:root {
  --db-primary: #15175c;
  --db-action: #e23b32;
  --db-ink: #151823;
  --db-muted: #5a6270;
  --db-paper: #ffffff;
  --db-surface: #f3f5f8;
  --db-border: #d8dde6;
  --da-mint: #dff4ef;
  --da-success: #087b68;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--db-ink); background: var(--db-paper); font-family: Pretendard, Arial, sans-serif; letter-spacing: 0; }
body, button, input, textarea, select { font-family: Pretendard, Arial, sans-serif; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { max-width: 100%; }
.da-skip { position: fixed; top: 8px; left: 8px; z-index: 100; padding: 12px 16px; color: #fff; background: var(--db-primary); transform: translateY(-140%); }
.da-skip:focus { transform: translateY(0); }
.db-container { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.da-icon { width: 22px; height: 22px; display: inline-flex; align-items: center; justify-content: center; flex: 0 0 auto; line-height: 0; }
.da-icon > svg { width: 22px; height: 22px; display: block; margin: 0; }
.da-header { position: sticky; top: 0; z-index: 40; height: 84px; background: rgba(255,255,255,.98); border-bottom: 1px solid var(--db-border); }
.da-header__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.da-brand { display: flex; align-items: center; gap: 12px; color: var(--db-primary); font-size: 23px; font-weight: 900; }
.da-brand__mark { width: 34px; height: 34px; display: grid; place-items: center; color: #fff; background: var(--db-primary); border-radius: 3px; font-size: 17px; }
.da-nav { display: flex; align-items: center; gap: 30px; font-size: 16px; font-weight: 750; }
.da-nav a:hover, .da-nav a:focus-visible { color: var(--db-action); }
.da-nav__cta { min-height: 48px; padding: 0 18px; display: inline-flex; align-items: center; color: #fff !important; background: var(--db-action); border-radius: 3px; }
.da-menu-button { width: 48px; height: 48px; display: none; align-items: center; justify-content: center; color: var(--db-primary); background: #fff; border: 1px solid var(--db-border); border-radius: 3px; }
.da-mobile-nav { display: none; position: fixed; top: 72px; right: 0; left: 0; z-index: 38; padding: 12px 20px 20px; background: #fff; border-bottom: 1px solid var(--db-border); box-shadow: 0 12px 20px rgba(21,24,35,.09); }
.da-mobile-nav[data-open="true"] { display: grid; }
.da-mobile-nav a { min-height: 48px; display: flex; align-items: center; padding: 0 8px; border-bottom: 1px solid var(--db-border); font-size: 17px; font-weight: 750; }
.da-hero { min-height: 650px; display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(410px, .96fr); }
.da-hero__copy { padding: 88px max(24px, calc((100vw - 1180px) / 2)) 84px; padding-right: 72px; display: flex; flex-direction: column; justify-content: center; }
.da-kicker { margin: 0 0 20px; display: flex; align-items: center; gap: 10px; color: var(--db-action); font-size: 15px; font-weight: 900; }
.da-kicker::before { content: ""; width: 40px; height: 3px; background: var(--db-action); }
.da-hero h1 { max-width: 690px; margin: 0; color: var(--db-primary); font-size: 59px; line-height: 1.14; font-weight: 900; letter-spacing: 0; }
.da-hero__lead { max-width: 650px; margin: 26px 0 0; color: var(--db-muted); font-size: 20px; line-height: 1.75; }
.da-actions { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 12px; }
.da-btn { min-height: 54px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 0 24px; border: 2px solid var(--db-primary); border-radius: 3px; cursor: pointer; font-size: 17px; font-weight: 850; }
.da-btn--primary { color: #fff; background: var(--db-primary); }
.da-btn--secondary { color: var(--db-primary); background: #fff; }
.da-btn--action { color: #fff; background: var(--db-action); border-color: var(--db-action); }
.da-btn:focus-visible, .da-choice:focus-visible, .da-faq summary:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, .da-menu-button:focus-visible { outline: 3px solid #ff9e96; outline-offset: 3px; }
.da-hero__visual { position: relative; min-height: 650px; overflow: hidden; background: #dce1e8; }
.da-hero__visual img { width: 100%; height: 100%; display: block; object-fit: cover; }
.da-hero__caption { position: absolute; right: 30px; bottom: 30px; width: 292px; padding: 22px; color: #fff; background: var(--db-primary); border-left: 5px solid var(--db-action); }
.da-hero__caption strong { display: block; margin-bottom: 8px; font-size: 20px; }
.da-hero__caption span { color: #dbddff; font-size: 15px; line-height: 1.6; }
.da-symptoms { background: var(--db-surface); border-top: 1px solid var(--db-border); border-bottom: 1px solid var(--db-border); }
.da-symptoms__grid { display: grid; grid-template-columns: .88fr repeat(3, 1fr); }
.da-symptoms__title, .da-choice { min-height: 174px; border: 0; border-right: 1px solid var(--db-border); }
.da-symptoms__title { padding: 30px 26px 30px 0; display: flex; flex-direction: column; justify-content: center; }
.da-symptoms__title small { color: var(--db-action); font-size: 14px; font-weight: 900; }
.da-symptoms__title h2 { margin: 8px 0 0; color: var(--db-primary); font-size: 31px; line-height: 1.28; }
.da-choice { padding: 28px; color: var(--db-ink); background: transparent; text-align: left; cursor: pointer; }
.da-choice:last-child { border-right: 0; }
.da-choice[aria-pressed="true"] { color: #fff; background: var(--db-primary); }
.da-choice .da-icon { margin-bottom: 20px; color: var(--db-action); }
.da-choice[aria-pressed="true"] .da-icon { color: #fff; }
.da-choice strong { display: block; font-size: 20px; }
.da-choice span:last-child { display: block; margin-top: 9px; color: var(--db-muted); font-size: 15px; line-height: 1.55; }
.da-choice[aria-pressed="true"] span:last-child { color: #d9dcff; }
.da-band { padding: 92px 0; }
.da-band--paper { background: #fff; }
.da-band--surface { background: var(--db-surface); }
.da-band--primary { color: #fff; background: var(--db-primary); }
.da-section-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, 420px); gap: 64px; align-items: end; margin-bottom: 42px; }
.da-section-head h2 { margin: 0; color: var(--db-primary); font-size: 43px; line-height: 1.25; letter-spacing: 0; }
.da-section-head p { margin: 0; color: var(--db-muted); font-size: 18px; line-height: 1.75; }
.da-band--primary .da-section-head h2 { color: #fff; }
.da-band--primary .da-section-head p { color: #d9dcff; }
.da-service-list { border-top: 2px solid var(--db-primary); }
.da-service { min-height: 146px; display: grid; grid-template-columns: 90px 250px minmax(0, 1fr) auto; align-items: center; gap: 28px; padding: 26px 0; border-bottom: 1px solid var(--db-border); }
.da-service__number { color: var(--db-action); font-size: 17px; font-weight: 900; }
.da-service h3 { margin: 0; color: var(--db-primary); font-size: 26px; }
.da-service p { margin: 0; color: var(--db-muted); font-size: 17px; line-height: 1.65; }
.da-service a { min-height: 46px; display: inline-flex; align-items: center; gap: 8px; color: var(--db-primary); border-bottom: 2px solid var(--db-primary); font-size: 15px; font-weight: 850; }
.da-process { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255,255,255,.3); border-bottom: 1px solid rgba(255,255,255,.3); }
.da-process__item { min-height: 222px; padding: 30px 26px; border-right: 1px solid rgba(255,255,255,.3); }
.da-process__item:last-child { border-right: 0; }
.da-process__item span { color: #ffaaa3; font-size: 15px; font-weight: 900; }
.da-process__item h3 { margin: 28px 0 0; font-size: 23px; }
.da-process__item p { margin: 12px 0 0; color: #d9dcff; font-size: 16px; line-height: 1.65; }
.da-proof { padding: 0; background: var(--da-mint); border-bottom: 1px solid #b9ded5; }
.da-proof__grid { display: grid; grid-template-columns: 1.1fr repeat(3, 1fr); }
.da-proof__intro, .da-proof__item { min-height: 150px; padding: 28px 26px; display: flex; flex-direction: column; justify-content: center; border-right: 1px solid #b9ded5; }
.da-proof__intro { padding-left: 0; }
.da-proof__intro strong { color: var(--da-success); font-size: 18px; }
.da-proof__intro span { margin-top: 8px; color: #3c625a; font-size: 14px; line-height: 1.55; }
.da-proof__item strong { color: var(--db-primary); font-size: 28px; }
.da-proof__item span { margin-top: 8px; color: #3c625a; font-size: 14px; }
.da-proof__item:last-child { border-right: 0; }
.da-faq__layout { display: grid; grid-template-columns: minmax(280px, .72fr) minmax(0, 1.28fr); gap: 72px; align-items: start; }
.da-faq__intro h2 { margin: 0; color: var(--db-primary); font-size: 43px; line-height: 1.25; }
.da-faq__intro > p:last-child { margin: 18px 0 0; color: var(--db-muted); font-size: 18px; line-height: 1.75; }
.da-faq__list { border-top: 2px solid var(--db-primary); }
.da-faq details { border-bottom: 1px solid var(--db-border); }
.da-faq summary { min-height: 72px; position: relative; display: flex; align-items: center; padding: 16px 52px 16px 4px; color: var(--db-primary); cursor: pointer; list-style: none; font-size: 18px; font-weight: 850; line-height: 1.45; }
.da-faq summary::-webkit-details-marker { display: none; }
.da-faq summary::after { content: "+"; position: absolute; right: 12px; width: 28px; height: 28px; display: grid; place-items: center; color: #fff; background: var(--db-primary); font-size: 21px; line-height: 1; }
.da-faq details[open] summary::after { content: "-"; background: var(--db-action); }
.da-faq details p { margin: 0; padding: 0 52px 22px 4px; color: var(--db-muted); font-size: 16px; line-height: 1.7; }
.da-location { display: grid; grid-template-columns: minmax(360px, .9fr) minmax(0, 1.1fr); border: 1px solid var(--db-border); }
.da-location__info { padding: 46px; }
.da-location__info h2 { margin: 0; color: var(--db-primary); font-size: 39px; line-height: 1.25; }
.da-location__info > p { margin: 16px 0 0; color: var(--db-muted); font-size: 17px; line-height: 1.7; }
.da-location__rows { margin-top: 30px; border-top: 1px solid var(--db-border); }
.da-location__row { min-height: 72px; display: grid; grid-template-columns: 120px 1fr; align-items: center; border-bottom: 1px solid var(--db-border); }
.da-location__row span { color: var(--db-muted); font-size: 15px; }
.da-location__row strong { color: var(--db-primary); font-size: 18px; }
.da-location__map { min-height: 480px; padding: 40px; display: grid; place-items: center; color: #fff; background: var(--db-primary); border-left: 1px solid var(--db-border); }
.da-map-pin { max-width: 360px; text-align: center; }
.da-map-pin .da-icon { width: 62px; height: 62px; margin-bottom: 22px; }
.da-map-pin .da-icon > svg { width: 62px; height: 62px; }
.da-map-pin strong { display: block; font-size: 27px; }
.da-map-pin p { margin: 12px 0 0; color: #d9dcff; font-size: 16px; line-height: 1.65; }
.da-form-layout { display: grid; grid-template-columns: minmax(0, .8fr) minmax(460px, 1.2fr); gap: 72px; align-items: start; }
.da-form-copy h2 { margin: 0; color: var(--db-primary); font-size: 43px; line-height: 1.25; }
.da-form-copy p { margin: 18px 0 0; color: var(--db-muted); font-size: 18px; line-height: 1.75; }
.da-form-choice { margin-top: 28px; padding: 18px 20px; color: var(--db-primary); background: var(--db-surface); border-left: 4px solid var(--db-action); font-size: 16px; line-height: 1.6; }
.da-form { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.da-field { min-width: 0; display: grid; gap: 9px; }
.da-field--wide { grid-column: 1 / -1; }
.da-field label { color: var(--db-primary); font-size: 15px; font-weight: 850; }
.da-field input, .da-field select, .da-field textarea { width: 100%; min-height: 52px; padding: 13px 14px; color: var(--db-ink); background: #fff; border: 1px solid #aeb5c3; border-radius: 2px; font-size: 17px; }
.da-field textarea { min-height: 122px; resize: vertical; }
.da-consent { grid-column: 1 / -1; display: flex; align-items: flex-start; gap: 10px; color: var(--db-muted); font-size: 14px; line-height: 1.55; }
.da-consent input { width: 20px; height: 20px; margin: 0; flex: 0 0 auto; }
.da-form .da-btn { grid-column: 1 / -1; width: 100%; }
.da-form-status { grid-column: 1 / -1; min-height: 24px; margin: 0; color: var(--db-muted); font-size: 14px; line-height: 1.5; }
.da-form-status[data-state="success"] { color: var(--da-success); font-weight: 750; }
.da-form-status[data-state="error"] { color: #b5221a; font-weight: 750; }
.da-footer { padding: 42px 0; color: #cfd1ff; background: #0c0d3e; }
.da-footer__grid { display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: end; }
.da-footer__brand { color: #fff; font-size: 22px; font-weight: 900; }
.da-footer__brand small { display: block; margin-top: 8px; color: #9da1dd; font-size: 13px; font-weight: 500; }
.da-footer__meta { text-align: right; font-size: 13px; line-height: 1.7; }
.da-demo-notice { margin: 0; padding: 14px 20px; color: #3f4652; background: #e7eaf0; text-align: center; font-size: 12px; line-height: 1.55; }
.da-mobile-actions { display: none; }
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }
@media (max-width: 980px) {
  .da-nav { display: none; }
  .da-menu-button { display: inline-flex; }
  .da-hero { grid-template-columns: 1fr; }
  .da-hero__copy { padding: 68px 24px 62px; }
  .da-hero__visual { min-height: 470px; }
  .da-symptoms__grid { grid-template-columns: 1fr 1fr; }
  .da-symptoms__title { padding-left: 26px; }
  .da-section-head { grid-template-columns: 1fr; gap: 18px; }
  .da-service { grid-template-columns: 70px 210px 1fr; }
  .da-service a { grid-column: 2 / -1; width: max-content; }
  .da-process { grid-template-columns: 1fr 1fr; }
  .da-proof__grid { grid-template-columns: 1fr 1fr; }
  .da-proof__intro { padding-left: 26px; }
  .da-faq__layout { grid-template-columns: 1fr; gap: 34px; }
  .da-location { grid-template-columns: 1fr; }
  .da-location__map { border-left: 0; border-top: 1px solid var(--db-border); }
  .da-form-layout { grid-template-columns: 1fr; gap: 38px; }
}
@media (max-width: 640px) {
  body { padding-bottom: 64px; }
  .db-container { width: min(100% - 40px, 1180px); }
  .da-header { height: 72px; }
  .da-brand { font-size: 20px; }
  .da-brand__mark { width: 30px; height: 30px; }
  .da-hero__copy { padding: 54px 20px 50px; }
  .da-hero h1 { font-size: 40px; line-height: 1.18; }
  .da-hero__lead { font-size: 18px; }
  .da-actions { flex-direction: column; }
  .da-btn { width: 100%; }
  .da-hero__visual { min-height: 350px; }
  .da-hero__caption { right: 20px; bottom: 20px; left: 20px; width: auto; }
  .da-symptoms__grid { grid-template-columns: 1fr; }
  .da-symptoms__title, .da-choice { min-height: 0; padding: 26px 20px; border-right: 0; border-bottom: 1px solid var(--db-border); }
  .da-band { padding: 68px 0; }
  .da-section-head h2, .da-form-copy h2, .da-faq__intro h2 { font-size: 33px; }
  .da-section-head p, .da-form-copy p { font-size: 18px; }
  .da-service { min-height: 0; grid-template-columns: 48px 1fr; gap: 12px 16px; padding: 24px 0; }
  .da-service p { grid-column: 2; }
  .da-service a { grid-column: 2; }
  .da-process { grid-template-columns: 1fr; }
  .da-process__item { min-height: 0; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.3); }
  .da-proof__grid { grid-template-columns: 1fr; }
  .da-proof__intro, .da-proof__item { min-height: 0; padding: 24px 20px; border-right: 0; border-bottom: 1px solid #b9ded5; }
  .da-faq summary { min-height: 68px; padding-right: 48px; font-size: 17px; }
  .da-faq details p { padding-right: 8px; }
  .da-location__info { padding: 32px 20px; }
  .da-location__info h2 { font-size: 32px; }
  .da-location__row { grid-template-columns: 100px 1fr; }
  .da-location__map { min-height: 340px; padding: 28px 20px; }
  .da-form { grid-template-columns: 1fr; }
  .da-field--wide, .da-consent, .da-form .da-btn, .da-form-status { grid-column: 1; }
  .da-footer__grid { grid-template-columns: 1fr; }
  .da-footer__meta { text-align: left; }
  .da-mobile-actions { position: fixed; right: 0; bottom: 0; left: 0; z-index: 50; height: 64px; display: grid; grid-template-columns: 1fr 1fr; background: #fff; border-top: 1px solid var(--db-border); }
  .da-mobile-actions a { min-width: 0; display: flex; align-items: center; justify-content: center; gap: 8px; color: #fff; background: var(--db-primary); font-size: 15px; font-weight: 850; }
  .da-mobile-actions a:last-child { background: var(--db-action); }
}
