/* 다음칸 코딩학원 (가상) — 모눈종이 흰 바탕, 보라·해바라기 노랑, 굵은 테두리. Black Han Sans + Pretendard */
:root {
  --bg: #ffffff;
  --paper: #f7f6ff;
  --grid: #e9e6fb;
  --ink: #17162b;
  --ink-2: #57556f;
  --violet: #5b3df5;
  --violet-d: #3d24c4;
  --violet-l: #e5e0ff;
  --sun: #ffd43b;
  --mint: #2fcf9f;
  --coral: #ff8a65;
  --line: 2px solid var(--ink);
  --shadow: 5px 5px 0 var(--ink);
  --pad: clamp(20px, 5vw, 64px);
  --max: 1280px;
  --wrap: calc(var(--max) + var(--pad) * 2);
  --display: "Black Han Sans", "Pretendard Variable", sans-serif;
  --sans: "Pretendard Variable", Pretendard, -apple-system, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  --mono: ui-monospace, "Cascadia Code", "D2Coding", Consolas, monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 17px/1.7 var(--sans); letter-spacing: -0.01em; word-break: keep-all; overflow-x: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { margin: 0; }
p { margin: 0; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:focus-visible { outline: 3px solid var(--violet); outline-offset: 3px; }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 54px; padding: 0 26px; border: var(--line); font: 700 16.5px/1 var(--sans); text-decoration: none; cursor: pointer; box-shadow: var(--shadow); transition: transform .15s, box-shadow .15s; background: #fff; color: var(--ink); }
.btn:hover { transform: translate(2px, 2px); box-shadow: 3px 3px 0 var(--ink); }
.btn:active { transform: translate(5px, 5px); box-shadow: 0 0 0 var(--ink); }
.btn--sun { background: var(--sun); }
.btn--line { background: #fff; }

/* 머리 */
.hd { position: sticky; top: 0; z-index: 50; background: #fff; border-bottom: var(--line); }
.hd__in { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--pad); height: 76px; display: flex; align-items: center; gap: 32px; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.mark { width: 34px; height: 34px; flex: none; }
.logo__t { font: 400 26px/1 var(--display); letter-spacing: -0.02em; }
.logo__s { font: 700 13px/1 var(--sans); padding: 5px 7px; background: var(--ink); color: #fff; }
.nav { display: flex; gap: 6px; margin-left: auto; }
.nav a { position: relative; padding: 10px 14px; font-weight: 600; text-decoration: none; }
.nav a::after { content: ""; position: absolute; left: 14px; right: 14px; bottom: 4px; height: 4px; background: var(--violet); transform: scaleX(0); transform-origin: left; transition: transform .25s; }
.nav a:hover::after { transform: scaleX(1); }
.hd__cta { min-height: 46px; padding: 0 20px; box-shadow: 4px 4px 0 var(--ink); }
.hd__toggle { display: none; }

/* 첫 화면 */
.hero { position: relative; max-width: var(--wrap); margin: 0 auto; padding: clamp(48px, 7vw, 96px) var(--pad) clamp(64px, 8vw, 112px); display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero::before { content: ""; position: absolute; inset: 0 calc(50% - 50vw); z-index: -1; background-image: linear-gradient(var(--grid) 1.5px, transparent 1.5px), linear-gradient(90deg, var(--grid) 1.5px, transparent 1.5px); background-size: 48px 48px; background-position: center top; -webkit-mask-image: linear-gradient(#000 70%, transparent); mask-image: linear-gradient(#000 70%, transparent); }
.hero__title { font: 400 clamp(56px, 7.6vw, 116px)/1.02 var(--display); letter-spacing: -0.03em; }
.hero__lead { margin-top: 28px; max-width: 29em; font-size: clamp(16.5px, 1.35vw, 19px); color: var(--ink-2); }
.hero__cta { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 36px; }

/* 코드 편집기 (대표 효과 1) */
.editor { background: #1d1b33; color: #e8e6ff; border: var(--line); box-shadow: 10px 10px 0 var(--violet); font: 500 15px/1.75 var(--mono); }
.editor__bar { display: flex; align-items: center; justify-content: space-between; padding: 10px 14px 10px 18px; border-bottom: 2px solid #34315a; }
.editor__file { font-size: 13.5px; color: #b6b2e6; display: inline-flex; align-items: center; gap: 8px; }
.editor__file::before { content: ""; width: 10px; height: 10px; background: var(--sun); }
.editor__run { font: 700 13px/1 var(--sans); padding: 8px 12px; background: var(--mint); color: var(--ink); border: 2px solid var(--ink); cursor: pointer; }
.editor__run:disabled { opacity: .5; cursor: default; }
.editor__code { margin: 0; padding: 18px 20px; min-height: 18.5em; white-space: pre; overflow-x: auto; counter-reset: ln; }
.editor__code .ln { display: block; min-height: 1.75em; }
.editor__code .ln::before { counter-increment: ln; content: counter(ln); display: inline-block; width: 2em; margin-right: 12px; color: #5d5992; text-align: right; }
.editor__code .c { color: #8c88c4; }
.editor__code .k { color: #ffd43b; }
.editor__code .caret { display: inline-block; width: 9px; height: 1.2em; background: var(--mint); vertical-align: -3px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.editor__out { display: flex; align-items: center; gap: 20px; padding: 16px 20px 18px; border-top: 2px solid #34315a; background: #15132a; }
.maze { position: relative; display: grid; grid-template-columns: repeat(4, 34px); grid-auto-rows: 34px; gap: 4px; flex: none; }
.maze .cell { display: grid; place-items: center; background: #2b2850; font: 700 13px/1 var(--sans); color: #8c88c4; }
.maze .wall { background: repeating-linear-gradient(45deg, #4a4680 0 4px, #2b2850 4px 8px); }
.maze .goal { background: var(--sun); color: var(--ink); }
.maze .cell.is-trail { background: #4b37c9; color: #fff; }
.bot { position: absolute; left: 0; top: 0; width: 34px; height: 34px; background: var(--mint); border: 2px solid #fff; transition: transform .32s cubic-bezier(.5, 0, .2, 1); }
.editor__log { font-size: 14px; color: #b6b2e6; }
.editor__log.is-done { color: var(--mint); }

/* 섹션 머리 */
.sec-head { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 48px; align-items: end; margin-bottom: clamp(32px, 4vw, 56px); }
.sec-head h2 { font: 400 clamp(38px, 4.8vw, 68px)/1.08 var(--display); letter-spacing: -0.02em; }
.sec-head p { color: var(--ink-2); max-width: 32em; }

/* 과정 사다리 (대표 효과 2) */
.course { max-width: var(--wrap); margin: 0 auto; padding: clamp(72px, 9vw, 120px) var(--pad); }
.ladder { display: grid; grid-template-columns: 360px 1fr; gap: clamp(32px, 5vw, 80px); }
.ladder__meter { position: relative; }
.ladder__sticky { position: sticky; top: 120px; padding: 28px; border: var(--line); background: var(--paper); box-shadow: var(--shadow); }
.ladder__now { font: 400 22px/1 var(--display); color: var(--violet); }
.ladder__now span { font-size: 64px; }
.ladder__blocks { display: grid; grid-template-columns: repeat(4, 1fr); align-items: end; gap: 8px; height: 180px; margin: 22px 0 18px; }
.ladder__blocks span { border: var(--line); background: #fff; transition: background .4s; }
.ladder__blocks span:nth-child(1) { height: 25%; }
.ladder__blocks span:nth-child(2) { height: 50%; }
.ladder__blocks span:nth-child(3) { height: 75%; }
.ladder__blocks span:nth-child(4) { height: 100%; }
.ladder__blocks span.on { background: var(--violet); }
.ladder__blocks span.now { background: var(--sun); }
.ladder__name { font: 400 30px/1.2 var(--display); }
.ladder__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 24px; }
.stage { border: var(--line); padding: clamp(24px, 3vw, 40px); background: #fff; transition: background .4s, box-shadow .3s, transform .3s; }
.stage.is-active { background: var(--violet-l); box-shadow: var(--shadow); transform: translate(-3px, -3px); }
.stage__n { font: 700 14px/1 var(--sans); color: var(--violet); }
.stage h3 { font: 400 clamp(32px, 3.4vw, 46px)/1.15 var(--display); margin: 8px 0 18px; }
.stage__meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 16px; }
.stage__meta div { display: flex; border: 2px solid var(--ink); font-size: 14px; }
.stage__meta dt { padding: 4px 10px; background: var(--ink); color: #fff; font-weight: 700; }
.stage__meta dd { margin: 0; padding: 4px 12px; font-weight: 600; background: #fff; }
.stage > p { color: var(--ink-2); max-width: 34em; }
.stage .stage__out { margin-top: 16px; color: var(--ink); font-weight: 600; display: flex; gap: 10px; align-items: center; }
.stage__out b { font-size: 13px; padding: 3px 8px; background: var(--sun); border: 2px solid var(--ink); }

/* 수업 방식 */
.way { background: var(--violet); color: #fff; border-top: var(--line); border-bottom: var(--line); display: grid; grid-template-columns: 1fr 1fr; }
.way__pic { margin: 0; border-right: var(--line); min-height: 560px; }
.way__pic img { width: 100%; height: 100%; object-fit: cover; }
.way__text { padding: clamp(48px, 7vw, 104px) clamp(24px, 6vw, 96px); align-self: center; }
.way__text h2 { font: 400 clamp(38px, 4.4vw, 62px)/1.12 var(--display); }
.way__text ul { list-style: none; padding: 0; margin: 40px 0 0; display: grid; gap: 24px; }
.way__text li { display: grid; grid-template-columns: 120px 1fr; gap: 16px; padding-top: 20px; border-top: 2px solid rgba(255, 255, 255, 0.35); color: #e3ddff; }
.way__text li b { color: var(--sun); font-size: 18px; }

/* 강사 */
.teachers { max-width: var(--wrap); margin: 0 auto; padding: clamp(72px, 9vw, 120px) var(--pad); }
.tch__list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.tch { border: var(--line); padding: 24px; background: #fff; }
.tch__tile { aspect-ratio: 1.3; border: var(--line); display: grid; place-items: center; margin-bottom: 20px; background-image: linear-gradient(rgba(23, 22, 43, .12) 2px, transparent 2px), linear-gradient(90deg, rgba(23, 22, 43, .12) 2px, transparent 2px); background-size: 24px 24px; }
.tch__tile span { font: 400 96px/1 var(--display); }
.tch__tile--0 { background-color: var(--sun); }
.tch__tile--1 { background-color: var(--violet-l); }
.tch__tile--2 { background-color: #c8f3e4; }
.tch h3 { font: 400 28px/1.2 var(--display); }
.tch__role { font-weight: 700; color: var(--violet); margin: 4px 0 8px; }
.tch p:last-child { color: var(--ink-2); font-size: 15.5px; }

/* 시간표 */
.timetable { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--pad) clamp(72px, 9vw, 120px); }
.tt__filter { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 20px; }
.tt__filter button { display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; border: var(--line); background: #fff; font: 700 15px/1 var(--sans); cursor: pointer; color: var(--ink); }
.tt__filter button[aria-pressed="true"] { background: var(--ink); color: #fff; }
.sw { width: 12px; height: 12px; border: 2px solid currentColor; }
.sw--b, .cls--b { background: #c8f3e4; }
.sw--p, .cls--p { background: var(--sun); }
.sw--w, .cls--w { background: var(--violet-l); }
.sw--a, .cls--a { background: #ffd1c2; }
.tt__wrap { overflow-x: auto; border: var(--line); }
.tt__table { width: 100%; min-width: 720px; border-collapse: collapse; table-layout: fixed; }
.tt__table th, .tt__table td { border: 1.5px solid #d9d6ee; padding: 8px; height: 72px; text-align: center; vertical-align: middle; }
.tt__table thead th { height: auto; padding: 14px 8px; background: var(--paper); font-weight: 700; }
.tt__table tbody th { font: 700 15px/1 var(--mono); background: var(--paper); width: 92px; }
.cls { display: flex; flex-direction: column; justify-content: center; height: 100%; min-height: 54px; border: 2px solid var(--ink); font-weight: 700; font-size: 14.5px; line-height: 1.3; transition: opacity .3s, transform .3s; }
.cls small { font: 500 12px/1 var(--mono); margin-top: 4px; }
.tt[data-f]:not([data-f="all"]) .cls { opacity: .18; transform: scale(.94); }
.tt[data-f="b"] .cls--b, .tt[data-f="p"] .cls--p, .tt[data-f="w"] .cls--w, .tt[data-f="a"] .cls--a { opacity: 1; transform: none; box-shadow: 3px 3px 0 var(--ink); }
.tt__note { margin-top: 14px; font-size: 14.5px; color: var(--ink-2); }

/* 숫자 */
.numbers { background: var(--ink); color: #fff; }
.numbers ul { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--pad); list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); }
.numbers li { padding: 48px 24px 44px; border-left: 2px solid #3a3860; display: grid; gap: 6px; }
.numbers li:first-child { border-left: 0; padding-left: 0; }
.numbers b { font: 400 clamp(52px, 6vw, 84px)/1 var(--display); color: var(--sun); font-weight: 400; }
.numbers span { color: #c6c3e8; font-size: 15px; }

/* 결과물 */
.works { max-width: var(--wrap); margin: 0 auto; padding: clamp(72px, 9vw, 120px) var(--pad); }
.works__list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.work { border: var(--line); background: #fff; }
.work__pic { aspect-ratio: 16 / 10; border-bottom: var(--line); display: grid; place-items: center; color: var(--ink); }
.work--w .work__pic { background: var(--violet-l); }
.work--p .work__pic { background: #fff3c2; }
.work--b .work__pic { background: #c8f3e4; }
.work__pic svg { width: 70%; }
.work__who, .work h3, .work > p:last-child { padding: 0 24px; }
.work__who { margin-top: 20px; font-size: 13.5px; font-weight: 700; color: var(--violet); }
.work h3 { font-size: 21px; font-weight: 800; margin: 6px 0 8px; }
.work > p:last-child { color: var(--ink-2); font-size: 15.5px; padding-bottom: 26px; }

/* 상담 */
.consult { max-width: var(--wrap); margin: 0 auto clamp(72px, 9vw, 120px); padding: 0 var(--pad); display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.consult__text h2 { font: 400 clamp(38px, 4.8vw, 68px)/1.08 var(--display); }
.consult__text > p { margin: 20px 0 32px; color: var(--ink-2); max-width: 28em; }
.consult__info { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.consult__info li { display: grid; grid-template-columns: 56px 1fr; gap: 12px; padding: 12px 0; border-top: 2px dashed #d0cde6; }
.consult__info b { font-weight: 800; }
.consult__info a { font-weight: 700; }
.form { border: var(--line); box-shadow: 10px 10px 0 var(--sun); padding: clamp(24px, 3.5vw, 40px); display: grid; gap: 18px; background: #fff; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form label { display: grid; gap: 8px; font-weight: 700; font-size: 15px; }
.form input:not([type]), .form input[inputmode], .form select { font: 500 16px/1.4 var(--sans); padding: 13px 14px; border: var(--line); background: var(--paper); color: var(--ink); width: 100%; border-radius: 0; }
.form input:focus, .form select:focus { outline: none; background: #fff; box-shadow: 4px 4px 0 var(--violet); }
.pick { border: 0; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.pick legend { font-weight: 700; font-size: 15px; margin-bottom: 8px; padding: 0; }
.pick label { display: block; }
.pick input { position: absolute; opacity: 0; }
.pick span { display: inline-block; padding: 10px 14px; border: var(--line); font-weight: 600; cursor: pointer; }
.pick input:checked + span { background: var(--violet); color: #fff; }
.pick input:focus-visible + span { outline: 3px solid var(--violet); outline-offset: 3px; }
.form .agree { display: flex; gap: 10px; align-items: flex-start; font-weight: 500; color: var(--ink-2); }
.agree input { width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--violet); flex: none; }
.form__msg { font-weight: 700; color: var(--violet); min-height: 1.4em; font-size: 15px; }

/* 바닥 */
.ft { background: var(--ink); color: #c6c3e8; padding: 56px var(--pad) 40px; font-size: 14.5px; }
.ft__in { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: auto 1fr auto; gap: 40px; align-items: start; }
.logo--inv { color: #fff; }
.logo--inv .logo__s { background: var(--sun); color: var(--ink); }
.ft__cols { display: grid; gap: 8px; }
.ft__cols a { color: #fff; }
.ft__nav { display: grid; gap: 8px; }
.ft__nav a { color: #fff; text-decoration: none; font-weight: 700; }
.ft__note { max-width: var(--max); margin: 32px auto 0; padding-top: 20px; border-top: 1px solid #3a3860; font-size: 13px; color: #9b98c2; }
.fab { display: none; }

/* 서브 */
.phero { position: relative; max-width: var(--wrap); margin: 0 auto; padding: clamp(56px, 8vw, 104px) var(--pad) clamp(40px, 6vw, 72px); }
.phero::before { content: ""; position: absolute; inset: 0 calc(50% - 50vw); z-index: -1; background-image: linear-gradient(var(--grid) 1.5px, transparent 1.5px), linear-gradient(90deg, var(--grid) 1.5px, transparent 1.5px); background-size: 48px 48px; -webkit-mask-image: linear-gradient(#000 40%, transparent); mask-image: linear-gradient(#000 40%, transparent); }
.phero h1 { font: 400 clamp(56px, 8vw, 120px)/1 var(--display); letter-spacing: -0.03em; }
.phero p { margin-top: 20px; max-width: 32em; font-size: clamp(16.5px, 1.4vw, 19px); color: var(--ink-2); }
.letter { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--pad); display: grid; grid-template-columns: 280px 1fr; gap: clamp(32px, 6vw, 88px); align-items: start; }
.letter__tile { aspect-ratio: 1; border: var(--line); box-shadow: 10px 10px 0 var(--violet); background-color: var(--sun); background-image: linear-gradient(rgba(23, 22, 43, .12) 2px, transparent 2px), linear-gradient(90deg, rgba(23, 22, 43, .12) 2px, transparent 2px); background-size: 28px 28px; display: grid; place-items: center; }
.letter__tile span { font: 400 140px/1 var(--display); }
.letter__body h2 { font: 400 clamp(32px, 3.6vw, 50px)/1.15 var(--display); margin-bottom: 24px; }
.letter__body p { color: var(--ink-2); margin-bottom: 16px; max-width: 38em; }
.letter__body .letter__sign { color: var(--ink); margin-top: 24px; }
.letter__sign b { font: 400 26px/1 var(--display); margin-left: 6px; }
.rules { max-width: var(--wrap); margin: clamp(72px, 9vw, 120px) auto 0; padding: 0 var(--pad); }
.rules ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); border: var(--line); }
.rules li { padding: 32px; border-left: var(--line); }
.rules li:first-child { border-left: 0; background: var(--violet-l); }
.rules li:nth-child(2) { background: #fff3c2; }
.rules li:nth-child(3) { background: #c8f3e4; }
.rules h3 { font: 400 28px/1.2 var(--display); margin-bottom: 12px; }
.rules p { color: var(--ink-2); }
.history { max-width: var(--wrap); margin: 0 auto; padding: clamp(72px, 9vw, 120px) var(--pad) 0; }
.his { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; }
.his li { padding: 24px 20px 0 0; display: grid; gap: 12px; position: relative; }
.his li::before { content: ""; height: 14px; border: var(--line); background: var(--violet); margin-bottom: 4px; }
.his li:nth-child(odd)::before { background: var(--sun); }
.his b { font: 400 40px/1 var(--display); }
.his span { color: var(--ink-2); font-size: 15.5px; }
.rooms { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--pad) clamp(72px, 9vw, 120px); }
.rooms__grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 24px; }
.rooms__grid figure { margin: 0; border: var(--line); background: #fff; }
.rooms__grid img { width: 100%; aspect-ratio: 4 / 3.4; object-fit: cover; border-bottom: var(--line); }
.rooms__grid figcaption { padding: 12px 16px; font-weight: 700; }
.plist { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--pad); }
.plist ol { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.pcard { border: var(--line); padding: 24px; display: flex; flex-direction: column; gap: 10px; background: #fff; }
.pcard:nth-child(2) { box-shadow: 8px 8px 0 var(--violet); }
.pcard__lv { display: flex; gap: 5px; }
.pcard__lv i { width: 22px; height: 22px; border: 2px solid var(--ink); }
.pcard__lv i.on { background: var(--violet); }
.pcard h2 { font: 400 32px/1.15 var(--display); margin-top: 8px; }
.pcard__meta { font-weight: 700; font-size: 14.5px; }
.pcard > p:not(.pcard__meta) { color: var(--ink-2); font-size: 15.5px; }
.pcard__more { margin-top: auto; padding-top: 8px; font-weight: 800; color: var(--violet); }
.pdetail { max-width: var(--wrap); margin: clamp(72px, 9vw, 120px) auto 0; padding: 0 var(--pad); }
.pdetail__head { padding: clamp(28px, 4vw, 56px); border: var(--line); background: var(--violet); color: #fff; }
.pdetail__lv { display: inline-block; font-weight: 800; padding: 4px 10px; background: var(--sun); color: var(--ink); border: 2px solid var(--ink); }
.pdetail__head h2 { font: 400 clamp(44px, 6vw, 84px)/1.05 var(--display); margin: 16px 0 20px; }
.pdetail__head p { color: #e3ddff; max-width: 40em; }
.pdetail__grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 0; border: var(--line); border-top: 0; }
.pdetail__grid > section { padding: clamp(24px, 3.5vw, 44px); border-right: var(--line); }
.pdetail__grid h3 { font: 400 26px/1.2 var(--display); margin-bottom: 16px; }
.weeks { width: 100%; border-collapse: collapse; }
.weeks th, .weeks td { text-align: left; padding: 14px 10px; border-bottom: 2px dashed #d0cde6; vertical-align: top; }
.weeks thead th { font-size: 13.5px; color: var(--ink-2); border-bottom: var(--line); }
.weeks tbody th { font: 700 14.5px/1.6 var(--mono); white-space: nowrap; color: var(--violet); }
.weeks td:last-child { font-weight: 600; }
.pdetail__side { padding: clamp(24px, 3.5vw, 44px); background: var(--paper); display: flex; flex-direction: column; gap: 10px; }
.pdetail__side p { color: var(--ink-2); margin-bottom: 18px; }
.pdetail__side .btn { align-self: flex-start; }
.fee { max-width: var(--wrap); margin: clamp(72px, 9vw, 120px) auto; padding: 0 var(--pad); }
.fee h2 { font: 400 clamp(38px, 4.8vw, 64px)/1.08 var(--display); margin-bottom: 28px; }
.fee__wrap { overflow-x: auto; border: var(--line); }
.fee table { width: 100%; min-width: 560px; border-collapse: collapse; }
.fee th, .fee td { text-align: left; padding: 18px 20px; border-bottom: 1.5px solid #d9d6ee; }
.fee thead th { background: var(--ink); color: #fff; font-size: 14px; }
.fee td:last-child { font: 700 17px/1 var(--mono); }
.fee__note { margin-top: 14px; color: var(--ink-2); font-size: 14.5px; }

@media (max-width: 1100px) {
  .ladder { grid-template-columns: 280px 1fr; }
  .plist ol { grid-template-columns: repeat(2, 1fr); }
  .his { grid-template-columns: repeat(3, 1fr); row-gap: 28px; }
}
@media (max-width: 860px) {
  body { font-size: 16px; }
  .hd__in { height: 64px; gap: 12px; }
  .logo__t { font-size: 23px; }
  .hd__cta { display: none; }
  .hd__toggle { display: grid; gap: 5px; place-content: center; margin-left: auto; width: 48px; height: 48px; border: var(--line); background: var(--sun); cursor: pointer; }
  .hd__toggle i { display: block; width: 20px; height: 2.5px; background: var(--ink); transition: transform .25s, opacity .25s; }
  .hd__toggle[aria-expanded="true"] i:nth-of-type(1) { transform: translateY(7.5px) rotate(45deg); }
  .hd__toggle[aria-expanded="true"] i:nth-of-type(2) { opacity: 0; }
  .hd__toggle[aria-expanded="true"] i:nth-of-type(3) { transform: translateY(-7.5px) rotate(-45deg); }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; gap: 0; background: #fff; border-bottom: var(--line); padding: 8px var(--pad) 20px; }
  .nav.is-open { display: flex; }
  .nav a { padding: 16px 0; font: 400 26px/1.2 var(--display); border-bottom: 2px dashed #d0cde6; }
  .nav a::after { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 40px; }
  .hero__title { font-size: clamp(52px, 15vw, 76px); }
  .hero__cta .btn { flex: 1 1 auto; }
  .editor { font-size: 13px; box-shadow: 6px 6px 0 var(--violet); margin-right: 6px; }
  .editor__code { min-height: 17.5em; padding: 14px 12px; }
  .editor__code .ln::before { width: 1.4em; margin-right: 8px; }
  .maze { grid-template-columns: repeat(4, 28px); grid-auto-rows: 28px; }
  .bot { width: 28px; height: 28px; }
  .sec-head { grid-template-columns: 1fr; }
  .ladder { grid-template-columns: 1fr; }
  .ladder__meter { position: sticky; top: 64px; z-index: 5; margin: 0 calc(var(--pad) * -1); }
  .ladder__sticky { position: static; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 14px; padding: 12px var(--pad); box-shadow: none; border-left: 0; border-right: 0; }
  .ladder__now { font-size: 15px; }
  .ladder__now span { font-size: 30px; }
  .ladder__blocks { height: 40px; margin: 0; gap: 4px; }
  .ladder__name { font-size: 20px; }
  .way { grid-template-columns: 1fr; }
  .way__pic { min-height: 0; aspect-ratio: 4 / 3; border-right: 0; border-bottom: var(--line); }
  .way__text li { grid-template-columns: 1fr; gap: 4px; }
  .tch__list, .works__list { grid-template-columns: 1fr; }
  .tch { display: grid; grid-template-columns: 104px 1fr; column-gap: 18px; align-items: center; padding: 16px; }
  .tch__tile { grid-row: span 3; aspect-ratio: 1; margin: 0; }
  .tch__tile span { font-size: 54px; }
  .numbers ul { grid-template-columns: 1fr 1fr; }
  .numbers li { padding: 28px 16px; }
  .numbers li:nth-child(3) { border-left: 0; padding-left: 0; }
  .numbers li:nth-child(n+3) { border-top: 2px solid #3a3860; }
  .consult { grid-template-columns: 1fr; }
  .form { box-shadow: 6px 6px 0 var(--sun); margin-right: 6px; }
  .form__row { grid-template-columns: 1fr; }
  .ft__in { grid-template-columns: 1fr; gap: 24px; }
  .ft { padding-bottom: 96px; }
  .fab { display: inline-flex; align-items: center; position: fixed; z-index: 60; right: 16px; bottom: 16px; min-height: 56px; padding: 0 22px; background: var(--sun); color: var(--ink); border: var(--line); box-shadow: 4px 4px 0 var(--ink); font-weight: 800; text-decoration: none; }
  .letter { grid-template-columns: 1fr; }
  .letter__tile { width: 160px; box-shadow: 6px 6px 0 var(--violet); }
  .letter__tile span { font-size: 80px; }
  .rules ul { grid-template-columns: 1fr; }
  .rules li { border-left: 0; border-top: var(--line); }
  .rules li:first-child { border-top: 0; }
  .his { grid-template-columns: 1fr 1fr; }
  .rooms__grid { grid-template-columns: 1fr; }
  .plist ol { grid-template-columns: 1fr; }
  .pcard:nth-child(2) { box-shadow: 6px 6px 0 var(--violet); margin-right: 6px; }
  .pdetail__grid { grid-template-columns: 1fr; }
  .pdetail__grid > section { border-right: 0; border-bottom: var(--line); }
  .weeks th, .weeks td { padding: 12px 6px; font-size: 14.5px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .bot, .stage, .ladder__blocks span, .cls { transition: none; }
  .editor__code .caret { animation: none; }
}