:root{--blue:#1478F2;--bright:#2F8CFF;--deep:#075DC9;--dark:#084A9C;--soft:#D9EAFE;--ink:#172033;--text:#3E4859;--muted:#6F7A89;--faint:#98A1AF;--bg:#fff;--bg2:#F7FAFF;--bg3:#EDF5FF;--gray:#F5F6F8;--line:rgba(20,120,242,.12);--gline:rgba(30,50,70,.08);--shadow:0 14px 38px rgba(21,67,118,.08);--bshadow:0 16px 42px rgba(20,120,242,.15);--radius:18px;--nav:74px;--shell:1280px}
*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:#fff;color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}button,input{font:inherit}button{cursor:pointer}.shell{width:min(calc(100% - 40px),var(--shell));margin-inline:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;left:16px;top:-80px;z-index:999;background:#fff;color:var(--blue);padding:10px 14px;border-radius:10px;box-shadow:var(--shadow)}.skip-link:focus{top:12px}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(20,120,242,.3);outline-offset:3px}
.site-header{position:sticky;top:0;z-index:120;height:var(--nav);background:rgba(255,255,255,.95);backdrop-filter:blur(14px);border-bottom:1px solid var(--gline)}.desktop-nav{height:100%;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:22px}.brand{display:flex;align-items:center;gap:10px;min-width:210px}.brand img{width:118px;max-height:42px;object-fit:contain}.brand-text{font-size:21px;font-weight:900;color:var(--blue)}.brand-tag{font-size:12px;color:var(--dark);background:var(--bg3);padding:5px 8px;border-radius:999px;white-space:nowrap}.main-nav{display:flex;justify-content:center;white-space:nowrap}.main-nav a{height:44px;display:flex;align-items:center;padding:0 11px;color:#465266;font-size:15px;font-weight:700;border-radius:12px}.main-nav a:hover,.main-nav a.is-active{color:var(--blue);background:var(--bg3)}.nav-actions{display:flex;gap:6px;align-items:center}.icon-button,.mini-link{min-width:44px;height:44px;border:0;border-radius:12px;background:var(--bg2);display:inline-flex;align-items:center;justify-content:center;padding:0 10px;font-weight:750}.icon-button:hover,.mini-link:hover,.mini-link.is-active{background:var(--bg3);color:var(--blue)}.mobile-nav{display:none;height:100%;grid-template-columns:64px 1fr 64px;align-items:center}.mobile-brand{justify-self:center;color:var(--blue);font-size:20px;font-weight:900}.mobile-brand img{max-width:124px;max-height:38px;object-fit:contain}.mobile-side-button{min-height:44px;border:0;background:transparent;display:flex;align-items:center;justify-content:center;font-weight:750}
.site-main{min-height:60vh}.section{padding:78px 0}.section.soft{background:var(--bg2)}.section.blue-soft{background:var(--bg3)}.section.compact{padding:54px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:850;letter-spacing:.04em}.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--blue)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}.section-head h2,.page-intro h1,.hero-copy h1{margin:.2em 0;color:var(--ink);line-height:1.14;letter-spacing:-.025em}.section-head h2{font-size:clamp(28px,3vw,42px)}.section-head p{max-width:730px;margin:0;color:var(--muted)}.page-intro{padding:58px 0 38px;background:linear-gradient(180deg,var(--bg3),#fff)}.page-intro .intro-inner{max-width:920px}.page-intro h1{font-size:clamp(38px,6vw,68px)}.page-intro p{font-size:18px;color:var(--muted);max-width:820px}.intro-links,.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.intro-links a,.button-secondary{display:inline-flex;min-height:44px;align-items:center;padding:0 15px;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--dark);font-weight:800}.button-primary{display:inline-flex;min-height:46px;align-items:center;justify-content:center;padding:0 20px;border-radius:14px;color:#fff;font-weight:850;background:linear-gradient(135deg,#3A96FF 0%,#1478F2 55%,#0863D3 100%);box-shadow:var(--bshadow)}.text-link{color:var(--blue);font-weight:800}.text-link:hover{text-decoration:underline}.pill{display:inline-flex;padding:5px 10px;border-radius:999px;background:var(--bg3);color:var(--dark);font-size:12px;font-weight:750}.card{background:#fff;border:1px solid var(--gline);border-radius:var(--radius);box-shadow:var(--shadow)}.card h2,.card h3{color:var(--ink);line-height:1.3}.card p{color:var(--muted)}
.home-hero{padding:32px 0 24px;background:linear-gradient(180deg,#f6faff,#fff)}.editorial-hero{display:grid;grid-template-columns:.82fr 1.45fr .83fr;gap:18px}.hero-copy,.hero-main,.hero-side{border:1px solid var(--line);border-radius:22px;background:#fff;overflow:hidden}.hero-copy{padding:30px;display:flex;flex-direction:column;justify-content:center}.hero-copy h1{font-size:clamp(34px,4vw,58px)}.hero-copy p{color:var(--muted)}.hero-main{min-height:500px;display:flex;align-items:center;justify-content:center;background:linear-gradient(145deg,#dcecff,#f8fbff)}.hero-main img{width:100%;height:100%;object-fit:contain}.brand-banner-fallback{width:88%;min-height:360px;border-radius:26px;background:linear-gradient(135deg,#0e66d2,#2f8cff);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:#fff;padding:40px;box-shadow:var(--bshadow)}.brand-banner-fallback strong{font-size:clamp(36px,6vw,76px);line-height:1}.brand-banner-fallback span{margin-top:12px;letter-spacing:.16em;opacity:.9}.hero-side{padding:16px;background:var(--bg2);display:grid;gap:10px}.mini-entry{padding:18px;border-radius:16px;background:#fff;border:1px solid var(--gline)}.mini-entry h2{margin:0 0 6px;font-size:18px;color:var(--ink)}.mini-entry p{margin:0 0 8px;color:var(--muted);font-size:13px;line-height:1.6}.channel-strip{display:flex;gap:24px;overflow-x:auto;padding:18px 0;scrollbar-width:none}.channel-strip::-webkit-scrollbar{display:none}.channel-strip a{flex:0 0 auto;font-weight:800;color:#586273}.channel-strip a:before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--blue);margin-right:8px}
.overview-grid{display:grid;grid-template-columns:1.2fr .9fr 1.05fr .85fr;gap:14px}.overview-card{padding:26px;min-height:210px}.overview-card:nth-child(2){margin-top:26px}.overview-card:nth-child(4){margin-top:40px}.discussion-layout{display:grid;grid-template-columns:1.25fr 1fr;gap:18px}.discussion-feature{padding:34px;border-radius:24px;background:linear-gradient(145deg,#0f70e7,#2f8cff);color:#fff}.discussion-feature h3{font-size:34px;line-height:1.25;margin:0 0 18px}.discussion-feature p{color:#edf6ff}.discussion-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}.discussion-item{padding:20px}.city-map,.life-mosaic{display:grid;grid-template-columns:repeat(12,1fr);gap:14px}.city-node{grid-column:span 4;padding:25px;min-height:195px}.city-node:nth-child(2),.city-node:nth-child(5){grid-column:span 5}.city-node:nth-child(3),.city-node:nth-child(6){grid-column:span 3}.life-tile{grid-column:span 4;padding:24px}.life-tile:nth-child(1),.life-tile:nth-child(5){grid-column:span 5}.life-tile:nth-child(2),.life-tile:nth-child(6){grid-column:span 3}.route-notes{display:flex;gap:14px;overflow-x:auto;padding:8px 0}.route-card{flex:0 0 min(390px,86vw);padding:25px}.interest-cloud{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.interest-chip{padding:20px;border:1px solid var(--line);border-radius:18px;background:#fff}.interest-chip:nth-child(2n){margin-top:22px}.qa-home{border-top:1px solid var(--gline)}.qa-row{display:grid;grid-template-columns:minmax(220px,.75fr) 1.25fr auto;gap:22px;padding:22px 0;border-bottom:1px solid var(--gline)}.qa-row h3,.qa-row p{margin:0}.story-home{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}.story-main{padding:36px}.story-side{display:grid;gap:12px}.story-brief{padding:22px}.discover-wall,.content-wall{columns:3;column-gap:14px}.discover-piece,.wall-item{break-inside:avoid;margin-bottom:14px;padding:22px}.guide-home,.community-principles{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.guide-home article,.principle-home{padding:23px}.app-home{display:grid;grid-template-columns:1fr .9fr;gap:24px;align-items:center}.app-services,.app-feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.app-services div,.app-feature-grid div{padding:16px;border:1px solid var(--line);border-radius:14px;background:#fff}.app-visual{min-height:430px;border-radius:28px;background:linear-gradient(145deg,#d9eafe,#f8fbff);display:flex;align-items:center;justify-content:center;overflow:hidden}.app-visual img{width:100%;height:100%;object-fit:contain}.phone-fallback{width:230px;height:420px;border-radius:40px;background:#fff;border:10px solid var(--ink);box-shadow:var(--bshadow);display:flex;align-items:center;justify-content:center;text-align:center;color:var(--blue);font-size:28px;font-weight:900}.safety-privacy{display:grid;grid-template-columns:1fr 1fr;gap:18px}.safety-box,.privacy-box{padding:34px;border-radius:26px}.safety-box{background:var(--ink);color:#fff}.safety-box h2{color:#fff}.safety-box p{color:#dbe7f8}.privacy-box{background:var(--bg3);border:1px solid var(--line)}.inline-tags{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}.inline-tags span{padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.12);font-size:13px}.privacy-box .inline-tags span{background:#fff;color:var(--dark)}.faq-home details,.faq-page details{border-bottom:1px solid var(--gline);padding:18px 0}.faq-home summary,.faq-page summary{cursor:pointer;font-weight:850;color:var(--ink)}.brand-declaration{padding:64px;border-radius:28px;background:linear-gradient(135deg,#0b62ca,#2f8cff);color:#fff}.brand-declaration h2{font-size:clamp(34px,5vw,60px);line-height:1.12;margin:0 0 18px}.brand-declaration p{color:#edf6ff;max-width:980px}
.editor-desk,.city-index,.brand-story,.rule-directory,.app-product{display:grid;grid-template-columns:1fr 1fr;gap:20px}.desk-feature,.desk-index,.city-index-nav,.rule-nav,.brand-rail{padding:28px}.topic-catalog,.city-lines,.story-list,.qa-index,.travel-journal,.topic-index,.rule-content{display:grid;gap:14px}.topic-catalog article{padding:18px;border-left:4px solid var(--blue)}.city-index{grid-template-columns:.78fr 1.22fr}.city-index-nav,.rule-nav,.brand-rail{position:sticky;top:96px;align-self:start}.city-index-nav a,.rule-nav a{display:block;padding:10px 0;border-bottom:1px solid var(--gline);font-weight:750;color:var(--dark)}.city-line{padding:26px;display:grid;grid-template-columns:180px 1fr;gap:22px}.magazine-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}.magazine-item{grid-column:span 4;padding:28px}.magazine-item:nth-child(1),.magazine-item:nth-child(6){grid-column:span 7}.magazine-item:nth-child(2),.magazine-item:nth-child(5){grid-column:span 5}.travel-step{counter-increment:route;display:grid;grid-template-columns:80px 1fr;gap:20px;padding:26px}.travel-journal{counter-reset:route}.travel-step:before{content:counter(route,decimal-leading-zero);font-size:40px;font-weight:900;color:var(--soft)}.tag-wall{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.tag-card{padding:22px;min-height:220px}.tag-card:nth-child(2n){margin-top:28px}.qa-entry{padding:26px}.qa-entry header{display:flex;gap:14px}.qa-mark{flex:0 0 34px;height:34px;border-radius:10px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900}.story-article{padding:32px;display:grid;grid-template-columns:220px 1fr;gap:26px}.topic-feature{padding:42px;background:var(--ink);color:#fff}.topic-feature h2{color:#fff;font-size:42px;margin:0}.topic-feature p{color:#dbe7f8}.topic-item{padding:26px;display:grid;grid-template-columns:1fr 1.6fr auto;gap:22px}.guide-directory,.principles-page,.install-sections,.risk-steps,.feedback-grid,.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.guide-entry,.principles-page article,.install-sections article,.risk-card,.feedback-grid article,.contact-grid article{padding:28px}.process-band{margin-top:26px;padding:32px;border-radius:24px;background:var(--bg3)}.process-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.process-steps div{padding:18px;background:#fff;border-radius:14px}.notice-list{border-top:1px solid var(--gline)}.notice-item{display:grid;grid-template-columns:180px 1fr;gap:24px;padding:25px 0;border-bottom:1px solid var(--gline)}.privacy-groups{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.privacy-card{padding:26px}.help-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.help-card{padding:23px}.faq-page{max-width:980px;margin-inline:auto}.brand-story{grid-template-columns:.82fr 1.18fr}.brand-rail{background:var(--ink);color:#fff;border-radius:24px}.brand-rail h1{color:#fff;font-size:48px;line-height:1.08}.brand-story-content{display:grid;gap:16px}.brand-story-content article{padding:28px}
.site-footer{background:#0B1F38;color:#EAF3FF;padding:64px 0 100px}.footer-grid{display:grid;grid-template-columns:.9fr 1.8fr;gap:52px}.footer-brand img{max-width:150px;max-height:48px;object-fit:contain}.footer-brand-name{font-size:28px;font-weight:900}.footer-en{font-size:12px;letter-spacing:.12em;color:#9cc6ff}.footer-brand-block p{color:#bdcbe0}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.footer-links h2{font-size:14px;margin:0 0 12px;color:#fff}.footer-links a{display:block;padding:5px 0;color:#b9c9df}.footer-note{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:24px;display:flex;justify-content:space-between;gap:24px;color:#9fb0c7;font-size:13px}.footer-note p{margin:0;max-width:850px}.mobile-bottom{display:none}
.site-overlay{position:fixed;inset:0;z-index:130;background:rgba(11,31,56,.42);visibility:hidden;opacity:0;pointer-events:none;transition:.2s}.site-overlay.is-open{visibility:visible;opacity:1;pointer-events:auto}.mega-menu,.search-panel{position:fixed;left:0;right:0;top:var(--nav);z-index:140;background:#fff;visibility:hidden;opacity:0;pointer-events:none;transform:translateY(-12px);transition:.2s;max-height:calc(100vh - var(--nav));overflow-y:auto}.mega-menu.is-open,.search-panel.is-open{visibility:visible;opacity:1;pointer-events:auto;transform:none}.mega-menu-inner,.search-inner{padding:24px 0 34px}.panel-head{display:flex;justify-content:space-between;gap:20px;margin-bottom:22px}.panel-head h2{margin:4px 0;color:var(--ink)}.close-button{min-width:56px;min-height:44px;border:0;border-radius:12px;background:var(--bg2);font-weight:800}.mega-columns{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.mega-columns h3{font-size:14px;color:var(--blue)}.mega-columns a{display:block;padding:10px 0;border-bottom:1px solid var(--gline)}.mega-columns b{display:block;color:var(--ink)}.mega-columns span{display:block;color:var(--muted);font-size:12px;line-height:1.55}.search-box input{width:100%;height:62px;border:2px solid var(--soft);border-radius:16px;background:var(--bg2);padding:0 18px;font-size:18px}.search-hints{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:18px 0}.search-hints button{border:0;border-radius:999px;background:var(--bg3);color:var(--dark);padding:7px 10px}.search-results{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.search-results a{padding:18px;border:1px solid var(--gline);border-radius:14px}.search-results b{display:block;color:var(--ink)}.search-results span{font-size:13px;color:var(--muted)}.search-results a[hidden]{display:none}.panel-open{overflow:hidden}
@media(max-width:1100px){.brand-tag{display:none}.main-nav a{padding:0 8px;font-size:14px}.editorial-hero{grid-template-columns:1fr 1.35fr}.hero-side{grid-column:1/-1;grid-template-columns:repeat(4,1fr)}.overview-grid{grid-template-columns:1fr 1fr}.overview-card:nth-child(n){margin-top:0}.discussion-layout{grid-template-columns:1fr}.tag-wall{grid-template-columns:repeat(3,1fr)}.help-grid{grid-template-columns:repeat(2,1fr)}.search-results{grid-template-columns:repeat(2,1fr)}}
@media(max-width:820px){:root{--nav:62px}.shell{width:min(calc(100% - 30px),var(--shell))}.desktop-nav{display:none}.mobile-nav{display:grid}.section{padding:56px 0}.section-head{display:block}.page-intro{padding-top:38px}.page-intro h1{font-size:40px}.editorial-hero,.discussion-list,.app-home,.safety-privacy,.editor-desk,.city-index,.brand-story,.rule-directory,.app-product{grid-template-columns:1fr}.hero-side{grid-column:auto;grid-template-columns:1fr 1fr}.hero-main{min-height:350px}.brand-banner-fallback{min-height:280px}.city-map,.life-mosaic{grid-template-columns:1fr 1fr}.city-node,.city-node:nth-child(n),.life-tile,.life-tile:nth-child(n){grid-column:auto}.interest-cloud{grid-template-columns:1fr 1fr}.qa-row,.city-line,.story-article,.topic-item,.notice-item{grid-template-columns:1fr}.story-home{grid-template-columns:1fr}.discover-wall,.content-wall{columns:2}.guide-home,.community-principles{grid-template-columns:1fr 1fr}.tag-wall,.privacy-groups{grid-template-columns:1fr 1fr}.tag-card:nth-child(n){margin-top:0}.guide-directory,.principles-page,.install-sections,.risk-steps,.feedback-grid,.contact-grid{grid-template-columns:1fr}.process-steps{grid-template-columns:1fr 1fr}.city-index-nav,.rule-nav,.brand-rail{position:static}.footer-grid{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}.footer-note{display:block}.mobile-bottom{display:grid;position:fixed;left:0;right:0;bottom:0;z-index:100;grid-template-columns:repeat(5,1fr);background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-top:1px solid var(--gline);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{min-height:54px;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--muted);font-weight:750}.mobile-bottom a.is-active{color:var(--blue);background:var(--bg3)}.site-footer{padding-bottom:104px}.mega-menu{top:0;left:auto;width:min(90vw,430px);height:100vh;max-height:none;opacity:1;transform:translateX(102%)}.mega-menu.is-open{transform:none}.mega-menu-inner{width:100%;padding:20px 18px 100px}.mega-columns{grid-template-columns:1fr}.search-panel{top:0;bottom:0;max-height:none;transform:none}.search-inner{padding-top:20px;padding-bottom:100px}.search-results{grid-template-columns:1fr}.mega-menu,.search-panel{z-index:150}}
@media(max-width:560px){.hero-side,.overview-grid,.city-map,.life-mosaic,.interest-cloud,.guide-home,.community-principles,.app-services,.app-feature-grid,.tag-wall,.privacy-groups,.help-grid,.footer-links,.process-steps{grid-template-columns:1fr}.hero-copy{padding:24px}.hero-copy h1{font-size:36px}.brand-banner-fallback{min-height:240px}.discover-wall,.content-wall{columns:1}.brand-declaration{padding:34px 24px}.travel-step{grid-template-columns:50px 1fr;padding:22px 18px}.topic-feature{padding:28px}.topic-feature h2{font-size:32px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
/* Extended page-specific compositions */
.container{width:min(calc(100% - 40px),var(--shell));margin-inline:auto}
.editorial-note{padding:28px;border:1px solid var(--line);border-radius:20px;background:#fff}
.editorial-note h2{margin-top:0}
.topic-number,.privacy-index{font-size:32px;font-weight:900;color:var(--soft)}
.topic-item{grid-template-columns:70px 1fr}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:18px}
.process-grid article{padding:18px;background:#fff;border-radius:14px;border:1px solid var(--line)}
.process-grid b,.risk-mark{display:inline-grid;place-items:center;min-width:34px;height:34px;border-radius:10px;background:var(--blue);color:#fff}
.notice-list article{display:grid;grid-template-columns:150px 1fr auto;gap:20px;align-items:start;padding:26px 0;border-bottom:1px solid var(--gline)}
.notice-list article h2,.notice-list article p{margin-top:0}.notice-type{font-size:13px;color:var(--blue);font-weight:850}
.app-feature-grid article{padding:20px;border:1px solid var(--line);border-radius:16px;background:#fff}
.app-feature-grid article>span{font-weight:900;color:var(--blue)}
.app-copy h2{font-size:clamp(30px,4vw,46px);line-height:1.16}
.visual-fallback{width:78%;min-height:330px;padding:32px;border-radius:30px;background:linear-gradient(145deg,#fff,#eaf4ff);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;box-shadow:var(--shadow)}
.visual-fallback strong{font-size:42px;color:var(--blue)}.visual-fallback span{letter-spacing:.14em;color:var(--muted)}.visual-fallback small{margin-top:10px}
.risk-steps article{padding:26px;border:1px solid var(--line);border-radius:18px;background:#fff;display:grid;grid-template-columns:52px 1fr;gap:18px}
.privacy-groups article{padding:26px;border:1px solid var(--line);border-radius:18px;background:#fff}
.rule-directory{grid-template-columns:.72fr 1.28fr}.rule-rail{position:sticky;top:96px;align-self:start;padding:26px;border-radius:18px;background:var(--bg3)}
.rule-rail a{display:block;padding:9px 0;border-bottom:1px solid var(--line);font-weight:750;color:var(--dark)}
.rule-content article{padding:28px;border:1px solid var(--gline);border-radius:18px;background:#fff;scroll-margin-top:100px}
.rule-content article>span{font-weight:900;color:var(--blue)}
.help-grid article,.feedback-grid article,.contact-directory article{padding:26px;border:1px solid var(--line);border-radius:18px;background:#fff}
.contact-directory{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.faq-list{max-width:980px;margin-inline:auto}.faq-list details{border-bottom:1px solid var(--gline);padding:18px 0}
.faq-list summary{cursor:pointer;font-weight:850;color:var(--ink);font-size:18px}.faq-answer{padding-right:30px;color:var(--muted)}
.about-hero{padding:58px 0;background:linear-gradient(180deg,#edf5ff,#fff)}
.about-hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:32px;align-items:center}
.about-hero h1{font-size:clamp(40px,6vw,70px);line-height:1.08;margin:.18em 0}.about-mark{display:flex;justify-content:center}
.about-mark img{max-width:250px}.brand-block{width:100%;aspect-ratio:1.2;border-radius:34px;background:var(--blue);color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:var(--bshadow)}
.brand-block b{font-size:44px}.brand-block span{font-size:12px;letter-spacing:.15em}
.brand-story>aside{position:sticky;top:96px;align-self:start;padding:30px;border-radius:24px;background:var(--ink);color:#fff}
.brand-story>aside h2{color:#fff}.brand-story>aside span{color:#9cc6ff;font-size:12px;letter-spacing:.13em}
.today-note{margin-top:24px;padding:14px;border-radius:14px;background:var(--bg3)}.today-note small{display:block;color:var(--blue);font-weight:800}.today-note strong{display:block;margin-top:3px;color:var(--ink)}
.light-link{color:#fff!important}
@media(max-width:860px){
 .container{width:min(calc(100% - 30px),var(--shell))}
 .topic-item,.notice-list article,.risk-steps article{grid-template-columns:1fr}
 .process-grid,.contact-directory{grid-template-columns:1fr 1fr}
 .about-hero-grid,.rule-directory{grid-template-columns:1fr}
 .rule-rail,.brand-story>aside{position:static}
 .about-mark{order:-1}.about-mark .brand-block{max-width:340px}
}
@media(max-width:560px){
 .process-grid,.contact-directory{grid-template-columns:1fr}
 .about-hero{padding:34px 0}.brand-block b{font-size:34px}
 .faq-list summary{font-size:16px}
}