*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
 
    :root {
      --kpc-red: #D0021B;
	  --kpc-orange: #ED5C23;
      --kpc-dark: #1A1A2E;
      --accent: #E8380D;
      --accent-light: #FFF0ED;
      --accent-border: #F5C4B3;
      --text-primary: #1A1A2E;
      --text-secondary: #5A5A72;
      --text-muted: #8A8AA0;
      --bg-page: #F4F4F7;
      --bg-card: #FFFFFF;
      --bg-card-hover: #FAFAFA;
      --border: #E2E2EA;
      --border-focus: #D0021B;
      --green: #1D9E75;
      --blue: #185FA5;
      --purple: #534AB7;
      --orange: #BA7517;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --shadow-card: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
      --shadow-card-hover: 0 4px 12px rgba(0,0,0,0.10), 0 2px 4px rgba(0,0,0,0.06);
      --shadow-card-selected: 0 0 0 2px var(--kpc-orange), 0 4px 16px rgba(208,2,27,0.12);
    }

	body {
      font-family: 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif;
      background: var(--bg-page);
      color: var(--text-primary);
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }

    /* ¦¡¦¡ Header ¦¡¦¡ */
    .header {
      background: var(--bg-card);
      border-bottom: 1px solid var(--border);
      padding: 0 2rem;
      height: 56px;
      display: flex;
      align-items: center;
      position: sticky;
      top: 0;
      z-index: 100;
    }
 
    .header img {
      height: 28px;
      width: auto;
    }

    /* ¦¡¦¡ Main ¦¡¦¡ */	
    .main {
      flex: 1;
      max-width: 1000px;
      width: 100%;
      margin: 0 auto;
      padding: 2rem 1.5rem 2rem;
    }
 
    /* ¦¡¦¡ Page title ¦¡¦¡ */
    .page-title {
      text-align: center;
      margin-bottom: 2.5rem;
    }
 
    .page-title h1 {
      font-size: clamp(1.4rem, 3vw, 1.9rem);
      font-weight: 700;
      color: var(--text-primary);
      line-height: 1.35;
      letter-spacing: -0.02em;
      margin-bottom: 0.5rem;
    }
 
    .ai-title {
	  font-size:50px;
      color: var(--kpc-orange);
    }
 
    .page-title p {
      font-size: 0.95rem;
      color: var(--text-secondary);
    }
 
    /* ¦¡¦¡ Step indicator ¦¡¦¡ */
    .step-row {
      display: flex;
      align-items: center;
      gap: 0;
      margin-bottom: 1rem;
    }
 
    .step-item {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 0.8rem;
      color: var(--text-muted);
      font-weight: 500;
    }
 
    .step-item.active { color: var(--kpc-orange); }
    .step-item.done { color: var(--green); }
 
    .step-num {
      width: 22px; height: 22px;
      border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      font-size: 0.72rem;
      font-weight: 700;
      background: var(--border);
      color: var(--text-muted);
      flex-shrink: 0;
      transition: background 0.2s, color 0.2s;
    }
    .step-item.active .step-num { background: var(--kpc-orange); color: #fff; }
    .step-item.done .step-num { background: var(--green); color: #fff; }
 
    .step-divider {
      flex: 1;
      height: 1px;
      background: var(--border);
      margin: 0 8px;
    }
 
    /* ¦¡¦¡ Section label ¦¡¦¡ */
    .section-label {
      font-size: 0.8rem;
      font-weight: 600;
      color: var(--text-secondary);
      letter-spacing: 0.05em;
      text-transform: uppercase;
      margin-bottom: 0.75rem;
      display: flex;
      align-items: center;
      gap: 6px;
    }
 
    .section-label::before {
      content: '';
      display: inline-block;
      width: 3px;
      height: 14px;
      background: var(--kpc-orange);
      border-radius: 2px;
    }
 
    /* ¦¡¦¡ Cert grid ¦¡¦¡ */
    .cert-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-bottom: 1.5rem;
    }
 
    @media (max-width: 600px) {
      .cert-grid { grid-template-columns: repeat(2, 1fr); }
    }
 
    @media (max-width: 380px) {
      .cert-grid { grid-template-columns: 1fr; }
    }
 
    .cert-card {
      background: var(--bg-card);
      border: 1.5px solid var(--border);
      border-radius: var(--radius-md);
      padding: 1.25rem 1rem 1rem;
      cursor: pointer;
      transition: border-color 0.18s, box-shadow 0.18s, transform 0.12s, background 0.15s;
      box-shadow: var(--shadow-card);
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 0.75rem;
      position: relative;
      outline: none;
      user-select: none;
    }
 
    .cert-card:hover {
      border-color: #C8C8D8;
      box-shadow: var(--shadow-card-hover);
      transform: translateY(-2px);
      background: var(--bg-card-hover);
    }
 
    .cert-card:focus-visible {
      box-shadow: 0 0 0 3px rgba(208,2,27,0.25);
      border-color: var(--kpc-orange);
    }
 
    .cert-card.selected {
      border-color: var(--kpc-orange);
      box-shadow: var(--shadow-card-selected);
      background: #FFFAFA;
    }
 
    /* ¼±Åà üũ ¹èÁö */
    .cert-card .check-badge {
      position: absolute;
      top: 8px;
      right: 8px;
      width: 20px;
      height: 20px;
      border-radius: 50%;
      background: var(--kpc-orange);
      display: flex;
      align-items: center;
      justify-content: center;
      opacity: 0;
      transform: scale(0.6);
      transition: opacity 0.18s, transform 0.18s;
    }
 
    .cert-card.selected .check-badge {
      opacity: 1;
      transform: scale(1);
    }
 
    .check-badge svg {
      width: 12px; height: 12px;
      stroke: #fff;
      stroke-width: 2.5;
      fill: none;
    }
 
    .cert-logo-wrap {
      height: 52px;
      display: flex;
      align-items: center;
      justify-content: center;
    }
 
    .cert-logo-wrap img {
      max-height: 48px;
      max-width: 120px;
      width: auto;
      object-fit: contain;
    }
 
    .cert-badge-fallback {
      width: 56px;
      height: 56px;
      border-radius: var(--radius-sm);
      display: none;
      align-items: center;
      justify-content: center;
      font-size: 0.75rem;
      font-weight: 700;
      line-height: 1.2;
      text-align: center;
    }
 
    .cert-badge-fallback.green  { background: #E1F5EE; color: #0F6E56; }
    .cert-badge-fallback.purple { background: #EEEDFE; color: #3C3489; }
    .cert-badge-fallback.orange { background: #FAEEDA; color: #854F0B; }
    .cert-badge-fallback.blue   { background: #E6F1FB; color: #0C447C; }
    .cert-badge-fallback        { background: #F1EFE8; color: #444441; }
 
    .cert-info {
      text-align: center;
    }
 
    .cert-name {
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--text-primary);
      line-height: 1.4;
    }
 
    .cert-name .grade {
      color: var(--kpc-orange);
      font-weight: 700;
    }
 
    /* ¦¡¦¡ Notice box ¦¡¦¡ */
    .notice-box {
      background: var(--bg-card);
      border: 1.5px solid var(--border);
      border-radius: var(--radius-md);
      padding: 1.25rem 1.5rem;
      margin-bottom: 1.5rem;
      box-shadow: var(--shadow-card);
    }
 
    .notice-title {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.9rem;
      font-weight: 700;
      color: #B71C1C;
      margin-bottom: 1rem;
    }
 
    .notice-title svg {
      width: 18px; height: 18px;
      flex-shrink: 0;
    }
 
    .notice-content {
	  font-size: 14px;	
      list-style: none;
      padding: 0;
      display: flex;
      flex-direction: column;
      gap: 0.5rem;
    }
 
    .notice-content li {
	  list-style: none;
      font-size: 0.84rem;
      line-height: 1.65;
      color: var(--text-secondary);
      padding-left: 1.1rem;
      position: relative;
    }
 
    .notice-content li::before {
      content: '-';
      position: absolute;
      left: 0;
      color: var(--text-muted);
      font-weight: 700;
    }
 
    .notice-content li.highlight {
      color: #B71C1C;
      font-weight: 600;
      padding-left: 0;
    }
 
    .notice-content li.highlight::before { display: none; }
 
    .notice-divider {
      border: none;
      border-top: 1px solid var(--border);
      margin: 1rem 0 0.85rem;
    }
 
    .agree-row {
      display: flex;
      align-items: center;
      gap: 10px;
      cursor: pointer;
    }
 
    .agree-row input[type="checkbox"] {
      width: 18px; height: 18px;
      accent-color: var(--kpc-orange);
      cursor: pointer;
      flex-shrink: 0;
    }
 
    .agree-label {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-primary);
    }
 
    /* ¦¡¦¡ Start button ¦¡¦¡ */
    .start-btn {
      display: block;
      width: 100%;
      padding: 1rem 1.5rem;
      border-radius: var(--radius-md);
      border: none;
      cursor: pointer;
      font-family: inherit;
      font-size: 1rem;
      font-weight: 700;
      letter-spacing: -0.01em;
      transition: background 0.18s, opacity 0.18s, transform 0.12s, box-shadow 0.18s;
      background: #C8C8D0;
      color: #fff;
      pointer-events: none;
    }
 
    .start-btn.ready {
      background: var(--kpc-orange);
      color: #fff;
      pointer-events: auto;
      box-shadow: 0 4px 14px rgba(208,2,27,0.28);
    }
 
    .start-btn.ready:hover {
      background: EE6B38;
      transform: translateY(-1px);
      box-shadow: 0 6px 20px rgba(208,2,27,0.34);
    }
 
    .start-btn.ready:active {
      transform: translateY(0);
      box-shadow: 0 2px 8px rgba(208,2,27,0.2);
    }
 
    /* ¦¡¦¡ Footer ¦¡¦¡ */
    .footer {
      text-align: center;
      padding: 1.25rem;
      font-size: 0.78rem;
      color: var(--text-muted);
      border-top: 1px solid var(--border);
      background: var(--bg-card);
	  
	  position: relative;     /* ·Î°í À§Ä¡ÀÇ ±âÁØÁ¡ÀÌ µË´Ï´Ù */
	  text-align: center;     /* ¹®ÀÚ¸¦ °¡¿îµ¥ Á¤·ÄÇÕ´Ï´Ù */
      padding: 10px 0;        /* ǪÅÍÀÇ »óÇÏ ¿©¹é (¿øÇÏ´Â ´ë·Î Á¶Àý °¡´É) */
      line-height: 20px;      /* ¹®ÀÚÀÇ ¼¼·Î À§Ä¡¸¦ ¸ÂÃß±â À§ÇÑ Çà°£ (ÇÊ¿ä½Ã Á¶Àý) */
    }
 
    .footer #kpc_ome {
	  position: absolute;
	  left: 20px;             /* ¿ÞÂÊ ³¡¿¡¼­ ¾à°£ÀÇ ¿©¹é(20px)À» µÓ´Ï´Ù. ¿ÏÀüÈ÷ ºÙÀÌ·Á¸é 0 */
	  top: 50%;               /* ¼¼·Î Áß¾Ó Á¤·Ä */
	  transform: translateY(-50%); /* ¼¼·Î Áß¾Ó Á¤·Ä ¿ÏÇϽÃÅ°´Â º¸Á¤ */
	}

	/* À̹ÌÁö ÀÚüÀÇ Á¤·ÄÀ̳ª Å©±â Á¶ÀýÀÌ ÇÊ¿äÇÒ ¶§ */
	.footer #kpc_ome img {
	  vertical-align: middle;
	  height:30px;
	}
 
  
    /* ¦¡¦¡ Toast ¦¡¦¡ */
    .toast {
      position: fixed;
      bottom: 2rem;
      left: 50%;
      transform: translateX(-50%) translateY(0.5rem);
      background: var(--text-primary);
      color: #fff;
      padding: 0.65rem 1.25rem;
      border-radius: 100px;
      font-size: 0.85rem;
      font-weight: 500;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.22s, transform 0.22s;
      white-space: nowrap;
      z-index: 999;
    }
 
    .toast.show {
      opacity: 1;
      transform: translateX(-50%) translateY(0);
    }