@charset "UTF-8";.reading-progress[data-astro-cid-mu6cnre2]{--reading-pencil-width: 88px;display:none}@supports (animation-timeline: scroll()){.reading-progress[data-astro-cid-mu6cnre2]{display:block;position:fixed;top:0;left:0;width:100%;height:0;pointer-events:none;z-index:var(--z-reading-progress);animation-name:reading-progress-fade;animation-duration:auto;animation-timing-function:linear;animation-fill-mode:both;animation-timeline:scroll(root block)}.reading-progress__line[data-astro-cid-mu6cnre2]{position:absolute;top:0;left:0;width:100%;height:3px;background:var(--color-accent-orange);border-radius:0 2px 2px 0;transform-origin:0 50%;transform:scaleX(0);animation-name:reading-progress-line;animation-duration:auto;animation-timing-function:linear;animation-fill-mode:both;animation-timeline:scroll(root block)}.reading-progress__pencil[data-astro-cid-mu6cnre2]{position:absolute;top:1px;left:0;width:100%;transform:translate(-100%);animation-name:reading-progress-pencil;animation-duration:auto;animation-timing-function:linear;animation-fill-mode:both;animation-timeline:scroll(root block)}.reading-progress__pencil[data-astro-cid-mu6cnre2] svg{position:absolute;top:0;right:0;width:var(--reading-pencil-width);height:auto;transform:scaleX(-1);filter:drop-shadow(0 1px 1px rgba(0,0,0,.3));--pencil-tip-color: #333;--pencil-body-color: var(--clr-orange-300);--pencil-metal-color: #999;--pencil-eraser-color: #ffb7b7}}@media(prefers-reduced-motion:reduce){.reading-progress[data-astro-cid-mu6cnre2]{display:none}}@keyframes reading-progress-pencil{0%{transform:translate(-100%)}to{transform:translate(0)}}@keyframes reading-progress-line{0%{transform:scaleX(0)}to{transform:scaleX(1)}}@keyframes reading-progress-fade{0%,96%{opacity:1}to{opacity:0}}[data-theme=dark] .reading-progress__pencil[data-astro-cid-mu6cnre2] svg{--pencil-tip-color: #111;--pencil-body-color: var(--clr-orange-700);--pencil-metal-color: #888;--pencil-eraser-color: #b8738a}:root{--clr-white: #ffffff;--clr-black: #000000;--clr-gray-50: #fffcf7;--clr-gray-100: #fff9f5;--clr-gray-200: #e8e8ec;--clr-gray-700: #4a4a4a;--clr-gray-800: #2a2a2a;--clr-navy-700: #3d3d54;--clr-navy-800: #242438;--clr-navy-850: #2a3042;--clr-navy-900: #1a1a2e;--clr-blue-100: #e8f4fc;--clr-blue-200: #b8c4dc;--clr-blue-300: #7ba3c9;--clr-blue-400: #8b9dc3;--clr-blue-500: #306fcf;--clr-blue-600: #4577a8;--clr-blue-700: #3a5a75;--clr-blue-800: #2a4a6a;--clr-blue-900: #1e283c;--clr-blue-vivid: #0b64f4;--clr-orange-100: #fed7aa;--clr-orange-300: #f5a066;--clr-orange-300-rgb: 245, 160, 102;--clr-orange-600: #be540c;--clr-orange-700: #c05513;--clr-orange-900: #6b2510;--clr-gold-300: #e6b38a;--clr-gold-400: #d4a574;--clr-gold-400-rgb: 212, 165, 116;--clr-yellow-100: #fff5e6;--clr-yellow-200: #ffe8cc;--clr-yellow-800: #5a4336;--clr-beige-300: #d4c4b0;--clr-beige-900: #352f3a;--clr-terracotta-900: #3a3238;--clr-pink-100: #fce8e8;--clr-pink-200: #ffb3b3;--clr-pink-300: #ff9999;--clr-pink-800: #7a4a4a;--clr-pink-900: #352a38;--clr-rose-400: #c47690;--clr-rose-800: #b8738a;--clr-plum-300: #eec2d1;--clr-green-100: #e8f5e8;--clr-green-300: #c5dcc5;--clr-green-700: #047857;--clr-green-800: #3a5a3a;--clr-green-900: #2a3332;--clr-sage-400: #7fa890;--clr-magenta-500: #d323a6}:root{--color-text: var(--clr-gray-700, #4a4a4a);--color-bg: var(--clr-gray-100, #fff9f5);--color-accent: var(--clr-blue-500, #306fcf);--color-accent-alt: var(--clr-orange-600, #be540c);--color-accent-orange: var(--clr-orange-600, #be540c);--color-accent-orange-rgb: var(--clr-orange-300-rgb, 245, 160, 102);--color-headline-blue: var(--clr-blue-500, #306fcf);--color-headline-blue-rgb: 48, 111, 207;--color-muted-blue: var(--clr-blue-600, #4577a8);--color-muted-blue-rgb: 69, 119, 168;--color-accent-blue: #60a5fa;--color-hero-head: var(--clr-black, #000000);--tag-bg-color: var(--clr-blue-300, #7ba3c9);--tag-text-color: var(--clr-blue-900, #1e283c);--paper-bg: var(--clr-gray-50, #fffcf7);--paper-border: rgba(0, 0, 0, .05);--note-line: rgba(0, 0, 0, .05);--note-rule-start: var(--clr-pink-200, #ffb3b3);--note-rule-end: var(--clr-pink-300, #ff9999);--color-grid-dot: rgba(30, 40, 60, .03);--color-border: rgba(0, 0, 0, .12);--color-border-subtle: rgba(0, 0, 0, .06);--color-border-accent: rgba(91, 127, 163, .12);--shadow: 0 8px 24px rgba(15, 15, 15, .06);--paper-shadow-front: 0 8px 24px rgba(0, 0, 0, .12);--paper-shadow-outer: 0 10px 30px rgba(0, 0, 0, .08);--color-note-yellow-bg: var(--clr-yellow-100);--color-note-yellow-text: var(--clr-yellow-800);--color-note-yellow-border: transparent;--color-note-orange-bg: var(--clr-orange-100);--color-note-orange-text: var(--clr-orange-900);--color-note-orange-border: transparent;--color-note-blue-bg: var(--clr-blue-100);--color-note-blue-text: var(--clr-blue-700);--color-note-blue-border: transparent;--color-note-pink-bg: var(--clr-pink-100);--color-note-pink-text: var(--clr-pink-800);--color-note-pink-border: transparent;--color-note-green-bg: var(--clr-green-100);--color-note-green-text: var(--clr-green-800);--color-note-green-border: transparent;--memo-note-bg: linear-gradient(180deg, var(--clr-yellow-100) 0%, var(--clr-yellow-200) 100%);--memo-note-accent-bg: linear-gradient(180deg, #ffe8d6 0%, #ffd4b3 100%);--mobile-icon-1: var(--clr-orange-700);--mobile-icon-2: var(--clr-magenta-500);--mobile-icon-3: var(--clr-blue-vivid);--mobile-icon-4: var(--clr-green-700);--font-family-base: "Noto Serif JP", Georgia, "Times New Roman", serif;--font-handwrite: "Yomogi", "Hachi Maru Pop", "Comic Sans MS", "Noto Serif JP", serif;--paper-radius: 12px;--paper-radius-inner: 8px;--paper-line-height: 32px;--max-line: 72ch;--max-width: 1000px;--color-text-muted: var(--clr-gray-700, #666);--tap-target-min: 44px;--z-pagination: 5;--z-reading-progress: 1300;--z-nav: 1500;--z-nav-dropdown: 9999;--z-mobile-backdrop: 1090;--z-mobile-panel: 1100;--z-mobile-toggle: 1200;--z-search-overlay: 1400;--z-search-wrapper: 1401;--z-search-results: 1410;--z-search-close: 1420;--z-search-active: 1600;--z-focus-ring: 10000;--spacing-xs: .5rem;--spacing-sm: .75rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--spacing-3xl: 4rem;--nav-margin-bottom: 3.2rem;--nav-margin-bottom-desktop: 4.2rem;--hero-margin-bottom: 6rem;--duration-instant: .12s;--duration-fast: .18s;--duration-base: .2s;--duration-moderate: .25s;--duration-smooth: .35s;--duration-deliberate: .5s;--ease-standard: cubic-bezier(.22, .61, .36, 1);--ease-gentle: cubic-bezier(.22, 1, .36, 1)}@media(min-width:960px){:root{--max-line: 1000px}}[data-theme=dark]{--color-text: var(--clr-gray-200);--color-bg: var(--clr-navy-900);--color-accent: var(--clr-blue-400);--color-accent-alt: var(--clr-gold-400);--color-accent-orange: var(--clr-gold-400);--color-accent-orange-rgb: var(--clr-gold-400-rgb);--color-headline-blue: var(--clr-blue-400);--color-muted-blue: var(--clr-blue-400);--color-hero-head: var(--clr-gray-200);--color-text-muted: var(--clr-gray-200, #aaa);--tag-bg-color: var(--clr-navy-700);--tag-text-color: var(--clr-gray-200);--paper-bg: var(--clr-navy-800);--paper-border: rgba(255, 255, 255, .08);--note-line: rgba(255, 255, 255, .04);--note-rule-start: rgba(184, 115, 138, .7);--note-rule-end: rgba(184, 115, 138, .5);--color-grid-dot: rgba(255, 255, 255, .025);--color-border: rgba(255, 255, 255, .12);--color-border-subtle: rgba(255, 255, 255, .04);--color-border-accent: rgba(139, 157, 195, .1);--paper-shadow-outer: 0 12px 32px rgba(0, 0, 0, .4);--color-surface-solid: #242438;--color-surface-solid-hover: #2a2a42;--color-note-yellow-bg: var(--clr-beige-900);--color-note-yellow-text: var(--clr-beige-300);--color-note-yellow-border: #4a4252;--color-note-orange-bg: var(--clr-terracotta-900);--color-note-orange-text: var(--clr-gold-300);--color-note-orange-border: #4d4455;--color-note-blue-bg: var(--clr-navy-850);--color-note-blue-text: var(--clr-blue-200);--color-note-blue-border: #3a4255;--color-note-pink-bg: var(--clr-pink-900);--color-note-pink-text: var(--clr-plum-300);--color-note-pink-border: #4a3a48;--color-note-green-bg: var(--clr-green-900);--color-note-green-text: var(--clr-green-300);--color-note-green-border: #3a4542;--memo-note-bg: linear-gradient(180deg, #2a2a3e 0%, #242438 100%);--memo-note-accent-bg: linear-gradient(180deg, #2a2a3e 0%, #242438 100%);--mobile-icon-1: var(--clr-gold-400);--mobile-icon-2: var(--clr-rose-400);--mobile-icon-3: var(--clr-blue-400);--mobile-icon-4: var(--clr-sage-400);--eraser-bg: rgba(200, 200, 200, .2);--eraser-bg-dark: rgba(80, 80, 80, .2)}table-of-contents{display:block;width:100%}.toc-wrapper{margin-bottom:2rem;box-sizing:border-box}.toc-header{display:flex;justify-content:space-between;align-items:center;gap:.5rem}.toc-toggle{display:flex;align-items:center;justify-content:center;background:transparent;border:none;cursor:pointer;padding:.5rem;color:inherit;transition:opacity .2s,transform .2s;flex-shrink:0}.toc-toggle:hover{opacity:.7}.toc-toggle:focus-visible{outline:2px solid currentColor;outline-offset:2px;border-radius:4px}@media(min-width:1280px){.toc-toggle{display:none}}.toc-toggle-icon{display:inline-block;font-size:1rem;line-height:1}.toc-toggle-icon:before{content:"▼"}[aria-expanded=true] .toc-toggle-icon:before{content:"▲"}.toc-list{margin:0;padding:0;list-style:none;overflow:hidden;transition:height .3s ease-out}@media(min-width:1280px){.toc-list{max-height:calc(100vh - 200px);overflow-y:auto;overflow-x:hidden}.toc-list::-webkit-scrollbar{width:6px}.toc-list::-webkit-scrollbar-track{background:transparent;border-radius:3px}.toc-list::-webkit-scrollbar-thumb{background:transparent;border-radius:3px;transition:background .3s}.toc-list:hover::-webkit-scrollbar-thumb{background:#00000026}.toc-list:hover::-webkit-scrollbar-thumb:hover{background:#00000040}}@media(prefers-reduced-motion:reduce){.toc-list{transition:none}}.toc-sub-list{list-style:none;padding:0;margin:0}.toc-item{margin:0;line-height:1.6}.toc-item a{text-decoration:none;color:inherit;display:block;transition:opacity .2s,color .2s,font-weight .2s;overflow-wrap:break-word}.toc-item a:hover{opacity:.7}.toc-item.active a{font-weight:700;opacity:1}.toc-wrapper.design-notebook{position:relative;background:var(--color-note-yellow-bg);color:var(--color-note-yellow-text);padding:1.5rem;border-radius:2px;box-shadow:2px 3px 6px #00000014;font-family:var(--font-handwrite);width:100%;max-width:400px;margin-left:auto;margin-right:auto;transform:none;border:1px solid rgba(0,0,0,.04);box-sizing:border-box}@media(min-width:1280px){.toc-wrapper.design-notebook{max-width:100%;transform:rotate(-1deg)}}.toc-wrapper.design-notebook:before{content:"";position:absolute;top:-12px;left:50%;transform:translate(-50%) rotate(1deg);width:100px;height:24px;background-color:rgba(var(--color-accent-orange-rgb),.5);opacity:.8;box-shadow:0 1px 2px #00000014}.toc-wrapper.design-notebook .toc-header{margin-bottom:1rem;border-bottom:2px dashed rgba(107,83,68,.15);padding-bottom:.5rem}.toc-wrapper.design-notebook .toc-title{font-size:1.4rem;font-weight:700;text-align:center;flex:1}.toc-wrapper.design-notebook .toc-toggle{font-size:1.2rem}.toc-wrapper.design-notebook .toc-toggle:hover{transform:scale(1.1);opacity:1}.toc-wrapper.design-notebook .toc-item.depth-2{font-weight:700;margin-top:.5rem;font-size:1.1rem}.toc-wrapper.design-notebook .toc-item.depth-3{padding-left:1.2rem;font-size:1rem;position:relative}.toc-wrapper.design-notebook .toc-item.depth-3:before{content:"-";position:absolute;left:.2rem;opacity:.6}.toc-wrapper.design-notebook .toc-item.active a{color:rgb(var(--color-accent-orange-rgb, 245, 160, 102));font-weight:700}:global([data-theme=dark]) .toc-wrapper.design-notebook{background:#2e2e44;color:#d4c4b0;border-color:#ffffff14}:global([data-theme=dark]) .toc-wrapper.design-notebook:before{background-color:rgba(var(--color-accent-orange-rgb),.45)}:global([data-theme=dark]) .toc-wrapper.design-notebook .toc-header{border-bottom-color:#d4c4b026}:global([data-theme=dark]) .toc-wrapper.design-notebook .toc-item.active a{color:rgb(var(--color-accent-orange-rgb, 245, 160, 102))}.toc-wrapper.design-simple{background:#00000005;border:1px solid var(--color-border);border-radius:8px;padding:1.5rem;font-family:var(--font-family-base);color:var(--color-text);margin:2rem 0}.toc-wrapper.design-simple .toc-header{margin-bottom:1.25rem}.toc-wrapper.design-simple .toc-title{font-size:1.2rem;font-weight:700;display:flex;align-items:center;gap:.75rem;color:var(--color-hero-head);flex:1}.toc-wrapper.design-simple .toc-title:before{content:"";display:block;width:5px;height:1.2em;background:var(--color-headline-blue);border-radius:3px;flex-shrink:0}.toc-wrapper.design-simple .toc-toggle{border:1px solid var(--color-border);border-radius:4px;padding:.4rem .6rem}.toc-wrapper.design-simple .toc-toggle:hover{background:#0000000d;opacity:1}.toc-wrapper.design-simple .toc-toggle-icon{font-size:.9rem}.toc-wrapper.design-simple .toc-list{border-left:1px solid var(--color-border-subtle);padding-left:0;margin-left:.5rem}.toc-wrapper.design-simple .toc-item{position:relative}.toc-wrapper.design-simple .toc-item a{padding:.5rem 0 .5rem 1.25rem;border-left:2px solid transparent;margin-left:-1px;color:var(--color-text);opacity:.75;font-size:.95rem}.toc-wrapper.design-simple .toc-item a:hover{color:var(--color-headline-blue);border-left-color:var(--color-headline-blue);background:rgba(var(--color-headline-blue),.05);opacity:1}.toc-wrapper.design-simple .toc-item.depth-2{font-weight:600}.toc-wrapper.design-simple .toc-item.depth-3 a{padding-left:2.25rem;font-size:.9rem}.toc-wrapper.design-simple .toc-item.active a{color:var(--color-headline-blue);border-left-color:var(--color-headline-blue);background:#1d4ed80d;font-weight:700;opacity:1}:global([data-theme=dark]) .toc-wrapper.design-simple{background:#ffffff05;border-color:#ffffff14}:global([data-theme=dark]) .toc-wrapper.design-simple .toc-item.active a{color:var(--color-accent);border-left-color:var(--color-accent);background:#8b9dc31a}