@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-border-style:solid}}}@layer theme{:root,:host{--font-sans:"Noto Sans JP", "Inter", system-ui, -apple-system, sans-serif;--font-serif:"Noto Serif JP", Georgia, "Yu Mincho", serif;--font-mono:"JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;--default-transition-duration:.15s;--default-transition-timing-function:cubic-bezier(.4, 0, .2, 1);--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono);--color-onyx:#0f1419;--color-ink:#1a1a1a;--color-offwhite:#fafaf7;--color-bone:#f5f5f0;--color-mist:#e5e5e0;--color-slate:#6b6b6b;--color-gold:#c9a55c;--color-gold-deep:#b08f47;--color-gold-light:#e0c589;--color-navy:#1e3a5f;--color-sage:#5c8c7e;--color-amber:#b8860b;--color-brick:#8b3a3a;--color-bg:var(--color-offwhite);--color-text:var(--color-ink);--color-text-muted:var(--color-slate);--font-display:"Playfair Display", "Noto Serif JP", Georgia, serif;--container-content:720px;--container-wide:880px;--container-grid:1200px;--shadow-soft:0 1px 3px #0f14190a;--shadow-card:0 4px 12px #0f14190f}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab,red,red)){::placeholder{color:color-mix(in oklab,currentcolor 50%,transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}:root{color-scheme:light}html{font-family:var(--font-sans);scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{background-color:var(--color-bg);color:var(--color-text);font-feature-settings:"palt" 1;line-height:1.85}h1{font-family:var(--font-serif);letter-spacing:-.01em;color:var(--color-onyx);margin-block:1em .7em;font-size:clamp(1.875rem,1.5rem + 1.5vw,2.5rem);font-weight:700;line-height:1.35}h2{font-family:var(--font-serif);letter-spacing:-.005em;border-bottom:1px solid var(--color-mist);color:var(--color-onyx);margin-block:2.5em .8em;padding-bottom:.5em;scroll-margin-top:5rem;font-size:clamp(1.5rem,1.25rem + 1vw,1.875rem);font-weight:700;line-height:1.45}h2:before{content:"";background-color:var(--color-gold);vertical-align:middle;width:.4em;height:.05em;margin-right:.6em;display:inline-block;transform:translateY(-.2em)}h3{font-family:var(--font-serif);color:var(--color-onyx);margin-block:2em .6em;scroll-margin-top:5rem;font-size:clamp(1.25rem,1.1rem + .5vw,1.5rem);font-weight:600;line-height:1.5}h4{font-family:var(--font-serif);margin-block:1.6em .5em;font-size:1.125rem;font-weight:600;line-height:1.55}p{margin-block:1.2em;line-height:1.85}a{color:var(--color-navy);text-decoration:underline;-webkit-text-decoration-color:var(--color-gold);text-decoration-color:var(--color-gold);text-underline-offset:.2em;text-decoration-thickness:1px;transition:color .15s,text-decoration-color .15s}a:hover{color:var(--color-gold-deep);-webkit-text-decoration-color:var(--color-gold-deep);text-decoration-color:var(--color-gold-deep);text-decoration-thickness:2px}strong{color:var(--color-onyx);font-weight:700}em{color:var(--color-navy);font-style:italic}ul,ol{margin-block:1.2em;padding-inline-start:1.6em}li{margin-block:.4em;line-height:1.85}ul li::marker{color:var(--color-gold)}ol li::marker{color:var(--color-gold);font-family:var(--font-display);font-weight:600}code{font-family:var(--font-mono);background-color:var(--color-bone);color:var(--color-navy);border:1px solid var(--color-mist);border-radius:4px;padding:.15em .4em;font-size:.9em}pre{background-color:var(--color-onyx);color:var(--color-offwhite);border:1px solid var(--color-mist);box-shadow:var(--shadow-card);border-radius:8px;margin-block:1.6em;padding:1.2em 1.4em;overflow-x:auto}pre code{color:inherit;background-color:#0000;border:none;padding:0;font-size:.875rem}blockquote{border-left:3px solid var(--color-gold);background-color:var(--color-bone);color:var(--color-text);margin:1.8em 0;padding:.6em 1.4em;font-style:italic}blockquote p{margin-block:.6em}table{border-collapse:collapse;background-color:var(--color-offwhite);width:100%;box-shadow:var(--shadow-soft);margin-block:1.8em;font-size:.95em}th{background-color:var(--color-onyx);color:var(--color-offwhite);font-family:var(--font-serif);text-align:left;border:none;padding:.8em 1em;font-weight:600}td{border-bottom:1px solid var(--color-mist);vertical-align:top;padding:.8em 1em}tr:nth-child(2n) td{background-color:var(--color-bone)}tr:last-child td{border-bottom:none}hr{background:linear-gradient(to right,transparent 0%,var(--color-mist) 20%,var(--color-gold) 50%,var(--color-mist) 80%,transparent 100%);border:none;height:1px;margin-block:3em}::selection{background-color:var(--color-gold);color:var(--color-onyx)}:focus-visible{outline:2px solid var(--color-gold);outline-offset:2px;border-radius:2px}img{border-radius:4px;max-width:100%;height:auto}}@layer components{.deck-divider{align-items:center;margin-block:2em;display:flex}.deck-divider:before,.deck-divider:after{content:"";background-color:var(--color-mist);flex:1;height:1px}.deck-divider span{color:var(--color-gold);font-family:var(--font-display);letter-spacing:.1em;text-transform:uppercase;padding:0 1.5em;font-size:.85em}.chapter-number{font-family:var(--font-display);color:var(--color-gold);letter-spacing:-.02em;font-weight:700;line-height:1}.eyebrow{font-family:var(--font-display);letter-spacing:.18em;text-transform:uppercase;color:var(--color-gold);margin-bottom:.8em;font-size:.75rem;font-weight:600;display:inline-block}.pillar-card{border:1px solid var(--color-mist);background-color:var(--color-offwhite);padding:2em 1.6em;transition:border-color .2s,box-shadow .2s,transform .2s;position:relative;overflow:hidden}.pillar-card:before{content:"";background-color:var(--color-gold);transform-origin:top;width:.25em;height:100%;transition:transform .3s;position:absolute;top:0;left:0;transform:scaleY(0)}.pillar-card:hover{border-color:var(--color-gold);box-shadow:var(--shadow-card)}.pillar-card:hover:before{transform:scaleY(1)}}@layer utilities{.flex{display:flex}.flex-shrink{flex-shrink:1}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.flex-wrap{flex-wrap:wrap}.border{border-style:var(--tw-border-style);border-width:1px}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}.site-header[data-astro-cid-qlfjksao]{position:sticky;top:0;z-index:50;background-color:var(--color-onyx);color:var(--color-offwhite);border-bottom:1px solid rgba(255,255,255,.06)}.header-inner[data-astro-cid-qlfjksao]{max-width:var(--container-grid);margin:0 auto;padding:1rem 1.25rem;display:flex;align-items:center;gap:2.5rem}.logo[data-astro-cid-qlfjksao]{display:flex;align-items:center;gap:.65rem;color:inherit;text-decoration:none}.logo[data-astro-cid-qlfjksao]:hover{color:var(--color-gold-light)}.logo-mark[data-astro-cid-qlfjksao]{color:var(--color-offwhite);display:inline-flex;align-items:center}.logo-text[data-astro-cid-qlfjksao]{display:flex;flex-direction:column;line-height:1.1}.logo-en[data-astro-cid-qlfjksao]{font-family:var(--font-display);font-weight:700;font-size:.9rem;letter-spacing:.18em;color:var(--color-gold)}.logo-ja[data-astro-cid-qlfjksao]{font-family:var(--font-serif);font-weight:600;font-size:.7rem;letter-spacing:.05em;color:var(--color-offwhite);margin-top:.1em}.primary-nav[data-astro-cid-qlfjksao]{flex:1;display:none}.primary-nav[data-astro-cid-qlfjksao] ul[data-astro-cid-qlfjksao]{display:flex;gap:1.6rem;list-style:none;padding:0;margin:0}.primary-nav[data-astro-cid-qlfjksao] a[data-astro-cid-qlfjksao]{color:var(--color-offwhite);text-decoration:none;font-size:.875rem;font-weight:500;transition:color .15s ease;position:relative;padding:.4em 0}.primary-nav[data-astro-cid-qlfjksao] a[data-astro-cid-qlfjksao]:hover{color:var(--color-gold)}.primary-nav[data-astro-cid-qlfjksao] a[data-astro-cid-qlfjksao]:after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background-color:var(--color-gold);transition:width .2s ease}.primary-nav[data-astro-cid-qlfjksao] a[data-astro-cid-qlfjksao]:hover:after{width:100%}.search-link[data-astro-cid-qlfjksao]{color:var(--color-offwhite);display:inline-flex;align-items:center;justify-content:center;width:2.25rem;height:2.25rem;border:1px solid rgba(255,255,255,.2);border-radius:999px;transition:border-color .15s ease,color .15s ease}.search-link[data-astro-cid-qlfjksao]:hover{border-color:var(--color-gold);color:var(--color-gold)}@media(min-width:1024px){.primary-nav[data-astro-cid-qlfjksao]{display:block}}.site-footer[data-astro-cid-35ed7um5]{background-color:var(--color-onyx);color:var(--color-offwhite);margin-top:6rem;border-top:1px solid var(--color-gold)}.footer-inner[data-astro-cid-35ed7um5]{max-width:var(--container-grid);margin:0 auto;padding:4rem 1.25rem 2.5rem;display:grid;grid-template-columns:1fr;gap:3rem}@media(min-width:768px){.footer-inner[data-astro-cid-35ed7um5]{grid-template-columns:1fr 2fr}}.footer-brand[data-astro-cid-35ed7um5] p[data-astro-cid-35ed7um5]{margin:0;line-height:1.5}.brand-en[data-astro-cid-35ed7um5]{font-family:var(--font-display);font-weight:700;font-size:.875rem;letter-spacing:.18em;color:var(--color-gold)}.brand-ja[data-astro-cid-35ed7um5]{font-family:var(--font-serif);font-weight:700;font-size:1.125rem;margin-top:.4em!important;color:var(--color-offwhite)}.brand-tagline[data-astro-cid-35ed7um5]{margin-top:.8em!important;font-size:.85rem;color:#fafaf7b3;line-height:1.7}.footer-links[data-astro-cid-35ed7um5]{display:grid;grid-template-columns:1fr 1fr;gap:2rem}.footer-section[data-astro-cid-35ed7um5] h3[data-astro-cid-35ed7um5]{font-family:var(--font-display);font-size:.75rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--color-gold);margin-bottom:1em;padding-bottom:.6em;border-bottom:1px solid rgba(201,165,92,.3)}.footer-section[data-astro-cid-35ed7um5] ul[data-astro-cid-35ed7um5]{list-style:none;padding:0;margin:0}.footer-section[data-astro-cid-35ed7um5] li[data-astro-cid-35ed7um5]{margin-block:.5em}.footer-section[data-astro-cid-35ed7um5] a[data-astro-cid-35ed7um5]{color:#fafaf7d9;text-decoration:none;font-size:.875rem;transition:color .15s ease}.footer-section[data-astro-cid-35ed7um5] a[data-astro-cid-35ed7um5]:hover{color:var(--color-gold)}.footer-bottom[data-astro-cid-35ed7um5]{border-top:1px solid rgba(255,255,255,.08);max-width:var(--container-grid);margin:0 auto;padding:1.5rem 1.25rem 2rem;font-size:.8rem;color:#fafaf780;text-align:center}.footer-bottom[data-astro-cid-35ed7um5] p[data-astro-cid-35ed7um5]{margin:.4em 0}.footer-bottom[data-astro-cid-35ed7um5] .meta[data-astro-cid-35ed7um5]{font-size:.72rem;color:#fafaf759}.skip-link[data-astro-cid-37fxchfa]{position:absolute;top:-100px;left:0;padding:.5rem 1rem;background-color:var(--color-gold);color:var(--color-onyx);text-decoration:none;z-index:100}.skip-link[data-astro-cid-37fxchfa]:focus{top:0}