header[data-astro-cid-3ef6ksr2]{position:sticky;top:0;z-index:100;background-color:var(--color-bg-secondary);border-bottom:1px solid var(--color-border)}.header-inner[data-astro-cid-3ef6ksr2]{max-width:var(--max-width);margin:0 auto;padding:0 1rem;height:var(--header-height);display:flex;align-items:center;gap:2rem}.logo[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:.5rem;color:var(--color-text);font-weight:700;font-size:1.1rem}.logo[data-astro-cid-3ef6ksr2]:hover{color:var(--color-text)}.logo-icon[data-astro-cid-3ef6ksr2]{width:32px;height:32px;border-radius:4px}.nav-desktop[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:.25rem}.nav-link[data-astro-cid-3ef6ksr2]{padding:.5rem 1rem;color:var(--color-text-muted);border-radius:6px;transition:background-color .2s,color .2s;background:none;border:none;font-size:1rem;cursor:pointer;font-family:inherit}.nav-link[data-astro-cid-3ef6ksr2]:hover{background-color:var(--color-border);color:var(--color-text)}.nav-link[data-astro-cid-3ef6ksr2].active{color:var(--color-primary);background-color:#4f9eff1a}.nav-dropdown[data-astro-cid-3ef6ksr2]{position:relative}.nav-dropdown-toggle[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:.25rem}.dropdown-arrow[data-astro-cid-3ef6ksr2]{transition:transform .2s}.nav-dropdown[data-astro-cid-3ef6ksr2]:hover .dropdown-arrow[data-astro-cid-3ef6ksr2]{transform:rotate(180deg)}.nav-dropdown-menu[data-astro-cid-3ef6ksr2]{position:absolute;top:100%;left:0;min-width:200px;background-color:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:8px;box-shadow:0 4px 12px #0000004d;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .2s,transform .2s,visibility .2s;padding:.5rem 0}.nav-dropdown[data-astro-cid-3ef6ksr2]:hover .nav-dropdown-menu[data-astro-cid-3ef6ksr2]{opacity:1;visibility:visible;transform:translateY(0)}.nav-dropdown-item[data-astro-cid-3ef6ksr2]{display:block;padding:.625rem 1rem;color:var(--color-text-muted);transition:background-color .2s,color .2s}.nav-dropdown-item[data-astro-cid-3ef6ksr2]:hover{background-color:var(--color-border);color:var(--color-text)}.nav-dropdown-item[data-astro-cid-3ef6ksr2].active{color:var(--color-primary);background-color:#4f9eff1a}.lang-dropdown[data-astro-cid-3ef6ksr2]{position:relative;margin-left:auto}.lang-toggle[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:none;border:1px solid var(--color-border);border-radius:8px;cursor:pointer;color:var(--color-text-muted);transition:background-color .2s,color .2s,border-color .2s}.lang-toggle[data-astro-cid-3ef6ksr2]:hover{background-color:var(--color-border);color:var(--color-text)}.lang-dropdown[data-astro-cid-3ef6ksr2].open .lang-toggle[data-astro-cid-3ef6ksr2]{background-color:var(--color-border);color:var(--color-text);border-color:var(--color-text-muted)}.globe-icon[data-astro-cid-3ef6ksr2]{width:20px;height:20px}.lang-menu[data-astro-cid-3ef6ksr2]{position:absolute;top:calc(100% + 8px);right:0;min-width:140px;background-color:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:8px;box-shadow:0 4px 12px #0000004d;opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .2s,transform .2s,visibility .2s}.lang-dropdown[data-astro-cid-3ef6ksr2].open .lang-menu[data-astro-cid-3ef6ksr2]{opacity:1;visibility:visible;transform:translateY(0)}.lang-option[data-astro-cid-3ef6ksr2]{display:block;padding:.75rem 1rem;color:var(--color-text-muted);transition:background-color .2s,color .2s}.lang-option[data-astro-cid-3ef6ksr2]:first-child{border-radius:8px 8px 0 0}.lang-option[data-astro-cid-3ef6ksr2]:last-child{border-radius:0 0 8px 8px}.lang-option[data-astro-cid-3ef6ksr2]:hover{background-color:var(--color-border);color:var(--color-text)}.lang-option[data-astro-cid-3ef6ksr2].active{background-color:#4f9eff33;color:var(--color-primary)}.menu-toggle[data-astro-cid-3ef6ksr2]{display:none;background:none;border:none;padding:.5rem;cursor:pointer}.hamburger[data-astro-cid-3ef6ksr2]{display:block;width:24px;height:2px;background-color:var(--color-text);position:relative;transition:background-color .2s}.hamburger[data-astro-cid-3ef6ksr2]:before,.hamburger[data-astro-cid-3ef6ksr2]:after{content:"";position:absolute;left:0;width:24px;height:2px;background-color:var(--color-text);transition:transform .3s}.hamburger[data-astro-cid-3ef6ksr2]:before{top:-7px}.hamburger[data-astro-cid-3ef6ksr2]:after{top:7px}.menu-toggle[data-astro-cid-3ef6ksr2][aria-expanded=true] .hamburger[data-astro-cid-3ef6ksr2]{background-color:transparent}.menu-toggle[data-astro-cid-3ef6ksr2][aria-expanded=true] .hamburger[data-astro-cid-3ef6ksr2]:before{transform:translateY(7px) rotate(45deg)}.menu-toggle[data-astro-cid-3ef6ksr2][aria-expanded=true] .hamburger[data-astro-cid-3ef6ksr2]:after{transform:translateY(-7px) rotate(-45deg)}.nav-mobile[data-astro-cid-3ef6ksr2]{display:none;flex-direction:column;background-color:var(--color-bg-secondary);border-bottom:1px solid var(--color-border);padding:.5rem 1rem 1rem}.nav-mobile[data-astro-cid-3ef6ksr2] .nav-link[data-astro-cid-3ef6ksr2]{padding:.75rem 1rem}.mobile-submenu[data-astro-cid-3ef6ksr2]{margin:.5rem 0;padding:.5rem 0;border-top:1px solid var(--color-border);border-bottom:1px solid var(--color-border)}.mobile-submenu-title[data-astro-cid-3ef6ksr2]{padding:.5rem 1rem;color:var(--color-text);font-weight:700;font-size:.875rem}.submenu-item[data-astro-cid-3ef6ksr2]{padding-left:2rem!important;font-size:.9rem}.lang-switcher-mobile[data-astro-cid-3ef6ksr2]{display:flex;gap:.5rem;padding:.75rem 1rem;border-top:1px solid var(--color-border);margin-top:.5rem}.lang-btn[data-astro-cid-3ef6ksr2]{padding:.5rem 1rem;color:var(--color-text-muted);border-radius:6px;transition:background-color .2s,color .2s}.lang-btn[data-astro-cid-3ef6ksr2]:hover{background-color:var(--color-border);color:var(--color-text)}.lang-btn[data-astro-cid-3ef6ksr2].active{background-color:#4f9eff33;color:var(--color-primary)}@media(max-width:768px){.nav-desktop[data-astro-cid-3ef6ksr2],.lang-dropdown[data-astro-cid-3ef6ksr2]{display:none}.menu-toggle[data-astro-cid-3ef6ksr2]{display:block;margin-left:auto}.nav-mobile[data-astro-cid-3ef6ksr2].open{display:flex}}footer[data-astro-cid-sz7xmlte]{background-color:var(--color-bg-secondary);border-top:1px solid var(--color-border);padding:2rem 1rem;margin-top:auto}.footer-inner[data-astro-cid-sz7xmlte]{max-width:var(--max-width);margin:0 auto;text-align:center}.footer-links[data-astro-cid-sz7xmlte]{margin-bottom:1rem}.footer-links[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:var(--color-text-muted);margin:0 .5rem}.footer-links[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:var(--color-primary)}.copyright[data-astro-cid-sz7xmlte]{color:var(--color-text-muted);font-size:.875rem;margin-bottom:.5rem}.disclaimer[data-astro-cid-sz7xmlte]{color:var(--color-text-muted);font-size:.75rem;opacity:.7}:root{--color-bg: #0f0f0f;--color-bg-secondary: #1a1a1a;--color-text: #e5e5e5;--color-text-muted: #a0a0a0;--color-primary: #4f9eff;--color-accent: #ff6b4f;--color-border: #2a2a2a;--max-width: 898px;--header-height: 60px}*{margin:0;padding:0;box-sizing:border-box}html{font-family:Segoe UI,Hiragino Sans,Meiryo,sans-serif;background-color:var(--color-bg);color:var(--color-text);line-height:1.6}body{min-height:100vh;display:flex;flex-direction:column}main{flex:1;width:100%;max-width:var(--max-width);margin:0 auto;padding:2rem 1rem}a{color:var(--color-primary);text-decoration:none;transition:color .2s}a:hover{color:var(--color-accent)}img{max-width:100%;height:auto}h1,h2,h3,h4,h5,h6{line-height:1.3;margin-bottom:.5em}h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.25rem}p{margin-bottom:1em}.video-container{position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:1rem 0;border-radius:8px}.video-container iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:none}.tweet-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin:1rem 0}@media(max-width:768px){.tweet-grid{grid-template-columns:1fr}}