:root{--color-primary:#1e3a5f;--color-primary-hover:#2a4a73;--color-text:#333;--color-text-light:#666;--color-text-muted:#999;--color-background:#fff;--color-background-gray:#f5f5f5;--color-border:#e5e5e5;--color-footer-bg:#1a1a1a;--color-footer-text:#fff;--font-family-base:var(--font-noto-sans-jp),"Noto Sans JP",sans-serif;--font-size-xs:12px;--font-size-sm:14px;--font-size-base:16px;--font-size-lg:18px;--font-size-xl:20px;--font-size-2xl:24px;--font-size-3xl:32px;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:16px;--spacing-lg:24px;--spacing-xl:32px;--spacing-2xl:48px;--spacing-3xl:64px;--max-width:1200px;--header-height:81px;--transition-fast:.15s ease;--transition-normal:.2s ease;--transition-smooth:.3s cubic-bezier(.4,0,.2,1);--shadow-sm:0 1px 2px #0000000d;--shadow-md:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d;--shadow-xl:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a;--shadow-card:0 2px 8px #00000014;--shadow-card-hover:0 8px 24px #0000001f;--border-radius-sm:4px;--border-radius-md:8px;--border-radius-lg:12px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{font-family:var(--font-family-base);font-size:var(--font-size-base);color:var(--color-text);background-color:var(--color-background);line-height:1.6}body.first-visit:before{content:"";z-index:9998;background-color:var(--color-primary);pointer-events:none;transition:opacity .3s,visibility .3s;position:fixed;inset:0}body.first-visit.loading-ready:before{opacity:0;visibility:hidden}a{color:inherit;transition:opacity var(--transition-fast);text-decoration:none}a:hover{opacity:.9}img{vertical-align:middle;max-width:100%;height:auto}ul,ol{list-style:none}button{font-family:inherit;font-size:inherit;color:inherit;cursor:pointer;background:0 0;border:none}input,textarea{font-family:inherit;font-size:inherit}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.4}.visually-hidden{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (max-width:768px){:root{--header-height:64px}}