:root { --bg: #ffffff; --bg-alt: #f5f7fa; --text: #1c2430; --muted: #505f73; --line: #dfe4ea; --accent: #1958c2; --accent-text: #ffffff; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif; line-height: 1.6; overflow-wrap: anywhere; }
a { color: inherit; }
.container { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.site-header { border-bottom: 1px solid var(--line); }
.header-row { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { font-weight: 800; font-size: 20px; text-decoration: none; }
.header-nav { display: flex; gap: 20px; }
.header-nav a { text-decoration: none; color: var(--muted); }
.hero { padding: 80px 0; background: linear-gradient(135deg, #f4f7fd, #edf3fb); }
.hero h1 { font-size: clamp(30px, 3.6vw, 46px); line-height: 1.3; margin: 0 0 16px; letter-spacing: -0.045em; }
.lead { color: var(--muted); font-size: 18px; margin: 0 0 28px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-block; padding: 12px 20px; border: 1px solid var(--line); border-radius: 8px; text-decoration: none; font-weight: 600; }
.button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.section { padding: 76px 0; }
.section.alt { background: var(--bg-alt); }
.section h2 { font-size: 28px; margin: 0 0 24px; letter-spacing: -0.035em; line-height: 1.4; }
.section-note { color: var(--muted); margin: -12px 0 24px; }
.feature-grid { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.feature-grid li { border: 1px solid var(--line); border-radius: 12px; padding: 26px; }
.feature-grid h3 { margin: 0 0 8px; font-size: 18px; }
.feature-grid p { margin: 0; color: var(--muted); }
.plan-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.plan { background: var(--bg); border: 1px solid var(--line); border-radius: 12px; padding: 24px; display: flex; flex-direction: column; }
.plan.highlighted { border: 2px solid var(--accent); background: #f6f9ff; }
.plan h3 { margin: 0; font-size: 22px; }
.plan-ko { font-size: 15px; color: var(--muted); font-weight: 500; }
.price { font-size: 28px; font-weight: 800; margin: 12px 0 4px; }
.price span { font-size: 15px; font-weight: 500; color: var(--muted); }
.plan-summary { color: var(--muted); margin: 0 0 12px; }
.plan ul { margin: 0; padding-left: 18px; margin-bottom: 28px; }
.site-footer { border-top: 1px solid var(--line); padding: 24px 0; color: var(--muted); font-size: 14px; }
html { scroll-padding-top: 24px; }
a:focus-visible { outline: 3px solid #1958c2; outline-offset: 5px; }
.skip-link { position: absolute; left: 16px; top: -80px; padding: 12px; background: #fff; z-index: 1; }
.skip-link:focus { top: 8px; }
.brand span { color: var(--accent); }
.hero-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: center; }
.eyebrow { color: var(--accent); font-size: 13px; font-weight: 750; letter-spacing: 0.06em; margin: 0 0 16px; }
.hero-note { font-size: 13px; color: var(--muted); margin-top: 20px; }
.flow-preview { background: #fff; border: 1px solid #d5dfef; border-radius: 20px; padding: 28px; box-shadow: 0 16px 40px #19396b0d; }
.flow-list { list-style: none; padding: 0; margin: 0; }
.flow-list li { display: flex; align-items: center; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.flow-list li:last-child { border: 0; padding-bottom: 0; }
.step { color: var(--accent); background: #eef3fc; border-radius: 50%; padding: 8px 11px; font-size: 13px; font-weight: 700; }
.flow-list div span { display: block; font-size: 13px; color: var(--muted); }
.card-number { display: block; font-size: 12px; color: var(--accent); font-weight: 700; margin-bottom: 20px; }
.feature-grid p + p { margin-top: 12px; }
.feature-grid .feature-label { color: var(--accent); font-size: 13px; font-weight: 700; margin: 0 0 8px; }
.scenario-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.scenario-index { color: var(--accent); font-size: 28px; font-weight: 700; margin: 0; }
.scenario-grid h3 { margin: 12px 0; }
.scenario-grid p:not(.scenario-index) { color: var(--muted); }
.plan-action { margin-top: auto; text-align: center; font-size: 14px; }
.contact { background: #142f52; color: #fff; }
.contact .eyebrow { color: #a7cbff; }
.contact-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; }
.contact-details { border-left: 1px solid #66809f; padding-left: 32px; }
.contact-details h3 { margin-top: 0; }
.contact-details p { margin: 8px 0; }
.contact-note { color: #d1def0; font-size: 14px; }
.faq-container { max-width: 860px; }
.faq-list article { padding: 22px 0; border-bottom: 1px solid var(--line); }
.faq-list h3 { font-size: 17px; margin: 0 0 8px; }
.faq-list p { margin: 0; color: var(--muted); }
.footer-row { display: flex; justify-content: space-between; gap: 24px; }
@media (max-width: 760px) {
  .hero { padding: 48px 0; }
  .hero-grid, .contact-grid { grid-template-columns: 1fr; gap: 28px; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .scenario-grid { grid-template-columns: 1fr; gap: 24px; }
  .section { padding: 48px 0; }
  .section h2 { font-size: 25px; }
  .contact-details { border-left: 0; border-top: 1px solid #66809f; padding: 24px 0 0; }
  .footer-row { flex-direction: column; gap: 0; }
}
@media (max-width: 480px) {
  .header-nav { gap: 14px; font-size: 13px; }
  .feature-grid, .plan-grid { grid-template-columns: minmax(0, 1fr); }
  .flow-preview, .feature-grid li { padding: 22px; }
  .lead { font-size: 16px; }
  .button { padding: 12px 16px; }
}

.signup-page { max-width: 680px; padding-top: 40px; padding-bottom: 64px; }
.signup-form { display: grid; gap: 16px; }
.signup-form label { display: grid; gap: 6px; font-weight: 600; }
.signup-form input:not([type="checkbox"]), .signup-form textarea { width: 100%; padding: 12px; border: 1px solid #68788c; border-radius: 6px; font: inherit; }
.signup-form label span { color: var(--muted); font-size: 13px; font-weight: 400; }
.signup-form .consent { display: flex; align-items: center; }
.signup-form input[type="checkbox"] { width: 20px; height: 20px; }
.signup-form button { font: inherit; cursor: pointer; margin-top: 12px; }
.form-errors { border: 2px solid #a12424; padding: 16px; margin-bottom: 24px; }
.form-errors h2 { font-size: 20px; }
.honeypot { display: none; }
input:focus-visible, textarea:focus-visible, button:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }