:root{--navy:#09234A;--navy2:#0B4C86;--blue:#0B5EA8;--orange:#FF7A00;--gold:#F7C948;--mint:#EAF7FF;--cream:#F5FAFF;--ink:#10243D;--muted:#5D6D83;--line:#E8EEF6;--shadow:0 18px 46px rgba(9,35,74,.10)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP","Hiragino Sans","Yu Gothic UI",Meiryo,sans-serif;line-height:1.85;font-size:16px}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.container{width:min(1080px,calc(100% - 32px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.header-inner{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;align-items:center;gap:10px;color:var(--navy);font-weight:950;line-height:1.2;white-space:nowrap}
.brand img{width:auto;height:38px}.brand small{display:block;color:var(--muted);font-size:10px;font-weight:750;margin-top:3px}
.top-links{display:flex;gap:5px;overflow-x:auto;white-space:nowrap;scrollbar-width:none;font-size:13px;font-weight:850;color:var(--navy)}
.top-links::-webkit-scrollbar{display:none}.top-links a{padding:9px 10px;border-radius:999px}.top-links a:hover{background:var(--mint)}
.breadcrumb{padding:18px 0 0;color:var(--muted);font-size:13px;font-weight:750}.breadcrumb a{color:var(--blue);text-decoration:underline}
.page-hero{padding:44px 0 54px;background:linear-gradient(120deg,var(--navy),var(--navy2));color:#fff}
.page-hero .eyebrow{color:#fff;background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.34)}
.page-hero h1{max-width:900px;margin:18px 0 10px;font-size:clamp(31px,5vw,58px);line-height:1.25;letter-spacing:-.045em}
.page-hero h1 span{color:var(--gold)}.page-hero p{max-width:850px;color:rgba(255,255,255,.84);font-size:17px}
.eyebrow{display:inline-block;padding:6px 13px;border:1px solid #CFE3F5;border-radius:999px;background:var(--mint);color:var(--blue);font-size:12px;font-weight:950;letter-spacing:.04em}
.page-section{padding:66px 0}.page-section.soft{background:var(--cream)}
.section-heading{max-width:850px;margin:0 auto 30px}.section-heading h2{margin:12px 0 8px;color:var(--navy);font-size:clamp(26px,4vw,40px);line-height:1.35;letter-spacing:-.035em}.section-heading p{margin:0;color:var(--muted)}
.section-heading.center{text-align:center}
.grid{display:grid;gap:18px}.grid.two{grid-template-columns:repeat(2,1fr)}.grid.three{grid-template-columns:repeat(3,1fr)}
.card{height:100%;padding:25px;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}.card h3{margin:0 0 9px;color:var(--navy);font-size:21px;line-height:1.4}.card p{margin:0;color:var(--muted)}
.card .label{display:inline-block;margin-bottom:11px;padding:5px 10px;border-radius:999px;background:var(--mint);color:var(--blue);font-size:12px;font-weight:950}
.callout{margin:24px 0;padding:22px 24px;border-left:5px solid var(--orange);border-radius:14px;background:#FFF7ED;color:var(--ink)}.callout strong{color:#B84A00}
.checklist{display:grid;gap:10px;margin:0;padding:0;list-style:none}.checklist li{padding:12px 14px 12px 38px;border:1px solid var(--line);border-radius:14px;background:#fff;position:relative;color:var(--muted);font-weight:750}.checklist li:before{content:'✓';position:absolute;left:14px;color:#07A83D;font-weight:1000}
.compare{width:100%;border-collapse:collapse;background:#fff;border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}.compare th,.compare td{padding:14px;border:1px solid var(--line);vertical-align:top;text-align:left}.compare th{background:var(--navy);color:#fff;font-weight:900}.compare td:first-child{width:30%;color:var(--navy);font-weight:900}
.number-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.flow-item{padding:20px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.flow-item .number{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--orange);color:#fff;font-size:13px;font-weight:1000}.flow-item h3{margin:13px 0 5px;color:var(--navy);font-size:18px}.flow-item p{margin:0;color:var(--muted);font-size:14px}
.faq{display:grid;gap:10px;max-width:920px;margin:auto}.faq details{padding:0;border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden}.faq summary{cursor:pointer;padding:17px 48px 17px 19px;color:var(--navy);font-weight:900;position:relative;list-style:none}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:'＋';position:absolute;right:18px;color:var(--orange);font-size:22px}.faq details[open] summary:after{content:'−'}.faq details>div{padding:16px 19px;border-top:1px solid var(--line);color:var(--muted)}
.cta{padding:28px;border-radius:22px;background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;text-align:center;box-shadow:var(--shadow)}.cta h2{margin:0;font-size:clamp(23px,3.5vw,34px);line-height:1.35}.cta p{margin:9px auto 18px;color:rgba(255,255,255,.8)}
.buttons{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border-radius:999px;font-weight:950;transition:.18s ease}.button:hover{transform:translateY(-2px)}.button.orange{background:linear-gradient(135deg,var(--orange),#FF981C);color:#fff}.button.green{background:#07B53B;color:#fff}.button.white{background:#fff;color:var(--navy)}
.site-footer{padding:38px 0 50px;background:#102426;color:rgba(255,255,255,.78)}.site-footer h2{margin:0 0 10px;color:#fff;font-size:18px}.site-footer p{margin:4px 0;font-size:13px}.site-footer a{text-decoration:underline}.footer-nav{display:flex;flex-wrap:wrap;gap:7px;margin-top:17px}.footer-nav a{padding:7px 10px;border:1px solid rgba(255,255,255,.2);border-radius:999px;text-decoration:none;font-size:12px}
.note{color:var(--muted);font-size:13px}.source-note{margin-top:18px;color:var(--muted);font-size:12px}
@media(max-width:850px){.header-inner{align-items:flex-start;padding:10px 0;flex-direction:column;gap:7px}.top-links{width:100%}.grid.three{grid-template-columns:1fr 1fr}.number-flow{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.container{width:min(100% - 24px,1080px)}.page-hero{padding:34px 0 42px}.page-hero h1{font-size:34px}.page-hero p{font-size:16px}.page-section{padding:50px 0}.grid.two,.grid.three,.number-flow{grid-template-columns:1fr}.card{padding:21px}.compare{font-size:14px}.compare th,.compare td{padding:10px}.compare td:first-child{width:34%}.buttons .button{width:100%}}

/* 視覚的に読み進められる詳細ページ用 */
.page-visual{margin:0 auto 8px;padding:0;overflow:hidden;border:1px solid var(--line);border-radius:26px;background:#eef3f8;box-shadow:var(--shadow)}
.page-visual img{width:100%;height:clamp(220px,34vw,430px);object-fit:cover;object-position:center}
.page-visual figcaption{padding:10px 16px;color:var(--muted);background:#fff;font-size:12px;font-weight:750}
.article-visual{margin:0 0 24px;overflow:hidden;border-radius:22px;background:#eef3f8;border:1px solid var(--line);box-shadow:var(--shadow)}
.article-visual img{width:100%;height:260px;object-fit:cover}
.article-visual figcaption{padding:9px 14px;background:#fff;color:var(--muted);font-size:12px;font-weight:750}
.visual-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;align-items:center}
.visual-grid .article-visual{margin:0}
.visual-grid .article-visual img{height:310px}
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:22px}
.stat{padding:18px;border:1px solid var(--line);border-radius:18px;background:#fff;text-align:center;box-shadow:var(--shadow)}
.stat strong{display:block;color:var(--orange);font-size:25px;line-height:1.25}
.stat span{display:block;margin-top:5px;color:var(--muted);font-size:13px;font-weight:800}
.topic-band{margin-top:24px;padding:22px 24px;border-radius:18px;background:linear-gradient(135deg,#f2f8ff,#fff);border:1px solid #d7e7f5}
.topic-band h3{margin:0 0 8px;color:var(--navy);font-size:20px}
.topic-band p{margin:0;color:var(--muted)}
.related{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}
.related a{padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--blue);font-size:13px;font-weight:900}
.related a:hover{background:var(--navy);color:#fff}
.author-note{margin-top:22px;padding:16px 18px;border:1px solid var(--line);border-radius:16px;background:#fff;color:var(--muted);font-size:13px}
.author-note strong{color:var(--navy)}
.hub-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.hub-card{height:100%;overflow:hidden;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:var(--shadow);display:flex;flex-direction:column}
.hub-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:#eef3f8}
.hub-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease}
.hub-card:hover .hub-thumb img{transform:scale(1.03)}
.hub-body{display:flex;flex:1;flex-direction:column;padding:20px}
.hub-body h3{margin:0 0 10px;font-size:19px;line-height:1.55}
.hub-body h3 a{color:var(--ink)}
.hub-body h3 a:hover{color:var(--orange)}
.hub-body p{margin:0;color:var(--muted);font-size:14px;line-height:1.85}
.hub-link{margin-top:auto;padding-top:16px;font-size:13px;font-weight:900;color:var(--blue)}
.hub-link a:hover{color:var(--orange)}
@media(max-width:850px){.visual-grid{grid-template-columns:1fr}.visual-grid .article-visual img{height:260px}.stat-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.page-visual{border-radius:20px}.page-visual img{height:220px}.article-visual img,.visual-grid .article-visual img{height:220px}.stat-grid{grid-template-columns:1fr}.topic-band{padding:18px}.related a{font-size:12px}}
@media(max-width:850px){.hub-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.hub-grid{grid-template-columns:1fr}.hub-body{padding:18px}}