:root{--navy:#12224e;--blue:#1c5cab;--sky:#2a78d6;--ink:#222;--mut:#6b7280;--line:#dfe3ea;--bg:#f5f7fa}
*{box-sizing:border-box}
html,body{margin:0;background:#fff;color:var(--ink);font:17px/1.8 "Noto Sans JP","Hiragino Sans","Yu Gothic","Segoe UI",Meiryo,sans-serif}
a{color:var(--blue)}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
/* header */
header{background:#fff;border-bottom:1px solid var(--line)}
.hd{display:flex;align-items:center;justify-content:space-between;height:96px}
.brand{display:flex;align-items:center;gap:14px;font-weight:800;font-size:26px;letter-spacing:.02em;color:var(--navy);text-decoration:none}
.brand img{height:60px;width:60px;object-fit:contain;display:block}
nav.g{background:var(--navy)}
nav.g ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap}
nav.g a{display:block;padding:15px 22px;color:#fff;text-decoration:none;font-size:16px;font-weight:600}
nav.g a:hover,nav.g a.on{background:var(--blue)}
/* hero */
.hero{background:linear-gradient(120deg,#0f1f47 0%,#1c5cab 60%,#2a78d6 100%);color:#fff;padding:96px 0}
.hero h1{font-size:44px;margin:0 0 14px;line-height:1.35}
.hero p{margin:0;font-size:19px;opacity:.92}
/* sections */
section{padding:64px 0}
section+section{border-top:1px solid var(--line)}
h2.sec{font-size:30px;margin:0 0 30px;padding-left:16px;border-left:6px solid var(--blue);color:var(--navy)}
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.card{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:30px 32px}
.card h3{margin:0 0 10px;font-size:22px;color:var(--navy)}
.card p{margin:0;font-size:16px;color:#374151}
.card .tag{display:inline-block;background:var(--sky);color:#fff;font-size:12px;font-weight:700;padding:3px 10px;border-radius:4px;margin-bottom:12px}
/* table */
table.co{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line)}
table.co th,table.co td{padding:18px 20px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;font-size:17px}
table.co th{width:12em;background:var(--bg);font-weight:600;white-space:nowrap}
table.co tr:last-child th,table.co tr:last-child td{border-bottom:0}
table.co ul{margin:0;padding-left:1.2em}
/* news */
.news{list-style:none;margin:0;padding:0}
.news li{display:flex;gap:24px;padding:16px 0;border-bottom:1px solid var(--line);font-size:17px}
.news time{color:var(--mut);white-space:nowrap;min-width:7em}
/* page title */
.ptitle{background:var(--bg);border-bottom:1px solid var(--line);padding:40px 0}
.ptitle h1{margin:0;font-size:40px;color:var(--navy)}
.ptitle p{margin:6px 0 0;color:var(--mut);font-size:14px;letter-spacing:.1em}
.lead{font-size:17px;color:#374151;margin:0 0 24px}
.blk{padding:26px 0;border-bottom:1px solid var(--line)}
.blk:last-child{border-bottom:0}
.blk h3{margin:0 0 8px;font-size:22px;color:var(--navy)}
.blk p{margin:0;font-size:17px;color:#374151}
.btn{display:inline-block;background:var(--blue);color:#fff;text-decoration:none;padding:14px 32px;border-radius:6px;font-weight:700;font-size:17px}
.btn:hover{background:var(--navy)}
footer{background:var(--navy);color:#cfd6e4;font-size:14px;padding:28px 0;margin-top:20px}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
footer a{color:#fff;text-decoration:none;margin-right:14px}
@media (max-width:760px){html,body{font-size:15px}.cards{grid-template-columns:1fr}.hero{padding:48px 0}.hero h1{font-size:26px}.hero p{font-size:15px}h2.sec{font-size:22px}.ptitle h1{font-size:26px}.card h3,.blk h3{font-size:18px}.card p,.blk p,.lead,.news li{font-size:15px}table.co th{width:7.5em;font-size:14px;padding:12px}table.co td{font-size:14px;padding:12px}.hd{height:64px}.brand{font-size:18px}.brand img{height:40px;width:40px}nav.g a{padding:10px 13px;font-size:13px}}

/* 代表挨拶 */
.greet{max-width:820px;margin:0 auto}
.greet p{margin:0 0 22px;font-size:17px;line-height:2;color:#374151}
.greet .sign{text-align:right;margin-top:36px;font-size:17px}
.greet .sign b{font-size:21px;display:block;margin-top:4px}
.greet .back{margin-top:44px;font-size:15px}
@media (max-width:760px){.greet p{font-size:15px}}

.greet h3{font-size:19px;color:var(--navy);margin:30px 0 8px}
/* ポリシー等の長文 */
.policy ol,.policy ul{margin:0 0 18px;padding-left:1.5em;font-size:17px;line-height:1.9;color:#374151}
.policy li{margin:6px 0}
.policy .meta{font-size:15px;color:#4b5563;line-height:1.9;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:14px 18px;display:inline-block}
.policy table.co{margin:12px 0 24px}
.policy table.co td ul{margin:0;padding-left:1.2em;font-size:16px}
.policy table.co th{width:13em;white-space:normal}
@media (max-width:760px){.policy ol,.policy ul{font-size:15px}.policy table.co th{width:7.5em}}