:root{--ink:#192333;--muted:#526478;--paper:#fff;--line:#e1e5ec;--accent:#3459e6;--surface:#f5f7fa;--radius:12px}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Pretendard,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:16px;line-height:1.75;letter-spacing:-.025em}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button,a,input,select{touch-action:manipulation}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--accent);outline-offset:4px}
button{cursor:pointer}
button:disabled{cursor:not-allowed;opacity:.55}
h1,h2,h3{line-height:1.4;overflow-wrap:anywhere}
p{overflow-wrap:anywhere}
.header{max-width:1240px;margin:auto;padding:24px 40px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:20px}
.brand{display:flex;align-items:center;font-size:28px;font-weight:800;letter-spacing:-1.3px;line-height:1}
.brand-dot{color:var(--accent)}
.mark{position:relative;display:inline-grid;place-items:center;width:34px;height:34px;background:var(--ink);color:#fff;border-radius:5px;font-size:31px;margin-right:10px;padding-bottom:7px}
.mark span{position:absolute;right:4px;top:5px;background:white;width:5px;height:5px;border-radius:50%}
nav{display:flex;gap:28px;align-items:center;font-size:14px;font-weight:600}
.nav-account{border:1px solid var(--line);padding:8px 16px;border-radius:4px}
.nav-account span{padding-left:12px}
a:hover{color:var(--accent)}
.hero{max-width:1240px;margin:auto;display:grid;grid-template-columns:1.2fr 1fr;gap:64px;padding:88px 40px 84px;align-items:center}
.eyebrow{display:block;font-size:11px;letter-spacing:.12em;font-weight:700;color:var(--accent)}
.hero .eyebrow{font-size:12px;letter-spacing:.04em}
.hero h1{font-size:clamp(36px,3.8vw,50px);font-weight:750;letter-spacing:-.055em;line-height:1.35;margin:22px 0}
.lead{color:var(--muted);font-size:16px;line-height:1.9;margin:0 0 28px}
.button{display:flex;justify-content:space-between;align-items:center;gap:28px;width:fit-content;border:1px solid transparent;border-radius:4px;background:var(--ink);color:white;padding:14px 21px;font-size:14px;font-weight:600}
.button:hover{background:var(--accent);color:white}
.button span{font-size:20px;line-height:1}
.hero-note{font-size:12px;color:var(--muted);margin-top:16px}
.catalog-section{max-width:1240px;margin:auto;padding:52px 40px 64px;border-top:1px solid var(--line)}
.section-heading{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:28px}
.section-heading h2{font-size:28px;margin:8px 0 0}
.section-heading>a{font-size:13px;white-space:nowrap}
.card-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.alert-card,.coming-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius);padding:28px;background:white;transition:border-color .15s,background .15s}
.alert-card:hover{border-color:var(--accent);background:#f8fafc;color:var(--ink)}
.card-top{display:flex;justify-content:space-between;align-items:center}
.topic-icon{background:#eaf0f7;color:var(--accent);border-radius:4px;width:40px;height:40px;display:inline-grid;place-items:center;font-size:24px}
.badge{font-size:11px;display:inline-block;padding:3px 9px;border:1px solid var(--line);border-radius:3px;background:#f2f5f9;color:var(--muted);line-height:1.8}
.card-grid h3{font-size:21px;margin:22px 0 9px}
.card-grid p{font-size:14px;color:var(--muted);line-height:1.85;margin:0 0 12px}
.card-bottom{margin-top:auto;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:12px;color:var(--muted);font-size:12px}
.round-arrow{color:var(--accent);font-size:20px}
.how{padding:52px 40px 72px;max-width:1240px;margin:auto;display:grid;grid-template-columns:1fr 1fr;gap:64px;border-top:1px solid var(--line)}
.how h2{font-size:30px;margin:16px 0}
.how .lead{font-size:14px}
.how ol{margin:0;padding:0;list-style:none}
.how li{display:flex;gap:24px;padding:20px 0;border-bottom:1px solid var(--line)}
.how li>span{font-size:12px;color:var(--accent);font-weight:700;padding-top:3px}
.how h3{font-size:16px;margin:0}
.how p{font-size:13px;color:var(--muted);margin:7px 0 0}
footer{border-top:1px solid var(--line);padding:30px 40px;max-width:1240px;margin:auto;display:flex;gap:22px;align-items:center;font-size:12px;color:var(--muted)}
.brand.small{font-size:22px;color:var(--ink)}
footer p{margin:0}
footer div{margin-left:auto;display:flex;gap:20px}
.page-intro,.policy{max-width:1160px;padding:56px 0 80px;margin:auto;min-height:65vh}
.page-intro h1,.detail-header h1,.auth-box h1,.policy h1{font-size:38px;letter-spacing:-.045em;margin:16px 0 22px}
.category-nav{padding:4px 0 28px;flex-wrap:wrap;gap:12px}
.category-nav>a{font-size:13px;padding:7px 14px;border:1px solid var(--line);border-radius:3px}
.filter-chip{display:inline-flex;background:var(--ink);color:white}
.filter-chip:hover{color:white;background:var(--accent)}
.detail-header{max-width:1160px;margin:auto;padding:32px 0 20px}
.back{display:block;font-size:13px;color:var(--muted);margin-bottom:30px}
.detail-header h1{font-size:42px}
.detail-grid{max-width:1160px;margin:0 auto 80px;display:grid;grid-template-columns:1.3fr 1fr;gap:64px}
.explanation h2{font-size:21px;margin:25px 0 12px}
.explanation p,.feature-list{font-size:14px;color:var(--muted)}
.feature-list{padding-left:20px;line-height:2.1}
.info-panel{padding:25px;background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:3px;margin:30px 0}
.info-panel h3{font-size:20px;margin:14px 0}
.text-link{font-size:13px;color:var(--accent);text-decoration:underline;text-underline-offset:4px}
.data-status{font-size:12px!important;margin-top:25px;padding-top:16px;border-top:1px solid var(--line)}
.subscribe-box,.auth-box,.manage-card{border:1px solid var(--line);border-radius:var(--radius);padding:30px;background:white;height:fit-content;min-width:0}
.subscribe-box{border-top:3px solid var(--ink)}
.subscribe-box h2{font-size:23px;margin:10px 0}
.subscribe-box>p,.auth-box>p{font-size:14px;color:var(--muted)}
.subscribe-box form{margin-top:25px}
label{display:block;font-size:13px;font-weight:600;margin:18px 0 8px}
label span{font-weight:400;color:var(--muted)}
input:not([type=checkbox]),select{display:block;width:100%;min-width:0;padding:12px 14px;background:#fff;border:1px solid #aebdcd;border-radius:4px;color:var(--ink)}
input:disabled{background:var(--surface);color:var(--muted);opacity:1}
.rate-input{position:relative}
.rate-input input{font-size:23px;font-weight:600;padding-right:50px}
.rate-input>span{position:absolute;right:18px;top:12px;color:var(--muted)}
.consent{display:flex;align-items:start;gap:9px;font-weight:400;font-size:12px;line-height:1.8}
.consent input{margin:5px 0 0;accent-color:var(--ink);flex-shrink:0}
.consent a{text-decoration:underline}
.subscribe-box .button,.auth-box .button,.manage-card .button{width:100%;margin-top:23px}
.fine{font-size:12px!important;color:var(--muted)!important}
.notice{background:#fff9ec;border:1px solid #decca5;padding:14px 17px;border-radius:4px;font-size:13px;color:#6d5222;margin:20px 0}
.auth-box{max-width:520px;margin:72px auto 100px;padding:36px}
.auth-box h1{font-size:29px}
.manage-card{width:100%;margin:0}
.page-intro>.card-grid{margin:24px 0}
.manage-card h2{margin:16px 0}
.history{font-size:13px;max-width:720px}
.history p{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);padding:12px 0}
.history span{color:var(--muted);max-width:75%}
.account-actions{display:flex;gap:25px;margin-top:40px}
.text-button{border:0;background:none;text-decoration:underline;font-size:13px;color:var(--muted);padding:0}
.policy{max-width:750px}
.policy h2{font-size:20px;margin:30px 0 10px}
.policy p{font-size:14px;color:var(--muted)}
.admin-page{max-width:1160px;margin:45px auto 80px}
.admin-page h1{font-size:36px;margin:0}
.admin-page h2{margin:42px 0 18px;scroll-margin-top:25px}
.admin-page h3{margin-top:30px}
.admin-nav{display:flex;gap:22px;flex-wrap:wrap;padding:15px 0;border-bottom:1px solid var(--line)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-top:25px}
.stats>div{border:1px solid var(--line);border-radius:4px;background:var(--surface);padding:18px;font-size:13px}
.stats strong{display:block;font-size:28px}
.checklist{display:flex;flex-wrap:wrap;gap:14px 28px;list-style:none;padding:0;font-size:13px}
.table-scroll{overflow:auto;margin-top:20px}
table{border-collapse:collapse;width:100%;font-size:12px;text-align:left}
th,td{padding:12px 10px;border-bottom:1px solid var(--line);vertical-align:top;max-width:350px;overflow-wrap:anywhere}
th{white-space:nowrap;background:var(--surface)}
td .button{padding:6px 12px;white-space:nowrap;font-size:11px}
.admin-form{max-width:650px;padding:15px 0 25px}
.admin-page>form{max-width:650px}
textarea{display:block;width:100%;min-height:110px;padding:12px;border:1px solid #aebdcd;border-radius:4px;color:var(--ink);background:#fff}
.admin-page details,.delete-account{border:1px solid var(--line);border-radius:4px;padding:16px 20px;margin:14px 0;background:white}
summary{cursor:pointer;font-size:14px;font-weight:600}
.delete-account{max-width:650px;margin-top:40px}
.delete-account p{font-size:13px;color:var(--muted)}

@media(max-width:1000px){.hero{gap:32px;padding:64px 32px}
.hero h1{font-size:39px}
.service-panel{padding:24px}
.header{padding:22px 32px}
.page-intro,.detail-header,.detail-grid{margin-left:32px;margin-right:32px}
.detail-grid{gap:32px}
.policy{padding:48px 32px}
.admin-page{margin:35px 32px}
footer{flex-wrap:wrap}
footer div{margin-left:0}
.how{gap:32px}
}

@media(max-width:650px){body{font-size:15px}
.header{padding:19px 20px;gap:14px;flex-wrap:wrap}
.brand{font-size:24px}
.mark{width:29px;height:29px;font-size:27px}
.header nav{gap:16px;font-size:12px;margin-left:auto}
.nav-account{padding:6px 10px}
.nav-account span{display:none}
.hero{grid-template-columns:1fr;padding:42px 24px;gap:28px}
.hero h1{font-size:36px}
.hero .lead{font-size:15px}
.service-panel{padding:22px}
.service-panel h2{font-size:23px}
.service-facts>div{grid-template-columns:75px 1fr}
.catalog-section{padding:36px 24px}
.section-heading h2{font-size:23px}
.section-heading>a{font-size:12px}
.card-grid{grid-template-columns:1fr;gap:16px}
.alert-card,.coming-card{padding:24px}
.how{grid-template-columns:1fr;padding:36px 24px 48px;gap:8px}
.how h2{font-size:26px}
.how h2 br{display:block}
footer{padding:28px 24px;gap:16px}
footer p{flex:1;min-width:180px}
footer div{width:100%;flex-wrap:wrap;gap:16px}
footer>span{margin-left:auto}
.page-intro,.detail-header{margin:0;padding:36px 24px}
.page-intro h1,.detail-header h1{font-size:31px}
.page-intro .lead,.detail-header .lead{font-size:14px}
.detail-grid{grid-template-columns:1fr;margin:0 24px 60px;gap:22px}
.subscribe-box{grid-row:1;padding:24px}
.auth-box{margin:40px 20px 64px;padding:26px}
.auth-box h1{font-size:27px}
.policy{padding:36px 24px}
.policy h1{font-size:31px}
.account-actions{flex-wrap:wrap}
.admin-page{margin:30px 20px}
.stats{grid-template-columns:1fr 1fr}
.admin-page h1{font-size:30px}
.admin-nav{gap:18px}
.admin-page details{padding:15px}
.history p{font-size:12px}
.table-scroll{margin-right:-5px}
}

@media(prefers-reduced-motion:reduce){*{transition:none!important}
}

/* Editorial product direction: strong typography, quiet surfaces, cobalt signals. */
body{background:#fcfcfd;letter-spacing:-.035em}
.header{max-width:1280px;padding:28px 48px;border-bottom:0}
.mark{background:var(--accent);border-radius:8px}
.brand{letter-spacing:-1.6px;font-size:29px}
.nav-account{border-color:var(--ink);border-radius:6px}
.hero{max-width:1280px;grid-template-columns:1.15fr 1fr;gap:72px;padding:72px 48px 76px;align-items:center}
.hero .eyebrow{font-size:10px;letter-spacing:.17em;display:flex;align-items:center;gap:12px;color:var(--muted)}
.hero-rule{width:26px;height:2px;background:var(--accent)}
.hero h1{font-size:clamp(48px,5.3vw,72px);line-height:1.19;letter-spacing:-.075em;margin:27px 0 28px;font-weight:780}
.hero-accent{color:var(--accent)}
.hero .lead{font-size:16px;line-height:1.85}
.hero-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:32px}
.hero-actions>span{font-size:12px;color:var(--muted)}
.button{border-radius:6px;padding:15px 22px;background:var(--accent)}
.button:hover{background:#243fb3}
.signal-panel{background:#182337;color:#fff;padding:30px 28px 24px;border-radius:16px;box-shadow:0 24px 60px -32px #18233780;position:relative}
.signal-topline{display:flex;justify-content:space-between;gap:12px;color:#bdc8df;font-size:10px;letter-spacing:.15em;border-bottom:1px solid #ffffff26;padding-bottom:18px}
.signal-heading{display:flex;align-items:center;gap:18px;margin:27px 0}
.signal-glyph{font-size:43px;color:#92adff;line-height:1}
.signal-heading h2{font-size:23px;letter-spacing:-.04em;margin:0;font-weight:550;line-height:1.5}
.signal-example{background:white;color:var(--ink);border-radius:10px;padding:24px}
.example-label{display:flex;justify-content:space-between;gap:12px;font-size:11px;color:var(--accent)}
.example-label>span:last-child{color:var(--muted);font-size:10px}
.signal-example h3{font-size:16px;margin:23px 0 14px;font-weight:600}
.rate-comparison{display:flex;align-items:center;gap:14px;letter-spacing:-.04em;white-space:nowrap}
.rate-comparison>span:first-child{font-size:23px;color:#778396}
.rate-comparison>span:nth-child(2){color:#a3adbc;font-size:20px}
.rate-comparison strong{font-size:34px;color:var(--accent);font-weight:650}
.rate-comparison small{font-size:.55em;margin-left:2px}
.signal-example>p{font-size:12px;color:var(--muted);margin:12px 0 23px}
.example-foot{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:16px;font-size:10px;color:var(--muted)}
.example-foot>span:last-child{color:var(--accent)}
.signal-detail{display:flex;justify-content:space-between;gap:10px;font-size:11px;color:#dbe3f3;margin-top:23px}
.signal-detail span:before{content:'✓';color:#92adff;margin-right:7px}
.signal-disclaimer{font-size:10px;color:#b7c4db;line-height:1.8;margin:16px 0 0}
.principles{max-width:1184px;margin:0 auto 40px;display:grid;grid-template-columns:repeat(3,1fr);border-block:1px solid var(--line);padding:27px 0}
.principles>div{display:flex;align-items:start;gap:20px;padding:0 30px;border-right:1px solid var(--line)}
.principles>div:first-child{padding-left:0}.principles>div:last-child{border-right:0}
.principles>div>span{font-size:10px;color:var(--accent);padding-top:5px;font-weight:700}
.principles p{font-size:12px;color:var(--muted);margin:0}
.principles strong{display:block;font-size:14px;color:var(--ink);font-weight:600;margin-top:4px}
.catalog-section{max-width:1280px;padding:56px 48px 76px;border-top:0}
.section-heading{margin-bottom:32px;align-items:end}
.section-heading h2{font-size:38px;line-height:1.35;letter-spacing:-.055em;margin-top:15px}
.section-link{display:flex;align-items:center;gap:24px;padding-bottom:5px}
.section-link span{font-size:23px;color:var(--accent)}
.card-grid{gap:20px}
.alert-card{padding:30px;border-radius:12px;transition:background .18s,border-color .18s,box-shadow .18s}
.alert-card:hover{background:#fff;border-color:#a7b7f1;box-shadow:0 12px 28px -20px #28448366}
.topic-icon{background:transparent;border:1px solid #dfe6fa;border-radius:9px;width:43px;height:43px}
.badge{border:0;background:#f0f2f6;border-radius:4px;padding:4px 10px;font-size:10px}
.card-grid h3{font-size:23px;font-weight:650;letter-spacing:-.045em;margin:25px 0 12px}
.card-grid p{font-size:14px;line-height:1.85;margin-bottom:24px}
.card-bottom{font-size:11px;padding-top:17px}
.how{max-width:1184px;padding:55px 0 76px;gap:72px}
.how h2{font-size:34px;line-height:1.4;letter-spacing:-.05em}
.how li{padding:22px 0}.how li:first-child{padding-top:0}
footer{max-width:1280px;padding:34px 48px 40px}
.subscribe-box{border-top:1px solid var(--line);box-shadow:0 12px 40px -25px #22344d40}
.info-panel{border-radius:10px;background:#f1f4fc;border:1px solid #dfe6fa}
.auth-box{box-shadow:0 18px 48px -32px #22344d55;border-radius:14px}
.category-nav>a{border-radius:6px}.filter-chip{background:var(--accent)}
@media(max-width:1200px){.principles,.how{margin-left:40px;margin-right:40px}.hero{gap:40px}.hero h1{font-size:60px}}
@media(max-width:1000px){.header{padding:24px 32px}.hero{padding:56px 32px 64px;gap:30px}.hero h1{font-size:49px}.signal-panel{padding:24px 20px}.signal-example{padding:20px}.rate-comparison{gap:10px}.rate-comparison strong{font-size:29px}.rate-comparison>span:first-child{font-size:21px}.principles>div{padding:0 20px;gap:12px}.principles strong{font-size:12px}.catalog-section{padding:40px 32px 60px}.how{gap:36px}.how h2{font-size:29px}}
@media(max-width:650px){.header{padding:22px 22px;gap:12px}.brand{font-size:26px}.header nav{font-size:11px;gap:14px}.hero{grid-template-columns:1fr;padding:42px 24px 40px;gap:36px}.hero h1{font-size:56px;line-height:1.16;margin:24px 0}.hero .lead{font-size:14px}.hero-actions{gap:16px;margin-top:26px}.hero-actions>span{font-size:11px}.signal-panel{padding:25px 23px 23px;border-radius:14px}.signal-heading h2{font-size:22px}.signal-example{padding:22px}.rate-comparison strong{font-size:32px}.signal-detail{font-size:10px}.principles{margin:0 24px 12px;padding:8px 0;grid-template-columns:1fr}.principles>div,.principles>div:first-child{padding:15px 0;gap:18px;border-right:0;border-bottom:1px solid var(--line)}.principles>div:last-child{border-bottom:0}.principles p{display:flex;flex-wrap:wrap;align-items:center;gap:5px 12px}.principles strong{font-size:12px;margin-top:0}.catalog-section{padding:40px 24px 50px}.section-heading h2{font-size:30px}.section-heading>a{font-size:11px}.section-link{gap:10px}.section-link span{font-size:20px}.alert-card{padding:25px}.card-grid h3{font-size:21px}.how{margin:0 24px;padding:40px 0 50px;gap:20px}.how h2{font-size:29px}.how li:first-child{padding-top:15px}footer{padding:30px 24px}.auth-box{padding:26px}.detail-header h1{font-size:31px}}
@media(max-width:360px){.hero h1{font-size:48px}.signal-panel{padding:21px 17px}.signal-example{padding:18px}.rate-comparison strong{font-size:28px}.signal-detail{flex-direction:column;gap:6px}.section-heading{align-items:start}.section-heading>a{max-width:90px;white-space:normal}}