:root{--navy:#173e70;--blue:#2468b4;--sky:#eaf6fc;--ink:#17212b;--muted:#5c6976;--line:#dce7ee;--white:#fff;--green:#7fbd82;--radius:22px;--shadow:0 16px 45px rgba(28,71,110,.1);--container:1180px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;color:var(--ink);font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;font-size:16px;line-height:1.8;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{line-height:1.4;overflow-wrap:anywhere}
.container{width:min(calc(100% - 48px),var(--container));margin:auto}
.section{padding:92px 0}
.eyebrow{margin:0 0 13px;color:var(--blue);font-size:12px;font-weight:900;letter-spacing:.16em}
.section-heading{max-width:760px;margin-bottom:44px}
.section-heading.center{text-align:center;margin-inline:auto}
.section-heading h2{font-size:clamp(31px,3.5vw,46px);margin-bottom:16px}
.section-heading>p:last-child{color:var(--muted)}

.site-header{height:88px;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;backdrop-filter:blur(14px)}
.header-inner{width:min(calc(100% - 48px),var(--container));height:100%;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand img{width:210px}
.global-nav{height:100%;display:flex;align-items:center;gap:19px;font-size:14px;font-weight:700}
.global-nav>a:not(.header-cta),.nav-group>summary{height:100%;display:flex;align-items:center;white-space:nowrap;position:relative;cursor:pointer;list-style:none}
.nav-group>summary::-webkit-details-marker{display:none}
.nav-group>summary::after{content:"";width:6px;height:6px;border-right:1.5px solid;border-bottom:1.5px solid;transform:rotate(45deg);margin:-4px 0 0 8px}
.nav-group{height:100%;position:relative}
.submenu{width:320px;position:absolute;top:76px;left:-20px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:0 20px 45px rgba(28,71,110,.16);opacity:0;visibility:hidden;transform:translateY(-8px);transition:.2s}
.nav-group:hover>.submenu,.nav-group[open]>.submenu{opacity:1;visibility:visible;transform:none}
.submenu::before{content:"";position:absolute;left:0;right:0;top:-14px;height:14px}
.submenu a{display:block;padding:12px 14px;border-radius:9px;line-height:1.45}
.submenu a:hover{background:var(--sky)}
.submenu strong,.submenu small{display:block}
.submenu small{color:var(--muted);font-size:11px;font-weight:500;margin-top:3px}
.submenu-right{left:auto;right:-16px}
.header-cta{color:#fff;background:var(--navy);border-radius:12px;padding:12px 18px}
.nav-toggle,.nav-toggle-label{display:none}

.page-hero{background:linear-gradient(135deg,#f9fcfe,#eaf6fc);padding:80px 0}
.breadcrumbs{color:#687785;font-size:13px;margin-bottom:35px}
.breadcrumbs a{color:var(--blue)}
.page-hero-grid{display:grid;grid-template-columns:1fr .48fr;align-items:center;gap:60px}
.page-hero h1{font-size:clamp(40px,4.4vw,56px);letter-spacing:-.035em;margin:0 0 18px}
.page-hero .lead{max-width:720px;color:var(--muted);font-size:18px}
.hero-visual{width:300px;height:260px;margin:0 0 0 auto;display:grid;place-items:center}
.hero-visual img{width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 18px 25px rgba(28,71,110,.12))}
.button{min-height:54px;display:inline-flex;align-items:center;justify-content:center;padding:12px 25px;border-radius:11px;font-weight:800}
.button-primary{color:#fff;background:var(--blue)}
.button-secondary{color:var(--navy);background:#fff;border:1px solid #bed2df}
.text-link{color:var(--blue);font-weight:800}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{padding:30px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 30px rgba(28,71,110,.05)}
.card .number{width:46px;height:46px;display:grid;place-items:center;background:var(--sky);border-radius:13px;color:var(--blue);font-weight:900;margin-bottom:22px}
.card h3{font-size:21px;margin-bottom:12px}
.card p{color:var(--muted);font-size:15px;margin:0}
.blue-section{background:var(--navy);color:#fff}
.blue-section .eyebrow{color:#91d0f2}
.blue-section .card{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.15)}
.blue-section .card p{color:#d6e4ef}
.split{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:center}
.visual-panel{background:var(--sky);border-radius:28px;padding:40px}
.check-list{padding:0;list-style:none}
.check-list li{padding:11px 0;border-bottom:1px solid var(--line)}
.check-list li::before{content:"✓";color:var(--green);font-weight:900;margin-right:10px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step{padding:28px 22px;border-top:4px solid var(--blue);background:#fff;border-radius:0 0 16px 16px;border-left:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.step b{display:block;color:var(--blue);font-size:12px;margin-bottom:16px}
.step h3{font-size:18px}
.step p{font-size:14px;color:var(--muted);margin:0}

.faq-layout{display:grid;grid-template-columns:260px 1fr;gap:55px}
.faq-nav{position:sticky;top:115px;align-self:start;padding:22px;background:var(--sky);border-radius:16px}
.faq-nav a{display:block;padding:8px 0;color:var(--navy);font-weight:700;font-size:14px}
.faq-group{margin-bottom:55px}
.faq-group h2{font-size:28px}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-item summary{padding:21px 44px 21px 4px;font-weight:800;cursor:pointer;position:relative;list-style:none}
.faq-item summary::after{content:"＋";position:absolute;right:8px;color:var(--blue)}
.faq-item[open] summary::after{content:"−"}
.faq-answer{padding:0 40px 23px 4px;color:var(--muted)}

.company-table{border-top:2px solid var(--navy)}
.company-row{display:grid;grid-template-columns:220px 1fr;border-bottom:1px solid var(--line);padding:21px 12px}
.company-row dt{font-weight:800}
.company-row dd{margin:0}
.contact-wrap{background:#f4f9fc}
.contact-form{max-width:850px;margin:auto;background:#fff;padding:45px;border-radius:24px;box-shadow:var(--shadow)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-weight:800;font-size:14px}
.field input,.field textarea,.field select{width:100%;border:1px solid #cbd9e2;border-radius:9px;padding:13px 14px;font:inherit;background:#fff}
.field textarea{min-height:160px;resize:vertical}
.privacy{margin:25px 0}
.contact-form button{border:0;cursor:pointer;width:100%}

.news-tabs{display:flex;gap:10px;margin-bottom:35px}
.news-tabs a{padding:9px 18px;border-radius:20px;background:var(--sky);font-weight:700;font-size:13px}
.news-tabs a.active{color:#fff;background:var(--blue)}
.news-list{border-top:1px solid var(--line)}
.news-item{display:grid;grid-template-columns:120px 120px 1fr 25px;gap:15px;align-items:center;min-height:92px;border-bottom:1px solid var(--line)}
.news-item time{color:var(--muted);font-size:13px}
.tag{color:var(--blue);background:var(--sky);border-radius:20px;padding:4px 10px;text-align:center;font-size:11px}
.article-hero{background:linear-gradient(135deg,#f9fcfe,#eaf6fc);padding:70px 0}
.article-hero-grid{display:grid;grid-template-columns:1fr 320px;align-items:center;gap:70px}
.article-hero h1{font-size:clamp(34px,4.5vw,52px);letter-spacing:-.03em}
.article{width:min(calc(100% - 48px),850px);margin:auto}
.article-meta{display:flex;gap:12px;align-items:center;margin-bottom:24px}
.article-body{font-size:17px}
.article-body h2{font-size:28px;margin-top:50px}
.article-body p{color:#44515d}
.article-nav{display:flex;justify-content:space-between;border-top:1px solid var(--line);margin-top:60px;padding-top:25px}

.plan-note{text-align:center;margin:28px 0 0;color:var(--muted)}

.contact-cta{background:var(--navy);color:#fff;padding:72px 0}
.contact-cta .eyebrow{color:#91d0f2}
.cta-grid{display:flex;justify-content:space-between;align-items:center;gap:40px}
.cta-grid h2{font-size:clamp(30px,4vw,44px);margin-bottom:10px}
.cta-actions{display:flex;gap:12px}
.site-footer{padding:36px 0 18px}
.footer-grid{display:flex;justify-content:space-between;gap:40px}
.footer-grid img{width:190px}
.footer-grid p{color:var(--muted);font-size:13px}
.footer-grid nav{max-width:550px;display:flex;justify-content:flex-end;gap:10px 25px;flex-wrap:wrap;font-size:13px;font-weight:700}
.footer-bottom{border-top:1px solid var(--line);margin-top:28px;padding-top:18px;color:#5c6976}

@media(max-width:1000px){.global-nav{gap:12px;font-size:12px}
.brand img{width:180px}
.card-grid{grid-template-columns:1fr 1fr}
.steps{grid-template-columns:1fr 1fr}
}

@media(max-width:860px){.site-header{height:72px}
.brand img{width:175px}
.nav-toggle-label{display:flex;width:31px;height:24px;flex-direction:column;justify-content:space-between}
.nav-toggle-label span{height:2px;background:var(--navy)}
.global-nav{height:auto;max-height:calc(100vh - 72px);overflow:auto;position:fixed;top:72px;left:0;right:0;display:flex;flex-direction:column;align-items:stretch;background:#fff;padding:14px 24px 28px;transform:translateY(-130%);transition:.3s;box-shadow:var(--shadow)}
.nav-toggle:checked~.global-nav{transform:none}
.global-nav>a:not(.header-cta){height:auto;padding:13px 5px}
.nav-group{height:auto;border-bottom:1px solid var(--line)}
.nav-group>summary{height:auto;padding:13px 5px}
.submenu,.submenu-right{display:none;position:static;width:auto;opacity:1;visibility:visible;transform:none;border:0;box-shadow:none;padding:0 0 10px 10px}
.nav-group:hover>.submenu{display:none}
.nav-group[open]>.submenu,.nav-group[open]:hover>.submenu{display:block}
.header-cta{text-align:center;margin-top:12px}
.page-hero-grid,.split,.faq-layout,.article-hero-grid{grid-template-columns:1fr}
.hero-visual{width:230px;height:190px;margin:20px auto 0}
.faq-nav{position:static}
.cta-grid,.footer-grid{flex-direction:column;align-items:flex-start}
.footer-grid nav{justify-content:flex-start}
}

@media(max-width:580px){.container{width:calc(100% - 32px);max-width:var(--container)}
.section{padding:68px 0}
.page-hero{padding:55px 0}
.page-hero h1{font-size:34px}
.page-hero .lead{font-size:15px}
.section-heading h2{font-size:29px}
.card-grid,.steps,.form-grid{grid-template-columns:minmax(0,1fr)}
.field.full{grid-column:auto}
.contact-form{padding:25px 20px}
.company-row{grid-template-columns:1fr;gap:6px}
.news-item{grid-template-columns:90px minmax(0,1fr) 20px;padding:16px 0}
.news-item .tag{grid-column:1}
.news-item strong{grid-column:2}
.news-item>span:last-child{grid-column:3;grid-row:1/3}
.cta-actions{width:100%;flex-direction:column}
.cta-actions .button{width:100%}
.footer-grid nav{display:grid;grid-template-columns:1fr 1fr}
.article-body{font-size:16px}
}

.global-nav a.is-current,.global-nav summary.is-current{color:var(--blue)}
.global-nav>a.is-current::after{content:"";position:absolute;left:0;right:0;bottom:20px;height:2px;background:var(--blue)}
.nav-group>summary.is-current::before{content:"";position:absolute;left:0;right:0;bottom:20px;height:2px;background:var(--blue)}
.submenu a.is-current{background:var(--sky);color:var(--blue)}
.go-to-top{position:fixed;right:24px;bottom:24px;z-index:80;width:58px;height:58px;border:0;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;background:var(--navy);box-shadow:0 12px 30px rgba(23,62,112,.28);cursor:pointer;opacity:0;visibility:hidden;transform:translateY(14px);transition:.25s}
.go-to-top span{font-size:20px;line-height:1}
.go-to-top small{font-size:9px;font-weight:800;letter-spacing:.08em}
.go-to-top.is-visible{opacity:1;visibility:visible;transform:none}
.go-to-top:hover{background:var(--blue);transform:translateY(-2px)}
@media(max-width:860px){.global-nav>a.is-current{color:var(--blue);background:var(--sky);padding-left:12px!important}
.global-nav>a.is-current::after,.nav-group>summary.is-current::before{display:none}
.nav-group>summary.is-current{color:var(--blue)}
.go-to-top{right:16px;bottom:16px;width:50px;height:50px}
}
.page-hero .hero-visual:has(img[src*="company-hero"]){width:300px;height:260px;background:url('../images/hero-icons/company-building.svg') center/176px 176px no-repeat;filter:drop-shadow(0 16px 24px rgba(28,71,110,.1))}
.page-hero .hero-visual:has(img[src*="company-hero"]) img{display:none}
@media(max-width:860px){.page-hero .hero-visual:has(img[src*="company-hero"]){width:230px;height:190px;background-size:140px 140px}}
@media(max-width:580px){.page-hero .hero-visual:has(img[src*="company-hero"]){width:160px;height:140px;background-size:118px 118px}}
/* Shared footer sitemap */
.footer-grid .footer-sitemap{width:min(100%,720px);max-width:720px;display:grid;grid-template-columns:repeat(4,minmax(120px,1fr));gap:28px;justify-content:initial;font-size:13px;font-weight:400}
.footer-sitemap-group{display:flex;flex-direction:column;align-items:flex-start;gap:9px}
.footer-sitemap-group>strong{margin-bottom:3px;color:var(--navy);font-size:13px;letter-spacing:.04em}
.footer-sitemap-group>a{color:#52616e;font-size:12px;line-height:1.5;text-decoration:none}
.footer-sitemap-group>a:hover{color:var(--blue)}
@media(max-width:900px){.footer-grid .footer-sitemap{grid-template-columns:repeat(2,minmax(150px,1fr));gap:28px 40px}}
@media(max-width:560px){.footer-grid .footer-sitemap{grid-template-columns:1fr 1fr;gap:26px 20px}}
html[lang="zh-CN"] body{font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC",Arial,sans-serif}
.global-nav{gap:16px}
@media(max-width:1000px){.global-nav{gap:12px}}
@media(max-width:860px){.global-nav{gap:0}}
.global-nav>.header-cta{height:46px;min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:9px;color:#fff;background:linear-gradient(135deg,var(--navy),#285f9f);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:10px 19px 10px 21px;box-shadow:0 7px 18px rgba(23,62,112,.16);white-space:nowrap;transition:transform .22s,box-shadow .22s,background .22s}
.global-nav>.header-cta::after{content:"→";font-size:16px;line-height:1;transition:transform .22s}
.global-nav>.header-cta:hover{background:linear-gradient(135deg,#20558f,var(--blue));box-shadow:0 10px 24px rgba(23,62,112,.24);transform:translateY(-2px)}
.global-nav>.header-cta:hover::after{transform:translateX(3px)}
.global-nav>a.header-login{height:46px;min-height:46px;display:inline-flex;align-items:center;justify-content:center;color:var(--navy);background:#fff;border:1px solid #b9cde0;border-radius:999px;padding:10px 17px;box-shadow:0 5px 14px rgba(23,62,112,.08);white-space:nowrap;transition:color .22s,border-color .22s,background .22s,transform .22s,box-shadow .22s}
.global-nav>a.header-login:hover{color:var(--blue);background:#f5faff;border-color:#7fa9d0;box-shadow:0 8px 18px rgba(23,62,112,.13);transform:translateY(-2px)}
.global-nav>a.header-login::before,.global-nav>a.header-login::after{display:none}
@media(max-width:860px){.global-nav>.header-cta{min-height:46px;margin-top:12px}.global-nav>.header-cta:hover{transform:none}}
@media(max-width:860px){.global-nav>a.header-login{height:46px;min-height:46px;margin-top:12px}.global-nav>a.header-login:hover{transform:none}.global-nav>.header-login+.header-cta{margin-top:10px}}
.submenu .submenu-language-switch{margin-top:7px;padding-top:14px;border-top:1px solid var(--line)}
.submenu .submenu-language-switch strong{color:var(--blue)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px}
.footer-language-switch{color:var(--blue);font-size:12px;font-weight:700}
.footer-language-switch:hover{text-decoration:underline}