:root{--navy-900: #060f22;--navy-800: #0a1730;--navy-700: #0f1f3d;--navy-600: #16294f;--navy-500: #1f3a6e;--silver-100: #f1f3f6;--silver-300: #cdd3dc;--silver-500: #9aa3b2;--silver-700: #69707d;--silver-grad: linear-gradient(160deg, #f4f6f9 0%, #cdd3dc 38%, #8b93a3 70%, #c4cad4 100%);--accent: #3b82f6;--accent-hover: #2f6ad9;--accent-on-light: #1d54c9;--accent-soft: rgba(59, 130, 246, .14);--bg: #ffffff;--bg-alt: #f4f6fa;--ink-strong: #0a1730;--ink: #14203a;--ink-sub: #51596b;--line: #e1e6ee;--on-dark: #eef1f6;--on-dark-sub: #aab2c2;--on-dark-line: rgba(205, 211, 220, .16);--grad-dark: linear-gradient(150deg, #0a1730 0%, #0f1f3d 55%, #060f22 100%);--grad-hero-glow: radial-gradient(900px 480px at 78% -8%, rgba(59, 130, 246, .18), transparent 62%);--grad-hairline: linear-gradient(90deg, transparent, rgba(205, 211, 220, .5), transparent);--shadow-card-light: 0 2px 16px rgba(10, 23, 48, .08);--shadow-card-dark: 0 8px 30px rgba(0, 0, 0, .45), inset 0 1px 0 rgba(255, 255, 255, .04);--shadow-cta: 0 6px 22px rgba(59, 130, 246, .32);--radius: 12px;--radius-sm: 8px;--font-jp: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", "Meiryo", system-ui, -apple-system, "Segoe UI", sans-serif;--font-num: "Inter", "Helvetica Neue", "Arial", system-ui, sans-serif;--font-sans: var(--font-jp);--maxw: 1080px;--maxw-narrow: 760px;--space-section: clamp(4rem, 10vw, 7.5rem);--bg-navy: var(--navy-900);--on-navy: var(--on-dark);--on-navy-sub: var(--on-dark-sub);--on-navy-line: var(--on-dark-line);--accent-text: var(--accent-on-light)}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font-jp);color:var(--ink);background:var(--bg);line-height:1.8;font-size:16px;letter-spacing:.01em;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;font-feature-settings:"palt" 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silver-shine{0%,to{background-position:0 0}50%{background-position:100% 0}}.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:1.25rem}.container--narrow{max-width:var(--maxw-narrow)}.section{padding-block:var(--space-section)}.section--alt{background:var(--bg-alt)}.section--dark{background:var(--grad-hero-glow),var(--grad-dark);color:var(--on-dark);position:relative;overflow:hidden}.section--dark h2,.section--dark h3,.section--dark h4{color:var(--silver-300)}.section--dark p{color:var(--on-dark)}.section--navy-900{background:var(--navy-900);color:var(--on-dark)}.section--navy-900 h2,.section--navy-900 h3{color:var(--silver-300)}.section--navy-900 p{color:var(--on-dark)}.section-head{text-align:center;margin-bottom:clamp(2.5rem,6vw,3.75rem)}.section-head .eyebrow{justify-content:center}.section-head h2{font-size:clamp(1.65rem,4.5vw,2.4rem);line-height:1.32;margin:0 0 .9rem}.section-head p{color:var(--ink-sub);margin:0 auto;max-width:42rem;font-size:.97rem;line-height:1.85}.section--dark .section-head p,.section--navy-900 .section-head p{color:var(--on-dark-sub)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.45rem;padding:.95rem 1.8rem;border-radius:var(--radius);font-weight:700;font-size:1rem;text-decoration:none;cursor:pointer;transition:background .15s ease,transform .05s ease,border-color .15s ease,color .15s ease;border:1.5px solid transparent;line-height:1.3;text-align:center}.btn:hover{text-decoration:none}.btn:active{transform:translateY(1px)}.btn--primary{background:var(--accent);color:#fff;border:none;box-shadow:var(--shadow-cta)}.btn--primary:hover{background:var(--accent-hover)}.btn--secondary-dark{background:transparent;color:var(--on-dark);border:1.5px solid var(--silver-700)}.btn--secondary-dark:hover{border-color:var(--silver-300);color:var(--silver-100)}.btn--secondary-light,.btn--secondary{background:#fff;color:var(--ink);border:1.5px solid var(--line)}.btn--secondary-light:hover,.btn--secondary:hover{border-color:var(--accent);color:var(--accent-on-light)}.btn--lg{padding:1.1rem 2.2rem;font-size:1.05rem}.btn-group{display:flex;flex-wrap:wrap;gap:.9rem}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:clamp(1.5rem,3vw,1.9rem);box-shadow:var(--shadow-card-light);transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease}.card:hover{box-shadow:0 6px 24px #0a17301f;transform:translateY(-2px);border-color:#d4dbe6}.card--dark{background:var(--navy-700);border:1px solid var(--on-dark-line);border-radius:var(--radius);box-shadow:var(--shadow-card-dark);color:var(--on-dark);padding:clamp(1.5rem,3vw,1.9rem);transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease}.card--dark:hover{transform:translateY(-2px);border-color:var(--silver-700)}.card--dark h3{color:var(--silver-300)}.card--dark p{color:var(--on-dark-sub)}.grid{display:grid;gap:1.25rem}.badge{display:inline-flex;align-items:center;gap:.4rem;font-size:.78rem;font-weight:700;letter-spacing:.04em;padding:.35rem .7rem;border-radius:999px;background:var(--accent-soft);color:var(--accent)}.hairline{height:1px;background:var(--grad-hairline);border:0;margin:0}.text-center{text-align:center}.eyebrow{display:inline-flex;align-items:center;gap:.55rem;font-size:.78rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-on-light);margin-bottom:.85rem}.eyebrow:before{content:"";width:1.6rem;height:2px;background:var(--accent);border-radius:2px}.eyebrow:lang(ja){text-transform:none;letter-spacing:.12em}.section--dark .eyebrow,.section--navy-900 .eyebrow,.hero .eyebrow{color:var(--silver-300)}.section--dark .eyebrow:before,.section--navy-900 .eyebrow:before,.hero .eyebrow:before{background:var(--silver-500)}.muted{color:var(--ink-sub);font-size:.9rem}.section--dark .muted,.section--navy-900 .muted{color:var(--on-dark-sub)}.placeholder{border:2px dashed var(--line);border-radius:var(--radius);background:var(--bg-alt);color:var(--ink-sub);padding:1.5rem;text-align:center}.placeholder small{display:block;margin-top:.5rem;opacity:.7}.skip-link{position:absolute;left:-9999px;top:0;background:var(--navy-800);color:#fff;padding:.6rem 1rem;z-index:200}.skip-link:focus{left:0}@media(min-width:640px){.grid--2{grid-template-columns:repeat(2,1fr)}}@media(min-width:880px){.grid--3{grid-template-columns:repeat(3,1fr)}.grid--4{grid-template-columns:repeat(4,1fr)}}.site-header[data-astro-cid-3ef6ksr2]{position:sticky;top:0;z-index:100;background:#0a1730eb;backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid rgba(238,242,248,.07)}.site-header__inner[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;justify-content:space-between;height:64px}.brand__mark[data-astro-cid-3ef6ksr2]{font-weight:800;font-size:1.2rem;color:var(--silver-100);letter-spacing:.04em}.brand[data-astro-cid-3ef6ksr2]:hover{text-decoration:none}.nav__toggle[data-astro-cid-3ef6ksr2]{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;background:none;border:none;cursor:pointer;padding:0}.nav__toggle[data-astro-cid-3ef6ksr2] span[data-astro-cid-3ef6ksr2]{display:block;width:24px;height:2px;background:var(--on-dark);margin-inline:auto;transition:.2s}.nav__list[data-astro-cid-3ef6ksr2]{list-style:none;margin:0;padding:0;position:absolute;top:64px;left:0;right:0;background:var(--navy-800);border-bottom:1px solid var(--on-dark-line);flex-direction:column;display:none}.nav__list[data-astro-cid-3ef6ksr2].is-open{display:flex}.nav__list[data-astro-cid-3ef6ksr2] li[data-astro-cid-3ef6ksr2]{border-top:1px solid var(--on-dark-line)}.nav__list[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:not(.btn){display:block;padding:1rem 1.25rem;color:var(--on-dark);font-weight:600}.nav__list[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:not(.btn):hover{color:var(--silver-100);text-decoration:none}.nav__list[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2].is-active{color:var(--accent)}.nav__cta[data-astro-cid-3ef6ksr2]{padding:1rem 1.25rem}.nav__cta[data-astro-cid-3ef6ksr2] .btn[data-astro-cid-3ef6ksr2]{width:100%}@media(min-width:880px){.nav__toggle[data-astro-cid-3ef6ksr2]{display:none}.nav__list[data-astro-cid-3ef6ksr2]{position:static;display:flex;flex-direction:row;align-items:center;gap:.5rem;border:none;background:none}.nav__list[data-astro-cid-3ef6ksr2] li[data-astro-cid-3ef6ksr2]{border:none}.nav__list[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:not(.btn){padding:.5rem .9rem;font-size:.95rem}.nav__cta[data-astro-cid-3ef6ksr2]{padding:0 0 0 .6rem}.nav__cta[data-astro-cid-3ef6ksr2] .btn[data-astro-cid-3ef6ksr2]{width:auto;padding:.6rem 1.2rem;font-size:.95rem}}.site-footer[data-astro-cid-sz7xmlte]{background:var(--navy-900);color:var(--on-navy-sub);padding-block:3rem 2rem;margin-top:0}.site-footer[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:var(--on-navy)}.site-footer[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:#fff}.site-footer__name[data-astro-cid-sz7xmlte]{font-weight:800;font-size:1.1rem;color:#fff;letter-spacing:.04em}.site-footer__top[data-astro-cid-sz7xmlte]{display:grid;gap:2rem;padding-bottom:2rem;border-bottom:1px solid rgba(255,255,255,.1)}.site-footer[data-astro-cid-sz7xmlte] .muted[data-astro-cid-sz7xmlte]{color:var(--on-navy-sub)}.site-footer__nav[data-astro-cid-sz7xmlte] ul[data-astro-cid-sz7xmlte]{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.5rem 1.4rem}.site-footer__nav[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{font-size:.92rem}.site-footer__legal[data-astro-cid-sz7xmlte]{padding-top:1.5rem}.site-footer__legal[data-astro-cid-sz7xmlte] .placeholder[data-astro-cid-sz7xmlte]{color:var(--on-navy-sub);background:#ffffff0a;border-color:#fff3;margin-bottom:1.5rem}@media(min-width:760px){.site-footer__top[data-astro-cid-sz7xmlte]{grid-template-columns:1.5fr 1fr;align-items:start}.site-footer__nav[data-astro-cid-sz7xmlte] ul[data-astro-cid-sz7xmlte]{justify-content:flex-end}}