:root{
  --ink:#17343a;--muted:#607277;--line:#dbe6e7;--teal:#0f5960;--teal2:#277b78;
  --bg:#f6fbfb;--soft:#eef7f6;--gold:#c99a3b;--gold-soft:#f2dfb2;--white:#fff;
  --shadow:0 12px 32px rgba(16,74,82,.08);--radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;color:var(--ink);background:#fff;line-height:1.75}
a{color:inherit}img{max-width:100%;height:auto;display:block}
.wrap{width:min(1160px,calc(100% - 32px));margin:auto}
.topbar{background:#0e3c43;color:#dce9ea;text-align:center;font-size:12px;padding:8px 12px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:900;letter-spacing:.03em}
.mark{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--teal),var(--teal2));color:#fff;font-size:20px}
.brand small{display:block;color:#7b8d92;font-size:10px;font-weight:700;letter-spacing:.09em}
.navlinks{display:flex;align-items:center;gap:18px;font-size:14px;font-weight:800}
.navlinks a{text-decoration:none;color:#2f4d53}
.navlinks .cta{background:#153f46;color:#fff;padding:10px 14px;border-radius:999px}
.menu-note{display:none;font-size:12px;color:#6c8186}
.hero{padding:74px 0 56px;background:radial-gradient(circle at 90% 5%,rgba(201,154,59,.14),transparent 26%),linear-gradient(135deg,#eff8f7,#fff 56%,#fbf7ec)}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:34px;align-items:center}
.eyebrow{display:inline-block;border-radius:999px;background:#e3f2f0;color:#266c6b;padding:7px 11px;font-size:12px;font-weight:900;letter-spacing:.08em}
.hero h1{font-size:clamp(38px,5.6vw,66px);line-height:1.18;letter-spacing:-.03em;margin:16px 0 18px;word-break:keep-all}
.hero p{font-size:17px;color:#54686d;max-width:680px;margin:0}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 20px;border-radius:999px;text-decoration:none;font-weight:900;font-size:14px;border:1px solid transparent}
.btn-main{background:var(--teal);color:#fff}.btn-light{background:#fff;border-color:#d5e2e3;color:#175c60}.btn-gold{background:var(--gold-soft);color:#72541b}
.hero-visual{background:#fff;border:1px solid var(--line);border-radius:28px;overflow:hidden;box-shadow:var(--shadow)}
.hero-visual img{width:100%;height:100%;min-height:420px;object-fit:cover}
.section{padding:68px 0}.section.alt{background:var(--bg)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:26px}.section-head h2{font-size:32px;line-height:1.35;margin:8px 0 0}.section-head p{margin:6px 0 0;color:var(--muted)}.section-head a{color:var(--teal);font-weight:900;text-decoration:none}
.grid{display:grid;gap:18px}.grid3{grid-template-columns:repeat(3,1fr)}.grid2{grid-template-columns:repeat(2,1fr)}.grid4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:0 8px 22px rgba(21,63,70,.04);text-decoration:none}
.thumb{aspect-ratio:16/10;background:#e9f0f0;overflow:hidden}.thumb img{width:100%;height:100%;object-fit:cover}
.card-pad{padding:22px}.tag{display:inline-block;border-radius:999px;background:#edf6f5;color:#2b7471;padding:5px 10px;font-size:11px;font-weight:900}.tag.pr{background:#fff2d9;color:#8a5e16}.card h3{font-size:21px;line-height:1.5;margin:10px 0 10px;word-break:keep-all}.card p{margin:0;color:var(--muted);font-size:14px}.more{display:inline-block;margin-top:14px;color:var(--teal);font-weight:900;font-size:13px}
.theme-card{padding:24px}.theme-card strong{display:block;font-size:18px;margin:8px 0}.theme-card small{display:block;color:var(--muted)}
.pr-strip{border:1px solid #ead5a6;background:#fffcf4;border-radius:26px;padding:24px;display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:center}
.pr-strip h3{font-size:28px;line-height:1.45;margin:10px 0}.pr-strip p{margin:0;color:#55676c}.pr-points{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}.pr-points span{background:#fff;border:1px solid #eadac0;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:800;color:#6d5b38}
.mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.mini{background:#fff;border:1px solid #eadfca;border-radius:18px;padding:16px}.mini b{display:block;margin-bottom:4px}.mini span{font-size:12px;color:#6f716a}
.page-hero{padding:60px 0 38px;background:linear-gradient(135deg,#eff8f7,#fff 60%,#fbf7ec)}
.page-hero h1{font-size:clamp(34px,5vw,52px);line-height:1.25;margin:14px 0 10px;word-break:keep-all}.page-hero p{color:var(--muted);max-width:760px;margin:0}
.cats{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}.cats a{text-decoration:none;border:1px solid #d8e5e5;background:#fff;border-radius:999px;padding:7px 11px;font-size:12px;font-weight:800;color:#315d60}
.category{padding:58px 0;border-bottom:1px solid #edf2f2}.category:last-child{border-bottom:0}.category h2{font-size:28px;margin:0 0 18px}.intro{margin:-4px 0 22px;color:var(--muted);font-size:14px}.article-card .card-pad{min-height:210px}
.page-grid{display:grid;grid-template-columns:2fr 1fr;gap:28px;align-items:start}.panel{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:0 7px 18px rgba(21,63,70,.03)}
.list{padding-left:20px;margin:12px 0 0}
.article-hero{padding:58px 0 34px;background:linear-gradient(135deg,#eff8f7,#fff 56%,#fbf7ec)}
.article-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:center}.article-hero h1{font-size:clamp(34px,5vw,56px);line-height:1.28;margin:14px 0 16px;letter-spacing:-.03em;word-break:keep-all}.lead{font-size:17px;color:#53676d;max-width:760px;margin:0}.meta{font-size:12px;color:#73858a;margin-top:18px}.prbar{background:#fff2d8;color:#745218;text-align:center;padding:8px 12px;font-size:12px;font-weight:900}
.article-cover{border-radius:24px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}.article-cover img{width:100%;height:100%;min-height:330px;object-fit:cover}
.article{width:min(860px,calc(100% - 32px));margin:auto;padding:42px 0 76px}.article h2{font-size:29px;line-height:1.45;margin:46px 0 16px;word-break:keep-all}.article h3{font-size:21px;margin:26px 0 10px}.article p,.article li{color:#42565c}
.summary{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:0 0 30px}.summary .box{border:1px solid var(--line);background:#f8fbfb;border-radius:18px;padding:18px}.summary b{display:block;color:#236d6a;font-size:17px;margin-bottom:6px}.summary span{font-size:12px;color:#66787d}
.note{background:#fff9eb;border-left:5px solid var(--gold);border-radius:0 14px 14px 0;padding:18px 20px;margin:24px 0}.flow{display:grid;gap:10px;counter-reset:st}.step{counter-increment:st;border:1px solid var(--line);border-radius:16px;padding:16px 18px 16px 56px;position:relative;background:#fbfdfd}.step:before{content:counter(st);position:absolute;left:15px;top:13px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--teal);color:#fff;font-weight:900}
.twocol{display:grid;grid-template-columns:1fr 1fr;gap:14px}.panel.good{background:#f3fbf8}.panel.caution{background:#fffaf1}
.cta-box{margin-top:42px;background:linear-gradient(135deg,#104a52,#1f7774);border-radius:24px;padding:30px;color:#fff;text-align:center}.cta-box h2{color:#fff;margin-top:0}.cta-box p{color:#dceeee}.cta-box .btn{background:#fff;color:#155b5d}.banner{background:#fff;border-radius:14px;padding:10px;margin:14px auto;overflow:auto;display:flex;justify-content:center}.fine{font-size:11px!important;color:#d0e4e4!important;text-align:left}.source{margin-top:34px;background:#f4f6f6;border-radius:16px;padding:18px;font-size:12px;color:#66797f}.back{margin-top:24px}.back a{color:var(--teal);font-weight:900;text-decoration:none}
.notice{background:#eff7f6;border:1px solid #d8e8e7;border-radius:18px;padding:18px 20px;color:#4e666b;font-size:13px;margin-top:24px}
.footer{background:#112f36;color:#dbe8e8;padding:48px 0 24px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:28px}.footer h4{margin:0 0 12px;color:#fff}.footer a{display:block;text-decoration:none;color:#dbe8e8;font-size:13px;margin:7px 0}.footnote{font-size:12px;color:#9fb4b8}.disclosure{margin-top:30px;padding-top:18px;border-top:1px solid rgba(255,255,255,.13);font-size:11px;color:#9fb4b8}
.helper{font-size:13px;color:#6d7e84}
@media (max-width:980px){.navlinks{display:none}.menu-note{display:block}.hero-grid,.pr-strip,.article-hero-grid,.page-grid{grid-template-columns:1fr}.grid3{grid-template-columns:1fr 1fr}.grid4{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.hero-visual img{min-height:320px}}
@media (max-width:640px){.nav{height:66px}.hero,.section,.category{padding:48px 0}.page-hero{padding:48px 0 30px}.hero h1,.page-hero h1,.article-hero h1{font-size:36px}.section-head{align-items:start;flex-direction:column}.grid3,.grid2,.grid4,.mini-grid,.summary,.twocol,.footer-grid{grid-template-columns:1fr}.btn{width:100%}.actions{display:grid}.card h3{font-size:19px}}