:root{--color-primary: #3d5a6c;--color-primary-dark: #2f3e4e;--color-accent-gold: #c9a86c;--color-accent-red: #e11a14;--color-white: #ffffff;--color-black: #000000;--color-gray-900: #2f2e2e;--color-gray-700: #605e5e;--color-gray-500: #a0a09f;--color-gray-300: #b0b0b0;--color-gray-100: #f5f5f5;--color-bg-light: #e0e4e7;--color-bg-light-alt: #eaeef1;--font-primary: "LINE Seed JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", sans-serif;--font-serif: "LINE Seed JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", sans-serif;--space-xs: .5rem;--space-sm: 1rem;--space-md: 1.5rem;--space-lg: 2rem;--space-xl: 3rem;--space-2xl: 4rem;--space-3xl: 6rem;--container-max: 1200px;--container-padding: 1.5rem;--header-height: 80px;--transition-fast: .2s ease;--transition-normal: .3s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-primary);font-size:1.1rem;line-height:1.7;color:var(--color-gray-900);background-color:var(--color-white);-webkit-font-smoothing:antialiased}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}ul,ol{list-style:none}button{font-family:inherit;cursor:pointer;border:none;background:none}h1,h2,h3,h4,h5,h6{font-family:var(--font-serif);font-weight:400;line-height:1.4}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}h4{font-size:1.25rem}h5{font-size:1.125rem}h6{font-size:1.1rem}p{margin-bottom:var(--space-sm)}.container{max-width:var(--container-max);margin:0 auto;padding:0 var(--container-padding)}.section{padding:var(--space-3xl) 0}.text-center{text-align:center}.text-white{color:var(--color-white)}.bg-dark{background-color:var(--color-primary-dark)}.bg-primary{background-color:var(--color-primary)}@media(max-width:600px){:root{--header-height: 60px}h1{font-size:1.75rem}h2{font-size:1.5rem}h3{font-size:1.25rem}}@media(max-width:600px){.nav{display:flex!important;position:fixed;top:var(--header-height);left:10%;right:0;bottom:0;background:#ffffffb3;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);flex-direction:column;padding:var(--space-xl) var(--container-padding);transform:translate(100%);transition:transform .3s ease;z-index:99;overflow-y:auto;border-bottom-left-radius:16px}.nav.is-open{transform:translate(0)}.nav-list{flex-direction:column;gap:0}.nav-item{border-bottom:1px solid var(--color-gray-100)}.nav-link{display:block;padding:var(--space-md) 0;font-size:1rem}.menu-toggle.is-open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.menu-toggle.is-open span:nth-child(2){opacity:0}.menu-toggle.is-open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}}.header[data-astro-cid-3ef6ksr2]{position:sticky;top:0;z-index:100;background:#f8faff;border-bottom:1px solid var(--color-gray-100)}.header-inner[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;justify-content:space-between;max-width:var(--container-max);margin:0 auto;padding:0 var(--container-padding);height:var(--header-height)}.logo[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;color:var(--color-gray-900)}.logo-svg[data-astro-cid-3ef6ksr2]{width:60px;height:auto;position:relative;top:2px}.logo-text[data-astro-cid-3ef6ksr2]{font-family:Plus Jakarta Sans,sans-serif;font-size:.8rem;font-weight:700;color:var(--color-black);margin-left:12px;letter-spacing:.05em;position:relative;top:-4px}@media(max-width:768px){.logo-text[data-astro-cid-3ef6ksr2]{display:none}}.nav-list[data-astro-cid-3ef6ksr2]{display:flex;gap:var(--space-lg)}.nav-link[data-astro-cid-3ef6ksr2]{font-size:.9375rem;font-weight:700;color:var(--color-gray-700);transition:color var(--transition-fast);padding:var(--space-xs) 0;position:relative}.nav-link[data-astro-cid-3ef6ksr2]:hover,.nav-link[data-astro-cid-3ef6ksr2].active{color:var(--color-gray-900)}.nav-link[data-astro-cid-3ef6ksr2]:after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--color-primary);transition:width var(--transition-fast)}.nav-link[data-astro-cid-3ef6ksr2]:hover:after,.nav-link[data-astro-cid-3ef6ksr2].active:after{width:100%}.menu-toggle[data-astro-cid-3ef6ksr2]{display:none;flex-direction:column;gap:5px;padding:var(--space-xs)}.menu-toggle[data-astro-cid-3ef6ksr2] span[data-astro-cid-3ef6ksr2]{display:block;width:24px;height:2px;background:var(--color-gray-900);transition:var(--transition-fast)}@media(max-width:600px){.nav[data-astro-cid-3ef6ksr2]{display:none}.menu-toggle[data-astro-cid-3ef6ksr2]{display:flex}}.footer[data-astro-cid-sz7xmlte]{position:fixed;bottom:0;left:0;right:0;background:#02050c;color:#8688a5;padding:var(--space-md) 0;z-index:100}.footer-inner[data-astro-cid-sz7xmlte]{max-width:var(--container-max);margin:0 auto;padding:0 var(--container-padding);text-align:center}.copyright[data-astro-cid-sz7xmlte]{font-size:.875rem;font-weight:200;margin:0}@media(max-width:600px){.footer[data-astro-cid-sz7xmlte]{padding:calc(var(--space-md) * .75) 0}.copyright[data-astro-cid-sz7xmlte]{font-size:.75rem}}