:root {
  color-scheme: light;
  --canvas: #f7f8f6;
  --paper: #ffffff;
  --ink: #182820;
  --muted: #56665d;
  --line: #d7dfd8;
  --green: #195a4a;
  --green-dark: #123b36;
  --green-light: #e5eee7;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--canvas); color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
::selection { background: #a7cdb8; color: #102c26; }
.shell { width: min(100% - 64px, 1240px); margin-inline: auto; }
.skip-link { position: absolute; top: -100px; left: 16px; z-index: 100; padding: 12px 18px; background: var(--green-dark); color: #fff; }
.skip-link:focus { top: 12px; }
:focus-visible { outline: 3px solid #44a883; outline-offset: 4px; }

.site-header { background: var(--canvas); border-bottom: 1px solid var(--line); }
.header-inner { min-height: 86px; display: flex; align-items: center; gap: 38px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; white-space: nowrap; }
.brand-mark { width: 34px; height: 34px; display: inline-grid; place-items: center; border: 1px solid var(--green-dark); border-radius: 5px; color: var(--green-dark); font-size: 13px; font-weight: 800; letter-spacing: -.08em; }
.brand-name { font-size: 13px; font-weight: 800; letter-spacing: .11em; }
.header-nav { display: flex; align-items: center; justify-content: center; gap: clamp(18px, 3.1vw, 45px); margin-left: auto; }
.header-nav a, .language-link { text-decoration: none; font-size: 14px; font-weight: 650; color: #38483f; transition: color .2s ease; }
.header-nav a:hover, .language-link:hover { color: var(--green); }
.language-link { padding: 9px 0 9px 18px; border-left: 1px solid var(--line); white-space: nowrap; }
.language-link span { font-size: 16px; }

.hero { background: linear-gradient(135deg, #e8f0ea 0%, #eef4ee 52%, #e4ede6 100%); overflow: hidden; }
.hero-inner { min-height: 650px; display: grid; grid-template-columns: minmax(0, 1.75fr) minmax(255px, .65fr); align-items: stretch; }
.hero-copy { padding: 104px 48px 98px 0; }
.eyebrow, .section-number, .aside-label, .project-type { font-size: 11px; font-weight: 800; letter-spacing: .16em; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 34px; color: var(--green); }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: #438f69; box-shadow: 0 0 0 4px #d0e3d3; }
.hero h1 { max-width: 860px; margin: 0; font-size: clamp(3.15rem, 5vw, 5.25rem); font-weight: 750; line-height: 1.19; letter-spacing: -.067em; word-break: keep-all; }
.hero h1 span { color: var(--green); }
.hero-description { max-width: 650px; margin: 35px 0 0; color: #40584b; font-size: 17px; line-height: 1.85; word-break: keep-all; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 26px; margin-top: 42px; }
.primary-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 25px; min-width: 206px; padding: 15px 18px; background: var(--green-dark); border: 1px solid var(--green-dark); color: #fff; text-decoration: none; font-size: 14px; font-weight: 700; transition: background .2s ease, transform .2s ease; }
.primary-link:hover { background: var(--green); transform: translateY(-2px); }
.primary-link span, .text-link span { font-size: 19px; font-weight: 400; }
.text-link { display: inline-flex; align-items: center; gap: 10px; text-decoration-thickness: 1px; text-underline-offset: 5px; font-size: 14px; font-weight: 700; }
.text-link:hover { color: var(--green); }
.hero-aside { display: flex; flex-direction: column; justify-content: flex-end; border-left: 1px solid #cad9cd; padding: 120px 0 101px 48px; }
.aside-label { margin: 0 0 24px; color: var(--green); }
.aside-item { display: flex; flex-direction: column; gap: 9px; padding: 20px 0 26px; border-top: 1px solid #cad9cd; }
.aside-item strong { color: var(--green-dark); font-size: clamp(37px, 4vw, 60px); line-height: 1; font-weight: 650; letter-spacing: -.08em; }
.aside-item strong span { font-weight: 350; }
.aside-item > span { font-size: 13px; color: #53685b; }
.aside-bottom { margin-top: 18px; color: #658073; font-size: 10px; font-weight: 800; letter-spacing: .08em; white-space: nowrap; }
.aside-bottom span { margin: 0 3px; }

.section { border-top: 1px solid var(--line); scroll-margin-top: 18px; }
.section-grid { display: grid; grid-template-columns: minmax(170px, 24%) minmax(0, 1fr); }
.section-rail { padding-top: 91px; }
.section-number { color: var(--green); }
.section-main { min-width: 0; padding: 85px 0 106px; }
.statement { margin: 0; font-size: clamp(30px, 3.3vw, 49px); line-height: 1.4; letter-spacing: -.058em; font-weight: 660; word-break: keep-all; }
.statement span { color: var(--green); }
.intro-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 38px; max-width: 790px; margin-top: 38px; }
.intro-columns p { margin: 0; font-size: 15px; line-height: 1.95; color: var(--muted); word-break: keep-all; }
.work-section { background: var(--paper); }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 45px; }
.section-heading h2 { margin: 0; font-size: clamp(33px, 3.5vw, 50px); font-weight: 710; letter-spacing: -.06em; line-height: 1.2; }
.section-heading p { max-width: 290px; margin: 0 0 4px; color: var(--muted); font-size: 14px; line-height: 1.65; text-align: right; word-break: keep-all; }
.project { display: grid; grid-template-columns: minmax(122px, 18%) minmax(0, 1fr); gap: 24px; padding: 40px 0 47px; border-top: 1px solid var(--line); }
.project:last-child { border-bottom: 1px solid var(--line); }
.project-meta { display: flex; flex-direction: column; justify-content: space-between; align-items: start; color: #6b7a70; font-size: 12px; font-weight: 600; }
.project-index { color: var(--green); font-size: 15px; font-weight: 750; }
.project-type { margin: 1px 0 14px; color: var(--green); line-height: 1.6; }
.project h3 { margin: 0; font-size: clamp(24px, 2.55vw, 36px); font-weight: 700; line-height: 1.35; letter-spacing: -.045em; word-break: keep-all; }
.project-summary { max-width: 760px; margin: 19px 0 21px; color: var(--muted); font-size: 15px; line-height: 1.9; word-break: keep-all; }
.project-tags { display: flex; flex-wrap: wrap; gap: 8px 20px; margin: 0; padding: 0; list-style: none; }
.project-tags li { color: #64766c; font-size: 12px; font-weight: 650; }
.project-tags li + li::before { content: "·"; display: inline-block; margin-right: 20px; color: #87a194; }
.expertise-list { border-top: 1px solid var(--line); }
.expertise-item { display: grid; grid-template-columns: 90px minmax(0, 1fr); gap: 20px; padding: 28px 0 30px; border-bottom: 1px solid var(--line); }
.expertise-index { color: var(--green); font-size: 13px; font-weight: 750; }
.expertise-item h3, .career-row h3 { margin: 0 0 9px; font-size: 21px; line-height: 1.4; letter-spacing: -.035em; }
.expertise-item p, .career-row p { max-width: 660px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.career-section { background: var(--paper); }
.career-row { display: grid; grid-template-columns: minmax(170px, 27%) minmax(0, 1fr); gap: 24px; padding: 29px 0 33px; border-top: 1px solid var(--line); }
.career-row:last-child { border-bottom: 1px solid var(--line); }
.career-time { padding-top: 5px; color: var(--green); font-size: 13px; font-weight: 700; }
.contact-section { background: var(--green-dark); color: #f7faf5; scroll-margin-top: 0; }
.contact-inner { padding-top: 95px; padding-bottom: 104px; }
.contact-section .section-number { color: #a4cbb4; }
.contact-inner h2 { margin: 49px 0 40px; font-size: clamp(44px, 5.6vw, 78px); line-height: 1.23; font-weight: 650; letter-spacing: -.065em; word-break: keep-all; }
.contact-link { display: inline-flex; gap: 20px; align-items: center; padding-bottom: 8px; border-bottom: 1px solid #aac7b6; color: #d9f1df; font-size: clamp(20px, 2.7vw, 33px); font-weight: 550; text-decoration: none; letter-spacing: -.03em; transition: color .2s ease; }
.contact-link:hover { color: #fff; }
.contact-link span { font-size: .85em; }
.site-footer { background: #0f302b; color: #b5c9bb; }
.footer-inner { min-height: 80px; display: flex; align-items: center; gap: 24px; font-size: 11px; font-weight: 650; letter-spacing: .05em; }
.footer-inner span:nth-child(2) { margin-left: auto; }
.footer-inner a { margin-left: 45px; text-decoration: none; }
.footer-inner a:hover { color: #fff; }

@media (max-width: 960px) {
  .shell { width: min(100% - 48px, 1240px); }
  .hero-inner { grid-template-columns: minmax(0, 1fr); min-height: auto; }
  .hero-copy { padding: 85px 0 70px; }
  .hero h1 { font-size: clamp(3.1rem, 7.3vw, 5.25rem); }
  .hero-aside { display: grid; grid-template-columns: 120px 1fr 1fr; align-items: center; gap: 20px; border-left: 0; border-top: 1px solid #cad9cd; padding: 18px 0 24px; }
  .aside-label { margin: 0; }
  .aside-item { padding: 0; border: 0; }
  .aside-item strong { font-size: 34px; }
  .aside-bottom { display: none; }
  .section-grid { grid-template-columns: minmax(130px, 21%) minmax(0, 1fr); }
  .section-rail { padding-top: 74px; }
  .section-main { padding: 69px 0 83px; }
}

@media (max-width: 700px) {
  .shell { width: min(100% - 36px, 1240px); }
  .header-inner { display: grid; grid-template-columns: 1fr auto; column-gap: 15px; row-gap: 0; min-height: 0; padding-top: 15px; }
  .brand { align-self: start; }
  .language-link { justify-self: end; align-self: center; }
  .header-nav { grid-column: 1 / -1; grid-row: 2; justify-content: space-between; gap: 20px; width: 100%; margin: 15px 0 0; padding: 14px 0; border-top: 1px solid var(--line); overflow-x: auto; }
  .header-nav a { white-space: nowrap; font-size: 13px; }
  .hero-copy { padding: 75px 0 65px; }
  .eyebrow { margin-bottom: 26px; font-size: 10px; letter-spacing: .12em; }
  .hero h1 { font-size: clamp(2.6rem, 8.8vw, 4.1rem); line-height: 1.23; }
  .hero-description { margin-top: 30px; font-size: 15px; line-height: 1.85; }
  .hero-actions { gap: 20px; margin-top: 33px; }
  .hero-aside { grid-template-columns: 1fr 1fr; gap: 8px 24px; padding: 20px 0 25px; }
  .aside-label { grid-column: 1 / -1; }
  .aside-item strong { font-size: 36px; }
  .aside-item > span { font-size: 12px; line-height: 1.5; }
  .section-grid { grid-template-columns: minmax(0, 1fr); }
  .section-rail { padding-top: 60px; }
  .section-main { padding: 29px 0 68px; }
  .statement { font-size: clamp(30px, 6vw, 42px); }
  .intro-columns { grid-template-columns: 1fr; gap: 16px; margin-top: 25px; }
  .section-heading { display: block; margin-bottom: 28px; }
  .section-heading p { max-width: none; margin-top: 12px; text-align: left; }
  .project { grid-template-columns: 1fr; gap: 20px; padding: 30px 0 35px; }
  .project-meta { flex-direction: row; align-items: center; }
  .project h3 { font-size: 27px; }
  .project-summary { margin: 16px 0 18px; font-size: 14px; }
  .expertise-item { grid-template-columns: 38px 1fr; gap: 12px; }
  .career-row { grid-template-columns: 1fr; gap: 9px; }
  .contact-inner { padding-top: 70px; padding-bottom: 76px; }
  .contact-inner h2 { margin: 40px 0 35px; font-size: clamp(42px, 8.5vw, 60px); }
  .footer-inner { min-height: 105px; flex-wrap: wrap; align-content: center; justify-content: space-between; gap: 10px; }
  .footer-inner span:nth-child(2) { display: none; }
  .footer-inner a { margin-left: 0; }
}

@media (max-width: 390px) {
  .shell { width: min(100% - 30px, 1240px); }
  .brand-name { font-size: 11px; }
  .header-nav { gap: 16px; }
  .header-nav a { font-size: 12px; }
  .hero h1 { font-size: 39px; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .project-tags { column-gap: 10px; }
  .project-tags li + li::before { margin-right: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}