:root{--brand:#0b7a3b;--dark:#171a18;--muted:#69716d;--line:#dce1de;--mist:#f2f5f3;--max:1180px}
*{box-sizing:border-box}body{margin:0;color:#111;font-family:Arial,"Noto Sans JP","Yu Gothic",Meiryo,sans-serif;line-height:1.75}a{color:inherit;text-decoration:none}.wrap{width:min(calc(100% - 48px),var(--max));margin:auto}.header{background:#0d100e;color:#fff}.nav{min-height:82px;display:flex;align-items:center;gap:34px}.logo{width:184px;filter:brightness(0) invert(1)}.links{display:flex;gap:28px;margin-left:auto;font-size:13px;font-weight:700}.lang{border:1px solid #66706a;padding:7px 10px}.menu-btn{display:none;background:none;border:1px solid #66706a;color:#fff;font:inherit;padding:7px 10px;cursor:pointer}.mobile-menu{display:none}.hero{padding:110px 0 90px;background:linear-gradient(90deg,#111b15,#183823);color:#fff}.eyebrow{color:#67cf83;font-size:12px;font-weight:800;letter-spacing:.18em}.hero h1{max-width:850px;margin:12px 0 24px;font-size:clamp(42px,6vw,76px);line-height:1.08}.hero p{max-width:720px;color:#d5ded8}.section{padding:90px 0}.section.alt{background:var(--mist)}h2{margin:0 0 24px;font-size:clamp(30px,4vw,48px);line-height:1.2}.lead{max-width:780px;color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:38px}.card{padding:30px;background:#fff;border-top:4px solid var(--brand)}.card b{color:var(--brand);font-size:12px}.card h3{margin:10px 0}.company{display:grid;grid-template-columns:1.2fr .8fr;gap:50px;align-items:center}.company-box{padding:32px;background:#171a18;color:#fff}.company-box p{color:#c6d0ca}.group-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:38px}.group-card{padding:32px;background:#fff;border-top:4px solid var(--brand);display:flex;flex-direction:column}.group-card h3{margin:8px 0 12px;font-size:24px}.group-card p{color:var(--muted);flex:1}.group-card .btn{align-self:flex-start;margin-top:10px}.btn{display:inline-flex;padding:15px 22px;background:var(--brand);color:#fff;font-weight:800}.footer{padding:34px 0;background:#0d100e;color:#aeb7b1;font-size:12px}.footer-row{display:flex;justify-content:space-between;gap:20px}.footer a{color:#fff}@media(max-width:760px){.links{display:none}.menu-btn{display:block}.mobile-menu.open{display:grid;position:absolute;left:0;right:0;top:66px;z-index:20;background:#0d100e;padding:18px 24px;gap:16px;border-top:1px solid #39413d}.nav{position:relative}.nav{min-height:66px}.logo{width:150px}.lang{margin-left:auto}.hero{padding:72px 0 62px}.hero h1{font-size:clamp(40px,12vw,54px);line-height:1.12;word-break:keep-all;overflow-wrap:break-word}.hero p{font-size:16px;line-height:1.9}.section{padding:60px 0}h2{font-size:clamp(30px,9vw,40px);word-break:keep-all;overflow-wrap:break-word}.lead{font-size:16px;line-height:1.9}.cards,.company,.group-cards{grid-template-columns:1fr}.card,.group-card,.company-box{padding:26px 22px}.btn{max-width:100%;text-align:center;justify-content:center}.wrap{width:min(calc(100% - 36px),var(--max))}.footer-row{display:block}}


/* Shared four-language switcher */
.lang-switcher{display:flex;align-items:center;gap:0;white-space:nowrap;border:1px solid rgba(255,255,255,.45);font-size:11px;font-weight:800;letter-spacing:.02em}
.lang-switcher a{padding:8px 7px!important;border:0!important;color:inherit;text-decoration:none;line-height:1}
.lang-switcher a+a{border-left:1px solid rgba(255,255,255,.28)!important}
.lang-switcher a[aria-current="page"]{background:#2f8f4e;color:#fff}
.lang-switcher-dark{border-color:#d4e1d8;color:#174d35}
.lang-switcher-dark a+a{border-left-color:#d4e1d8!important}
@media(max-width:1000px){.lang-switcher{margin-left:auto}.lang-switcher a{padding:7px 6px!important}}
@media(max-width:640px){.lang-switcher{font-size:10px}.lang-switcher a{padding:7px 5px!important}}