:root{--bg:#f6f8fb;--surface:#ffffff;--surface-2:#f3f7fb;--surface-3:#eef4f9;--text:#203246;--muted:#5c6d7d;--line:#d7e0ea;--blue:#1f5f99;--blue-dark:#17456f;--green:#3b8f61;--green-dark:#2f6e4b;--footer:#1c2e42;--max:1200px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Hiragino Sans","Yu Gothic UI","Yu Gothic","Meiryo",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:linear-gradient(180deg,#f8fbfd 0%,#f5f8fb 100%);line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}ul{margin:0;padding:0;list-style:none}.container{width:min(calc(100% - 32px),var(--max));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.97);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid rgba(31,95,153,.10)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:88px}.brand{display:flex;align-items:center;gap:14px;min-width:0;flex:1 1 auto}.brand-logo{width:190px;height:50px;flex:0 0 190px;display:flex;align-items:center;justify-content:flex-start}.brand-logo img{display:block;width:100%;height:auto;max-height:50px;object-fit:contain;object-position:left center}.brand-text strong{display:block;font-size:17px;line-height:1.3;color:#223852;white-space:nowrap}.main-nav{display:flex;align-items:center;gap:20px;flex-wrap:wrap}.main-nav a{position:relative;padding:8px 0;font-size:14px;font-weight:700;color:#24415f}.main-nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--blue);transition:width .25s ease}.main-nav a:hover::after{width:100%}.menu-btn{border:1px solid var(--line);background:#fff;color:#27425f;padding:10px 14px;font-size:14px;display:none;cursor:pointer}
.hero{position:relative;overflow:hidden;color:#fff;isolation:isolate;background:linear-gradient(135deg, rgba(12,30,50,.58) 0%, rgba(12,30,50,.26) 34%, rgba(18,79,49,.12) 100%),url("forest.jpg") center center / cover no-repeat}.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 16% 20%, rgba(255,255,255,.06), transparent 28%),radial-gradient(circle at 82% 18%, rgba(255,255,255,.06), transparent 24%),linear-gradient(180deg, rgba(7,18,30,.06) 0%, rgba(7,18,30,.01) 24%, rgba(7,18,30,.10) 100%);pointer-events:none;z-index:-1}.hero::after{content:"";position:absolute;inset:auto 0 0 0;height:170px;background:linear-gradient(180deg, rgba(246,248,251,0) 0%, rgba(246,248,251,.22) 40%, #f6f8fb 100%);pointer-events:none}.hero__inner{position:relative;z-index:1;padding:56px 0 140px;display:grid;grid-template-columns:1fr;align-items:end;min-height:500px;max-width:760px}.hero-copy h1{margin:0 0 18px;font-size:clamp(36px,5.2vw,64px);line-height:1.1;letter-spacing:.02em;font-weight:800}.hero-copy p{margin:0;max-width:760px;font-size:18px;line-height:1.95;color:rgba(255,255,255,.98);text-shadow:0 1px 2px rgba(0,0,0,.16)}
main section{padding:72px 0}.section-surface{background:linear-gradient(180deg,var(--surface-3),#f8fbfd);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:28px}.section-head h2{margin:0;font-size:clamp(26px,4vw,38px);line-height:1.24}.eyebrow{display:inline-block;margin-bottom:10px;font-size:12px;letter-spacing:.14em;color:var(--blue);font-weight:800}
.news-block,.panel-card{background:var(--surface);border:1px solid var(--line);overflow:hidden}.news-head,.panel-head{padding:18px 20px;background:linear-gradient(180deg,var(--surface-2),#fff);border-bottom:1px solid var(--line)}.news-head h3,.panel-head h3{margin:0;font-size:22px}.news-list li{display:grid;grid-template-columns:110px 100px 1fr 24px;gap:16px;align-items:center;padding:18px 24px;border-bottom:1px solid var(--line)}.news-list li:last-child{border-bottom:none}.news-date{font-size:14px;color:var(--muted);font-variant-numeric:tabular-nums}.news-cat{display:inline-flex;justify-content:center;align-items:center;padding:4px 10px;background:#edf5ef;color:var(--green-dark);font-size:12px;font-weight:700}.news-title{font-size:16px;font-weight:700}.news-arrow{justify-self:end;color:var(--blue);font-size:20px}
.portal-grid,.simple-card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.panel-body{padding:20px}.panel-text{margin:0 0 16px;color:var(--muted);font-size:15px}
.link-list{display:grid;gap:0}.link-item{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line)}.link-item:last-child{border-bottom:none}.link-item strong{display:block}.link-item small{display:block;color:var(--muted)}.open-link{display:inline-flex;align-items:center;gap:8px;color:var(--blue-dark);font-weight:800;white-space:nowrap}
.site-footer{background:linear-gradient(180deg,#223b58,#1b2f45);color:#f5f8fc;padding:28px 0}.footer-inner{display:flex;justify-content:space-between;gap:24px;align-items:flex-start}.footer-meta{display:grid;gap:6px;text-align:right}.mono{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;word-break:break-all}
@media (max-width:1080px){.portal-grid,.simple-card-grid{grid-template-columns:1fr}}@media (max-width:840px){.main-nav{position:fixed;inset:83px 0 auto 0;background:#fff;border-bottom:1px solid var(--line);padding:18px 16px 24px;display:none;flex-direction:column;align-items:flex-start;gap:8px;box-shadow:0 16px 40px rgba(0,0,0,.08)}.main-nav.is-open{display:flex}.main-nav a{width:100%;padding:12px 0}.menu-btn{display:inline-flex}.news-list li,.link-item{grid-template-columns:1fr;gap:8px}.footer-inner{flex-direction:column}.footer-meta{text-align:left}}@media (max-width:520px){.header-inner{min-height:80px}.brand{gap:10px}.brand-logo{width:154px;height:40px;flex-basis:154px}.brand-logo img{max-height:40px}.brand-text strong{font-size:14px;white-space:normal}.hero__inner{min-height:420px;padding:42px 0 116px}.hero-copy h1{font-size:clamp(30px,8.2vw,44px)}.hero-copy p{font-size:16px}main section{padding:58px 0}}