/* ================================================================
   가르침에듀 코딩학원 — 통합 스타일시트
   ================================================================ */

:root {
  --ink: #0F1A2E;
  --ink-soft: #2B3958;
  --paper: #F4EFE6;
  --paper-deep: #ECE3D4;
  --paper-line: #D9CFBE;
  --accent: #B8441F;
  --accent-soft: #E8B799;
  --moss: #5B6B3A;
  --gold: #B38930;
  --muted: #6B6255;

  --serif: 'Noto Serif KR', 'Times New Roman', serif;
  --sans: 'IBM Plex Sans KR', 'Malgun Gothic', sans-serif;
  --mono: 'JetBrains Mono', 'Consolas', monospace;

  --maxw: 1280px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.7;
  font-weight: 400;
  font-size: 16px;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  word-break: keep-all;
  overflow-wrap: break-word;
}

main {
  flex: 1;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Reserve space for header injected by JS - prevents layout shift */
[data-header] {
  display: block;
  height: 69px;
}

[data-footer] {
  display: block;
  min-height: 200px;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(180, 70, 35, 0.025) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(15, 26, 46, 0.03) 0%, transparent 40%);
  pointer-events: none;
  z-index: 1;
}

/* ================ Topbar ================ */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(244, 239, 230, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--paper-line);
}

.topbar-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.brand-mark {
  font-family: var(--serif);
  font-weight: 900;
  font-size: 20px;
  letter-spacing: -0.02em;
}

.brand-sub {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-transform: uppercase;
}

.nav {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color 0.2s;
  position: relative;
}

.nav a:hover {
  color: var(--accent);
}

.nav a.active {
  color: var(--accent);
}

.nav a.active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  background: var(--accent);
}

.nav-cta {
  padding: 10px 20px;
  background: var(--ink);
  color: var(--paper) !important;
  font-weight: 500;
}

.nav-cta:hover {
  background: var(--accent);
}

.nav-cta.active::after {
  display: none;
}

.mobile-toggle {
  display: none;
  font-size: 22px;
}

@media (max-width: 900px) {
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--paper);
    border-bottom: 1px solid var(--paper-line);
    padding: 20px 32px;
    gap: 16px;
    align-items: flex-start;
  }

  .nav.open {
    display: flex;
  }

  .mobile-toggle {
    display: block;
  }
}

/* ================ Page Header ================ */
.page-header {
  padding: 140px 32px 60px;
  max-width: var(--maxw);
  margin: 0 auto;
  border-bottom: 1px solid var(--paper-line);
}

.page-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 20px;
}

.page-title {
  font-family: var(--serif);
  font-size: clamp(26px, 5vw, 64px);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 24px;
}

.page-title em {
  font-style: italic;
  font-weight: 500;
  color: var(--accent);
}

.page-lead {
  font-size: 17px;
  max-width: 720px;
  color: var(--ink-soft);
  line-height: 1.8;
}

/* ================ Section Base ================ */
section {
  padding: 80px 32px;
  position: relative;
}

.section-inner {
  max-width: var(--maxw);
  margin: 0 auto;
}

.section-head {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  align-items: end;
  margin-bottom: 60px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--paper-line);
}

.section-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--accent);
}

.section-title {
  font-family: var(--serif);
  font-size: clamp(22px, 3.5vw, 44px);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 780px;
}

@media (max-width: 820px) {
  .section-head {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 40px;
  }

  section {
    padding: 60px 24px;
  }

  .page-header {
    padding: 120px 24px 50px;
  }
}

/* ================ Buttons ================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 28px;
  font-size: 15px;
  font-weight: 500;
  transition: all 0.25s;
}

.btn-primary {
  background: var(--ink);
  color: var(--paper);
}

.btn-primary:hover {
  background: var(--accent);
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--ink);
}

.btn-ghost {
  color: var(--ink);
  border: 1px solid var(--ink);
}

.btn-ghost:hover {
  background: var(--ink);
  color: var(--paper);
}

.btn .arrow {
  font-family: var(--mono);
}

/* ================ Footer ================ */
.footer {
  background: #080F1D;
  color: #8893AB;
  padding: 60px 32px 40px;
  font-size: 13px;
  margin-top: 80px;
}

.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer h4 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--paper);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.footer p,
.footer li {
  line-height: 1.8;
}

.footer ul {
  list-style: none;
}

.footer .brand-mark {
  color: var(--paper);
}

.footer a {
  color: #8893AB;
}

.footer a:hover {
  color: var(--paper);
}

.footer-bottom {
  max-width: var(--maxw);
  margin: 40px auto 0;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 12px;
  color: #5C6680;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 820px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

/* ================ Utilities ================ */
.ornament {
  font-family: var(--serif);
  font-style: italic;
  color: var(--paper-line);
  font-size: 32px;
  text-align: center;
  margin: 24px 0;
  user-select: none;
}

.cert-chip,
.award-chip {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  padding: 3px 8px;
  background: var(--paper-deep);
  margin: 2px 4px 2px 0;
  font-weight: 500;
}

.cert-chip {
  border: 1px solid var(--gold);
  color: var(--gold);
}

.award-chip {
  border: 1px solid var(--moss);
  color: var(--moss);
}

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.rise {
  animation: riseIn 0.7s ease-out both;
}

.rise-1 {
  animation-delay: 0.1s;
}

.rise-2 {
  animation-delay: 0.25s;
}

.rise-3 {
  animation-delay: 0.4s;
}

.rise-4 {
  animation-delay: 0.55s;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s, transform 0.7s;
}

.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ================================================================
   Page: index (home) Hero + teaser
   ================================================================ */
.hero {
  padding: 160px 32px 100px;
  max-width: var(--maxw);
  margin: 0 auto;
}

.hero-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--accent);
  text-transform: uppercase;
  padding: 6px 12px;
  border: 1px solid var(--accent);
  margin-bottom: 32px;
}

.hero-title {
  font-family: var(--serif);
  font-size: clamp(28px, 6.8vw, 88px);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 36px;
}

.hero-title em {
  font-style: italic;
  font-weight: 500;
  color: var(--accent);
}

.hero-title .stroke {
  -webkit-text-stroke: 1.5px var(--ink);
  color: transparent;
}

.hero-sub {
  font-size: 18px;
  max-width: 700px;
  color: var(--ink-soft);
  margin-bottom: 48px;
  line-height: 1.8;
}

.hero-sub em {
  font-family: var(--serif);
  color: var(--accent);
  font-style: italic;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 96px;
  background: var(--paper-line);
  border-top: 1px solid var(--paper-line);
  border-bottom: 1px solid var(--paper-line);
}

.hero-meta div {
  background: var(--paper);
  padding: 24px 20px;
}

.hero-meta .k {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.hero-meta .v {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

@media (max-width: 820px) {
  .hero-meta {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero {
    padding: 130px 24px 60px;
  }
}

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 40px;
}

.hi-card {
  padding: 36px 28px;
  background: var(--paper-deep);
  border: 1px solid var(--paper-line);
  transition: transform 0.3s, box-shadow 0.3s;
}

.hi-card:hover {
  transform: translateY(-4px);
  box-shadow: 8px 8px 0 var(--ink);
}

.hi-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 48px;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 20px;
}

.hi-card h3 {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.hi-card p {
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.75;
  margin-bottom: 16px;
}

.hi-link {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--accent);
  text-transform: uppercase;
}

@media (max-width: 900px) {
  .highlights-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

/* Instructor teaser on home */
.teaser-instructor {
  padding: 100px 32px;
  background: var(--paper-deep);
}

.teaser-instructor-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
}

.teaser-photo {
  aspect-ratio: 4/5;
  max-width: 420px;
  margin: 0 auto;
  background: var(--paper) url('images/instructor-profile.jpg') center/cover no-repeat;
  border: 1px solid var(--paper-line);
  position: relative;
}

.teaser-photo::before {
  content: '';
  position: absolute;
  inset: 12px;
  border: 1px dashed rgba(184, 68, 31, 0.3);
  pointer-events: none;
}

.teaser-photo .badge {
  position: absolute;
  bottom: -16px;
  right: -16px;
  background: var(--accent);
  color: var(--paper);
  padding: 12px 18px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.teaser-photo .badge strong {
  display: block;
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 600;
  margin-top: 3px;
  letter-spacing: 0;
  text-transform: none;
}

.teaser-instructor h2 {
  font-family: var(--serif);
  font-size: clamp(24px, 4.5vw, 52px);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 24px;
}

.teaser-instructor h2 em {
  font-style: italic;
  color: var(--accent);
}

.teaser-instructor p {
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.85;
  margin-bottom: 28px;
  max-width: 560px;
}

.teaser-metrics {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.teaser-metric {
  padding: 10px 16px;
  background: var(--paper);
  border: 1px solid var(--paper-line);
  font-size: 13px;
}

.teaser-metric .k {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 2px;
}

.teaser-metric .v {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 18px;
}

.teaser-metric .v span {
  font-size: 13px;
  margin-left: 2px;
}

@media (max-width: 820px) {
  .teaser-instructor-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* Roadmap preview (home) */
.teaser-roadmap {
  background: var(--ink);
  color: var(--paper);
  padding: 100px 32px;
}

.teaser-roadmap .section-title {
  color: var(--paper);
}

.teaser-roadmap .section-desc {
  color: #B8C0D0;
}

.teaser-roadmap .section-num {
  color: var(--accent-soft);
}

.teaser-roadmap .section-head {
  border-bottom-color: rgba(255, 255, 255, 0.15);
}

.roadmap-preview {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.15);
  margin-bottom: 40px;
}

.rp-cell {
  background: var(--ink);
  padding: 28px 20px;
  min-height: 180px;
  display: flex;
  flex-direction: column;
}

.rp-lv {
  font-family: var(--serif);
  font-size: 36px;
  font-weight: 900;
  color: var(--accent-soft);
  line-height: 1;
  margin-bottom: 12px;
}

.rp-name {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 6px;
}

.rp-grade {
  font-size: 12px;
  color: #8893AB;
  margin-bottom: 16px;
  font-family: var(--mono);
  letter-spacing: 0.1em;
}

.rp-cert {
  font-size: 12px;
  color: var(--paper);
  margin-top: auto;
  line-height: 1.5;
}

.rp-cert strong {
  color: var(--accent-soft);
}

@media (max-width: 900px) {
  .roadmap-preview {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* CTA big */
.cta-big {
  background: var(--ink);
  color: var(--paper);
  text-align: center;
  padding: 140px 32px;
}

.cta-big .inner {
  max-width: 780px;
  margin: 0 auto;
}

.cta-big .eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--accent-soft);
  text-transform: uppercase;
  margin-bottom: 24px;
}

.cta-big h2 {
  font-family: var(--serif);
  font-size: clamp(26px, 5vw, 64px);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 28px;
}

.cta-big h2 em {
  font-style: italic;
  color: var(--accent-soft);
  font-weight: 500;
}

.cta-big p {
  color: #C8D0DF;
  font-size: 17px;
  line-height: 1.8;
  margin-bottom: 48px;
}

.cta-big .btn {
  background: var(--accent);
  color: var(--paper);
}

.cta-big .btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--accent-soft);
}

.cta-mini {
  background: var(--paper-deep);
  text-align: center;
  padding: 100px 32px;
}

.cta-mini .inner {
  max-width: 720px;
  margin: 0 auto;
}

.cta-mini h2 {
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.cta-mini p {
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 32px;
}

.cta-dark {
  background: var(--ink);
  color: var(--paper);
  text-align: center;
  padding: 120px 32px;
}

.cta-dark .inner {
  max-width: 720px;
  margin: 0 auto;
}

.cta-dark h2 {
  font-family: var(--serif);
  font-size: clamp(32px, 4.5vw, 52px);
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: 28px;
  letter-spacing: -0.025em;
}

.cta-dark p {
  color: #C8D0DF;
  font-size: 17px;
  line-height: 1.8;
  margin-bottom: 40px;
}

/* ================================================================
   Page: about
   ================================================================ */
.about-principle {
  padding: 48px 0;
  border-bottom: 1px solid var(--paper-line);
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 40px;
}

.about-principle:last-of-type {
  border-bottom: none;
}

.about-principle-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 72px;
  color: var(--accent);
  line-height: 1;
}

.about-principle h3 {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.about-principle p {
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-soft);
  max-width: 680px;
}

.change-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.change-box {
  background: var(--paper);
  padding: 36px 32px;
  border: 1px solid var(--paper-line);
}

.change-box .k {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.change-box h3 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.change-box ul {
  list-style: none;
  font-size: 15px;
  line-height: 2;
  color: var(--ink-soft);
}

@media (max-width: 820px) {
  .change-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

/* ================================================================
   Page: roadmap
   ================================================================ */
.roadmap-table {
  border: 2px solid var(--ink);
  background: var(--paper);
  margin-bottom: 60px;
}

.roadmap-row {
  display: grid;
  grid-template-columns: 80px 1.2fr 1fr 1.3fr 1.3fr;
  border-bottom: 1px solid var(--paper-line);
  transition: background 0.2s;
}

.roadmap-row:last-child {
  border-bottom: none;
}

.roadmap-row:hover {
  background: var(--paper-deep);
}

.roadmap-head {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.roadmap-head:hover {
  background: var(--ink);
}

.roadmap-cell {
  padding: 24px 20px;
  border-right: 1px solid var(--paper-line);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.roadmap-head .roadmap-cell {
  border-right-color: rgba(255, 255, 255, 0.15);
}

.roadmap-cell:last-child {
  border-right: none;
}

.level-badge {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 28px;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.cell-main {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.cell-sub {
  font-size: 13px;
  color: var(--muted);
}

@media (max-width: 900px) {
  .roadmap-row {
    grid-template-columns: 60px 1fr 1fr;
  }

  .roadmap-row> :nth-child(4),
  .roadmap-row> :nth-child(5) {
    grid-column: 2 / 4;
    border-top: 1px dashed var(--paper-line);
  }

  .roadmap-head> :nth-child(4),
  .roadmap-head> :nth-child(5) {
    display: none;
  }
}

.flow-diagram {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin: 60px 0;
}

.flow-step {
  text-align: center;
  padding: 24px 16px;
  background: var(--paper-deep);
  border: 1px solid var(--paper-line);
}

.flow-step-num {
  font-family: var(--serif);
  font-size: 40px;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 12px;
}

.flow-step-name {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 6px;
}

.flow-step-grade {
  font-size: 12px;
  color: var(--muted);
  font-family: var(--mono);
  letter-spacing: 0.1em;
}

@media (max-width: 820px) {
  .flow-diagram {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ================================================================
   Page: levels
   ================================================================ */
.lvl-intro {
  background: var(--ink);
  color: var(--paper);
  padding: 60px 32px;
}

.lvl-intro-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 180px 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.lvl-badge .lv-num {
  font-family: var(--serif);
  font-size: 88px;
  font-weight: 900;
  line-height: 1;
  color: var(--accent-soft);
  letter-spacing: -0.04em;
}

.lvl-badge .lv-grade {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: #8893AB;
  margin-top: 8px;
  text-transform: uppercase;
}

.lvl-title h3 {
  font-family: var(--serif);
  font-size: 36px;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.lvl-title .tagline {
  color: var(--accent-soft);
  font-style: italic;
  margin-bottom: 20px;
  font-family: var(--serif);
  font-size: 17px;
}

.lvl-title p {
  color: #C8D0DF;
  font-size: 15px;
  line-height: 1.8;
}

.lvl-specs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.lvl-spec {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 16px;
  padding: 10px 0;
  border-top: 1px dashed rgba(255, 255, 255, 0.18);
  font-size: 13px;
}

.lvl-spec:first-child {
  border-top: none;
  padding-top: 0;
}

.lvl-spec .k {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: #8893AB;
  text-transform: uppercase;
  padding-top: 2px;
}

.lvl-spec .v {
  color: var(--paper);
  line-height: 1.6;
}

.lvl-spec .v strong {
  color: var(--accent-soft);
  font-weight: 600;
}

@media (max-width: 900px) {
  .lvl-intro-inner {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

.lvl-steps {
  background: var(--paper);
  padding: 80px 32px;
  border-bottom: 3px solid var(--ink);
}

.lvl-steps-inner {
  max-width: var(--maxw);
  margin: 0 auto;
}

.lvl-steps-head {
  margin-bottom: 48px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--paper-line);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 32px;
  align-items: baseline;
}

.lvl-steps-head .kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--accent);
  text-transform: uppercase;
}

.lvl-steps-head h4 {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.step-row {
  display: grid;
  grid-template-columns: 160px 1fr 240px;
  gap: 32px;
  padding: 32px 0;
  border-top: 1px solid var(--paper-line);
  align-items: start;
}

.step-row:last-child {
  border-bottom: 1px solid var(--paper-line);
}

.step-marker .seq {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.step-marker .label {
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 4px;
}

.step-marker .sub {
  font-size: 12px;
  color: var(--muted);
  font-family: var(--mono);
  letter-spacing: 0.05em;
}

.step-body h5 {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
  line-height: 1.35;
}

.step-body p {
  color: var(--ink-soft);
  font-size: 14.5px;
  line-height: 1.8;
  margin-bottom: 14px;
}

.step-learn {
  list-style: none;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.step-learn li {
  padding-left: 18px;
  position: relative;
}

.step-learn li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 12px;
  top: 1px;
}

.step-out {
  padding: 16px 18px;
  background: var(--paper-deep);
  border-left: 3px solid var(--accent);
}

.step-out .head {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.step-out .title {
  font-family: var(--serif);
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
  margin-bottom: 8px;
}

.step-out .detail {
  font-size: 12.5px;
  color: var(--ink-soft);
  line-height: 1.6;
}

.step-out.milestone {
  background: var(--ink);
  border-left-color: var(--gold);
}

.step-out.milestone .head {
  color: var(--gold);
}

.step-out.milestone .title {
  color: var(--paper);
}

.step-out.milestone .detail {
  color: #B8C0D0;
}

@media (max-width: 900px) {
  .step-row {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 24px 0;
  }

  .lvl-steps-head {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

.lvl-summary {
  background: var(--paper-deep);
  padding: 40px 32px;
  border-bottom: 1px solid var(--paper-line);
}

.lvl-summary-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.lvl-summary-block .h {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.lvl-summary-block .b {
  font-family: var(--serif);
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--ink);
  font-weight: 500;
}

@media (max-width: 820px) {
  .lvl-summary-inner {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

.special {
  background: var(--ink);
  color: var(--paper);
  padding: 100px 32px;
}

.special-inner {
  max-width: var(--maxw);
  margin: 0 auto;
}

.special-intro {
  max-width: 720px;
  margin-bottom: 50px;
}

.special-intro .kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--accent-soft);
  text-transform: uppercase;
  margin-bottom: 20px;
}

.special-intro h2 {
  font-family: var(--serif);
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 20px;
}

.special-intro h2 em {
  font-style: italic;
  color: var(--accent-soft);
}

.special-intro p {
  color: #C8D0DF;
  font-size: 16px;
  line-height: 1.85;
}

.special-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.special-card {
  background: var(--ink);
  padding: 40px 32px;
  transition: background 0.3s;
}

.special-card:hover {
  background: #1A253C;
}

.special-card .tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.special-card h4 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.special-card .season {
  font-size: 12px;
  color: var(--accent-soft);
  font-family: var(--mono);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.special-card p {
  color: #C8D0DF;
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 16px;
}

.special-card ul {
  list-style: none;
  font-size: 13px;
  color: #B8C0D0;
  line-height: 1.9;
  border-top: 1px dashed rgba(255, 255, 255, 0.15);
  padding-top: 14px;
}

.special-card ul li::before {
  content: '— ';
  color: #6B7893;
}

.special-card .note {
  margin-top: 14px;
  font-size: 11.5px;
  color: var(--accent-soft);
  font-family: var(--mono);
  letter-spacing: 0.05em;
}

@media (max-width: 900px) {
  .special-grid {
    grid-template-columns: 1fr;
  }
}

/* ================================================================
   Page: instructor
   ================================================================ */
.inst-hero {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  padding: 140px 32px 80px;
  max-width: var(--maxw);
  margin: 0 auto;
  align-items: center;
}

.inst-photo-wrap {
  position: relative;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
}

.inst-photo {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  background: var(--paper-deep);
  border: 1px solid var(--paper-line);
}

.inst-photo-wrap::before {
  content: '';
  position: absolute;
  inset: 12px;
  border: 1px dashed rgba(184, 68, 31, 0.3);
  pointer-events: none;
  z-index: 1;
}

.photo-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--accent);
  color: var(--paper);
  padding: 14px 20px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.photo-badge strong {
  display: block;
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
  margin-top: 4px;
  letter-spacing: 0;
  text-transform: none;
}

.inst-intro .label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 20px;
}

.inst-intro h1 {
  font-family: var(--serif);
  font-size: clamp(48px, 6vw, 72px);
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 8px;
}

.inst-intro .name-en {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--muted);
  margin-bottom: 36px;
  text-transform: uppercase;
}

.inst-roles {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.role-chip {
  font-family: var(--sans);
  font-size: 12px;
  padding: 6px 12px;
  background: var(--paper-deep);
  border: 1px solid var(--paper-line);
  color: var(--ink-soft);
}

.inst-intro .tagline {
  font-family: var(--serif);
  font-style: italic;
  font-size: 24px;
  line-height: 1.5;
  color: var(--accent);
  margin-bottom: 24px;
  padding-left: 16px;
  border-left: 3px solid var(--accent);
}

.inst-intro .elevator {
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.85;
  margin-bottom: 28px;
}

.inst-intro .elevator em {
  font-family: var(--serif);
  font-style: italic;
  color: var(--accent);
}

.contact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--paper-line);
  font-size: 13px;
}

.contact-row>div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-row .k {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-transform: uppercase;
}

.contact-row .v {
  font-weight: 500;
}

@media (max-width: 900px) {
  .inst-hero {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 120px 24px 50px;
  }
}

.impact {
  background: var(--ink);
  color: var(--paper);
  padding: 100px 32px;
}

.impact-inner {
  max-width: var(--maxw);
  margin: 0 auto;
}

.impact-head {
  text-align: center;
  margin-bottom: 60px;
}

.impact-head .eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--accent-soft);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.impact-head h2 {
  font-family: var(--serif);
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.impact-head h2 em {
  font-style: italic;
  color: var(--accent-soft);
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.impact-cell {
  background: var(--ink);
  padding: 36px 24px;
  text-align: center;
}

.impact-num {
  font-family: var(--serif);
  font-size: 56px;
  font-weight: 900;
  color: var(--accent-soft);
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: 12px;
}

.impact-num .unit {
  font-size: 24px;
  font-weight: 500;
}

.impact-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: #B8C0D0;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.impact-sub {
  font-size: 13px;
  color: #8893AB;
  line-height: 1.5;
}

@media (max-width: 900px) {
  .impact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.story {
  padding: 100px 32px;
  background: var(--paper-deep);
}

.story-inner {
  max-width: 820px;
  margin: 0 auto;
}

.story h2 {
  font-family: var(--serif);
  font-size: clamp(32px, 4vw, 44px);
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: 40px;
  letter-spacing: -0.02em;
  text-align: center;
}

.story h2 em {
  font-style: italic;
  color: var(--accent);
}

.story p {
  font-size: 17px;
  line-height: 1.95;
  color: var(--ink-soft);
  margin-bottom: 24px;
}

.story p strong {
  color: var(--ink);
  font-weight: 600;
}

.story p em {
  font-family: var(--serif);
  font-style: italic;
  color: var(--accent);
  font-weight: 500;
}

.award-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--paper-line);
}

.award-item {
  display: grid;
  grid-template-columns: 100px 1fr 220px;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--paper-line);
  align-items: center;
}

.award-year {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.05em;
}

.award-name {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.award-name .highlight {
  background: linear-gradient(transparent 60%, var(--accent-soft) 60%);
  padding: 0 2px;
}

.award-issuer {
  font-size: 13px;
  color: var(--muted);
  text-align: right;
  line-height: 1.5;
}

.award-issuer .tag {
  display: inline-block;
  padding: 2px 8px;
  background: var(--accent);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 500;
}

@media (max-width: 800px) {
  .award-item {
    grid-template-columns: 80px 1fr;
    gap: 16px;
  }

  .award-item .award-issuer {
    grid-column: 1 / 3;
    font-size: 12px;
    margin-top: -8px;
    text-align: left;
  }
}

.books-wrap {
  background: var(--ink);
  color: var(--paper);
  padding: 100px 32px;
}

.books-inner {
  max-width: var(--maxw);
  margin: 0 auto;
}

.books-head {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  margin-bottom: 50px;
  align-items: end;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.books-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 10px;
}

.book-card {
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: 1px solid rgba(255, 255, 255, 0.12);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.book-card:hover {
  transform: translateY(-6px);
  box-shadow: 6px 6px 0 var(--accent);
}

.book-cover {
  aspect-ratio: 2 / 3;
  background: #EDE7DA;
  overflow: hidden;
  position: relative;
}

.book-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}

.book-card:hover .book-cover img {
  transform: scale(1.04);
}

.book-meta {
  padding: 18px 18px 22px;
  background: var(--paper);
  border-top: 1px solid var(--paper-line);
}

.book-title {
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  line-height: 1.4;
  margin-bottom: 6px;
}

.book-sub {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-transform: uppercase;
}

@media (max-width: 900px) {
  .books-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (max-width: 520px) {
  .books-grid {
    grid-template-columns: 1fr;
    gap: 16px;
    max-width: 320px;
    margin-left: auto;
    margin-right: auto;
  }
}

.books-head .eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--accent-soft);
  text-transform: uppercase;
}

.books-head h2 {
  font-family: var(--serif);
  font-size: clamp(28px, 3.5vw, 40px);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.books-head p {
  color: #C8D0DF;
  font-size: 15px;
  line-height: 1.8;
  max-width: 640px;
}

.books-img {
  width: 100%;
  background: var(--paper);
  padding: 40px 32px 32px;
}

.books-titles {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.15);
}

.books-titles>div {
  background: var(--ink);
  padding: 20px;
  text-align: center;
}

.books-titles .t {
  font-family: var(--serif);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
}

.books-titles .d {
  font-size: 12px;
  color: #8893AB;
}

@media (max-width: 820px) {
  .books-head {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .books-titles {
    grid-template-columns: 1fr 1fr;
  }
}

.patents-grid {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 60px;
  align-items: start;
}

.patents-headline h2 {
  font-family: var(--serif);
  font-size: clamp(32px, 4vw, 44px);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.patents-headline h2 em {
  font-style: italic;
  color: var(--accent);
}

.patents-headline p {
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.85;
}

.patent-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--paper-line);
  border: 1px solid var(--paper-line);
  margin-top: 24px;
}

.patent-stat {
  background: var(--paper);
  padding: 24px 16px;
  text-align: center;
}

.patent-stat .num {
  font-family: var(--serif);
  font-size: 40px;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.patent-stat .lbl {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--muted);
  text-transform: uppercase;
}

.patent-samples {
  list-style: none;
}

.patent-samples li {
  padding: 16px 0;
  border-bottom: 1px dashed var(--paper-line);
  display: grid;
  grid-template-columns: 1fr 120px;
  gap: 16px;
  align-items: baseline;
}

.patent-samples li:first-child {
  border-top: 1px solid var(--paper-line);
}

.patent-samples .name {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.005em;
}

.patent-samples .name em {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--gold);
  font-style: normal;
  margin-left: 8px;
  letter-spacing: 0.1em;
}

.patent-samples .num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  text-align: right;
  letter-spacing: 0.05em;
}

@media (max-width: 900px) {
  .patents-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

.gov-wrap {
  padding: 100px 32px;
  background: var(--ink);
  color: var(--paper);
}

.gov-inner {
  max-width: var(--maxw);
  margin: 0 auto;
}

.gov-head {
  text-align: center;
  margin-bottom: 50px;
}

.gov-head .eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--accent-soft);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.gov-head h2 {
  font-family: var(--serif);
  font-size: clamp(28px, 3.5vw, 40px);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.gov-head .sub {
  color: #C8D0DF;
  font-size: 15px;
  line-height: 1.8;
  margin-top: 16px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.gov-table {
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.gov-row {
  display: grid;
  grid-template-columns: 100px 1fr 180px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  padding: 20px 24px;
  gap: 24px;
  align-items: center;
}

.gov-row:last-child {
  border-bottom: none;
}

.gov-row.total {
  background: rgba(184, 68, 31, 0.15);
  border-top: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
}

.gov-year {
  font-family: var(--mono);
  font-size: 13px;
  color: #8893AB;
  letter-spacing: 0.05em;
}

.gov-name {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.005em;
}

.gov-amount {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--accent-soft);
  text-align: right;
  letter-spacing: -0.01em;
}

.gov-row.total .gov-amount {
  color: var(--accent-soft);
  font-size: 28px;
}

.gov-row.total .gov-name {
  color: var(--paper);
  font-weight: 600;
}

@media (max-width: 700px) {
  .gov-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .gov-amount {
    text-align: left;
  }
}

.teaching {
  background: var(--paper-deep);
  padding: 100px 32px;
}

.teaching-inner {
  max-width: var(--maxw);
  margin: 0 auto;
}

.teaching-head {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  margin-bottom: 60px;
  align-items: end;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--paper-line);
}

.teaching-head .eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--accent);
  text-transform: uppercase;
}

.teaching-head h2 {
  font-family: var(--serif);
  font-size: clamp(28px, 3.5vw, 40px);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.teaching-head p {
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.8;
}

.subject-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 80px;
}

.subject-card {
  background: var(--paper);
  border: 1px solid var(--paper-line);
  padding: 28px 24px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.subject-card:hover {
  transform: translateY(-4px);
  box-shadow: 6px 6px 0 var(--ink);
}

.subject-card h4 {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
  color: var(--accent);
}

.subject-card ul {
  list-style: none;
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink-soft);
}

.subject-card ul li::before {
  content: '— ';
  color: var(--muted);
}

.school-cloud {
  background: var(--paper);
  padding: 40px 32px;
  border: 1px solid var(--paper-line);
  text-align: center;
}

.school-cloud .head {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 24px;
}

.school-cloud .list {
  font-family: var(--serif);
  font-size: 17px;
  line-height: 2.2;
  color: var(--ink-soft);
  max-width: 900px;
  margin: 0 auto;
  letter-spacing: -0.005em;
}

.school-cloud .list span {
  display: inline-block;
  margin: 0 12px;
}

.school-cloud .list span.highlight {
  color: var(--accent);
  font-weight: 600;
}

.ongoing-programs {
  background: var(--paper);
  border: 1px solid var(--paper-line);
  padding: 32px;
  margin-bottom: 28px;
}

.ongoing-head {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--paper-line);
}

.ongoing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--paper-line);
}

.ongoing-item {
  background: var(--paper);
  padding: 22px 20px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.ongoing-year {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 600;
}

.ongoing-title {
  font-family: var(--serif);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.ongoing-role {
  font-size: 12.5px;
  color: var(--muted);
  font-family: var(--mono);
  letter-spacing: 0.05em;
}

@media (max-width: 820px) {
  .ongoing-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .subject-grid {
    grid-template-columns: 1fr 1fr;
  }

  .teaching-head {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

@media (max-width: 600px) {
  .subject-grid {
    grid-template-columns: 1fr;
  }
}

.voice {
  background: var(--paper);
  padding: 120px 32px;
}

.voice-inner {
  max-width: 820px;
  margin: 0 auto;
}

.voice blockquote {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.55;
  color: var(--accent);
  border-left: 3px solid var(--accent);
  padding-left: 28px;
  margin-bottom: 40px;
  font-weight: 500;
}

.voice p {
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.95;
  margin-bottom: 20px;
}

.voice p strong {
  color: var(--ink);
  font-weight: 600;
}

.voice p em {
  font-family: var(--serif);
  font-style: italic;
  color: var(--accent);
}

.voice .sig {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--paper-line);
  font-family: var(--serif);
  font-size: 16px;
  color: var(--ink);
}

.voice .sig strong {
  display: block;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 2px;
}

.voice .sig .role {
  font-size: 13px;
  color: var(--muted);
  font-family: var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ================================================================
   Page: schedule
   ================================================================ */
.schedule-table {
  border: 2px solid var(--ink);
}

.sch-row {
  display: grid;
  grid-template-columns: 140px 1.2fr 1fr 2fr;
  border-bottom: 1px solid var(--paper-line);
  background: var(--paper);
}

.sch-row:last-child {
  border-bottom: none;
}

.sch-head {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.sch-cell {
  padding: 18px 20px;
  border-right: 1px solid var(--paper-line);
  font-size: 14px;
  display: flex;
  align-items: center;
}

.sch-head .sch-cell {
  border-right-color: rgba(255, 255, 255, 0.15);
}

.sch-cell:last-child {
  border-right: none;
}

.sch-cell strong {
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 600;
}

@media (max-width: 820px) {
  .sch-row {
    grid-template-columns: 80px 1fr 1fr;
  }

  .sch-row> :nth-child(4) {
    grid-column: 1 / 4;
    border-top: 1px dashed var(--paper-line);
    padding-left: 20px;
    font-size: 13px;
    color: var(--ink-soft);
  }

  .sch-head> :nth-child(4) {
    display: none;
  }
}

.cal-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--paper-line);
  border: 1px solid var(--paper-line);
}

.cal-cell {
  background: var(--paper);
  padding: 28px 24px;
  min-height: 180px;
}

.cal-month {
  font-family: var(--serif);
  font-size: 48px;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.cal-events {
  font-size: 14px;
}

.cal-event {
  padding: 6px 0;
  color: var(--ink-soft);
  border-top: 1px dashed var(--paper-line);
}

.cal-event:first-child {
  border-top: none;
}

.cal-event strong {
  color: var(--ink);
  font-weight: 600;
}

@media (max-width: 820px) {
  .cal-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ================================================================
   Page: faq
   ================================================================ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--paper-line);
}

.faq-item {
  border-bottom: 1px solid var(--paper-line);
  padding: 32px 0;
}

.faq-q {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
  display: flex;
  gap: 16px;
  align-items: baseline;
}

.faq-q::before {
  content: 'Q.';
  font-family: var(--serif);
  font-style: italic;
  color: var(--accent);
  flex-shrink: 0;
}

.faq-a {
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.85;
  padding-left: 36px;
}

@media (max-width: 600px) {
  .faq-a {
    padding-left: 0;
  }
}

/* ================================================================
   Page: contact
   ================================================================ */
.contact-wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 32px 100px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-top: 60px;
}

.info-box h3 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.info-item {
  padding: 18px 0;
  border-bottom: 1px dashed var(--paper-line);
}

.info-item:last-child {
  border-bottom: none;
}

.info-k {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.info-v {
  font-size: 15px;
  color: var(--ink);
  line-height: 1.7;
}

.info-v a {
  color: var(--accent);
}

.form-box {
  background: var(--paper-deep);
  padding: 40px 32px;
  border: 1px solid var(--paper-line);
}

.form-box h3 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}

.form-field {
  margin-bottom: 20px;
}

.form-field label {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--paper);
  border: 1px solid var(--paper-line);
  font-family: var(--sans);
  font-size: 15px;
  color: var(--ink);
  transition: border-color 0.2s;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-field textarea {
  resize: vertical;
  min-height: 100px;
}

.submit-btn {
  width: 100%;
  padding: 16px 24px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s;
}

.submit-btn:hover {
  background: var(--accent);
}

@media (max-width: 820px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

.process {
  background: var(--ink);
  color: var(--paper);
  padding: 100px 32px;
}

.process-grid {
  max-width: var(--maxw);
  margin: 40px auto 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.process-step {
  padding: 28px 20px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.process-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 36px;
  color: var(--accent-soft);
  line-height: 1;
  margin-bottom: 16px;
}

.process-step h4 {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.process-step p {
  color: #C8D0DF;
  font-size: 13px;
  line-height: 1.7;
}

@media (max-width: 820px) {
  .process-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* Map card (Naver Place link) */
.map-wrap {
  background: var(--paper-deep);
  padding: 80px 32px;
}

.map-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 280px;
  background: var(--paper);
  border: 1px solid var(--paper-line);
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s;
  cursor: pointer;
}

.map-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 6px 6px 0 var(--ink);
}

.map-card:hover .map-card-cta {
  background: var(--accent);
  color: var(--paper);
}

.map-card-left {
  position: relative;
  background: var(--ink);
  overflow: hidden;
}

.map-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(184, 68, 31, 0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(184, 68, 31, 0.18) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.6;
}

.map-grid-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, transparent 0%, rgba(15, 26, 46, 0.75) 80%);
}

.map-pin {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  color: var(--accent-soft);
}

.map-pin svg {
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.4));
  animation: pinFloat 3s ease-in-out infinite;
}

@keyframes pinFloat {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-6px);
  }
}

.map-card-right {
  padding: 36px 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.map-card-kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.map-card-title {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  line-height: 1.25;
}

.map-card-desc {
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.75;
  margin-bottom: 24px;
}

.map-card-cta {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: background 0.25s, color 0.25s;
}

.map-card-cta .arrow {
  font-family: var(--sans);
  font-size: 13px;
}

@media (max-width: 700px) {
  .map-card {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .map-card-left {
    height: 180px;
  }

  .map-card-right {
    padding: 28px 24px;
  }

  .map-card-title {
    font-size: 22px;
  }
}

/* ================================================================
   Narrow phones (<= 560px) — prevent cramped cells, mid-word breaks
   ================================================================ */
@media (max-width: 560px) {
  /* Hero (home) */
  .hero {
    padding: 110px 20px 56px;
  }

  .hero-title {
    margin-bottom: 28px;
  }

  .hero-sub {
    font-size: 16px;
    line-height: 1.75;
    margin-bottom: 36px;
  }

  .hero-meta {
    margin-top: 64px;
  }

  .hero-meta div {
    padding: 18px 14px;
  }

  .hero-meta .k {
    font-size: 9px;
    letter-spacing: 0.15em;
  }

  .hero-meta .v {
    font-size: 15px;
    line-height: 1.35;
  }

  /* Page header (about, levels, roadmap, schedule, faq, contact) */
  .page-header {
    padding: 104px 20px 40px;
  }

  .page-lead {
    font-size: 15px;
    line-height: 1.75;
  }

  /* Sections base */
  section {
    padding: 48px 20px;
  }

  .section-desc {
    font-size: 15px;
  }

  /* Home — highlights */
  .hi-card {
    padding: 28px 22px;
  }

  .hi-num {
    font-size: 40px;
    margin-bottom: 14px;
  }

  /* Home — instructor teaser */
  .teaser-instructor {
    padding: 64px 20px;
  }

  .teaser-metric {
    padding: 8px 12px;
    font-size: 12px;
  }

  .teaser-metric .v {
    font-size: 16px;
  }

  /* Home — roadmap preview */
  .teaser-roadmap {
    padding: 64px 20px;
  }

  .rp-cell {
    padding: 22px 16px;
    min-height: auto;
  }

  .rp-lv {
    font-size: 30px;
    margin-bottom: 8px;
  }

  .rp-name {
    font-size: 16px;
  }

  .rp-grade {
    font-size: 11px;
    margin-bottom: 12px;
  }

  .rp-cert {
    font-size: 11px;
  }

  /* Levels page — badge + specs */
  .lvl-intro {
    padding: 44px 20px;
  }

  .lvl-badge .lv-num {
    font-size: 64px;
  }

  .lvl-specs {
    gap: 8px;
  }

  .lvl-spec {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 10px 0;
  }

  .lvl-spec .k {
    padding-top: 0;
  }

  .lvl-steps {
    padding: 60px 20px;
  }

  .lvl-steps-head {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .lvl-steps-head h4 {
    font-size: 20px;
  }

  /* Roadmap page — flow + table */
  .flow-step {
    padding: 18px 12px;
  }

  .flow-step-num {
    font-size: 32px;
  }

  .flow-step-name {
    font-size: 15px;
  }

  .roadmap-cell {
    padding: 18px 14px;
  }

  .level-badge {
    font-size: 22px;
  }

  .cell-main {
    font-size: 16px;
  }

  .cell-sub {
    font-size: 12px;
  }

  /* Schedule page — table + calendar */
  .sch-cell {
    padding: 14px 14px;
    font-size: 13px;
  }

  .cal-cell {
    padding: 22px 18px;
    min-height: auto;
  }

  .cal-month {
    font-size: 36px;
  }

  /* Home map card */
  .map-card-right {
    padding: 24px 20px;
  }

  .map-card-title {
    font-size: 20px;
  }
}