:root{--color-primary: #2563eb;--color-primary-dark: #1d4ed8;--color-bg: #0f172a;--color-bg-light: #1e293b;--color-text: #f8fafc;--color-text-muted: #94a3b8;--color-accent: #38bdf8;--font-sans: "Inter", "Noto Sans JP", system-ui, sans-serif;--max-width: 1200px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);line-height:1.7}a{color:var(--color-accent);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:var(--max-width);margin:0 auto;padding:0 1.5rem}section{padding:5rem 0}.btn{display:inline-block;padding:.875rem 2rem;border-radius:.5rem;font-weight:600;font-size:1.125rem;transition:all .2s;cursor:pointer;border:none}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark);text-decoration:none;transform:translateY(-1px)}.section-title{font-size:2rem;font-weight:700;margin-bottom:1rem;text-align:center}.section-subtitle{color:var(--color-text-muted);text-align:center;max-width:600px;margin:0 auto 3rem}@media(max-width:768px){section{padding:3rem 0}.section-title{font-size:1.5rem}}.hero[data-astro-cid-bbe6dxrz]{min-height:90vh;display:flex;align-items:center;text-align:center;background:radial-gradient(ellipse at top,#1e3a5f 0%,var(--color-bg) 70%)}.hero-tag[data-astro-cid-bbe6dxrz]{color:var(--color-accent);font-weight:600;letter-spacing:.1em;text-transform:uppercase;margin-bottom:1.5rem}.hero-title[data-astro-cid-bbe6dxrz]{font-size:3.5rem;font-weight:700;line-height:1.2;margin-bottom:1.5rem}.hero-description[data-astro-cid-bbe6dxrz]{color:var(--color-text-muted);font-size:1.125rem;margin-bottom:2.5rem}.hero-actions[data-astro-cid-bbe6dxrz]{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.btn-outline[data-astro-cid-bbe6dxrz]{border:2px solid var(--color-text-muted);color:var(--color-text);padding:.75rem 2rem;border-radius:.5rem;font-weight:600;font-size:1.125rem;transition:all .2s}.btn-outline[data-astro-cid-bbe6dxrz]:hover{border-color:var(--color-accent);color:var(--color-accent);text-decoration:none}@media(max-width:768px){.hero-title[data-astro-cid-bbe6dxrz]{font-size:2rem}.hero-description[data-astro-cid-bbe6dxrz] br[data-astro-cid-bbe6dxrz]{display:none}}.about[data-astro-cid-v2cbyr3p]{background:var(--color-bg-light)}.features[data-astro-cid-v2cbyr3p]{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem}.feature[data-astro-cid-v2cbyr3p]{background:var(--color-bg);padding:2rem;border-radius:1rem;text-align:center}.feature-icon[data-astro-cid-v2cbyr3p]{font-size:2.5rem;margin-bottom:1rem}.feature[data-astro-cid-v2cbyr3p] h3[data-astro-cid-v2cbyr3p]{font-size:1.25rem;margin-bottom:.75rem}.feature[data-astro-cid-v2cbyr3p] p[data-astro-cid-v2cbyr3p]{color:var(--color-text-muted);font-size:.95rem}.event-list[data-astro-cid-bqssetp2]{display:flex;flex-direction:column;gap:1.5rem;max-width:800px;margin:0 auto}.event-card[data-astro-cid-bqssetp2]{display:flex;gap:2rem;background:var(--color-bg-light);padding:1.5rem 2rem;border-radius:1rem;align-items:flex-start;border-left:4px solid var(--color-primary)}.event-date[data-astro-cid-bqssetp2]{color:var(--color-accent);font-weight:700;white-space:nowrap;min-width:100px}.event-tag[data-astro-cid-bqssetp2]{display:inline-block;background:var(--color-primary);color:#fff;padding:.15rem .75rem;border-radius:1rem;font-size:.8rem;margin-bottom:.5rem}.event-body[data-astro-cid-bqssetp2] h3[data-astro-cid-bqssetp2]{font-size:1.125rem;margin-bottom:.25rem}.event-body[data-astro-cid-bqssetp2] p[data-astro-cid-bqssetp2]{color:var(--color-text-muted);font-size:.95rem}@media(max-width:768px){.event-card[data-astro-cid-bqssetp2]{flex-direction:column;gap:.5rem}}.contact[data-astro-cid-xmivup5a]{background:var(--color-bg-light)}.links[data-astro-cid-xmivup5a]{display:flex;gap:1.5rem;justify-content:center;flex-wrap:wrap}.link-card[data-astro-cid-xmivup5a]{display:flex;align-items:center;gap:.75rem;background:var(--color-bg);padding:1rem 2rem;border-radius:.75rem;font-weight:600;transition:all .2s;border:1px solid transparent}.link-card[data-astro-cid-xmivup5a]:hover{border-color:var(--color-accent);text-decoration:none;transform:translateY(-2px)}.link-icon[data-astro-cid-xmivup5a]{font-size:1.5rem}.footer[data-astro-cid-xmivup5a]{text-align:center;padding:2rem 0;color:var(--color-text-muted);font-size:.875rem}