[data-chat-root]{position:fixed;right:max(1rem,env(safe-area-inset-right));bottom:max(1rem,env(safe-area-inset-bottom));z-index:1000}[data-chat-scrim]{display:none;position:fixed;inset:0;border:0;padding:0;margin:0;background:#0f27446b;z-index:999;cursor:default}body.chat-sheet-open [data-chat-scrim]{display:block}[data-chat-root] .chat-fab{border:1px solid var(--color-border);border-radius:999px;padding:.65rem 1rem;background:var(--color-teal);color:#fff;font-weight:600;cursor:pointer;box-shadow:var(--shadow-soft);min-height:2.75rem}[data-chat-root] .chat-panel{position:fixed;right:max(.75rem,env(safe-area-inset-right));bottom:max(4.25rem,calc(env(safe-area-inset-bottom) + 3.5rem));width:min(24rem,calc(100vw - 1.5rem));height:min(32rem,calc(100dvh - 6rem));max-height:calc(100dvh - 5rem);background:#fff;border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:0 12px 40px #0f274438;display:flex;flex-direction:column;overflow:hidden;isolation:isolate}[data-chat-root] .chat-panel[hidden]{display:none}[data-chat-root] .chat-panel__head{flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;gap:.5rem;padding:.65rem .75rem;border-bottom:1px solid var(--color-border);background:var(--color-navy);color:#fff;z-index:2}[data-chat-root] .chat-panel__title{margin:0;font-size:.9375rem;color:#fff;font-weight:600}[data-chat-root] .chat-panel__close{border:0;background:#ffffff26;border-radius:999px;cursor:pointer;color:#fff;font-size:1.25rem;line-height:1;min-width:2.5rem;min-height:2.5rem}[data-chat-root] .chat-panel__scroll{flex:1 1 auto;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:.75rem;display:flex;flex-direction:column;gap:.5rem;-webkit-overflow-scrolling:touch;background:#f8fafb}[data-chat-root] [data-chat-log]{display:flex;flex-direction:column;gap:.5rem;flex:1 1 auto;min-height:4rem}[data-chat-root] .chat-bubble{max-width:85%;padding:.6rem .85rem;border-radius:1.125rem;font-size:.875rem;line-height:1.45;word-break:break-word}[data-chat-root] .chat-bubble--user{align-self:flex-end;background:var(--color-teal);color:#fff;border-bottom-right-radius:.3rem;box-shadow:0 1px 2px #0a5a5740}[data-chat-root] .chat-bubble--assistant{align-self:flex-start;background:#fff;color:var(--color-text);border:1px solid var(--color-border);border-bottom-left-radius:.3rem;box-shadow:0 1px 3px #0f274414}[data-chat-root] .chat-bubble--system{align-self:stretch;max-width:100%;font-size:.8125rem;background:#f0f9f8;border:1px solid #c9ebe8;color:var(--color-navy)}[data-chat-root] .chat-bubble--meta{align-self:stretch;max-width:100%;font-size:.6875rem;background:transparent;border:0;color:var(--color-text-muted);padding:.25rem 0}[data-chat-root] .chat-typing{margin:0;font-size:.8125rem;color:var(--color-text-muted);font-style:italic}[data-chat-root] .chat-composer{flex:0 0 auto;flex-shrink:0;border-top:1px solid var(--color-border);padding:.5rem .75rem max(.5rem,env(safe-area-inset-bottom));background:#fff;box-shadow:0 -4px 12px #0f274414;z-index:2}[data-chat-root] .chat-turnstile-row{margin-top:.35rem;min-height:4rem}[data-chat-root] .chat-turnstile{min-height:4rem;min-width:10rem}[data-chat-root] .chat-turnstile iframe{max-width:100%}[data-chat-root] .chat-composer__form{display:flex;gap:.5rem;align-items:flex-end}[data-chat-root] .chat-composer__form textarea{flex:1 1 auto;min-height:2.5rem;max-height:6rem;resize:none;font:inherit;border:1px solid var(--color-border);border-radius:1rem;padding:.5rem .75rem}[data-chat-root] .chat-send{flex:0 0 auto;border:0;border-radius:999px;padding:.55rem 1rem;min-height:2.5rem;min-width:3.5rem;background:var(--color-teal);color:#fff;font-weight:600;cursor:pointer}[data-chat-root] .chat-send:disabled{opacity:.45;cursor:not-allowed}[data-chat-root] .chat-form__error{color:#9a3412;font-size:.75rem;margin:0 0 .35rem}[data-chat-root] .chat-panel__notice,[data-chat-root] .chat-panel__disabled,[data-chat-root] .chat-panel__footer{margin:0;font-size:.75rem;color:var(--color-text-muted)}@media(max-width:480px){[data-chat-root] .chat-panel{left:0;right:auto;bottom:auto;width:100%;height:100dvh;max-height:100dvh;border-radius:0;z-index:1001}body.chat-sheet-open [data-chat-scrim]{display:block}[data-chat-root] .chat-composer__form textarea{font-size:1rem}[data-chat-root] .chat-panel__notice,[data-chat-root] .chat-fab[aria-expanded=true]{display:none}}@media(min-width:481px){body.chat-sheet-open [data-chat-scrim]{display:none}}[data-chat-root] .chat-panel__prod-notice{margin:0;font-size:.8125rem;color:#9a3412;background:#fff7ed;border:1px solid #fed7aa;border-radius:var(--radius);padding:.5rem}[data-chat-root] .chat-panel__footer--composer{margin-top:.35rem;font-size:.6875rem}[data-chat-root] .chat-turnstile-hint{margin:0 0 .35rem;font-size:.6875rem;color:var(--color-text-muted)}[data-chat-root] .visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.site-footer[data-astro-cid-gcn2mc3v]{margin-top:auto;border-top:1px solid var(--color-border);background:var(--color-bg-soft);padding-block:var(--space-lg)}.site-footer__inner[data-astro-cid-gcn2mc3v]{display:grid;gap:var(--space-md)}.site-footer__brand[data-astro-cid-gcn2mc3v]{margin:0 0 var(--space-xs);font-weight:700;color:var(--color-navy)}.site-footer__note[data-astro-cid-gcn2mc3v]{margin:0;color:var(--color-text-muted);max-width:36rem;font-size:.9375rem}.site-footer__links[data-astro-cid-gcn2mc3v]{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.75rem 1.25rem}.site-footer__links[data-astro-cid-gcn2mc3v] a[data-astro-cid-gcn2mc3v]{color:var(--color-navy);text-decoration:none;font-weight:600;font-size:.9375rem}.site-footer__copy[data-astro-cid-gcn2mc3v]{margin:0;color:var(--color-text-muted);font-size:.875rem}.site-header[data-astro-cid-ctg3m53h]{border-bottom:1px solid var(--color-border);background:#fffffff5;position:sticky;top:0;z-index:50}.site-header__inner[data-astro-cid-ctg3m53h]{display:flex;align-items:center;gap:var(--space-md);min-height:3.5rem;padding-block:.5rem}.site-header__brand[data-astro-cid-ctg3m53h]{display:flex;align-items:center;text-decoration:none;flex-shrink:0}.site-header__logo[data-astro-cid-ctg3m53h]{width:auto;max-width:7rem;max-height:2.25rem;object-fit:contain}.site-header__menu-btn[data-astro-cid-ctg3m53h]{margin-left:auto;border:1px solid var(--color-border);background:#fff;border-radius:var(--radius);min-height:2.5rem;padding:0 .75rem;font-weight:600;color:var(--color-navy)}.site-header__nav[data-astro-cid-ctg3m53h]{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--color-border);padding:var(--space-md) 1rem var(--space-lg);box-shadow:var(--shadow-soft)}.site-header__nav[data-astro-cid-ctg3m53h].is-open{display:block}.site-header__list[data-astro-cid-ctg3m53h]{list-style:none;margin:0 0 var(--space-md);padding:0}.site-header__list[data-astro-cid-ctg3m53h] a[data-astro-cid-ctg3m53h]{display:block;padding:.5rem 0;text-decoration:none;color:var(--color-navy);font-weight:600}.site-header__list[data-astro-cid-ctg3m53h] a[data-astro-cid-ctg3m53h][aria-current=page]{color:var(--color-teal)}.site-header__cta[data-astro-cid-ctg3m53h]{width:100%}@media(min-width:56rem){.site-header[data-astro-cid-ctg3m53h]{position:sticky}.site-header__menu-btn[data-astro-cid-ctg3m53h]{display:none}.site-header__nav[data-astro-cid-ctg3m53h]{display:flex;position:static;align-items:center;gap:var(--space-md);border:0;box-shadow:none;padding:0;margin-left:auto}.site-header__list[data-astro-cid-ctg3m53h]{display:flex;gap:var(--space-md);margin:0}.site-header__list[data-astro-cid-ctg3m53h] a[data-astro-cid-ctg3m53h]{padding:.25rem 0;font-size:.9375rem}.site-header__cta[data-astro-cid-ctg3m53h]{width:auto;white-space:nowrap}}:root{--color-navy: #0f2744;--color-sky: #2e6f9e;--color-teal: #0c6b68;--color-bg: #ffffff;--color-bg-soft: #f4f7fa;--color-border: #d7e2ec;--color-text: #142433;--color-text-muted: #4a5f73;--color-focus: #2e6f9e;--font-sans: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Meiryo", sans-serif;--space-xs: .5rem;--space-sm: .75rem;--space-md: 1.25rem;--space-lg: 2rem;--space-xl: 3rem;--radius: .75rem;--shadow-soft: 0 1px 2px rgba(15, 39, 68, .06);--content-width: 42rem;--page-width: 72rem}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font-sans);color:var(--color-text);background:var(--color-bg);line-height:1.65;font-size:1rem}body.chat-sheet-open.chat-scroll-locked{overflow:hidden;position:fixed;width:100%;left:0;right:0;top:var(--chat-scroll-lock-y, 0)}img{max-width:100%;height:auto}a{color:var(--color-sky)}a:hover{color:var(--color-teal)}:focus-visible{outline:3px solid var(--color-focus);outline-offset:2px}main{display:block}.page-shell{min-height:100dvh;display:flex;flex-direction:column}.page-main{flex:1}.container{width:min(100% - 2rem,var(--page-width));margin-inline:auto}.section{padding-block:var(--space-xl)}.section--soft{background:var(--color-bg-soft)}.lead{font-size:1.125rem;color:var(--color-text-muted);max-width:var(--content-width)}.heading-xl{font-size:clamp(1.75rem,4vw,2.25rem);line-height:1.25;color:var(--color-navy);margin:0 0 var(--space-md);font-weight:700}.heading-lg{font-size:1.5rem;color:var(--color-navy);margin:0 0 var(--space-sm)}.heading-md{font-size:1.125rem;color:var(--color-navy);margin:0 0 var(--space-xs)}.prose{max-width:var(--content-width)}.prose p{margin:0 0 var(--space-md)}.prose ul{margin:0 0 var(--space-md);padding-left:1.25rem}.prose li+li{margin-top:.35rem}.button{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:2.75rem;padding:.65rem 1.25rem;border-radius:var(--radius);font-weight:600;text-decoration:none;border:1px solid transparent;cursor:pointer;font-size:1rem}.button--primary{background:var(--color-teal);color:#fff}.button--primary:hover{background:#0a5a57;color:#fff}.button--secondary{background:#fff;color:var(--color-navy);border-color:var(--color-border)}.button--secondary:hover{border-color:var(--color-sky)}.card-grid{display:grid;gap:var(--space-md);grid-template-columns:repeat(auto-fit,minmax(min(100%,16rem),1fr))}.card{border:1px solid var(--color-border);border-radius:var(--radius);padding:var(--space-md);background:#fff;box-shadow:var(--shadow-soft)}.card h3{margin-top:0}.meta{color:var(--color-text-muted);font-size:.9375rem}.empty-state{border:1px dashed var(--color-border);border-radius:var(--radius);padding:var(--space-lg);color:var(--color-text-muted);background:var(--color-bg-soft)}.skip-link{position:absolute;left:-9999px;top:0;background:var(--color-navy);color:#fff;padding:.5rem 1rem;z-index:100}.skip-link:focus{left:.5rem;top:.5rem}