:root { color: #133734; background: #f6f8f7; font-family: Pretendard,"Apple SD Gothic Neo","Noto Sans KR","Segoe UI",sans-serif; font-synthesis: none; }
* { box-sizing: border-box; } body { margin: 0; } a { color: inherit; text-decoration: none; } :focus-visible { outline: 3px solid #ee8069; outline-offset: 3px; }
.guide-header { display: flex; align-items: center; justify-content: space-between; width: min(960px,calc(100% - 40px)); height: 82px; margin: 0 auto; }.guide-header > a:last-child { padding: 11px 15px; border: 1px solid #cadbd7; border-radius: 999px; font-size: 11px; font-weight: 800; }.guide-logo { display: inline-flex; align-items: center; gap: 9px; }.guide-logo img { width: 34px; height: 34px; }.guide-logo strong { font-size: 18px; }
main { border-top: 1px solid #e2ebe8; } article { width: min(900px,calc(100% - 40px)); margin: 0 auto; padding: 95px 0 120px; }.eyebrow { margin: 0 0 24px; color: #0f7167; font-size: 10px; font-weight: 900; letter-spacing: 2px; } h1 { max-width: 760px; margin: 0; font-size: clamp(45px,7vw,76px); line-height: 1.08; letter-spacing: -4px; }.lead { max-width: 700px; margin: 32px 0 0; color: #657e79; font-size: 18px; line-height: 1.85; word-break: keep-all; }
.guide-steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-top: 70px; }.guide-steps div { min-height: 290px; padding: 28px; border: 1px solid #dce7e4; border-radius: 18px; background: white; }.guide-steps span { color: #0f7167; font-size: 10px; font-weight: 900; }.guide-steps h2 { margin: 55px 0 15px; font-size: 20px; letter-spacing: -1px; }.guide-steps p,.guide-sources p,.guide-note p { margin: 0; color: #6f8380; font-size: 12px; line-height: 1.8; word-break: keep-all; }
.guide-note { margin-top: 16px; padding: 28px 31px; border-radius: 16px; color: white; background: #073b37; }.guide-note strong { display: block; margin-bottom: 10px; color: #ddec74; font-size: 13px; }.guide-note p { color: #b8d0cb; }
.guide-sources { margin-top: 80px; }.guide-sources h2 { margin: 0 0 16px; font-size: 27px; letter-spacing: -1.2px; }.guide-sources > div { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }.guide-sources a { padding: 10px 12px; border-radius: 8px; color: #0f7167; background: #e5f2ee; font-size: 10px; font-weight: 800; }
.guide-cta { display: flex; align-items: center; justify-content: space-between; gap: 25px; margin-top: 80px; padding: 31px; border-radius: 17px; background: #dff2ec; }.guide-cta p { margin: 0; font-size: 16px; font-weight: 800; }.guide-cta a { display: inline-flex; gap: 22px; padding: 14px 17px; border-radius: 9px; color: white; background: #073b37; font-size: 11px; font-weight: 800; }
.guide-principle-grid { display: grid !important; grid-template-columns: 1fr 1fr; gap: 10px !important; }.guide-principle-grid p { padding: 18px; border: 1px solid #dce7e4; border-radius: 12px; background: white; }.guide-principle-grid strong,.guide-principle-grid span { display: block; }.guide-principle-grid strong { color: #133734; font-size: 12px; }.guide-principle-grid span { margin-top: 6px; color: #6f8380; font-size: 10px; line-height: 1.6; }.guide-next { margin: 25px 0 0; color: #0f7167; font-size: 10px; font-weight: 800; }
.guide-index-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; margin-top: 48px; }.guide-index-grid > a { display: flex; min-height: 270px; flex-direction: column; padding: 26px; border: 1px solid #d8e5e2; border-radius: 17px; color: #173a38; background: #fff; transition: transform .2s ease,border-color .2s ease,box-shadow .2s ease; }.guide-index-grid > a:hover,.guide-index-grid > a:focus-visible { transform: translateY(-3px); border-color: #82b4ac; box-shadow: 0 16px 38px rgba(16,74,68,.08); outline: none; }.guide-index-grid span { color: #0d7068; font-size: 9px; font-weight: 900; letter-spacing: 1px; }.guide-index-grid h2 { margin: 35px 0 12px; font-size: 21px; line-height: 1.42; letter-spacing: -.8px; }.guide-index-grid p { margin: 0; color: #718783; font-size: 10px; line-height: 1.75; word-break: keep-all; }.guide-index-grid b { margin-top: auto; padding-top: 20px; color: #0d7068; font-size: 9px; }
.help-list { display:grid; gap:9px; margin-top:55px; }.help-list details { overflow:hidden; border:1px solid #d9e5e2; border-radius:14px; background:#fff; }.help-list summary { position:relative; display:flex; align-items:center; gap:15px; padding:20px 22px; font-size:14px; font-weight:800; cursor:pointer; list-style:none; }.help-list summary::-webkit-details-marker { display:none; }.help-list summary::after { content:"+"; margin-left:auto; color:#0f7167; font-size:20px; font-weight:400; }.help-list details[open] summary::after { content:"−"; }.help-list summary span { flex:0 0 auto; padding:6px 8px; border-radius:999px; color:#0f7167; background:#e5f2ee; font-size:8px; }.help-list details > div { padding:0 22px 22px 85px; }.help-list details p { margin:0; color:#667f7a; font-size:11px; line-height:1.8; word-break:keep-all; }.help-list details p+p { margin-top:10px; }.help-list details a { display:inline-flex; margin-top:15px; color:#0f7167; font-size:9px; font-weight:900; }
.challenge-board { margin-top:55px; padding:30px; border-radius:20px; color:#fff; background:linear-gradient(140deg,#0c554e,#073b37); box-shadow:0 20px 55px rgba(7,59,55,.16); }.challenge-board-heading { display:flex; align-items:flex-start; justify-content:space-between; gap:20px; }.challenge-board-heading span { color:#ddec74; font-size:8px; font-weight:900; letter-spacing:1.3px; }.challenge-board-heading h2 { margin:8px 0 6px; font-size:26px; letter-spacing:-1px; }.challenge-board-heading p { margin:0; color:#a9c9c2; font-size:10px; }.challenge-board-heading > strong { padding:9px 12px; border-radius:999px; color:#073b37; background:#ddec74; font-size:9px; white-space:nowrap; }.challenge-days { display:grid; grid-template-columns:repeat(7,1fr); gap:7px; margin-top:27px; }.challenge-days i { display:grid; aspect-ratio:1; place-items:center; border:1px solid rgba(255,255,255,.14); border-radius:50%; color:#81a9a1; background:rgba(255,255,255,.04); font-size:9px; font-style:normal; font-weight:900; }.challenge-days i.active { color:#073b37; border-color:#ddec74; background:#ddec74; }.challenge-actions { display:grid; grid-template-columns:1fr 1fr; gap:8px; margin-top:24px; }.challenge-actions button { min-height:46px; border-radius:9px; font:inherit; font-size:10px; font-weight:900; cursor:pointer; }.challenge-actions button:first-child { border:0; color:#073b37; background:#ddec74; }.challenge-actions button:nth-child(2) { border:1px solid rgba(255,255,255,.24); color:#fff; background:transparent; }.challenge-actions small { grid-column:1/-1; min-height:12px; color:#a9c9c2; font-size:8px; }
@media(max-width:720px){.challenge-board { margin-top:40px; padding:23px 18px; }.challenge-board-heading { flex-direction:column; }.challenge-days { gap:4px; }.challenge-actions { grid-template-columns:1fr; }.challenge-actions small { grid-column:auto; }}
footer { display: flex; justify-content: space-between; gap: 20px; padding: 28px max(20px,calc((100vw - 900px)/2)); color: #89a39e; background: #062724; font-size: 9px; } footer a { color: #c3d6d2; text-decoration: underline; }
@media(max-width:720px){.guide-header { height: 70px; }.guide-header > a:last-child span { display:none; } article { padding: 65px 0 90px; } h1 { font-size: 43px; letter-spacing: -2.7px; }.lead { font-size: 15px; }.guide-steps { grid-template-columns:1fr; margin-top:50px; }.guide-steps div { min-height:230px; }.guide-steps h2 { margin-top:36px; }.guide-principle-grid { grid-template-columns:1fr; }.guide-index-grid { grid-template-columns:1fr; margin-top:34px; }.guide-index-grid > a { min-height:240px; }.help-list { margin-top:40px; }.help-list summary { align-items:flex-start; flex-wrap:wrap; padding:18px; padding-right:48px; }.help-list summary::after { position:absolute; right:20px; }.help-list details > div { padding:0 18px 20px; }.guide-cta { align-items:flex-start; flex-direction:column; }.guide-cta a { width:100%; justify-content:space-between; } }
