:root{
  --navy:#071d3a; --navy-2:#103b68; --navy-3:#0b2c52; --silver:#cfd6df; --silver-2:#eef2f7; --text:#142033; --muted:#667085; --line:#e5e9f0; --white:#fff;
  --shadow:0 22px 70px rgba(7,29,58,.16);
}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;font-family:"Noto Sans SC","Noto Sans JP",system-ui,-apple-system,sans-serif;color:var(--text);background:var(--white);line-height:1.7} a{text-decoration:none;color:inherit}.container{width:min(1140px,calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.nav-wrap{height:86px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand img{height:58px;width:auto;display:block}.site-nav{display:flex;gap:24px;align-items:center;font-weight:700;color:#344054}.lang-switch{display:flex;align-items:center;gap:6px;border:1px solid var(--line);background:#f7f9fc;border-radius:999px;padding:4px}.lang-btn{border:0;background:transparent;color:#344054;font-weight:800;border-radius:999px;padding:7px 10px;cursor:pointer}.lang-btn.active{background:var(--navy);color:#fff;box-shadow:0 8px 20px rgba(7,29,58,.18)}.site-nav a:hover{color:var(--navy-2)}.nav-cta{padding:10px 18px;border:1px solid var(--navy);border-radius:999px;color:var(--navy)!important}.nav-toggle{display:none;border:0;background:transparent;font-size:28px;color:var(--navy)}
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--navy),#0d315b 70%,#183f6a);color:#fff;padding:96px 0 92px}.hero:before{content:"";position:absolute;inset:-10%;background:radial-gradient(circle at 76% 20%,rgba(207,214,223,.45),transparent 26%),radial-gradient(circle at 85% 78%,rgba(255,255,255,.12),transparent 18%);opacity:.95}.hero:after{content:"";position:absolute;width:640px;height:640px;border:1px solid rgba(255,255,255,.12);border-radius:50%;right:-130px;top:30px;box-shadow:inset 0 0 0 40px rgba(255,255,255,.025)}.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}.eyebrow{margin:0 0 12px;color:#93a8c9;letter-spacing:.13em;text-transform:uppercase;font-size:13px;font-weight:900}.hero h1{font-size:clamp(42px,6vw,68px);line-height:1.08;letter-spacing:-.05em;margin:0 0 24px}.hero-subtitle{font-size:19px;color:#d9e4f2;max-width:700px;margin:0 0 34px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 24px;border-radius:999px;font-weight:900;transition:.2s ease}.btn.primary{background:linear-gradient(135deg,#fff,var(--silver));color:var(--navy);box-shadow:0 12px 30px rgba(0,0,0,.18)}.btn.secondary{border:1px solid rgba(255,255,255,.35);color:#fff}.btn:hover{transform:translateY(-2px)}.trust-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}.trust-row span{padding:8px 13px;border:1px solid rgba(255,255,255,.22);border-radius:999px;color:#dbe4f0;font-size:14px;background:rgba(255,255,255,.04)}
.hero-card{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.2);border-radius:30px;padding:34px;box-shadow:var(--shadow);backdrop-filter:blur(12px)}.hero-mark{display:block;width:124px;height:124px;object-fit:contain;border-radius:28px;margin-bottom:18px;background:#fff;box-shadow:0 18px 50px rgba(0,0,0,.18)}.hero-card h2{font-size:30px;margin:0 0 10px}.hero-card p,.hero-card li{color:#dce6f4}.hero-card ul{padding-left:20px;margin:18px 0 0}
.section{padding:88px 0}.section.alt{background:linear-gradient(180deg,#f7f9fc,#eef3f8)}.section-head{max-width:740px;margin-bottom:34px}.section-head.center{text-align:center;margin-left:auto;margin-right:auto}.section h2{font-size:clamp(30px,4vw,46px);line-height:1.18;color:var(--navy);margin:0 0 14px;letter-spacing:-.035em}.section-head p,.lead{color:var(--muted);font-size:18px}.cards.three{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.info-card,.step,.feature-list>div,details{background:#fff;border:1px solid var(--line);border-radius:26px;padding:28px;box-shadow:0 14px 40px rgba(7,29,58,.07)}.icon{font-size:32px;display:inline-flex;margin-bottom:14px}.info-card h3,.step h3{color:var(--navy);font-size:22px;margin:0 0 10px}.info-card p,.step p,.feature-list p,details p{color:var(--muted);margin:0}.split{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:center}.category-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.category-grid div{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;font-weight:900;color:var(--navy);position:relative}.category-grid div:before{content:"";display:inline-block;width:8px;height:8px;background:var(--silver);border-radius:50%;margin-right:10px}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.step span{display:block;color:#9aa9bd;font-size:28px;font-weight:900;letter-spacing:.08em;margin-bottom:8px}.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px}.feature-list{display:grid;gap:16px}.feature-list strong{display:block;color:var(--navy);font-size:20px;margin-bottom:8px}.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto}summary{cursor:pointer;font-weight:900;color:var(--navy);font-size:18px}details p{padding-top:12px}.contact-section{padding:90px 0;background:linear-gradient(135deg,var(--navy),#123c68);color:#fff;position:relative;overflow:hidden}.contact-section:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 15% 20%,rgba(255,255,255,.1),transparent 28%),radial-gradient(circle at 90% 70%,rgba(207,214,223,.22),transparent 22%)}.contact-card{position:relative;z-index:1;display:grid;grid-template-columns:1fr .9fr;gap:44px;align-items:center}.contact-card h2{font-size:clamp(32px,4vw,48px);margin:0 0 14px}.contact-card p{color:#dce6f4}.contact-box{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);border-radius:28px;padding:30px}.contact-box a{text-decoration:underline;overflow-wrap:anywhere}.btn.full{width:100%;margin-top:16px;text-decoration:none}.site-footer{padding:28px 0;background:#06172d;color:#c7d3e4}.footer-grid{display:flex;justify-content:space-between;gap:28px;align-items:center}.footer-grid img{height:64px;background:#fff;border-radius:12px;padding:4px}.footer-grid p{margin:0;color:#99a9bd;text-align:right}
@media(max-width:980px){.site-nav{gap:14px}.brand img{height:50px}.lang-btn{padding:6px 8px;font-size:12px}}
@media(max-width:860px){.nav-wrap{height:78px}.brand img{height:48px}.nav-toggle{display:block}.lang-switch{order:2}.site-nav{display:none;position:absolute;left:20px;right:20px;top:78px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}.site-nav.open{display:flex}.hero-grid,.split,.about-grid,.contact-card{grid-template-columns:1fr}.cards.three,.steps{grid-template-columns:1fr}.category-grid{grid-template-columns:1fr}.hero{padding:70px 0}.section,.contact-section{padding:64px 0}.footer-grid{flex-direction:column;align-items:flex-start}.footer-grid p{text-align:left}.hero-mark{width:104px;height:104px}}