:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;color:#172b36;background:#f7f9fa;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;min-height:100vh;display:flex;flex-direction:column}
a{color:#174d68;text-underline-offset:.2em}
a:hover{color:#0d3448}
a:focus-visible{outline:2px solid #276d90;outline-offset:3px;border-radius:3px}
.shell{width:min(100% - 48px,1016px);margin-inline:auto}
.skip{position:absolute;top:-60px;left:16px;padding:10px 16px;background:#fff;z-index:5}
.skip:focus{top:12px}
.site-header{background:#fff;border-bottom:1px solid #dae2e6}
.header-inner{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:12px;color:#18303b;text-decoration:none;font-size:1.12rem;font-weight:600;letter-spacing:.09em;white-space:nowrap}
.brand em{font-size:.7em;font-style:normal;font-weight:500;letter-spacing:.1em;color:#667c86}
.brand-mark{display:grid;place-items:center;width:32px;height:32px;border-radius:8px;background:#183341;color:#fff;font-size:1.1rem;letter-spacing:0;font-weight:500}
nav{display:flex;gap:clamp(10px,2.3vw,28px);align-items:center;flex-wrap:wrap}
nav a{display:inline-flex;align-items:center;min-height:44px;color:#526a76;text-decoration:none;font-size:.87rem;white-space:nowrap}
nav a[aria-current="page"]{color:#143d53;border-bottom:1px solid #143d53}
.main{flex:1;padding-top:clamp(52px,8vw,100px);padding-bottom:clamp(80px,10vw,128px)}
.heading{padding-bottom:31px;border-bottom:1px solid #d6e0e5}
.eyebrow{margin:0 0 17px;color:#6d838e;font-size:.73rem;font-weight:600;letter-spacing:.23em}
h1{margin:0;color:#142f3d;font-size:clamp(2rem,4.1vw,3.4rem);font-weight:500;letter-spacing:-.03em;line-height:1.3}
.content{max-width:760px;padding-top:36px;color:#314752;font-size:1rem;line-height:1.95;overflow-wrap:anywhere}
.content .intro{font-size:1.1rem;line-height:1.9;color:#203a47;margin:0 0 48px}
.content section{margin-top:48px}
.content h2{font-size:1.12rem;font-weight:600;color:#183b4b;line-height:1.5;margin:0 0 14px}
.content p{margin:0 0 18px}
.content ul{padding-left:1.5em;margin:0}
.content li{padding-left:.15em;margin-bottom:8px}
.content .date,.content .quiet{color:#6f8189;font-size:.88rem;margin-top:46px}
.link-list{border-top:1px solid #d6e0e5}
.link-list a{display:flex;align-items:center;justify-content:space-between;min-height:90px;gap:20px;padding:18px 6px;border-bottom:1px solid #d6e0e5;text-decoration:none;color:#1c3b4a}
.link-list a:hover{background:#edf3f5}
.link-list strong,.link-list small{display:block}
.link-list strong{font-size:1.04rem;font-weight:600}
.link-list small{color:#71838c;font-size:.84rem;line-height:1.5;margin-top:2px}
.contact-card{padding:30px 32px;border:1px solid #d8e2e7;border-radius:13px;background:#fff}
.content .contact-card{margin-top:0}
.contact-card .email{display:inline-block;font-size:clamp(1.18rem,2.4vw,1.5rem);font-weight:500;line-height:1.45;margin-bottom:18px;overflow-wrap:anywhere}
.contact-card p{font-size:.94rem;color:#5a707c;margin-bottom:0}
.site-footer{background:#eef2f4;border-top:1px solid #d8e1e5;color:#6b7d86;font-size:.82rem}
.footer-inner{display:flex;gap:10px 28px;align-items:center;flex-wrap:wrap;min-height:84px;padding-block:20px}
.footer-inner a{margin-left:auto;color:#526e7d}
@media(max-width:680px){.shell{width:min(100% - 36px,1016px)}.header-inner{align-items:flex-start;flex-direction:column;gap:3px;padding-top:18px}.header-inner nav{width:100%;gap:20px}.main{padding-top:48px}.heading{padding-bottom:24px}.content{padding-top:28px}.content .intro{margin-bottom:34px}.content section{margin-top:38px}.contact-card{padding:24px}.footer-inner{align-items:flex-start;flex-direction:column;gap:5px}.footer-inner a{margin-left:0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}