:root{--navy:#0a2c39;--navy-deep:#071f2a;--ink:#193842;--muted:#66777b;--teal:#137f83;--mint:#b7e6da;--line:#dce4e5;--surface:#f3f6f6;--white:#fff;--sans:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;--serif:"Noto Serif JP","Hiragino Mincho ProN","Yu Mincho",serif;--latin:"Helvetica Neue",Arial,sans-serif;--max:1200px;--measure:42rem}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:104px}body{background:var(--white);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;margin:0;font-size:1rem;line-height:1.9}body.menu-open{overflow:hidden}h1,h2,h3,h4,p{margin:0}h1,h2,h3,h4{font-feature-settings:"palt"}h1,h2{letter-spacing:.025em}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit}a,button{-webkit-tap-highlight-color:transparent;touch-action:manipulation}a:focus-visible,button:focus-visible{outline-offset:5px;outline:3px solid #19a8ae}img{max-width:100%;height:auto;display:block}svg{display:block}ul,ol{margin:0;padding:0;list-style:none}::selection{color:#0a2c39;background:#c4e9e3}[hidden]{display:none!important}.container{width:min(var(--max),calc(100% - 96px));margin-inline:auto}.button{letter-spacing:.015em;border:1px solid #0000;border-radius:3px;justify-content:space-between;align-items:center;gap:28px;min-height:58px;padding:16px 25px;font-size:.875rem;font-weight:600;transition:background .2s,color .2s,box-shadow .2s;display:inline-flex}.button-dark{background:var(--navy);color:#fff}.button-dark:hover{background:#155365;box-shadow:0 5px 15px #092f3d17}.button-light{color:var(--navy);background:#fff}.button-light:hover{background:#d7eee9}.site-header{z-index:50;background:#fff;border-bottom:1px solid #edf1f1;height:94px;position:sticky;top:0}.header-inner{align-items:center;gap:30px;max-width:1680px;height:100%;margin:0 auto;padding:0 42px;display:flex}.brand{flex-shrink:0;align-items:center;gap:12px;display:flex}.brand-mark{width:46px;height:46px;color:var(--teal);flex-shrink:0}.brand-mark svg{width:100%;height:100%}.brand-type{flex-direction:column;line-height:1.5;display:flex}.brand-type>span{font-family:"Komon Logo",var(--serif);letter-spacing:.02em;color:#0e4f5c;font-size:26px;font-weight:800;line-height:1.25}.brand-type .latin{font-family:inherit;font-weight:inherit;letter-spacing:inherit;color:#2a9d97;padding:0;font-size:1em}.brand-type small{font-family:var(--sans);letter-spacing:.02em;color:#52666b;white-space:nowrap;margin-top:6px;font-size:11px;font-weight:400;line-height:1.6}.desktop-nav{white-space:nowrap;align-items:center;gap:29px;margin-left:auto;font-size:.875rem;font-weight:500;display:flex}.desktop-nav a{padding:8px 0;position:relative}.desktop-nav a:after{content:"";background:var(--teal);width:0;height:1px;transition:width .2s;position:absolute;bottom:0;left:0}.desktop-nav a:hover:after,.desktop-nav a[aria-current]:after{width:100%}.header-cta{gap:22px;min-height:46px;margin-left:8px;padding:11px 21px;font-size:.8125rem}.menu-toggle{display:none}.site-footer{border-top:1px solid #edf1f1;margin-top:96px;padding:47px 0 29px}.footer-top{border-bottom:1px solid var(--line);align-items:center;gap:36px;padding-bottom:34px;display:flex}.footer-top>p{color:var(--muted);font-size:.75rem}.footer-bottom{justify-content:space-between;align-items:center;gap:25px;padding-top:25px;display:flex}.footer-bottom>p{font-family:var(--latin);color:#8d9b9f;letter-spacing:.04em;font-size:.75rem}.footer-bottom nav{color:#74878d;flex-wrap:wrap;align-items:center;gap:27px;font-size:.75rem;display:flex}.footer-bottom nav a:hover{color:var(--teal)}.article-main{padding:56px 0 0}.article-shell{width:min(var(--max),calc(100% - 96px));margin-inline:auto}.section-kicker{font-family:var(--latin);letter-spacing:.2em;color:var(--teal);text-transform:uppercase;font-size:.75rem;font-weight:600}.breadcrumb ol{color:var(--muted);flex-wrap:wrap;gap:8px;font-size:.75rem;display:flex}.breadcrumb li+li:before{content:"›";color:#b4c2c4;margin-right:8px}.breadcrumb a:hover{color:var(--teal)}.article-shell.wide{--measure:60rem}.article,.list-head{max-width:var(--measure);margin-inline:auto}.article-head{margin:34px 0 30px}.article-head h1{text-wrap:balance;margin-top:14px;font-size:clamp(25px,3.2vw,34px);line-height:1.6}.article-head h1 span{display:inline-block}.article-lead{color:#3d585f;margin-top:18px;font-size:1rem}.article-meta{border-top:1px solid var(--line);color:var(--muted);flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:22px;padding-top:18px;font-size:.8125rem;display:flex}.article-meta .updated{color:#8d9b9f}.tag-list{flex-wrap:wrap;gap:8px;display:flex}.tag-list li{background:var(--surface);border:1px solid var(--line);color:#3d585f;border-radius:3px;padding:2px 10px;font-size:.75rem;line-height:1.8}.case-facts{max-width:var(--measure);grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px;margin:0 auto 34px;display:grid}.case-facts>div{background:var(--surface);border:1px solid var(--line);padding:16px 18px}.case-facts dt{letter-spacing:.06em;color:var(--muted);font-size:.6875rem}.case-facts dd{color:var(--navy);margin:4px 0 0;font-size:.9375rem;font-weight:600;line-height:1.7}figure{margin:36px 0}figure.cover{max-width:var(--measure);margin:0 auto 40px}figure img{border-radius:3px;width:100%}figcaption{color:var(--muted);margin-top:10px;font-size:.75rem;line-height:1.8}.prose{overflow-wrap:anywhere;font-size:1.0625rem;line-height:1.95}.prose>*+*{margin-top:1.6em}.prose h2{border-top:1px solid var(--line);word-break:auto-phrase;margin-top:2.6em;padding-top:1.2em;font-size:1.5rem;line-height:1.7}.prose h3{color:var(--navy);margin-top:2.1em;font-size:1.1875rem;line-height:1.75}.prose h4{margin-top:1.8em;font-size:1.0625rem}.prose strong{color:var(--navy);font-weight:700}.prose a{color:var(--teal);text-underline-offset:3px;text-decoration:underline;text-decoration-thickness:1px}.prose a:hover{background:#eef6f5}.prose ul,.prose ol{padding-left:1.4em}.prose li{margin-top:.5em}.prose ul>li{list-style:outside}.prose ol>li{list-style:decimal}.prose li>ul,.prose li>ol{margin-top:.5em}.prose blockquote{background:var(--surface);border-left:3px solid var(--teal);color:#3d585f;margin-left:0;margin-right:0;padding:18px 22px}.prose blockquote>*+*{margin-top:1em}.prose code{background:var(--surface);border:1px solid var(--line);border-radius:3px;padding:1px 6px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.875em}.prose pre{background:var(--navy-deep);color:#e6f2f1;border-radius:3px;padding:18px 20px;overflow-x:auto}.prose pre code{color:inherit;background:0 0;border:0;padding:0;font-size:.8125rem;line-height:1.8}.prose hr{border:0;border-top:1px solid var(--line);margin:2.6em 0}.table-scroll{overflow-x:auto}.prose table{border-collapse:collapse;width:100%;font-size:.9375rem;line-height:1.8}.prose th,.prose td{border:1px solid var(--line);text-align:left;vertical-align:top;padding:10px 14px}.prose th{background:var(--surface);color:var(--navy);white-space:nowrap;font-weight:600}.article-author{max-width:var(--measure);border-top:1px solid var(--line);color:var(--muted);margin:48px auto 0;padding-top:20px;font-size:.8125rem}.list-head{margin:34px auto 44px}.list-head h1{word-break:auto-phrase;margin-top:12px;font-size:clamp(28px,4vw,40px)}.list-head>p:last-child{color:#3d585f;margin-top:16px}.card-list{max-width:var(--measure);grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:28px;margin-inline:auto;display:grid}.card{border:1px solid var(--line);background:#fff;border-radius:3px;transition:box-shadow .2s,border-color .2s;overflow:hidden}.card:hover{border-color:var(--teal);box-shadow:0 8px 24px #092f3d14}.card>a{height:100%;display:block}.card-thumb{aspect-ratio:16/9;background:var(--surface);overflow:hidden}.card-thumb img{object-fit:cover;width:100%;height:100%}.card-body{padding:22px 24px 26px}.card-body time{font-family:var(--latin);color:var(--muted);letter-spacing:.04em;font-size:.75rem}.card-client{color:var(--teal);margin-top:6px;font-size:.75rem;font-weight:600}.card-body h2{word-break:auto-phrase;margin-top:8px;font-size:1.125rem;line-height:1.7}.card-body>p{color:#52666b;margin-top:10px;font-size:.875rem;line-height:1.9}.card-body .tag-list{margin-top:14px}.empty{text-align:center;color:var(--muted);padding:56px 0}.article-cta{max-width:var(--measure);background:var(--navy);color:#fff;border-radius:3px;margin:72px auto 0;padding:40px 38px}.article-cta .cta-kicker{font-family:var(--latin);letter-spacing:.2em;color:var(--mint);text-transform:uppercase;font-size:.75rem}.article-cta h2{margin-top:14px;font-size:1.3125rem;line-height:1.75}.article-cta>p:last-of-type{color:#c6dcdd;margin-top:14px;font-size:.9375rem}.article-cta .button{margin-top:26px}.back-link{max-width:var(--measure);margin:36px auto 0;font-size:.875rem}.back-link a:hover{color:var(--teal)}@media (width<=1000px){.desktop-nav{display:none}.header-cta{margin-left:auto}.site-header{height:80px}.header-inner{padding-inline:30px}.menu-toggle{cursor:pointer;background:0 0;border:0;flex-direction:column;justify-content:center;align-items:center;gap:7px;min-width:44px;height:44px;padding:8px;display:flex}.menu-toggle span{background:var(--navy);width:24px;height:1px;transition:transform .2s}.menu-toggle[aria-expanded=true] span:first-child{transform:translateY(4px)rotate(45deg)}.menu-toggle[aria-expanded=true] span:last-child{transform:translateY(-4px)rotate(-45deg)}.mobile-menu{z-index:49;background:#fff;height:calc(100dvh - 80px);padding:30px max(30px,50vw - 300px) 120px;position:fixed;top:80px;left:0;right:0;overflow:auto}.mobile-menu a{border-bottom:1px solid var(--line);padding:20px 3px;font-size:1.125rem;display:block}.mobile-menu a:last-child{color:var(--teal)}.container,.article-shell{width:calc(100% - 76px)}}@media (width<=1100px){.brand-mark{width:42px;height:42px}.brand-type>span{font-size:24px}.brand-type small{font-size:10px}}@media (width<=800px){.container,.article-shell{width:calc(100% - 64px)}.article-main{padding-top:40px}.prose{font-size:1rem}.card-list{grid-template-columns:1fr;gap:20px}}@media (width<=640px){html{scroll-padding-top:89px}.site-header{height:74px}.header-inner{gap:12px;padding-inline:19px}.brand{gap:9px}.brand-mark{width:38px;height:38px}.brand-type>span{font-size:23px}.brand-type small,.header-cta{display:none}.menu-toggle{margin-left:auto}.mobile-menu{height:calc(100dvh - 74px);padding:23px 27px 125px;top:74px}.container,.article-shell{width:calc(100% - 44px)}.article-cta{padding:30px 24px}.article-cta .button{width:100%}.case-facts{grid-template-columns:1fr}.site-footer{margin-top:64px}.footer-top{flex-direction:column;align-items:flex-start;gap:18px}.footer-bottom{flex-direction:column;align-items:flex-start;gap:14px}}@media (width<=360px){.brand-type>span{font-size:21px}}@media print{.site-header,.article-cta,.back-link,.breadcrumb,.menu-toggle,.mobile-menu{display:none!important}.article-shell{width:100%}.prose a{color:inherit;text-decoration:none}}