:root{--ink:#0b1f3a;--muted:#5b6778;--line:#dbe5ee;--bg:#f6f8fb;--card:#ffffff;--accent:#0b7f95;--accent2:#eaf5f8;}
*{box-sizing:border-box}html{font-size:16px}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;line-height:1.75;letter-spacing:0;text-align:left;-webkit-text-size-adjust:100%;}
a{color:#0b6f8a;text-decoration:none}a:hover{text-decoration:underline}.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}.header-inner{max-width:1120px;margin:auto;padding:22px 28px 18px}.brand{display:inline-flex;flex-direction:column;gap:2px;color:var(--ink)}.brand strong{font-size:1.35rem;letter-spacing:.03em}.brand span{font-size:.86rem;color:var(--muted);letter-spacing:.04em}.nav{margin-top:18px;display:flex;gap:10px;flex-wrap:wrap}.nav a{padding:8px 14px;border-radius:999px;color:var(--ink);background:#f2f6f9}.nav a.active,.nav a:hover{background:var(--accent2);color:#075f73;text-decoration:none}.hero{background:linear-gradient(135deg,#eef8fb 0%,#fff 54%,#f4f7fb 100%);border-bottom:1px solid var(--line)}.hero-inner,.wrap{max-width:1120px;margin:auto;padding:46px 28px}.eyebrow{color:var(--accent);font-size:.78rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;margin-bottom:10px}.hero h1{font-size:clamp(2rem,4vw,3.35rem);line-height:1.28;margin:0 0 18px;letter-spacing:.01em}.lead{font-size:1.06rem;color:#203149;max-width:900px}.section{margin:28px 0}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:0 8px 24px rgba(10,32,58,.05)}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.info-grid{display:grid;grid-template-columns:220px 1fr;gap:0;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff}.info-grid dt,.info-grid dd{padding:16px 18px;border-bottom:1px solid var(--line);margin:0}.info-grid dt{background:#f3f8fa;font-weight:700;color:#214154}.info-grid dd{background:#fff;word-break:keep-all;overflow-wrap:normal}.info-grid dt:last-of-type,.info-grid dd:last-of-type{border-bottom:0}h2{font-size:1.55rem;line-height:1.38;margin:0 0 18px}h3{font-size:1.12rem;line-height:1.45;margin:0 0 12px}.list{margin:0;padding-left:1.2em}.list li{margin:.45em 0}.line{display:block;white-space:nowrap;margin:.15em 0}.lines{font-size:1.02rem}.lines + .lines{margin-top:1.1em}.notice{background:#fff8e8;border:1px solid #f0d28a;border-radius:14px;padding:16px 18px;color:#533d00}.footer{background:#102033;color:#dce8f3;margin-top:40px}.footer-inner{max-width:1120px;margin:auto;padding:26px 28px;font-size:.92rem}.footer a{color:#dce8f3}.nobr{white-space:nowrap}.muted{color:var(--muted)}.compact p{margin:.65em 0}.split{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}.tag{display:inline-block;background:#eaf5f8;color:#075f73;border-radius:999px;padding:5px 10px;margin:4px 6px 4px 0;font-size:.9rem;font-weight:700}
.inline-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.inline-list li{display:block;line-height:1.55;word-break:keep-all;overflow-wrap:normal}.inline-list li::before{content:"・";font-weight:700;margin-right:.15em;color:var(--accent)}
@media(max-width:820px){.grid,.grid2,.split{grid-template-columns:1fr}.info-grid{grid-template-columns:1fr}.info-grid dt{border-bottom:0}.line{white-space:normal;word-break:keep-all;overflow-wrap:break-word}.hero-inner,.wrap{padding:34px 18px}.header-inner{padding:18px}.card{padding:22px}.nav{gap:6px}.nav a{padding:7px 11px}.brand strong{font-size:1.15rem}}