:root {
  --deep-purple: #372141;
  --muted-lavender: #BEB1C7;
  --champagne-gold: #CDA967;
  --white: #FFFFFF;
  --text-main: #2B2233;
  --bg-tint: #F7F5F9;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 86px; }
body {
  margin: 0;
  color: var(--text-main);
  background: var(--white);
  font-family: "Pretendard Variable", Pretendard, sans-serif;
  font-size: 17px;
  line-height: 1.7;
  word-break: keep-all;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible { outline: 2px solid var(--champagne-gold); outline-offset: 3px; }
button, input, textarea { font: inherit; }
button { color: inherit; }
h1, h2, h3, p, figure, blockquote { margin-top: 0; }
h1, h2, h3 { line-height: 1.3; }
h2 { margin-bottom: 24px; color: var(--deep-purple); font-size: 32px; font-weight: 700; }
h3 { color: var(--deep-purple); font-size: 20px; font-weight: 600; }
.container { width: min(100% - 48px, 1080px); margin-inline: auto; }
.section { padding: 96px 0; }
.section-tint { background: var(--bg-tint); }
.section-dark { color: var(--white); background: var(--deep-purple); }
.section-dark h2 { color: var(--white); }
.eyebrow {
  margin-bottom: 10px;
  color: var(--champagne-gold);
  font-family: Cinzel, serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .15em;
  line-height: 1.3;
}
.section-heading { margin-bottom: 48px; text-align: center; }
.section-heading h2 { margin-bottom: 0; }
.section-heading-left { text-align: left; }
.skip-link {
  position: fixed;
  z-index: 1000;
  top: 8px;
  left: 8px;
  padding: 10px 16px;
  color: var(--white);
  background: var(--deep-purple);
  transform: translateY(-200%);
}
.skip-link:focus { transform: translateY(0); }
.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  background: var(--white);
  box-shadow: 0 2px 12px rgba(55, 33, 65, .06);
}
.header-inner {
  display: flex;
  width: min(100% - 48px, 1080px);
  min-height: 82px;
  margin-inline: auto;
  align-items: center;
  justify-content: space-between;
}
.header-logo { display: grid; min-width: 170px; padding: 12px 0; place-items: center; }
.header-logo img { width: 170px; height: auto; object-fit: contain; }
.primary-nav { display: flex; align-items: center; gap: 23px; font-size: 15px; font-weight: 500; }
.primary-nav > a:not(.button) { padding: 10px 0; }
.primary-nav > a:not(.button):hover, .primary-nav > a:not(.button):focus-visible { color: var(--champagne-gold); }
.menu-toggle { display: none; border: 0; background: transparent; }
.button {
  display: inline-flex;
  min-height: 56px;
  padding: 16px 32px;
  border: 1px solid var(--deep-purple);
  border-radius: 6px;
  align-items: center;
  justify-content: center;
  color: var(--white);
  background: var(--deep-purple);
  font-weight: 600;
  line-height: 1.35;
  cursor: pointer;
  transition: color .25s, background .25s, border-color .25s, transform .25s;
}
.button:hover, .button:focus-visible { color: var(--deep-purple); border-color: var(--champagne-gold); background: var(--champagne-gold); }
.button-small { min-height: 44px; padding: 11px 20px; font-size: 14px; }
.button-gold { color: var(--deep-purple); border-color: var(--champagne-gold); background: var(--champagne-gold); }
.button-gold:hover, .button-gold:focus-visible { color: var(--white); border-color: var(--white); background: var(--deep-purple); }
.button-secondary-dark { color: var(--champagne-gold); border: 1.5px solid var(--champagne-gold); background: transparent; }
.button-secondary-dark:hover, .button-secondary-dark:focus-visible { color: var(--deep-purple); background: var(--champagne-gold); }
.hero { padding: 78px 0 88px; color: var(--white); background: var(--deep-purple); }
.hero-grid { display: grid; grid-template-columns: 1.18fr .82fr; align-items: center; gap: 48px; }
.hero-logo { width: 180px; height: 134px; margin-bottom: 22px; object-fit: contain; }
.hero h1 { margin-bottom: 20px; color: var(--white); font-size: 44px; font-weight: 700; letter-spacing: -.025em; }
.hero-line { display: block; }
.hero-sub { margin-bottom: 30px; color: var(--muted-lavender); font-size: 20px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-media { overflow: hidden; border: 1px solid var(--champagne-gold); border-radius: 12px; }
.hero-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.hero-reveal { animation: hero-in .6s ease-out both; }
.hero-reveal-1 { animation-delay: .05s; }
.hero-reveal-2 { animation-delay: .2s; }
.hero-reveal-3 { animation-delay: .35s; }
.hero-reveal-4 { animation-delay: .5s; }
@keyframes hero-in { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.about-grid { display: grid; grid-template-columns: minmax(280px, 390px) 1fr; align-items: start; gap: 64px; }
.profile-frame { overflow: hidden; border-radius: 12px; background: var(--bg-tint); }
.profile-frame img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: center top; }
.intro-copy { margin-bottom: 34px; }
.intro-copy p { margin-bottom: 4px; }
.credentials-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: 32px; }
.credentials-grid h3 { display: flex; align-items: center; gap: 12px; font-size: 17px; }
.credentials-grid h3::before { width: 28px; height: 1px; background: var(--champagne-gold); content: ""; }
.credentials-grid ul, .history-list ul, .signature-list { margin: 0; padding: 0; list-style: none; }
.credentials-grid li, .history-list li { position: relative; padding-left: 18px; }
.credentials-grid li::before, .history-list li::before { position: absolute; left: 0; color: var(--champagne-gold); content: "·"; font-weight: 700; }
.card {
  border: 1px solid rgba(190, 177, 199, .4);
  border-radius: 12px;
  background: var(--white);
  box-shadow: 0 2px 12px rgba(55, 33, 65, .06);
  transition: transform .25s, box-shadow .25s;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 10px 24px rgba(55, 33, 65, .12); }
.philosophy-groups { display: grid; gap: 46px; }
.philosophy-group { display: grid; gap: 18px; }
.philosophy-label { margin: 0; color: var(--champagne-gold); font-weight: 700; text-align: center; letter-spacing: .08em; }
.philosophy-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.principle-card { padding: 34px 30px 30px; }
.card-number { margin-bottom: 20px; color: var(--champagne-gold); font-family: Cinzel, serif; font-size: 32px; font-weight: 700; line-height: 1; }
.principle-card h3, .program-card h3 { margin-bottom: 12px; }
.principle-card p:last-child, .program-card p:last-child { margin-bottom: 0; }
.program-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.program-card { padding: 30px; }
.line-icon { width: 44px; height: 44px; margin-bottom: 20px; fill: none; stroke: var(--deep-purple); stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; }
.program-note { margin: 42px 0 0; text-align: center; }
.available-program-grid { display: grid; grid-template-columns: 1fr; gap: 22px; }
.available-program-card { padding: 30px; }
.available-program-card h3 { margin-bottom: 20px; color: var(--champagne-gold); }
.available-program-list { display: grid; margin: 0; padding: 0; list-style: none; gap: 0; }
.available-program-list li { display: grid; grid-template-columns: minmax(260px, 1fr) 140px 170px; padding: 15px 0; border-top: 1px solid var(--muted-lavender); align-items: center; gap: 20px; }
.available-program-list li:first-child { border-top: 0; }
.available-program-list strong { color: var(--deep-purple); font-weight: 600; }
.available-program-notes { margin-top: 36px; padding: 30px; border: 1px solid var(--muted-lavender); border-radius: 12px; background: var(--white); }
.available-program-notes > p { margin-bottom: 20px; text-align: center; }
.available-program-notes ul { margin: 0; padding: 0; list-style: none; }
.available-program-notes li { position: relative; padding-left: 24px; }
.available-program-notes li::before { position: absolute; left: 0; color: var(--champagne-gold); content: "✦"; }
.signature-grid { display: grid; grid-template-columns: 1.12fr .88fr; align-items: center; gap: 62px; }
.signature-sub { margin: -14px 0 30px; color: var(--muted-lavender); font-size: 20px; }
.signature-intro { margin-bottom: 28px; }
.signature-intro p { margin-bottom: 4px; }
.signature-list { margin-bottom: 32px; }
.signature-list li { position: relative; padding-left: 24px; }
.signature-list li::before { position: absolute; left: 0; color: var(--champagne-gold); content: "✦"; }
.signature-media { overflow: hidden; border: 1px solid var(--champagne-gold); border-radius: 12px; }
.signature-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.history-list { display: grid; margin-bottom: 52px; gap: 30px; }
.history-group { display: grid; grid-template-columns: 220px 1fr; gap: 30px; }
.history-group h3 { margin: 3px 0 0; font-size: 17px; }
.history-table-wrap { min-width: 0; }
.history-table { width: 100%; border-collapse: collapse; font-size: 15px; line-height: 1.55; }
.history-table th, .history-table td { padding: 13px 14px; border: 1px solid var(--muted-lavender); text-align: left; vertical-align: top; }
.history-table th { color: var(--deep-purple); background: var(--bg-tint); font-weight: 700; }
.history-table th:nth-child(2), .history-table td:nth-child(2) { width: 180px; }
.history-table th:nth-child(3), .history-table td:nth-child(3) { width: 88px; white-space: nowrap; }
.history-footnote { margin: 12px 0 0; color: var(--deep-purple); font-size: 14px; font-weight: 600; }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.gallery-item { position: relative; overflow: hidden; margin: 0; border-radius: 12px; background: var(--bg-tint); }
.gallery-item img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .25s; }
.gallery-item:hover img { transform: scale(1.03); }
.gallery-item figcaption { padding: 12px 16px; color: var(--deep-purple); background: var(--bg-tint); font-size: 14px; font-weight: 500; letter-spacing: .05em; }
.privacy-blur { position: absolute; z-index: 2; top: 39%; left: 82%; width: 9%; height: 17%; overflow: hidden; backdrop-filter: blur(10px); }
.download-band { text-align: center; }
.download-band h2 { margin-bottom: 12px; }
.download-band p { margin-bottom: 28px; }
.contact-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 80px; }
.contact-info dl { margin: 0 0 48px; }
.contact-info dl div { display: grid; grid-template-columns: 72px 1fr; margin-bottom: 12px; }
.contact-info dt { color: var(--champagne-gold); font-weight: 600; }
.contact-info dd { margin: 0; }
.contact-info a:hover, .contact-info a:focus-visible { color: var(--champagne-gold); }
.contact-info blockquote { margin: 0; color: var(--deep-purple); font-size: 20px; font-weight: 600; line-height: 1.8; }
.form-wrap { padding: 34px; border: 1px solid rgba(190, 177, 199, .4); border-radius: 12px; background: var(--bg-tint); }
.form-row { margin-bottom: 19px; }
.form-row label { display: block; margin-bottom: 7px; color: var(--deep-purple); font-size: 14px; font-weight: 600; letter-spacing: .05em; }
.form-row input, .form-row textarea { width: 100%; padding: 13px 14px; border: 1px solid var(--muted-lavender); border-radius: 6px; color: var(--text-main); background: var(--white); outline: none; }
.form-row input:focus, .form-row textarea:focus { border-color: var(--champagne-gold); box-shadow: 0 0 0 3px rgba(205, 169, 103, .2); }
.form-row textarea { resize: vertical; }
.agree-row { display: flex; margin: 4px 0 26px; align-items: flex-start; gap: 10px; font-size: 14px; line-height: 1.6; }
.agree-row input { margin-top: 5px; accent-color: var(--deep-purple); }
.submit-button { width: 100%; }
.botcheck { position: absolute; left: -9999px; }
.form-error, .form-success { margin-bottom: 20px; padding: 14px 16px; border: 1px solid var(--champagne-gold); border-radius: 6px; color: var(--deep-purple); background: var(--white); }
.form-success { margin: 0; padding: 34px; text-align: center; font-size: 20px; font-weight: 600; }
.site-footer { padding: 48px 0 22px; color: var(--white); background: var(--deep-purple); }
.footer-main { display: flex; padding-bottom: 34px; align-items: center; justify-content: space-between; gap: 40px; }
.footer-main img { width: 140px; height: 105px; object-fit: contain; }
.footer-contact { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px 26px; color: var(--muted-lavender); }
.footer-contact a:hover, .footer-contact a:focus-visible { color: var(--champagne-gold); }
.footer-bottom { padding-top: 20px; border-top: 1px solid rgba(190, 177, 199, .4); color: var(--muted-lavender); font-size: 14px; text-align: center; }
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s ease-out, transform .6s ease-out; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 900px) {
  .primary-nav { gap: 14px; }
  .primary-nav .button { display: none; }
  .hero-grid, .signature-grid { gap: 36px; }
  .hero h1 { font-size: 36px; }
  .about-grid { gap: 38px; }
  .contact-grid { gap: 44px; }
}

@media (min-width: 769px) and (max-width: 1399px) {
  .hero h1 { font-size: 40px; }
}

@media (max-width: 768px) {
  html { scroll-padding-top: 72px; }
  body { font-size: 16px; }
  h2 { font-size: 24px; }
  h3 { font-size: 18px; }
  .container { width: min(100% - 48px, 1080px); }
  .section { padding: 64px 0; }
  .header-inner { min-height: 72px; }
  .header-logo { min-width: 150px; }
  .header-logo img { width: 150px; }
  .menu-toggle { display: grid; width: 44px; height: 44px; padding: 10px; place-content: center; gap: 5px; cursor: pointer; }
  .menu-toggle span { display: block; width: 22px; height: 2px; background: var(--deep-purple); transition: transform .25s, opacity .25s; }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .primary-nav { position: absolute; top: 72px; right: 0; left: 0; display: none; padding: 18px 24px 24px; align-items: stretch; flex-direction: column; gap: 2px; border-top: 1px solid rgba(190, 177, 199, .4); background: var(--white); box-shadow: 0 8px 16px rgba(55, 33, 65, .08); }
  .primary-nav.is-open { display: flex; }
  .primary-nav > a:not(.button) { padding: 10px 0; }
  .primary-nav .button { display: inline-flex; margin-top: 10px; }
  .hero { padding: 58px 0 64px; }
  .hero-grid, .about-grid, .signature-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-grid { gap: 34px; }
  .hero-logo { margin-bottom: 18px; }
  .hero h1 { font-size: 28px; }
  .hero-sub { font-size: 17px; }
  .hero-actions { display: grid; grid-template-columns: 1fr; }
  .hero-actions .button { width: 100%; }
  .hero-media { grid-row: 2; }
  .about-grid { gap: 36px; }
  .profile-frame { max-width: 460px; margin-inline: auto; }
  .credentials-grid, .philosophy-grid { grid-template-columns: 1fr; }
  .program-grid { grid-template-columns: 1fr; }
  .available-program-list li { grid-template-columns: 1fr 130px 150px; }
  .signature-grid { gap: 38px; }
  .signature-copy br, .history-group br { display: none; }
  .history-group { grid-template-columns: 1fr; gap: 8px; }
  .history-group h3 { margin-bottom: 0; }
  .history-table-wrap { overflow-x: auto; }
  .history-table { min-width: 720px; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .contact-grid { gap: 40px; }
  .form-wrap { padding: 24px; }
  .footer-main { align-items: flex-start; flex-direction: column; }
  .footer-contact { justify-content: flex-start; flex-direction: column; }
}

@media (max-width: 420px) {
  .header-logo { min-width: 132px; justify-items: start; }
  .header-logo img { width: 132px; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .gallery-item figcaption { padding: 10px 11px; font-size: 13px; letter-spacing: 0; }
  .available-program-card, .available-program-notes { padding: 22px; }
  .available-program-list li { grid-template-columns: 1fr; gap: 4px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}