/* ===== VARIABLES ===== */
:root {
  --primary: #5168B0;
  --primary-dark: #3d5090;
  --accent: #81C566;
  --accent-dark: #6aaa52;
  --sub: #7A868E;
  --text: #1a1a2e;
  --text-light: #555;
  --bg: #ffffff;
  --bg-light: #f7f8fc;
  --border: #e2e6ea;
  --radius: 8px;
  --shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
  --max-w: 1100px;
  --header-h: 64px;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Apple SD Gothic Neo", "Malgun Gothic", "Nanum Gothic", sans-serif;
  color: var(--text);
  line-height: 1.7;
  background: var(--bg);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ===== LAYOUT ===== */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 80px 0; }
.section--light { background: var(--bg-light); }

.section-header {
  text-align: center;
  margin-bottom: 52px;
}
.section-header h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 12px;
}
.section-header p {
  color: var(--text-light);
  font-size: 1rem;
  max-width: 560px;
  margin: 0 auto;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 0.2s;
  cursor: pointer;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-outline { border: 2px solid rgba(255,255,255,0.7); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,0.15); border-color: #fff; }
.btn-blue { background: var(--primary); color: #fff; }
.btn-blue:hover { background: var(--primary-dark); }
.btn-ghost { border: 2px solid var(--primary); color: var(--primary); }
.btn-ghost:hover { background: var(--primary); color: #fff; }

/* ===== HEADER ===== */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  background: #fff;
  box-shadow: 0 1px 8px rgba(0,0,0,0.08);
  z-index: 100;
  height: var(--header-h);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--primary);
}
.nav-logo img { height: 44px; width: auto; }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-item { position: relative; }
.nav-link {
  display: block;
  padding: 8px 13px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text);
  border-radius: var(--radius);
  transition: all 0.15s;
  white-space: nowrap;
}
.nav-link:hover { color: var(--primary); background: #eef1fb; }
.nav-link.active { color: var(--primary); font-weight: 700; }
.nav-contact-btn {
  background: var(--primary);
  color: #fff !important;
  border-radius: var(--radius);
  padding: 8px 16px;
}
.nav-contact-btn:hover { background: var(--primary-dark) !important; color: #fff !important; }

/* Dropdown */
.nav-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  min-width: 210px;
  padding: 6px 0;
  z-index: 200;
}
.nav-item:hover .nav-dropdown { display: block; }
.nav-dropdown a {
  display: block;
  padding: 10px 18px;
  font-size: 0.88rem;
  color: var(--text);
  transition: all 0.15s;
}
.nav-dropdown a:hover { background: #eef1fb; color: var(--primary); }

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0; right: 0; bottom: 0;
  background: #fff;
  overflow-y: auto;
  z-index: 99;
  padding: 8px 0 40px;
}
.mobile-nav.open { display: block; }
.mobile-nav-link {
  display: block;
  padding: 15px 24px;
  font-size: 0.97rem;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.mobile-nav-link:hover { color: var(--primary); background: #eef1fb; }
.mobile-nav-group {
  padding: 12px 24px 4px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--sub);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--border);
}
.mobile-nav-sub {
  display: block;
  padding: 12px 36px;
  font-size: 0.92rem;
  color: var(--text-light);
  border-bottom: 1px solid var(--border);
}
.mobile-nav-sub:hover { color: var(--primary); background: #eef1fb; }

/* ===== HERO ===== */
.hero {
  padding-top: calc(var(--header-h) + 80px);
  padding-bottom: 80px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
}
.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 60px;
  align-items: center;
}
.hero-tag {
  display: inline-block;
  background: rgba(255,255,255,0.18);
  color: #fff;
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}
.hero-text h1 {
  font-size: 2.3rem;
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 14px;
}
.hero-text .subtitle {
  font-size: 1rem;
  opacity: 0.88;
  font-weight: 500;
  margin-bottom: 18px;
  line-height: 1.6;
}
.hero-text .description {
  font-size: 0.92rem;
  opacity: 0.78;
  line-height: 1.85;
  margin-bottom: 36px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-image { display: flex; justify-content: center; }
.hero-image img {
  width: 100%;
  max-width: 380px;
  height: 460px;
  object-fit: cover;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.28);
}

/* ===== PILLARS ===== */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.pillar-card {
  text-align: center;
  padding: 40px 28px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border-top: 4px solid var(--accent);
}
.pillar-card .icon { font-size: 2.4rem; margin-bottom: 16px; }
.pillar-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}
.pillar-card p { font-size: 0.88rem; color: var(--text-light); line-height: 1.7; }

/* ===== PROGRAMS ===== */
.programs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.program-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s;
}
.program-card:hover { transform: translateY(-5px); box-shadow: 0 10px 36px rgba(0,0,0,0.12); }
.program-card-top {
  background: var(--primary);
  padding: 28px 24px;
  color: #fff;
}
.program-card-top .number {
  font-size: 0.78rem;
  font-weight: 700;
  opacity: 0.65;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}
.program-card-top h3 { font-size: 1.2rem; font-weight: 800; margin-bottom: 8px; }
.program-card-top .targets { font-size: 0.83rem; opacity: 0.82; }
.program-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.program-card-body p {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.75;
  margin-bottom: 20px;
}
.program-highlights { margin-bottom: 20px; }
.program-highlights li {
  font-size: 0.86rem;
  color: var(--text);
  padding: 5px 0 5px 20px;
  position: relative;
}
.program-highlights li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}
.program-meta {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.83rem;
  margin-bottom: 16px;
}
.program-meta .duration { color: var(--sub); }
.program-meta .price { color: var(--primary); font-weight: 700; }
.program-card-body .btn { text-align: center; }

/* ===== KAC SECTION ===== */
.kac-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.kac-badge {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 3px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 14px;
}
.kac-text h2 { font-size: 1.85rem; font-weight: 800; margin-bottom: 12px; }
.kac-text p { color: var(--text-light); line-height: 1.85; margin-bottom: 24px; font-size: 0.95rem; }
.kac-info-row {
  display: flex;
  gap: 24px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.kac-info-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  color: var(--text-light);
}
.kac-info-item strong { color: var(--text); font-weight: 700; }

.kac-curriculum-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
}
.kac-curriculum-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--accent);
}
.curriculum-list { display: flex; flex-direction: column; gap: 12px; }
.curriculum-item { display: flex; align-items: flex-start; gap: 12px; }
.curriculum-item .num {
  flex-shrink: 0;
  width: 26px; height: 26px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.76rem;
  font-weight: 700;
}
.curriculum-item .title { font-size: 0.88rem; color: var(--text); padding-top: 3px; line-height: 1.5; }
.kac-note {
  margin-top: 16px;
  padding: 12px 14px;
  background: #f0f7eb;
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.83rem;
  color: #4a7a36;
}

/* ===== BOARDS (Community Section) ===== */
.boards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.board-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px 20px;
  text-align: center;
  box-shadow: var(--shadow);
  border-bottom: 3px solid var(--accent);
  transition: transform 0.2s, box-shadow 0.2s;
}
.board-card:hover { transform: translateY(-4px); box-shadow: 0 8px 28px rgba(0,0,0,0.1); }
.board-card .icon { font-size: 2rem; margin-bottom: 12px; }
.board-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.board-card p { font-size: 0.83rem; color: var(--sub); line-height: 1.6; }

/* ===== CTA SECTION ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  text-align: center;
  padding: 80px 24px;
}
.cta-section h2 { font-size: 2rem; font-weight: 800; margin-bottom: 14px; }
.cta-section p { font-size: 1rem; opacity: 0.85; margin-bottom: 36px; }
.cta-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 28px; }
.cta-contact {
  display: flex;
  gap: 28px;
  justify-content: center;
  flex-wrap: wrap;
  font-size: 0.92rem;
  opacity: 0.82;
}
.cta-contact a { color: #fff; }
.cta-contact a:hover { opacity: 1; text-decoration: underline; }

/* ===== FOOTER ===== */
#footer {
  background: #14142b;
  color: rgba(255,255,255,0.65);
  padding: 52px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 44px;
}
.footer-brand .brand-name {
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 10px;
}
.footer-brand p { font-size: 0.85rem; line-height: 1.8; margin-bottom: 18px; }
.footer-sns { display: flex; gap: 8px; flex-wrap: wrap; }
.footer-sns a {
  display: inline-block;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.75);
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.78rem;
  transition: all 0.2s;
}
.footer-sns a:hover { background: var(--accent); color: #fff; }
.footer-col h4 {
  font-size: 0.82rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.footer-col ul li { margin-bottom: 9px; }
.footer-col ul li a {
  font-size: 0.86rem;
  color: rgba(255,255,255,0.55);
  transition: color 0.15s;
}
.footer-col ul li a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 22px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-biz { line-height: 1.9; }

/* ===== PAGE HERO (inner pages) ===== */
.page-hero {
  padding: calc(var(--header-h) + 60px) 0 60px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  text-align: center;
}
.page-hero .tag {
  display: inline-block;
  background: rgba(255,255,255,0.18);
  padding: 3px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 14px;
}
.page-hero h1 { font-size: 2rem; font-weight: 800; margin-bottom: 12px; }
.page-hero p { font-size: 0.95rem; opacity: 0.85; max-width: 580px; margin: 0 auto; line-height: 1.7; }

/* ===== PROGRAM DETAIL ===== */
.program-detail-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  align-items: start;
}
.detail-block { margin-bottom: 40px; }
.detail-block h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--accent);
}
.target-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.target-tag {
  background: #eef1fb;
  color: var(--primary);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
}
.highlight-list li {
  padding: 11px 0 11px 22px;
  position: relative;
  border-bottom: 1px solid var(--border);
  font-size: 0.93rem;
}
.highlight-list li:last-child { border-bottom: none; }
.highlight-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}
.program-desc { font-size: 0.96rem; color: var(--text-light); line-height: 1.85; }

.sidebar-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  position: sticky;
  top: calc(var(--header-h) + 20px);
  border-top: 4px solid var(--primary);
}
.sidebar-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 20px; }
.info-rows { display: flex; flex-direction: column; gap: 0; margin-bottom: 22px; }
.info-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.87rem;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  gap: 8px;
}
.info-row:last-child { border-bottom: none; }
.info-row .label { color: var(--sub); flex-shrink: 0; }
.info-row .value { color: var(--text); font-weight: 600; text-align: right; }
.sidebar-card .btn { width: 100%; text-align: center; margin-bottom: 8px; }

/* ===== KAC DETAIL PAGE ===== */
.kac-detail-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  align-items: start;
}
.step-list { display: flex; flex-direction: column; }
.step-item {
  display: flex;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.step-item:last-child { border-bottom: none; }
.step-num {
  flex-shrink: 0;
  width: 34px; height: 34px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}
.step-content h4 { font-size: 0.97rem; font-weight: 600; color: var(--text); padding-top: 5px; }

/* ===== ABOUT PAGE ===== */
.about-hero-grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 48px;
  align-items: start;
}
.about-hero-grid img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.about-text h2 { font-size: 1.8rem; font-weight: 800; margin-bottom: 6px; }
.about-text .role { color: var(--primary); font-weight: 600; margin-bottom: 20px; font-size: 1rem; }
.todo-box {
  padding: 20px;
  background: #fff8e1;
  border-left: 4px solid #f59e0b;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.88rem;
  color: #92400e;
  line-height: 1.7;
}
.todo-box strong { display: block; margin-bottom: 4px; font-size: 0.9rem; }

/* ===== CONTACT PAGE ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 40px;
  align-items: start;
}
.contact-form-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 36px;
}
.contact-form-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 24px; }
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.93rem;
  font-family: inherit;
  color: var(--text);
  outline: none;
  transition: border-color 0.15s;
  background: #fff;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--primary); }
.form-group textarea { resize: vertical; min-height: 130px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-submit {
  width: 100%;
  padding: 13px;
  background: var(--primary);
  color: #fff;
  font-size: 0.97rem;
  font-weight: 700;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background 0.2s;
  margin-top: 6px;
}
.form-submit:hover { background: var(--primary-dark); }

.contact-info-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px;
}
.contact-info-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 22px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.contact-item:last-child { border-bottom: none; }
.contact-item-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 2px; }
.contact-item-label { font-size: 0.78rem; color: var(--sub); font-weight: 600; margin-bottom: 2px; }
.contact-item-value { font-size: 0.92rem; color: var(--text); font-weight: 500; }
.contact-item-value a { color: var(--primary); }
.contact-item-value a:hover { text-decoration: underline; }

.sns-section { margin-top: 24px; }
.sns-section h4 { font-size: 0.88rem; font-weight: 700; margin-bottom: 12px; color: var(--text); }
.sns-links { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.sns-link {
  display: block;
  padding: 9px 12px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.82rem;
  color: var(--text);
  font-weight: 500;
  transition: all 0.15s;
  text-align: center;
}
.sns-link:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ===== BOARD PAGES ===== */
.post-list { display: flex; flex-direction: column; gap: 24px; }
.post-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 32px;
  border-left: 4px solid var(--primary);
}
.post-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  flex-wrap: wrap;
  gap: 8px;
}
.post-badge {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 700;
}
.post-badge--accent { background: var(--accent); }
.post-badge--sub { background: var(--sub); }
.post-date { font-size: 0.82rem; color: var(--sub); }
.post-title { font-size: 1.1rem; font-weight: 700; color: var(--text); margin-bottom: 14px; }
.post-content {
  font-size: 0.93rem;
  color: var(--text-light);
  line-height: 1.9;
  white-space: pre-line;
}

.board-empty {
  text-align: center;
  padding: 80px 20px;
  color: var(--sub);
}
.board-empty .icon { font-size: 3rem; opacity: 0.35; margin-bottom: 16px; }
.board-empty h3 { font-size: 1.05rem; font-weight: 600; color: var(--text-light); margin-bottom: 8px; }
.board-empty p { font-size: 0.88rem; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .programs-grid { grid-template-columns: 1fr; }
  .kac-inner { grid-template-columns: 1fr; }
  .program-detail-grid,
  .kac-detail-grid { grid-template-columns: 1fr; }
  .program-detail-grid .sidebar-card { position: static; }
  .kac-detail-grid .sidebar-card { position: static; }
}

@media (max-width: 768px) {
  .nav-menu { display: none; }
  .nav-hamburger { display: flex; }

  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-text h1 { font-size: 1.7rem; }
  .hero-actions { justify-content: center; }
  .hero-image { order: -1; }
  .hero-image img { width: 220px; height: 264px; }

  .pillars-grid { grid-template-columns: 1fr; }
  .boards-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .about-hero-grid { grid-template-columns: 1fr; }
  .about-hero-grid img { max-width: 240px; }
  .contact-grid { grid-template-columns: 1fr; }

  .section { padding: 60px 0; }
  .section-header h2 { font-size: 1.65rem; }
  .page-hero h1 { font-size: 1.6rem; }
}

@media (max-width: 480px) {
  .boards-grid { grid-template-columns: 1fr; }
  .sns-links { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cta-contact { flex-direction: column; gap: 6px; }
}