:root{--breakpoint-mobile: 320px;--breakpoint-tablet: 768px;--breakpoint-desktop: 1024px;--font-size-xs: 12px;--font-size-sm: 14px;--font-size-base: 16px;--font-size-lg: 18px;--font-size-xl: 22px;--font-size-2xl: 28px;--font-size-3xl: 36px;--font-size-4xl: 48px;--font-size-5xl: 56px;--line-height-tight: 1.45;--line-height-normal: 1.7;--line-height-relaxed: 1.9;--font-family-sans: "Hiragino Sans", "Yu Gothic", "BIZ UDPGothic", "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", sans-serif;--font-family-serif: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "BIZ UDPMincho", "Noto Serif JP", serif;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--letter-spacing-tight: 0;--letter-spacing-normal: .04em;--letter-spacing-wide: .08em;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--space-20: 5rem;--touch-target-min: 44px;--cta-bar-height: 60px;--color-text-primary: #1b1d1c;--color-text-secondary: #565a57;--color-text-muted: #676b67;--color-background: #ffffff;--color-background-subtle: #f5f5f3;--color-background-muted: #ecedea;--color-accent: #1b1d1c;--color-accent-dark: #000000;--color-accent-light: #9a9d99;--color-border-light: #e3e4e1;--color-border: #c9cbc7;--color-border-input: #8a8d89;--color-error: #b3261e;--color-night: #000000;--color-seal: #a83a2c;--color-line: #087b39;--color-line-dark: #05632d;--border-radius-sm: 2px;--border-radius-md: 2px;--border-radius-lg: 2px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1)}@media(min-width:768px){:root{--cta-bar-height: 0px}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:var(--font-size-base);scroll-behavior:smooth;scroll-padding-top:var(--space-4);-webkit-text-size-adjust:100%}body{font-family:var(--font-family-serif);line-height:var(--line-height-relaxed);letter-spacing:var(--letter-spacing-normal);color:var(--color-text-primary);background-color:var(--color-background);line-break:strict;overflow-wrap:anywhere;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-family:var(--font-family-serif);line-height:var(--line-height-tight);font-weight:var(--font-weight-medium);color:var(--color-text-primary);letter-spacing:var(--letter-spacing-wide);font-feature-settings:"palt";word-break:auto-phrase;text-wrap:balance}h1{font-size:var(--font-size-2xl);margin-bottom:var(--space-6)}h2{font-size:1.625rem;margin-bottom:var(--space-5)}h3{font-size:var(--font-size-xl);margin-bottom:var(--space-4)}h4{font-size:var(--font-size-lg);margin-bottom:var(--space-3)}p{margin-bottom:var(--space-4);line-height:var(--line-height-relaxed)}@media(min-width:768px){h1{font-size:var(--font-size-3xl)}h2{font-size:2rem}h3{font-size:1.5rem}h4{font-size:var(--font-size-xl)}}.container{width:100%;max-width:1280px;margin-left:auto;margin-right:auto;padding-left:var(--space-4);padding-right:var(--space-4)}@media(min-width:768px){.container{padding-left:var(--space-6);padding-right:var(--space-6)}}@media(min-width:1024px){.container{padding-left:var(--space-8);padding-right:var(--space-8)}}.section-title{margin:0}@media(min-width:1024px){.section-split{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);column-gap:var(--space-16);align-items:start}.section-split__head{position:sticky;top:var(--space-10)}.section-split__head .section-title{font-size:1.75rem}}button,a{cursor:pointer;transition:color .2s ease,background-color .2s ease,border-color .2s ease,opacity .2s ease}a{color:inherit;text-underline-offset:.25em;text-decoration-thickness:1px}button,.button{min-height:48px;min-width:var(--touch-target-min);padding:var(--space-3) var(--space-8);font-family:var(--font-family-serif);font-size:var(--font-size-base);font-weight:var(--font-weight-medium);line-height:var(--line-height-normal);letter-spacing:.12em;border:1px solid var(--color-accent);border-radius:var(--border-radius-sm);background-color:transparent;color:var(--color-accent);text-decoration:none;display:inline-flex;align-items:center;justify-content:center;text-align:center}button:hover,.button:hover{background-color:var(--color-accent);border-color:var(--color-accent);color:#fff}.button--primary{background-color:var(--color-accent);color:#fff}.button--primary:hover{background-color:#3a3d3b;border-color:#3a3d3b}:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}.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}.mt-4{margin-top:var(--space-4)}.mt-6{margin-top:var(--space-6)}.mt-8{margin-top:var(--space-8)}.mb-4{margin-bottom:var(--space-4)}.mb-6{margin-bottom:var(--space-6)}.mb-8{margin-bottom:var(--space-8)}