@import url('https://fonts.googleapis.com/css2?family=Black+Han+Sans&family=Noto+Sans+KR:wght@400;500;700;900&display=swap');

:root{
  --teal:#1FA095; --teal-deep:#157A72; --navy:#17325C; --ink:#132A3E;
  --mint:#E7F4F2; --paper:#FBFDFC; --yellow:#FFD54A; --line:rgba(23,50,92,0.10);
  --radius:20px;
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{background:var(--paper);color:var(--ink);font-family:'Noto Sans KR',sans-serif;line-height:1.65;overflow-x:hidden;}
.display{font-family:'Black Han Sans',sans-serif;letter-spacing:.4px;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;height:auto;}
ul{list-style:none;}
.wrap{max-width:1160px;margin:0 auto;padding:0 22px;}

/* ---------- topbar / nav ---------- */
.topbar{background:var(--navy);color:#fff;font-size:12.5px;text-align:center;padding:8px 14px;}
.topbar b{color:var(--yellow);}
nav{position:relative;z-index:50;display:flex;align-items:center;justify-content:space-between;max-width:1160px;margin:0 auto;padding:14px 22px;background:#fff;}
.brand{display:flex;align-items:center;gap:10px;}
.brand img{width:42px;height:auto;}
.brand .name{font-size:19px;color:var(--navy);}
.nav-links{display:flex;gap:4px;font-size:14.5px;font-weight:700;color:var(--navy);}
.nav-item{position:relative;padding:10px 14px;cursor:pointer;border-radius:10px;}
.nav-item:hover{background:var(--mint);}
.nav-item .care{font-size:10px;margin-left:3px;opacity:.6;}
.dropdown{display:none;position:absolute;top:100%;left:0;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 16px 34px rgba(23,50,92,.14);padding:10px;min-width:190px;}
.nav-item:hover .dropdown{display:block;}
.dropdown a{display:block;padding:9px 12px;border-radius:8px;font-size:13.5px;color:#3B5066;font-weight:500;white-space:nowrap;}
.dropdown a:hover{background:var(--mint);color:var(--navy);}
.nav-cta{background:var(--teal);color:#fff;font-weight:700;font-size:14px;padding:10px 20px;border-radius:100px;box-shadow:0 6px 16px rgba(31,160,149,.28);}
@media(max-width:900px){.nav-links{display:none;}}

/* ---------- hero ---------- */
.hero{background:linear-gradient(180deg,var(--mint) 0%, var(--paper) 45%);padding:0 0 60px;}
.slider{position:relative;width:100%;max-height:340px;overflow:hidden;}
.slide{position:absolute;inset:0;opacity:0;animation:slideFade 12s infinite;}
.slide img{width:100%;height:340px;object-fit:cover;display:block;}
.slide:nth-child(1){animation-delay:0s;}
.slide:nth-child(2){animation-delay:4s;}
.slide:nth-child(3){animation-delay:8s;}
@keyframes slideFade{0%{opacity:0;}4%{opacity:1;}30%{opacity:1;}36%{opacity:0;}100%{opacity:0;}}
.slider-spacer{height:340px;}
.slider-tag{position:absolute;left:22px;bottom:16px;background:rgba(23,50,92,.82);color:#fff;font-size:12.5px;font-weight:700;padding:7px 16px;border-radius:100px;z-index:5;}
@media(prefers-reduced-motion:reduce){.slide{animation:none;opacity:0;}.slide:nth-child(1){opacity:1;}}
@media(max-width:700px){.slider,.slide img,.slider-spacer{height:220px;max-height:220px;}}

.hero-inner{max-width:820px;margin:0 auto;text-align:center;padding:40px 22px 0;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);color:var(--teal-deep);font-weight:700;font-size:13px;padding:7px 14px;border-radius:100px;margin-bottom:18px;box-shadow:0 3px 10px rgba(23,50,92,.05);}
h1{font-size:40px;line-height:1.28;color:var(--navy);margin-bottom:14px;}
h1 .accent{color:var(--teal);}
.hero p.sub{color:#4A6076;font-size:16px;max-width:520px;margin:0 auto 24px;}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center;justify-content:center;}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:900;border-radius:100px;cursor:pointer;border:none;font-family:inherit;}
.btn-primary{background:var(--teal);color:#fff;font-size:16px;padding:16px 28px;box-shadow:0 10px 22px rgba(31,160,149,.3);}
.btn-kakao{background:#FEE500;color:#191600;font-size:15px;padding:15px 24px;font-weight:700;}
.hero-meta{margin-top:26px;display:flex;gap:26px;color:#5B7186;font-size:12.5px;justify-content:center;}
.hero-meta strong{display:block;font-family:'Black Han Sans';font-size:21px;color:var(--navy);}
@media(max-width:900px){h1{font-size:30px;}}

/* ---------- 진단 트리 ---------- */
.diag-wrap{max-width:760px;margin:38px auto 0;padding:0 22px;}
.diag{background:#fff;border:1px solid var(--line);border-radius:26px;padding:34px;box-shadow:0 18px 46px rgba(23,50,92,.10);position:relative;}
.diag-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px;}
.diag-head .tag{background:var(--navy);color:#fff;font-size:12px;font-weight:700;padding:5px 12px;border-radius:100px;}
.diag-step-n{font-size:12px;color:#8AA0B2;font-weight:700;}
.diag h3{font-size:22px;color:var(--navy);margin:14px 0 4px;text-align:left;}
.diag .hint{color:#5B7186;font-size:13.5px;margin-bottom:18px;text-align:left;}
.opt{display:block;width:100%;text-align:left;background:var(--mint);border:2px solid transparent;border-radius:16px;padding:16px 18px;margin-bottom:10px;cursor:pointer;transition:.15s;font-family:inherit;}
.opt:hover,.opt:focus-visible{border-color:var(--teal);background:#fff;}
.opt b{display:block;font-size:15.5px;color:var(--navy);}
.opt span{font-size:12.5px;color:#5B7186;}
.diag-back{background:none;border:none;color:#8AA0B2;font-size:12.5px;cursor:pointer;margin-top:6px;font-family:inherit;}
.result{display:none;text-align:center;padding:8px 0 4px;}
.result .emoji{font-size:40px;}
.result h4{font-size:21px;color:var(--navy);margin:12px 0 8px;}
.result p{color:#4A6076;font-size:13.5px;margin-bottom:20px;}
.result .btn-primary{width:100%;justify-content:center;}
.result .sub-link{display:block;margin-top:12px;font-size:13px;color:var(--teal-deep);font-weight:700;text-decoration:underline;}
.warn{background:#FFF3E8;color:#B4560E;font-size:12.5px;font-weight:700;padding:10px 14px;border-radius:10px;margin-bottom:14px;text-align:left;}
@media(max-width:900px){.diag{padding:24px;}}

/* ---------- sections ---------- */
.section{padding:64px 0;}
.section-head{text-align:center;max-width:600px;margin:0 auto 40px;}
.section-tag{color:var(--teal);font-weight:900;font-size:13px;letter-spacing:1px;display:block;margin-bottom:8px;}
.section h2{font-size:31px;color:var(--navy);line-height:1.3;}
.section .lead{color:#5B7186;font-size:14.5px;margin-top:8px;}

/* ---------- 정보 카드 (네이버 서브링크용) ---------- */
.info-cards{background:var(--mint);}
.card-row{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;}
.card-row a{display:block;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:.18s;}
.card-row a:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(23,50,92,.14);}
.card-row img{display:block;width:100%;aspect-ratio:1/1;object-fit:cover;}
.card-row span{display:block;padding:14px 10px;text-align:center;font-size:14px;font-weight:700;color:var(--navy);line-height:1.4;}
@media(max-width:900px){.card-row{grid-template-columns:repeat(2,1fr);}}
@media(max-width:460px){.card-row{grid-template-columns:1fr;}}

/* ---------- 요금제 ---------- */
.plan-tabs{display:flex;gap:8px;justify-content:center;margin-bottom:26px;}
.plan-tab{border:1.5px solid var(--line);background:#fff;color:var(--navy);font-weight:900;font-size:14px;padding:10px 26px;border-radius:100px;cursor:pointer;font-family:inherit;}
.plan-tab.on{background:var(--navy);color:#fff;border-color:var(--navy);}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.plan-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;position:relative;text-align:center;}
.plan-card.best{border:2px solid var(--teal);box-shadow:0 14px 30px rgba(31,160,149,.14);}
.badge-best{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--yellow);color:#4A3A00;font-size:11.5px;font-weight:900;padding:4px 14px;border-radius:100px;}
.plan-card .pname{font-size:17px;font-weight:900;color:var(--navy);}
.plan-card .price{font-family:'Black Han Sans';font-size:30px;color:var(--teal-deep);margin:8px 0 2px;}
.plan-card .price small{font-size:13px;color:#5B7186;font-family:'Noto Sans KR';font-weight:400;}
.plan-card ul{margin:16px 0;border-top:1px dashed var(--line);padding-top:14px;font-size:13.5px;color:#4A6076;display:grid;gap:6px;}
.plan-card ul b{color:var(--navy);}
.plan-note{text-align:center;color:#8AA0B2;font-size:12.5px;margin-top:18px;}

/* ---------- 유심 ---------- */
.usim-bg{background:var(--mint);}
.usims{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.usim-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;}
.usim-card .net{display:inline-block;font-size:11.5px;font-weight:900;color:#fff;padding:4px 12px;border-radius:100px;margin-bottom:12px;}
.net-kt{background:#009BB4;}
.net-lg{background:#E6007E;}
.net-u{background:#FF3E3E;}
.usim-card h3{font-size:17.5px;color:var(--navy);margin-bottom:4px;}
.usim-card .where{font-size:13px;color:#5B7186;min-height:40px;}
.usim-card .uprice{font-family:'Black Han Sans';font-size:24px;color:var(--navy);margin-top:10px;}
.usim-card .uprice small{font-size:12px;color:#8AA0B2;font-family:'Noto Sans KR';}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;}
.step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 16px;}
.step .n{font-family:'Black Han Sans';color:var(--teal);font-size:22px;margin-bottom:8px;}
.step h3{font-size:14.5px;color:var(--navy);margin-bottom:6px;}
.step p{font-size:12.5px;color:#5B7186;}
@media(max-width:900px){.plans,.usims{grid-template-columns:1fr;}.steps{grid-template-columns:1fr 1fr;}}
@media(max-width:560px){.steps{grid-template-columns:1fr;}}

/* ---------- reviews / kakao / faq / blog ---------- */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.review-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;}
.review-card .stars{color:var(--yellow);font-size:14px;margin-bottom:10px;}
.review-card h3{font-size:15.5px;color:var(--navy);margin-bottom:8px;line-height:1.4;}
.review-card p{font-size:13px;color:#5B7186;}
@media(max-width:900px){.reviews{grid-template-columns:1fr;}}

.kakao-strip{background:var(--navy);color:#fff;padding:46px 0;}
.kakao-inner{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;max-width:1160px;margin:0 auto;padding:0 22px;}
.kakao-inner h2{font-size:26px;}
.kakao-inner .id{color:var(--yellow);}
.kakao-inner p{color:#B9C6DC;font-size:13.5px;margin-top:6px;}

.faq{max-width:760px;margin:0 auto;}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin-bottom:10px;}
.faq summary{font-weight:700;color:var(--navy);cursor:pointer;font-size:15px;}
.faq details p{color:#4A6076;font-size:13.5px;margin-top:10px;}

.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.blog-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;font-size:14.5px;}
.blog-card .date{color:var(--teal-deep);font-size:12px;font-weight:700;margin-bottom:10px;display:block;}
@media(max-width:900px){.blog-grid{grid-template-columns:1fr;}}

.final{background:linear-gradient(180deg,var(--paper),var(--mint));text-align:center;padding:70px 0;}
.final h2{font-size:34px;color:var(--navy);margin-bottom:10px;}
.final p{color:#5B7186;margin-bottom:24px;}

footer{background:var(--navy);color:#B9C6DC;font-size:12.5px;padding:36px 0 90px;}
.foot-grid{display:flex;justify-content:space-between;flex-wrap:wrap;gap:24px;}
.foot-biz p{margin:3px 0;}
.foot-biz b{color:#fff;}
footer .social a{color:#fff;font-weight:700;margin-right:14px;}
.foot-links{display:flex;gap:14px;margin-top:10px;}

.quickbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;background:#fff;border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(23,50,92,.12);}
.quickbar-inner{display:grid;grid-template-columns:1fr 1fr 1fr;}
.quickbar a{display:flex;flex-direction:column;align-items:center;gap:2px;padding:10px 4px;font-size:11.5px;font-weight:700;color:var(--navy);}
.quickbar a.main{background:var(--teal);color:#fff;}
.quickbar .ic{font-size:17px;}
@media(max-width:900px){.quickbar{display:block;}}

/* ---------- 서브페이지 전용 ---------- */
.crumb{font-size:12.5px;color:#8AA0B2;padding:18px 0 0;}
.crumb a{color:var(--teal-deep);font-weight:700;}
.page-head{padding:26px 0 8px;}
.page-head h1{font-size:33px;color:var(--navy);line-height:1.3;}
.page-head .sub{color:#4A6076;font-size:15px;margin-top:12px;max-width:640px;}
.prose{max-width:760px;margin:0 auto;}
.prose h2{font-size:24px;color:var(--navy);margin:44px 0 14px;}
.prose h3{font-size:17px;color:var(--navy);margin:26px 0 8px;}
.prose p{color:#3B5066;font-size:15px;margin-bottom:14px;}
.prose ul.bul{margin:0 0 18px;padding-left:0;}
.prose ul.bul li{position:relative;padding-left:20px;margin-bottom:8px;color:#3B5066;font-size:15px;}
.prose ul.bul li::before{content:"";position:absolute;left:4px;top:10px;width:7px;height:7px;border-radius:50%;background:var(--teal);}
.callout{background:var(--mint);border-left:4px solid var(--teal);border-radius:0 14px 14px 0;padding:16px 20px;margin:20px 0;font-size:14px;color:#2D4459;}
.callout.warn-box{background:#FFF3E8;border-left-color:#E4573D;color:#8A4211;}
table.tbl{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px;}
table.tbl th,table.tbl td{border:1px solid var(--line);padding:11px 13px;text-align:left;}
table.tbl th{background:var(--navy);color:#fff;font-weight:700;}
table.tbl tbody tr:nth-child(even){background:#F6FAF9;}
.related{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:20px;}
.related a{display:block;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;font-size:13.5px;font-weight:700;color:var(--navy);}
.related a:hover{border-color:var(--teal);}
@media(max-width:900px){.related{grid-template-columns:1fr 1fr;}.page-head h1{font-size:26px;}}