:root{--bg:#F5F8FC;--ink:#263748;--muted:#657789;--title:#102033;--brand:#3B82F6;--deep:#172B4D;--ice:#38BDF8;--cyan:#22D3C5;--line:rgba(59,130,246,.14);--shadow:0 20px 50px rgba(29,78,119,.10);--nav:rgba(10,24,42,.94);--footer:#0C1B2A}
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.site-header{position:sticky;top:0;width:100%;z-index:9999;background:var(--nav);backdrop-filter:blur(16px);box-shadow:0 8px 28px rgba(10,35,60,.12);border-bottom:1px solid rgba(255,255,255,.08)}
.header-inner{width:min(1280px,calc(100% - 36px));min-height:72px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:18px}.site-logo,.drawer-brand,.footer-logo{display:flex;align-items:center;gap:10px}.site-logo img{width:42px;max-height:44px;object-fit:contain}.site-logo strong{color:#fff;letter-spacing:.04em;font-size:18px}
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.site-main{min-height:60vh}.container{width:min(1200px,calc(100% - 40px));margin:0 auto}.narrow{width:min(900px,calc(100% - 40px));margin:0 auto}.section{padding:84px 0}.section.compact{padding:58px 0}.section-tint{background:linear-gradient(135deg,#EEF7FF,#F7FBFF 55%,#E8FCFA)}.section-deep{background:linear-gradient(135deg,#10253B,#163551);color:#EAF4FF}
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.hero{position:relative;overflow:hidden;padding:72px 0 64px;background:radial-gradient(circle at 82% 18%,rgba(56,189,248,.25),transparent 28%),radial-gradient(circle at 8% 70%,rgba(34,211,197,.16),transparent 30%),linear-gradient(135deg,#FCFEFF,#EEF7FF 52%,#F4F3FF)}.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(37,99,235,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(37,99,235,.035) 1px,transparent 1px);background-size:34px 34px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 88%)}
.hero-grid{position:relative;display:grid;grid-template-columns:1.03fr .97fr;align-items:center;gap:54px}.hero-copy{position:relative;z-index:2}.hero-copy h1 span{display:block;background:linear-gradient(135deg,#172B4D,#2563EB 58%,#16A5B7);-webkit-background-clip:text;color:transparent}.hero-copy .intro{max-width:680px;color:#50677B;font-size:16px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 24px}.hero-points{display:flex;gap:10px;flex-wrap:wrap}.hero-points span{padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.72);font-size:13px;color:#31536E}.hero-visual{position:relative;min-height:510px;display:grid;place-items:center}.hero-visual .hero-img{width:min(100%,620px);max-height:510px;object-fit:contain;border-radius:30px;filter:drop-shadow(0 25px 45px rgba(31,78,116,.18))}.hero-float{position:absolute;background:rgba(255,255,255,.78);border:1px solid rgba(255,255,255,.85);backdrop-filter:blur(14px);border-radius:18px;box-shadow:var(--shadow);padding:12px;width:190px}.hero-float img{border-radius:12px;max-height:150px;object-fit:contain;margin:auto}.hero-float.one{left:-18px;bottom:30px}.hero-float.two{right:-18px;top:34px}
.service-strip-inner{display:grid;grid-template-columns:repeat(4,1fr);background:rgba(255,255,255,.88);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);overflow:hidden}.strip-item{padding:22px}.strip-item+.strip-item{border-left:1px solid #e8f0f7}.strip-num{font-size:12px;color:#0284C7;font-weight:800;letter-spacing:.1em}.strip-item h3{font-size:17px;margin:5px 0}.strip-item p{font-size:13px;color:var(--muted);margin:0}
.quick-channels{display:flex;gap:10px;flex-wrap:wrap}.quick-pill{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:rgba(255,255,255,.82);padding:10px 14px;border-radius:999px;color:#35506a;font-size:14px}.quick-pill strong{color:#1d4f91}
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.editorial-list{display:grid;gap:12px}.editorial-item{display:grid;grid-template-columns:56px 1fr;gap:14px;padding:16px 0;border-bottom:1px solid #dfeaf4}.editorial-item .num{font-size:13px;color:#0284C7;font-weight:800}.editorial-item p{margin:4px 0 0;color:var(--muted)}
.duo{display:grid;grid-template-columns:1fr 1fr;gap:22px}.zone-card,.info-card,.review-card,.number-card,.topic,.help-card{background:rgba(255,255,255,.90);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:22px}.zone-card{overflow:hidden}.zone-card .zone-body{padding:28px}.zone-card.blue{background:#EEF7FF}.zone-card.mint{background:#E8FCFA}.zone-card.deep{background:#12253A;color:#DCEAF7}.zone-card.deep h3{color:#fff}.zone-card img{width:100%;max-height:340px;object-fit:contain;background:rgba(255,255,255,.42)}.service-points{display:grid;gap:10px;margin-top:18px}.service-points div{display:flex;gap:10px;align-items:flex-start}.service-points i{font-style:normal;width:26px;height:26px;border-radius:50%;background:rgba(37,99,235,.10);color:#2563EB;display:grid;place-items:center;flex:0 0 26px;font-size:12px}
.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.info-card{padding:24px}.info-card img{max-height:220px;margin:0 auto 18px;border-radius:18px;object-fit:contain}.timeline{display:grid;gap:13px}.timeline-item{display:grid;grid-template-columns:72px 1fr;gap:12px}.timeline-item time{font-weight:800;color:#2563EB}.timeline-item div{padding-bottom:12px;border-bottom:1px solid #e4edf6}.safety-card{padding:30px;border-radius:26px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}.safety-card img{max-height:300px;object-fit:contain;margin:0 auto 20px}
.review-wall{columns:3;column-gap:18px}.review-card{break-inside:avoid;padding:22px;margin:0 0 18px}.review-card .quote{font-size:28px;line-height:1;color:#38BDF8}.review-card p{margin:.6em 0}.review-card span{font-size:13px;color:var(--muted)}.faq-list{display:grid;gap:12px}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:0 20px;box-shadow:0 12px 30px rgba(29,78,119,.06)}.faq-list summary{cursor:pointer;padding:18px 36px 18px 0;font-weight:800;color:#17334e;list-style:none;position:relative}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"＋";position:absolute;right:0;top:17px;color:#3B82F6}.faq-list details[open] summary:after{content:"－"}.faq-list details p{padding:0 0 18px;color:#587083}
.callout{border-radius:28px;padding:34px;background:linear-gradient(135deg,#172B4D,#164460);color:#EAF4FF;display:grid;grid-template-columns:1fr auto;gap:26px;align-items:center}.callout h2,.callout h3{color:#fff;margin-top:0}.callout p{color:#C7DAE8;margin-bottom:0}.callout .ghost-btn{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.28)}
.page-hero{padding:68px 0;background:radial-gradient(circle at 85% 0,rgba(56,189,248,.22),transparent 30%),linear-gradient(135deg,#FCFEFF,#EEF7FF 62%,#F4FBFB)}.page-hero-grid{display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:50px}.page-hero h1{font-size:clamp(38px,5vw,64px)}.page-hero p{font-size:17px;color:#587083}.page-hero img{max-height:430px;object-fit:contain;margin:auto;border-radius:28px;filter:drop-shadow(0 22px 42px rgba(23,67,106,.16))}
.number-grid,.date-board,.help-categories,.service-map{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.number-card{padding:26px;border-top:3px solid #38BDF8}.number-card b{font-size:12px;color:#0284C7;letter-spacing:.1em}.feed{display:grid;gap:14px}.feed-row{display:grid;grid-template-columns:140px 1fr;gap:24px;padding:20px;border-radius:20px;background:#fff;border:1px solid var(--line)}.feed-row img{width:140px;max-height:105px;object-fit:contain;border-radius:16px;background:#F0F7FC}
.profile-panel{display:grid;grid-template-columns:320px 1fr;gap:36px;align-items:start}.profile-panel>img{border-radius:28px;max-height:520px;object-fit:contain;background:#E9F5FF}.profile-meta{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.profile-meta div{padding:17px;border-radius:18px;background:#fff;border:1px solid var(--line)}.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}.tag-cloud span{padding:9px 13px;border-radius:999px;background:#E9F5FF;color:#2563EB}
.logic-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.logic-step{position:relative;padding:24px 20px;border-radius:20px;background:#fff;border:1px solid var(--line)}.logic-step:not(:last-child):after{content:"→";position:absolute;right:-13px;top:50%;color:#38BDF8;font-weight:900}
.message-stage{display:grid;grid-template-columns:.92fr 1.08fr;gap:34px;align-items:center}.message-bubbles{padding:28px;border-radius:28px;background:#12253A;box-shadow:var(--shadow)}.bubble{max-width:82%;padding:13px 15px;border-radius:16px;margin:10px 0;background:#fff;color:#28445c}.bubble.self{margin-left:auto;background:#DDF7FA}
.topic-board{display:grid;grid-template-columns:1.15fr .85fr;gap:26px}.topic-list{display:grid;gap:12px}.topic{padding:18px}.topic strong{display:flex;justify-content:space-between}.editorial-hero{display:grid;grid-template-columns:1.3fr .7fr;gap:18px}.editorial-feature{padding:28px;border-radius:28px;background:#12253A;color:#dceaf7}.editorial-feature h2{color:#fff}.editorial-side{display:grid;gap:18px}.date-card{padding:22px;border-radius:20px;background:#fff;border:1px solid var(--line)}.date-card time{font-size:29px;font-weight:900;color:#2563EB}
.product-stage{display:grid;grid-template-columns:.85fr 1.15fr;gap:50px;align-items:center}.product-stage img{max-height:620px;object-fit:contain;margin:auto}.feature-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}.feature-list article{padding:19px;border-radius:18px;background:#fff;border:1px solid var(--line)}.guide-steps{counter-reset:step;display:grid;gap:14px}.guide-step{counter-increment:step;display:grid;grid-template-columns:64px 1fr;gap:18px;align-items:start;padding:20px;border-radius:20px;background:#fff;border:1px solid var(--line)}.guide-step:before{content:counter(step,decimal-leading-zero);width:52px;height:52px;display:grid;place-items:center;border-radius:16px;background:#E9F5FF;color:#2563EB;font-weight:900}
.security-matrix,.responsible-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.security-matrix article,.responsible-grid article{padding:24px;border-radius:22px;background:#fff;border:1px solid var(--line)}.privacy-layers{display:grid}.privacy-layer{padding:22px 26px;border-radius:22px;margin-top:-7px;border:1px solid rgba(37,99,235,.12);background:rgba(255,255,255,.88);box-shadow:0 14px 30px rgba(29,78,119,.06)}.help-card,.service-map article{padding:23px}.contact-flow{display:grid;grid-template-columns:.9fr 1.1fr;gap:30px;align-items:start}.contact-types{display:grid;gap:12px}.contact-types article{padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line)}
.story-line{position:relative;padding-left:32px}.story-line:before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:linear-gradient(#38BDF8,#22D3C5)}.story-node{position:relative;padding:0 0 26px 18px}.story-node:before{content:"";position:absolute;left:-30px;top:7px;width:12px;height:12px;border-radius:50%;background:#3B82F6;box-shadow:0 0 0 6px #E9F5FF}.text-link{font-weight:800}
.site-footer{background:#0C1B2A;color:#EAF4FF;padding:62px 0 24px}.footer-grid{width:min(1200px,calc(100% - 40px));margin:0 auto;display:grid;grid-template-columns:1.45fr 1fr 1fr 1fr;gap:34px}.site-footer h2{font-size:15px;color:#fff;margin:0 0 14px}.site-footer a{display:block;color:#C9D9E6;margin:7px 0;font-size:14px}.footer-brand p{color:#9FB6C8;max-width:360px}.footer-logo img{width:42px}.footer-logo span{color:#fff;font-weight:800;font-size:19px}.footer-bottom{width:min(1200px,calc(100% - 40px));margin:36px auto 0;padding-top:22px;border-top:1px solid rgba(255,255,255,.09);display:flex;justify-content:space-between;gap:20px;color:#8EADBF;font-size:13px}.footer-bottom p{margin:0}.mobile-bottom-nav{display:none}
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@media(max-width:480px){.service-strip-inner{grid-template-columns:1fr}.strip-item+.strip-item{border-left:0;border-top:1px solid #e8f0f7}.footer-grid{grid-template-columns:1fr}h1{font-size:42px}.page-hero h1{font-size:38px}}