:root{
  --b-primary:#0eaaa8;--b-primary-dark:#087e79;--b-mint:#18c99b;--b-yellow:#ffd348;
  --b-text:#203039;--b-sub:#687980;--b-border:#dceae6;--b-tint:#f3fbf8;--b-white:#fff;
  --b-font:"Hiragino Sans","Yu Gothic UI","Yu Gothic","Noto Sans JP",sans-serif;
  --b-shadow:0 18px 54px rgba(23,72,65,.1);--b-max:1180px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--b-text);font-family:var(--b-font);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}img{display:block;max-width:100%}a{color:inherit;text-decoration:none}button,input{font:inherit}:focus-visible{outline:3px solid rgba(24,201,155,.34);outline-offset:3px}.b-container{width:min(calc(100% - 40px),var(--b-max));margin-inline:auto}
.b-header{height:76px;position:sticky;top:0;z-index:30;background:rgba(255,255,255,.92);border-bottom:1px solid var(--b-border);backdrop-filter:blur(16px)}.b-nav{height:100%;display:flex;align-items:center;justify-content:space-between}.b-brand{display:flex;align-items:center;gap:11px;font-weight:900;letter-spacing:.07em}.b-brand img{width:40px;height:40px;border-radius:11px}.b-brand small{padding-left:10px;border-left:1px solid var(--b-border);color:var(--b-sub);font-size:12px;letter-spacing:.04em}.b-links{display:flex;align-items:center;gap:27px;font-size:14px;font-weight:800}.b-links a:hover{color:var(--b-primary-dark)}.b-cta{display:inline-flex;min-height:42px;align-items:center;justify-content:center;padding:0 17px;border-radius:12px;background:linear-gradient(135deg,var(--b-mint),var(--b-primary));color:#fff!important;box-shadow:0 10px 25px rgba(14,170,168,.2)}.b-menu{display:none;border:0;background:none;padding:8px}.b-menu span{display:block;width:24px;height:2px;background:var(--b-text);margin:5px}
.b-hero{position:relative;overflow:hidden;padding:72px 0 68px;background:linear-gradient(135deg,#f2fbf8,#fff 62%)}.b-hero::after{content:"";position:absolute;right:9%;top:-86px;width:265px;height:265px;border-radius:50%;border:46px solid rgba(24,201,155,.07)}.b-eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--b-primary-dark);font-size:13px;font-weight:900;letter-spacing:.12em}.b-eyebrow::before{content:"";width:23px;height:3px;border-radius:9px;background:var(--b-yellow)}.b-hero h1{position:relative;z-index:1;margin:17px 0 13px;font-size:clamp(36px,5vw,58px);line-height:1.3;letter-spacing:-.035em}.b-hero p{position:relative;z-index:1;max-width:690px;margin:0;color:var(--b-sub);font-size:18px}.b-breadcrumb{display:flex;gap:8px;align-items:center;margin-bottom:22px;color:var(--b-sub);font-size:13px}.b-breadcrumb a{color:var(--b-primary-dark);font-weight:800}
.b-main{padding:78px 0 110px}.b-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:64px;align-items:start}.b-filter{position:sticky;top:105px}.b-filter h2{font-size:20px;margin:0 0 19px}.b-filter-group{border-top:1px solid var(--b-border)}.b-filter-group:last-child{border-bottom:1px solid var(--b-border)}.b-filter-group summary{list-style:none;display:flex;justify-content:space-between;align-items:center;padding:17px 2px;cursor:pointer;font-size:14px;font-weight:900}.b-filter-group summary::-webkit-details-marker{display:none}.b-filter-group summary::after{content:"＋";color:var(--b-primary-dark)}.b-filter-group[open] summary::after{content:"−"}.b-filter-options{display:grid;gap:5px;padding:0 0 16px}.b-filter-button{display:flex;align-items:center;gap:9px;width:100%;padding:9px 11px;border:0;border-radius:9px;background:transparent;text-align:left;color:var(--b-sub);font-size:14px;font-weight:700;cursor:pointer}.b-filter-button::before{content:"";width:17px;height:17px;border:1.5px solid #9db0b4;border-radius:50%;background:#fff}.b-filter-button:hover{background:var(--b-tint)}.b-filter-button.active{background:#e6f8f3;color:var(--b-primary-dark)}.b-filter-button.active::before{border:5px solid var(--b-mint)}
.b-content-head{display:flex;align-items:end;justify-content:space-between;gap:20px;padding-bottom:18px;border-bottom:1px solid var(--b-border)}.b-content-head h2{margin:0;font-size:29px;letter-spacing:-.025em}.b-count{color:var(--b-sub);font-size:13px}.b-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:32px;row-gap:42px;margin-top:42px}.b-card{min-width:0}.b-card-link{display:flex;gap:20px;min-height:136px}.b-card-thumb{flex:0 0 42%;max-width:200px;height:130px;display:grid;place-items:center;overflow:hidden;border-radius:10px;background:linear-gradient(145deg,#e9faf5,#f8fdfb)}.b-card:nth-child(2n) .b-card-thumb{background:linear-gradient(145deg,#fff8d8,#fffdf4)}.b-card-thumb img{width:100%;height:100%;object-fit:contain;padding:5px}.b-card-body{display:flex;flex-direction:column;min-width:0}.b-card-title{margin:0;font-size:17px;line-height:1.55;letter-spacing:-.012em;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden}.b-card-link:hover .b-card-title{color:var(--b-primary-dark)}.b-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:auto;padding-top:10px}.b-tag{display:inline-flex;align-items:center;min-height:26px;padding:3px 8px;border-radius:5px;background:#e6f6f2;color:var(--b-primary-dark);font-size:11px;font-weight:800}.b-card-date{margin-top:7px;color:#8a989e;font-size:11px}.b-card.soon{opacity:.83}.b-soon{background:#f2f5f4;color:#718087}.b-pagination{display:flex;justify-content:center;align-items:center;gap:7px;margin-top:65px}.b-page{width:38px;height:38px;display:grid;place-items:center;border:1px solid var(--b-border);border-radius:9px;background:#fff;color:var(--b-primary-dark);font-size:13px;font-weight:900}.b-page.active{border-color:var(--b-primary);background:var(--b-primary);color:#fff}
.b-article-wrap{padding:42px 0 105px}.b-back{display:inline-flex;gap:7px;align-items:center;margin:7px 0 24px;color:var(--b-primary-dark);font-size:14px;font-weight:900}.b-article-layout{display:grid;grid-template-columns:minmax(0,760px) 280px;gap:70px;align-items:start}.b-article-header h1{margin:13px 0 14px;font-size:clamp(27px,3.7vw,40px);line-height:1.52;letter-spacing:-.025em}.b-article-meta{display:flex;align-items:center;gap:13px;flex-wrap:wrap}.b-date{color:#8a989e;font-size:13px}.b-article-visual{height:390px;display:grid;place-items:center;margin:30px 0 40px;overflow:hidden;border-radius:18px;background:linear-gradient(140deg,#e9faf5,#f9fdfc)}.b-article-visual img{width:82%;height:82%;object-fit:contain}.b-lede{font-size:18px;line-height:2;color:#40545b}.b-toc{margin:38px 0 48px;border:1px solid var(--b-border);border-radius:12px;background:#fbfefd}.b-toc summary{list-style:none;display:flex;justify-content:space-between;padding:17px 20px;cursor:pointer;font-weight:900}.b-toc summary::-webkit-details-marker{display:none}.b-toc summary::after{content:"−";color:var(--b-primary-dark)}.b-toc:not([open]) summary::after{content:"＋"}.b-toc ol{margin:0;padding:0 28px 21px 48px}.b-toc li{margin:7px 0;font-size:14px}.b-toc a:hover{color:var(--b-primary-dark)}.b-article-body h2{scroll-margin-top:100px;margin:64px 0 22px;padding-left:17px;border-left:5px solid var(--b-mint);font-size:27px;line-height:1.55;letter-spacing:-.02em}.b-article-body h3{margin:38px 0 13px;font-size:20px}.b-article-body p{margin:0 0 23px;line-height:2;color:#354a50}.b-article-body ul{margin:0 0 28px;padding-left:1.5em}.b-article-body li{margin:7px 0}.b-note{margin:29px 0;padding:21px 23px;border-left:4px solid var(--b-yellow);background:#fffbea;font-size:14px;color:#53636a}.b-compare{width:100%;margin:28px 0 36px;border-collapse:collapse;font-size:14px}.b-compare th,.b-compare td{padding:14px 15px;border:1px solid var(--b-border);text-align:left;vertical-align:middle}.b-compare th{background:#123b40;color:#fff}.b-compare tr:nth-child(even) td{background:#f5faf9}.b-inline-related{display:grid;grid-template-columns:145px 1fr;gap:19px;align-items:center;margin:48px 0;padding:16px;border:1px solid var(--b-border);border-radius:12px}.b-inline-related img{width:145px;height:95px;object-fit:contain;border-radius:8px;background:var(--b-tint)}.b-related-label{display:block;color:var(--b-primary-dark);font-size:11px;font-weight:900;letter-spacing:.1em}.b-inline-related b{display:block;margin-top:5px;line-height:1.55}.b-article-cta{display:grid;grid-template-columns:1fr auto;gap:35px;align-items:center;margin-top:58px;padding:34px 38px;border-radius:18px;background:linear-gradient(135deg,#0b7775,#16b8a0);color:#fff}.b-article-cta h2{margin:0 0 7px;padding:0;border:0;color:#fff;font-size:23px}.b-article-cta p{margin:0;color:rgba(255,255,255,.82);font-size:14px;line-height:1.7}.b-article-cta a{display:inline-flex;min-height:49px;align-items:center;justify-content:center;padding:0 20px;border-radius:999px;background:#fff;color:var(--b-primary-dark);font-size:14px;font-weight:900;white-space:nowrap}
.b-sidebar{position:sticky;top:105px;display:grid;gap:20px;align-content:start}.b-sidebar-section{padding:21px 0;border-top:1px solid var(--b-border)}.b-sidebar-section:last-child{border-bottom:1px solid var(--b-border)}.b-sidebar h2{margin:0 0 13px;font-size:17px;line-height:1.55}.b-side-card{padding:22px 20px;border:1px solid var(--b-border);border-radius:14px;background:#fff}.b-sidebar .b-side-card:first-child{background:var(--b-tint)}.b-side-card p{margin:0 0 17px;color:var(--b-sub);font-size:13px;line-height:1.8}.b-side-card .b-cta{display:flex;width:100%;min-height:46px;font-size:14px;font-weight:900}.b-side-card ul{margin:0;padding:0;list-style:none}.b-side-card li{padding:12px 0;border-top:1px solid var(--b-border);font-size:13px;line-height:1.7;font-weight:700}.b-side-card li:first-child{border-top:0;padding-top:0}.b-side-card li a:hover{color:var(--b-primary-dark)}.b-side-related{display:grid;grid-template-columns:84px 1fr;gap:12px;margin:16px 0}.b-side-related img{width:84px;height:64px;object-fit:contain;border-radius:7px;background:var(--b-tint)}.b-side-related b{font-size:12px;line-height:1.55}.b-side-related:hover b{color:var(--b-primary-dark)}
.b-footer{padding:55px 0 28px;background:#102d33;color:#d1dddd}.b-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:48px}.b-footer-brand{display:flex;align-items:center;gap:11px;font-weight:900;letter-spacing:.07em}.b-footer-brand img{width:42px;border-radius:12px}.b-footer p{max-width:390px;color:#96adb0;font-size:12px}.b-footer-links b{display:block;margin-bottom:12px;font-size:12px}.b-footer-links a{display:block;margin:7px 0;color:#96adb0;font-size:12px}.b-version{margin-top:32px!important}.b-copy{margin-top:17px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);color:#779397;font-size:10px}
@media(max-width:950px){.b-links{display:none}.b-menu{display:block}.b-links.open{position:absolute;top:76px;left:0;right:0;display:flex;flex-direction:column;align-items:stretch;padding:22px;background:#fff;border-bottom:1px solid var(--b-border)}.b-layout{grid-template-columns:1fr;gap:38px}.b-filter{position:static}.b-filter-panels{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.b-filter-group{border:1px solid var(--b-border)!important;border-radius:10px;padding:0 12px}.b-article-layout{grid-template-columns:1fr}.b-sidebar{position:static;display:grid;grid-template-columns:repeat(2,1fr);gap:25px}.b-sidebar-section{border-bottom:1px solid var(--b-border)}}
@media(max-width:680px){.b-container{width:min(calc(100% - 28px),var(--b-max))}.b-header{height:68px}.b-brand small{display:none}.b-links.open{top:68px}.b-hero{padding:51px 0}.b-hero p{font-size:16px}.b-main{padding:55px 0 78px}.b-filter-panels{grid-template-columns:1fr}.b-content-head{align-items:start}.b-content-head h2{font-size:24px}.b-grid{grid-template-columns:1fr;row-gap:31px;margin-top:32px}.b-card-link{gap:15px}.b-card-thumb{flex-basis:126px;height:92px}.b-card-title{font-size:16px}.b-card-date{display:none}.b-article-wrap{padding:28px 0 75px}.b-article-header h1{font-size:26px}.b-article-visual{height:245px;margin:24px 0 29px;border-radius:13px}.b-lede{font-size:16px}.b-article-body h2{margin-top:49px;font-size:22px}.b-compare{display:block;overflow-x:auto;white-space:nowrap}.b-inline-related{grid-template-columns:100px 1fr;padding:12px}.b-inline-related img{width:100px;height:78px}.b-article-cta{grid-template-columns:1fr;padding:28px 23px}.b-article-cta a{width:100%}.b-sidebar{grid-template-columns:1fr}.b-footer-grid{grid-template-columns:1fr;gap:27px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.b-card-link,.scene-card{transition:none}}