns:repeat(3,minmax(0,1fr));gap:0 40px}}