:root {
  --paper: #f4efe4;
  --ink: #212d24;
  --forest: #20392b;
  --muted: #505d50;
  --clay: #a4442a;
  --rule: #c9c8b8;
  --sans: 'Noto Sans KR', 'Malgun Gothic', sans-serif;
  --serif: 'Noto Serif KR', Batang, Georgia, serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 20px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); word-break: keep-all; overflow-wrap: anywhere; }
h1, h2, h3, p, figure, blockquote { margin: 0; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-underline-offset: .25em; }
a:focus-visible, button:focus-visible { outline: 3px solid #b06b42; outline-offset: 4px; }
.wrap { width: min(1312px, calc(100% - 112px)); margin-inline: auto; }
.skip-link { position: fixed; top: -100px; left: 12px; z-index: 4; background: white; padding: 12px; }
.skip-link:focus { top: 12px; }
.landing-header .wrap { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--rule); }
.s-logo { width: 152px; flex: 0 0 auto; }
.s-logo img { mix-blend-mode: multiply; }
.landing-header nav { display: flex; align-items: center; gap: 26px; font-size: 13px; font-weight: 600; }
.landing-header nav a { text-decoration: none; white-space: nowrap; }
.landing-header nav a:hover { text-decoration: underline; }
.nav-inquiry { padding: 9px 0 9px 15px; border-left: 1px solid var(--rule); }
.hero-grid { display: grid; grid-template-columns: minmax(0, .91fr) minmax(0, 1.09fr); gap: clamp(36px, 5vw, 75px); align-items: center; padding-block: 48px 58px; }
.hero-copy { padding-block: 22px; }
.eyebrow { font-size: 13px; font-weight: 700; color: var(--clay); }
h1, h2, blockquote { font-family: var(--serif); letter-spacing: -.066em; }
h1 { margin-top: 19px; font-size: clamp(46px, 5vw, 76px); font-weight: 700; line-height: 1.21; }
h1 em { font-style: normal; color: var(--forest); }
.hero-description { max-width: 430px; margin-top: 23px; color: var(--muted); font-size: 17px; line-height: 1.85; }
.hero-description strong { color: var(--ink); }
.actions { display: flex; align-items: center; flex-wrap: wrap; gap: 14px 19px; }
.hero .actions { margin-top: 28px; }
.story-jump { display: inline-block; margin-top: 23px; font-size: 13px; color: var(--muted); }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 19px; min-height: 50px; padding: 12px 16px; text-decoration: none; font-size: 14px; font-weight: 700; }
.button:hover { text-decoration: underline; }
.button-dark { background: var(--forest); color: #fffaf0; }
.button-light { background: var(--paper); color: var(--forest); }
.text-link { font-size: 14px; font-weight: 700; }
.hero-visual { align-self: stretch; min-height: clamp(440px, 44vw, 640px); position: relative; background: #293b2e; }
.hero-visual img { width: 100%; height: 100%; position: absolute; inset: 0; object-fit: cover; object-position: 55% center; }
.brand-section { background: #fcf9f1; border-top: 1px solid var(--rule); }
.brand-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .9fr); gap: clamp(34px, 8vw, 125px); padding-block: 79px; }
h2 { font-size: clamp(32px, 4.3vw, 60px); font-weight: 700; line-height: 1.32; }
.section-heading h2 { margin-top: 12px; }
.section-heading > p:last-child, .contact-copy > p { margin-top: 18px; max-width: 430px; color: var(--muted); line-height: 1.8; font-size: 16px; }
.examples article { padding: 15px 0 20px; border-top: 1px solid var(--rule); }
.examples article:last-child { border-bottom: 1px solid var(--rule); }
.examples span { color: var(--clay); font-weight: 700; font-size: 12px; }
.examples h3 { font-size: 19px; margin-block: 5px 7px; }
.examples p { color: var(--muted); font-size: 15px; line-height: 1.7; }
.origin-section, .mentoring-section { background: #fcf9f1; border-top: 1px solid var(--rule); }
.origin-section .wrap, .mentoring-section .wrap, .work-grid, .philosophy-grid {
  padding-block: clamp(60px, 7vw, 104px);
}
.story-heading, .work-grid, .philosophy-grid, .mentoring-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  align-items: start;
  gap: clamp(32px, 6vw, 96px);
}
.story-heading { align-items: end; }
.story-heading > p:last-child { margin-block: 0 5px; }
.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  list-style: none;
  gap: 28px;
  padding: 0;
  margin: 52px 0 0;
}
.timeline li { border-top: 1px solid var(--rule); padding-top: 15px; }
.timeline-year { color: var(--clay); font-size: 15px; font-weight: 700; font-variant-numeric: tabular-nums; }
.timeline h3, .book-note h3 { margin-block: 9px 8px; font-size: 18px; line-height: 1.5; }
.timeline h3 + p, .book-note p { color: var(--muted); font-size: 15px; line-height: 1.75; }
.work-section { border-top: 1px solid var(--rule); }
.work-visual { margin-top: 28px; }
.work-visual img { width: 100%; }
.work-visual figcaption, .proof figcaption { margin-top: 10px; color: var(--muted); font-size: 12px; line-height: 1.6; }
.work-examples { align-self: center; }
.philosophy-section { background: #e7ebdf; }
.philosophy-grid { align-items: center; }
.letter { border-left: 1px solid #a3af9f; padding-left: clamp(19px, 3vw, 45px); }
.letter blockquote { font-size: clamp(22px, 2.65vw, 37px); font-weight: 600; line-height: 1.55; }
.letter figcaption { margin-top: 17px; color: var(--muted); font-size: 13px; }
.mentoring-grid { margin-top: 39px; align-items: center; }
.proof { background: #e7ebdf; padding: clamp(23px, 4vw, 48px); }
.proof blockquote { font-size: clamp(22px, 2.9vw, 40px); font-weight: 600; line-height: 1.5; }
.book-note h3 { margin-top: 0; }
.book-note .text-link { display: inline-block; margin-top: 15px; }
.contact-section { background: var(--forest); color: var(--paper); }
.contact-grid { display: grid; grid-template-columns: 1fr auto; gap: 27px; align-items: end; padding-block: 70px 40px; }
.contact-copy > p { color: #e4e9dc; }
.contact-grid .actions { padding-bottom: 5px; }
.contact-process { padding-bottom: 66px; }
.contact-process h3 { margin-bottom: 14px; font-size: 16px; }
.contact-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: decimal-leading-zero inside;
}
.contact-steps li { border-top: 1px solid #809487; padding-top: 13px; }
.contact-steps li::marker { color: #f1be9a; font-size: 13px; font-weight: 700; }
.contact-steps h4 { display: inline; margin: 0 0 0 5px; font-size: 15px; }
.contact-steps p { margin-top: 7px; color: #e4e9dc; font-size: 14px; line-height: 1.65; }
.landing-footer { display: flex; justify-content: space-between; gap: 12px; padding-block: 23px; font-size: 12px; color: var(--muted); }
.s-reading-progress { position: fixed; inset: 0 0 auto; z-index: 2; height: 3px; transform: scaleX(0); transform-origin: left; pointer-events: none; background: #af623e; }
.s-back-to-top { position: fixed; right: 17px; bottom: 17px; z-index: 2; width: 43px; height: 43px; border: 1px solid var(--rule); border-radius: 50%; background: var(--paper); color: var(--forest); cursor: pointer; font-size: 20px; }
@media (max-width: 950px) {
  .wrap { width: calc(100% - 64px); }
  .hero-grid { gap: 28px; }
  h1 { font-size: clamp(37px, 5.4vw, 51px); }
  .hero-visual { min-height: 410px; }
  .timeline, .contact-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 680px) {
  .wrap { width: calc(100% - 40px); }
  .landing-header .wrap { min-height: 62px; gap: 8px; }
  .s-logo { width: 102px; }
  .landing-header nav { gap: 12px; font-size: 12px; }
  .nav-inquiry { padding-left: 9px; }
  .hero-grid, .brand-grid, .contact-grid, .story-heading, .work-grid,
  .philosophy-grid, .mentoring-grid { grid-template-columns: minmax(0, 1fr); }
  .hero-grid { padding-block: 26px 35px; gap: 25px; }
  .hero-copy { padding-block: 12px 0; }
  h1 { margin-top: 12px; font-size: clamp(42px, 10vw, 62px); }
  .hero-description { font-size: 15px; line-height: 1.75; margin-top: 15px; }
  .hero .actions { margin-top: 20px; }
  .story-jump { margin-top: 15px; }
  .hero-visual { min-height: 0; aspect-ratio: 1.35; }
  .brand-grid { padding-block: 49px; }
  .contact-grid { padding-block: 49px 33px; }
  .contact-process { padding-bottom: 49px; }
  .story-heading { gap: 17px; }
  .timeline { margin-top: 32px; gap: 18px; }
  .timeline h3 { font-size: 16px; }
  .timeline h3 + p { font-size: 14px; }
  .mentoring-grid { margin-top: 28px; gap: 23px; }
}
@media (max-width: 350px) {
  .wrap { width: calc(100% - 30px); }
  .landing-header nav { gap: 9px; font-size: 11px; }
  .s-logo { width: 84px; }
  .button { padding-inline: 12px; gap: 8px; }
  .actions { gap: 12px; }
  .contact-steps { grid-template-columns: minmax(0, 1fr); gap: 13px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }