:root{--color-primary: #137F9C;--color-primary-dark: #0B5A72;--color-primary-pale: #E4F0F4;--color-bg: #FAF8F4;--color-surface: #FFFFFF;--color-border: #E5E0D8;--color-text-main: #2A2A2A;--color-text-sub: #6B6B6B;--color-text-on-primary: #FFFFFF;--color-accent: #E89B4A;--color-accent-dark: #C57E32;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2.5rem;--space-2xl: 4rem;--space-3xl: 6rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 16px;--shadow-sm: 0 1px 2px rgba(11, 90, 114, .06);--shadow-md: 0 4px 12px rgba(11, 90, 114, .08);--content-max: 960px;--content-narrow: 720px}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;font-family:Noto Sans JP,-apple-system,Hiragino Kaku Gothic ProN,Yu Gothic UI,sans-serif;font-size:16px;line-height:1.8;color:var(--color-text-main);background:var(--color-bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}img{max-width:100%;height:auto;display:block}h1,h2,h3,h4{font-family:"M PLUS Rounded 1c",Noto Sans JP,sans-serif;font-weight:700;line-height:1.4;color:var(--color-text-main);margin:0 0 var(--space-md) 0}h1{font-size:2rem}h2{font-size:1.625rem}h3{font-size:1.25rem}h4{font-size:1.0625rem}p{margin:0 0 var(--space-md) 0}a{color:var(--color-primary);text-decoration:none;transition:color .15s ease}a:hover{color:var(--color-primary-dark);text-decoration:underline}ul,ol{margin:0 0 var(--space-md) 0;padding-left:1.5em}li{margin-bottom:.25em}button{font-family:inherit;cursor:pointer}.container{width:100%;max-width:var(--content-max);margin-left:auto;margin-right:auto;padding-left:var(--space-md);padding-right:var(--space-md)}.container-narrow{width:100%;max-width:var(--content-narrow);margin-left:auto;margin-right:auto;padding-left:var(--space-md);padding-right:var(--space-md)}.section{padding-top:var(--space-2xl);padding-bottom:var(--space-2xl)}.section-tight{padding-top:var(--space-xl);padding-bottom:var(--space-xl)}.section-pale{background:var(--color-primary-pale)}.btn{display:inline-block;padding:.75em 1.75em;border-radius:var(--radius-md);font-weight:500;text-decoration:none;border:1px solid transparent;transition:all .15s ease;font-size:1rem}.btn:hover{text-decoration:none}.btn-primary{background:var(--color-primary);color:var(--color-text-on-primary)}.btn-primary:hover{background:var(--color-primary-dark);color:var(--color-text-on-primary)}.btn-accent{background:var(--color-accent);color:var(--color-text-on-primary)}.btn-accent:hover{background:var(--color-accent-dark);color:var(--color-text-on-primary)}.btn-outline{background:transparent;color:var(--color-primary);border-color:var(--color-primary)}.btn-outline:hover{background:var(--color-primary);color:var(--color-text-on-primary)}.section-heading{text-align:center;margin-bottom:var(--space-xl)}.section-heading h2{font-size:1.75rem;margin-bottom:var(--space-sm)}.section-heading h2:after{content:"";display:block;width:48px;height:3px;background:var(--color-primary);margin:var(--space-md) auto 0;border-radius:2px}.section-heading p{color:var(--color-text-sub);font-size:.95rem;margin:0}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-lg);transition:box-shadow .2s ease,transform .2s ease}.card-hover:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.grid{display:grid;gap:var(--space-lg)}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}@media(max-width:768px){.grid-2,.grid-3{grid-template-columns:1fr}}.text-sub{color:var(--color-text-sub)}.text-center{text-align:center}.text-lead{font-size:1.0625rem;line-height:1.9}.text-small{font-size:.875rem}@media(max-width:768px){h1{font-size:1.625rem}h2{font-size:1.375rem}h3{font-size:1.125rem}.section{padding-top:var(--space-xl);padding-bottom:var(--space-xl)}}.info-table{width:100%;border-collapse:collapse;margin:var(--space-md) 0}.info-table th,.info-table td{padding:.85em 1em;text-align:left;border-bottom:1px solid var(--color-border);vertical-align:top}.info-table th{width:30%;font-weight:500;color:var(--color-text-sub);background:transparent}@media(max-width:600px){.info-table th,.info-table td{display:block;width:100%;border-bottom:none;padding:.25em 0}.info-table tr{display:block;border-bottom:1px solid var(--color-border);padding:.75em 0}.info-table th{padding-top:0}.info-table td{padding-bottom:0}}.site-header[data-astro-cid-3ef6ksr2]{background:var(--color-surface);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:100}.header-inner[data-astro-cid-3ef6ksr2]{max-width:var(--content-max);margin:0 auto;padding:.75rem 1rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}.brand[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;text-decoration:none}.brand[data-astro-cid-3ef6ksr2]:hover{text-decoration:none}.brand-logo[data-astro-cid-3ef6ksr2]{height:36px;width:auto}.site-nav[data-astro-cid-3ef6ksr2]{display:flex;align-items:center}.nav-list[data-astro-cid-3ef6ksr2]{display:flex;gap:1.25rem;list-style:none;margin:0;padding:0}.nav-link[data-astro-cid-3ef6ksr2]{color:var(--color-text-main);font-size:.9375rem;font-weight:500;text-decoration:none;padding:.5em 0;border-bottom:2px solid transparent;transition:border-color .15s ease,color .15s ease}.nav-link[data-astro-cid-3ef6ksr2]:hover{color:var(--color-primary);text-decoration:none}.nav-link[data-astro-cid-3ef6ksr2].active{color:var(--color-primary);border-bottom-color:var(--color-primary)}.nav-toggle[data-astro-cid-3ef6ksr2]{display:none;background:transparent;border:0;padding:.5rem;width:40px;height:40px;flex-direction:column;justify-content:space-between;align-items:center}.nav-toggle-bar[data-astro-cid-3ef6ksr2]{width:22px;height:2px;background:var(--color-text-main);border-radius:2px;display:block}.nav-toggle-bar[data-astro-cid-3ef6ksr2]+.nav-toggle-bar[data-astro-cid-3ef6ksr2]{margin-top:5px}.visually-hidden[data-astro-cid-3ef6ksr2]{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:768px){.nav-toggle[data-astro-cid-3ef6ksr2]{display:inline-flex}.nav-list[data-astro-cid-3ef6ksr2]{position:absolute;top:100%;left:0;right:0;background:var(--color-surface);flex-direction:column;gap:0;padding:.5rem 0;border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-md);max-height:0;overflow:hidden;transition:max-height .2s ease}.nav-list[data-astro-cid-3ef6ksr2].is-open{max-height:480px}.nav-list[data-astro-cid-3ef6ksr2] li[data-astro-cid-3ef6ksr2]{width:100%;border-top:1px solid var(--color-border)}.nav-list[data-astro-cid-3ef6ksr2] li[data-astro-cid-3ef6ksr2]:first-child{border-top:0}.nav-link[data-astro-cid-3ef6ksr2]{display:block;padding:.85em 1.25em;border-bottom:none;border-left:3px solid transparent}.nav-link[data-astro-cid-3ef6ksr2].active{border-bottom:none;border-left-color:var(--color-primary);background:var(--color-primary-pale)}}.site-footer[data-astro-cid-sz7xmlte]{background:var(--color-primary-dark);color:#ffffffeb;margin-top:var(--space-3xl)}.footer-inner[data-astro-cid-sz7xmlte]{max-width:var(--content-max);margin:0 auto;padding:var(--space-2xl) var(--space-md) var(--space-xl);display:grid;grid-template-columns:1fr 1fr;gap:var(--space-xl)}.footer-name[data-astro-cid-sz7xmlte]{font-family:"M PLUS Rounded 1c",Noto Sans JP,sans-serif;font-weight:700;font-size:1.0625rem;margin:0 0 .5rem;color:#fff}.footer-meta[data-astro-cid-sz7xmlte]{margin:0 0 .25rem;font-size:.875rem;color:#ffffffd9}.footer-meta[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:#fffffff2}.footer-meta[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:#fff}.footer-nav[data-astro-cid-sz7xmlte] ul[data-astro-cid-sz7xmlte]{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:.5rem 1rem}.footer-nav[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:#ffffffd9;font-size:.875rem}.footer-nav[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:#fff}.footer-bottom[data-astro-cid-sz7xmlte]{border-top:1px solid rgba(255,255,255,.15);padding:var(--space-md);text-align:center}.footer-bottom[data-astro-cid-sz7xmlte] small[data-astro-cid-sz7xmlte]{color:#ffffffb3;font-size:.8125rem}@media(max-width:768px){.footer-inner[data-astro-cid-sz7xmlte]{grid-template-columns:1fr;gap:var(--space-lg)}}.skip-link{position:absolute;top:-40px;left:0;background:var(--color-primary);color:#fff;padding:.5em 1em;z-index:200;transition:top .15s ease}.skip-link:focus{top:0}