.header[data-astro-cid-3ef6ksr2]{background:linear-gradient(135deg,var(--brand-start) 0%,var(--brand-end) 100%);border-bottom:none;padding:1rem 0;position:sticky;top:0;z-index:10;box-shadow:0 4px 20px var(--brand-shadow)}.header-container[data-astro-cid-3ef6ksr2]{max-width:1200px;margin:0 auto;padding:0 1rem;display:flex;justify-content:space-between;align-items:center}.logo[data-astro-cid-3ef6ksr2]{margin:0;font-size:1.5rem;font-weight:700}.logo[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{text-decoration:none;color:var(--on-dk);font-weight:700;transition:color .2s ease}.logo[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover{color:var(--accent-warm)}.nav-list[data-astro-cid-3ef6ksr2]{display:flex;list-style:none;margin:0;padding:0;gap:2rem}.nav-list[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{text-decoration:none;color:color-mix(in srgb,var(--on-dk) 90%,transparent);font-weight:600;padding:.5rem 0;position:relative;transition:color .2s ease}.nav-list[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover,.nav-list[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2][aria-current=page]{color:var(--accent-warm)}.nav-list[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2][aria-current=page]:after{content:"";position:absolute;bottom:-.25rem;left:0;width:100%;height:2px;background-color:var(--accent-warm)}.nav-list[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:focus-visible{outline:2px solid var(--accent-warm);outline-offset:2px;border-radius:2px}@media (max-width: 768px){.header-container[data-astro-cid-3ef6ksr2]{padding:0 .5rem}.logo[data-astro-cid-3ef6ksr2]{font-size:1.25rem}.nav-list[data-astro-cid-3ef6ksr2]{gap:1rem}.nav-list[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{font-size:.9rem}}.footer[data-astro-cid-sz7xmlte]{background:linear-gradient(135deg,var(--bg-dk) 0%,var(--bg-dk-2) 100%);border-top:none;padding:2rem 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portrait){.bg-video__el[data-astro-cid-37fxchfa]{inset:auto auto 0 50%;width:100%;height:auto;transform:translate(-50%);object-fit:contain;object-position:center bottom}}@media (max-width: 640px){.bg-video[data-astro-cid-37fxchfa]{--veil-opacity: .3;--video-filter: brightness(.88) saturate(.8) contrast(.95)}}.site-chip[data-astro-cid-37fxchfa]{position:fixed;right:clamp(8px,2vw,16px);bottom:calc(clamp(8px,2vw,16px) + env(safe-area-inset-bottom,0px));z-index:2;pointer-events:auto;background:#fff9;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);border-radius:12px;padding:.35rem .6rem;font-size:.8125rem;color:#0a0a0a;box-shadow:0 2px 12px #0000001f}.site-chip[data-astro-cid-37fxchfa] a[data-astro-cid-37fxchfa]{color:inherit;text-decoration:underline}@media (max-width: 640px){.site-chip[data-astro-cid-37fxchfa]{font-size:.75rem}}footer[data-astro-cid-37fxchfa]{background:transparent!important;color:inherit!important;border:0!important;box-shadow:none!important;padding:0!important;min-height:0!important}footer[data-astro-cid-37fxchfa]>[data-astro-cid-37fxchfa]{display:none!important}main[data-astro-cid-37fxchfa]{padding-bottom:max(2rem,64px)}*{box-sizing:border-box}html{font-family:Hiragino Sans,Hiragino Kaku Gothic ProN,Noto Sans JP,Meiryo,sans-serif;background:linear-gradient(135deg,var(--surface-1, #f7fafc) 0%,var(--surface-2, #edf2f7) 100%);color:var(--bg-dk);line-height:1.6}body{margin:0;padding:0;min-height:100vh;display:flex;flex-direction:column}main{flex:1;padding:2rem 1rem;max-width:1200px;margin:0 auto;width:100%}h1,h2,h3,h4,h5,h6{margin-top:0;line-height:1.2;font-weight:600}img{max-width:100%;height:auto}button{cursor:pointer;border:none;border-radius:25px;padding:.75rem 1.5rem;font-size:1rem;transition:all .2s ease;font-weight:600}.btn-primary{background:linear-gradient(45deg,var(--brand-start),var(--brand-end));color:var(--on-dk);box-shadow:0 4px 15px var(--brand-shadow)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px var(--brand-shadow)}.btn-secondary{background-color:var(--on-dk);color:var(--brand-start);border:2px solid var(--brand-start);box-shadow:0 4px 15px #0000000d}.btn-secondary:hover{background-color:var(--brand-start);color:var(--on-dk);transform:translateY(-2px)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}*:focus-visible{outline:2px solid var(--accent-warm);outline-offset:2px}@media (max-width: 768px){main{padding:1rem .5rem}}