:root{--paper: #FFFFFF;--mist: #F4F5F7;--line: #D8DBE2;--ink: #1A1A2E;--ink-mute: #5A5E6B;--navy: #1B2A4A;--navy-light: #2D4270;--navy-dark: #111D35;--gold: #C4941D;--gold-light: #D4A94A;--gold-tint: #FBF5E8;--accent: var(--navy);--accent-text: var(--navy);--accent-tint: #EEF0F5;--cta-bg: var(--gold);--cta-text: #FFFFFF;--cta-hover: #B0850F;--instant-bg: #F0F4FA;--instant-border: var(--navy-light);--checkpoint-bg: var(--gold-tint);--checkpoint-border: var(--gold);--shadow-sm: 0 1px 2px rgba(27, 42, 74, .06);--shadow-md: 0 4px 12px rgba(27, 42, 74, .08);--shadow-lg: 0 8px 24px rgba(27, 42, 74, .12);--text-h1: clamp(2.25rem, 5.5vw, 3.5rem);--text-h2: clamp(1.5rem, 3.5vw, 2rem);--text-h3: 1.25rem;--text-body: 1rem;--text-small: .875rem;--text-label: .75rem;--leading-display: 1.3;--leading-body: 1.9;--tracking-display: -.02em;--tracking-body: .02em;--tracking-label: .1em;--container-max: 1200px;--content-max: 780px;--label-width: 160px;--section-gap: clamp(72px, 10vw, 140px);--header-height: 64px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px}:root{--font-body: "Noto Sans JP", sans-serif;--font-mono: "JetBrains Mono", monospace}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-body);font-size:var(--text-body);font-weight:400;line-height:var(--leading-body);letter-spacing:var(--tracking-body);color:var(--ink);background-color:var(--paper);-webkit-font-smoothing:antialiased}img{max-width:100%;height:auto;display:block}a{color:var(--accent-text);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4{font-weight:900;line-height:var(--leading-display);letter-spacing:var(--tracking-display);color:var(--ink)}h1{font-size:var(--text-h1)}h2{font-size:var(--text-h2)}h3{font-size:var(--text-h3)}.container{max-width:var(--container-max);margin-inline:auto;padding-inline:1.5rem}.content-narrow{max-width:var(--content-max);margin-inline:auto}.section{padding-block:var(--section-gap)}.section--mist{background-color:var(--mist)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.text-mono{font-family:var(--font-mono);font-weight:500}[data-animate]{opacity:0;transform:translateY(16px);transition:opacity 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strong{font-weight:700;color:var(--ink)}.header[data-astro-cid-3ef6ksr2]{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--header-height);display:flex;align-items:center;background-color:transparent;transition:background-color .3s,box-shadow .3s}.header--scrolled[data-astro-cid-3ef6ksr2]{background-color:var(--paper);box-shadow:0 1px 0 var(--line)}.header-inner[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;justify-content:space-between;width:100%}.header-logo[data-astro-cid-3ef6ksr2]{text-decoration:none}.logo-text[data-astro-cid-3ef6ksr2]{font-weight:900;font-size:1.125rem;color:var(--navy);letter-spacing:-.02em}.header-nav[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:2rem}.nav-link[data-astro-cid-3ef6ksr2]{font-size:var(--text-small);font-weight:500;color:var(--ink);text-decoration:none;transition:color .2s}.nav-link[data-astro-cid-3ef6ksr2]:hover{color:var(--navy);text-decoration:none}.nav-cta[data-astro-cid-3ef6ksr2]{display:inline-block;padding:.5em 1.25em;background-color:var(--cta-bg);color:var(--cta-text);font-size:var(--text-small);font-weight:700;border-radius:var(--radius-md);text-decoration:none;transition:background-color .2s}.nav-cta[data-astro-cid-3ef6ksr2]:hover{background-color:var(--cta-hover);text-decoration:none}.header-menu[data-astro-cid-3ef6ksr2]{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px}.header-menu[data-astro-cid-3ef6ksr2] span[data-astro-cid-3ef6ksr2]{display:block;width:24px;height:2px;background-color:var(--ink);transition:transform .3s}@media(max-width:767px){.header-nav[data-astro-cid-3ef6ksr2]{display:none;position:absolute;top:var(--header-height);left:0;right:0;flex-direction:column;background-color:var(--paper);padding:1.5rem;gap:1rem;box-shadow:var(--shadow-md)}.header-nav[data-astro-cid-3ef6ksr2].is-open,.header-menu[data-astro-cid-3ef6ksr2]{display:flex}}.footer[data-astro-cid-sz7xmlte]{background-color:var(--navy-dark);color:#fffc;padding:4rem 0 2rem}.footer-grid[data-astro-cid-sz7xmlte]{display:grid;grid-template-columns:2fr 1fr 1fr;gap:3rem;margin-bottom:3rem}.footer-logo[data-astro-cid-sz7xmlte]{display:block;font-weight:900;font-size:1.125rem;color:var(--paper);margin-bottom:.75rem}.footer-desc[data-astro-cid-sz7xmlte]{font-size:var(--text-small);line-height:1.6}.footer-links[data-astro-cid-sz7xmlte]{display:flex;flex-direction:column;gap:.5rem}.footer-links[data-astro-cid-sz7xmlte] h4[data-astro-cid-sz7xmlte]{color:var(--gold);font-size:var(--text-small);font-weight:700;letter-spacing:var(--tracking-label);margin-bottom:.5rem}.footer-links[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:#ffffffb3;font-size:var(--text-small);text-decoration:none;transition:color .2s}.footer-links[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:var(--paper)}.footer-bottom[data-astro-cid-sz7xmlte]{border-top:1px solid rgba(255,255,255,.1);padding-top:1.5rem;text-align:center;font-size:var(--text-label);color:#ffffff80}@media(max-width:767px){.footer-grid[data-astro-cid-sz7xmlte]{grid-template-columns:1fr;gap:2rem}}.mobile-cta[data-astro-cid-3v5i3x4a]{display:none;position:fixed;bottom:0;left:0;right:0;z-index:90;padding:1.5rem 1rem .75rem;background:linear-gradient(to top,var(--paper) 80%,transparent)}.mobile-cta-btn[data-astro-cid-3v5i3x4a]{display:flex;align-items:center;justify-content:center;gap:.5rem;width:100%;padding:1rem;background-color:#06c755;color:var(--paper);font-weight:700;font-size:var(--text-body);border-radius:var(--radius-lg);text-decoration:none;box-shadow:var(--shadow-lg);transition:background-color .2s}.mobile-cta-btn[data-astro-cid-3v5i3x4a]:hover{background-color:#05b04c;text-decoration:none}.mobile-cta-icon[data-astro-cid-3v5i3x4a]{font-size:1.25rem}@media(max-width:767px){.mobile-cta[data-astro-cid-3v5i3x4a]{display:block}}