/* 학원 안내(/academy-info) — 목업(2026-10-14 설계서) 그대로. 색은 랜딩 --ld-* 값과 같아요. */
@font-face {
  font-family: "Pretendard Variable";
  font-weight: 45 920;
  font-display: swap;
  src: url("/public/PretendardVariable.woff2") format("woff2-variations");
}
:root {
  --ai-bg: #ffffff;
  --ai-tint: #f5f7fc;
  --ai-card: #ffffff;
  --ai-ink: #10172e;
  --ai-sub: #5f6883;
  --ai-mute: #6b7590;
  --ai-line: #e6e9f2;
  --ai-line-strong: #cfd5e4;
  --ai-blue: #3d63ff;
  --ai-blue-soft: #eef2ff;
  --ai-blue-ink: #2546d0;
  --ai-night: #070b1d;
  --ai-night-2: #0e1636;
  --ai-gold: #f5c26b;
  --ai-green: #177a55;
  --ai-green-soft: #e6f7ef;
  --ai-amber-soft: #fff5e3;
  --ai-amber-ink: #9a6200;
  --ai-rose-soft: #fdecec;
  --ai-rose-ink: #b23b3b;
  --ai-shadow: 0 10px 30px -18px rgb(16 23 46 / 35%);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ai-bg: #0a0f22;
    --ai-tint: #0e1636;
    --ai-card: #121a3b;
    --ai-ink: #eaeefb;
    --ai-sub: #a7b0cb;
    --ai-mute: #7c86a6;
    --ai-line: #223061;
    --ai-line-strong: #324482;
    --ai-blue: #7d9bff;
    --ai-blue-soft: #1a2654;
    --ai-blue-ink: #b9c8ff;
    --ai-green: #4fd6a3;
    --ai-green-soft: #11372b;
    --ai-amber-soft: #3a2c0f;
    --ai-amber-ink: #f5c26b;
    --ai-rose-soft: #3d1a1f;
    --ai-rose-ink: #ff9d9d;
    --ai-shadow: 0 10px 30px -18px rgb(0 0 0 / 70%);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --ai-bg: #0a0f22;
  --ai-tint: #0e1636;
  --ai-card: #121a3b;
  --ai-ink: #eaeefb;
  --ai-sub: #a7b0cb;
  --ai-mute: #7c86a6;
  --ai-line: #223061;
  --ai-line-strong: #324482;
  --ai-blue: #7d9bff;
  --ai-blue-soft: #1a2654;
  --ai-blue-ink: #b9c8ff;
  --ai-green: #4fd6a3;
  --ai-green-soft: #11372b;
  --ai-amber-soft: #3a2c0f;
  --ai-amber-ink: #f5c26b;
  --ai-rose-soft: #3d1a1f;
  --ai-rose-ink: #ff9d9d;
  --ai-shadow: 0 10px 30px -18px rgb(0 0 0 / 70%);
  color-scheme: dark;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 76px;
}
body {
  margin: 0;
  background: var(--ai-bg);
  color: var(--ai-ink);
  font:
    16px/1.65 "Pretendard Variable",
    Pretendard,
    -apple-system,
    "Apple SD Gothic Neo",
    "Malgun Gothic",
    sans-serif;
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;
  overflow-x: clip;
}
a {
  color: inherit;
}
.num {
  font-variant-numeric: tabular-nums;
}

/* 위쪽 메뉴 */
.ai-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 14px;
  height: 64px;
  padding: 0 max(16px, calc((100% - 1040px) / 2));
  background: color-mix(in srgb, var(--ai-bg) 86%, transparent);
  backdrop-filter: saturate(1.6) blur(14px);
  box-shadow: 0 1px 0 var(--ai-line);
}
.ai-brand {
  display: grid;
  line-height: 1.1;
  text-decoration: none;
}
.ai-brand b {
  font-size: 18px;
  letter-spacing: -0.03em;
}
.ai-brand small {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--ai-sub);
}
.ai-nav-links {
  display: flex;
  gap: 2px;
  margin-left: auto;
}
.ai-nav-links a {
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ai-sub);
  text-decoration: none;
}
.ai-nav-links a:hover {
  background: var(--ai-tint);
  color: var(--ai-ink);
}
.ai-login {
  padding: 9px 16px;
  border-radius: 12px;
  background: var(--ai-ink);
  color: var(--ai-bg);
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}

/* 머리 */
.ai-wrap {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 16px 72px;
}
.ai-head {
  padding: 56px 0 28px;
}
.ai-kicker {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--ai-blue);
}
.ai-head h1 {
  margin: 0;
  font-size: clamp(32px, 5vw, 46px);
  line-height: 1.15;
  letter-spacing: -0.03em;
}
.ai-head .ai-lead {
  margin: 14px 0 0;
  font-size: 17px;
  color: var(--ai-sub);
}
/* 관 목록: 교습비는 세 관 공통 */
.ai-campus {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}
.ai-campus li {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 2px 10px;
  padding: 12px 14px;
  border: 1px solid var(--ai-line);
  border-radius: 14px;
  background: var(--ai-card);
}
.ai-campus li b {
  font-size: 15px;
  letter-spacing: -0.01em;
}
.ai-campus li small {
  grid-column: 2;
  font-size: 13px;
  color: var(--ai-sub);
}
.ai-campus .no,
.ai-reg-title .no {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--ai-blue);
  color: #fff;
  font-size: 13px;
  font-weight: 900;
}
.ai-campus li .no {
  grid-row: span 2;
}
.ai-common {
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--ai-blue-soft);
  color: var(--ai-blue-ink);
  font-size: 13px;
  font-weight: 800;
}
.ai-reg-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  font-size: 16px;
}
.ai-reg + .ai-reg-title {
  margin-top: 18px;
}
.nowrap {
  white-space: nowrap;
}
.ai-regline {
  font-size: 12.5px;
}
.ai-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 18px;
}
.ai-toc a {
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--ai-tint);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ai-sub);
  text-decoration: none;
}

/* 공통 섹션 */
.ai-section {
  margin-top: 36px;
  padding-top: 32px;
  border-top: 1px solid var(--ai-line);
}
.ai-section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  margin-bottom: 18px;
}
.ai-section-head h2 {
  margin: 0;
  font-size: 24px;
  letter-spacing: -0.02em;
}
.ai-section-head .meta {
  font-size: 13.5px;
  color: var(--ai-mute);
}
.ai-card {
  border: 1px solid var(--ai-line);
  border-radius: 16px;
  background: var(--ai-card);
}

/* 교습비 */
.ai-prices {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.ai-price {
  position: relative;
  padding: 22px 22px 20px;
  box-shadow: var(--ai-shadow);
}
.ai-price .lvl {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--ai-blue-soft);
  color: var(--ai-blue-ink);
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: 0.02em;
}
.ai-price h3 {
  margin: 12px 0 2px;
  font-size: 19px;
  letter-spacing: -0.02em;
}
.ai-price .amt {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-top: 8px;
}
.ai-price .amt b {
  font-size: 34px;
  font-weight: 850;
  letter-spacing: -0.04em;
  line-height: 1;
}
.ai-price .amt span {
  font-size: 15px;
  color: var(--ai-sub);
}
.ai-price .unit {
  margin: 10px 0 0;
  font-size: 13.5px;
  color: var(--ai-sub);
}
.ai-extras {
  margin-top: 14px;
  padding: 16px 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  background: var(--ai-tint);
  border-color: transparent;
}
.ai-extras .tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--ai-green-soft);
  color: var(--ai-green);
  font-size: 13.5px;
  font-weight: 800;
}
.ai-extras ul {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 0;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  color: var(--ai-sub);
}
.ai-extras li {
  white-space: nowrap;
}
.ai-extras li:not(:last-child)::after {
  content: "·";
  margin: 0 8px;
  color: var(--ai-mute);
}
.ai-note {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ai-mute);
}

/* 등록 정보 */
.ai-reg {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  overflow: hidden;
}
.ai-reg > div {
  display: grid;
  grid-template-columns: 128px 1fr;
  gap: 12px;
  padding: 15px 20px;
  border-top: 1px solid var(--ai-line);
}
.ai-reg > div:nth-child(-n + 2) {
  border-top: 0;
}
.ai-reg > div:nth-child(odd) {
  border-right: 1px solid var(--ai-line);
}
.ai-reg dt {
  margin: 0;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--ai-sub);
}
.ai-reg dd {
  margin: 0;
  font-size: 15.5px;
  font-weight: 600;
}
.ai-reg dd small {
  display: block;
  margin-top: 2px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ai-sub);
}
.ai-reg .wide {
  grid-column: 1 / -1;
  border-right: 0 !important;
}

/* 반환기준 — 한눈에 */
.ai-refund-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 14px;
}
.ai-steps {
  padding: 20px 22px 18px;
}
.ai-steps h3,
.ai-side h3 {
  margin: 0 0 4px;
  font-size: 17px;
  letter-spacing: -0.01em;
}
.ai-steps .sub,
.ai-side .sub {
  margin: 0 0 14px;
  font-size: 13.5px;
  color: var(--ai-sub);
}
.ai-steps ol {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}
.ai-steps li {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--ai-tint);
}
.ai-steps li b {
  font-size: 15px;
  font-weight: 600;
}
.ai-steps li small {
  display: block;
  margin-top: 1px;
  font-size: 12.5px;
  color: var(--ai-sub);
}
.ai-ratio {
  display: inline-grid;
  place-items: center;
  min-width: 64px;
  height: 36px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 900;
  letter-spacing: -0.01em;
}
.ai-ratio.full {
  background: var(--ai-green-soft);
  color: var(--ai-green);
}
.ai-ratio.two {
  background: var(--ai-blue-soft);
  color: var(--ai-blue-ink);
}
.ai-ratio.half {
  background: var(--ai-amber-soft);
  color: var(--ai-amber-ink);
}
.ai-ratio.none {
  background: var(--ai-rose-soft);
  color: var(--ai-rose-ink);
}
.ai-side {
  padding: 20px 22px 18px;
  background: var(--ai-tint);
  border-color: transparent;
  display: grid;
  align-content: start;
  gap: 10px;
}
.ai-side p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
}
.ai-side p b {
  display: block;
  margin-bottom: 2px;
  font-size: 14px;
  color: var(--ai-blue-ink);
}
.ai-side .pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
  padding: 10px 14px;
  border-radius: 12px;
  background: var(--ai-card);
  border: 1px solid var(--ai-line);
  font-size: 14.5px;
  font-weight: 700;
}
.ai-side .pill i {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--ai-blue);
  color: #fff;
  font-style: normal;
  font-size: 13px;
  font-weight: 900;
}

/* 반환기준 — 전문 */
.ai-full {
  margin-top: 14px;
  overflow: hidden;
}
.ai-full summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
  list-style: none;
}
.ai-full summary::-webkit-details-marker {
  display: none;
}
.ai-full summary small {
  font-size: 13px;
  font-weight: 500;
  color: var(--ai-sub);
}
.ai-full summary::after {
  content: "";
  margin-left: auto;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--ai-sub);
  border-bottom: 2px solid var(--ai-sub);
  transform: rotate(45deg);
  transition: transform 0.15s;
}
.ai-full[open] summary::after {
  transform: rotate(-135deg);
}
.ai-full-body {
  padding: 4px 20px 20px;
  border-top: 1px solid var(--ai-line);
}
.ai-full-body h4 {
  margin: 18px 0 8px;
  font-size: 15px;
}
.ai-table-wrap {
  overflow-x: auto;
  margin-top: 12px;
}
table.ai-law {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  line-height: 1.55;
}
.ai-law th,
.ai-law td {
  padding: 9px 10px;
  border: 1px solid var(--ai-line);
  text-align: left;
  vertical-align: top;
}
.ai-law th {
  background: var(--ai-tint);
  font-weight: 800;
  white-space: nowrap;
}
.ai-law td.k {
  font-weight: 600;
}
.ai-law td.amt {
  min-width: 220px;
}
.ai-law .frac {
  white-space: nowrap;
}
.ai-list {
  margin: 0;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.65;
}
.ai-list li + li {
  margin-top: 4px;
}
.ai-sign {
  margin: 14px 0 0;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--ai-tint);
  font-size: 13.5px;
  color: var(--ai-sub);
}
.ai-stack {
  display: none;
}

/* 아래 */
.ai-foot {
  margin-top: 48px;
  padding: 36px max(16px, calc((100% - 1040px) / 2)) 48px;
  background: var(--ai-night);
  color: rgb(255 255 255 / 62%);
  font-size: 13.5px;
}
.ai-foot b {
  color: #fff;
  font-size: 16px;
}
.ai-foot p {
  margin: 8px 0 0;
}
.ai-foot a {
  color: rgb(255 255 255 / 82%);
  text-decoration: none;
}
.ai-foot .links a + a::before {
  content: "·";
  margin: 0 8px;
  color: rgb(255 255 255 / 40%);
}

/* 휴대폰 */
@media (max-width: 760px) {
  .ai-nav-links {
    display: none;
  }
  .ai-nav .ai-login {
    margin-left: auto;
  }
  .ai-head {
    padding: 34px 0 22px;
  }
  .ai-campus,
  .ai-prices,
  .ai-refund-grid,
  .ai-reg {
    grid-template-columns: 1fr;
  }
  .ai-reg > div {
    grid-template-columns: 108px 1fr;
    border-right: 0 !important;
  }
  .ai-reg > div:nth-child(2) {
    border-top: 1px solid var(--ai-line);
  }
  .ai-price .amt b {
    font-size: 30px;
  }
  .ai-table-wrap {
    display: none;
  }
  .ai-stack {
    display: grid;
    gap: 10px;
    margin-top: 12px;
  }
  .ai-stack > section {
    padding: 12px 14px;
    border: 1px solid var(--ai-line);
    border-radius: 12px;
  }
  .ai-stack h5 {
    margin: 0 0 6px;
    font-size: 14.5px;
  }
  .ai-stack h6 {
    margin: 10px 0 4px;
    font-size: 13.5px;
    color: var(--ai-blue-ink);
  }
  .ai-stack p {
    margin: 0 0 4px;
    font-size: 13.5px;
    line-height: 1.55;
  }
  .ai-stack p span {
    display: block;
    font-size: 12px;
    font-weight: 700;
    color: var(--ai-mute);
  }
  .ai-stack ul {
    margin: 4px 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 4px;
  }
  .ai-stack ul li {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 10px;
    padding: 8px 10px;
    border-radius: 8px;
    background: var(--ai-tint);
    font-size: 13px;
    line-height: 1.5;
  }
  .ai-stack ul li em {
    font-style: normal;
    font-weight: 700;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* 구현 보강 */
.ai-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.ai-copy {
  font-size: 12.5px;
  opacity: 0.8;
}
.ai-table-scroll {
  overflow-x: auto;
  margin-top: 14px;
}
.ai-extras-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  font-size: 14px;
}
.ai-extras-table caption {
  padding: 0 0 8px;
  font-weight: 800;
  text-align: left;
}
.ai-extras-table th,
.ai-extras-table td {
  padding: 10px 14px;
  border-top: 1px solid var(--ai-line);
  text-align: left;
}
.ai-extras-table thead th {
  border-top: 0;
  background: var(--ai-tint);
  color: var(--ai-sub);
}
.ai-nav a:focus-visible,
.ai-toc a:focus-visible,
.ai-full summary:focus-visible,
.ai-wrap a:focus-visible,
.ai-foot a:focus-visible {
  outline: 2px solid var(--ai-blue);
  outline-offset: 2px;
}
.ai-head .ai-lead a {
  color: var(--ai-blue-ink);
  font-weight: 700;
}
.ai-foot a:hover {
  color: #fff;
}