:root { color-scheme: light; --ink: #172523; --ink-soft: #485a55; --muted: #687a72; --cream: #f6f5ee; --paper: #fffefa; --green: #133d36; --green-deep: #102e2a; --lime: #d8e8a7; --line: #dce2d7; --orange: #d8895d; --shadow: 0 18px 50px rgba(20,43,37,.08); }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Pretendard", "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif; line-height: 1.65; word-break: keep-all; overflow-wrap: break-word; }
button, input, textarea { font: inherit; }
a { color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid #c96c3d; outline-offset: 3px; }
.skip-link { position: absolute; left: 12px; top: -60px; z-index: 100; padding: 10px 16px; background: white; }
.skip-link:focus { top: 12px; }
.shell { width: min(1200px, calc(100% - 48px)); margin: 0 auto; }
.preview-bar { background: #183f35; color: #f8f3db; text-align: center; padding: 6px 14px; font-size: 12px; font-weight: 700; letter-spacing: .05em; }
.site-header { position: sticky; top: 0; z-index: 30; background: rgba(255,254,250,.96); backdrop-filter: blur(14px); border-bottom: 1px solid #e7e8df; }
.header-inner { min-height: 82px; display: flex; align-items: center; gap: 36px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; white-space: nowrap; }
.brand-mark { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 12px; background: var(--green); color: white; font-weight: 850; font-size: 24px; line-height: 1; }
.brand strong { display: block; font-size: 23px; letter-spacing: -.06em; line-height: 1.15; }
.brand small { display: block; margin-top: 2px; color: #687671; font-weight: 650; font-size: 11px; letter-spacing: .01em; }
.main-nav { display: flex; gap: 32px; margin: 0 auto; align-items: center; }
.main-nav a { text-decoration: none; font-size: 15px; font-weight: 700; color: #354843; }
.main-nav a:hover { color: #b66a40; }
.header-cta { text-decoration: none; border-bottom: 1.5px solid var(--green); font-weight: 800; font-size: 14px; white-space: nowrap; }
.header-cta span { margin-left: 10px; }
.hero { background: var(--cream); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.09fr) minmax(0, .91fr); align-items: center; gap: 55px; min-height: 620px; padding-top: 72px; padding-bottom: 76px; }
.eyebrow, .section-kicker { font-size: 13px; font-weight: 850; letter-spacing: .12em; color: #427b5b; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; }
.eyebrow-line { width: 30px; height: 2px; background: var(--orange); }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 24px; font-size: clamp(42px, 4.3vw, 69px); line-height: 1.18; letter-spacing: -.075em; font-weight: 850; }
h1 em { color: #247055; font-style: normal; }
.hero-description { max-width: 575px; font-size: 18px; line-height: 1.85; color: var(--ink-soft); word-break: keep-all; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.button { border: 0; border-radius: 8px; display: inline-flex; justify-content: center; align-items: center; gap: 25px; min-height: 54px; padding: 13px 22px; font-size: 15px; font-weight: 800; text-decoration: none; line-height: 1.2; }
.button-primary { color: white; background: var(--green); }
.button-primary:hover { background: #21594b; }
.button-outline { border: 1.4px solid #bac9bc; background: transparent; }
.button-outline:hover { background: white; }
.button-quiet { background: transparent; color: var(--ink-soft); padding-left: 12px; padding-right: 12px; }
.hero-note { display: flex; align-items: center; gap: 9px; margin-top: 29px; color: #65776d; font-size: 13px; font-weight: 650; }
.note-dot { width: 8px; height: 8px; border-radius: 50%; background: #c77d54; }
.hero-visual { background: var(--green-deep); color: #f7f7e9; padding: 28px 30px 24px; border-radius: 14px; box-shadow: 0 24px 60px rgba(21,52,41,.17); }
.visual-caption, .visual-footer { font-size: 11px; font-weight: 800; letter-spacing: .13em; color: #9bc0a7; }
.visual-caption { display: flex; justify-content: space-between; border-bottom: 1px solid rgba(255,255,255,.18); padding-bottom: 18px; }
.visual-track { position: relative; padding: 8px 0 6px; }
.visual-track:before { content: ""; position: absolute; left: 24px; top: 37px; bottom: 36px; width: 1px; background: rgba(221,237,205,.36); }
.track-item { position: relative; display: grid; grid-template-columns: 50px 1fr auto; align-items: center; gap: 20px; min-height: 95px; border-bottom: 1px solid rgba(255,255,255,.12); }
.track-item:last-child { border-bottom: 0; }
.track-item > span { z-index: 1; display: grid; place-items: center; width: 49px; height: 49px; border: 1px solid #79aa84; border-radius: 50%; background: var(--green-deep); color: var(--lime); font-weight: 800; font-size: 12px; }
.track-item strong { font-size: 20px; line-height: 1.35; letter-spacing: -.04em; }
.track-item small { color: #a7c5ae; font-size: 12px; white-space: nowrap; }
.visual-footer { border-top: 1px solid rgba(255,255,255,.18); padding-top: 20px; letter-spacing: .01em; font-size: 12px; }
.section { padding: 105px 0; }
.section-heading-row { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 32px; }
.section-kicker { margin-bottom: 12px; }
.section-heading-row h2, .tool-intro h2, .together-grid h2 { margin-bottom: 0; font-size: clamp(30px, 3vw, 44px); letter-spacing: -.06em; line-height: 1.25; }
.section-heading-row > p { max-width: 330px; margin-bottom: 4px; font-size: 15px; color: #687772; }
.start-section { background: white; }
.start-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.start-card { min-height: 290px; display: flex; flex-direction: column; text-decoration: none; padding: 27px 29px; border: 1px solid var(--line); border-radius: 12px; background: #fffefa; transition: transform .18s ease, box-shadow .18s ease; }
.start-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card-index { font-size: 12px; font-weight: 800; color: #617569; }
.card-icon { margin-top: 20px; margin-bottom: 14px; font-size: 28px; line-height: 1; color: #ca8155; }
.start-card h3 { font-size: 22px; letter-spacing: -.04em; margin-bottom: 9px; }
.start-card p { color: #52645d; font-size: 15px; line-height: 1.65; word-break: keep-all; }
.text-link { margin-top: auto; font-size: 14px; font-weight: 850; color: #1c5948; }
.text-link span { margin-left: 7px; }
.stories-section { background: #f4f6f0; }
.story-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 18px; }
.story-card { overflow: hidden; border: 1px solid #e2e6df; border-radius: 14px; background: white; color: inherit; text-decoration: none; transition: transform .18s ease, box-shadow .18s ease; }
.story-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.story-grid-three { grid-template-columns: repeat(3, 1fr); }
.story-grid-three .story-content h3 { font-size: 24px; }
.story-art { height: 205px; position: relative; display: grid; place-items: center; overflow: hidden; }
.art-wifi { background: #dee9d5; }
.art-wifi:before, .art-wifi:after { content: ""; position: absolute; width: 310px; height: 310px; border: 1px solid rgba(34,89,68,.13); border-radius: 50%; }
.art-wifi:after { width: 440px; height: 440px; }
.art-signal { width: 116px; height: 116px; background: var(--green); color: white; border-radius: 27px; display: grid; place-items: center; transform: rotate(-8deg); box-shadow: 0 17px 30px rgba(26,71,49,.19); }
.art-signal i { display: none; }
.art-signal:before { content: "⌁"; font-size: 91px; font-weight: 700; transform: rotate(8deg); line-height: 1; }
.art-site { background: #eadfd1; }
.art-note { background: #dce4ef; }
.note-sheet { width: 150px; height: 132px; padding: 28px 24px; border-radius: 8px; background: #fffefa; box-shadow: 0 14px 28px rgba(39,54,72,.17); transform: rotate(-5deg); }
.note-sheet i { display: block; height: 7px; margin: 0 0 14px; border-radius: 4px; background: #96ad9f; }
.note-sheet i:nth-child(2) { width: 78%; background: #d28d68; }
.note-sheet i:nth-child(3) { width: 90%; }
.mock-window { width: 225px; height: 145px; padding: 14px; border-radius: 9px; background: #fffaf3; box-shadow: 0 13px 27px rgba(68,49,34,.16); transform: rotate(6deg); }
.mock-dots { display: block; color: #d89876; font-size: 9px; letter-spacing: 3px; border-bottom: 1px solid #ebe7df; padding-bottom: 9px; }
.mock-line { display: block; width: 65%; height: 12px; margin-top: 17px; border-radius: 3px; background: #234b40; }
.mock-line.wide { width: 90%; height: 20px; margin-top: 20px; background: #b6cfac; }
.mock-pill { display: block; width: 73px; height: 17px; margin-top: 17px; border-radius: 12px; background: #d6916c; }
.art-label { position: absolute; right: 20px; bottom: 16px; color: #55725f; font-size: 10px; letter-spacing: .16em; font-weight: 850; }
.story-content { padding: 29px 32px 30px; }
.story-tag { font-size: 12px; font-weight: 850; color: #2b7956; }
.story-content h3 { margin: 11px 0 14px; font-size: clamp(23px, 2.4vw, 31px); line-height: 1.35; letter-spacing: -.05em; }
.story-content p { font-size: 15px; color: #56675e; line-height: 1.75; }
.draft-label { display: inline-block; margin-top: 13px; border: 1px solid #d5dfd3; border-radius: 20px; padding: 5px 11px; color: #5d7567; font-size: 12px; font-weight: 700; }
.tool-section { background: #e7eee6; }
.tool-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: 66px; align-items: start; }
.tool-intro { padding-top: 34px; }
.tool-intro h2 { font-size: clamp(35px, 3.7vw, 52px); }
.tool-intro > p:not(.section-kicker) { margin-top: 24px; color: #4f665a; font-size: 17px; line-height: 1.85; word-break: keep-all; }
.privacy-note { display: flex; gap: 12px; margin-top: 37px; padding-top: 20px; border-top: 1px solid #bccfc0; color: #52715d; font-size: 13px; }
.privacy-note > span:first-child { color: #217555; font-size: 20px; line-height: 1; }
.tool-panel { border: 1px solid #d9e3d7; border-radius: 14px; background: white; box-shadow: var(--shadow); padding: 27px 30px 29px; }
.tool-panel-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding-bottom: 21px; border-bottom: 1px solid #e6ece4; font-size: 18px; font-weight: 850; }
.tool-stage { border-radius: 30px; background: #edf3e7; color: #4e7756; padding: 5px 10px; font-size: 11px; font-weight: 800; }
.tool-panel form { padding-top: 19px; }
.tool-panel label { display: block; margin: 19px 0 7px; font-size: 14px; font-weight: 800; }
.tool-panel label:first-child { margin-top: 0; }
.required, .optional { margin-left: 6px; font-size: 11px; font-weight: 700; }
.required { color: #b76842; }
.optional { color: #829188; }
.tool-panel input, .tool-panel textarea { width: 100%; display: block; border: 1px solid #d1dbd0; border-radius: 7px; padding: 12px 14px; resize: vertical; background: #fcfdfb; color: var(--ink); font-size: 15px; line-height: 1.5; }
.tool-panel input::placeholder, .tool-panel textarea::placeholder { color: #89958c; }
.tool-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 26px; }
.form-help { margin: 13px 0 0; color: #80766e; font-size: 12px; }
.tool-output { margin-top: 29px; border-top: 1px solid #dfe7dc; padding-top: 21px; }
.output-heading { display: flex; justify-content: space-between; align-items: center; gap: 15px; }
.output-heading button { border: 1px solid #acc8b2; border-radius: 6px; background: #f3f8f1; color: #225a40; font-size: 13px; font-weight: 800; padding: 7px 11px; }
.tool-output pre { white-space: pre-wrap; word-break: break-word; font-family: inherit; font-size: 14px; line-height: 1.7; border-radius: 8px; background: #f6f8f3; padding: 17px; }
.copy-status { margin-bottom: 0; color: #3d7450; font-size: 12px; }
.tool-promo { background: #e7eee6; }
.tool-promo-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 72px; align-items: center; }
.tool-promo-grid h2 { margin-bottom: 0; font-size: clamp(35px, 3.7vw, 52px); letter-spacing: -.06em; line-height: 1.25; }
.tool-promo-card { padding: 38px 42px; border: 1px solid #d0ddd0; border-radius: 14px; background: white; box-shadow: var(--shadow); }
.tool-promo-card > p { font-size: 18px; line-height: 1.8; color: #40564d; }
.tool-promo-card ul { margin: 20px 0 28px; padding-left: 20px; color: #5a6c64; }
.tool-promo-card li { margin: 7px 0; }
.about-strip { background: #163d33; color: #fcfcef; }
.about-strip .section-kicker { color: #aed69c; }
.about-strip p { color: #d7e8d8; }
.light-link { color: #eff6d6; font-weight: 800; text-underline-offset: 5px; }
.page-hero { background: var(--cream); padding: 72px 0 62px; border-bottom: 1px solid #e3e5db; }
.page-hero .shell, .article-shell { max-width: 840px; }
.breadcrumbs { margin-bottom: 24px; color: #65766f; font-size: 14px; }
.breadcrumbs a { text-underline-offset: 4px; }
.page-hero h1 { max-width: 760px; margin-bottom: 22px; font-size: clamp(38px, 5vw, 60px); }
.page-summary { max-width: 680px; margin-bottom: 0; color: #53655e; font-size: 18px; line-height: 1.8; }
.article-meta { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-top: 28px; color: #6c7b75; font-size: 13px; }
.article-body { padding: 74px 0 96px; }
.article-shell { width: min(100% - 40px, 760px); margin: 0 auto; }
.article-shell p { margin-bottom: 1.45em; font-size: 18px; line-height: 2; word-break: keep-all; }
.article-shell h2 { margin: 2.2em 0 .7em; font-size: 30px; line-height: 1.45; letter-spacing: -.04em; }
.article-shell blockquote { margin: 38px 0; padding: 22px 26px; border-left: 4px solid var(--orange); background: #f6f5ee; font-size: 21px; font-weight: 750; }
.article-callout { margin: 48px 0; padding: 25px 28px; border: 1px solid #cad9cc; border-radius: 12px; background: #f3f7f0; }
.article-callout strong { display: block; margin-bottom: 8px; }
.article-callout p { margin: 0; font-size: 15px; line-height: 1.75; }
.article-sources { margin-top: 56px; padding-top: 26px; border-top: 1px solid #dce2d7; }
.article-sources h2 { margin-top: 0; font-size: 20px; }
.article-sources li { margin: 8px 0; color: #52645d; }
.next-story { background: #f0f3ec; padding: 46px 0; }
.next-story-inner { width: min(100% - 40px, 760px); margin: 0 auto; }
.next-story a { display: block; padding: 24px 26px; border: 1px solid #d7dfd4; border-radius: 12px; background: white; color: inherit; text-decoration: none; }
.next-story span { color: #3d7857; font-size: 13px; font-weight: 800; }
.next-story strong { display: block; margin-top: 8px; font-size: 20px; }
.about-page-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 70px; align-items: start; }
.about-card { position: sticky; top: 112px; padding: 28px; border-radius: 14px; background: var(--green); color: white; }
.about-card strong { display: block; font-size: 24px; }
.about-card p { margin: 9px 0 0; color: #cfe2d3; font-size: 14px; line-height: 1.7; }
.about-content p { font-size: 18px; line-height: 1.95; }
.tool-page { background: #edf2eb; padding: 72px 0 96px; }
.tool-page-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 52px; align-items: start; }
.tool-page-intro { position: sticky; top: 112px; }
.tool-page-intro h1 { margin: 12px 0 23px; font-size: clamp(38px, 5vw, 58px); }
.tool-page-intro > p { color: #50655c; font-size: 17px; line-height: 1.85; }
.tool-example { margin-top: 28px; overflow: hidden; border: 1px solid #cad8cc; border-radius: 12px; background: white; }
.tool-example-row { padding: 16px 18px; }
.tool-example-row + .tool-example-row { border-top: 1px solid #dce5dc; background: #f5f8f3; }
.tool-example small { display: block; margin-bottom: 5px; color: #4b775d; font-size: 12px; font-weight: 850; }
.tool-example p { margin: 0; color: #42564e; font-size: 14px; line-height: 1.65; }
.article-sources a { overflow-wrap: anywhere; word-break: break-word; }
.together-section { background: #163d33; color: #fcfcef; }
.together-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 80px; align-items: center; }
.together-grid .section-kicker { color: #aed69c; }
.together-grid h2 { font-size: clamp(35px, 3.7vw, 52px); }
.together-grid p { max-width: 520px; font-size: 18px; line-height: 1.85; color: #d7e8d8; }
.together-grid .together-status { margin-top: 20px; margin-bottom: 0; color: #9ec2a5; font-size: 13px; }
.site-footer { background: #102b25; color: #c7d7c9; padding: 45px 0; }
.footer-inner { display: flex; align-items: center; gap: 24px; }
.footer-brand .brand-mark { background: #dbe9ba; color: #153c30; }
.footer-brand strong { color: white; }
.footer-brand small { color: #a8bcae; }
.footer-inner p { margin: 0 auto; font-size: 13px; }
.footer-inner > span { font-size: 12px; }
@media (max-width: 1000px) { .header-inner { gap: 18px; } .main-nav { gap: 16px; } .hero-grid { gap: 28px; } .track-item { grid-template-columns: 44px 1fr; gap: 14px; } .track-item small { grid-column: 2; margin-top: -20px; } .tool-grid, .tool-page-grid { gap: 30px; } .story-grid-three { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 760px) { .shell { width: min(100% - 32px, 600px); } .header-inner { min-height: 68px; } .main-nav { display: none; } .header-cta { margin-left: auto; } .brand-mark { width: 38px; height: 38px; font-size: 21px; } .brand strong { font-size: 20px; } .brand small { font-size: 10px; } .hero-grid, .tool-grid, .tool-promo-grid, .tool-page-grid, .together-grid, .about-page-grid { grid-template-columns: 1fr; } .hero-grid { padding-top: 62px; padding-bottom: 64px; min-height: unset; } .hero-visual { margin-top: 8px; } .hero-description { font-size: 16px; } .section { padding: 68px 0; } .section-heading-row { display: block; } .section-heading-row > p { margin-top: 15px; } .start-grid, .story-grid, .story-grid-three { grid-template-columns: 1fr; } .start-card { min-height: 240px; } .tool-intro, .tool-page-intro { position: static; padding-top: 0; } .together-grid { gap: 24px; } .tool-promo-card { padding: 28px 24px; } .page-hero { padding: 52px 0 45px; } .article-body { padding: 50px 0 70px; } .article-shell p { font-size: 17px; line-height: 1.9; } .about-card { position: static; } .footer-inner { flex-wrap: wrap; } .footer-inner p { margin: 0; } }
@media (max-width: 460px) { .header-cta { font-size: 12px; } .hero-grid { padding-top: 47px; } h1 { font-size: 40px; } .hero-actions { flex-direction: column; align-items: stretch; } .button { width: 100%; } .hero-visual { padding: 19px; } .track-item strong { font-size: 17px; } .track-item small { font-size: 11px; } .story-content { padding: 25px; } .tool-panel { padding: 23px 18px; } .tool-actions { flex-direction: column; } .button-quiet { justify-content: center; } .footer-inner { display: block; } .footer-inner p { margin: 22px 0 12px; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .start-card { transition: none; } }