:root{
 --navy:#173251;--navy2:#21456b;--accent:#2b7a9b;--ink:#33373c;--mut:#737d88;
 --line:#e6eaef;--bg:#eef1f5;--card:#ffffff;--cta:#e0612f;--ctah:#c64f22;--gold:#c8a24a;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic",Meiryo,sans-serif;
 color:var(--ink);background:var(--bg);line-height:1.9;font-size:15.5px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
.container{max-width:1140px;margin:0 auto;padding:0 22px}
.narrow{max-width:780px;margin:0 auto;padding:0 22px}
/* ---- topbar + header (WPテーマ風) ---- */
.topbar{background:var(--navy);color:#c7d3e0;font-size:12px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:34px}
.topbar a{color:#c7d3e0}
header.site{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30;box-shadow:0 2px 10px rgba(20,40,70,.05)}
header.site .bar{display:flex;align-items:center;min-height:74px;gap:14px 18px;flex-wrap:wrap;padding:8px 0}
.brand{display:flex;flex-direction:column;text-decoration:none;line-height:1.25}
.brand .name{font-size:21px;font-weight:800;color:var(--navy);letter-spacing:.02em}
.brand .tag{font-size:11px;color:var(--mut);letter-spacing:.08em}
header.site nav{margin-left:auto;display:flex;align-items:center;gap:8px 20px;flex-wrap:wrap}
header.site nav a{color:#3c454f;font-size:13.5px;font-weight:600;padding:6px 0;border-bottom:2px solid transparent}
header.site nav a:hover{color:var(--accent);border-color:var(--accent)}
.header-cta{display:inline-flex;align-items:center;justify-content:center;background:var(--navy);color:#fff!important;padding:0 30px;height:42px;border-radius:6px;font-size:13.5px;font-weight:700;white-space:nowrap;line-height:1}
.header-cta:hover{background:var(--navy2)}
/* ---- hero (FV 実写) ---- */
.hero{position:relative;min-height:440px;display:flex;align-items:center;color:#fff;
 background:#0d2236;overflow:hidden}
.hero .bg{position:absolute;inset:0;background:url('/assets/img/hero.jpg') center/cover no-repeat;
 filter:saturate(1.05)}
.hero .bg::after{content:"";position:absolute;inset:0;
 background:linear-gradient(100deg,rgba(13,30,52,.86) 0%,rgba(13,30,52,.66) 48%,rgba(13,30,52,.28) 100%)}
.hero .inner{position:relative;z-index:2;padding:64px 0}
.hero .eyebrow{display:inline-block;font-size:12px;letter-spacing:.18em;color:#e6c87a;font-weight:700;
 border:1px solid rgba(230,200,122,.5);padding:5px 12px;border-radius:3px;margin-bottom:20px}
.hero h1{font-size:38px;line-height:1.55;margin:0 0 18px;font-weight:800;text-shadow:0 2px 14px rgba(0,0,0,.25)}
.hero p{font-size:16px;color:#dde6ef;max-width:600px;margin:0 0 30px}
.hero .inner .btn{margin:0 14px 12px 0}
.btn{display:inline-block;font-weight:700;border-radius:7px;padding:14px 26px;font-size:15px;transition:.15s;line-height:1.3}
.btn-cta{background:var(--cta);color:#fff;box-shadow:0 6px 18px rgba(224,97,47,.35)}
.btn-cta:hover{background:var(--ctah);transform:translateY(-1px)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.22)}
/* ---- lead band ---- */
.lead-band{background:linear-gradient(0deg,#fbf4ea,#fff7ec);border-bottom:1px solid #efdcc4}
.lead-band .inner{display:flex;align-items:center;gap:26px;padding:26px 0;flex-wrap:wrap}
.lead-band .ic{font-size:40px}
.lead-band .txt{flex:1;min-width:240px}
.lead-band h2{margin:0 0 4px;font-size:19px;color:var(--navy)}
.lead-band p{margin:0;font-size:13.5px;color:#7a6a52}
/* ---- layout w/ sidebar ---- */
.layout{display:grid;grid-template-columns:1fr 320px;gap:38px;padding:36px 0}
.layout aside{position:sticky;top:92px;align-self:start}
@media(max-width:900px){.layout{grid-template-columns:1fr}.layout aside{position:static}}
/* ---- section ---- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;margin:8px 0 18px;
 border-bottom:2px solid var(--navy);padding-bottom:8px}
.section-head h2{font-size:20px;color:var(--navy);margin:0}
.section-head .more{font-size:12.5px;color:var(--mut)}
/* category banner */
.cat-banner{display:flex;align-items:center;gap:16px;margin:34px 0 16px}
.cat-banner img{width:120px;height:74px;object-fit:cover;border-radius:8px;flex:none}
.cat-banner .t{border-left:4px solid var(--accent);padding-left:12px}
.cat-banner h3{margin:0;font-size:18px;color:var(--navy)}
.cat-banner span{font-size:12px;color:var(--mut)}
/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;overflow:hidden;
 text-decoration:none;color:inherit;display:flex;flex-direction:column;transition:.16s}
.card:hover{box-shadow:0 10px 26px rgba(20,40,70,.13);transform:translateY(-3px)}
.card .thumb{position:relative;height:152px;background:#dde3ea center/cover}
.card .chip{position:absolute;left:10px;top:10px;background:rgba(23,50,81,.92);color:#fff;
 font-size:10.5px;font-weight:700;padding:3px 9px;border-radius:3px;letter-spacing:.03em}
.card .body{padding:15px 16px 18px}
.card h4{margin:0 0 8px;font-size:15px;color:var(--navy);line-height:1.55;font-weight:700}
.card p{margin:0;color:var(--mut);font-size:12.5px;line-height:1.7}
.card .kw{display:inline-block;margin-top:11px;font-size:11px;color:var(--accent);font-weight:600}
/* featured */
.featured{display:grid;grid-template-columns:300px 1fr;gap:0;background:#fff;border:1px solid var(--line);
 border-radius:12px;overflow:hidden;margin:6px 0 8px}
@media(max-width:640px){.featured{grid-template-columns:1fr}}
.featured .ph{background:center/cover;min-height:200px}
.featured .ct{padding:26px 28px}
.featured .tag{display:inline-block;background:var(--navy);color:#fff;font-size:11px;font-weight:700;padding:3px 11px;border-radius:3px}
.featured h3{margin:13px 0 9px;font-size:22px;color:var(--navy);line-height:1.5}
.featured p{margin:0 0 18px;color:var(--mut);font-size:13.5px}
/* ---- sidebar (WP widget風) ---- */
.widget{background:#fff;border:1px solid var(--line);border-radius:10px;margin-bottom:24px;overflow:hidden}
.widget .wh{background:var(--navy);color:#fff;font-size:14px;font-weight:700;padding:12px 16px}
.widget .wc{padding:16px}
.widget-dl{background:linear-gradient(160deg,#fff,#fdf3e9);border-color:#f0d8be}
.widget-dl .wc{padding:18px}
.widget-dl h4{margin:0 0 8px;font-size:15px;color:var(--navy)}
.widget-dl p{margin:0 0 14px;font-size:12.5px;color:#7a6a52}
.widget-dl .btn-cta{display:block;text-align:center;padding:12px}
.widget ul.list{list-style:none;margin:0;padding:0}
.widget ul.list li{border-bottom:1px dashed var(--line)}
.widget ul.list li:last-child{border:0}
.widget ul.list a{display:block;padding:10px 0;font-size:13px;color:#3c454f;line-height:1.6}
.widget ul.list a:hover{color:var(--accent)}
.widget .catlist a{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px dashed var(--line);font-size:13px;color:#3c454f}
.widget .catlist a:last-child{border:0}
.widget .catlist .n{color:var(--mut);font-size:11px}
/* ---- article ---- */
.eyecatch{position:relative;height:300px;background:#0d2236 center/cover}
.eyecatch::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(13,30,52,.7),rgba(13,30,52,.15))}
.eyecatch .cap{position:absolute;z-index:2;left:0;right:0;bottom:0}
.eyecatch .cap .container{padding-bottom:24px}
.eyecatch .chip{display:inline-block;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.45);color:#fff;font-size:11px;font-weight:700;padding:4px 11px;border-radius:3px;margin-bottom:12px}
.eyecatch h1{color:#fff;font-size:27px;line-height:1.55;margin:0;max-width:900px;text-shadow:0 2px 12px rgba(0,0,0,.35)}
.breadcrumb{font-size:12.5px;color:var(--mut);padding:14px 0 0}
.breadcrumb a{color:var(--accent)}
article{background:#fff;border:1px solid var(--line);border-radius:12px;padding:42px 46px;box-shadow:0 3px 16px rgba(20,40,70,.05)}
@media(max-width:640px){article{padding:26px 20px}.eyecatch{height:220px}.eyecatch h1{font-size:21px}.hero h1{font-size:27px}.btn-ghost{margin-left:0;margin-top:10px}}
.meta-desc{color:var(--mut);font-size:14px;background:#f6f8fa;border-left:3px solid var(--accent);padding:12px 16px;margin:0 0 26px;border-radius:0 6px 6px 0}
article h2{font-size:22px;color:var(--navy);margin:46px 0 16px;padding-bottom:10px;border-bottom:2px solid var(--line)}
article h2::before{content:"";display:inline-block;width:5px;height:18px;background:var(--accent);margin-right:10px;vertical-align:-2px;border-radius:2px}
article h3{font-size:17px;color:var(--navy);margin:30px 0 10px;padding-left:12px;border-left:4px solid var(--gold)}
article p{margin:15px 0}
article strong{color:#123;background:linear-gradient(transparent 60%,#ffe7a3 60%);padding:0 1px}
article ul,article ol{padding-left:1.4em}
article li{margin:8px 0}
article table{border-collapse:collapse;width:100%;margin:22px 0;font-size:14px}
article th{background:var(--navy);color:#fff;text-align:left;padding:11px 13px}
article td{border:1px solid var(--line);padding:11px 13px;vertical-align:top}
article tr:nth-child(even) td{background:#f7fafc}
blockquote{margin:24px 0;padding:18px 22px;background:#eef5f8;border-left:5px solid var(--accent);border-radius:0 8px 8px 0;color:#23323e}
blockquote p{margin:6px 0}
pre{background:#102539;color:#dfeaf2;padding:18px 20px;border-radius:10px;overflow:auto;font-size:13px;line-height:1.7}
hr{border:0;border-top:1px solid var(--line);margin:36px 0}
article a.cta,.cta{display:inline-block;background:var(--cta);color:#fff!important;padding:11px 20px;border-radius:7px;font-weight:700;margin:6px 6px 6px 0;font-size:15px}
article a.cta:hover{background:var(--ctah)}
.post-bottom-dl{background:linear-gradient(160deg,#fff,#fdf3e9);border:1px solid #f0d8be;border-radius:12px;padding:22px 26px;margin:26px 0}
.post-bottom-dl strong{color:var(--navy)}
/* ---- footer ---- */
footer.site{background:#112740;color:#9fb0c2;padding:46px 0 30px;margin-top:54px;font-size:13px}
footer.site .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px}
@media(max-width:700px){footer.site .cols{grid-template-columns:1fr}}
footer.site h5{color:#fff;font-size:13px;margin:0 0 12px;letter-spacing:.04em}
footer.site a{color:#c2cedb;display:block;padding:4px 0}
footer.site .brand .name{color:#fff;font-size:18px;font-weight:800}
footer.site .small{border-top:1px solid #24435f;margin-top:28px;padding-top:18px;font-size:11px;color:#6f8398}
/* ---- download form page ---- */
.dlpage{padding:46px 0 70px}
.dlcard{background:#fff;border:1px solid var(--line);border-radius:14px;padding:40px 44px;box-shadow:0 4px 20px rgba(20,40,70,.07)}
@media(max-width:640px){.dlcard{padding:26px 20px}}
.dlcard h1{font-size:25px;color:var(--navy);margin:0 0 10px;line-height:1.5}
.dlcard .lead{color:var(--mut);font-size:14px;margin:0 0 20px}
.dlcard ul.inc{list-style:none;padding:0;margin:0 0 26px;background:#f6f8fa;border-radius:10px;padding:16px 20px}
.dlcard ul.inc li{padding:5px 0 5px 26px;position:relative;font-size:13.5px}
.dlcard ul.inc li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:800}
.dlform label{display:block;margin:0 0 16px;font-size:13.5px;font-weight:700;color:#33373c}
.dlform label .req{background:var(--cta);color:#fff;font-size:10px;padding:2px 7px;border-radius:3px;margin-left:8px;vertical-align:2px}
.dlform label .opt{background:#aeb8c2;color:#fff;font-size:10px;padding:2px 7px;border-radius:3px;margin-left:8px;vertical-align:2px}
.dlform input[type=text],.dlform input[type=email]{width:100%;margin-top:7px;padding:12px 14px;border:1px solid #cfd8e0;border-radius:8px;font-size:15px;font-weight:400}
.dlform input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(43,122,155,.13)}
.dlform .chk{display:flex;align-items:flex-start;gap:8px;font-weight:400;font-size:13px;color:#55606b}
.dlform .chk input{margin-top:3px}
.dlform .submit{width:100%;border:0;cursor:pointer;padding:15px;font-size:16px;margin-top:6px}
.dldone{text-align:center;padding:14px 0}
.dldone .ok{font-size:42px}
.dlnote{font-size:11.5px;color:#8a95a0;margin-top:14px;text-align:center}