@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;--tw-outline-style:solid}}}@layer theme{:root,:host{--font-sans:"IBM Plex Sans JP", "Hiragino Sans", "Noto Sans JP", sans-serif;--font-serif:"Source Serif 4", "Noto Serif JP", "Yu Mincho", serif;--font-mono:"JetBrains Mono", "IBM Plex Mono", "Sarasa Mono J", ui-monospace, monospace;--spacing:.25rem;--container-5xl:64rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono);--font-display:"Bodoni Moda", "Playfair Display", "Times New Roman", serif;--font-display-jp:"Shippori Mincho B1", "Hiragino Mincho ProN", "Yu Mincho", serif;--color-paper:#f2efe6;--color-paper-dim:#ebe6d8;--color-paper-deep:#e2dccb;--color-ink:#1a1f2b;--color-ink-soft:#323847;--color-ink-muted:#6c7384;--color-ink-faded:#a0a6b1;--color-accent:#2f6f5e;--color-accent-deep:#1f5244;--color-highlight:#c33a2b;--color-highlight-deep:#8f281d;--color-jet:#1a1f2b;--color-rule:#8a9aa8}}@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}}@layer components;@layer utilities{.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.mx-auto{margin-inline:auto}.flex{display:flex}.min-h-screen{min-height:100vh}.max-w-5xl{max-width:var(--container-5xl)}.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}.px-4{padding-inline:calc(var(--spacing) * 4)}.py-10{padding-block:calc(var(--spacing) * 10)}.antialiased{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.outline{outline-style:var(--tw-outline-style);outline-width:1px}}:root{color-scheme:light}html{font-family:var(--font-sans);font-feature-settings:"palt" 1;-webkit-text-size-adjust:100%;background:var(--color-paper);color:var(--color-ink)}body{background:var(--color-paper);color:var(--color-ink);background-image:repeating-linear-gradient(0deg,#0000 0 3px,#1a1f2b03 3px 4px);min-height:100vh}a{color:inherit}.font-display{font-family:var(--font-display);letter-spacing:0}.font-display-jp{font-family:var(--font-display-jp);letter-spacing:.02em}.font-serif{font-family:var(--font-serif)}.font-mono{font-family:var(--font-mono);font-variant-ligatures:none}.jp-heading{font-feature-settings:"palt" 1;letter-spacing:.02em}.rule-ink{border-top:2px solid var(--color-ink)}.rule-ink-thin{border-top:.5px solid var(--color-rule)}.rule-accent{border-top:2px solid var(--color-accent)}.ruled-index{border-bottom:.5px solid var(--color-rule);color:inherit;grid-template-columns:3.2rem 1px 1fr auto;align-items:baseline;column-gap:.9rem;padding:.7rem .2rem;text-decoration:none;display:grid}.ruled-index:hover{background:#2f6f5e0f}@supports (color:color-mix(in lab,red,red)){.ruled-index:hover{background:color-mix(in srgb,var(--color-accent) 6%,transparent)}}.ruled-index__no{font-family:var(--font-display-jp);color:var(--color-rule);letter-spacing:.06em;text-align:right;font-size:.95rem;font-weight:800}.ruled-index__rule{background:var(--color-rule);align-self:stretch;width:1px}.ruled-index__title{flex-direction:column;gap:2px;min-width:0;display:flex}.ruled-index__title-main{font-family:var(--font-display-jp);color:var(--color-ink);font-size:1.05rem;font-weight:800;line-height:1.3}.ruled-index__title-sub{font-family:var(--font-mono);color:var(--color-ink-muted);white-space:nowrap;text-overflow:ellipsis;font-size:.78rem;overflow:hidden}.ruled-index__tldr{font-family:var(--font-serif);color:var(--color-ink-soft);margin-top:3px;font-size:.82rem;line-height:1.55}.ruled-index__right{font-family:var(--font-mono);color:var(--color-ink-muted);letter-spacing:.06em;white-space:nowrap;font-size:.72rem}.katsuji-cell{background:var(--color-paper-dim);border:.5px solid var(--color-ink);font-family:var(--font-mono);vertical-align:baseline;grid-auto-flow:column;align-items:center;font-weight:500;line-height:1;display:inline-grid}.katsuji-cell>span{text-align:center;border-right:.5px solid #1a1f2b33;min-width:1.25em;padding:.4em .38em .42em}@supports (color:color-mix(in lab,red,red)){.katsuji-cell>span{border-right:.5px solid color-mix(in srgb,var(--color-ink) 20%,transparent)}}.katsuji-cell>span{box-shadow:inset 0 -2px #1a1f2b1a}@supports (color:color-mix(in lab,red,red)){.katsuji-cell>span{box-shadow:inset 0 -2px color-mix(in srgb,var(--color-ink) 10%,transparent)}}.katsuji-cell>span{letter-spacing:0}.katsuji-cell>span:last-child{border-right:0}.torisetsu-frame{border:1.5px solid var(--color-ink);outline:.5px solid var(--color-ink);outline-offset:3px;background:var(--color-paper);margin:1.6rem 0;padding:1.25rem 1.2rem 1rem;position:relative}.torisetsu-frame__tab{background:var(--color-ink);color:var(--color-paper);font-family:var(--font-display-jp);letter-spacing:.3em;padding:.24rem .8rem .26rem;font-size:.72rem;font-weight:900;position:absolute;top:-1.5px;left:-1.5px}.torisetsu-frame[data-kind=caution] .torisetsu-frame__tab,.torisetsu-frame[data-kind=注意] .torisetsu-frame__tab{background:var(--color-highlight)}.torisetsu-frame__body{font-family:var(--font-sans);color:var(--color-ink-soft);font-size:.92rem;line-height:1.75}.masthead-belt{background:var(--color-accent);height:2px;box-shadow:0 3px 0 var(--color-rule);margin-bottom:3px}.chapter-heading{font-family:var(--font-display-jp);letter-spacing:.06em;color:var(--color-ink);font-size:clamp(1.8rem,3.2vw,2.4rem);font-weight:900}.chapter-heading:before{content:"第 " attr(data-ch) " 章";font-family:var(--font-display-jp);letter-spacing:.4em;color:var(--color-accent);margin-bottom:.4rem;font-size:.72rem;font-weight:700;display:block}.stamp-cat{font-family:var(--font-display-jp);background:var(--color-ink);color:var(--color-paper);letter-spacing:.2em;padding:3px 6px 2px;font-size:11px;font-weight:900;line-height:1;display:inline-block}.stamp-cat--accent{background:var(--color-accent)}.check-list>li{padding-left:1.8em;line-height:1.7;position:relative}.check-list>li:before{content:"✓";color:var(--color-accent);font-weight:900;position:absolute;top:0;left:0}.ink-link{text-decoration:underline;-webkit-text-decoration-color:var(--color-accent);text-decoration-color:var(--color-accent);text-underline-offset:3px;text-decoration-thickness:2px}.prose-paper{color:var(--color-ink);font-size:16px;line-height:1.85}.prose-paper h2{font-family:var(--font-display-jp);border-top:2px solid var(--color-ink);letter-spacing:.04em;margin:2em 0 .7em;padding-top:.5em;font-size:20px;font-weight:900}.prose-paper h3{font-family:var(--font-display-jp);color:var(--color-accent);margin:1.4em 0 .5em;font-size:16px;font-weight:800}.prose-paper p{margin:.9em 0}.prose-paper ul{margin:.8em 0;padding-left:0;list-style:none}.prose-paper ul>li{margin:.3em 0;padding-left:1.3em;position:relative}.prose-paper ul>li:before{content:"—";color:var(--color-accent);font-weight:400;font-family:var(--font-display);position:absolute;left:0}.prose-paper ol{padding-left:1.5em}.prose-paper ol>li::marker{font-family:var(--font-display-jp);color:var(--color-accent);font-weight:700}.prose-paper strong{color:var(--color-ink);font-weight:700}.prose-paper a{text-decoration:underline;-webkit-text-decoration-color:var(--color-accent);text-decoration-color:var(--color-accent);text-underline-offset:3px;text-decoration-thickness:1.5px}.prose-paper code{font-family:var(--font-mono);background:var(--color-paper-dim);border-radius:2px;padding:.1em .4em;font-size:.92em}@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}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}header[data-astro-cid-37fxchfa]{background:var(--color-paper)}.masthead[data-astro-cid-37fxchfa]{max-width:64rem;margin:0 auto;padding:20px 16px 8px;display:flex;align-items:flex-end;justify-content:space-between;gap:20px}.mast-logo[data-astro-cid-37fxchfa]{display:inline-flex;flex-direction:column;gap:4px;text-decoration:none;align-items:flex-start}.mast-name-en[data-astro-cid-37fxchfa]{font-family:var(--font-display);font-weight:900;font-size:14px;letter-spacing:.22em;color:var(--color-accent);line-height:1}.mast-name-jp[data-astro-cid-37fxchfa]{font-family:var(--font-display-jp);font-weight:900;font-size:30px;letter-spacing:.04em;color:var(--color-ink);line-height:1}.mast-nav[data-astro-cid-37fxchfa]{display:flex;gap:22px;font-family:var(--font-display-jp);font-weight:700;font-size:14px;padding-bottom:6px}.mast-nav[data-astro-cid-37fxchfa] a[data-astro-cid-37fxchfa]{text-decoration:none;color:var(--color-ink);letter-spacing:.1em}.mast-nav[data-astro-cid-37fxchfa] a[data-astro-cid-37fxchfa]:hover{text-decoration:underline;text-decoration-color:var(--color-accent);text-decoration-thickness:2px;text-underline-offset:4px}.mast-sub[data-astro-cid-37fxchfa]{max-width:64rem;margin:0 auto;padding:6px 16px 10px;display:flex;align-items:center;justify-content:space-between}.mast-sub[data-astro-cid-37fxchfa] .ed-note[data-astro-cid-37fxchfa]{font-family:var(--font-display);font-style:italic;font-weight:400;font-size:12px;color:var(--color-ink-muted);letter-spacing:.06em}.mast-sub[data-astro-cid-37fxchfa] .caption[data-astro-cid-37fxchfa]{font-family:var(--font-mono);font-size:11px;color:var(--color-ink-muted);letter-spacing:.06em;font-style:normal}footer[data-astro-cid-37fxchfa]{margin-top:80px;background:var(--color-paper-deep)}.foot-inner[data-astro-cid-37fxchfa]{max-width:64rem;margin:0 auto;padding:28px 16px 16px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px}.foot-brand[data-astro-cid-37fxchfa]{font-family:var(--font-display-jp);font-weight:900;font-size:18px;letter-spacing:.04em;color:var(--color-ink)}.foot-meta[data-astro-cid-37fxchfa]{font-family:var(--font-serif);font-size:12px;color:var(--color-ink-soft);line-height:1.7;text-align:right}.foot-links[data-astro-cid-37fxchfa] a[data-astro-cid-37fxchfa]{text-decoration:underline;text-decoration-color:var(--color-accent);text-decoration-thickness:1.2px;text-underline-offset:3px}.foot-links[data-astro-cid-37fxchfa] span[data-astro-cid-37fxchfa]{color:var(--color-ink-muted)}.foot-copy[data-astro-cid-37fxchfa]{max-width:64rem;margin:0 auto;padding:0 16px 20px;font-family:var(--font-mono);font-size:11px;color:var(--color-ink-muted);line-height:1.7}@media(max-width:640px){.foot-meta[data-astro-cid-37fxchfa]{text-align:left}.mast-name-jp[data-astro-cid-37fxchfa]{font-size:22px}.mast-nav[data-astro-cid-37fxchfa]{gap:16px;font-size:12px}}
