:root{--bg:#fff;--sub:#f7faff;--pale:#edf5ff;--gray:#f5f6f8;--title:#172033;--text:#3e4859;--muted:#6f7a89;--faint:#98a1af;--blue:#1478f2;--blue2:#2f8cff;--deep:#075dc9;--dark:#084a9c;--light:#d9eafe;--white:#fff;--border:rgba(20,120,242,.12);--gray-border:rgba(30,50,70,.08);--shadow:0 14px 38px rgba(21,67,118,.08);--blue-shadow:0 16px 42px rgba(20,120,242,.15);--max:1280px;--nav-h:74px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}button,input{font:inherit}button{cursor:pointer}.skip-link{position:fixed;left:16px;top:-60px;z-index:2000;padding:10px 14px;background:var(--blue);color:#fff;border-radius:10px}.skip-link:focus{top:12px}.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.95);backdrop-filter:blur(14px);border-bottom:1px solid var(--gray-border)}.nav-shell{max-width:var(--max);height:var(--nav-h);margin:0 auto;padding:0 24px;display:flex;align-items:center}.brand{display:flex;align-items:center;gap:12px;min-width:220px}.brand-logo{width:auto;height:38px;object-fit:contain}.brand-text{font-size:21px;font-weight:900;color:var(--blue);letter-spacing:.02em}.brand-tag{font-size:12px;color:var(--deep);background:var(--pale);padding:5px 9px;border-radius:999px;white-space:nowrap}.primary-nav{display:flex;align-items:center;justify-content:center;gap:4px;flex:1;min-width:0}.primary-nav a,.icon-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 13px;border-radius:12px;color:var(--muted);font-size:14px;font-weight:650;white-space:nowrap}.primary-nav a:hover,.primary-nav a.active,.icon-btn:hover,.icon-btn.active{color:var(--blue);background:var(--pale)}.nav-actions{display:flex;gap:4px;min-width:max-content}.icon-btn{border:0;background:transparent}.mobile-nav{display:none}.site-main{min-height:70vh}.container{width:min(calc(100% - 48px),var(--max));margin-inline:auto}.section{padding:72px 0}.section.tight{padding:42px 0}.section.alt{background:var(--sub)}.section.pale{background:var(--pale)}.section.gray{background:var(--gray)}.eyebrow{display:inline-block;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:8px}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}.section-head h2,.page-intro h1,.hero-copy h1,.menu-head h2,.search-head h2{margin:0;color:var(--title);line-height:1.18}.section-head h2{font-size:clamp(28px,3vw,40px)}.section-head p{max-width:620px;margin:0;color:var(--muted)}.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--deep);font-weight:750}.text-link::after{content:"→"}.text-link:hover{color:var(--blue)}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:13px;background:linear-gradient(135deg,#3a96ff 0%,#1478f2 55%,#0863d3 100%);color:#fff;font-weight:800;box-shadow:var(--blue-shadow)}.btn.secondary{background:#fff;color:var(--deep);border:1px solid var(--border);box-shadow:none}.btn:hover{transform:translateY(-1px)}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(20,120,242,.28);outline-offset:3px}.panel-open{overflow:hidden}.overlay{position:fixed;inset:var(--nav-h) 0 0;background:rgba(11,31,56,.34);z-index:1090;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.open{opacity:1;visibility:visible;pointer-events:auto}.channel-menu,.search-panel{position:fixed;left:0;right:0;top:var(--nav-h);z-index:1100;background:#fff;box-shadow:var(--shadow);max-height:calc(100vh - var(--nav-h));overflow:auto;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-14px);transition:.2s}.channel-menu.open,.search-panel.open{opacity:1;visibility:visible;pointer-events:auto;transform:none}.menu-inner,.search-inner{max-width:var(--max);margin:0 auto;padding:28px 24px 34px}.menu-head,.search-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;margin-bottom:22px}.menu-head h2,.search-head h2{font-size:28px}.close-btn{min-width:52px;min-height:44px;border:1px solid var(--gray-border);border-radius:12px;background:var(--gray);color:var(--title)}.menu-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.menu-grid section{padding:18px;border:1px solid var(--gray-border);border-radius:18px;background:var(--sub)}.menu-grid h3,.search-columns h3{margin:0 0 10px;color:var(--title);font-size:15px}.menu-grid a{display:block;padding:10px 0;border-top:1px solid var(--gray-border)}.menu-grid a:first-of-type{border-top:0}.menu-grid strong{display:block;color:var(--title)}.menu-grid span{display:block;color:var(--muted);font-size:12px;line-height:1.55;margin-top:3px}.search-box{display:flex;align-items:center;gap:12px;padding:10px 14px;border:1px solid var(--border);border-radius:15px;background:var(--sub);margin-bottom:22px}.search-box span{font-size:13px;color:var(--muted);white-space:nowrap}.search-box input{width:100%;min-height:42px;border:0;background:transparent;outline:0;color:var(--title)}.search-columns{display:grid;grid-template-columns:1.1fr 1.2fr .7fr;gap:22px}.chips{display:flex;flex-wrap:wrap;gap:8px}.chips button{border:1px solid var(--border);background:var(--pale);color:var(--deep);border-radius:999px;padding:8px 12px}.search-links,.plain-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.search-links a,.plain-links a{padding:10px 12px;background:var(--sub);border-radius:11px;color:var(--title)}.search-links a[hidden]{display:none}.search-empty{color:var(--muted);font-size:13px}.mobile-bottom-nav{display:none}
/* shared content */
.page-intro{padding:62px 0 36px;background:linear-gradient(180deg,var(--sub),#fff)}.page-intro .intro-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:36px;align-items:end}.page-intro h1{font-size:clamp(38px,5vw,64px);letter-spacing:-.03em}.page-intro p{font-size:17px;color:var(--muted);max-width:760px}.intro-note{padding:22px;border-radius:20px;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow)}.intro-note strong{display:block;color:var(--title);font-size:20px}.intro-note p{font-size:14px;margin:.45em 0 0}.topic-grid,.card-grid,.faq-grid,.principle-grid,.guide-grid,.discover-grid,.interest-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card,.topic-card,.guide-card,.principle-card,.story-card,.answer-card{border:1px solid var(--gray-border);border-radius:18px;background:#fff;padding:22px;box-shadow:0 9px 28px rgba(21,67,118,.055)}.card h3,.topic-card h3,.guide-card h3,.principle-card h3,.story-card h3,.answer-card h3{margin:0 0 10px;color:var(--title);font-size:20px;line-height:1.35}.card p,.topic-card p,.guide-card p,.principle-card p,.story-card p,.answer-card p{margin:0 0 12px;color:var(--text)}.tag{display:inline-block;padding:5px 9px;border-radius:999px;background:var(--pale);color:var(--deep);font-size:12px;font-weight:750}.meta-line{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.split{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}.prose{font-size:16px}.prose p{margin:0 0 1em}.prose h2{color:var(--title);margin:1.6em 0 .55em;font-size:28px}.prose h3{color:var(--title);margin:1.3em 0 .45em;font-size:20px}.list-panel{display:grid;gap:12px}.list-row{display:grid;grid-template-columns:150px 1fr auto;gap:18px;align-items:start;padding:18px 0;border-bottom:1px solid var(--gray-border)}.list-row:last-child{border-bottom:0}.list-row strong{color:var(--title)}.list-row p{margin:0;color:var(--muted)}.number-step{display:grid;grid-template-columns:50px 1fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--gray-border)}.number-step b{width:42px;height:42px;border-radius:14px;background:var(--pale);display:grid;place-items:center;color:var(--blue)}.number-step h3{margin:0 0 6px;color:var(--title)}.number-step p{margin:0;color:var(--muted)}.callout{padding:24px;border-radius:20px;background:var(--pale);border:1px solid var(--border)}.callout h2,.callout h3{margin-top:0;color:var(--title)}.notice-list{display:grid;gap:12px}.notice-item{display:grid;grid-template-columns:170px 1fr;gap:22px;padding:20px;border:1px solid var(--gray-border);border-radius:16px;background:#fff}.notice-item .kind{color:var(--blue);font-weight:800}.notice-item h3{margin:0 0 6px;color:var(--title)}.notice-item p{margin:0;color:var(--muted)}details{border:1px solid var(--gray-border);border-radius:16px;background:#fff;padding:0 18px}details+details{margin-top:10px}summary{list-style:none;cursor:pointer;padding:18px 34px 18px 0;color:var(--title);font-weight:800;position:relative}summary::-webkit-details-marker{display:none}summary::after{content:"＋";position:absolute;right:0;top:17px;color:var(--blue)}details[open] summary::after{content:"－"}details p{margin:0 0 18px;color:var(--muted)}.brand-fallback,.image-fallback{min-height:240px;border-radius:22px;background:linear-gradient(145deg,#edf5ff,#f7faff);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;text-align:center;padding:28px;color:var(--deep);font-weight:850;font-size:22px;position:relative;overflow:hidden}.brand-fallback::before,.image-fallback::before{content:"";position:absolute;width:180px;height:180px;border-radius:50%;background:rgba(47,140,255,.12);right:-45px;top:-45px}.image-frame{border-radius:22px;overflow:hidden;background:var(--pale);border:1px solid var(--border);box-shadow:var(--shadow)}.image-frame img{width:100%;height:auto;object-fit:contain}
/* home */
.home-hero{padding:34px 0 22px;background:linear-gradient(180deg,var(--sub),#fff)}.editorial-hero{display:grid;grid-template-columns:.82fr 1.45fr .88fr;gap:18px;align-items:stretch}.hero-side,.hero-main{border:1px solid var(--gray-border);border-radius:22px;background:#fff;box-shadow:var(--shadow);overflow:hidden}.hero-side{padding:24px}.hero-side h2{margin:0 0 10px;color:var(--title);font-size:24px}.hero-side p{margin:0;color:var(--muted)}.hero-copy h1{font-size:clamp(34px,4vw,56px);margin-bottom:16px}.hero-copy p{color:var(--muted);margin:0 0 20px}.hero-actions{display:flex;flex-wrap:wrap;gap:10px}.hero-main .hero-copy{padding:26px}.hero-visual{padding:0 18px 18px}.hero-visual img{border-radius:17px;width:100%;height:auto;object-fit:contain}.quick-entry{padding:14px 0;border-bottom:1px solid var(--gray-border)}.quick-entry:last-child{border-bottom:0}.quick-entry strong{display:block;color:var(--title)}.quick-entry span{display:block;color:var(--muted);font-size:13px;margin:4px 0}.channel-strip-wrap{padding:8px 0 22px}.channel-strip{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}.channel-strip::-webkit-scrollbar{display:none}.channel-strip a{flex:0 0 auto;padding:8px 12px;border-radius:999px;background:var(--pale);color:var(--deep);font-size:13px;font-weight:700}.overview-grid{display:grid;grid-template-columns:1.15fr .85fr 1fr 1.2fr;gap:14px}.overview-item{padding:22px;border:1px solid var(--gray-border);border-radius:18px;background:#fff}.overview-item:nth-child(2){background:var(--sub)}.overview-item:nth-child(4){background:var(--pale)}.overview-item h3{margin:0 0 8px;color:var(--title)}.overview-item p{margin:0;color:var(--muted)}.discussion-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}.featured-topic{padding:30px;border-radius:22px;background:linear-gradient(140deg,#1478f2,#075dc9);color:#fff;box-shadow:var(--blue-shadow)}.featured-topic .eyebrow{color:#dceeff}.featured-topic h3{font-size:32px;line-height:1.25;margin:0 0 14px}.featured-topic p{margin:0 0 18px;color:#edf6ff}.featured-topic .text-link{color:#fff}.discussion-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}.discussion-card{padding:16px;border-radius:16px;border:1px solid var(--gray-border);background:#fff}.discussion-card h3{font-size:17px;margin:0 0 6px;color:var(--title)}.discussion-card p{font-size:13px;color:var(--muted);margin:0 0 8px}.city-map{display:grid;grid-template-columns:1.1fr .9fr .9fr;grid-auto-rows:minmax(150px,auto);gap:14px}.city-map article{padding:22px;border-radius:18px;border:1px solid var(--border);background:#fff}.city-map article:first-child{grid-row:span 2;background:var(--pale)}.city-map h3{margin:0 0 8px;color:var(--title)}.city-map p{margin:0;color:var(--muted)}.life-mosaic{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:14px}.life-mosaic article{min-height:180px}.life-mosaic article:nth-child(1),.life-mosaic article:nth-child(5){grid-row:span 2}.travel-notes{display:grid;grid-template-columns:repeat(6,minmax(200px,1fr));gap:14px;overflow-x:auto;padding-bottom:8px}.travel-note{min-width:220px;padding:20px;border-radius:18px;background:#fff;border:1px solid var(--gray-border)}.travel-note h3{margin:0 0 8px;color:var(--title)}.travel-note p{margin:0 0 10px;color:var(--muted)}.interest-cloud{display:flex;flex-wrap:wrap;gap:12px;align-items:stretch}.interest-cloud article{flex:1 1 250px;padding:20px;border-radius:18px;border:1px solid var(--border);background:#fff}.interest-cloud article:nth-child(3n+1){flex-basis:320px}.interest-cloud h3{margin:0 0 8px;color:var(--title)}.interest-cloud p{margin:0 0 10px;color:var(--muted)}.qa-index{display:grid;gap:10px}.qa-row{display:grid;grid-template-columns:44px 1fr auto;gap:14px;padding:18px;border-radius:16px;background:#fff;border:1px solid var(--gray-border);align-items:start}.qa-mark{width:40px;height:40px;border-radius:13px;background:var(--pale);display:grid;place-items:center;color:var(--blue);font-weight:900}.qa-row h3{margin:0 0 6px;color:var(--title);font-size:18px}.qa-row p{margin:0;color:var(--muted)}.story-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}.story-main{padding:28px;border-radius:22px;background:var(--sub);border:1px solid var(--gray-border)}.story-main h3{font-size:30px;margin:0 0 12px;color:var(--title)}.story-stack{display:grid;gap:12px}.discover-wall{columns:3;column-gap:16px}.discover-wall article{break-inside:avoid;margin:0 0 16px}.guide-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.principle-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.app-block{display:grid;grid-template-columns:.9fr 1.1fr;gap:26px;align-items:center}.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:18px 0}.service-grid div{padding:14px;border-radius:14px;background:var(--pale);color:var(--deep);font-weight:750;text-align:center}.safety-pair{display:grid;grid-template-columns:1fr 1fr;gap:18px}.safety-pair article{padding:28px;border-radius:24px;border:1px solid var(--gray-border)}.safety-pair article:first-child{background:var(--pale)}.safety-pair article:last-child{background:var(--sub)}.safety-pair h3{margin:0 0 10px;color:var(--title);font-size:26px}.brand-statement{padding:42px;border-radius:26px;background:#0f6fdb;color:#fff;position:relative;overflow:hidden}.brand-statement h2{font-size:38px;line-height:1.2;margin:0 0 14px}.brand-statement p{color:#eef7ff;max-width:980px}.brand-statement .text-link{color:#fff}
/* page variants */
.editorial-board{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}.editorial-board .lead{padding:28px;border-radius:22px;background:var(--pale)}.directory{display:grid;gap:10px}.directory a{display:grid;grid-template-columns:160px 1fr auto;gap:16px;padding:16px;border-bottom:1px solid var(--gray-border)}.city-index{display:grid;grid-template-columns:220px 1fr;gap:24px}.city-tabs{position:sticky;top:100px;align-self:start;padding:18px;border-radius:18px;background:var(--sub);border:1px solid var(--gray-border)}.city-tabs a{display:block;padding:9px 10px;border-radius:10px;color:var(--muted)}.city-tabs a:hover{background:var(--pale);color:var(--blue)}.horizontal-items{display:grid;gap:14px}.horizontal-item{display:grid;grid-template-columns:180px 1fr;gap:22px;padding:22px;border-radius:18px;border:1px solid var(--gray-border);background:#fff}.magazine-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:16px}.magazine-grid article{padding:22px;border-radius:18px;border:1px solid var(--gray-border);background:#fff}.magazine-grid article:first-child{grid-row:span 2;background:var(--sub)}.route-ledger{display:grid;grid-template-columns:72px 1fr;gap:0}.route-ledger .route-no{font-size:30px;font-weight:900;color:var(--light);border-right:2px solid var(--light);padding-top:18px}.route-ledger article{padding:18px 0 22px 24px;border-bottom:1px solid var(--gray-border)}.tag-wall{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}.tag-wall a{padding:9px 13px;border-radius:999px;background:var(--pale);color:var(--deep);font-weight:700}.qa-catalog .qa-row{grid-template-columns:70px 1fr}.qa-category{color:var(--blue);font-weight:800}.longform-list{display:grid;gap:18px}.longform-item{padding:28px;border-radius:20px;border:1px solid var(--gray-border);background:#fff}.longform-item h2{margin:0 0 10px;color:var(--title)}.longform-item p{margin:.5em 0;color:var(--muted)}.topic-index{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.topic-index article{padding:24px;border-radius:18px;background:#fff;border:1px solid var(--gray-border)}.topic-index h2{margin:0 0 8px;color:var(--title);font-size:24px}.boundary{font-size:13px;color:var(--muted);padding-top:10px;border-top:1px dashed var(--border)}.knowledge-list{display:grid;gap:14px}.knowledge-list article{display:grid;grid-template-columns:220px 1fr;gap:20px;padding:20px;border-radius:18px;background:#fff;border:1px solid var(--gray-border)}.principle-flow{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.principle-flow article{padding:24px;border-radius:18px;background:var(--sub);border:1px solid var(--gray-border)}.app-showcase{display:grid;grid-template-columns:.85fr 1.15fr;gap:30px;align-items:center}.app-points{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.app-points div{padding:18px;border-radius:16px;background:var(--pale)}.privacy-categories,.safety-categories,.rule-categories{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.process{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.process article{padding:18px;border-radius:16px;background:var(--sub);border:1px solid var(--gray-border)}.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.contact-grid article{padding:22px;border-radius:18px;background:#fff;border:1px solid var(--gray-border)}.brand-values{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}.value-list{display:grid;gap:12px}.value-list article{padding:18px;border-left:3px solid var(--light);background:var(--sub);border-radius:0 14px 14px 0}
.site-footer{background:#0b1f38;color:#eaf3ff;padding:54px 0 calc(34px + env(safe-area-inset-bottom))}.footer-shell{width:min(calc(100% - 48px),var(--max));margin:auto}.footer-brand{display:grid;grid-template-columns:auto 220px 1fr;gap:18px;align-items:center;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.1)}.footer-logo{height:42px;width:auto}.footer-brand-name{font-size:22px;font-weight:900}.footer-brand strong{display:block;font-size:22px}.footer-en{display:block;color:#9fc7f2;font-size:12px;letter-spacing:.08em}.footer-brand p{margin:0;color:#b9cce0}.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:30px 0}.footer-groups h2{font-size:14px;color:#fff;margin:0 0 10px}.footer-groups a{display:block;color:#b9cce0;padding:4px 0;font-size:14px}.footer-groups a:hover{color:#fff}.footer-note{padding:18px;border-radius:14px;background:rgba(255,255,255,.05);color:#c8d9e8;font-size:13px}.footer-bottom{display:flex;justify-content:space-between;gap:16px;color:#91abc4;font-size:13px;margin-top:24px}.footer-bottom a{color:#c8d9e8}
@media(max-width:1100px){.brand{min-width:auto}.brand-tag{display:none}.primary-nav a,.icon-btn{padding-inline:9px}.editorial-hero{grid-template-columns:1fr 1.4fr}.editorial-hero>.hero-side:last-child{grid-column:1/-1;display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.overview-grid{grid-template-columns:repeat(2,1fr)}.topic-grid,.card-grid,.guide-grid,.principle-grid,.interest-grid{grid-template-columns:repeat(2,1fr)}.city-map{grid-template-columns:1fr 1fr}.city-map article:first-child{grid-row:auto;grid-column:1/-1}.life-mosaic{grid-template-columns:1fr 1fr}.life-mosaic article:nth-child(1),.life-mosaic article:nth-child(5){grid-row:auto}.principle-list{grid-template-columns:repeat(2,1fr)}.discover-wall{columns:2}.service-grid{grid-template-columns:repeat(2,1fr)}.process{grid-template-columns:repeat(2,1fr)}}
@media(max-width:820px){:root{--nav-h:64px}.desktop-nav{display:none}.mobile-nav{display:grid;grid-template-columns:64px 1fr 64px;padding:0 15px;height:64px}.mobile-top-btn{min-height:44px;border:0;background:transparent;color:var(--deep);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800}.mobile-brand{display:flex;justify-content:center;align-items:center;min-width:0}.mobile-brand .brand-logo{max-width:150px;height:34px}.mobile-brand .brand-text{font-size:20px}.container,.footer-shell{width:min(calc(100% - 30px),var(--max))}.section{padding:54px 0}.section-head{align-items:flex-start;flex-direction:column;margin-bottom:20px}.page-intro{padding:42px 0 28px}.page-intro .intro-grid{grid-template-columns:1fr}.page-intro h1{font-size:40px}.channel-menu{left:auto;width:min(92vw,420px);top:0;bottom:0;max-height:none;transform:translateX(100%);overflow:auto}.channel-menu.open{transform:none}.channel-menu .menu-inner{padding:22px 16px 90px}.menu-grid{grid-template-columns:1fr}.overlay{inset:0}.search-panel{top:0;bottom:0;max-height:none}.search-inner{padding:22px 15px 90px}.search-columns{grid-template-columns:1fr}.search-links,.plain-links{grid-template-columns:1fr 1fr}.mobile-bottom-nav{position:fixed;z-index:980;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;padding:6px 10px calc(6px + env(safe-area-inset-bottom));background:rgba(255,255,255,.96);border-top:1px solid var(--gray-border);backdrop-filter:blur(12px)}.mobile-bottom-nav a{min-height:48px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px;font-weight:700;border-radius:12px}.mobile-bottom-nav a.active{color:var(--blue);background:var(--pale)}.site-footer{padding-bottom:calc(100px + env(safe-area-inset-bottom))}.editorial-hero{grid-template-columns:1fr}.editorial-hero>.hero-side:last-child{grid-column:auto;display:block}.home-hero .hero-side:first-child{order:1}.home-hero .hero-main{order:2}.home-hero .hero-side:last-child{order:3}.hero-main .hero-copy{padding:22px}.hero-copy h1{font-size:38px}.overview-grid,.discussion-layout,.story-layout,.app-block,.safety-pair,.editorial-board,.split,.app-showcase,.brand-values{grid-template-columns:1fr}.discussion-list,.guide-list,.principle-list,.app-points,.topic-index,.principle-flow,.privacy-categories,.safety-categories,.rule-categories,.contact-grid{grid-template-columns:1fr}.city-map,.life-mosaic,.magazine-grid{grid-template-columns:1fr}.city-map article:first-child{grid-column:auto}.discover-wall{columns:1}.topic-grid,.card-grid,.guide-grid,.principle-grid,.interest-grid{grid-template-columns:1fr}.city-index{grid-template-columns:1fr}.city-tabs{position:static;display:flex;overflow-x:auto;gap:6px;padding:10px}.city-tabs a{flex:0 0 auto}.horizontal-item,.knowledge-list article{grid-template-columns:1fr}.directory a{grid-template-columns:1fr auto}.directory a span:nth-child(2){grid-column:1/-1}.notice-item{grid-template-columns:1fr}.process{grid-template-columns:1fr}.footer-brand{grid-template-columns:1fr}.footer-groups{grid-template-columns:1fr 1fr}.footer-bottom{flex-direction:column}.brand-statement{padding:30px 22px}.brand-statement h2{font-size:31px}.list-row{grid-template-columns:1fr}.qa-row{grid-template-columns:42px 1fr}.qa-row .text-link{grid-column:2}.route-ledger{grid-template-columns:50px 1fr}}
@media(max-width:520px){.footer-groups{grid-template-columns:1fr}.search-links,.plain-links{grid-template-columns:1fr}.hero-actions{display:grid}.hero-actions .btn{width:100%}.overview-grid{grid-template-columns:1fr}.service-grid{grid-template-columns:1fr 1fr}.page-intro h1{font-size:36px}.section-head h2{font-size:30px}.menu-head h2,.search-head h2{font-size:24px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
/* extended editorial page patterns */
.soft-section{background:var(--sub)}
.split-heading{display:grid;grid-template-columns:minmax(280px,.72fr) minmax(0,1.28fr);gap:36px;align-items:end;margin-bottom:28px}.split-heading h2{margin:0;color:var(--title);font-size:clamp(28px,3vw,40px);line-height:1.2}.split-heading>p{margin:0;color:var(--muted)}
.chip-links{display:flex;flex-wrap:wrap;gap:10px}.chip-links a,.chip-links span{display:inline-flex;align-items:center;min-height:42px;padding:8px 13px;border:1px solid var(--border);border-radius:999px;background:#fff;color:var(--deep);font-weight:750;font-size:14px}.static-chips span{cursor:default}
.button-row{display:flex;align-items:center;flex-wrap:wrap;gap:14px;margin-top:24px}.primary-button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 21px;border-radius:14px;background:linear-gradient(135deg,#3a96ff 0%,#1478f2 55%,#0863d3 100%);color:#fff;font-weight:850;box-shadow:var(--blue-shadow)}.primary-button:hover{transform:translateY(-1px)}
.meta-pill,.risk-label{display:inline-flex;align-items:center;width:max-content;padding:5px 9px;border-radius:999px;background:var(--pale);color:var(--deep);font-size:12px;font-weight:800}
.waterfall-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-auto-flow:dense;gap:16px}.feature-tile{padding:24px;border-radius:20px;border:1px solid var(--gray-border);background:#fff;box-shadow:0 9px 28px rgba(21,67,118,.045)}.feature-tile.tall{grid-row:span 2;background:var(--sub)}.feature-tile.wide{grid-column:span 2}.feature-tile h2{margin:12px 0 10px;color:var(--title);font-size:24px;line-height:1.3}.feature-tile p{margin:0 0 15px;color:var(--muted)}.feature-tile a{color:var(--deep);font-weight:800}
.topic-stack{display:grid;gap:0}.topic-lead,.topic-row{display:grid;grid-template-columns:72px 1fr;gap:22px;padding:28px 0;border-bottom:1px solid var(--gray-border)}.topic-lead{padding:30px;border:1px solid var(--border);border-radius:24px;background:var(--pale);margin-bottom:10px}.topic-stack .topic-index{display:block;color:var(--light);font-size:30px;font-weight:900;line-height:1}.topic-stack h2{margin:7px 0 10px;color:var(--title);font-size:clamp(22px,2.5vw,30px);line-height:1.3}.topic-stack p{margin:.5em 0}.topic-stack a{color:var(--deep);font-weight:800}
.knowledge-list article{grid-template-columns:150px 1fr;align-items:start}.knowledge-list article>span{color:var(--blue);font-weight:850;font-size:13px}.knowledge-list h2{grid-column:2;margin:0;color:var(--title);font-size:24px}.knowledge-list p,.knowledge-list a{grid-column:2;margin:0}.knowledge-list p{color:var(--muted)}.knowledge-list a{color:var(--deep);font-weight:800;margin-top:6px}
.principle-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.principle-grid article{padding:24px;border-radius:20px;border:1px solid var(--gray-border);background:#fff}.principle-no{display:block;color:var(--light);font-size:28px;font-weight:900}.principle-grid h2{margin:4px 0 9px;color:var(--title);font-size:22px}.principle-grid p{margin:0;color:var(--muted)}
.process-layout{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:36px;align-items:start}.process-layout h2{margin:0 0 10px;color:var(--title);font-size:clamp(28px,3vw,38px);line-height:1.25}.process-layout>div>p{color:var(--muted)}.process-list{counter-reset:step;list-style:none;padding:0;margin:0;display:grid;gap:10px}.process-list li{display:grid;grid-template-columns:minmax(130px,.55fr) 1fr;gap:14px;padding:16px 18px;border-radius:15px;background:#fff;border:1px solid var(--gray-border)}.process-list strong{color:var(--title)}.process-list span{color:var(--muted)}
.notice-list article{display:grid;grid-template-columns:150px 1fr;gap:22px;padding:22px;border-radius:18px;border:1px solid var(--gray-border);background:#fff}.notice-type{color:var(--blue);font-size:13px;font-weight:850}.notice-list h2{margin:0 0 7px;color:var(--title);font-size:22px}.notice-list p{margin:0 0 8px;color:var(--muted)}.notice-list a{color:var(--deep);font-weight:800}
.app-hero-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(280px,.72fr);gap:46px;align-items:center}.app-visual{min-height:440px;display:grid;place-items:center}.app-visual img{max-height:520px;object-fit:contain}.phone-mock{width:min(280px,82vw);padding:18px;border:10px solid #172033;border-radius:38px;background:var(--sub);box-shadow:var(--blue-shadow)}.phone-top{padding:20px 12px 16px;color:var(--blue);font-size:23px;font-weight:900;text-align:center}.phone-card{margin:9px 0;padding:15px;border-radius:14px;background:#fff;border:1px solid var(--border);color:var(--title);font-weight:750}.service-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.service-grid article{padding:22px;border:1px solid var(--gray-border);border-radius:18px;background:#fff}.service-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;background:var(--pale);color:var(--blue);font-weight:900}.service-grid h2{margin:13px 0 7px;color:var(--title);font-size:21px}.service-grid p{margin:0;color:var(--muted)}.app-detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.app-detail-grid>div{padding:24px;border:1px solid var(--gray-border);border-radius:18px;background:#fff}.app-detail-grid h2{margin:0 0 8px;color:var(--title);font-size:23px}.app-detail-grid p{margin:0;color:var(--muted)}
.install-steps{display:grid;grid-template-columns:1fr;gap:12px}.install-steps article{display:grid;grid-template-columns:74px 1fr;gap:20px;padding:22px;border:1px solid var(--gray-border);border-radius:18px;background:#fff}.install-steps .route-no{grid-row:1/5;border:0;padding:0;color:var(--light);font-size:30px;font-weight:900}.install-steps h2{grid-column:2;margin:0;color:var(--title);font-size:24px}.install-steps p,.install-steps .route-note{grid-column:2;margin:0}.install-steps p{color:var(--muted)}.route-note{display:block;margin-top:6px!important;padding:10px 12px;border-radius:12px;background:var(--pale);color:var(--deep);font-size:13px}
.faq-preview-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.faq-preview-grid article{padding:20px;border-radius:17px;border:1px solid var(--gray-border);background:#fff}.faq-preview-grid h3{margin:0 0 7px;color:var(--title);font-size:18px}.faq-preview-grid p{margin:0;color:var(--muted)}
.brand-band{display:flex;justify-content:space-between;align-items:center;gap:34px;padding:28px;border-radius:22px;background:var(--pale);border:1px solid var(--border)}.brand-band h2{margin:0;color:var(--title);font-size:28px}.brand-band p{margin:8px 0 0;color:var(--muted);max-width:760px}
.risk-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.risk-grid article{padding:24px;border-radius:19px;border:1px solid var(--gray-border);background:#fff}.risk-grid h2{margin:10px 0 8px;color:var(--title);font-size:23px}.risk-grid p{margin:0;color:var(--muted)}
.privacy-catalog{display:grid;gap:0}.privacy-catalog article{display:grid;grid-template-columns:160px 1fr;gap:24px;padding:23px 0;border-bottom:1px solid var(--gray-border)}.privacy-key{color:var(--blue);font-weight:850}.privacy-catalog h2{margin:0 0 7px;color:var(--title);font-size:23px}.privacy-catalog p{margin:0;color:var(--muted)}.warning-panel{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);gap:28px;align-items:center;padding:30px;border-radius:22px;background:var(--pale);border:1px solid var(--border)}.warning-panel h2{margin:0;color:var(--title);font-size:29px}.warning-panel p{margin:9px 0 0;color:var(--muted)}
.rules-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:34px}.rules-index{position:sticky;top:98px;align-self:start;padding:18px;border:1px solid var(--gray-border);border-radius:18px;background:var(--sub)}.rules-index strong{display:block;color:var(--title);margin-bottom:8px}.rules-index a{display:block;padding:7px 9px;border-radius:9px;color:var(--muted)}.rules-index a:hover{background:var(--pale);color:var(--blue)}.rules-content{display:grid;gap:0}.rules-content article{position:relative;padding:0 0 26px 48px;margin-bottom:25px;border-bottom:1px solid var(--gray-border)}.rules-content article>span{position:absolute;left:0;top:2px;color:var(--light);font-weight:900;font-size:22px}.rules-content h2{margin:0 0 8px;color:var(--title);font-size:25px}.rules-content p{margin:0;color:var(--muted)}
.help-categories{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.help-categories article{padding:21px;border:1px solid var(--gray-border);border-radius:18px;background:#fff}.help-mark{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:34px;padding:0 10px;border-radius:11px;background:var(--pale);color:var(--blue);font-size:12px;font-weight:850}.help-categories h2{margin:12px 0 7px;color:var(--title);font-size:20px}.help-categories p{margin:0 0 9px;color:var(--muted)}.help-categories a{color:var(--deep);font-weight:800}
.faq-list{max-width:980px}.faq-list details{padding-inline:22px}.faq-list summary{font-size:17px}.faq-list p{line-height:1.9}
.feedback-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.feedback-grid article{padding:22px;border-radius:18px;border:1px solid var(--gray-border);background:#fff}.feedback-grid h2{margin:0 0 8px;color:var(--title);font-size:21px}.feedback-grid p{margin:0;color:var(--muted)}
.contact-directory{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.contact-directory article{display:grid;grid-template-columns:48px 1fr;gap:15px;padding:22px;border:1px solid var(--gray-border);border-radius:18px;background:#fff}.contact-directory article>span{color:var(--light);font-weight:900;font-size:22px}.contact-directory h2{margin:0 0 7px;color:var(--title);font-size:21px}.contact-directory p{margin:0 0 8px;color:var(--muted)}.contact-directory a{color:var(--deep);font-weight:800}
.about-hero{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(260px,.65fr);gap:40px;align-items:center}.brand-emblem{min-height:230px;border-radius:26px;background:linear-gradient(145deg,#1478f2,#075dc9);color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:30px;box-shadow:var(--blue-shadow);text-align:center}.brand-emblem img{max-width:220px;max-height:96px;object-fit:contain}.brand-emblem strong{font-size:32px}.brand-emblem span{font-size:12px;letter-spacing:.12em;opacity:.8}.about-story-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:18px}.about-main,.about-side{padding:28px;border-radius:21px;border:1px solid var(--gray-border)}.about-main{background:#fff}.about-side{background:var(--pale)}.about-story-grid h2{margin:0 0 10px;color:var(--title);font-size:28px}.about-story-grid p{color:var(--muted)}.value-timeline{display:grid;gap:0}.value-timeline article{display:grid;grid-template-columns:70px 1fr;gap:20px;padding:24px 0;border-bottom:1px solid var(--gray-border)}.value-timeline article>span{color:var(--light);font-size:28px;font-weight:900}.value-timeline h2{margin:0 0 7px;color:var(--title);font-size:23px}.value-timeline p{margin:0;color:var(--muted)}
@media(max-width:1100px){.waterfall-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.feature-tile.tall{grid-row:auto}.help-categories{grid-template-columns:repeat(2,minmax(0,1fr))}.feedback-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.principle-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.service-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:820px){.split-heading,.process-layout,.app-hero-grid,.warning-panel,.about-hero,.about-story-grid,.rules-layout{grid-template-columns:1fr}.split-heading{gap:14px}.waterfall-grid{grid-template-columns:1fr}.feature-tile.wide{grid-column:auto}.topic-lead,.topic-row{grid-template-columns:48px 1fr}.knowledge-list article{grid-template-columns:1fr}.knowledge-list h2,.knowledge-list p,.knowledge-list a{grid-column:1}.notice-list article,.privacy-catalog article{grid-template-columns:1fr;gap:8px}.app-visual{min-height:auto;padding-top:12px}.app-detail-grid,.risk-grid,.faq-preview-grid,.contact-directory{grid-template-columns:1fr}.brand-band{align-items:flex-start;flex-direction:column}.rules-index{position:static;display:flex;gap:6px;overflow-x:auto}.rules-index strong{display:none}.rules-index a{flex:0 0 auto;background:#fff;border:1px solid var(--gray-border)}.help-categories,.feedback-grid,.principle-grid{grid-template-columns:1fr}.process-list li{grid-template-columns:1fr}.install-steps article{grid-template-columns:48px 1fr}.footer-bottom{padding-bottom:6px}}
@media(max-width:520px){.topic-lead{padding:22px 16px}.topic-row{grid-template-columns:38px 1fr;gap:12px}.feature-tile,.risk-grid article,.feedback-grid article,.help-categories article,.contact-directory article{padding:18px}.service-grid{grid-template-columns:1fr}.app-detail-grid{grid-template-columns:1fr}.install-steps article{grid-template-columns:1fr;gap:8px}.install-steps .route-no{grid-row:auto}.install-steps h2,.install-steps p,.install-steps .route-note{grid-column:1}.warning-panel{padding:22px}.brand-band{padding:22px}.about-main,.about-side{padding:22px}.rules-content article{padding-left:38px}.chip-links a,.chip-links span{font-size:13px}}
@media(max-width:820px){.home-hero .hero-main{order:1}.home-hero .hero-side:last-child{order:2}.home-hero .hero-side:first-child{order:3}}