.header[data-astro-cid-3ef6ksr2]{position:fixed;top:0;left:0;right:0;z-index:50;height:var(--header-height);background-color:#fffffff2;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--color-border)}.header__inner[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;height:100%;gap:2rem}.header__logo[data-astro-cid-3ef6ksr2]{font-size:var(--font-size-lg);font-weight:700;color:var(--color-text);text-decoration:none;white-space:nowrap;flex-shrink:0}.header__logo[data-astro-cid-3ef6ksr2]:hover{color:var(--color-accent)}.header__nav[data-astro-cid-3ef6ksr2]{display:none;margin-left:auto}.header__nav-list[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:1.5rem}.header__nav-link[data-astro-cid-3ef6ksr2]{font-size:var(--font-size-sm);font-weight:400;color:var(--color-text-secondary);text-decoration:none;white-space:nowrap;transition:color var(--transition)}.header__nav-link[data-astro-cid-3ef6ksr2]:hover{color:var(--color-accent)}.header__cta[data-astro-cid-3ef6ksr2]{display:none;padding:.5rem 1.25rem;font-size:var(--font-size-sm);flex-shrink:0}.header__menu-toggle[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;margin-left:auto;background:none;border:none;cursor:pointer;padding:0}.header__menu-icon[data-astro-cid-3ef6ksr2],.header__menu-icon[data-astro-cid-3ef6ksr2]:before,.header__menu-icon[data-astro-cid-3ef6ksr2]:after{display:block;width:1.25rem;height:2px;background-color:var(--color-text);border-radius:1px;transition:all .25s ease;position:relative}.header__menu-icon[data-astro-cid-3ef6ksr2]:before,.header__menu-icon[data-astro-cid-3ef6ksr2]:after{content:"";position:absolute;left:0}.header__menu-icon[data-astro-cid-3ef6ksr2]:before{top:-6px}.header__menu-icon[data-astro-cid-3ef6ksr2]:after{top:6px}.header__menu-toggle[data-astro-cid-3ef6ksr2][aria-expanded=true] .header__menu-icon[data-astro-cid-3ef6ksr2]{background-color:transparent}.header__menu-toggle[data-astro-cid-3ef6ksr2][aria-expanded=true] .header__menu-icon[data-astro-cid-3ef6ksr2]:before{top:0;transform:rotate(45deg)}.header__menu-toggle[data-astro-cid-3ef6ksr2][aria-expanded=true] .header__menu-icon[data-astro-cid-3ef6ksr2]:after{top:0;transform:rotate(-45deg)}.header__nav[data-astro-cid-3ef6ksr2].is-open{display:flex;position:fixed;top:var(--header-height);left:0;right:0;bottom:0;background-color:var(--color-white);padding:2rem var(--container-px);z-index:49}.header__nav[data-astro-cid-3ef6ksr2].is-open .header__nav-list[data-astro-cid-3ef6ksr2]{flex-direction:column;align-items:flex-start;gap:0;width:100%}.header__nav[data-astro-cid-3ef6ksr2].is-open .header__nav-link[data-astro-cid-3ef6ksr2]{display:block;padding:1rem 0;font-size:var(--font-size-lg);color:var(--color-text);border-bottom:1px solid var(--color-border);width:100%}@media(min-width:768px){.header__nav[data-astro-cid-3ef6ksr2]{display:flex}.header__cta[data-astro-cid-3ef6ksr2]{display:inline-flex}.header__menu-toggle[data-astro-cid-3ef6ksr2]{display:none}}.footer[data-astro-cid-sz7xmlte]{background-color:var(--color-text);color:var(--color-text-tertiary);padding:4rem 0 2rem}.footer__grid[data-astro-cid-sz7xmlte]{display:grid;gap:2.5rem}.footer__brand[data-astro-cid-sz7xmlte]{max-width:320px}.footer__logo[data-astro-cid-sz7xmlte]{font-size:var(--font-size-lg);font-weight:700;color:var(--color-white);text-decoration:none}.footer__logo[data-astro-cid-sz7xmlte]:hover{color:var(--color-white);opacity:.8}.footer__description[data-astro-cid-sz7xmlte]{margin-top:1rem;font-size:var(--font-size-sm);line-height:1.7;color:var(--color-text-tertiary)}.footer__nav-title[data-astro-cid-sz7xmlte]{font-size:var(--font-size-sm);font-weight:700;color:var(--color-white);margin-bottom:1rem}.footer__nav-list[data-astro-cid-sz7xmlte]{display:flex;flex-direction:column;gap:.5rem}.footer__nav-link[data-astro-cid-sz7xmlte]{font-size:var(--font-size-sm);color:var(--color-text-tertiary);text-decoration:none;transition:color var(--transition)}.footer__nav-link[data-astro-cid-sz7xmlte]:hover{color:var(--color-white)}.footer__bottom[data-astro-cid-sz7xmlte]{margin-top:3rem;padding-top:2rem;border-top:1px solid rgba(255,255,255,.1)}.footer__copyright[data-astro-cid-sz7xmlte]{font-size:var(--font-size-xs);text-align:center}@media(min-width:768px){.footer__grid[data-astro-cid-sz7xmlte]{grid-template-columns:1.5fr repeat(3,1fr)}}:root{--chabit-color-brand-primary: #333cd3;--chabit-color-brand-secondary: #1d1fa6;--chabit-color-brand-accent: #d5c800;--chabit-color-brand-accent-dark: #a89200;--chabit-color-primary-50: #f0f0fd;--chabit-color-primary-100: #dddef9;--chabit-color-primary-200: #b8baf4;--chabit-color-primary-300: #9496ed;--chabit-color-primary-400: #6366e0;--chabit-color-primary-500: #333cd3;--chabit-color-primary-600: #2b32b8;--chabit-color-primary-700: #22289e;--chabit-color-primary-800: #1a1f84;--chabit-color-primary-900: #12156a;--chabit-color-secondary-50: #ededfa;--chabit-color-secondary-100: #d5d5f2;--chabit-color-secondary-200: #ababde;--chabit-color-secondary-300: #8182ca;--chabit-color-secondary-400: #5758b6;--chabit-color-secondary-500: #1d1fa6;--chabit-color-secondary-600: #181a8c;--chabit-color-secondary-700: #131572;--chabit-color-secondary-800: #0e1058;--chabit-color-secondary-900: #090b3e;--chabit-color-accent-50: #fdfce8;--chabit-color-accent-100: #faf6c2;--chabit-color-accent-200: #f5ed85;--chabit-color-accent-300: #ede040;--chabit-color-accent-400: #e1d41a;--chabit-color-accent-500: #d5c800;--chabit-color-accent-600: #a89200;--chabit-color-accent-700: #7f6e00;--chabit-color-accent-800: #574c00;--chabit-color-accent-900: #2f2900;--chabit-color-neutral-0: #ffffff;--chabit-color-neutral-50: #f8f8fc;--chabit-color-neutral-100: #f0f0fa;--chabit-color-neutral-200: #e4e4f0;--chabit-color-neutral-300: #d0d0e8;--chabit-color-neutral-400: #b8b8d4;--chabit-color-neutral-500: #8c8fe3;--chabit-color-neutral-600: #5a5a7a;--chabit-color-neutral-700: #3a3a5e;--chabit-color-neutral-800: #2a2a46;--chabit-color-neutral-900: #1a1a2e;--chabit-color-neutral-1000: #0a0a1a;--chabit-color-success-light: #D4EDDA;--chabit-color-success: #28A745;--chabit-color-success-dark: #1E7E34;--chabit-color-error-light: #F8D7DA;--chabit-color-error: #DC3545;--chabit-color-error-dark: #BD2130;--chabit-color-warning-light: #FFF3CD;--chabit-color-warning: #FFC107;--chabit-color-warning-dark: #E0A800;--chabit-color-info-light: #f0f0fd;--chabit-color-info: #333cd3;--chabit-color-info-dark: #1d1fa6;--chabit-color-text-primary: #1a1a2e;--chabit-color-text-secondary: #5a5a7a;--chabit-color-text-tertiary: #8c8fe3;--chabit-color-text-disabled: #b8b8d4;--chabit-color-text-inverse: #ffffff;--chabit-color-text-link: #333cd3;--chabit-color-bg-primary: #ffffff;--chabit-color-bg-secondary: #f0f0fa;--chabit-color-bg-tertiary: #e4e4f0;--chabit-color-bg-inverse: #1a1a2e;--chabit-color-border-light: #e4e4f0;--chabit-color-border-default: #d0d0e8;--chabit-color-border-strong: #8c8fe3;--chabit-color-border-focus: #333cd3;--chabit-color-border-error: #DC3545;--chabit-color-link: #333cd3;--chabit-color-link-hover: #1d1fa6;--chabit-color-link-visited: #6a3ebd;--chabit-font-sans: "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;--chabit-font-mono: "Noto Sans Mono", "SF Mono", "Fira Code", "Fira Mono", Menlo, monospace;--chabit-font-weight-normal: 400;--chabit-font-weight-bold: 700;--chabit-font-size-xs: 12px;--chabit-font-size-sm: 14px;--chabit-font-size-md: 16px;--chabit-font-size-lg: 18px;--chabit-font-size-xl: 20px;--chabit-font-size-2xl: 24px;--chabit-font-size-3xl: 30px;--chabit-font-size-4xl: 36px;--chabit-font-size-5xl: 48px;--chabit-font-size-6xl: 64px;--chabit-line-height-none: 1;--chabit-line-height-tight: 1.2;--chabit-line-height-snug: 1.3;--chabit-line-height-normal: 1.5;--chabit-line-height-relaxed: 1.6;--chabit-line-height-loose: 1.75;--chabit-space-0: 0px;--chabit-space-0-5: 2px;--chabit-space-1: 4px;--chabit-space-2: 8px;--chabit-space-3: 12px;--chabit-space-4: 16px;--chabit-space-5: 20px;--chabit-space-6: 24px;--chabit-space-8: 32px;--chabit-space-10: 40px;--chabit-space-12: 48px;--chabit-space-16: 64px;--chabit-space-20: 80px;--chabit-space-24: 96px;--chabit-shadow-sm: 0 1px 2px 0 rgba(26, 26, 46, .06);--chabit-shadow-md: 0 4px 6px -1px rgba(26, 26, 46, .1), 0 2px 4px -2px rgba(26, 26, 46, .08);--chabit-shadow-lg: 0 10px 15px -3px rgba(26, 26, 46, .1), 0 4px 6px -4px rgba(26, 26, 46, .08);--chabit-shadow-xl: 0 20px 25px -5px rgba(26, 26, 46, .1), 0 8px 10px -6px rgba(26, 26, 46, .08);--chabit-radius-none: 0;--chabit-radius-sm: 4px;--chabit-radius-md: 8px;--chabit-radius-lg: 12px;--chabit-radius-xl: 16px;--chabit-radius-full: 9999px;--chabit-duration-fast: .1s;--chabit-duration-normal: .2s;--chabit-duration-slow: .3s;--chabit-easing: cubic-bezier(.4, 0, .2, 1);--chabit-z-dropdown: 100;--chabit-z-sticky: 200;--chabit-z-fixed: 300;--chabit-z-drawer: 400;--chabit-z-modal: 500;--chabit-z-popover: 600;--chabit-z-tooltip: 700;--chabit-z-toast: 800;--chabit-breakpoint-sm: 640px;--chabit-breakpoint-md: 768px;--chabit-breakpoint-lg: 1024px;--chabit-breakpoint-xl: 1280px}[data-color-mode=dark]{--chabit-color-text-primary: #f0f0fa;--chabit-color-text-secondary: #b8b8d4;--chabit-color-text-tertiary: #8c8fe3;--chabit-color-text-disabled: #5a5a7a;--chabit-color-text-inverse: #1a1a2e;--chabit-color-text-link: #6b74e8;--chabit-color-bg-primary: #1a1a2e;--chabit-color-bg-secondary: #2a2a46;--chabit-color-bg-tertiary: #3a3a5e;--chabit-color-bg-inverse: #f0f0fa;--chabit-color-border-light: #3a3a5e;--chabit-color-border-default: #5a5a7a;--chabit-color-border-strong: #8c8fe3;--chabit-color-border-focus: #6b74e8;--chabit-color-border-error: #f07080;--chabit-color-link: #6b74e8;--chabit-color-link-hover: #9496ed;--chabit-color-link-visited: #9b7de0;--chabit-color-success-light: #1a3d25;--chabit-color-success: #4ccd6b;--chabit-color-success-dark: #6de08a;--chabit-color-error-light: #3d1a1e;--chabit-color-error: #f07080;--chabit-color-error-dark: #f59099;--chabit-color-warning-light: #3d3000;--chabit-color-warning: #ffd454;--chabit-color-warning-dark: #ffe080;--chabit-color-info-light: #1a1a3d;--chabit-color-info: #6b74e8;--chabit-color-info-dark: #9496ed;--chabit-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .3);--chabit-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4), 0 2px 4px -2px rgba(0, 0, 0, .3);--chabit-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .4), 0 4px 6px -4px rgba(0, 0, 0, .3);--chabit-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .4), 0 8px 10px -6px rgba(0, 0, 0, .3)}@media(prefers-color-scheme:dark){[data-color-mode=system]{--chabit-color-text-primary: #f0f0fa;--chabit-color-text-secondary: #b8b8d4;--chabit-color-text-tertiary: #8c8fe3;--chabit-color-text-disabled: #5a5a7a;--chabit-color-text-inverse: #1a1a2e;--chabit-color-text-link: #6b74e8;--chabit-color-bg-primary: #1a1a2e;--chabit-color-bg-secondary: #2a2a46;--chabit-color-bg-tertiary: #3a3a5e;--chabit-color-bg-inverse: #f0f0fa;--chabit-color-border-light: #3a3a5e;--chabit-color-border-default: #5a5a7a;--chabit-color-border-strong: #8c8fe3;--chabit-color-border-focus: #6b74e8;--chabit-color-border-error: #f07080;--chabit-color-link: #6b74e8;--chabit-color-link-hover: #9496ed;--chabit-color-link-visited: #9b7de0;--chabit-color-success-light: #1a3d25;--chabit-color-success: #4ccd6b;--chabit-color-success-dark: #6de08a;--chabit-color-error-light: #3d1a1e;--chabit-color-error: #f07080;--chabit-color-error-dark: #f59099;--chabit-color-warning-light: #3d3000;--chabit-color-warning: #ffd454;--chabit-color-warning-dark: #ffe080;--chabit-color-info-light: #1a1a3d;--chabit-color-info: #6b74e8;--chabit-color-info-dark: #9496ed;--chabit-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .3);--chabit-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4), 0 2px 4px -2px rgba(0, 0, 0, .3);--chabit-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .4), 0 4px 6px -4px rgba(0, 0, 0, .3);--chabit-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .4), 0 8px 10px -6px rgba(0, 0, 0, .3)}}:root{--color-white: var(--chabit-color-neutral-0);--color-bg: var(--chabit-color-neutral-50);--color-bg-alt: var(--chabit-color-neutral-100);--color-text: var(--chabit-color-text-primary);--color-text-secondary: var(--chabit-color-text-secondary);--color-text-tertiary: var(--chabit-color-neutral-400);--color-border: var(--chabit-color-border-default);--color-border-light: var(--chabit-color-border-light);--color-accent: var(--chabit-color-brand-primary);--color-accent-hover: var(--chabit-color-brand-secondary);--color-accent-light: var(--chabit-color-secondary-50);--color-accent-text: var(--chabit-color-text-inverse);--font-family: var(--chabit-font-sans);--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--font-size-4xl: 2.25rem;--font-size-5xl: 3rem;--section-py: 5rem;--container-max: 1200px;--container-px: 1.5rem;--shadow-sm: var(--chabit-shadow-sm);--shadow: var(--chabit-shadow-sm);--shadow-md: var(--chabit-shadow-md);--shadow-lg: var(--chabit-shadow-lg);--radius-sm: var(--chabit-radius-sm);--radius: var(--chabit-radius-md);--radius-lg: var(--chabit-radius-lg);--radius-xl: var(--chabit-radius-xl);--transition: var(--chabit-duration-normal) var(--chabit-easing);--header-height: 4rem}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-family);font-size:var(--font-size-base);line-height:1.8;color:var(--color-text);background-color:var(--color-white);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}img,svg{display:block;max-width:100%;height:auto}a{color:var(--color-accent);text-decoration:none;transition:color var(--transition)}a:hover{color:var(--color-accent-hover)}ul,ol{list-style:none}h1,h2,h3,h4,h5,h6{line-height:1.4;font-weight:700}.container{width:100%;max-width:var(--container-max);margin:0 auto;padding:0 var(--container-px)}.section{padding:var(--section-py) 0}.section--alt{background-color:var(--color-bg)}.section--accent-light{background-color:var(--color-accent-light)}.section-header{text-align:center;margin-bottom:3rem}.section-label{display:inline-block;font-size:var(--font-size-sm);font-weight:400;color:var(--color-accent);letter-spacing:.05em;text-transform:uppercase;margin-bottom:.5rem}.section-title{font-size:var(--font-size-3xl);color:var(--color-text)}.section-subtitle{font-size:var(--font-size-lg);color:var(--color-text-secondary);margin-top:.75rem;font-weight:400}@media(min-width:768px){.section-title{font-size:var(--font-size-4xl)}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.875rem 2rem;font-size:var(--font-size-base);font-weight:700;font-family:var(--font-family);border-radius:var(--radius);border:2px solid transparent;cursor:pointer;transition:all var(--transition);text-decoration:none;line-height:1.4}.btn:hover{transform:translateY(-1px)}.btn--primary{background-color:var(--color-accent);color:var(--color-accent-text);border-color:var(--color-accent)}.btn--primary:hover{background-color:var(--color-accent-hover);border-color:var(--color-accent-hover);color:var(--color-accent-text)}.btn--secondary{background-color:transparent;color:var(--color-accent);border-color:var(--color-accent)}.btn--secondary:hover{background-color:var(--color-accent);color:var(--color-accent-text)}.btn--large{padding:1rem 2.5rem;font-size:var(--font-size-lg)}.btn--white{background-color:var(--color-white);color:var(--color-accent);border-color:var(--color-white)}.btn--white:hover{background-color:var(--color-bg);border-color:var(--color-bg);color:var(--color-accent-hover)}.card{background-color:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:2rem;transition:box-shadow var(--transition)}.card:hover{box-shadow:var(--shadow-md)}.card-title{font-size:var(--font-size-xl);font-weight:700;margin-bottom:.75rem}.card-text{color:var(--color-text-secondary);font-size:var(--font-size-sm);line-height:1.7}.grid-2,.grid-3,.grid-4{display:grid;gap:1.5rem}@media(min-width:768px){.grid-2,.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);gap:2rem}}@media(min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}}section[id]{scroll-margin-top:calc(var(--header-height) + 1rem)}.mobile-cta{display:none}@media(max-width:767px){.mobile-cta{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:40;padding:.75rem var(--container-px);background-color:var(--color-white);border-top:1px solid var(--color-border);box-shadow:0 -2px 10px #00000014}.mobile-cta .btn{width:100%}body{padding-bottom:4.5rem}}.breadcrumb{margin-top:var(--header-height);padding:.75rem 0;background-color:var(--color-bg);border-bottom:1px solid var(--color-border)}.breadcrumb__list{display:flex;align-items:center;gap:.5rem;max-width:var(--container-max);margin:0 auto;padding:0 var(--container-px);font-size:var(--font-size-sm)}.breadcrumb__item{display:flex;align-items:center;gap:.5rem}.breadcrumb__item:not(:last-child):after{content:">";color:var(--color-text-tertiary);font-size:var(--font-size-xs)}.breadcrumb__link{color:var(--color-text-secondary);text-decoration:none}.breadcrumb__link:hover{color:var(--color-accent)}.breadcrumb__current{color:var(--color-text);font-weight:400}.breadcrumb+.page-header{margin-top:0}.page-header{padding:3rem 0;background-color:var(--color-bg);border-bottom:1px solid var(--color-border);margin-top:var(--header-height)}.page-header__title{font-size:var(--font-size-3xl);margin-bottom:.5rem}.page-header__description{color:var(--color-text-secondary);font-size:var(--font-size-lg)}@media(min-width:768px){.page-header{padding:4rem 0}.page-header__title{font-size:var(--font-size-4xl)}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.text-center{text-align:center}.text-accent{color:var(--color-accent)}