/* =========================================================
   디코입시학원 — 고등부 입시학원 홈페이지 디자인 샘플 (가상)
   계획서: ../_plan.md · 생성기: ../_build/build.py
   원칙: 흰 교재 종이 + 표지 페트롤. 형광펜 노랑은 히어로 밑줄·지금 고른 인덱스 플래그·「오늘」 표시에만.
   과목 색(수학·국어·영어)은 시간표·반 구분에만, 수준은 면 채움(기본 테두리 / 표준 옅은 면 / 심화 진한 면).
   2차 메뉴 = 교재 윗변에 꽂힌 인덱스 플래그(.flags), 서브 머리 = 교재 단원 표지(.sub-head).
   ========================================================= */
:root {
  --paper: #FFFFFF;            /* 흰 교재 종이 — 바탕 */
  --paper-tint: #F3F7F7;       /* 책상 위 회청 — 보조 면 */
  --rule: #DCE6E7;             /* 교재 괘선 */
  --ink: #13242B;              /* 인쇄 먹 — 제목 */
  --text: #22343B;             /* 본문 */
  --ink-soft: #4B5F66;         /* 보조 글자 (흰 바탕 6.4:1) */
  --petrol: #0E5E6F;           /* 표지 페트롤 — 주 버튼·현재 표시 */
  --petrol-deep: #083A45;      /* 표지 안쪽 — 서브 머리·상담 띠 */
  --petrol-ink: #062A32;       /* 푸터 */
  --petrol-pale: #E3EFF1;      /* 옅은 페트롤 — 선택 면 */
  --marker: #FFE14D;           /* 형광펜 */
  --c-math: #0E5E6F; --c-math-t: #DDEEF1;
  --c-kor: #A8442B;  --c-kor-t: #F8E4DD;
  --c-eng: #4552A0;  --c-eng-t: #E3E6F6;
  --c-primary: var(--petrol);

  --font-body: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
  --font-num: "Literata", "Pretendard Variable", Georgia, serif;
  --font-pen: "Nanum Pen Script", "Pretendard Variable", cursive;

  --fs-body: 1.0625rem;
  --wrap: 1240px;
  --gutter: clamp(16px, 4vw, 44px);
  --header-h: 76px;
  --flags-h: 56px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --shadow-paper: 0 1px 2px rgba(8, 58, 69, .06), 0 18px 40px -18px rgba(8, 58, 69, .28);
}
@media (max-width: 1023px) { :root { --header-h: 62px; --flags-h: 52px; } }

/* ---------- 기본 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + var(--flags-h) + 24px); }
body {
  margin: 0; font-family: var(--font-body); font-size: var(--fs-body); line-height: 1.75; letter-spacing: -0.01em;
  color: var(--text); background: var(--paper); word-break: keep-all; overflow-wrap: anywhere; overflow-x: clip;
}
h1, h2, h3 { margin: 0; color: var(--ink); line-height: 1.3; letter-spacing: -0.03em; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }
ul, ol, dl, dd { margin: 0; padding: 0; }
ul[role="list"], ol[role="list"] { list-style: none; }
figure, blockquote { margin: 0; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; letter-spacing: inherit; color: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--petrol); outline-offset: 3px; }
table { border-collapse: collapse; }
fieldset { margin: 0; padding: 0; border: 0; min-width: 0; }
code { font-family: var(--font-num); font-size: .9em; padding: 0 4px; background: var(--paper-tint); border-radius: 3px; }

.wrap { width: min(100% - var(--gutter) * 2, var(--wrap)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: 16px; top: -60px; z-index: 300; padding: 10px 16px; background: var(--petrol); color: #fff; }
.skip-link:focus { top: 12px; }
[lang="en"] { font-family: var(--font-num); letter-spacing: 0; }
.num { font-family: var(--font-num); font-variant-numeric: lining-nums tabular-nums; letter-spacing: 0; }
.ph { display: inline-block; padding: 0 6px; border: 1px dashed currentColor; border-radius: 3px; font-size: .88em; opacity: .8; letter-spacing: 0; line-height: 1.5; }
.i { width: 18px; height: 18px; flex: none; }
.note { margin-top: 22px; font-size: .9rem; color: var(--ink-soft); line-height: 1.65; }
.note a { color: var(--petrol); text-decoration: underline; text-underline-offset: 3px; }
.btns { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }

/* ---------- 버튼 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em; min-height: 52px; padding: 0 22px;
  border: 1.5px solid transparent; border-radius: 4px; font-weight: 700; font-size: 1rem; line-height: 1.2; white-space: nowrap;
  transition: background-color .2s, color .2s, border-color .2s, transform .2s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn--petrol { background: var(--petrol); border-color: var(--petrol); color: #fff; }
.btn--petrol:hover { background: var(--petrol-deep); border-color: var(--petrol-deep); }
.btn--line { border-color: var(--ink); background: #fff; color: var(--ink); }
.btn--line:hover { background: var(--ink); color: #fff; }
.btn--kakao { background: #FEE500; border-color: #FEE500; color: #191919; }
.btn--kakao:hover { background: #F2D900; }
.btn--lg { min-height: 58px; padding: 0 26px; font-size: 1.0625rem; }
.btn--sm { min-height: 42px; padding: 0 15px; font-size: .9375rem; }
.btn--xs { min-height: 34px; padding: 0 12px; font-size: .875rem; }
.btn.is-ph { cursor: default; }
.link-more { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; color: var(--petrol); border-bottom: 2px solid currentColor; padding-bottom: 2px; white-space: nowrap; }
.link-more .i { transition: transform .25s var(--ease); }
.link-more:hover .i { transform: translateX(4px); }

/* 과목·수준 표시 */
.sj { display: inline-flex; align-items: center; gap: 6px; font-size: .8125rem; font-weight: 800; white-space: nowrap; }
.sj::before { content: ""; width: 9px; height: 9px; border-radius: 2px; background: currentColor; }
.sj--math { color: var(--c-math); } .sj--kor { color: var(--c-kor); } .sj--eng { color: var(--c-eng); }
.lv { display: inline-flex; align-items: center; height: 22px; padding: 0 7px; border-radius: 3px; font-size: .75rem; font-weight: 800; white-space: nowrap; letter-spacing: 0; }
.lv--basic { border: 1.5px solid var(--ink-soft); color: var(--ink-soft); }
.lv--std { background: var(--petrol-pale); color: var(--petrol-deep); }
.lv--adv { background: var(--ink); color: #fff; }
.cate { display: inline-flex; align-items: center; height: 24px; padding: 0 9px; border: 1px solid var(--rule); border-radius: 3px; background: #fff; color: var(--ink); font-size: .8125rem; font-weight: 700; white-space: nowrap; }
.st { display: inline-flex; align-items: center; gap: 5px; font-size: .8125rem; font-weight: 800; }
.st::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.st--ok { color: var(--petrol); } .st--wait { color: var(--ink-soft); }

/* ---------- 안내 띠 ---------- */
.sample-banner { background: var(--petrol-ink); color: rgba(255, 255, 255, .86); font-size: .8125rem; line-height: 1.5; }
.sample-banner__inner { display: flex; align-items: center; gap: 10px; padding-block: 8px; }
.sample-banner__tag { flex: none; padding: 2px 9px; border-radius: 3px; background: var(--marker); color: var(--ink); font-weight: 800; font-size: .75rem; }
.sample-banner__link { color: #fff; text-decoration: underline; text-underline-offset: 3px; }

/* ---------- 헤더 ---------- */
.site-header { position: sticky; top: 0; z-index: 100; background: #fff; color: var(--ink); border-bottom: 1px solid var(--rule); transition: box-shadow .2s; }
.site-header.is-scrolled { box-shadow: 0 6px 18px rgba(8, 58, 69, .08); }
.site-header__inner { --wrap: 1440px; display: flex; align-items: center; justify-content: space-between; gap: 18px; height: var(--header-h); }
.logo { display: inline-flex; align-items: center; gap: 10px; flex: none; color: var(--petrol); }
.logo__mark { width: 38px; height: 38px; }
.logo__text { display: flex; flex-direction: column; line-height: 1.12; }
.logo__ko { font-weight: 800; font-size: 1.1875rem; letter-spacing: -0.045em; color: var(--ink); }
.logo__en { font-size: .72rem; font-weight: 600; letter-spacing: .06em; color: var(--ink-soft); }
.gnb { align-self: stretch; flex: 1; max-width: 860px; margin: 0 clamp(10px, 2vw, 40px); }
.gnb__list { display: flex; justify-content: space-between; height: 100%; }
.gnb__item { position: relative; display: flex; flex-direction: column; flex: 1 1 0; }
.gnb__link { position: relative; display: flex; align-items: center; justify-content: center; height: var(--header-h); padding: 0 6px; font-size: 1.0625rem; font-weight: 700; white-space: nowrap; }
.gnb__link::after { content: ""; position: absolute; left: 22%; right: 22%; bottom: 22px; height: 8px; background: var(--marker); z-index: -1; transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease); }
.gnb__item:hover > .gnb__link::after, .gnb__item:focus-within > .gnb__link::after { transform: none; }
body[data-group="about"] .gnb__item[data-group="about"] > .gnb__link,
body[data-group="subjects"] .gnb__item[data-group="subjects"] > .gnb__link,
body[data-group="classes"] .gnb__item[data-group="classes"] > .gnb__link,
body[data-group="admission"] .gnb__item[data-group="admission"] > .gnb__link,
body[data-group="care"] .gnb__item[data-group="care"] > .gnb__link,
body[data-group="news"] .gnb__item[data-group="news"] > .gnb__link { color: var(--petrol); }
body[data-group="about"] .gnb__item[data-group="about"] > .gnb__link::after,
body[data-group="subjects"] .gnb__item[data-group="subjects"] > .gnb__link::after,
body[data-group="classes"] .gnb__item[data-group="classes"] > .gnb__link::after,
body[data-group="admission"] .gnb__item[data-group="admission"] > .gnb__link::after,
body[data-group="care"] .gnb__item[data-group="care"] > .gnb__link::after,
body[data-group="news"] .gnb__item[data-group="news"] > .gnb__link::after { transform: none; }
.gnb__sub { position: absolute; top: calc(var(--header-h) + 1px); left: 0; right: 0; z-index: 2; padding: 18px 0 24px; text-align: center; opacity: 0; visibility: hidden; transition: opacity .2s, visibility 0s .2s; }
.gnb__sub a { display: block; padding: 7px 4px; font-size: .9375rem; color: var(--ink-soft); white-space: nowrap; }
.gnb__sub a:hover, .gnb__sub a:focus-visible { color: var(--petrol); }
.gnb__sub a[aria-current="page"] { color: var(--petrol); font-weight: 800; }
.site-header::after { content: ""; position: absolute; left: 0; right: 0; top: 100%; height: var(--mega-h, 220px); z-index: 1; background: #fff; border-bottom: 3px solid var(--petrol); box-shadow: 0 16px 24px -16px rgba(8, 58, 69, .18); opacity: 0; transform: scaleY(0); transform-origin: top; transition: transform .25s var(--ease), opacity .2s; pointer-events: none; }
.site-header.is-mega::after { transform: none; opacity: 1; }
.site-header.is-mega .gnb__sub { opacity: 1; visibility: visible; transition-delay: 0s; }
.site-header__util { display: flex; align-items: center; gap: 8px; }
.hdr-tel { display: inline-flex; align-items: center; gap: 6px; height: 42px; padding: 0 10px; font-size: .9rem; font-weight: 700; color: var(--ink); white-space: nowrap; }
.hdr-tel:hover { color: var(--petrol); }
.menu-btn { display: inline-grid; place-items: center; width: 44px; height: 44px; border: 1.5px solid var(--ink); border-radius: 4px; background: #fff; }
.menu-btn:hover { background: var(--petrol); border-color: var(--petrol); color: #fff; }
.menu-btn__bars, .menu-btn__bars::before, .menu-btn__bars::after { display: block; width: 18px; height: 2px; background: currentColor; }
.menu-btn__bars { position: relative; }
.menu-btn__bars::before, .menu-btn__bars::after { content: ""; position: absolute; left: 0; }
.menu-btn__bars::before { top: -6px; } .menu-btn__bars::after { top: 6px; width: 12px; }
@media (max-width: 1180px) { .hdr-tel__t { display: none; } }
@media (max-width: 1023px) {
  .gnb { display: none; }
  .site-header__cta { display: none; }
  .logo__mark { width: 32px; height: 32px; }
  .logo__ko { font-size: 1.0625rem; }
}

/* 전체 메뉴 */
.site-menu { position: fixed; inset: 0; top: var(--sample-banner-h, 0px); z-index: 150; overflow-y: auto; display: flex; flex-direction: column; gap: 24px; padding: 0 var(--gutter) 40px; background: #fff; color: var(--ink); }
.site-menu__head { display: flex; align-items: center; justify-content: space-between; min-height: 64px; border-bottom: 2px solid var(--ink); }
.site-menu__close { width: 44px; height: 44px; border: 1.5px solid var(--ink); border-radius: 4px; background: #fff; font-size: 1.5rem; line-height: 1; }
.site-menu__list { display: grid; gap: 4px; }
@media (min-width: 768px) { .site-menu__list { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 40px; } }
@media (min-width: 1200px) { .site-menu__list { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 28px; padding-top: 12px; } }
.site-menu__group { border-bottom: 1px solid var(--rule); padding-bottom: 12px; }
.site-menu__link { display: flex; align-items: baseline; gap: 10px; padding: 12px 0 6px; font-weight: 800; font-size: 1.375rem; letter-spacing: -0.04em; }
.site-menu__link .num { font-size: .78rem; font-weight: 600; color: var(--petrol); }
.site-menu__group ul { display: flex; flex-wrap: wrap; gap: 2px 18px; }
.site-menu__group ul a { display: block; padding: 6px 0; color: var(--ink-soft); }
.site-menu a[aria-current="page"] { color: var(--ink); font-weight: 800; background: linear-gradient(transparent 60%, var(--marker) 60% 92%, transparent 92%); }
.site-menu__foot { display: flex; flex-wrap: wrap; gap: 10px; }

/* =========================================================
   메인 히어로 — 교재 한 쪽
   ========================================================= */
.hero { position: relative; padding: clamp(18px, 3vw, 36px) 0 clamp(56px, 7vw, 96px); background: var(--paper-tint); }
.hero__book { position: relative; perspective: 2600px; }
.hero__page {
  position: relative; z-index: 1; padding: 18px clamp(20px, 4vw, 60px) 16px clamp(26px, 5vw, 76px);
  background: #fff; border-radius: 3px 10px 10px 3px; box-shadow: var(--shadow-paper);
}
.hero__page::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: clamp(14px, 2.2vw, 30px); background: linear-gradient(90deg, rgba(8, 58, 69, .14), rgba(8, 58, 69, 0)); border-radius: 3px 0 0 3px; pointer-events: none; }
.hero__edges { position: absolute; z-index: 0; top: 10px; bottom: 6px; right: -7px; width: 10px; border-radius: 0 6px 6px 0; background: repeating-linear-gradient(90deg, #fff 0 2px, #D3DEDF 2px 3px); box-shadow: 2px 4px 10px rgba(8, 58, 69, .12); }
.hero__run { display: flex; justify-content: space-between; gap: 12px; padding-bottom: 10px; border-bottom: 1px solid var(--rule); font-size: .8125rem; color: var(--ink-soft); }
.hero__run .num { font-size: .78rem; }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr); gap: clamp(28px, 4.5vw, 64px); align-items: center; padding: clamp(28px, 4.5vw, 60px) 0 clamp(20px, 3vw, 36px); }
.hero__unit { display: flex; align-items: baseline; gap: 12px; margin-bottom: 18px; font-size: .95rem; font-weight: 700; color: var(--ink-soft); }
.hero__unit .num { padding: 3px 9px; border: 1.5px solid var(--petrol); border-radius: 3px; color: var(--petrol); font-weight: 700; font-size: .78rem; letter-spacing: .08em; }
.hero__title { font-size: clamp(2.15rem, 1.2rem + 3.4vw, 4.15rem); font-weight: 300; line-height: 1.24; letter-spacing: -0.045em; }
.hl { padding: 0 .06em; font-weight: 800; color: var(--ink); -webkit-box-decoration-break: clone; box-decoration-break: clone;
  background: linear-gradient(100deg, transparent 0 1%, var(--marker) 2% 97%, transparent 99%) no-repeat 0 82% / 100% 42%; }
.hero__lead { max-width: 33em; margin-top: 22px; color: var(--ink-soft); }
.hero__memo { margin-top: 14px; font-family: var(--font-pen); font-size: 1.55rem; line-height: 1.2; color: var(--petrol); transform: rotate(-2deg); transform-origin: left; }
.hero__memo::before { content: ""; display: inline-block; width: 26px; height: 2px; margin-right: 8px; vertical-align: middle; background: currentColor; }
.hero__act { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.hero__call { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; margin-top: 16px; font-size: .9375rem; color: var(--ink-soft); }
.hero__call a { color: var(--ink); font-weight: 700; }
.hero__folio { text-align: center; padding-top: 10px; border-top: 1px solid var(--rule); font-size: .82rem; color: var(--ink-soft); }

/* 간지 한 장이 책등을 축으로 넘어간다 (한 번) */
.hero__leaf { display: none; }
.has-motion .hero__leaf {
  display: block; position: absolute; inset: 0; z-index: 3; transform-origin: 0 50%; transform-style: preserve-3d; pointer-events: none;
  animation: leaf-turn 1.25s .3s cubic-bezier(.6, .02, .3, 1) both, leaf-gone .01s 1.56s both;
}
.hero__leaf-front, .hero__leaf-back { position: absolute; inset: 0; border-radius: 3px 10px 10px 3px; backface-visibility: hidden; -webkit-backface-visibility: hidden; }
.hero__leaf-front {
  display: flex; flex-direction: column; justify-content: center; gap: 10px; padding: 0 clamp(26px, 6vw, 90px);
  background: var(--petrol); color: #fff;
}
.hero__leaf-front::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 26px; background: linear-gradient(90deg, rgba(0, 0, 0, .25), rgba(0, 0, 0, 0)); }
.hero__leaf-front .num { font-size: clamp(3rem, 2rem + 4vw, 6rem); font-weight: 600; line-height: 1; color: var(--marker); }
.hero__leaf-front b { font-size: clamp(1.6rem, 1.1rem + 2vw, 2.8rem); font-weight: 800; letter-spacing: -0.04em; }
.hero__leaf-front span:last-child { font-size: 1.05rem; opacity: .8; }
.hero__leaf-back { transform: rotateY(180deg); background: linear-gradient(90deg, #E9EFEF, #fff 30%); }
@keyframes leaf-turn { from { transform: rotateY(0); } to { transform: rotateY(-180deg); } }
@keyframes leaf-gone { to { visibility: hidden; } }
.has-motion .hl { animation: hl-draw .95s 1.45s cubic-bezier(.65, 0, .25, 1) both; }
@keyframes hl-draw { from { background-size: 0% 42%; } to { background-size: 100% 42%; } }
.has-motion .weekcard { animation: card-in .8s 1.2s var(--ease) both; }
@keyframes card-in { from { opacity: 0; transform: translateY(18px) rotate(1.5deg); } to { opacity: 1; transform: none; } }

/* 이번 주 시간표 카드 */
.weekcard { position: relative; padding: 22px 20px 16px; background: #fff; border: 1px solid var(--rule); border-top: 5px solid var(--petrol); border-radius: 4px; box-shadow: var(--shadow-paper); perspective: 1400px; }
.weekcard__clip { position: absolute; left: 50%; top: -16px; width: 64px; height: 20px; margin-left: -32px; border-radius: 4px 4px 2px 2px; background: var(--ink); box-shadow: inset 0 -5px 0 rgba(255, 255, 255, .18); }
.weekcard__head { display: flex; align-items: flex-end; justify-content: space-between; gap: 10px 14px; flex-wrap: wrap; margin-bottom: 12px; }
.weekcard__title { font-size: 1.125rem; font-weight: 800; }
.weekcard__title small { display: block; margin-top: 2px; font-size: .78rem; font-weight: 600; color: var(--ink-soft); letter-spacing: 0; }
.weekcard__tabs { display: inline-flex; border: 1.5px solid var(--ink); border-radius: 4px; overflow: hidden; }
.weekcard__tab { min-width: 52px; height: 36px; padding: 0 10px; border: 0; background: #fff; font-weight: 800; font-size: .875rem; }
.weekcard__tab + .weekcard__tab { border-left: 1.5px solid var(--ink); }
.weekcard__tab[aria-selected="true"] { background: var(--ink); color: #fff; }
.weekcard__body { transform-origin: 0 50%; }
.weekcard__body.is-turn { animation: card-turn .5s var(--ease); }
@keyframes card-turn { from { transform: rotateY(-70deg); opacity: .2; } to { transform: none; opacity: 1; } }
.weekcard__days { display: grid; }
.weekcard__row { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 10px; align-items: start; padding: 7px 0; border-top: 1px solid var(--rule); }
.weekcard__day { display: grid; place-items: center; width: 30px; height: 26px; border-radius: 3px; font-weight: 800; font-size: .875rem; color: var(--ink); }
.weekcard__row.is-today .weekcard__day { background: var(--marker); }
.weekcard__row ul { display: flex; flex-wrap: wrap; gap: 4px 6px; }
.wk { display: inline-flex; align-items: center; gap: 6px; padding: 2px 8px 2px 0; font-size: .84rem; line-height: 1.5; border-left: 4px solid var(--sjc, var(--rule)); padding-left: 7px; background: var(--sjt, transparent); border-radius: 0 3px 3px 0; }
.wk__t { font-size: .74rem; color: var(--ink-soft); }
.wk__n { font-weight: 700; color: var(--ink); }
.wk .lv { height: 18px; font-size: .68rem; padding: 0 5px; }
.wk--none { border-left-color: transparent; color: var(--ink-soft); font-size: .8rem; padding-left: 0; }
.sj-c--math { --sjc: var(--c-math); --sjt: var(--c-math-t); }
.sj-c--kor { --sjc: var(--c-kor); --sjt: var(--c-kor-t); }
.sj-c--eng { --sjc: var(--c-eng); --sjt: var(--c-eng-t); }
.weekcard__foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; margin-top: 10px; padding-top: 12px; border-top: 1px solid var(--rule); }
.weekcard__legend { display: inline-flex; gap: 12px; }
.weekcard .link-more { font-size: .9rem; }

@media (max-width: 1023px) {
  .hero__grid { grid-template-columns: 1fr; }
  .weekcard { max-width: 560px; }
}
@media (max-width: 559px) {
  .hero__page { padding-inline: 22px 16px; }
  .hero__run span:first-child { display: none; }
  .hero__run { justify-content: flex-start; }
  .hero__title { font-size: 2.05rem; }
  .hero__act .btn { flex: 1 1 100%; }
  .hero__memo { font-size: 1.35rem; }
  .weekcard { padding: 20px 14px 14px; }
}

/* =========================================================
   메인 섹션
   ========================================================= */
.sec { padding-block: clamp(72px, 9vw, 120px); }
.sec--toc, .sec--next, .sec--boards { background: var(--paper-tint); }
.sec-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 26em); gap: 14px 48px; align-items: end; margin-bottom: clamp(30px, 4vw, 48px); }
.sec-title { font-size: clamp(1.7rem, 1.25rem + 1.6vw, 2.5rem); font-weight: 800; letter-spacing: -0.045em; }
.sec-desc { color: var(--ink-soft); }
.sec-head__side { display: grid; gap: 14px; justify-items: start; }
@media (max-width: 899px) { .sec-head { grid-template-columns: 1fr; } }

/* 학년 색인 카드 — 위 탭 자리가 카드마다 다르다 */
.gcards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; align-items: start; }
.gcard { position: relative; margin-top: 30px; padding: 28px 26px 26px; background: #fff; border: 1px solid var(--rule); border-radius: 0 4px 4px 4px; box-shadow: 0 10px 28px -20px rgba(8, 58, 69, .4); }
.gcard__tab { position: absolute; top: -31px; left: -1px; height: 31px; display: flex; }
.gcard__tab span { display: grid; place-items: center; min-width: 88px; padding: 0 16px; border: 1px solid var(--rule); border-bottom: 0; border-radius: 6px 6px 0 0; font-weight: 800; background: var(--tab-bg, #fff); color: var(--tab-c, var(--ink)); }
.gcard--1 { --tab-bg: var(--petrol-pale); }
.gcard--2 { --tab-bg: #BFDCE1; }
.gcard--2 .gcard__tab { left: 30%; }
.gcard--3 { --tab-bg: var(--petrol); --tab-c: #fff; margin-top: 30px; }
.gcard--3 .gcard__tab { left: auto; right: -1px; }
.gcard--2 { border-radius: 4px; }
.gcard--3 { border-radius: 4px 0 4px 4px; }
.gcard__title { font-size: 1.3rem; font-weight: 800; }
.gcard__todo { display: grid; gap: 8px; margin: 16px 0 22px; }
.gcard__todo li { position: relative; padding-left: 26px; }
.gcard__todo li::before { content: ""; position: absolute; left: 0; top: .42em; width: 15px; height: 15px; border: 1.5px solid var(--ink-soft); border-radius: 3px; }
.gcard__label { padding-top: 16px; border-top: 1px dashed var(--rule); font-size: .82rem; font-weight: 700; color: var(--ink-soft); }
.gcard__picks { display: grid; gap: 6px; margin: 8px 0 20px; }
.gcard__picks a { font-weight: 700; color: var(--ink); text-decoration: underline; text-decoration-color: var(--rule); text-underline-offset: 4px; }
.gcard__picks a:hover { text-decoration-color: var(--petrol); color: var(--petrol); }
.gcard__picks .when { display: block; font-size: .8rem; color: var(--ink-soft); }
@media (max-width: 899px) { .gcards { grid-template-columns: 1fr; max-width: 560px; } }

/* 과목 차례 (목차 줄 + 점선) */
.toc { display: grid; border-top: 2px solid var(--ink); }
.toc__link { display: grid; grid-template-columns: clamp(64px, 9vw, 120px) minmax(0, 1fr) clamp(140px, 22vw, 260px); gap: clamp(16px, 3vw, 40px); align-items: center; padding: 26px 0; border-bottom: 1px solid var(--rule); transition: background-color .25s; }
.toc__link:hover { background: #fff; }
.toc__letter { font-size: clamp(3.4rem, 2rem + 4vw, 6.2rem); font-weight: 800; line-height: 1; color: transparent; -webkit-text-stroke: 1.6px var(--petrol); text-align: center; }
.toc__body { display: grid; gap: 8px; }
.toc__name { display: flex; align-items: baseline; gap: 12px; font-size: clamp(1.35rem, 1.1rem + .9vw, 1.9rem); font-weight: 800; color: var(--ink); letter-spacing: -0.04em; }
.toc__lead { flex: 1; min-width: 30px; border-bottom: 3px dotted var(--ink-soft); transform: translateY(-6px); opacity: .5; }
.toc__page { font-size: 1rem; font-weight: 600; color: var(--petrol); }
.toc__desc { color: var(--ink-soft); max-width: 40em; }
.toc__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: .875rem; color: var(--ink-soft); }
.toc__meta > span:last-child { margin-left: 6px; }
.toc__media { display: block; aspect-ratio: 4 / 3; overflow: hidden; border-radius: 3px; }
.toc__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.toc__link:hover .toc__media img { transform: scale(1.05); }
@media (max-width: 699px) {
  .toc__link { grid-template-columns: 54px minmax(0, 1fr); }
  .toc__media { display: none; }
  .toc__letter { font-size: 3rem; }
}

/* 반 찾기 미니 폼 */
.sec--find { background: var(--petrol-pale); }
.find { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 72px); align-items: center; }
.find__text .sec-desc { margin-top: 14px; max-width: 30em; }
.find__memo { margin-top: 14px; font-family: var(--font-pen); font-size: 1.45rem; color: var(--petrol); }
.find__form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; align-items: end; padding: 26px; background: #fff; border-radius: 4px; box-shadow: var(--shadow-paper); }
.find__form .btn { grid-column: 1 / -1; }
@media (max-width: 899px) { .find { grid-template-columns: 1fr; } }

/* 한 주 플래너 */
.planner { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); border: 1.5px solid var(--ink); border-radius: 4px; overflow: hidden; background: #fff; }
.pday { display: grid; align-content: start; gap: 6px; padding: 0 14px 22px; border-left: 1px solid var(--rule); }
.pday:first-child { border-left: 0; }
.pday__d { margin: 0 -14px 6px; padding: 10px 14px; border-bottom: 1.5px solid var(--ink); font-weight: 800; font-size: 1.05rem; color: var(--ink); background: #fff; }
.pday__k { justify-self: start; padding: 1px 8px; border-radius: 3px; font-size: .75rem; font-weight: 800; background: var(--paper-tint); color: var(--ink-soft); }
.pday--study .pday__k { background: var(--petrol-pale); color: var(--petrol-deep); }
.pday--test .pday__k { background: var(--ink); color: #fff; }
.pday--redo .pday__k { background: var(--marker); color: var(--ink); }
.pday__t { font-size: 1.05rem; font-weight: 800; }
.pday__x { font-size: .9rem; color: var(--ink-soft); line-height: 1.6; }
@media (max-width: 1023px) {
  .planner { grid-template-columns: 1fr; }
  .pday { grid-template-columns: 48px minmax(0, 1fr); column-gap: 14px; min-height: 0; padding: 14px; border-left: 0; border-top: 1px solid var(--rule); background: none; }
  .pday:first-child { border-top: 0; }
  .pday__d { grid-row: 1 / span 3; margin: 0; padding: 0; border: 0; font-size: 1.25rem; }
}

/* 다가오는 일정 */
.nextwrap { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(24px, 5vw, 72px); align-items: start; }
.nextwrap .sec-head { grid-template-columns: 1fr; }
.nexts { display: grid; border-top: 2px solid var(--ink); }
.nxt { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--rule); }
.nxt__d { display: grid; gap: 2px; }
.nxt__d b { font-size: 1.6rem; font-weight: 600; color: var(--ink); line-height: 1.1; }
.nxt__d span { justify-self: start; padding: 0 6px; border-radius: 3px; font-size: .8rem; background: var(--ink); color: #fff; }
.nxt:first-child .nxt__d span { background: var(--marker); color: var(--ink); font-weight: 700; }
.nxt__cat { font-size: .8rem; font-weight: 700; color: var(--petrol); }
.nxt__t { font-size: 1.125rem; font-weight: 800; }
.nxt__m { font-size: .9rem; color: var(--ink-soft); }
@media (max-width: 899px) { .nextwrap { grid-template-columns: 1fr; } }

/* 강사 글 카드 */
.tcards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.tcard { position: relative; display: grid; align-content: start; gap: 8px; padding: 30px 26px 26px; background: #fff; border: 1px solid var(--rule); border-top: 5px solid var(--sjc); border-radius: 4px; }
.tcard--math { --sjc: var(--c-math); --sjt: var(--c-math-t); }
.tcard--kor { --sjc: var(--c-kor); --sjt: var(--c-kor-t); }
.tcard--eng { --sjc: var(--c-eng); --sjt: var(--c-eng-t); }
.tcard__tab { position: absolute; top: -5px; right: 22px; padding: 6px 12px 8px; border-radius: 0 0 4px 4px; background: var(--sjc); color: #fff; font-weight: 800; font-size: .875rem; }
.tcard__label { font-size: .85rem; font-weight: 700; color: var(--ink-soft); }
.tcard__name { font-size: 1.2rem; font-weight: 800; }
.tcard__rule { margin: 8px 0; padding: 14px 16px; border-radius: 3px; background: var(--sjt); font-size: 1.0625rem; line-height: 1.65; color: var(--ink); }
.tcard__rule::before { content: "원칙"; display: block; margin-bottom: 4px; font-size: .75rem; font-weight: 800; color: var(--sjc); }
.tcard__cls, .tcard__style { font-size: .9rem; color: var(--ink-soft); }
.tcard__h { margin-top: 10px; font-size: .9rem; font-weight: 800; }
.tcard__list { display: grid; gap: 4px; font-size: .9rem; }
.tcard__list a { font-weight: 700; color: var(--ink); text-decoration: underline; text-decoration-color: var(--rule); text-underline-offset: 3px; }
.tcard__list .num { display: block; font-size: .78rem; color: var(--ink-soft); }
.tcard__dl { display: grid; gap: 4px; margin-top: 10px; padding-top: 12px; border-top: 1px dashed var(--rule); font-size: .875rem; }
.tcard__dl div { display: flex; gap: 8px; }
.tcard__dl dt { flex: none; width: 4.5em; color: var(--ink-soft); }
.tcards--full { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 22px; }
@media (min-width: 1100px) { .tcards--full { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 899px) { .tcards, .tcards--full { grid-template-columns: 1fr; } }

/* 공간 사진 */
.spaces { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 18px; }
.spaces { align-items: start; }
.space .media { aspect-ratio: 4 / 3; margin-bottom: 10px; }
.space p { font-size: .95rem; color: var(--ink-soft); }
.space b { color: var(--ink); margin-right: 6px; }
@media (max-width: 767px) { .spaces { grid-template-columns: 1fr; } }
.media { position: relative; display: block; overflow: hidden; border-radius: 4px; background: var(--paper-tint); }
.media img { width: 100%; height: 100%; object-fit: cover; }

/* 미니 게시판 */
.boards { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(22px, 4vw, 56px); }
.mini-board__head { display: flex; justify-content: space-between; align-items: center; padding-bottom: 12px; border-bottom: 2px solid var(--ink); }
.mini-board__head h3 { font-size: 1.3rem; font-weight: 800; }
.mini-board ul li { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 12px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--rule); }
.mini-board ul a { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 600; color: var(--ink); }
.mini-board ul a:hover { color: var(--petrol); text-decoration: underline; }
.mini-board time { font-size: .85rem; color: var(--ink-soft); }
@media (max-width: 899px) { .boards { grid-template-columns: 1fr; } }

/* 상담 띠 */
.cband { padding-block: clamp(56px, 7vw, 88px); background: var(--petrol-deep); color: #fff; }
.cband__inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); gap: clamp(26px, 5vw, 64px); align-items: center; }
.cband__memo { font-family: var(--font-pen); font-size: 1.6rem; line-height: 1; color: var(--marker); transform: rotate(-2deg); transform-origin: left; margin-bottom: 10px; }
.cband__title { color: #fff; font-size: clamp(1.6rem, 1.2rem + 1.5vw, 2.4rem); font-weight: 800; }
.cband__desc { margin-top: 12px; color: rgba(255, 255, 255, .78); max-width: 30em; }
.cband__ways { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.cway { display: grid; align-content: start; gap: 6px; height: 100%; padding: 22px 18px; border: 1px solid rgba(255, 255, 255, .25); border-radius: 4px; transition: background-color .2s, border-color .2s; }
.cway .i { width: 26px; height: 26px; margin-bottom: 6px; }
.cway b { font-size: 1.125rem; }
.cway small { font-size: .85rem; color: rgba(255, 255, 255, .72); }
.cway:hover { border-color: #fff; background: rgba(255, 255, 255, .06); }
.cway--main { background: #fff; border-color: #fff; color: var(--ink); }
.cway--main small { color: var(--ink-soft); }
.cway--main:hover { background: var(--marker); border-color: var(--marker); }
@media (max-width: 899px) { .cband__inner { grid-template-columns: 1fr; } }
@media (max-width: 559px) { .cband__ways { grid-template-columns: 1fr; } }

/* 푸터 */
.site-footer { padding: clamp(48px, 6vw, 72px) 0 32px; background: var(--petrol-ink); color: rgba(255, 255, 255, .78); font-size: .9rem; }
.site-footer .logo { color: #fff; }
.site-footer .logo__ko { color: #fff; }
.site-footer .logo__en { color: rgba(255, 255, 255, .6); }
.site-footer__top { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; padding-bottom: 24px; border-bottom: 1px solid rgba(255, 255, 255, .16); }
.site-footer__nav { display: flex; flex-wrap: wrap; gap: 6px 22px; font-weight: 700; color: #fff; }
.site-footer__nav a:hover { text-decoration: underline; }
.site-footer__hours { display: grid; gap: 4px; margin: 22px 0; }
.site-footer__hours b { margin-right: 8px; color: #fff; }
.site-footer__policy { display: flex; flex-wrap: wrap; gap: 6px 20px; margin-bottom: 14px; }
.site-footer__policy .is-strong { color: #fff; font-weight: 800; }
.site-footer__policy a { text-decoration: underline; text-underline-offset: 3px; }
.site-footer__info { display: flex; flex-wrap: wrap; gap: 6px 22px; }
.site-footer__info div { display: flex; gap: 6px; }
.site-footer__info dt { color: rgba(255, 255, 255, .58); }
.site-footer__bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; margin-top: 24px; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, .16); font-size: .85rem; }
.site-footer__credit { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.credit-link { display: inline-flex; align-items: center; gap: 6px; color: #fff; font-weight: 700; }
.credit-link img { filter: brightness(0) invert(1); opacity: .85; }

/* 휴대폰 아래 빠른 메뉴 */
.mbar { display: none; }
@media (max-width: 767px) {
  .mbar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 90; display: grid; grid-template-columns: 1fr 1fr 1.4fr; padding-bottom: env(safe-area-inset-bottom); background: #fff; border-top: 1px solid var(--rule); box-shadow: 0 -6px 18px rgba(8, 58, 69, .08); }
  .mbar a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; min-height: 58px; font-size: .8rem; font-weight: 700; color: var(--ink); }
  .mbar a + a { border-left: 1px solid var(--rule); }
  .mbar__main { background: var(--petrol); color: #fff !important; }
  body { padding-bottom: calc(58px + env(safe-area-inset-bottom)); }
  body.nav-open .mbar { display: none; }
}

/* =========================================================
   서브 틀 — 교재 단원 표지 + 인덱스 플래그
   ========================================================= */
.sub-head { position: relative; background: var(--petrol-deep); color: #fff; overflow: hidden; }
.sub-head::before { content: ""; position: absolute; inset: 0; background-image: repeating-linear-gradient(90deg, rgba(255, 255, 255, .035) 0 1px, transparent 1px 60px); pointer-events: none; }
.sub-head__inner { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .82fr); gap: clamp(24px, 5vw, 72px); align-items: end; padding-block: clamp(26px, 3.5vw, 44px) calc(var(--flags-h) + clamp(22px, 3vw, 36px)); }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 4px; font-size: .85rem; color: rgba(255, 255, 255, .72); }
.breadcrumb li + li::before { content: "›"; margin-right: 6px; opacity: .7; }
.breadcrumb a:hover { color: #fff; text-decoration: underline; }
.sub-head__unit { display: flex; align-items: baseline; gap: 12px; margin-top: clamp(20px, 3vw, 40px); font-size: .9rem; color: rgba(255, 255, 255, .7); }
.sub-head__unit .num { padding: 2px 9px; border: 1.5px solid var(--marker); border-radius: 3px; color: var(--marker); font-weight: 700; font-size: .8rem; letter-spacing: .08em; }
.sub-head__group { margin-top: 10px; font-size: clamp(2.2rem, 1.5rem + 2.6vw, 3.6rem); font-weight: 800; line-height: 1.15; letter-spacing: -0.05em; color: #fff; }
.sub-head__goal { margin-top: 16px; max-width: 32em; color: rgba(255, 255, 255, .82); }
.sub-head__goal b { display: inline-block; margin-right: 8px; padding: 0 7px; border-radius: 3px; background: rgba(255, 255, 255, .14); font-size: .82rem; font-weight: 800; color: #fff; }
.sub-head__media { position: relative; aspect-ratio: 2 / 1; overflow: hidden; border-radius: 3px; clip-path: polygon(0 0, calc(100% - 46px) 0, 100% 46px, 100% 100%, 0 100%); }
.sub-head__media img { width: 100%; height: 100%; object-fit: cover; }
.sub-head__media::after { content: ""; position: absolute; top: 0; right: 0; width: 46px; height: 46px; background: linear-gradient(225deg, transparent 50%, #E9EFEF 50%); box-shadow: -3px 3px 6px rgba(0, 0, 0, .2); }
@media (max-width: 899px) {
  .sub-head__inner { grid-template-columns: 1fr; gap: 20px; }
  .sub-head__media { aspect-ratio: 21 / 8; }
}

/* 인덱스 플래그 — 단원 표지 아래 가장자리(흰 본문 윗변)에 꽂혀 있고, 스크롤하면 머리글 아래에 붙는다 */
.flags { position: sticky; top: var(--header-h); z-index: 60; height: var(--flags-h); margin-top: calc(var(--flags-h) * -1); background: linear-gradient(to bottom, transparent 0 calc(100% - 10px), #fff calc(100% - 10px)); }
.flags.is-stuck { background: linear-gradient(to bottom, var(--petrol-deep) 0 calc(100% - 10px), #fff calc(100% - 10px)); box-shadow: 0 8px 14px -12px rgba(8, 58, 69, .4); }
.flags__inner { display: flex; align-items: flex-end; gap: 16px; height: 100%; }
.flags__unit { flex: none; align-self: center; padding-bottom: 10px; font-size: .78rem; color: rgba(255, 255, 255, .6); letter-spacing: .08em; }
.flags__list { display: flex; align-items: flex-end; gap: 6px; height: 100%; overflow-x: auto; scrollbar-width: none; }
.flags__list::-webkit-scrollbar { display: none; }
.flags__list li { flex: none; height: 100%; display: flex; align-items: flex-end; }
.flag {
  position: relative; display: flex; align-items: center; gap: 7px; height: calc(var(--flags-h) - 14px); padding: 0 16px 8px; padding-top: 8px;
  border: 1px solid rgba(255, 255, 255, .28); border-bottom: 0; border-radius: 4px 4px 0 0;
  background: linear-gradient(to bottom, rgba(255, 255, 255, .17) 0 calc(100% - 10px), rgba(14, 94, 111, .12) calc(100% - 10px));
  color: #fff; font-size: .95rem; font-weight: 700; white-space: nowrap; transition: transform .25s var(--ease), background-color .2s;
}
.flag:hover { transform: translateY(-4px); }
.flag__no { font-size: .72rem; opacity: .7; }
.flag[aria-current="page"] {
  height: calc(var(--flags-h) - 4px); border-color: transparent; color: var(--ink); font-weight: 800;
  background: linear-gradient(to bottom, var(--marker) 0 calc(100% - 10px), rgba(255, 225, 77, .55) calc(100% - 10px));
}
.flag[aria-current="page"] .flag__no { opacity: 1; }
.flag[aria-current="page"]:hover { transform: none; }
@media (max-width: 767px) {
  .flags__unit { display: none; }
  .flags .wrap { width: 100%; padding-left: var(--gutter); }
  .flags__list { padding-right: var(--gutter); }
  .flag { padding-inline: 12px; font-size: .9rem; }
  .flag__no { display: none; }
}

/* 본문 */
.sub-body { padding-bottom: clamp(80px, 10vw, 140px); }
.page-head { padding-top: clamp(44px, 6vw, 80px); margin-bottom: clamp(36px, 5vw, 60px); }
.page-head__no { display: inline-block; margin-bottom: 10px; font-size: 1.05rem; font-weight: 600; color: var(--petrol); border-bottom: 2px solid var(--petrol); }
.page-head__title { font-size: clamp(2rem, 1.4rem + 2.3vw, 3.2rem); font-weight: 800; letter-spacing: -0.05em; }
.page-head__desc { max-width: 40em; margin-top: 14px; font-size: 1.0625rem; color: var(--ink-soft); }
.sec-in { margin-top: clamp(56px, 7vw, 96px); }
.sec-in:first-child { margin-top: 0; }
.h2 { position: relative; margin-bottom: 22px; padding-left: 16px; font-size: clamp(1.4rem, 1.15rem + .9vw, 1.9rem); font-weight: 800; letter-spacing: -0.04em; }
.h2::before { content: ""; position: absolute; left: 0; top: .22em; bottom: .22em; width: 5px; border-radius: 1px; background: var(--petrol); }
.h3 { margin: 30px 0 12px; font-size: 1.2rem; font-weight: 800; }
.p-lead { margin: -8px 0 20px; color: var(--ink-soft); max-width: 44em; }

/* 표 */
.tbl-wrap { position: relative; overflow-x: auto; border-top: 2px solid var(--ink); }
.tbl { width: 100%; min-width: 560px; font-size: .97rem; }
.tbl th, .tbl td { padding: 14px 16px; border-bottom: 1px solid var(--rule); text-align: left; vertical-align: top; }
.tbl thead th { background: var(--paper-tint); font-size: .9rem; font-weight: 800; color: var(--ink); white-space: nowrap; }
.tbl tbody th { font-weight: 800; color: var(--ink); white-space: nowrap; }
.tbl td small { display: block; margin-top: 2px; font-size: .84rem; color: var(--ink-soft); }
.tbl--kv { min-width: 0; }
.tbl--kv th { width: 11em; background: var(--paper-tint); }
.tbl--cls td { vertical-align: middle; }
.tbl--fee td:last-child { min-width: 10em; }
@media (max-width: 559px) { .tbl--kv th { width: 7.5em; } .tbl th, .tbl td { padding: 12px 10px; } }

/* 체크 목록 */
.checks { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.checks li { display: flex; gap: 12px; padding: 22px 20px; border: 1px solid var(--rule); border-radius: 4px; }
.checks .i { width: 24px; height: 24px; color: var(--petrol); }
.checks h3 { font-size: 1.0625rem; font-weight: 800; margin-bottom: 4px; }
.checks p { font-size: .94rem; color: var(--ink-soft); }
@media (max-width: 899px) { .checks { grid-template-columns: 1fr; } }

/* 소개(인사말) */
.intro__grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(28px, 5vw, 72px); align-items: start; }
.intro__media { aspect-ratio: 4 / 5; position: sticky; top: calc(var(--header-h) + var(--flags-h) + 20px); }
.intro__big { margin-bottom: 22px; font-size: clamp(1.45rem, 1.1rem + 1.3vw, 2.2rem); font-weight: 300; line-height: 1.45; letter-spacing: -0.04em; }
.intro__text { display: grid; gap: 1.05em; max-width: 38em; }
.sign { justify-self: end; margin-top: 10px; font-weight: 700; color: var(--ink); }
@media (max-width: 899px) { .intro__grid { grid-template-columns: 1fr; } .intro__media { position: static; aspect-ratio: 16 / 10; } }

/* 교육 방침 — 교재 정리 상자 */
.theorems { display: grid; gap: 14px; }
.theorem { display: grid; grid-template-columns: 7em minmax(0, 1fr); gap: 20px; padding: 24px 26px; border-left: 5px solid var(--petrol); background: var(--paper-tint); border-radius: 0 4px 4px 0; }
.theorem__k { font-weight: 800; color: var(--petrol); }
.theorem h3 { font-size: 1.25rem; font-weight: 800; margin-bottom: 6px; }
.theorem p { color: var(--ink-soft); }
@media (max-width: 559px) { .theorem { grid-template-columns: 1fr; gap: 6px; } }
.lessonbar { display: flex; border: 1.5px solid var(--ink); border-radius: 4px; overflow: hidden; }
.lessonbar li { flex: calc(var(--e) - var(--s)) 1 0; display: grid; align-content: start; gap: 2px; min-width: 0; padding: 14px 14px 16px; border-left: 1px solid var(--rule); }
.lessonbar li:first-child { border-left: 0; background: var(--paper-tint); }
.lessonbar li:nth-child(2) { background: var(--petrol-pale); }
.lessonbar li:last-child { background: var(--marker); }
.lessonbar .num { font-size: .8rem; color: var(--ink-soft); }
.lessonbar b { color: var(--ink); }
.lessonbar small { font-size: .84rem; color: var(--ink-soft); line-height: 1.5; }
.lessonbar li:last-child small, .lessonbar li:last-child .num { color: var(--ink); }
@media (max-width: 767px) { .lessonbar { flex-direction: column; } .lessonbar li { border-left: 0; border-top: 1px solid var(--rule); } .lessonbar li:first-child { border-top: 0; } }
.nots { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 40px; }
.nots li { position: relative; padding: 18px 0 18px 44px; border-top: 1px solid var(--rule); }
.nots li::before { content: ""; position: absolute; left: 4px; top: 25px; width: 22px; height: 22px; border: 2px solid var(--ink); border-radius: 50%; background: linear-gradient(135deg, transparent 45%, var(--ink) 45% 55%, transparent 55%); }
.nots--plain li::before { border-radius: 3px; background: none; border-color: var(--petrol); }
.nots h3 { font-size: 1.1rem; font-weight: 800; }
.nots p { color: var(--ink-soft); font-size: .95rem; }
@media (max-width: 767px) { .nots { grid-template-columns: 1fr; } }

/* 탭 */
.tabs { display: flex; flex-wrap: wrap; gap: 6px; }
.tab { min-height: 42px; padding: 0 16px; border: 1.5px solid var(--rule); border-radius: 4px; background: #fff; font-weight: 700; color: var(--ink-soft); }
.tab:hover { border-color: var(--ink); color: var(--ink); }
.tab[aria-selected="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }

/* 시설 */
.floorplan { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); grid-template-rows: repeat(3, minmax(64px, auto)); gap: 6px; padding: 14px; border: 2px solid var(--ink); border-radius: 4px; background: var(--paper-tint); }
.fp { display: grid; place-items: center; padding: 10px; border: 1.5px solid var(--ink-soft); border-radius: 2px; background: #fff; font-size: .9rem; text-align: center; }
.fp--a { grid-area: 1 / 1 / 2 / 3; } .fp--b { grid-area: 1 / 3 / 2 / 5; } .fp--c { grid-area: 1 / 5 / 2 / 7; }
.fp--d { grid-area: 2 / 1 / 3 / 3; } .fp--s { grid-area: 2 / 3 / 4 / 5; background: var(--petrol-pale); }
.fp--q { grid-area: 2 / 5 / 3 / 6; } .fp--r { grid-area: 2 / 6 / 3 / 7; } .fp--t { grid-area: 3 / 1 / 4 / 3; } .fp--e { grid-area: 3 / 5 / 4 / 7; background: var(--marker); border-color: var(--ink); }
.rooms { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 26px; margin-top: clamp(48px, 6vw, 80px); }
.room .media { aspect-ratio: 4 / 3; margin-bottom: 14px; }
.room__t { font-size: 1.25rem; font-weight: 800; margin-bottom: 6px; }
.room p { color: var(--ink-soft); }
@media (max-width: 767px) { .rooms { grid-template-columns: 1fr; } .floorplan { grid-template-columns: repeat(2, 1fr); grid-template-rows: none; } .fp { grid-area: auto !important; } }

/* 오시는 길 */
.loc { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: clamp(24px, 4vw, 56px); align-items: start; }
.loc__map { border: 1px solid var(--rule); border-radius: 4px; overflow: hidden; }
.kv { display: grid; border-top: 2px solid var(--ink); }
.kv div { display: grid; grid-template-columns: 7em minmax(0, 1fr); gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--rule); }
.kv dt { display: flex; align-items: flex-start; gap: 6px; font-weight: 800; color: var(--ink); }
.kv dt .i { margin-top: .3em; color: var(--petrol); }
.loc__btns { margin-top: 20px; }
@media (max-width: 899px) { .loc { grid-template-columns: 1fr; } }

/* 과목 머리 */
.subj-hero { display: grid; grid-template-columns: auto minmax(0, 1fr) minmax(0, .8fr); gap: clamp(20px, 4vw, 56px); align-items: center; padding: clamp(24px, 3vw, 40px); border: 1px solid var(--rule); border-radius: 4px; background: var(--sjt); }
.subj-hero--math { --sjc: var(--c-math); --sjt: var(--c-math-t); }
.subj-hero--kor { --sjc: var(--c-kor); --sjt: var(--c-kor-t); }
.subj-hero--eng { --sjc: var(--c-eng); --sjt: var(--c-eng-t); }
.subj-hero__letter { font-size: clamp(5rem, 3rem + 7vw, 10rem); font-weight: 800; line-height: .9; color: transparent; -webkit-text-stroke: 2px var(--sjc); }
.subj-hero .intro__big { margin: 0; }
.subj-hero__media { aspect-ratio: 4 / 3; }
@media (max-width: 899px) { .subj-hero { grid-template-columns: auto minmax(0, 1fr); } .subj-hero__media { grid-column: 1 / -1; } }
@media (max-width: 559px) { .subj-hero__letter { font-size: 4.2rem; } }
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; counter-reset: s; border-top: 2px solid var(--ink); }
.step { position: relative; display: grid; align-content: start; gap: 6px; padding: 22px 22px 22px 0; }
.step + .step { padding-left: 22px; border-left: 1px solid var(--rule); }
.step__n { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: var(--ink); color: #fff; font-weight: 600; }
.step h3 { font-size: 1.125rem; font-weight: 800; }
.step h3 small { font-size: .85rem; font-weight: 600; color: var(--ink-soft); margin-left: 4px; }
.step p { font-size: .94rem; color: var(--ink-soft); }
.step__k { font-size: .85rem !important; font-weight: 700; color: var(--petrol) !important; }
.steps--sm { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 899px) {
  .steps, .steps--sm { grid-template-columns: 1fr; }
  .step, .step + .step { grid-template-columns: 38px minmax(0, 1fr); column-gap: 14px; padding: 18px 0; border-left: 0; border-bottom: 1px solid var(--rule); }
  .step__n { grid-row: 1 / span 3; }
}
.fits { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.fit { display: grid; align-content: start; gap: 8px; padding: 22px; border: 1px solid var(--rule); border-radius: 4px; }
.fit .lv { justify-self: start; }
.fit h3 { font-size: 1.05rem; font-weight: 800; }
.fit p { color: var(--ink-soft); font-size: .95rem; }
@media (max-width: 899px) { .fits { grid-template-columns: 1fr; } }
.wide-media { aspect-ratio: 21 / 8; margin-top: clamp(40px, 5vw, 64px); }
.other-subj { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 28px; }
.other-subj a { display: flex; align-items: center; gap: 16px; padding: 18px 22px; border: 1.5px solid var(--ink); border-radius: 4px; font-weight: 800; font-size: 1.1rem; }
.other-subj a:hover { background: var(--ink); color: #fff; }
.other-subj .toc__letter { font-size: 2.4rem; -webkit-text-stroke-width: 1.2px; }
.other-subj a:hover .toc__letter { -webkit-text-stroke-color: var(--marker); }
@media (max-width: 559px) { .other-subj { grid-template-columns: 1fr; } }

/* 반 구성 */
.lv-legend { display: grid; gap: 10px; }
.lv-legend li { display: flex; align-items: center; gap: 12px; }
.grade-block { margin-top: 36px; }
.tabs + [data-tab-list] { margin-top: 6px; }
.sec-in + .tabs { margin-top: clamp(48px, 6vw, 72px); }

/* =========================================================
   맞춤 화면 ② 주간 시간표
   ========================================================= */
.tt__filters { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 16px 32px; padding: 20px 22px; border: 1px solid var(--rule); border-radius: 4px; background: var(--paper-tint); }
.tt__f { display: grid; gap: 8px; }
.tt__fl { font-size: .85rem; font-weight: 800; color: var(--ink); }
.tt__fl small { font-weight: 600; color: var(--ink-soft); margin-left: 4px; }
.segs { display: inline-flex; flex-wrap: wrap; border: 1.5px solid var(--ink); border-radius: 4px; overflow: hidden; background: #fff; }
.seg { min-width: 56px; min-height: 42px; padding: 0 14px; border: 0; background: #fff; font-weight: 700; color: var(--ink-soft); white-space: nowrap; }
.seg + .seg { border-left: 1.5px solid var(--ink); }
.seg[aria-pressed="true"] { background: var(--ink); color: #fff; }
.seg--math[aria-pressed="true"] { background: var(--c-math); }
.seg--kor[aria-pressed="true"] { background: var(--c-kor); }
.seg--eng[aria-pressed="true"] { background: var(--c-eng); }
.tt__count { margin-left: auto; font-weight: 800; color: var(--petrol); }
.tt__legend { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 16px; margin: 18px 0 14px; font-size: .875rem; color: var(--ink-soft); }
.tt__lt { font-weight: 800; color: var(--ink); }
.tt__lt:not(:first-child) { margin-left: 10px; }
.tt__legend li { display: flex; align-items: center; gap: 6px; }
.lg { width: 18px; height: 14px; border-radius: 2px; }
.lvl--basic.lg { border: 1.5px solid var(--sjc); background: #fff; }
.lvl--std.lg { background: var(--sjt); border-left: 4px solid var(--sjc); }
.lvl--adv.lg { background: var(--sjc); }
.tt__grid-wrap { position: relative; overflow-x: auto; border: 1.5px solid var(--ink); border-radius: 4px; }
.tt__grid { width: 100%; min-width: 900px; table-layout: fixed; }
.tt__grid th, .tt__grid td { border: 1px solid var(--rule); padding: 8px; vertical-align: top; }
.tt__grid thead th { padding: 12px 8px; background: var(--paper-tint); font-weight: 800; text-align: center; }
.tt__grid thead th.is-today { background: var(--marker); }
.tt__grid thead th:first-child { width: 120px; }
.tt__grid tbody th { text-align: left; background: #fff; font-size: .9rem; }
.tt__grid tbody th b { display: block; color: var(--ink); }
.tt__grid tbody th b { margin-bottom: 4px; font-size: 1rem; }
.tt__rt { display: block; font-size: .8rem; line-height: 1.5; color: var(--ink-soft); }
.tt__rt small { font-weight: 700; color: var(--ink); }
.tt__grid td ul { display: grid; gap: 6px; }
.tt-off { background: repeating-linear-gradient(135deg, #F6F8F8 0 6px, #EDF1F1 6px 7px); }
.blk { display: grid; gap: 1px; padding: 7px 9px; border-radius: 3px; font-size: .84rem; line-height: 1.4; transition: transform .15s; }
.blk:hover { transform: translateY(-2px); }
.blk b { font-weight: 800; }
.blk small { font-size: .74rem; opacity: .85; }
.blk__g { font-size: .72rem; font-weight: 800; letter-spacing: 0; }
.blk.lvl--basic { border: 1.5px solid var(--sjc); background: #fff; color: var(--ink); }
.blk.lvl--basic .blk__g { color: var(--sjc); }
.blk.lvl--std { background: var(--sjt); border-left: 4px solid var(--sjc); color: var(--ink); }
.blk.lvl--std .blk__g { color: var(--sjc); }
.blk.lvl--adv { background: var(--sjc); color: #fff; }
.tt__mobile { margin-top: 6px; }
.dtabs { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 4px; position: sticky; top: calc(var(--header-h) + var(--flags-h)); z-index: 5; padding: 8px 0; background: #fff; }
.dtab { min-height: 46px; border: 1.5px solid var(--rule); border-radius: 4px; background: #fff; font-weight: 800; }
.dtab[aria-selected="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
.dtab.is-today { box-shadow: inset 0 -5px 0 var(--marker); }
.dtab[aria-selected="true"].is-today { box-shadow: inset 0 -5px 0 var(--marker); }
.tt__list { display: grid; gap: 10px; margin-top: 8px; }
.tt__slot { display: grid; grid-template-columns: 78px minmax(0, 1fr); gap: 12px; padding-top: 12px; border-top: 1px solid var(--rule); }
.tt__slot > p { font-size: .82rem; color: var(--ink-soft); line-height: 1.45; }
.tt__slot > p b { display: block; color: var(--ink); font-size: .95rem; }
.tt__slot ul { display: grid; gap: 6px; }
.tt__empty { padding: 26px 0; text-align: center; color: var(--ink-soft); }
@media (max-width: 767px) {
  .js .tt__grid-wrap { display: none; }
  .tt__filters, .cal__top { padding: 16px; }
  .tt__f { flex: 1 1 100%; }
  .segs { width: 100%; }
  .seg { flex: 1 1 0; min-width: 0; padding: 0 6px; }
  .tt__count { margin-left: 0; }
}
@media (min-width: 768px) { .tt__mobile { display: none !important; } }

/* =========================================================
   맞춤 화면 ① 우리 아이 반 찾기
   ========================================================= */
.finder { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(24px, 4vw, 56px); align-items: start; }
.finder__form { display: grid; gap: 18px; padding: 24px; border: 1px solid var(--rule); border-radius: 4px; background: var(--paper-tint); position: sticky; top: calc(var(--header-h) + var(--flags-h) + 16px); }
.fset legend { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; font-weight: 800; color: var(--ink); }
.fset legend .num { display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: var(--ink); color: #fff; font-size: .8rem; }
.fset legend small { font-weight: 600; color: var(--ink-soft); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { position: relative; }
.chip input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.chip span { display: inline-flex; align-items: center; min-height: 44px; padding: 0 15px; border: 1.5px solid var(--rule); border-radius: 4px; background: #fff; font-weight: 700; color: var(--ink-soft); transition: background-color .15s, border-color .15s, color .15s; }
.chip input:hover + span { border-color: var(--ink); color: var(--ink); }
.chip input:checked + span { background: var(--petrol); border-color: var(--petrol); color: #fff; }
.chip input:focus-visible + span { outline: 2px solid var(--petrol); outline-offset: 2px; }
.finder__sum { padding: 16px 18px; border-left: 5px solid var(--marker); background: #FFFBE3; }
.finder__sum p + p { margin-top: 4px; font-size: .92rem; color: var(--ink-soft); }
.finder__sum b { color: var(--ink); }
.finder__list { display: grid; gap: 12px; margin-top: 16px; }
.fres { display: grid; gap: 8px; padding: 20px 22px; border: 1px solid var(--rule); border-left: 6px solid var(--sjc); border-radius: 4px; background: #fff; }
.fres.is-best { box-shadow: var(--shadow-paper); }
.fres__top { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.fres__match { padding: 1px 8px; border-radius: 3px; font-size: .78rem; font-weight: 800; background: var(--paper-tint); color: var(--ink-soft); }
.fres.is-best .fres__match { background: var(--marker); color: var(--ink); }
.fres__name { font-size: 1.2rem; font-weight: 800; }
.fres__when { font-size: 1.05rem; font-weight: 600; color: var(--ink); }
.fres__meta { display: flex; flex-wrap: wrap; gap: 4px 16px; font-size: .9rem; color: var(--ink-soft); }
.fres__desc { font-size: .94rem; color: var(--ink-soft); }
.fres__why { font-size: .84rem; color: var(--c-kor); font-weight: 700; }
.fres .btn { justify-self: start; margin-top: 4px; }
.fres.is-picked { outline: 3px solid var(--marker); outline-offset: -1px; }
.msg { margin-top: 22px; padding: 24px; border: 2px solid var(--ink); border-radius: 4px; background: #fff; }
.msg__t { font-size: 1.25rem; font-weight: 800; }
.msg__d { margin: 4px 0 12px; font-size: .92rem; color: var(--ink-soft); }
.msg textarea { width: 100%; padding: 14px; border: 1px solid var(--rule); border-radius: 4px; font-size: 16px; line-height: 1.7; background: var(--paper-tint); resize: vertical; }
.msg__btns { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.msg__note { margin-top: 10px; font-size: .9rem; font-weight: 700; color: var(--petrol); min-height: 1.5em; }
@media (max-width: 899px) { .finder { grid-template-columns: 1fr; } .finder__form { position: static; } }
@media (max-width: 559px) { .msg__btns .btn { flex: 1 1 100%; } .msg { padding: 18px; } }

/* 폼 */
.form { display: grid; gap: 20px; max-width: 860px; }
.form__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; }
.field { display: grid; gap: 8px; align-content: start; }
.field--wide { grid-column: 1 / -1; }
.field label, .field legend { font-weight: 800; color: var(--ink); font-size: .95rem; }
.field small { font-weight: 600; color: var(--ink-soft); }
.field input, .field select, .field textarea { width: 100%; min-height: 52px; padding: 12px 14px; border: 1.5px solid var(--rule); border-radius: 4px; background: #fff; font-size: 16px; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--petrol); outline: none; box-shadow: 0 0 0 3px var(--petrol-pale); }
.find__form .field label { font-size: .9rem; }
.consent { padding: 16px 18px; border: 1px solid var(--rule); border-radius: 4px; background: var(--paper-tint); font-size: .92rem; }
.check { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink); }
.check input { width: 20px; height: 20px; accent-color: var(--petrol); }
.consent details { margin-top: 8px; color: var(--ink-soft); }
.consent summary { cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.consent details p { margin-top: 6px; }
.form > .btn { justify-self: start; }
.form__note, .form__from { padding: 14px 16px; border-left: 5px solid var(--marker); background: #FFFBE3; font-weight: 700; color: var(--ink); }
.form__from { margin-bottom: 16px; }
@media (max-width: 767px) { .form__grid { grid-template-columns: 1fr; } .form > .btn { justify-self: stretch; } }
.ways { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.way { display: grid; align-content: start; gap: 8px; padding: 22px; border: 1px solid var(--rule); border-radius: 4px; }
.way > .i { width: 28px; height: 28px; color: var(--petrol); }
.way h3 { font-size: 1.125rem; font-weight: 800; }
.way p { font-size: .92rem; color: var(--ink-soft); }
.way .btn { justify-self: start; margin-top: 6px; }
@media (max-width: 899px) { .ways { grid-template-columns: 1fr; } }

/* 입학 절차 */
.psteps { display: grid; border-top: 2px solid var(--ink); }
.pstep { display: grid; grid-template-columns: 64px minmax(0, 1fr) 9em; gap: 20px; align-items: start; padding: 26px 0; border-bottom: 1px solid var(--rule); }
.pstep__n { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 50%; border: 2px solid var(--petrol); color: var(--petrol); font-size: 1.3rem; font-weight: 600; }
.pstep:last-child .pstep__n { background: var(--marker); border-color: var(--ink); color: var(--ink); }
.pstep__t { font-size: 1.3rem; font-weight: 800; }
.pstep__k { font-size: .88rem; font-weight: 700; color: var(--petrol); margin: 2px 0 6px; }
.pstep__b p:last-child { color: var(--ink-soft); }
.pstep__w { justify-self: end; padding: 3px 10px; border-radius: 3px; background: var(--paper-tint); font-size: .85rem; font-weight: 700; color: var(--ink); white-space: nowrap; }
@media (max-width: 559px) { .pstep { grid-template-columns: 52px minmax(0, 1fr); } .pstep__w { grid-column: 2; justify-self: start; } }

/* 자주 묻는 질문 */
.qna { display: grid; gap: clamp(36px, 5vw, 56px); }
.qna details { border-bottom: 1px solid var(--rule); }
.qna__group .h2 { margin-bottom: 8px; }
.qna summary { position: relative; display: block; padding: 18px 44px 18px 34px; font-weight: 800; color: var(--ink); cursor: pointer; list-style: none; }
.qna summary::-webkit-details-marker { display: none; }
.qna summary::before { content: "Q"; position: absolute; left: 4px; top: 17px; font-family: var(--font-num); font-weight: 700; color: var(--petrol); }
.qna summary::after { content: "+"; position: absolute; right: 8px; top: 12px; font-size: 1.5rem; color: var(--petrol); }
.qna details[open] summary::after { content: "−"; }
.qna details p { padding: 0 0 20px 34px; color: var(--text); }

/* 성적 관리 — 오답 카드 */
.ocard { position: relative; max-width: 620px; padding: 22px 24px 26px; border: 1px solid var(--rule); border-top: 6px solid var(--petrol); border-radius: 4px; background: #fff; box-shadow: var(--shadow-paper); background-image: repeating-linear-gradient(transparent 0 31px, #EEF3F4 31px 32px); background-position: 0 70px; transform: rotate(-.6deg); }
.ocard__head { display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; padding-bottom: 12px; border-bottom: 1.5px solid var(--ink); font-size: .88rem; font-weight: 700; color: var(--ink); }
.ocard__ex { margin-left: auto; padding: 0 7px; border: 1px dashed var(--ink-soft); border-radius: 3px; color: var(--ink-soft); font-size: .78rem; }
.ocard__q { margin: 16px 0 14px; font-weight: 700; color: var(--ink); }
.ocard__why { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-bottom: 14px; font-size: .94rem; }
.ocard__why li { display: flex; align-items: center; gap: 6px; color: var(--ink-soft); }
.ocard__why .box { display: grid; place-items: center; width: 18px; height: 18px; border: 1.5px solid var(--ink-soft); border-radius: 3px; }
.ocard__why .is-on { color: var(--ink); font-weight: 800; }
.ocard__why .is-on .box { border-color: var(--petrol); background: var(--petrol); color: #fff; }
.ocard__why .is-on .i { width: 13px; height: 13px; stroke-width: 3; }
.ocard__redo { display: grid; gap: 6px; }
.ocard__redo li { display: grid; grid-template-columns: 5em 4em auto; gap: 10px; align-items: center; font-size: .94rem; }
.ocard__memo { position: absolute; right: 18px; bottom: 16px; font-family: var(--font-pen); font-size: 1.45rem; color: var(--c-kor); transform: rotate(-4deg); }
@media (max-width: 559px) { .ocard__memo { position: static; margin-top: 12px; } }
.split { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(24px, 4vw, 56px); align-items: start; }
.split__media { aspect-ratio: 3 / 4; }
.split--rev { grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr); }
.split .h2 { margin-top: 0; }
@media (max-width: 899px) { .split, .split--rev { grid-template-columns: minmax(0, 1fr); } .split__media { aspect-ratio: 16 / 10; } }
.phone { justify-self: center; width: 100%; max-width: 330px; padding: 16px 14px 22px; border: 8px solid var(--ink); border-radius: 30px; background: #F1F4F4; }
.phone__top { padding-bottom: 10px; text-align: center; font-size: .82rem; font-weight: 800; color: var(--ink); }
.phone__top small { margin-left: 4px; padding: 0 6px; border: 1px dashed var(--ink-soft); border-radius: 3px; font-weight: 600; color: var(--ink-soft); }
.bubbles { display: grid; gap: 10px; }
.bubble { justify-self: start; max-width: 92%; padding: 10px 12px; border-radius: 4px 14px 14px 14px; background: #fff; font-size: .88rem; line-height: 1.55; box-shadow: 0 1px 2px rgba(0, 0, 0, .06); }
.bubble time { display: block; margin-top: 4px; font-size: .72rem; color: var(--ink-soft); }

/* 게시판 */
.board-top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; }
.board-search { display: flex; gap: 6px; }
.board-search input { min-height: 42px; width: 220px; padding: 0 12px; border: 1.5px solid var(--rule); border-radius: 4px; font-size: 16px; }
.board-total { margin: 18px 0 10px; font-size: .92rem; color: var(--ink-soft); }
.board-total b { color: var(--petrol); }
.board { width: 100%; border-top: 2px solid var(--ink); }
.board th, .board td { padding: 15px 10px; border-bottom: 1px solid var(--rule); text-align: center; }
.board thead th { font-size: .88rem; font-weight: 800; background: var(--paper-tint); }
.board .td-subject { text-align: left; }
.board .td-subject a { font-weight: 600; color: var(--ink); }
.board .td-subject a:hover { color: var(--petrol); text-decoration: underline; }
.board .td-no, .board .td-date { width: 7em; color: var(--ink-soft); font-size: .9rem; }
.board .td-cate { width: 6em; font-size: .88rem; color: var(--ink-soft); }
.board .is-notice { background: #FFFDF0; }
.pin { display: inline-flex; padding: 0 7px; border-radius: 3px; background: var(--marker); color: var(--ink); font-size: .78rem; font-weight: 800; }
.pager { display: flex; justify-content: center; gap: 6px; margin-top: 24px; }
.pager button { width: 42px; height: 42px; border: 1.5px solid var(--rule); border-radius: 4px; background: #fff; font-weight: 700; }
.pager button[aria-current="page"] { background: var(--ink); border-color: var(--ink); color: #fff; }
@media (max-width: 767px) {
  .board thead { display: none; }
  .board tr { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 2px 10px; padding: 14px 4px; border-bottom: 1px solid var(--rule); }
  .board td { padding: 0; border: 0; text-align: left; width: auto !important; }
  .board .td-no { grid-row: 1; } .board .td-cate { grid-row: 1; }
  .board .td-subject { grid-column: 1 / -1; }
  .board .td-date { grid-column: 1 / -1; }
  .board-search { width: 100%; } .board-search input { flex: 1; width: auto; }
}
.icards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 20px; }
.icard a { display: grid; align-content: start; gap: 8px; height: 100%; padding: 24px 22px; border: 1px solid var(--rule); border-top: 4px solid var(--petrol); border-radius: 4px; transition: border-color .2s, transform .2s var(--ease); }
.icard a:hover { border-color: var(--petrol); transform: translateY(-3px); }
.icard__c { font-size: .82rem; font-weight: 800; color: var(--petrol); }
.icard__t { font-size: 1.15rem; font-weight: 800; line-height: 1.45; }
.icard__x { font-size: .92rem; color: var(--ink-soft); }
.icard time { margin-top: 6px; font-size: .85rem; color: var(--ink-soft); }
@media (max-width: 1023px) { .icards { grid-template-columns: 1fr 1fr; } }
@media (max-width: 599px) { .icards { grid-template-columns: 1fr; } }
.post { max-width: 820px; }
.post__head { padding-bottom: 20px; border-bottom: 2px solid var(--ink); }
.post__cate { font-weight: 800; color: var(--petrol); font-size: .9rem; }
.post__title { margin-top: 6px; font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.1rem); font-weight: 800; }
.post__meta { display: flex; flex-wrap: wrap; gap: 4px 16px; margin-top: 10px; font-size: .9rem; color: var(--ink-soft); }
.post__body { display: grid; gap: 1.05em; padding: 30px 0 36px; border-bottom: 1px solid var(--rule); }
.post__body h3 { margin-top: 10px; font-size: 1.2rem; font-weight: 800; }
.post__body ul, .post__body ol { padding-left: 1.3em; display: grid; gap: 4px; }
.post__body a { color: var(--petrol); text-decoration: underline; text-underline-offset: 3px; }
.post__nav li { display: grid; grid-template-columns: 6em minmax(0, 1fr); gap: 10px; padding: 14px 4px; border-bottom: 1px solid var(--rule); }
.post__nav span { font-weight: 800; color: var(--ink-soft); font-size: .9rem; }

/* =========================================================
   맞춤 화면 ③ 입시 일정 타임라인
   ========================================================= */
.cal__top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 16px 28px; padding: 20px 22px; border: 1px solid var(--rule); border-radius: 4px; background: var(--paper-tint); }
.cal__legend { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: .875rem; color: var(--ink-soft); }
.cal__legend li { display: flex; align-items: center; gap: 6px; }
.ec { width: 14px; height: 14px; border-radius: 3px; }
.ec--academy { background: var(--petrol); }
.ec--exam { background: var(--c-eng); }
.ec--school { background: var(--c-kor); }
.ec--admit { background: var(--ink); box-shadow: inset 0 0 0 3px var(--marker); }
.cal__next { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin: 20px 0; }
.cnext { display: grid; gap: 4px; padding: 16px 18px; border: 1px solid var(--rule); border-left: 6px solid var(--ecc, var(--petrol)); border-radius: 4px; background: #fff; }
.cnext__g { font-size: .82rem; font-weight: 800; color: var(--ink-soft); }
.cnext__d { display: flex; align-items: baseline; gap: 10px; }
.cnext__d b { font-size: 1.8rem; font-weight: 600; color: var(--ink); line-height: 1.1; }
.cnext__d span { font-size: .9rem; color: var(--ink-soft); }
.cnext__t { font-weight: 800; color: var(--ink); }
.cal__strip { position: relative; height: 74px; margin: 6px 0 28px; border-bottom: 2px solid var(--ink); }
.cs-m { position: absolute; bottom: -2px; height: 100%; border-left: 1px solid var(--rule); font-size: .75rem; color: var(--ink-soft); padding-left: 4px; }
.cs-m.is-year { border-left: 2px solid var(--ink); color: var(--ink); font-weight: 800; }
.cs-e { position: absolute; bottom: 8px; height: 10px; min-width: 6px; border-radius: 3px; background: var(--ecc); opacity: .85; }
.cs-e[data-row="1"] { bottom: 22px; } .cs-e[data-row="2"] { bottom: 36px; }
.cs-today { position: absolute; bottom: -8px; top: 0; width: 0; border-left: 2px solid var(--c-kor); }
.cs-today span { position: absolute; top: -2px; left: 4px; padding: 0 6px; border-radius: 3px; background: var(--marker); color: var(--ink); font-size: .75rem; font-weight: 800; white-space: nowrap; }
.ev--academy, .cnext--academy, .cs-e--academy { --ecc: var(--petrol); }
.ev--exam, .cnext--exam, .cs-e--exam { --ecc: var(--c-eng); }
.ev--school, .cnext--school, .cs-e--school { --ecc: var(--c-kor); }
.ev--admit, .cnext--admit, .cs-e--admit { --ecc: var(--ink); }
.cal__months { display: grid; border-top: 2px solid var(--ink); }
.cal__months > li { display: grid; grid-template-columns: 7.5em repeat(4, minmax(0, 1fr)); gap: 0; border-bottom: 1px solid var(--rule); }
.cal__months > li > h3 { padding: 14px 10px 14px 0; font-size: 1rem; font-weight: 800; }
.cal__months > li > ul { grid-column: 2 / -1; display: grid; gap: 6px; padding: 12px 0; }
.cal__cells { display: contents; }
.cal__head { display: grid; grid-template-columns: 7.5em repeat(4, minmax(0, 1fr)); font-size: .85rem; font-weight: 800; color: var(--ink); background: var(--paper-tint); }
.cal__head span { padding: 10px 10px; }
.cal__cell { display: grid; align-content: start; gap: 6px; padding: 10px; border-left: 1px solid var(--rule); min-height: 54px; }
.ev { display: grid; gap: 1px; padding: 7px 10px; border-left: 4px solid var(--ecc); border-radius: 0 3px 3px 0; background: var(--paper-tint); font-size: .88rem; line-height: 1.45; color: var(--ink); }
.ev .num { font-size: .78rem; color: var(--ink-soft); }
.ev small { color: var(--ink-soft); font-size: .78rem; }
.ev.is-past { opacity: .5; }
.ev__m { font-size: .8rem; color: var(--ink-soft); }
.cal__months > li.is-now { background: linear-gradient(90deg, #FFFBE3, #fff 40%); }
.cal__months > li.is-now > h3::after { content: "오늘"; display: inline-block; margin-left: 8px; padding: 0 6px; border-radius: 3px; background: var(--marker); font-size: .72rem; vertical-align: 2px; }
.cal__months > li.cal__todayline { grid-column: 1 / -1; display: flex; border-bottom: 0; align-items: center; gap: 8px; padding: 6px 0; font-size: .8rem; font-weight: 800; color: var(--c-kor); }
.cal__todayline::after { content: ""; flex: 1; border-top: 2px solid var(--c-kor); }
@media (max-width: 899px) {
  .cal__head { display: none; }
  .cal__months > li { grid-template-columns: 1fr; }
  .cal__months > li > h3 { padding: 16px 0 4px; }
  .cal__cells { display: grid; gap: 6px; padding: 0 0 14px; }
  .cal__cell { border-left: 0; padding: 0; min-height: 0; }
  .cal__cell:empty { display: none; }
  .cal__strip { display: none; }
}

/* 텍스트 블록 리빌 · 진행 막대 */
.js [data-text-block]:not(.is-split) { visibility: hidden; }
.tb-timeout [data-text-block] { visibility: visible; }
.block-line { position: relative; display: block; overflow: hidden; }
.block-line__revealer { position: absolute; inset: 0; z-index: 2; transform: scaleX(0); transform-origin: left center; }
.scroll-progress { position: fixed; top: 0; left: 0; right: 0; z-index: 130; height: 3px; background: var(--marker); transform: scaleX(0); transform-origin: left; pointer-events: none; }

@media print {
  .sample-banner, .site-header, .flags, .mbar, .cband, .site-footer, .sub-head { display: none !important; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .01ms !important; animation: none !important; scroll-behavior: auto !important; }
  .hero__leaf { display: none !important; }
  .hl { background-size: 100% 42% !important; }
  .weekcard { opacity: 1 !important; transform: none !important; }
}