/* Apple DESIGN.md: 17px body, 18px cards, capsule actions, generous white space.
   Brand palette follows the supplied academy logo rather than Apple's blue. */
:root {
    --academy-navy: #303d80;
    --academy-blue: #303d80;
    --academy-text: #252733;
    --academy-muted: #686c79;
    --academy-body: #5c606e;
    --academy-light: #f6f7fa;
    --academy-border: #e7e8ee;
    --academy-yellow: #f3ca29;
    --section-space: 112px;
}
html { scroll-behavior: smooth; }
body { margin: 0; background: #fff; color: var(--academy-text); font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif; font-size: 17px; -webkit-font-smoothing: antialiased; }
a { text-decoration: none; }
p { line-height: 1.85; }
.container { width: 100%; max-width: 1120px; padding-left: 32px; padding-right: 32px; }
#main-content { scroll-margin-top: 130px; }
#main-content:focus,#main-content h1:focus { outline: none; }
.simple-page { overflow: clip; }
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible { outline: 3px solid var(--academy-navy); outline-offset: 5px; }
.skip-link { position: fixed; top: 10px; left: 16px; z-index: 300; background: #fff; color: var(--academy-navy); padding: 12px 18px; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.96); border: 0; }
.academy-header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 104px; }
.academy-logo { display: inline-flex; align-items: center; gap: 10px; font-size: 19px; font-weight: 700; line-height: 1.3; color: var(--academy-navy); letter-spacing: -.04em; white-space: nowrap; }
.academy-logo:hover { color: var(--academy-navy); }
.academy-logo small { display: block; margin-top: 4px; color: var(--academy-muted); font-size: 11px; letter-spacing: .1em; font-weight: 400; }
.brand-mark { width: 8px; height: 31px; border-radius: 3px; background: var(--academy-yellow); }
.academy-menu { position: relative; isolation: isolate; display: flex; align-items: center; gap: 2px; padding: 5px; border-radius: 999px; background: #f3f4f8; }
.site-header .academy-menu .nav-link { position: relative; z-index: 1; display: flex; align-items: center; justify-content: center; min-height: 44px; margin: 0; padding: 11px 20px; color: var(--academy-body); font-size: 14px; font-weight: 600; white-space: nowrap; transition: color .25s ease; }
.site-header .academy-menu .nav-link:after { content: none; }
.site-header .academy-menu .nav-link:hover { color: var(--academy-navy); transform: none; }
.site-header .academy-menu .nav-link[aria-current="page"] { color: #fff; text-decoration: none; }
.menu-indicator { position: absolute; top: 5px; left: 0; height: calc(100% - 10px); background: var(--academy-navy); border-radius: 999px; opacity: 0; pointer-events: none; }
.menu-indicator.is-ready { transition: transform .36s cubic-bezier(.2,.75,.25,1), width .36s cubic-bezier(.2,.75,.25,1), opacity .2s ease; }
.academy-nav-button,.simple-button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; padding: 13px 25px; min-height: 48px; border: 1px solid var(--academy-navy); border-radius: 999px; background: var(--academy-navy); color: #fff; font-size: 16px; font-weight: 600; line-height: 1.4; transition: transform .25s ease, box-shadow .25s ease; }
.academy-nav-button { padding: 11px 19px; font-size: 13px; min-height: 44px; white-space: nowrap; }
.simple-button-secondary,.simple-button-light { color: var(--academy-navy); background: #fff; border-color: var(--academy-border); }
.simple-button:hover,.academy-nav-button:hover { background: var(--academy-navy); color: #fff; }
.simple-button-secondary:hover,.simple-button-light:hover { background: #fff; color: var(--academy-navy); }
.simple-button:active,.academy-nav-button:active { transform: scale(.97); }
.simple-text-link { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; padding: 10px 0; color: var(--academy-navy); font-size: 16px; font-weight: 600; }
.simple-text-link:hover { color: var(--academy-navy); text-decoration: underline; text-underline-offset: 6px; }
.simple-kicker { font-size: 14px; font-weight: 600; letter-spacing: .015em; color: var(--academy-navy); margin: 0 0 24px; }
.simple-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-top: 34px; }
.home-intro { padding: 108px 0 110px; text-align: center; background: #fff; }
.home-intro h1 { margin: 0; font-size: clamp(40px,4.4vw,58px); font-weight: 600; line-height: 1.35; letter-spacing: -.05em; color: var(--academy-text); word-break: keep-all; }
.home-intro h1 span { color: var(--academy-navy); }
.home-intro-copy { max-width: 560px; margin: 30px auto 0; font-size: 19px; line-height: 1.85; color: var(--academy-body); word-break: keep-all; }
.home-intro .simple-actions { justify-content: center; }
.home-intro-note { margin: 24px 0 0; color: var(--academy-muted); font-size: 13px; }
.simple-hero { padding: 92px 0 100px; background: #fff; border-bottom: 1px solid var(--academy-border); }
.simple-hero h1 { max-width: 700px; margin: 0; color: var(--academy-text); font-size: clamp(36px,3.8vw,50px); font-weight: 600; line-height: 1.45; letter-spacing: -.045em; word-break: keep-all; }
.simple-lead { max-width: 560px; margin: 28px 0 0; font-size: 17px; color: var(--academy-body); line-height: 1.9; word-break: keep-all; }
.simple-section { padding: var(--section-space) 0; }
.simple-soft,.home-program-section { background: var(--academy-light); }
.simple-heading { margin-bottom: 48px; }
.simple-section h2,.simple-cta h2 { margin: 0; color: var(--academy-text); font-size: clamp(28px,3vw,36px); font-weight: 600; line-height: 1.5; letter-spacing: -.04em; word-break: keep-all; }
.simple-copy { max-width: 560px; margin: 0 0 18px; color: var(--academy-body); font-size: 17px; line-height: 1.9; word-break: keep-all; }
.simple-two { display: grid; grid-template-columns: 1.1fr 1fr; gap: 76px; align-items: start; }
.simple-two h2 + .simple-copy { margin-top: 28px; }
.simple-two .simple-text-link { margin-top: 24px; }
.simple-list { border-top: 1px solid var(--academy-border); }
.simple-list article { display: grid; grid-template-columns: 30% 1fr; gap: 32px; align-items: center; min-height: 110px; padding: 30px 0; border-bottom: 1px solid var(--academy-border); }
.simple-list h3,.simple-info-grid h3,.simple-subject-grid h3 { margin: 0 0 10px; color: var(--academy-text); font-size: 20px; line-height: 1.5; font-weight: 600; letter-spacing: -.025em; }
.simple-list h3 { margin: 0; }
.simple-list p,.simple-info-grid p,.simple-subject-grid p { margin: 0; color: var(--academy-body); font-size: 17px; line-height: 1.85; word-break: keep-all; }
.simple-phase-list { display: grid; grid-auto-rows: 1fr; border-top: 1px solid var(--academy-border); }
.simple-phase-list > div { display: grid; grid-template-columns: 180px 1fr; gap: 32px; align-items: center; min-height: 110px; padding: 28px 0; border-bottom: 1px solid var(--academy-border); }
.simple-phase-list strong { color: var(--academy-navy); font-size: 22px; font-weight: 600; }
.simple-phase-list small { margin-left: 6px; font-size: 14px; font-weight: 400; }
.simple-phase-list span { color: var(--academy-body); line-height: 1.85; word-break: keep-all; }
.simple-subject-grid,.simple-info-grid,.home-stage-grid { display: grid; gap: 24px; grid-auto-rows: 1fr; grid-template-columns: repeat(3,minmax(0,1fr)); }
.simple-info-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
.simple-subject-grid article,.simple-info-grid article,.home-stage-grid article { padding: 32px; border: 1px solid var(--academy-border); border-radius: 18px; background: #fff; transition: transform .3s cubic-bezier(.2,.65,.3,1),box-shadow .3s ease; }
.simple-subject-grid article { min-height: 190px; }
.simple-info-grid article { min-height: 230px; }
.home-stage-grid article { padding: 36px; min-height: 270px; border-color: transparent; }
.home-stage-grid h3 { color: var(--academy-navy); font-size: 36px; font-weight: 600; margin: 18px 0 22px; letter-spacing: -.04em; }
.home-stage-grid p { margin: 0; color: var(--academy-body); font-size: 16px; line-height: 1.9; word-break: keep-all; }
.home-stage-grid .stage-range { font-size: 13px; color: var(--academy-muted); }
.simple-more { margin-top: 28px; }
.simple-note { width: 100%; max-width: none; border-top: 1px solid var(--academy-border); padding: 24px 0 0; margin: 28px 0 16px; font-size: 16px; }
.academy-principles article { padding: 0 0 28px; margin-bottom: 28px; border-bottom: 1px solid var(--academy-border); }
.academy-principles article:last-child { margin-bottom: 0; }
.academy-principles h3 { margin: 0 0 12px; font-size: 21px; font-weight: 600; color: var(--academy-navy); }
.academy-principles p { margin: 0; font-size: 17px; color: var(--academy-body); }
.simple-steps { padding: 0; margin: 0; list-style: none; border-top: 1px solid var(--academy-border); }
.simple-steps li { padding: 26px 0; min-height: 112px; border-bottom: 1px solid var(--academy-border); }
.simple-steps li:before { content: none; }
.simple-steps strong { display: block; font-size: 20px; font-weight: 600; color: var(--academy-text); }
.simple-steps span { display: block; margin-top: 10px; font-size: 17px; line-height: 1.85; color: var(--academy-body); word-break: keep-all; }
.simple-faq { border-top: 1px solid var(--academy-border); }
.simple-faq details { padding: 24px 0; border-bottom: 1px solid var(--academy-border); }
.simple-faq summary { position: relative; padding: 8px 36px 8px 0; min-height: 44px; font-size: 18px; font-weight: 600; line-height: 1.7; color: var(--academy-text); cursor: pointer; list-style: none; }
.simple-faq summary::-webkit-details-marker { display: none; }
.simple-faq summary:after { position: absolute; right: 8px; top: 8px; content: '+'; font-weight: 400; color: var(--academy-navy); }
.simple-faq details[open] summary:after { content: '−'; }
.simple-faq p { max-width: 760px; margin: 20px 36px 0 0; color: var(--academy-body); font-size: 17px; word-break: keep-all; }
.simple-cta { padding: 88px 0; background: #f6f7fb; }
.simple-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 44px; }
.simple-cta .simple-kicker { display: none; }
.simple-cta h2 { font-size: 28px; }
.simple-cta p:last-child { margin: 18px 0 0; color: var(--academy-body); font-size: 16px; }
.simple-cta .simple-button { white-space: nowrap; background: var(--academy-navy); color: #fff; border-color: var(--academy-navy); }
.academy-footer { padding: 48px 0; background: #fff; border-top: 1px solid var(--academy-border); }
.academy-footer-layout { display: flex; align-items: flex-start; justify-content: space-between; gap: 32px; }
.academy-footer-inner strong { font-size: 16px; color: var(--academy-navy); }
.academy-footer-inner p { margin: 12px 0 0; font-size: 13px; color: var(--academy-muted); }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.footer-nav a { display: inline-flex; align-items: center; min-height: 44px; font-size: 13px; color: var(--academy-body); }
.footer-nav a:hover { color: var(--academy-navy); text-decoration: underline; text-underline-offset: 6px; }
/* Preserve native application forms and their server-side behavior. */
.reservation-hero { padding: 72px 0; background: #fff; border-bottom: 1px solid var(--academy-border); }
.reservation-hero-content { max-width: 800px; margin: 0 auto; text-align: left; }
.reservation-hero h1 { margin: 0 0 24px; font-size: 42px; line-height: 1.4; font-weight: 600; letter-spacing: -.04em; color: var(--academy-text); }
.reservation-hero h1 span { display: inline; }
.reservation-hero .academy-eyebrow { color: var(--academy-navy); font-size: 14px; letter-spacing: 0; }
.reservation-hero-content > p:last-child { margin: 0; max-width: 660px; color: var(--academy-body); font-size: 17px; line-height: 1.9; }
.reservation-section { padding: 64px 0 96px; background: #fff; }
.reservation-layout { display: block; max-width: 800px; margin: 0 auto; }
.reservation-form-box { padding: 40px; border: 1px solid var(--academy-border); border-radius: 18px; box-shadow: none; }
.reservation-form-heading { padding-bottom: 28px; }
.reservation-form-heading .academy-eyebrow { display: none; }
.reservation-form-heading h2 { font-size: 26px; font-weight: 600; }
.reservation-form-section { padding: 32px 0; }
.reservation-form-section-title { margin-bottom: 24px; gap: 0; }
.reservation-form-section-title > span { display: none; }
.reservation-form-section-title h3 { font-size: 20px; font-weight: 600; }
.reservation-form-section-title p { font-size: 15px; }
.reservation-form-box .form-label { font-size: 16px; font-weight: 600; }
.reservation-form-box .academy-input { min-height: 52px; border-radius: 11px; font-size: 17px; }
.reservation-schedule-notice,.privacy-box { border-radius: 11px; background: var(--academy-light); }
.reservation-schedule-notice p,.privacy-box p { font-size: 15px; color: var(--academy-body); }
.reservation-privacy-check { display: flex; gap: 10px; padding: 12px 0 12px 24px; align-items: flex-start; }
.reservation-privacy-check label { font-size: 15px; line-height: 1.8; cursor: pointer; }
.reservation-submit-button { border-radius: 999px; font-weight: 600; background: var(--academy-navy); color: #fff; min-height: 52px; transition: transform .25s ease; }
.reservation-submit-button:hover { background: var(--academy-navy); color: #fff; transform: scale(1.01); }
.reservation-complete-section { min-height: 0; padding: 72px 0; background: #fff; }
.reservation-complete-box { padding: 40px; border-radius: 18px; box-shadow: none; }
.reservation-complete-box h1 { font-size: 36px; font-weight: 600; line-height: 1.5; }
.reservation-complete-icon { width: 48px; height: 48px; font-size: 23px; background: var(--academy-navy); }
.reservation-complete-notice-item > span { display: none; }
.reservation-complete-notice-item p,.reservation-complete-warning p { font-size: 15px; color: var(--academy-body); }
.reservation-complete-actions .btn { border-radius: 999px; }
@media (min-width: 992px) {
    .simple-hero > .container { display: grid; grid-template-columns: 1.1fr 1fr; grid-template-areas: 'kicker kicker' 'title copy' 'title actions'; gap: 0 72px; align-items: start; }
    .simple-hero .simple-kicker { grid-area: kicker; }
    .simple-hero h1 { grid-area: title; font-size: 42px; }
    .simple-hero .simple-lead { grid-area: copy; margin-top: 8px; }
    .simple-hero .simple-actions { grid-area: actions; margin-top: 28px; }
    .simple-heading:has(> .simple-copy) { display: grid; grid-template-columns: 1.1fr 1fr; grid-template-areas: 'kicker kicker' 'title copy'; gap: 0 72px; align-items: center; }
    .simple-heading > .simple-kicker { grid-area: kicker; }
    .simple-heading > h2 { grid-area: title; }
    .simple-heading > .simple-copy { grid-area: copy; margin: 0; }
}
@media (hover: hover) and (pointer: fine) {
    .simple-button:hover,.academy-nav-button:hover { transform: scale(1.025); box-shadow: 0 5px 16px rgba(48,61,128,.08); }
    .simple-subject-grid article:hover,.simple-info-grid article:hover,.home-stage-grid article:hover { transform: scale(1.015); box-shadow: 0 10px 28px rgba(36,44,79,.065); }
}
@media (max-width: 991px) {
    :root { --section-space: 88px; }
    .academy-header-inner { gap: 16px; }
    .site-header .academy-menu .nav-link { padding: 11px 14px; font-size: 13px; }
    .academy-logo { font-size: 17px; }
    .academy-nav-button { font-size: 12px; padding: 10px 15px; }
    .simple-heading > .simple-copy { margin: 24px 0 0; }
    .simple-two { gap: 40px; }
    .simple-subject-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .home-stage-grid { gap: 16px; }
    .home-stage-grid article { padding: 26px; }
    .home-stage-grid p br { display: none; }
    .simple-cta-inner,.academy-footer-layout { flex-direction: column; align-items: flex-start; gap: 28px; }
}
@media (max-width: 767px) {
    :root { --section-space: 72px; }
    .container { padding-left: 24px; padding-right: 24px; }
    .academy-header-inner { display: grid; grid-template-columns: 1fr auto; gap: 16px; padding-top: 18px; padding-bottom: 14px; }
    .academy-logo { font-size: 17px; }
    .academy-logo small { font-size: 10px; }
    .brand-mark { height: 28px; width: 6px; }
    .academy-menu { grid-column: 1 / -1; grid-row: 2; width: 100%; }
    .site-header .academy-menu .nav-link { flex: 1; padding: 11px 6px; font-size: 13px; }
    .academy-nav-button { font-size: 12px; min-height: 44px; padding: 10px 14px; }
    .home-intro { padding: 70px 0 76px; }
    .home-intro .simple-kicker { font-size: 13px; margin-bottom: 24px; }
    .home-intro h1 { font-size: clamp(28px,6.8vw,40px); line-height: 1.5; letter-spacing: -.05em; }
    .home-intro-copy { max-width: 340px; font-size: 17px; margin-top: 26px; }
    .home-intro .simple-actions { flex-direction: column; align-items: center; gap: 12px; margin-top: 28px; }
    .home-intro .simple-button { min-width: 210px; }
    .home-intro-note { font-size: 12px; margin-top: 24px; }
    .simple-button { font-size: 15px; padding: 12px 22px; }
    .simple-hero { padding: 56px 0 64px; }
    .simple-hero h1 { font-size: clamp(28px,6.5vw,36px); line-height: 1.5; }
    .simple-kicker { font-size: 13px; margin-bottom: 20px; }
    .simple-section h2 { font-size: 28px; }
    .simple-heading { margin-bottom: 36px; }
    .simple-two { grid-template-columns: 1fr; gap: 36px; }
    .simple-list article { grid-template-columns: 1fr; gap: 12px; min-height: 0; padding: 28px 0; }
    .simple-subject-grid,.simple-info-grid,.home-stage-grid { grid-template-columns: 1fr; gap: 20px; }
    .simple-subject-grid article,.simple-info-grid article { padding: 28px; }
    .simple-subject-grid article { min-height: 176px; }
    .simple-info-grid article { min-height: 214px; }
    .home-stage-grid article { padding: 30px; min-height: 238px; }
    .home-stage-grid h3 { margin: 14px 0 18px; }
    .simple-phase-list > div { grid-template-columns: 90px minmax(0,1fr); gap: 20px; min-height: 126px; padding: 26px 0; }
    .simple-phase-list strong { font-size: 20px; }
    .simple-phase-list small { margin-left: 0; font-size: 12px; }
    .simple-faq summary { font-size: 17px; }
    .simple-cta { padding: 64px 0; }
    .simple-cta h2 { font-size: 26px; }
    .academy-footer { padding: 36px 0; }
    .footer-nav { gap: 6px 18px; }
    .reservation-hero { padding: 48px 0; }
    .reservation-hero h1 { font-size: 32px; }
    .reservation-section { padding: 36px 0 64px; }
    .reservation-form-box { padding: 28px 20px; }
    .reservation-complete-section { padding: 40px 0; }
    .reservation-complete-box { padding: 28px 20px; }
    .reservation-complete-box h1 { font-size: 28px; }
    .reservation-complete-notice { grid-template-columns: 1fr; }
    .reservation-complete-notice-item { padding: 24px 0; }
    .reservation-complete-notice-item + .reservation-complete-notice-item { border-left: 0; border-top: 1px solid var(--academy-border); }
}
@media (max-width: 359px) {
    .container { padding-left: 18px; padding-right: 18px; }
    .academy-logo { font-size: 15px; gap: 7px; }
    .academy-nav-button { font-size: 11px; padding-left: 12px; padding-right: 12px; }
    .home-intro h1 { font-size: 27px; }
    .simple-section h2 { font-size: 26px; }
}
.simple-button:active,.academy-nav-button:active { transform: scale(.97); }
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .menu-indicator,.simple-button,.academy-nav-button,.simple-subject-grid article,.simple-info-grid article,.home-stage-grid article,.reservation-submit-button { transition: none !important; }
    .simple-button:hover,.academy-nav-button:hover,.simple-subject-grid article:hover,.simple-info-grid article:hover,.home-stage-grid article:hover,.reservation-submit-button:hover,.simple-button:active,.academy-nav-button:active { transform: none; }
}

.academy-footer-contact { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 12px 0 0; color: var(--academy-muted); font-size: 13px; font-style: normal; }
.academy-footer-contact a, .simple-info-grid a { color: var(--academy-blue); }
.academy-footer-contact a:hover, .simple-info-grid a:hover { text-decoration: underline; text-underline-offset: 3px; }