:root{--navy-900:#12305e;--navy-800:#183a70;--navy-700:#1e4682;--navy-500:#3a72b4;--navy-100:#e6edf6;--accent-600:#00776a;--accent-500:#00a89a;--accent-100:#e2f3f0;--warm-100:#f7e8d4;--ink:#1d2733;--ink-mute:#5d6874;--ink-faint:#8a8f97;--bg:#fff;--bg-alt:#f8f5f0;--line:#e7e3dc;--font-sans:"Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Meiryo", sans-serif;--font-serif:"Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;--w-wide:1120px;--w-text:760px;--gutter:clamp(20px, 5vw, 48px);--sec-y:clamp(64px, 9vw, 120px);--radius:4px;--shadow:0 1px 2px #12305e0d, 0 12px 32px -18px #12305e42}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{background:var(--bg);color:var(--ink);font-family:var(--font-sans);font-feature-settings:"palt" 1;letter-spacing:.02em;-webkit-font-smoothing:antialiased;margin:0;font-size:17px;line-height:1.9}img{max-width:100%;height:auto;display:block}a{color:var(--navy-700);text-underline-offset:.2em}a:hover{color:var(--accent-600)}h1,h2,h3,h4{font-family:var(--font-serif);letter-spacing:.04em;color:var(--navy-900);margin:0;font-weight:600;line-height:1.5}p{margin:0}.wrap{width:100%;max-width:var(--w-wide);padding-inline:var(--gutter);margin-inline:auto}.wrap--text{max-width:var(--w-text)}.section{padding-block:var(--sec-y)}.section--alt{background:var(--bg-alt);border-block:1px solid var(--line)}.stack>*+*{margin-top:1.25rem}.eyebrow{font-family:var(--font-sans);letter-spacing:.22em;color:var(--accent-600);text-transform:uppercase;margin:0 0 .9rem;font-size:.8125rem;font-weight:700}.h-sec{font-size:clamp(1.5rem,3.4vw,2.05rem)}.h-sec+.lead{margin-top:1.1rem}.lead{color:var(--ink-mute);font-size:1.0625rem}.rule{background:var(--accent-500);border:0;width:46px;height:2px;margin:1.5rem 0 0}.btn{font-family:var(--font-sans);letter-spacing:.06em;border-radius:var(--radius);border:1px solid #0000;align-items:center;gap:.6em;padding:.95em 2em;font-size:1rem;font-weight:700;text-decoration:none;transition:background-color .2s,color .2s,border-color .2s;display:inline-flex}.btn--primary{background:var(--navy-700);color:#fff}.btn--primary:hover{background:var(--navy-900);color:#fff}.btn--ghost{border-color:var(--line);color:var(--navy-700);background:#fff}.btn--ghost:hover{border-color:var(--navy-500);color:var(--navy-900)}.btn--onDark{color:var(--navy-900);background:#fff}.btn--onDark:hover{background:var(--accent-100);color:var(--navy-900)}.card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:clamp(24px,3.5vw,36px)}.grid{gap:clamp(16px,2.2vw,24px);display:grid}.grid--3{grid-template-columns:repeat(3,1fr)}.grid--2{grid-template-columns:repeat(2,1fr)}@media (width<=860px){.grid--3,.grid--2{grid-template-columns:1fr}}.prose p+p{margin-top:1.5em}.prose h2{margin-top:3rem;font-size:1.3rem}.prose h3{margin-top:2.2rem;font-size:1.1rem}.prose h2+p,.prose h3+p{margin-top:1em}.prose ul{margin:1.2em 0;padding-left:1.2em}.prose li+li{margin-top:.5em}.visually-hidden{clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition-duration:.001ms!important;transition-delay:0s!important;animation-duration:.001ms!important;animation-delay:0s!important}}.has-reveal [data-reveal],.has-reveal [data-reveal-stagger]>*{opacity:0;transform:translateY(14px)}.has-reveal [data-reveal].is-in,.has-reveal [data-reveal-stagger]>.is-in{opacity:1;transition:opacity .62s cubic-bezier(.22,.7,.3,1),transform .62s cubic-bezier(.22,.7,.3,1);transition-delay:var(--reveal-delay,0s);transform:none}.hd{transition:box-shadow .3s,border-color .3s}.hd[data-scrolled]{box-shadow:0 1px 16px -8px #12305e4d}.card{transition:transform .28s cubic-bezier(.22,.7,.3,1),box-shadow .28s,border-color .28s}.card:hover{border-color:#ddd8d0;transform:translateY(-3px);box-shadow:0 1px 2px #12305e0a,0 18px 34px -24px #12305e73}.btn{transition:background-color .22s,color .22s,border-color .22s}.btn--primary:after,.btn--onDark:after{content:"→";font-size:1em;line-height:1;transition:transform .26s cubic-bezier(.22,.7,.3,1);transform:translate(0)}.btn--primary:hover:after,.btn--onDark:hover:after{transform:translate(4px)}.btn--ghost{transition:background-color .22s,color .22s,border-color .22s}.btn--ghost:hover{background:var(--bg-alt)}.prose a,.fee a{background-image:linear-gradient(var(--accent-500), var(--accent-500));background-position:0 100%;background-repeat:no-repeat;background-size:100% 1px;padding-bottom:.1em;text-decoration:none;transition:background-size .28s}.prose a:hover,.fee a:hover{background-size:100% 2px}.hd[data-astro-cid-nen7h5rs]{z-index:50;backdrop-filter:blur(8px);border-bottom:1px solid var(--line);background:#ffffffeb;position:sticky;top:0}.hd__inner[data-astro-cid-nen7h5rs]{justify-content:space-between;align-items:center;gap:1.5rem;min-height:76px;display:flex}.hd__brand[data-astro-cid-nen7h5rs]{align-items:center;text-decoration:none;display:flex}.hd__logo[data-astro-cid-nen7h5rs]{width:158px;height:auto}@media (width<=400px){.hd__logo[data-astro-cid-nen7h5rs]{width:132px}}.hd__nav[data-astro-cid-nen7h5rs] ul[data-astro-cid-nen7h5rs]{align-items:center;gap:clamp(1rem,2.4vw,2rem);margin:0;padding:0;list-style:none;display:flex}.hd__nav[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]{letter-spacing:.08em;color:var(--ink);padding:.4rem 0;font-size:.9375rem;font-weight:500;text-decoration:none;display:block;position:relative}.hd__nav[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]:after{content:"";background:var(--accent-500);height:1.5px;transition:right .22s;position:absolute;bottom:0;left:0;right:100%}.hd__nav[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]:hover:after,.hd__nav[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs][aria-current=page]:after{right:0}.hd__nav[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs][aria-current=page]{color:var(--navy-900)}.hd__toggle[data-astro-cid-nen7h5rs]{cursor:pointer;background:0 0;border:0;width:44px;height:44px;padding:0;display:none}.hd__bars[data-astro-cid-nen7h5rs],.hd__bars[data-astro-cid-nen7h5rs]:before,.hd__bars[data-astro-cid-nen7h5rs]:after{background:var(--navy-900);width:22px;height:1.5px;transition:transform .22s,opacity .22s;display:block}.hd__bars[data-astro-cid-nen7h5rs]{margin-inline:auto;position:relative}.hd__bars[data-astro-cid-nen7h5rs]:before,.hd__bars[data-astro-cid-nen7h5rs]:after{content:"";position:absolute;left:0}.hd__bars[data-astro-cid-nen7h5rs]:before{top:-7px}.hd__bars[data-astro-cid-nen7h5rs]:after{top:7px}.hd__toggle[data-astro-cid-nen7h5rs][aria-expanded=true] .hd__bars[data-astro-cid-nen7h5rs]{background:0 0}.hd__toggle[data-astro-cid-nen7h5rs][aria-expanded=true] .hd__bars[data-astro-cid-nen7h5rs]:before{transform:translateY(7px)rotate(45deg)}.hd__toggle[data-astro-cid-nen7h5rs][aria-expanded=true] .hd__bars[data-astro-cid-nen7h5rs]:after{transform:translateY(-7px)rotate(-45deg)}@media (width<=860px){.hd__toggle[data-astro-cid-nen7h5rs]{margin-right:-10px;display:block}.hd__nav[data-astro-cid-nen7h5rs]{border-bottom:1px solid var(--line);box-shadow:var(--shadow);background:#fff;display:none;position:absolute;inset:100% 0 auto}.hd__nav[data-astro-cid-nen7h5rs][data-open=true]{display:block}.hd__nav[data-astro-cid-nen7h5rs] ul[data-astro-cid-nen7h5rs]{padding:.5rem var(--gutter) 1.25rem;flex-direction:column;align-items:stretch;gap:0}.hd__nav[data-astro-cid-nen7h5rs] li[data-astro-cid-nen7h5rs]+li[data-astro-cid-nen7h5rs]{border-top:1px solid var(--line)}.hd__nav[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]{padding:.95rem 0;font-size:1rem}.hd__nav[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]:after{display:none}}.ft[data-astro-cid-jo6i4kqk]{background:var(--navy-900);color:#ffffffc7}.ft__inner[data-astro-cid-jo6i4kqk]{flex-wrap:wrap;justify-content:space-between;gap:2.5rem;padding-block:clamp(48px,6vw,72px) 2.5rem;display:flex}.ft__name[data-astro-cid-jo6i4kqk]{font-family:var(--font-serif);color:#fff;letter-spacing:.06em;font-size:1.125rem}.ft__name[data-astro-cid-jo6i4kqk] span[data-astro-cid-jo6i4kqk]{font-family:var(--font-sans);color:#ffffff8c;font-size:.8125rem}.ft__note[data-astro-cid-jo6i4kqk]{color:#fff9;margin-top:.5rem;font-size:.875rem}.ft__nav[data-astro-cid-jo6i4kqk] ul[data-astro-cid-jo6i4kqk]{flex-wrap:wrap;gap:.4rem 1.75rem;margin:0;padding:0;list-style:none;display:flex}.ft__nav[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk],.ft__bottom[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]{color:#ffffffc7;font-size:.875rem;text-decoration:none}.ft__nav[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]:hover,.ft__bottom[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]:hover{color:var(--accent-500)}.ft__bottom[data-astro-cid-jo6i4kqk]{color:#ffffff80;border-top:1px solid #ffffff1f;flex-wrap:wrap;justify-content:space-between;gap:.5rem 1.5rem;padding-block:1.5rem;font-size:.8125rem;display:flex}.ft__bottom[data-astro-cid-jo6i4kqk] p[data-astro-cid-jo6i4kqk]{margin:0}.ft__links[data-astro-cid-jo6i4kqk]{flex-wrap:wrap;gap:.4rem 1.5rem;display:flex}.skip{z-index:100;background:var(--navy-900);color:#fff;padding:.75rem 1.25rem;font-size:.9375rem;text-decoration:none;position:absolute;top:0;left:-9999px}.skip:focus{color:#fff;left:0}