@font-face {
  font-family: "Pretendard";
  src: url("./PretendardVariable.woff2") format("woff2");
  font-weight: 45 920;
  font-style: normal;
  font-display: swap;
}
:root {
  --ink-900: #0F172A;
  --ink-700: #1E293B;
  --ink-600: #475569;
  --ink-400: #64748B;
  --ink-200: #CBD5E1;
  --line: #E2E8F0;
  --bg: #FFFFFF;
  --bg-soft: #F8FAFC;
  --bg-dark: #0B1220;
  --primary: #1D4ED8;
  --primary-hover: #1E40AF;
  --accent: #F97316;
  --success: #16A34A;
  --danger: #DC2626;
  --control-blue-start: #4B80E5;
  --control-blue-end: #2858D1;
  --control-blue-border: #2B5FD4;
  --control-white-border: #CCD8E8;
  --control-white-bg: linear-gradient(180deg, #FFFFFF 0%, #F7FAFF 100%);
  --control-white-shadow: inset 0 1px rgba(255,255,255,.95), 0 2px 5px rgba(30,64,175,.07);
  --control-blue-shadow: inset 0 1px rgba(255,255,255,.30), 0 8px 18px rgba(37,84,201,.22);
  --max: 1200px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--ink-900);
  background: var(--bg-soft);
  font-family: "Pretendard", "Noto Sans KR", -apple-system, "Malgun Gothic", sans-serif;
  font-size: 20px;
  line-height: 1.65;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font: inherit; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  min-height: 44px;
  padding: 9px 16px;
  border-radius: 10px;
  color: #fff;
  background: var(--ink-900);
  font-size: 16px;
  font-weight: 700;
  transform: translateY(-140%);
  transition: transform 140ms ease-out;
}
.skip-link:focus { transform: translateY(0); }
main[id] { scroll-margin-top: 92px; }
h1, h2, h3 { margin: 0; font-weight: 800; line-height: 1.18; letter-spacing: -.02em; text-wrap: balance; }
p { margin: 0; }
.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.shell-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: 80px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, .92);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}
.shell-header .container { position: relative; display: flex; align-items: center; justify-content: space-between; height: 100%; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 12px; min-height: 50px; }
.brand-mark { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 11px; color: #fff; background: var(--ink-900); font-size: 18px; font-weight: 900; letter-spacing: -.06em; }
.brand-copy { display: grid; line-height: 1.18; }
.brand-copy strong { white-space: nowrap; font-size: 18px; font-weight: 700; }
.brand-copy small { color: var(--ink-600); font-size: 16px; font-weight: 600; letter-spacing: .04em; }
.shell-nav { display: none; }
.shell-nav a { min-height: 48px; padding: 11px 0; color: var(--ink-600); font-size: 18px; font-weight: 500; }
.shell-nav a:hover, .shell-nav a.active { color: var(--primary); }
.shell-actions { display: flex; align-items: center; margin-left: auto; }
.language-menu { position: relative; display: inline-flex; }
.language-trigger {
  display: grid;
  place-items: center;
  width: 46px;
  height: 50px;
  padding: 0;
  border: 0;
  color: #64748B;
  background: transparent;
  cursor: pointer;
}
.language-trigger:hover,
.language-trigger[aria-expanded="true"] { color: var(--primary); }
.language-icon { position: relative; display: block; width: 19px; height: 19px; border: 1.5px solid currentColor; border-radius: 50%; }
.language-icon::before { position: absolute; top: 2px; bottom: 2px; left: 50%; width: 7px; border-right: 1.5px solid currentColor; border-left: 1.5px solid currentColor; border-radius: 50%; content: ""; transform: translateX(-50%); }
.language-icon::after { position: absolute; top: 50%; right: 2px; left: 2px; border-top: 1.5px solid currentColor; content: ""; transform: translateY(-50%); }
.language-popover {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 70;
  display: grid;
  min-width: 154px;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255,255,255,.98);
  box-shadow: 0 18px 42px rgba(15,23,42,.16);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity 150ms ease-out, visibility 150ms ease-out, transform 150ms ease-out;
}
.language-menu:hover .language-popover,
.language-menu:focus-within .language-popover,
.language-menu.open .language-popover { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0); }
.language-option { width: 100%; min-height: 44px; padding: 9px 12px; border: 0; border-radius: 10px; color: var(--ink-600); background: transparent; text-align: left; font-size: 15px; font-weight: 700; cursor: pointer; }
.language-option:hover,
.language-option:focus-visible { color: var(--primary); background: #EFF6FF; outline: 0; }
.language-option[aria-current="page"] { color: var(--ink-900); background: var(--bg-soft); }
.language-dialog { width: min(calc(100% - 40px), 420px); padding: 0; border: 0; border-radius: 22px; color: var(--ink-900); background: #fff; box-shadow: 0 24px 70px rgba(15,23,42,.22); }
.language-dialog::backdrop { background: rgba(15,23,42,.42); backdrop-filter: blur(4px); }
.language-dialog-inner { display: grid; gap: 22px; padding: 30px; text-align: center; }
.language-dialog p { font-size: 20px; font-weight: 700; }
.language-dialog .button { width: 100%; }
.shell-cta { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 11px 18px; border: 1px solid var(--control-blue-border); border-radius: 12px; color: #fff; background: linear-gradient(145deg, var(--control-blue-start), var(--control-blue-end)); box-shadow: var(--control-blue-shadow); font-size: 18px; font-weight: 700; transition: border-color .16s ease, background .16s ease, box-shadow .16s ease, color .16s ease, transform .16s ease; }
.shell-cta:hover { border-color: #1E4DB8; background: linear-gradient(145deg, #3F73DC, #214BBB); box-shadow: inset 0 1px rgba(255,255,255,.24), 0 10px 22px rgba(37,84,201,.27); transform: translateY(-1px); }
.shell-cta-quiet { color: var(--ink-700); border: 1px solid var(--control-white-border); background: var(--control-white-bg); box-shadow: var(--control-white-shadow); }
.shell-cta-quiet:hover { color: var(--primary); border-color: #7FA6ED; background: linear-gradient(180deg, #FFFFFF, #EEF5FF); box-shadow: inset 0 1px #fff, 0 7px 16px rgba(37,84,201,.13); }
.eyebrow { margin: 0 0 16px; color: var(--primary); font-size: 16px; font-weight: 600; letter-spacing: .06em; }
.page-hero { padding-block: 56px 40px; background: #fff; }
.page-hero h1 { max-width: 900px; font-size: clamp(42px, 8vw, 62px); }
.page-hero p:last-child { max-width: 760px; margin-top: 20px; color: var(--ink-600); }
.page-section { padding-block: 64px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 40px; }
.section-head h2 { font-size: clamp(36px, 6vw, 50px); }
.section-link { min-height: 48px; color: var(--primary); font-size: 18px; font-weight: 700; white-space: nowrap; }
.case-grid { display: grid; gap: 16px; }
.case-card { overflow: hidden; border: 1px solid var(--line); border-radius: 20px; background: #fff; box-shadow: 0 1px 2px rgba(15, 23, 42, .06); }
.case-media { position: relative; overflow: hidden; aspect-ratio: 4 / 3; margin: 0; background: #111; }
.case-media img { width: 100%; height: 100%; object-fit: cover; }
.case-body { padding: 26px; }
.case-meta { color: var(--primary); font-size: 16px; font-weight: 700; }
.case-body h2 { margin-top: 12px; font-size: 29px; }
.case-body p { margin-top: 14px; color: var(--ink-600); font-size: 18px; line-height: 1.55; }
.tool-main { min-height: 100vh; padding-bottom: 48px; }
.tool-intro { padding-block: 24px 18px; }
.tool-intro h1 { font-size: clamp(34px, 6vw, 48px); }
.tool-intro-split { display: flex; align-items: flex-end; justify-content: space-between; gap: 18px; }
.tool-mode-label { margin-bottom: 6px; color: var(--primary); font-size: 15px; font-weight: 800; }
.tool-mode-switch { display: none; min-height: 46px; padding: 9px 14px; border: 1px solid var(--control-white-border); border-radius: 12px; color: var(--ink-700); background: var(--control-white-bg); box-shadow: var(--control-white-shadow); font-size: 16px; font-weight: 700; white-space: nowrap; transition: border-color .16s ease, background .16s ease, box-shadow .16s ease, color .16s ease, transform .16s ease; }
.tool-mode-switch.is-visible { display: inline-flex; align-items: center; }
.tool-mode-switch:hover { color: var(--primary); border-color: #7FA6ED; background: linear-gradient(180deg, #FFFFFF, #EEF5FF); box-shadow: inset 0 1px #fff, 0 7px 16px rgba(37,84,201,.13); transform: translateY(-1px); }
.beginner-only { display: none; }
html.beginner-entry .beginner-only { display: block; }
html.beginner-entry .expert-only { display: none; }
html.beginner-entry .tool-mode-switch { display: inline-flex; align-items: center; }
.tool-notice {
  margin-bottom: 16px;
  padding: 16px 18px;
  border: 1px solid #BFDBFE;
  border-radius: 14px;
  color: #1E3A8A;
  background: #EFF6FF;
  font-size: 18px;
}
.tool-frame {
  display: block;
  width: 100%;
  min-height: 850px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 12px 32px rgba(15, 23, 42, .08);
}
.planner-frame { height: 1200px; min-height: 720px; }
.planner-frame.is-content-sized { min-height: 0; }
.simple-footer { padding-block: 36px; border-top: 1px solid var(--line); color: var(--ink-600); background: #fff; font-size: 16px; }
.simple-footer .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; }
.simple-footer nav { display: flex; flex-wrap: wrap; gap: 10px 18px; font-weight: 600; }
.simple-footer nav a { display: inline-flex; min-height: 44px; align-items: center; }
.error-page { display: grid; place-items: center; min-height: calc(100vh - 80px); padding: 40px 20px; background: #fff; }
.error-card { width: min(100%, 720px); padding: 40px 28px; border: 1px solid var(--line); border-radius: 28px; text-align: center; background: var(--bg-soft); }
.error-code { color: var(--primary); font-size: 18px; font-weight: 800; }
.error-card h1 { margin-top: 16px; font-size: clamp(32px, 8vw, 52px); }
.error-card p { margin: 18px auto 0; max-width: 520px; color: var(--ink-600); }
.error-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 32px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 54px; padding: 14px 20px; border: 1px solid var(--control-white-border); border-radius: 14px; color: var(--ink-700); background: var(--control-white-bg); box-shadow: var(--control-white-shadow); font-size: 18px; font-weight: 700; cursor: pointer; transition: border-color .16s ease, background .16s ease, box-shadow .16s ease, color .16s ease, transform .16s ease; }
.button:hover { color: var(--primary); border-color: #7FA6ED; background: linear-gradient(180deg, #FFFFFF, #EEF5FF); box-shadow: inset 0 1px #fff, 0 7px 16px rgba(37,84,201,.13); transform: translateY(-1px); }
.button-primary { color: #fff; border-color: var(--control-blue-border); background: linear-gradient(145deg, var(--control-blue-start), var(--control-blue-end)); box-shadow: var(--control-blue-shadow); }
.button-primary:hover { color: #fff; border-color: #1E4DB8; background: linear-gradient(145deg, #3F73DC, #214BBB); box-shadow: inset 0 1px rgba(255,255,255,.24), 0 10px 22px rgba(37,84,201,.27); }
.entry-page {
  min-height: 100vh;
  color: #0A1428;
  background:
    radial-gradient(ellipse at 15% 0%, rgba(55,110,205,.11), transparent 34%),
    radial-gradient(ellipse at 100% 100%, rgba(37,99,235,.07), transparent 35%),
    linear-gradient(155deg, #FDFEFF 0%, #F5F7FA 48%, #EEF2F7 100%);
}
.entry-main { display: grid; min-height: calc(100vh - 80px); padding: clamp(40px, 6vh, 70px) 0 clamp(54px, 8vh, 96px); }
.entry-shell { align-self: center; width: min(calc(100% - 80px), 1180px); }
.entry-brand { display: inline-flex; align-items: center; gap: 11px; color: #344158; font-size: 15px; font-weight: 760; letter-spacing: -.025em; }
.entry-brand span { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid rgba(255,255,255,.11); border-radius: 9px; color: #fff; background: linear-gradient(145deg, #162846, #071326); font-size: 12px; font-weight: 900; box-shadow: inset 0 1px rgba(255,255,255,.17), 0 8px 22px rgba(8,20,40,.17); }
.entry-shell h1 { margin: clamp(76px, 10vh, 120px) auto clamp(58px, 7.5vh, 84px); color: #071225; text-align: center; font-size: clamp(52px, 6.4vw, 76px); font-weight: 830; line-height: 1.07; letter-spacing: -.06em; text-wrap: balance; }
.journey-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(20px, 2.3vw, 28px); }
.journey-card {
  position: relative;
  isolation: isolate;
  display: flex;
  min-height: clamp(248px, 29vh, 318px);
  padding: clamp(38px, 4vw, 54px);
  align-items: flex-start;
  flex-direction: column;
  justify-content: flex-start;
  overflow: hidden;
  border: 1px solid rgba(170,185,205,.52);
  border-radius: 25px;
  background: linear-gradient(145deg, rgba(255,255,255,.98), rgba(246,249,253,.9));
  box-shadow: 0 30px 80px rgba(20,34,55,.09), inset 0 1px rgba(255,255,255,.92);
  backdrop-filter: blur(16px);
  transition: border-color 180ms ease-out, transform 180ms ease-out, box-shadow 180ms ease-out;
}
.journey-card::before { position: absolute; z-index: -1; inset: 0; background: linear-gradient(125deg, transparent 54%, rgba(49,130,246,.075) 100%); content: ""; transition: opacity 220ms ease-out; }
.journey-card::after { position: absolute; right: clamp(30px, 3.5vw, 46px); bottom: clamp(30px, 3.5vw, 46px); display: grid; width: 50px; height: 50px; place-items: center; border: 1px solid #D0DBE9; border-radius: 15px; color: #164FC4; background: rgba(255,255,255,.82); box-shadow: 0 10px 24px rgba(15,35,70,.08); font-size: 24px; font-weight: 500; line-height: 1; content: "→"; transition: color 180ms ease-out, transform 180ms ease-out, background 180ms ease-out, box-shadow 180ms ease-out; }
.journey-card strong { max-width: 350px; font-size: clamp(29px, 3vw, 39px); font-weight: 820; line-height: 1.18; letter-spacing: -.045em; }
.journey-beginner { color: #fff; border-color: rgba(143,177,229,.32); background: radial-gradient(circle at 88% 110%, rgba(44,112,230,.72), transparent 44%), linear-gradient(140deg, #10264A 0%, #12366F 54%, #154FA3 100%); box-shadow: 0 34px 84px rgba(11,38,83,.27), inset 0 1px rgba(255,255,255,.18); }
.journey-beginner::before { background: linear-gradient(125deg, rgba(255,255,255,.055), transparent 42%, rgba(102,157,255,.16)); }
.journey-beginner::after { color: #fff; border-color: rgba(255,255,255,.22); background: rgba(255,255,255,.10); box-shadow: 0 12px 28px rgba(3,14,35,.2); }
.journey-card:hover { border-color: #9DB2CF; box-shadow: 0 36px 90px rgba(20,34,55,.14), inset 0 1px rgba(255,255,255,.92); transform: translateY(-4px); }
.journey-card:hover::before { opacity: .72; }
.journey-card:hover::after { color: #fff; background: #164FC4; box-shadow: 0 14px 30px rgba(22,79,196,.24); transform: translateX(4px); }
.journey-beginner:hover { border-color: rgba(152,188,245,.48); box-shadow: 0 40px 96px rgba(11,38,83,.34), inset 0 1px rgba(255,255,255,.2); }
.journey-beginner:hover::after { color: #12366F; background: #fff; }
.journey-card:focus-visible { outline: 3px solid #93B4F8; outline-offset: 4px; }
@media (min-width: 640px) {
  .case-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 768px) {
  .container { width: min(calc(100% - 48px), var(--max)); }
  .page-hero { padding-block: 88px 64px; }
  .page-section { padding-block: 96px; }
  .case-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (min-width: 900px) {
  .shell-nav { position: absolute; left: 50%; display: flex; align-items: center; gap: 28px; transform: translateX(-50%); }
}
@media (max-width: 720px) {
  .entry-shell { width: min(calc(100% - 48px), 1120px); }
  .entry-shell h1 { margin-block: 68px 48px; }
  .journey-grid { grid-template-columns: 1fr; gap: 18px; }
  .journey-card { min-height: 208px; }
}
@media (max-width: 520px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .shell-header .container { gap: 12px; }
  .brand { gap: 9px; }
  .brand-mark { width: 40px; height: 40px; font-size: 16px; }
  .brand-copy strong { font-size: 16px; }
  .brand-copy small { display: none; }
  .language-trigger { width: 44px; }
  .shell-cta { min-height: 46px; padding-inline: 14px; font-size: 16px; }
  .page-hero { padding-block: 40px 28px; }
  .page-hero h1 { font-size: 42px; }
  .section-head { align-items: flex-start; flex-direction: column; gap: 14px; margin-bottom: 28px; }
  .tool-intro h1 { font-size: 36px; }
  .tool-notice { font-size: 16px; }
  .tool-intro-split { align-items: flex-start; flex-direction: column; }
  .entry-main { padding-block: 30px 46px; }
  .entry-shell { width: min(calc(100% - 36px), 1120px); }
  .entry-shell h1 { margin-block: 60px 42px; font-size: 46px; }
  .journey-grid { grid-template-columns: 1fr; gap: 16px; }
  .journey-card { min-height: 190px; padding: 30px; border-radius: 22px; }
  .journey-card strong { font-size: 26px; }
  .journey-card::after { right: 26px; bottom: 26px; width: 44px; height: 44px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}