/* Pretendard 1.3.9, locally served. License: assets/fonts/OFL.txt. */
@font-face {
  font-family: 'Pretendard';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('assets/fonts/pretendard-variable.woff2') format('woff2');
}

:root {
  font-family: 'Pretendard', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  --muted: #5d6c7b;
  --paper: #f6f7f8;
}
body { font-size: 15px; font-weight: 400; line-height: 1.85; }
.logo { font-size: 27px; font-weight: 600; letter-spacing: -.045em; }
.logo span { font-size: 8px; font-weight: 400; letter-spacing: .15em; }
nav { font-size: 14px; font-weight: 400; gap: 30px; }
.nav-cta { color: #e5ebf0; border-bottom-color: #637588; }
nav > a:hover { color: #f2f5f8; }

.hero-content { max-width: 760px; }
.hero .eyebrow { font-size: 11px; font-weight: 450; letter-spacing: .16em; margin-bottom: 26px; color: #b8c5d3; }
.hero h1 {
  font-size: 60px;
  font-weight: 380;
  line-height: 1.28;
  letter-spacing: -.035em;
  color: #edf1f5;
  margin-bottom: 27px;
}
.hero h1 span, .hero h1 em { color: #b8c4d2; font-weight: inherit; }
.hero h1 .hero-context { display: block; font-size: .45em; line-height: 1.7; letter-spacing: -.015em; color: #e2e8ee; margin-bottom: .4em; }
.intro { font-size: 15px; font-weight: 400; line-height: 1.9; color: #c2ccd7; max-width: 580px; margin-bottom: 31px; }
.hero-actions { gap: 28px; }
.button { min-height: 49px; padding: 14px 22px; gap: 30px; font-size: 13px; font-weight: 500; color: #172437; background: #e2e8ed; border-color: #cdd7e0; }
.button:hover { background: #f3f6f8; }
.button > span { font-size: 17px; }
.quiet-link { font-size: 13px; font-weight: 400; color: #c1ccd7; border-bottom-color: #637488; }
.hero-bottom { font-size: 10px; font-weight: 400; letter-spacing: .08em; color: #bac6d1; }
.art-coordinate { font-size: 9px; letter-spacing: .12em; color: #acbccb; }
.art-tag { font-size: 10px; font-weight: 400; line-height: 1.8; color: #d3dce5; }
.principles-strip > span { font-size: 13px; font-weight: 400; line-height: 1.8; }
.principles-strip b { font-size: 11px; color: #adbdca; }

.eyebrow { font-size: 11px; font-weight: 500; letter-spacing: .12em; }
h2 { font-size: 42px; font-weight: 430; line-height: 1.4; letter-spacing: -.035em; }
.section-heading > p { font-size: 14px; font-weight: 400; line-height: 1.95; color: #5d6c7b; max-width: 365px; }
summary { font-size: 20px; font-weight: 450; letter-spacing: -.025em; }
.questions details > p { font-size: 14px; line-height: 1.95; color: #5d6c7b; }
.tabs button { font-size: 14px; font-weight: 400; }
.tabs [aria-selected=true] { font-weight: 550; }
.has-reference .mini-nav { font-size: 15px; font-weight: 550; }
.has-reference .mini-nav span { font-size: 9px; }
.has-reference .concept-preview-caption h3 { font-size: 25px; font-weight: 430; letter-spacing: -.03em; }
.has-reference .concept-preview-caption p { font-size: 14px; color: #5e6b77; }
.has-reference .concept-preview-caption .mini-link { font-size: 12px; color: #45566a; border-bottom-color: #8797a6; }
.concept-info .eyebrow { font-size: 11px; }
.concept-info h3 { font-size: 29px; font-weight: 430; line-height: 1.45; letter-spacing: -.03em; }
.concept-info > p { font-size: 14px; line-height: 1.95; }
.concept-info dt { font-size: 11px; font-weight: 500; }
.concept-info dd { font-size: 13px; line-height: 1.9; color: #5d6c7b; }
.concept-disclaimer { font-size: 11px; line-height: 1.95; color: #647281; }
.service h3 { font-size: 22px; font-weight: 450; letter-spacing: -.025em; }
.service p { font-size: 14px; line-height: 1.9; }
.service small { font-size: 12px; color: #637180; }
.service > a { font-size: 12px; }
.visibility-item > span { font-size: 11px; }
.visibility-item h3 { font-size: 23px; font-weight: 450; letter-spacing: -.025em; }
.visibility-item p { font-size: 14px; color: #5d6c7b; }
.visibility-note { font-size: 12px; color: #647281; }
.approach .section-heading > p { color: #bac6d3; }
.steps li > span { font-size: 11px; color: #aebdcc; }
.steps h3 { font-size: 23px; font-weight: 400; letter-spacing: -.025em; }
.steps p, .process-note { font-size: 13px; line-height: 1.9; color: #b8c5d3; }
.contact-context > p { font-size: 14px; line-height: 1.95; }
.contact-context > .contact-small { font-size: 12px; color: #637180; }
.contact-domain { font-size: 21px; font-weight: 400; }
label { font-size: 13px; font-weight: 450; }
input, textarea { font-size: 15px; font-weight: 400; }
input::placeholder, textarea::placeholder { font-size: 13px; color: #778592; }
.consent { font-size: 12px; font-weight: 400; }
.form-note, .privacy p, #form-status { font-size: 12px; }
.contact form .button { font-size: 13px; min-height: 49px; }
.privacy summary { font-size: 13px; }
.footer-main .logo { font-size: 26px; font-weight: 600; }
.footer-copy { font-size: 13px; font-weight: 400; }
.footer-copy strong { font-weight: 450; }
.footer-nav { font-size: 12px; }
.footer-bottom { font-size: 11px; }

@media (min-width: 1600px) {
  .hero h1 { font-size: 68px; }
  .hero-content { max-width: 820px; }
  .intro { font-size: 16px; max-width: 620px; }
}
@media (max-width: 1100px) {
  nav { font-size: 13px; gap: 25px; }
  .hero h1 { font-size: 56px; }
  .intro { font-size: 15px; max-width: 520px; }
  h2 { font-size: 37px; }
  .section-heading { gap: 35px; }
  .section-heading > p { font-size: 13px; max-width: 300px; }
  .concept-info { padding: 32px 28px; }
  .concept-info h3 { font-size: 26px; }
  .service h3 { font-size: 20px; }
  .service p { font-size: 13px; }
  .service small { font-size: 11px; }
  .contact-layout { grid-template-columns: .85fr 1.15fr; gap: 45px; }
  .contact-context > p { font-size: 13px; }
  .footer-nav { font-size: 11px; gap: 17px; }
}
@media (max-width: 900px) {
  .hero h1 { font-size: 48px; }
  .intro { font-size: 14px; max-width: 475px; }
  .quiet-link { font-size: 12px; }
  h2 { font-size: 33px; }
  .section-heading > p { max-width: 270px; }
  .concept-info > p, .has-reference .concept-preview-caption p { font-size: 13px; }
  .service h3 { font-size: 19px; }
  .service p { font-size: 13px; }
  .steps h3 { font-size: 21px; }
  .steps p { font-size: 12px; }
  .principles-strip > span { font-size: 11px; }
  .contact-layout { gap: 30px; }
  .contact-context > p { font-size: 12px; }
  .footer-copy { font-size: 12px; }
}
@media (max-width: 760px) {
  .logo { font-size: 25px; }
  .logo span { font-size: 7px; }
  .menu { font-size: 12px; font-weight: 400; }
  nav > a { font-size: 14px; }
  .hero { min-height: 700px; padding-top: 53px; }
  .hero-content { max-width: 100%; }
  .hero .eyebrow { font-size: 9px; letter-spacing: .12em; margin-bottom: 25px; }
  .hero h1 { font-size: 36px; font-weight: 380; line-height: 1.3; letter-spacing: -.035em; margin-bottom: 25px; }
  .intro { font-size: 14px; line-height: 1.95; max-width: 440px; margin-bottom: 28px; }
  .hero-actions { gap: 22px; flex-wrap: wrap; }
  .button { font-size: 12px; min-height: 47px; padding: 13px 19px; gap: 27px; }
  .quiet-link { font-size: 12px; }
  .hero-bottom { font-size: 9px; }
  .art-tag { font-size: 9px; line-height: 1.8; }
  .principles-strip > span { font-size: 10px; gap: 8px; }
  .principles-strip b { font-size: 9px; }
  h2 { font-size: 31px; line-height: 1.4; }
  .section-heading > p { font-size: 13px; max-width: 100%; }
  summary { font-size: 17px; line-height: 1.65; }
  .questions details > p { font-size: 13px; padding-inline: 0 12px; }
  .tabs button { font-size: 13px; }
  .concept-info h3 { font-size: 27px; }
  .concept-info > p, .concept-info dd { font-size: 13px; }
  .has-reference .concept-preview-caption h3 { font-size: 23px; }
  .has-reference .concept-preview-caption p { font-size: 13px; }
  .concept-disclaimer { font-size: 11px; }
  .service h3 { font-size: 19px; }
  .service p { font-size: 13px; }
  .service small { font-size: 11px; }
  .visibility-item h3 { font-size: 22px; }
  .visibility-item p { font-size: 13px; }
  .visibility-note { font-size: 11px; }
  .steps h3 { font-size: 21px; }
  .steps p { font-size: 12px; }
  .process-note { font-size: 12px; }
  .contact-layout { grid-template-columns: 1fr; }
  .contact-context > p { font-size: 14px; }
  .contact-context > .contact-small { font-size: 12px; }
  label { font-size: 12px; }
  input, textarea { font-size: 16px; }
  input::placeholder, textarea::placeholder { font-size: 12px; }
  .consent, .form-note, .privacy p, #form-status { font-size: 11px; }
  .footer-nav { font-size: 12px; }
  .footer-copy { font-size: 12px; }
  .footer-bottom { font-size: 10px; }
  .footer-bottom > span:nth-child(2) { font-size: 8px; }
}
@media (max-width: 380px) {
  .hero h1 { font-size: 31px; }
  .hero .eyebrow { font-size: 8px; }
  .intro { font-size: 13px; }
  .hero-actions { gap: 14px; }
  .hero-actions .button { font-size: 11px; gap: 19px; padding-inline: 16px; }
  .quiet-link { font-size: 11px; }
  h2 { font-size: 28px; }
  .principles-strip > span { font-size: 9px; }
  .service h3 { font-size: 17px; }
  .footer-bottom > span:nth-child(2) { font-size: 7px; }
}

/* A shared brief makes the two design approaches directly comparable. */
#work .study-brief {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: 24px;
  margin: 0 0 28px;
  padding: 22px 24px;
  border: 1px solid #ccd6de;
  background: #f4f6f7;
}
#work .study-brief > div { min-width: 0; }
#work .study-brief > div + div { padding-left: 24px; border-left: 1px solid #d4dde4; }
#work .study-brief dt { margin: 0 0 7px; font-size: 11px; font-weight: 500; line-height: 1.7; color: #62778b; }
#work .study-brief dd { margin: 0; font-size: 14px; font-weight: 400; line-height: 1.9; color: #344b60; }
#work .concept-caption-label { display: block; margin-bottom: 8px; font-size: 11px; font-weight: 450; line-height: 1.8; letter-spacing: .025em; color: #687b8c; }
#work .concept-preview-caption h3 { max-width: 100%; font-size: 24px; line-height: 1.5; letter-spacing: -.025em; word-break: keep-all; overflow-wrap: break-word; text-wrap: balance; }
#work .concept-info dl { display: block; margin: 23px 0 0; padding: 0; }
#work .concept-info dt, #work .concept-info dd { grid-column: auto; grid-row: auto; }
#work .concept-info dt { margin: 21px 0 6px; font-size: 11px; font-weight: 500; line-height: 1.8; color: #52697d; }
#work .concept-info dt:first-child { margin-top: 0; }
#work .concept-info dd { margin: 0; font-size: 13px; line-height: 1.95; color: #5d6c7b; }
@media (max-width: 760px) {
  #work .study-brief { grid-template-columns: minmax(0, 1fr); gap: 16px; margin-bottom: 23px; padding: 19px; }
  #work .study-brief > div + div { padding: 16px 0 0; border-left: 0; border-top: 1px solid #d4dde4; }
  #work .study-brief dd { font-size: 13px; }
  #work .concept-preview-caption h3 { font-size: 22px; }
  #work .concept-info dl { margin-top: 21px; }
  #work .tabs { gap: 18px; }
}
@media (max-width: 380px) {
  #work .study-brief { padding: 17px; }
  #work .concept-preview-caption h3 { font-size: 21px; }
}
#work .study-takeaway { margin: 18px 0 0; font-size: 14px; font-weight: 400; line-height: 1.9; color: #40586d; }

/* Visible company answers keep the introduction readable without interaction. */
#company-faq { padding-block: 88px; }
#company-faq .section-heading { margin-bottom: 30px; }
#company-faq .company-definition { max-width: 980px; margin: 0 0 31px; font-size: 16px; font-weight: 400; line-height: 1.95; letter-spacing: -.015em; color: #344b60; }
#company-faq .company-definition strong { font-weight: 550; color: #263e54; }
#company-faq .company-faq-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 48px; margin: 0; padding: 0; }
#company-faq .company-faq-list > div { min-width: 0; padding: 25px 0 27px; border-top: 1px solid #cdd7df; }
#company-faq .company-faq-list dt { margin: 0; font-size: 17px; font-weight: 450; line-height: 1.7; letter-spacing: -.02em; color: #263c51; }
#company-faq .company-faq-list dd { margin: 11px 0 0; font-size: 14px; font-weight: 400; line-height: 1.95; color: #5d6c7b; }
@media (max-width: 1100px) {
  #company-faq { padding-block: 75px; }
  #company-faq .company-faq-list { column-gap: 32px; }
  #company-faq .company-faq-list dt { font-size: 16px; }
}
@media (max-width: 760px) {
  #company-faq { padding-block: 64px; }
  #company-faq .section-heading { margin-bottom: 25px; }
  #company-faq .company-definition { margin-bottom: 26px; font-size: 14px; line-height: 1.95; }
  #company-faq .company-faq-list { grid-template-columns: minmax(0, 1fr); }
  #company-faq .company-faq-list > div { padding: 20px 0 22px; }
  #company-faq .company-faq-list dt { font-size: 16px; line-height: 1.75; }
  #company-faq .company-faq-list dd { margin-top: 9px; font-size: 13px; line-height: 1.95; }
}
