@font-face { font-family: Pretendard; src: url('./assets/fonts/Pretendard-Regular.otf') format('opentype'); font-weight: 400; font-display: swap; }
@font-face { font-family: Pretendard; src: url('./assets/fonts/Pretendard-Bold.otf') format('opentype'); font-weight: 700; font-display: swap; }
:root { --paper: #fff; --ink: #191b1e; --muted: #60656b; --line: #d9dce0; --surface: #f5f6f7; --gutter: clamp(24px, 4.5vw, 64px); }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 35px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Pretendard, Arial, sans-serif; -webkit-font-smoothing: antialiased; }
::selection { background: #e0e5eb; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; background: none; border: 0; cursor: pointer; }
button, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--ink); outline-offset: 6px; }
img { display: block; max-width: 100%; height: auto; }
figure { margin: 0; }
p { margin: 0 0 1.15em; line-height: 1.85; word-break: keep-all; overflow-wrap: break-word; }
h1, h2, h3 { margin: 0; line-height: 1.35; letter-spacing: -.035em; word-break: keep-all; overflow-wrap: break-word; }
.wrap { width: min(1360px, 100%); margin-inline: auto; padding-inline: var(--gutter); }
.muted, .scope { color: var(--muted); }
.eyebrow { font-size: 13px; color: var(--muted); }
.text-link { display: inline-flex; align-items: center; gap: 20px; font-size: 14px; padding-bottom: 6px; border-bottom: 1px solid var(--ink); }
.text-link:hover { color: var(--muted); }
.skip-link { position: fixed; top: 0; left: 20px; padding: 12px 18px; color: #fff; background: var(--ink); z-index: 100; transform: translateY(-120%); }
.skip-link:focus { transform: translateY(0); }
.site-header { width: calc(min(1360px, 100%) - 2 * var(--gutter)); height: 84px; margin-inline: auto; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--line); position: relative; z-index: 20; }
.wordmark { font-weight: 700; font-size: 20px; letter-spacing: -.035em; }
.site-nav { display: flex; gap: 32px; align-items: center; font-size: 14px; }
.site-nav a { padding-block: 10px; }
.site-nav a[aria-current=page], .site-nav a:hover { text-decoration: underline; text-underline-offset: 7px; }
.menu-toggle { display: none; }
.hero { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 10%; align-items: center; padding-block: 88px 78px; }
.hero-role { font-size: 17px; margin-bottom: 16px; }
.hero-name { font-size: clamp(72px, 8.4vw, 112px); line-height: 1.08; letter-spacing: -.065em; font-weight: 700; }
.hero-name-en { display: block; font-size: 19px; font-weight: 400; letter-spacing: .015em; margin-top: 19px; }
.hero-intro { max-width: 570px; margin-top: 32px; margin-bottom: 25px; font-size: 17px; }
.hero-portrait { width: 244px; justify-self: center; }
.hero-portrait img { width: 100%; }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 37px 28px; border-top: 1px solid var(--line); }
.section-heading h2 { font-size: 32px; }
.work-feature { display: grid; grid-template-columns: .86fr 1.14fr; gap: 60px; border-top: 1px solid var(--line); padding-block: 32px 48px; }
.work-copy { display: flex; flex-direction: column; align-items: flex-start; padding-block: 25px 15px; }
.work-number { color: var(--muted); font-size: 13px; margin-bottom: 28px; }
.work-copy h2, .work-copy h3 { font-size: clamp(35px, 3.8vw, 52px); letter-spacing: -.045em; margin-bottom: 14px; }
.work-subtitle { font-size: 20px; margin-bottom: 17px; line-height: 1.55; }
.work-description { font-size: 15px; max-width: 410px; color: var(--muted); }
.work-meta { display: flex; flex-wrap: wrap; gap: 12px 20px; font-size: 12px; color: var(--muted); line-height: 1.7; margin-top: auto; padding-top: 18px; }
.work-open { margin-top: 24px; }
.work-visual { min-width: 0; min-height: 370px; padding: 34px 25px 47px; background: var(--surface); position: relative; display: flex; align-items: center; justify-content: center; }
.dashboard-image { width: 100%; height: auto; border: 1px solid var(--line); }
.visual-label { position: absolute; bottom: 18px; left: 25px; font-size: 11px; color: var(--muted); }
.phone-stage { display: flex; align-items: center; justify-content: center; gap: 24px; width: 100%; }
.phone-stage img { height: 330px; width: auto; max-width: 44%; object-fit: contain; object-position: center; border: 1px solid var(--line); }
.more-work { text-align: right; padding-block: 0 64px; }
.about-strip, .about-quote { display: grid; grid-template-columns: .65fr 1.35fr; gap: 70px; border-top: 1px solid var(--line); padding-block: 64px 76px; }
.about-strip h2, .about-quote h2 { font-size: 30px; }
.about-strip p, .about-quote p { font-size: 17px; max-width: 750px; }
.about-strip .text-link, .about-quote .text-link { margin-top: 10px; }
.contact-section { margin-top: 0; padding-block: 44px 28px; border-top: 1px solid var(--line); }
.contact-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 27px; }
.contact-top h2 { font-size: 22px; }
.contact-links { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; }
.email-link { font-size: clamp(23px, 2.5vw, 34px); letter-spacing: -.025em; overflow-wrap: anywhere; }
.copy-button { width: 34px; height: 34px; font-size: 20px; border: 1px solid var(--line); }
.copy-button:hover { background: var(--surface); }
.copy-status { font-size: 12px; min-height: 18px; margin-top: 12px; color: var(--muted); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; margin-top: 36px; font-size: 12px; color: var(--muted); }
.page-heading { display: grid; grid-template-columns: 1fr 1fr; gap: 55px; align-items: end; padding-block: 73px 60px; }
.page-heading h1 { font-size: clamp(50px, 6vw, 78px); letter-spacing: -.06em; }
.page-heading p { max-width: 450px; justify-self: end; font-size: 16px; margin: 0; }
.minor-projects { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; padding-block: 48px 75px; border-top: 1px solid var(--line); }
.minor-project { min-width: 0; }
.minor-project h2 { font-size: 34px; margin-block: 19px 18px; }
.minor-project h3 { font-size: 19px; margin-bottom: 16px; }
.minor-project p { font-size: 15px; color: var(--muted); }
.data-list { display: grid; gap: 22px; }
.data-list strong { font-size: 17px; display: block; margin-bottom: 5px; }
.data-list p { font-size: 14px; margin: 0; }
.scope { margin-top: 18px; font-size: 12px !important; }
.project-hero { padding-top: 42px; }
.project-topline { display: flex; align-items: center; justify-content: space-between; gap: 25px; font-size: 13px; color: var(--muted); margin-bottom: 35px; }
.project-title { font-size: clamp(64px, 10.4vw, 140px); line-height: 1.05; letter-spacing: -.065em; }
.project-subtitle { font-size: 25px; margin-block: 20px 36px; }
.project-cover { display: flex; align-items: center; justify-content: center; min-height: 360px; padding: 35px; background: var(--surface); }
.project-cover .dashboard-image { max-width: 1000px; width: 90%; }
.gabolle-cover .phone-stage { gap: 55px; }
.gabolle-cover .phone-stage img { height: 450px; max-width: 42%; }
.image-caption { font-size: 12px; line-height: 1.75; color: var(--muted); margin-top: 12px; }
.project-summary { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; padding-block: 66px; }
.project-summary h2 { font-size: 29px; }
.project-summary p { font-size: 16px; }
.project-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 25px 30px; margin: 0 0 24px; }
.project-facts dt { color: var(--muted); font-size: 12px; margin-bottom: 8px; }
.project-facts dd { font-size: 14px; line-height: 1.75; margin: 0; }
.role-note { color: var(--muted); font-size: 13px !important; border-top: 1px solid var(--line); padding-top: 20px; }
.content-section { display: grid; grid-template-columns: .65fr 1.35fr; gap: 70px; padding-block: 63px; border-top: 1px solid var(--line); }
.section-side .eyebrow { margin-bottom: 20px; }
.section-side h2 { font-size: 30px; line-height: 1.45; }
.section-body { min-width: 0; }
.section-body > p { font-size: 17px; }
.feature-entry { padding-bottom: 29px; margin-bottom: 29px; border-bottom: 1px solid var(--line); }
.feature-entry:last-child { border: 0; margin-bottom: 0; padding-bottom: 0; }
.entry-number { display: none; }
.feature-entry h3, .case h3 { font-size: 23px; margin-bottom: 15px; }
.feature-entry p { font-size: 16px; }
.tech-line { font-size: 12px; color: var(--muted); margin-top: 14px; }
.flow-list { list-style: none; padding: 0; margin-block: 28px; display: grid; grid-template-columns: repeat(4, 1fr); border-block: 1px solid var(--line); }
.flow-list li { padding: 22px 15px; border-right: 1px solid var(--line); }
.flow-list li:first-child { padding-left: 0; }
.flow-list li:last-child { border: 0; }
.flow-list small { display: block; color: var(--muted); font-size: 11px; margin-bottom: 13px; }
.flow-list strong { font-weight: 400; font-size: 14px; line-height: 1.7; }
.metric-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 25px; border-block: 1px solid var(--line); padding-block: 24px; margin-block: 25px; }
.metric-pair > div { min-width: 0; }
.metric-number { font-size: clamp(29px, 3.2vw, 43px); letter-spacing: -.04em; font-variant-numeric: tabular-nums; line-height: 1.35; overflow-wrap: break-word; }
.metric-label { font-size: 12px; color: var(--muted); line-height: 1.7; margin-top: 7px; }
.large-figure { margin-top: 30px; }
.large-figure img { width: 100%; height: auto; border: 1px solid var(--line); }
.case { margin-bottom: 36px; padding-bottom: 36px; border-bottom: 1px solid var(--line); }
.case:last-child { margin: 0; padding: 0; border: 0; }
.case-label { font-size: 12px; color: var(--muted); }
.case h3 { margin-top: 15px; }
.case p { font-size: 16px; }
.case-note { font-size: 13px !important; color: var(--muted); }
details { border-top: 1px solid var(--line); margin-top: 22px; }
summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; list-style: none; cursor: pointer; font-size: 14px; padding-block: 17px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; font-size: 22px; }
details[open] summary::after { content: '−'; }
.detail-body, .detail-body p { font-size: 13px; color: var(--muted); line-height: 1.8; }
.table-scroll { overflow-x: auto; }
.data-table { border-collapse: collapse; width: 100%; margin-bottom: 27px; font-size: 14px; }
.data-table th, .data-table td { padding: 14px 12px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); line-height: 1.75; }
.data-table th:first-child, .data-table td:first-child { padding-left: 0; }
.data-table th { font-weight: 700; }
.plain-list { font-size: 15px; line-height: 1.8; padding-left: 20px; }
.stage-tabs { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); margin-top: 27px; }
.stage-button { display: flex; gap: 12px; padding: 17px 14px; text-align: left; font-size: 14px; border-right: 1px solid var(--line); }
.stage-button:last-child { border-right: 0; }
.stage-button span { font-size: 11px; }
.stage-button[aria-pressed=true] { background: var(--ink); color: #fff; }
.stage-panel { padding: 28px; background: var(--surface); min-height: 215px; }
.stage-panel .eyebrow { margin-bottom: 15px; font-size: 12px; }
.stage-panel h3 { font-size: 22px; margin-bottom: 13px; }
.stage-panel p { font-size: 15px; margin: 0; }
.backend-map { display: grid; gap: 20px; max-width: 650px; margin-block: 29px; }
.map-node { border: 1px solid var(--line); padding: 18px 23px; position: relative; }
.map-node:not(:last-child)::after { content: '↓'; position: absolute; bottom: -24px; left: 50%; line-height: 24px; }
.map-node strong { font-size: 15px; display: block; margin-bottom: 6px; }
.map-node small { font-size: 12px; color: var(--muted); }
.map-caption { font-size: 13px !important; color: var(--muted); }
.next-project { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--line); padding-block: 44px; }
.next-project .eyebrow { margin-bottom: 13px; }
.next-project h2 { font-size: 40px; letter-spacing: -.045em; }
.next-arrow { font-size: 40px; }
.about-hero { display: grid; grid-template-columns: 1fr 240px; align-items: center; gap: 100px; padding-block: 73px 65px; }
.about-hero h1 { font-size: 66px; margin-bottom: 33px; }
.about-lead { font-size: 21px !important; }
.about-hero p { font-size: 17px; max-width: 680px; }
.about-portrait { width: 210px; justify-self: center; }
.about-blocks { display: grid; grid-template-columns: 1fr 1fr; gap: 75px; border-top: 1px solid var(--line); padding-block: 52px 66px; }
.about-blocks h2 { font-size: 28px; margin-bottom: 28px; }
.skill-row { display: grid; grid-template-columns: 1fr 1.25fr; gap: 20px; padding-block: 18px; border-top: 1px solid var(--line); font-size: 14px; line-height: 1.8; }
.skill-row p { font-size: 13px; color: var(--muted); margin: 0; }
.history-row { display: grid; grid-template-columns: 100px 1fr; gap: 12px; padding-block: 18px; border-top: 1px solid var(--line); font-size: 14px; line-height: 1.8; }
.history-row time { font-size: 12px; color: var(--muted); }
.history-row small { display: block; font-size: 12px; color: var(--muted); margin-top: 3px; }
.product-numbers { display: flex; gap: 48px; padding-block: 24px; border-block: 1px solid var(--line); margin-block: 25px 30px; }
.product-numbers strong { display: block; font-size: 37px; margin-bottom: 6px; font-weight: 700; letter-spacing: -.035em; }
.product-numbers small { display: block; font-size: 13px; color: var(--muted); line-height: 1.7; }
.reflection-entry + .reflection-entry { margin-top: 32px; }
.reflection-entry h3 { font-size: 22px; margin-bottom: 14px; }
.reflection-entry p { font-size: 16px; }
@media (max-width: 1050px) {
  .hero { grid-template-columns: minmax(0, 1fr) 220px; gap: 7%; }
  .hero-portrait { width: 205px; }
  .work-feature { gap: 35px; }
  .work-visual { min-height: 330px; padding-inline: 20px; }
  .phone-stage { gap: 17px; }
  .phone-stage img { height: 280px; }
  .content-section, .about-strip, .about-quote { grid-template-columns: .65fr 1.35fr; gap: 40px; }
  .section-side h2 { font-size: 27px; }
  .project-summary { gap: 50px; }
  .about-hero { gap: 50px; }
  .about-blocks { gap: 40px; }
  .skill-row { grid-template-columns: 1fr; gap: 5px; }
  .desktop-break { display: none; }
}
@media (max-width: 760px) {
  :root { --gutter: 24px; }
  .site-header { height: 72px; }
  .menu-toggle { display: block; font-size: 14px; padding: 12px 0 12px 20px; }
  .site-nav { display: none; position: absolute; top: 71px; left: calc(-1 * var(--gutter)); right: calc(-1 * var(--gutter)); padding: 20px var(--gutter) 25px; background: #fff; border-bottom: 1px solid var(--line); flex-direction: column; align-items: flex-start; gap: 12px; font-size: 20px; }
  .site-nav.is-open { display: flex; }
  .hero { grid-template-columns: minmax(0, 1fr) 108px; gap: 20px; padding-block: 52px 48px; align-items: start; }
  .hero-name { font-size: clamp(53px, 9.5vw, 70px); letter-spacing: -.07em; white-space: nowrap; }
  .hero-name-en { font-size: 13px; letter-spacing: 0; margin-top: 13px; }
  .hero-role { font-size: 14px; margin-bottom: 14px; }
  .hero-portrait { width: 108px; margin-top: 38px; }
  .hero-intro { font-size: 15px; margin-top: 27px; width: calc(100vw - 2 * var(--gutter)); max-width: 540px; }
  .hero-copy > .text-link { font-size: 13px; }
  .section-heading { padding-block: 30px 24px; }
  .section-heading h2 { font-size: 28px; }
  .section-heading .text-link { font-size: 12px; }
  .work-feature { grid-template-columns: 1fr; gap: 0; padding-top: 20px; padding-bottom: 35px; }
  .work-visual { order: -1; min-height: 0; padding: 25px 16px 42px; }
  .work-copy { padding-block: 25px 0; }
  .work-number { margin-bottom: 17px; font-size: 12px; }
  .work-copy h2, .work-copy h3 { font-size: 37px; margin-bottom: 12px; }
  .work-subtitle { font-size: 19px; margin-bottom: 14px; }
  .work-description { font-size: 14px; max-width: none; }
  .work-meta { padding-top: 10px; font-size: 11px; }
  .work-open { margin-top: 20px; font-size: 13px; }
  .phone-stage { gap: 22px; }
  .phone-stage img { height: 290px; max-width: 43%; }
  .visual-label { left: 16px; bottom: 14px; font-size: 10px; }
  .more-work { padding-bottom: 42px; }
  .about-strip, .about-quote { grid-template-columns: 1fr; gap: 25px; padding-block: 40px 48px; }
  .about-strip h2, .about-quote h2 { font-size: 26px; }
  .about-strip p, .about-quote p { font-size: 15px; }
  .contact-section { padding-top: 31px; }
  .contact-top h2 { font-size: 20px; }
  .contact-top .text-link { font-size: 13px; }
  .footer-bottom { font-size: 11px; margin-top: 27px; }
  .page-heading { grid-template-columns: 1fr; gap: 25px; padding-block: 47px 37px; }
  .page-heading h1 { font-size: 47px; }
  .page-heading p { justify-self: start; font-size: 15px; }
  .minor-projects { grid-template-columns: 1fr; gap: 47px; padding-block: 35px 48px; }
  .minor-project h2 { font-size: 30px; }
  .project-hero { padding-top: 30px; }
  .project-topline { font-size: 11px; margin-bottom: 28px; }
  .project-title { font-size: clamp(50px, 12.8vw, 88px); letter-spacing: -.06em; }
  .project-subtitle { font-size: 20px; line-height: 1.6; margin-block: 16px 25px; }
  .project-cover { min-height: 0; padding: 18px; }
  .project-cover .dashboard-image { width: 100%; }
  .gabolle-cover { padding: 25px 15px; }
  .gabolle-cover .phone-stage { gap: 20px; }
  .gabolle-cover .phone-stage img { height: 330px; max-width: 43%; }
  .image-caption { font-size: 11px; }
  .project-summary { grid-template-columns: 1fr; gap: 25px; padding-block: 39px; }
  .project-summary h2 { font-size: 26px; }
  .project-summary p { font-size: 15px; }
  .project-facts { gap: 21px; }
  .project-facts dd { font-size: 13px; }
  .role-note { font-size: 12px !important; }
  .content-section { grid-template-columns: 1fr; gap: 28px; padding-block: 40px; }
  .section-side h2 { font-size: 27px; }
  .section-side .eyebrow { margin-bottom: 11px; }
  .section-side h2 br { display: none; }
  .section-body > p, .feature-entry p, .case p, .reflection-entry p { font-size: 15px; }
  .feature-entry h3, .case h3, .reflection-entry h3 { font-size: 21px; }
  .flow-list { grid-template-columns: 1fr 1fr; }
  .flow-list li { border-bottom: 1px solid var(--line); }
  .flow-list li:nth-child(2) { border-right: 0; }
  .flow-list li:nth-child(n+3) { border-bottom: 0; }
  .flow-list li:nth-child(3) { padding-left: 0; }
  .metric-pair { grid-template-columns: 1fr; gap: 23px; }
  .metric-number { font-size: 34px; }
  .data-table { font-size: 12px; }
  .data-table th, .data-table td { padding: 12px 8px; }
  .stage-tabs { grid-template-columns: 1fr 1fr; }
  .stage-button { border-bottom: 1px solid var(--line); }
  .stage-button:nth-child(2) { border-right: 0; }
  .stage-button:nth-child(n+3) { border-bottom: 0; }
  .stage-panel { padding: 24px 21px; min-height: 280px; }
  .stage-panel h3 { font-size: 21px; }
  .stage-panel p { font-size: 14px; }
  .next-project { padding-block: 33px; }
  .next-project h2 { font-size: 35px; }
  .next-arrow { font-size: 33px; }
  .about-hero { grid-template-columns: 1fr 110px; gap: 25px; padding-block: 47px 39px; align-items: start; }
  .about-hero h1 { font-size: 47px; margin-bottom: 27px; }
  .about-hero p { width: calc(100vw - 2 * var(--gutter)); max-width: 650px; font-size: 15px; }
  .about-lead { font-size: 18px !important; margin-bottom: 155px; }
  .about-portrait { width: 110px; margin-top: 90px; }
  .about-blocks { grid-template-columns: 1fr; gap: 40px; padding-block: 39px 43px; }
  .about-blocks h2 { font-size: 26px; margin-bottom: 23px; }
  .skill-row { grid-template-columns: 1fr 1.3fr; gap: 15px; font-size: 13px; }
  .skill-row p { font-size: 12px; }
  .history-row { grid-template-columns: 87px 1fr; font-size: 13px; }
  .history-row time { font-size: 11px; }
  .product-numbers { gap: 30px; }
  .product-numbers strong { font-size: 31px; }
  .product-numbers small { font-size: 12px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

.app-gallery {display:flex;justify-content:center;gap:35px;padding:30px 20px;margin-top:28px;background:var(--surface)}
.app-gallery>div{min-width:0;width:40%;max-width:245px}.app-gallery img{width:100%;height:auto;border:1px solid var(--line)}
@media(max-width:760px){.app-gallery{gap:20px;padding:23px 16px}.app-gallery>div{width:44%}.app-gallery .image-caption{font-size:10px}}
@media(max-width:760px){.hero-name{font-size:clamp(47px,9.5vw,70px)}.about-hero{grid-template-columns:1fr;gap:25px}.about-hero p{width:auto}.about-lead{margin-bottom:1.15em}.about-portrait{display:none}}
@media(max-width:760px){
  .hero{gap:0 20px;align-items:start}
  .hero-copy{display:contents}
  .hero-role{grid-column:1;grid-row:1}
  .hero-name{grid-column:1;grid-row:2}
  .hero-portrait{grid-column:2;grid-row:1 / 3;align-self:end;margin:0}
  .hero-intro{grid-column:1 / -1;grid-row:3;width:auto;margin-top:28px}
  .hero-copy>.text-link{grid-column:1 / -1;grid-row:4;justify-self:start}
}