/* 1.4 blue action-first design. Product and authentication brand colors are retained. */
:root{--purple:#003eff;--purple-dark:#123775;--purple-soft:#3977ed;--pale:#edf4ff;--ink:#202124;--navy:#202124;--muted:#5f6368;--paper:#f5f7ff;--surface:#f7f7f8;--line:#e2e3e6}
.label,.label.kt{color:var(--purple)}
body{font-family:'Pretendard Variable',Pretendard,'Malgun Gothic',sans-serif;font-size:16px;line-height:1.65;color:var(--ink);letter-spacing:-.018em}button,input,select,textarea{font-family:inherit}h1,h2,h3{line-height:1.35;word-break:keep-all}[hidden]{display:none!important}a,button,label{touch-action:manipulation}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--purple);outline-offset:4px}
.button{min-height:52px;border-radius:10px;font-size:16px;font-weight:650}.button:hover{box-shadow:0 6px 16px #003eff22}.button.secondary{background:white;border-color:#c2d1e9}.button.secondary:hover{background:var(--pale)}.service-strip{background:#003eff}.nav>a:not(.button){font-size:16px;font-weight:600}.nav .button{color:white}
.brand{position:relative}.brand .brand-logo{width:70px;height:auto;opacity:1}.brand:after{content:none}
.intro{padding:46px 0;border:0}.hero-grid{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:54px}.hero-copy h1{font-size:50px;margin:0 0 10px;color:var(--navy)}.hero-subtitle{font-size:31px;margin-bottom:20px}.hero-copy .lead{font-size:17px;line-height:1.65}.hero-facts{border-color:#cfddf0}.hero-facts>div+div{border-color:#cfddf0;padding-left:16px}.hero-facts dd{font-weight:600}.hero-products{padding:28px 30px 20px;background:white;border:1px solid #e1eaf8;border-radius:24px;box-shadow:0 14px 36px #234d8910}.product-caption>span{display:inline-block;font-size:12px;font-weight:700;background:var(--pale);padding:4px 10px;border-radius:6px}.product-caption>strong{font-size:28px;line-height:1.25;margin-top:12px;color:var(--navy)}.product-pair{justify-content:flex-end;gap:28px;margin:-24px 0 20px}.product-pair figure{width:120px}.product-pair img{filter:drop-shadow(0 12px 10px #14356322)}.product-pair figcaption{font-weight:600}.hero-products>a{border-color:var(--line);font-size:14px}
.jump-nav .wrap{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;min-height:112px;padding:18px 0}.jump-nav .wrap>span{display:none}.jump-nav a{display:flex;flex-direction:column;justify-content:center;gap:8px;font-size:15px;font-weight:650;min-height:72px;padding:6px;background:none;border-radius:12px;color:var(--ink)}.jump-nav a+a{border-left:1px solid #edf0f5;border-radius:0}.jump-nav svg{width:28px;height:28px;color:var(--purple)}.jump-nav a:hover{background:var(--pale)}
.section-head h2{font-size:32px}.section-head>div>p:last-child{font-size:16px}.finder{border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 8px 24px #162b4d06}.finder form{background:#f8faff;gap:24px}.finder legend{line-height:1.5}.finder .choice>span{min-height:54px;border-color:#c7d3e4;border-radius:10px;line-height:1.45}.finder .choice:hover>span{border-color:var(--purple);background:var(--pale)}.finder .choice input:checked+span{border:2px solid var(--purple);padding:11px 9px;background:var(--pale);color:#003eff;font-weight:700}.finder-result{background:white;border-top:1px solid var(--line);gap:24px}.finder-result h3{font-size:23px;margin:0 0 5px}.finder-result p{font-size:15px;margin-bottom:0;max-width:660px}.finder-result .result-label{font-size:13px;margin-bottom:6px}.route-actions{display:flex;flex-direction:column;align-items:center;gap:10px;flex-shrink:0}.route-actions .button{white-space:nowrap}.route-actions .text-link{display:inline-flex;align-items:center;min-height:44px;font-size:14px}.finder.is-ready{border-color:#9ab9ef}.finder.is-ready .finder-result{background:var(--pale)}
.steps{gap:14px}.steps li{padding:22px;background:white;border:1px solid var(--line);border-radius:14px;min-width:0}.step-no{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--pale);font-size:14px;margin:0 0 14px}.steps h3{font-size:20px;margin:0 0 8px}.steps p{font-size:15px;line-height:1.55;margin:0;word-break:keep-all}.step-finish{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:24px}.step-finish p{margin:0;font-size:15px}.step-finish strong{display:block;color:var(--navy);font-size:16px;margin-bottom:3px}.step-finish .button{flex-shrink:0}
.usims{gap:22px}.usim{grid-template-columns:145px minmax(0,1fr);gap:24px;padding:26px;border:1px solid var(--line);border-radius:18px;background:white;align-items:center}.usim-visual,.usim-visual.lg{width:145px;height:250px;border-radius:14px;background:#f3f7fd}.usim-visual img,.usim img{max-width:118px;height:214px;max-height:214px}.usim h3{font-size:23px}.usim .purchase-price{font-size:26px;color:var(--navy)}.purchase-price small{font-size:12px}.usim .purchase-info{font-size:14px;margin-bottom:10px}.check-list{list-style:none;padding:0;margin:14px 0 18px}.check-list li{position:relative;padding-left:20px;font-size:15px;color:var(--muted);margin:7px 0;line-height:1.6}.check-list li:before{content:'✓';position:absolute;left:0;color:var(--purple);font-weight:700}.usim .check-list li{font-size:14px}.usim .text-link{display:inline-flex;min-height:44px;align-items:center}
.plan,.plan:first-child,.plan:nth-child(2),.plan:nth-child(3),.plan:last-child{border:1px solid #dae5f7;border-radius:18px;padding:28px;background:white;box-shadow:none}.plan:first-child{border-top:4px solid var(--purple);padding-top:25px}.plan h3{font-size:20px}.plan .data{font-size:38px;color:var(--navy);line-height:1.2;margin:22px 0}.plan .data small{display:block;font-size:15px;color:var(--muted);font-weight:500;margin-top:8px}.plan ul{font-size:15px}.plan .price{font-size:30px;color:var(--purple)}.plan .price small{font-size:12px;color:var(--muted)}.plan .text-link{display:flex;align-items:center;justify-content:center;min-height:48px;border:1px solid #c7d9f7;background:var(--pale);border-radius:9px;font-size:14px;margin-top:18px;padding:8px;text-align:center}
.situation-grid{gap:16px;border:0}.situation-grid>a{padding:24px;border:1px solid var(--line);border-radius:14px;background:white}.situation-grid>a:hover{background:var(--pale);border-color:#acc7f6}.situation-grid>a>span{display:inline-block;background:var(--pale);padding:3px 8px;border-radius:5px}.situation-grid h3{margin:12px 0}.process-columns{gap:24px}.process-columns article{background:white;border:1px solid var(--line);border-radius:16px;padding:26px}.process-columns h3{font-size:22px}.input-check{padding:0;list-style:none;counter-reset:input}.input-check li{position:relative;padding:10px 0 10px 36px;counter-increment:input;border-bottom:1px solid #eef1f6}.input-check li:before{content:counter(input);position:absolute;left:0;top:13px;background:var(--pale);color:var(--purple);width:24px;height:24px;border-radius:50%;text-align:center;font-size:13px;font-weight:700}.input-check b{display:block;font-size:15px}.input-check span{font-size:14px;color:var(--muted)}
.quiet{font-size:13px;line-height:1.65}.faq-band details{padding:0 20px;background:white;border:1px solid var(--line);border-radius:12px}.faq-band details:first-of-type{border-top:1px solid var(--line)}.faq-band details+details{margin-top:10px}.faq-band summary{font-size:17px;font-weight:600;padding:20px 0}.faq-band details p{font-size:16px}.contact-band{background:var(--navy)}.guide-page{background:linear-gradient(180deg,#f2f7ff 0,#fff 420px)}.article-content th{background:var(--pale)}.article-answer{border-color:var(--line);border-left-color:var(--purple);box-shadow:none}
@media(max-width:1050px){.hero-grid{gap:28px;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr)}.hero-copy h1{font-size:43px}.hero-subtitle{font-size:27px}.hero-products{padding:24px}.product-pair{gap:18px;margin:5px 0 18px}.product-pair figure{width:105px}.usim{grid-template-columns:110px minmax(0,1fr);padding:22px;gap:18px}.usim-visual,.usim-visual.lg{width:110px;height:218px}.usim img{max-width:96px;height:185px}.usim h3{font-size:21px}.nav>a:not(.button){font-size:14px}}
@media(max-width:780px){.intro{padding:30px 0}.hero-grid{grid-template-columns:1fr;gap:26px}.hero-copy h1{font-size:38px}.hero-subtitle{font-size:27px}.hero-products{grid-template-columns:1fr 1.2fr;padding:22px}.product-pair{margin:0 0 10px;justify-content:center;gap:20px}.product-pair figure{width:94px}.product-pair img{height:145px}.product-caption>strong{font-size:25px}.jump-nav{overflow:visible}.jump-nav .wrap{width:calc(100% - 36px);min-width:0;min-height:98px;padding:12px 0}.jump-nav a{font-size:13px;gap:7px}.jump-nav svg{width:25px;height:25px}.band{padding:44px 0}.section-head h2{font-size:28px}.section-head>div>p:last-child{font-size:15px}.finder form{gap:26px}.finder-result{align-items:stretch}.finder-result h3{font-size:22px}.route-actions{align-items:stretch}.route-actions .text-link{justify-content:center}.steps{gap:12px}.step-finish{flex-direction:column;align-items:stretch;gap:16px}.usims{gap:16px}.usim{grid-template-columns:140px minmax(0,1fr);padding:24px;gap:24px}.usim-visual,.usim-visual.lg{width:140px;height:238px}.usim img{max-width:112px;height:205px}.situation-grid{gap:12px}.process-columns{gap:16px}.mobile-bar .button{font-size:15px;min-height:48px}}
@media(max-width:420px){.hero-copy h1{font-size:33px}.hero-subtitle{font-size:23px}.hero-copy .button{font-size:14px;padding:12px 8px}.hero-facts dd{font-size:13px}.hero-products{grid-template-columns:.9fr 1.1fr;padding:20px 16px}.product-caption>strong{font-size:23px}.product-caption>span{font-size:11px}.product-pair{gap:12px}.product-pair figure{width:70px}.product-pair img{height:115px}.product-pair figcaption{font-size:10px}.jump-nav a{font-size:12px}.jump-nav svg{width:24px;height:24px}.section-head h2{font-size:26px}.finder form,.finder-result{padding:20px}.steps li{padding:18px 15px}.steps h3{font-size:18px}.steps p{font-size:14px}.usim{grid-template-columns:94px minmax(0,1fr);gap:18px;padding:20px 16px}.usim-visual,.usim-visual.lg{width:94px;height:180px}.usim img{max-width:80px;height:150px}.usim h3{font-size:20px}.usim .purchase-price{font-size:24px}.purchase-price small{display:block}.usim .purchase-info,.usim .check-list li{font-size:13px}.situation-grid>a{padding:22px}.process-columns article{padding:22px}.process-columns h3{font-size:21px}.faq-band summary{font-size:16px}}

/* 1.4.1: open product layout, neutral type, fewer nested panels. */
.service-strip span,.service-strip a{opacity:1}.nav>a:not(.button){color:#202124}.nav>a:hover,.nav>a.current{color:#003eff}
.hero-copy h1{font-size:48px;letter-spacing:-.045em}.hero-subtitle{font-size:27px;line-height:1.45;max-width:460px}.hero-grid{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:48px}.hero-products{display:block;background:transparent;border:0;border-radius:0;box-shadow:none;padding:0 10px}.product-caption>span{padding:0;background:transparent;font-size:12px}.product-caption>strong{font-size:19px;margin:8px 0 22px}.product-pair{justify-content:center;align-items:start;gap:32px;margin:0 0 18px}.product-pair figure,.product-pair figure:first-child,.product-pair figure:last-child{width:150px;transform:none;margin:0}.product-pair img{height:225px;filter:none}.product-pair figcaption{font-size:14px;margin-top:12px}.hero-products>a{border-color:#d9dfef;padding-top:14px}.hero-copy .lead{font-size:16px;color:#555;max-width:530px}
.band{padding:56px 0}.section-head h2{font-size:30px}.section-head .section-kicker{font-size:12px;letter-spacing:0}.section-head>div>p:last-child{font-size:16px}.finder{border:0;border-radius:0;box-shadow:none;overflow:visible}.finder form{padding:24px 0;background:white;gap:28px;border-top:2px solid #242424}.finder fieldset+fieldset{border-left:1px solid var(--line);padding-left:28px}.finder legend{font-size:20px}.finder fieldset>p{font-size:14px}.finder .choice>span{border-radius:6px;min-height:50px;font-size:14px}.finder fieldset:nth-child(2) .choice:last-child{grid-column:1/-1}.finder-result{padding:22px 24px;background:#f5f6f8;border:0;border-radius:6px}.finder-result h3{font-size:22px}.finder.is-ready .finder-result{background:#edf2ff}.route-actions .button{border-radius:6px}.finder-result p{font-size:15px}
.steps{gap:20px 28px}.steps li{padding:18px 0;border:0;border-top:1px solid #d5d7dc;border-radius:0;background:transparent}.step-no{width:auto;height:auto;display:block;text-align:left;background:none;border-radius:0;font-size:14px;margin-bottom:10px}.steps h3{font-size:20px}.step-finish{border-top:1px solid var(--line);padding-top:22px}.usims{gap:42px}.usim{grid-template-columns:160px minmax(0,1fr);padding:20px 0;border:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);border-radius:0;gap:24px}.usim-visual,.usim-visual.lg{width:160px;height:260px;background:none;border-radius:0}.usim-visual img,.usim img{width:auto;max-width:150px;height:245px;max-height:245px}.usim .purchase-price{font-size:26px}.usim .purchase-info{font-size:14px}.usim .check-list{margin:10px 0}.usim .check-list li{font-size:14px}
.plan,.plan:first-child,.plan:nth-child(2),.plan:nth-child(3),.plan:last-child{border-radius:10px}.plan .text-link{border-radius:6px}.situation-grid{gap:0 32px;border-top:1px solid #222}.situation-grid>a{padding:22px 0;border:0;border-bottom:1px solid var(--line);border-radius:0}.situation-grid>a>span{background:none;padding:0}.situation-grid h3{font-size:20px}.situation-grid>a:hover{background:none}.detail-process{background:white;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.process-columns{gap:44px;align-items:start}.process-columns article{padding:0;border:0;border-radius:0;background:none}.process-columns article+article{border-left:1px solid var(--line);padding-left:44px}.process-columns h3{font-size:22px}.auth-providers{max-width:420px;margin:20px 0}.input-check{margin-top:12px}.input-check li{padding-top:8px;padding-bottom:8px}.faq-band details{border:0;border-bottom:1px solid var(--line);border-radius:0;background:transparent;padding:0}.faq-band details:first-of-type{border-top:1px solid var(--line)}.faq-band details+details{margin-top:0}.contact-band{background:#202124}
@media(max-width:1050px){.hero-copy h1{font-size:42px}.hero-subtitle{font-size:25px}.product-pair{gap:20px}.product-pair figure,.product-pair figure:first-child,.product-pair figure:last-child{width:120px}.product-pair img{height:185px}.usims{gap:24px}.usim{grid-template-columns:120px minmax(0,1fr);gap:18px}.usim-visual,.usim-visual.lg{width:120px;height:230px}.usim-visual img,.usim img{max-width:115px;height:210px;max-height:210px}}
@media(max-width:780px){.hero-grid{grid-template-columns:1fr;gap:24px}.hero-copy h1{font-size:36px}.hero-subtitle{font-size:25px;max-width:none;margin-bottom:16px}.hero-products{padding:20px 0 0;border-top:1px solid #d9dfef}.product-caption>strong{font-size:18px;margin-bottom:16px}.product-pair{justify-content:flex-start;gap:32px}.product-pair figure,.product-pair figure:first-child,.product-pair figure:last-child{width:126px}.product-pair img{height:185px}.product-pair figcaption{font-size:13px}.hero-products>a{border:0;padding:0}.band{padding:40px 0}.section-head h2{font-size:27px}.finder form{gap:24px;padding:20px 0}.finder fieldset+fieldset{border-left:0;border-top:1px solid var(--line);padding:20px 0 0}.finder .choice>span{font-size:15px;min-height:52px}.finder-result{padding:20px}.finder legend{font-size:20px}.usim{grid-template-columns:145px minmax(0,1fr);padding:22px 0;gap:22px}.usim-visual,.usim-visual.lg{width:145px;height:235px}.usim-visual img,.usim img{max-width:135px;height:225px;max-height:225px}.process-columns{gap:28px}.process-columns article+article{padding:24px 0 0;border-left:0;border-top:1px solid var(--line)}.auth-providers{max-width:420px}.situation-grid h3{font-size:20px}}
@media(max-width:420px){.hero-copy h1{font-size:32px}.hero-subtitle{font-size:23px}.hero-copy .lead{font-size:15px}.hero-products{padding-top:18px}.product-caption>strong{font-size:17px}.product-pair{justify-content:space-around;gap:20px}.product-pair figure,.product-pair figure:first-child,.product-pair figure:last-child{width:118px}.product-pair img{height:180px}.section-head h2{font-size:25px}.finder-result h3{font-size:21px}.steps{gap:20px}.steps h3{font-size:18px}.usim{grid-template-columns:116px minmax(0,1fr);gap:20px}.usim-visual,.usim-visual.lg{width:116px;height:200px}.usim-visual img,.usim img{max-width:110px;height:190px;max-height:190px}.usim h3{font-size:20px}.usim .purchase-info,.usim .check-list li{font-size:14px}.purchase-price small{display:inline}.process-columns h3{font-size:21px}}
:root{--brand:#003eff}
/* v1.5: one clear opening, four preparation checks, official-source walkthrough. */
.intro .hero-grid{display:block}.intro{background:#f3f6ff;padding:52px 0 36px}.hero-copy{max-width:1000px}.hero-copy h1{font-size:52px;line-height:1.18;letter-spacing:-.055em}.hero-subtitle{max-width:none;font-size:24px;color:#202124;margin:20px 0 12px}.hero-copy .lead{font-size:17px}.hero-facts{max-width:820px;margin-top:28px}.hero-copy>.quiet{max-width:820px;font-size:12px}
.finder form{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 40px}.finder fieldset+fieldset{border:0;padding:0}.finder fieldset:nth-child(even){border-left:1px solid var(--line);padding-left:40px}.finder fieldset:nth-child(n+3){padding-top:20px;border-top:1px solid var(--line)}.finder .choice-options{grid-template-columns:repeat(2,minmax(0,1fr))}.finder fieldset:first-child .choice:first-child{grid-column:1/-1}.finder fieldset:nth-child(2) .choice:last-child{grid-column:auto}.finder .choice>span{width:100%;font-size:15px}.finder .line-check .choice-options{grid-template-columns:1fr 1.5fr}.steps{grid-template-columns:repeat(4,minmax(0,1fr))}.steps li{padding:20px 10px 20px 0}.steps h3{font-size:20px}.plan-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.plan{padding:24px 20px}.plan h3{font-size:20px}.plan .data{font-size:25px;min-height:84px}.plan .data small{display:block;font-size:14px;font-weight:500;margin-top:8px}.plan .price{font-size:27px}.plan .price small{display:block;font-size:12px}.plan .button{font-size:14px;display:flex;margin-top:16px;padding:12px 8px}.walkthrough{border-top:2px solid #202124}.walkthrough details{border:0;border-bottom:1px solid var(--line);border-radius:0;background:transparent;margin:0;padding:0}.walkthrough summary{padding:22px 0;font-size:20px;display:flex;align-items:center;gap:18px}.walkthrough summary>span{font-size:14px;color:#003eff;font-weight:700}.walkthrough summary:after{margin-left:auto}.walk-body{padding:0 38px 24px;max-width:960px}.walk-body p{margin:0 0 14px;font-size:16px;color:#45484e;line-height:1.8}.walk-body li{margin:8px 0}.walk-body a{color:#003eff;font-weight:600}.face-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;padding:0;list-style-position:inside}.face-flow li{background:#edf2ff;padding:14px;border-radius:6px;font-size:15px}.auth-names{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}.auth-names span{border:1px solid #d7dce7;padding:8px 16px;border-radius:6px;font-weight:600}.walk-body .quiet{font-size:13px;margin-top:16px}
@media(max-width:1050px){.plan-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.plan .data{min-height:0}}
@media(max-width:780px){.intro{padding:32px 0 24px}.hero-copy h1{font-size:38px}.hero-subtitle{font-size:21px}.finder form{grid-template-columns:1fr;gap:20px}.finder fieldset:nth-child(even),.finder fieldset:nth-child(n+3){border-left:0;border-top:1px solid var(--line);padding:20px 0 0}.steps{grid-template-columns:repeat(2,minmax(0,1fr))}.walkthrough summary{font-size:18px;gap:10px;padding:20px 0}.walk-body{padding:0 0 22px}.face-flow{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-facts{margin-top:24px}.plan{padding:22px 18px}}
@media(max-width:480px){.hero-copy h1{font-size:35px}.hero-subtitle{font-size:19px}.hero-copy .lead{font-size:16px}.plan-grid{grid-template-columns:1fr}.plan .data{font-size:28px}.plan .price small{display:inline}.steps h3{font-size:18px}.steps li{padding-right:8px}.steps p{font-size:14px}}
.hero-copy{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);column-gap:56px;max-width:none;align-items:center}.hero-message{min-width:0}.hero-start{border-left:1px solid #d9e1f5;padding-left:40px}.hero-copy .hero-facts,.hero-copy>.quiet{grid-column:1/-1;max-width:none;width:100%}.hero-copy .hero-facts{margin-bottom:4px}.hero-copy>.quiet{margin:8px 0 0}.hero-copy .hero-subtitle{font-size:21px}.hero-start .actions{margin-top:22px}
@media(max-width:780px){.hero-copy{display:block}.hero-start{border:0;padding:0}.hero-copy .hero-subtitle{font-size:19px}.hero-copy>.quiet{margin-top:12px}}