:root {
  --sf-bg: #f6f8f3;
  --sf-surface: #fff;
  --sf-ink: #202624;
  --sf-muted: #66706c;
  --sf-line: #dce3d7;
  --sf-lime: #a7dd22;
  --sf-lime-soft: #edf7c7;
  --sf-green: #4f8709;
  --sf-radius: 18px;
}

.subpage-main {
  color: var(--sf-ink);
  background: var(--sf-bg);
  font-family: "Pretendard Variable", Pretendard, "Noto Sans KR", Arial, sans-serif;
  letter-spacing: 0;
  line-height: 1.65;
  word-break: keep-all;
}

.subpage-main *,
.subpage-main *::before,
.subpage-main *::after { box-sizing: border-box; }
.subpage-main img { display: block; max-width: 100%; }
.subpage-main svg { width: 22px; height: 22px; stroke-width: 1.8; }
.sf-shell { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }

body:has(.subpage-main) .nav-links {
  gap: 8px;
}
body:has(.subpage-main) .nav-links > a:not(.mobile-menu-apply),
body:has(.subpage-main) .nav-dropdown > summary,
body:has(.subpage-main) .nav-group > summary {
  min-height: 40px;
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--sf-line);
  border-radius: 999px;
  background: #fff;
  color: var(--sf-muted);
  font-size: 13px;
  font-weight: 800;
}
body:has(.subpage-main) .nav-links > a:not(.mobile-menu-apply)::after { display: none; }
body:has(.subpage-main) .nav-dropdown > summary::after { margin-left: 9px; }
body:has(.subpage-main) .nav-dropdown:has(a[aria-current="page"]) > summary,
body:has(.subpage-main) .nav-group:has(a[aria-current="page"]) > summary,
body:has(.subpage-main) .nav-links > a[aria-current="page"] {
  border-color: var(--sf-ink);
  background: var(--sf-ink);
  color: #fff;
}

.subpage-categories {
  padding: 10px 0;
  background: var(--sf-bg);
  border-bottom: 1px solid var(--sf-line);
}
.subpage-categories .sf-shell {
  display: flex;
  justify-content: center;
  gap: 8px;
}
.subpage-categories a {
  min-height: 38px;
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--sf-line);
  border-radius: 999px;
  background: var(--sf-surface);
  color: var(--sf-muted);
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}
.subpage-categories a[aria-current="page"] {
  border-color: var(--sf-ink);
  background: var(--sf-ink);
  color: #fff;
}

.sf-hero { padding: 34px 0 36px; border-bottom: 1px solid var(--sf-line); }
.sf-hero-stage {
  min-height: 560px;
  position: relative;
  overflow: hidden;
  display: grid;
  align-items: center;
  border: 1px solid var(--sf-line);
  border-radius: 20px;
  background: #fff8ed;
}
.sf-hero-stage > img {
  position: absolute;
  inset: 0 0 0 auto;
  width: auto;
  height: 100%;
  max-width: none;
  object-fit: contain;
  object-position: right center;
}
.sf-hero-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(90deg, #fff8ed 0%, rgb(255 248 237 / .98) 37%, rgb(255 248 237 / .82) 48%, transparent 64%);
}
.sf-hero-copy { position: relative; z-index: 2; width: 52%; padding: 54px; }
.sf-eyebrow { margin: 0 0 14px; color: var(--sf-green); font-size: 12px; font-weight: 900; text-transform: uppercase; }
.sf-hero h1 { margin: 0 0 20px; font-size: clamp(40px, 4.15vw, 58px); line-height: 1.08; letter-spacing: 0; }
.sf-hero h1 span,
.sf-hero h1 strong { display: block; white-space: nowrap; }
.sf-hero h1 strong,
.sf-section h2 strong { color: var(--sf-green); }
.sf-hero-copy > p:not(.sf-eyebrow) { max-width: 470px; margin: 0 0 24px; color: #46524d; font-size: 17px; }
.sf-actions { display: flex; gap: 10px; }
.sf-button {
  min-height: 48px;
  padding: 0 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--sf-line);
  border-radius: 999px;
  background: #fff;
  color: var(--sf-ink);
  font-size: 15px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}
.sf-button-primary { border-color: transparent; background: var(--sf-lime); color: #17230d; }

.sf-section { padding: 92px 0; background: #fff; }
.sf-section-tint { background: var(--sf-bg); }
.sf-section-head { max-width: 760px; margin: 0 auto 44px; text-align: center; }
.sf-index { display: block; margin-bottom: 9px; color: var(--sf-lime); font-size: 46px; font-weight: 900; line-height: 1; }
.sf-section h2 { margin: 0 0 16px; font-size: clamp(34px, 4vw, 48px); line-height: 1.16; letter-spacing: 0; }
.sf-section-head > p:not(.sf-eyebrow) { margin: 0; color: var(--sf-muted); font-size: 16px; }

.sf-flow { display: grid; grid-template-columns: repeat(4, 1fr); border-block: 1px solid var(--sf-line); }
.sf-flow-item { min-height: 180px; padding: 28px 24px; border-right: 1px solid var(--sf-line); }
.sf-flow-item:last-child { border-right: 0; }
.sf-icon {
  width: 44px;
  height: 44px;
  margin-bottom: 20px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--sf-lime-soft);
  color: var(--sf-green);
}
.sf-flow-item b,
.sf-tool b { display: block; margin-bottom: 8px; font-size: 19px; }
.sf-flow-item p,
.sf-tool p { margin: 0; color: var(--sf-muted); font-size: 14px; }

.sf-tools { display: grid; grid-template-columns: 1.15fr .85fr; gap: 18px; }
.sf-tool-feature,
.sf-tool-stack { border: 1px solid var(--sf-line); border-radius: var(--sf-radius); background: #fff; }
.sf-tool-feature { padding: 36px; display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center; }
.sf-tool-feature h3 { margin: 0 0 10px; font-size: 26px; line-height: 1.3; }
.sf-tool-feature > div > p { margin: 0; color: var(--sf-muted); }
.sf-tool-stack { display: grid; }
.sf-tool { padding: 24px; display: grid; grid-template-columns: 44px 1fr; gap: 16px; align-items: start; border-bottom: 1px solid var(--sf-line); }
.sf-tool:last-child { border-bottom: 0; }
.sf-tool .sf-icon { margin: 0; }

.sf-course-list { border-top: 1px solid var(--sf-ink); }
.sf-course-row {
  min-height: 112px;
  display: grid;
  grid-template-columns: 74px 1fr 1.2fr auto;
  align-items: center;
  gap: 24px;
  border-bottom: 1px solid var(--sf-line);
  color: inherit;
  text-decoration: none;
}
.sf-course-row .sf-number { color: var(--sf-green); font-size: 28px; font-weight: 900; }
.sf-course-row h3 { margin: 0; font-size: 24px; }
.sf-course-row p { margin: 0; color: var(--sf-muted); }
.sf-course-row .sf-icon { margin: 0; }

.sf-conditions { display: grid; grid-template-columns: repeat(4, 1fr); overflow: hidden; border: 1px solid var(--sf-line); border-radius: var(--sf-radius); background: #fff; }
.sf-condition { padding: 28px; border-right: 1px solid var(--sf-line); }
.sf-condition:last-child { border-right: 0; }
.sf-condition .sf-icon { margin-bottom: 16px; }
.sf-condition b { display: block; font-size: 18px; }
.sf-condition small { color: var(--sf-muted); }

.sf-process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.sf-process-step { min-height: 168px; padding: 25px; border: 1px solid var(--sf-line); border-radius: var(--sf-radius); background: #fff; }
.sf-process-step em { color: var(--sf-green); font-style: normal; font-size: 12px; font-weight: 900; }
.sf-process-step b { display: block; margin: 24px 0 8px; font-size: 20px; }
.sf-process-step p { margin: 0; color: var(--sf-muted); font-size: 14px; }

.sf-faq-layout { display: grid; grid-template-columns: 260px 1fr; gap: 36px; align-items: start; }
.sf-faq-categories { position: sticky; top: 110px; display: grid; gap: 8px; }
.sf-faq-chip { padding: 14px 16px; border: 1px solid var(--sf-line); border-radius: 12px; background: #fff; color: var(--sf-muted); font-weight: 800; }
.sf-faq-chip:first-child { border-color: var(--sf-lime); background: var(--sf-lime-soft); color: var(--sf-ink); }
.sf-faq-item { border-top: 1px solid var(--sf-line); }
.sf-faq-item:last-child { border-bottom: 1px solid var(--sf-line); }
.sf-faq-item summary { padding: 23px 4px; display: grid; grid-template-columns: 28px 1fr auto; gap: 14px; align-items: center; font-size: 18px; font-weight: 800; cursor: pointer; list-style: none; }
.sf-faq-item summary::-webkit-details-marker { display: none; }
.sf-faq-item summary span:first-child { color: var(--sf-green); }
.sf-faq-item p { padding: 0 48px 24px; margin: 0; color: var(--sf-muted); }

.sf-note { margin-top: 36px; padding: 24px 28px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-radius: var(--sf-radius); background: var(--sf-ink); color: #fff; }
.sf-note b { display: block; margin-bottom: 4px; }
.sf-note p { margin: 0; color: #cbd3cf; }
.sf-note strong { color: var(--sf-lime); }
.sf-final { padding: 78px 0; background: var(--sf-lime); text-align: center; }
.sf-final h2 { max-width: 780px; margin: 0 auto 14px; font-size: clamp(34px, 4vw, 48px); line-height: 1.18; }
.sf-final p { margin: 0 0 24px; color: #3d521b; }
.sf-final .sf-button { border-color: var(--sf-ink); background: var(--sf-ink); color: #fff; }

@media (max-width: 780px) {
  .sf-shell { width: min(100% - 28px, 1180px); }
  .subpage-categories { overflow-x: auto; }
  .subpage-categories { scrollbar-width: none; }
  .subpage-categories::-webkit-scrollbar { display: none; }
  .subpage-categories .sf-shell { width: max-content; min-width: 100%; padding-inline: 14px; justify-content: flex-start; }
  .sf-hero { padding: 14px 0 18px; }
  .sf-hero-stage { min-height: 0; align-items: start; isolation: isolate; }
  .sf-hero-stage > img {
    inset: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 1;
  }
  .sf-hero-stage::after {
    background: linear-gradient(180deg, rgb(255 248 237 / .98) 0%, rgb(255 248 237 / .9) 48%, rgb(255 248 237 / .42) 100%);
  }
  .sf-hero-copy { width: 100%; padding: 32px 24px 28px; text-align: center; }
  .sf-hero h1 { font-size: clamp(29px, 8.5vw, 34px); }
  .sf-hero-copy > p:not(.sf-eyebrow) { margin-inline: auto; font-size: 14px; }
  .sf-actions { flex-direction: column; }
  .sf-section { padding: 66px 0; }
  .sf-section-head { margin-bottom: 28px; }
  .sf-index { font-size: 38px; }
  .sf-section h2 { font-size: 34px; }
  .sf-section-head > p:not(.sf-eyebrow) { font-size: 14px; }
  .sf-flow { grid-template-columns: 1fr 1fr; }
  .sf-flow-item { min-height: 152px; padding: 20px 16px; }
  .sf-flow-item:nth-child(2) { border-right: 0; }
  .sf-flow-item:nth-child(-n+2) { border-bottom: 1px solid var(--sf-line); }
  .sf-tools,
  .sf-tool-feature { grid-template-columns: 1fr; }
  .sf-tool-feature { padding: 24px; gap: 18px; }
  .sf-course-list { display: flex; gap: 12px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 0 14px 12px; margin-inline: -14px; border-top: 0; }
  .sf-course-row { flex: 0 0 82%; min-height: 220px; padding: 24px; display: grid; grid-template-columns: 1fr auto; grid-template-rows: auto auto 1fr; gap: 12px; border: 1px solid var(--sf-line); border-radius: var(--sf-radius); background: #fff; scroll-snap-align: center; }
  .sf-course-row h3,
  .sf-course-row p { grid-column: 1 / -1; }
  .sf-conditions { grid-template-columns: 1fr 1fr; }
  .sf-condition { padding: 19px; }
  .sf-condition:nth-child(2) { border-right: 0; }
  .sf-condition:nth-child(-n+2) { border-bottom: 1px solid var(--sf-line); }
  .sf-process { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; }
  .sf-process-step { flex: 0 0 78%; min-height: 150px; scroll-snap-align: center; }
  .sf-faq-layout { grid-template-columns: 1fr; gap: 20px; }
  .sf-faq-categories { position: static; display: flex; overflow-x: auto; }
  .sf-faq-chip { white-space: nowrap; }
  .sf-faq-item summary { padding-block: 20px; font-size: 16px; }
  .sf-faq-item p { padding: 0 42px 20px; font-size: 14px; }
  .sf-note { align-items: flex-start; flex-direction: column; }
  .sf-final { padding: 60px 0; }
}

@media (max-width: 860px) {
  body:has(.subpage-main) .nav-links { gap: 0; }
  body:has(.subpage-main) .nav-links > a:not(.mobile-menu-apply),
  body:has(.subpage-main) .nav-dropdown > summary,
  body:has(.subpage-main) .nav-group > summary {
    width: 100%;
    min-height: 0;
    padding: 17px 4px;
    justify-content: flex-start;
    border: 0;
    border-bottom: 1px solid var(--sf-line);
    border-radius: 0;
    background: transparent;
    color: var(--sf-muted);
    font-size: 18px;
    line-height: 1.7;
  }
  body:has(.subpage-main) .nav-dropdown:has(a[aria-current="page"]) > summary,
  body:has(.subpage-main) .nav-group:has(a[aria-current="page"]) > summary,
  body:has(.subpage-main) .nav-links > a[aria-current="page"] {
    background: transparent;
    color: var(--sf-ink);
  }
}