:root{color-scheme:light;--bg: #ffffff;--text: #000000;--muted: #000000;--link: #0f766e;--accent: #e11d48;--soft: #eef2f1;--line: #d8dee4;--surface: #ffffff;--button-bg: #0f766e;--button-bg-hover: #0b5f59;--font-sans: "Noto Sans", "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", YuGothic, Meiryo, sans-serif;--font-mono: "JetBrains Mono", "Noto Sans JP", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;--fs-2xs: 11px;--fs-xs: 12px;--fs-sm: 13px;--fs-base: 15px;--fs-md: 16px;--fs-lg: 18px;--fs-xl: 22px;--fs-2xl: 28px;--frame-max: 1080px;--content-max: 760px}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--bg: #1b1b1b;--text: #ffffff;--muted: #ffffff;--link: #62dfd0;--accent: #ff7799;--soft: #2a2a2a;--line: #505050;--surface: #242424;--button-bg: #0b5f59;--button-bg-hover: #087a6f}}:root[data-theme=dark]{color-scheme:dark;--bg: #1b1b1b;--text: #ffffff;--muted: #ffffff;--link: #62dfd0;--accent: #ff7799;--soft: #2a2a2a;--line: #505050;--surface: #242424;--button-bg: #0b5f59;--button-bg-hover: #087a6f}*{box-sizing:border-box}html{scroll-behavior:smooth;scrollbar-gutter:stable}body{min-height:100vh;margin:0;color:var(--text);background:var(--bg);font-family:var(--font-sans);font-size:var(--fs-base);line-height:1.75;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration-color:transparent;text-underline-offset:.18em;transition:color .16s ease,text-decoration-color .16s ease,background .16s ease}a:hover{color:var(--link);text-decoration-color:currentColor}button{font:inherit}code,pre,kbd,samp{font-family:var(--font-mono);font-variant-ligatures:none;font-feature-settings:"liga" 0,"calt" 0}time,.project-number,.post-index,.pagination,.tag-filter a span,.date-filter span{font-variant-numeric:tabular-nums}.site-header,.site-footer,main{margin-inline:auto}.site-header,.site-footer{width:min(calc(100% - 32px),var(--frame-max))}main{width:min(calc(100% - 32px),var(--content-max))}.site-header{display:flex;align-items:flex-start;justify-content:space-between;gap:28px;padding:56px 0 84px}.wordmark{display:inline-flex;align-items:center;gap:14px;min-width:0;text-decoration:none}.site-mark{flex:0 0 auto;width:46px;height:46px;border-radius:8px;object-fit:cover}.wordmark strong,.wordmark small{display:block}.wordmark strong{font-size:24px;line-height:1.1}.wordmark small{margin-top:3px;color:var(--muted);font-size:var(--fs-2xs);line-height:1.2}.header-controls{display:flex;align-items:flex-start;gap:8px}.theme-toggle{display:grid;flex:0 0 auto;place-items:center;width:32px;height:32px;padding:5px;border:0;border-radius:6px;background:transparent;color:var(--text);cursor:pointer}.theme-toggle[hidden]{display:none}.theme-toggle:hover{background:var(--soft)}.theme-toggle:focus-visible{outline:2px solid var(--link);outline-offset:2px}.theme-icon{width:20px;height:20px}.theme-icon-moon,.theme-toggle[data-theme=dark] .theme-icon-sun{display:none}.theme-toggle[data-theme=dark] .theme-icon-moon{display:block}nav{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:0;padding-top:6px}nav a{color:var(--link);font-weight:600;line-height:1;padding:0 12px;text-decoration:none}nav a+a{border-left:1px solid var(--line)}nav a[aria-current=page]{color:var(--text);text-decoration:underline;text-decoration-color:currentColor}.hero{padding-bottom:72px}.eyebrow,.section-heading>p,.section-kicker,.project-number,.site-footer{color:var(--muted);font-size:var(--fs-xs);font-weight:600}.eyebrow{color:var(--accent);margin:0 0 24px}.hero>.eyebrow{color:var(--accent)}.status-dot{display:inline-block;width:8px;height:8px;margin-right:8px;background:var(--link);border-radius:999px}.hero h1,.page-intro h1{margin:0 0 24px;color:var(--text);font-size:clamp(25px,5vw,34px);line-height:1.28;font-weight:600;letter-spacing:0}.page-intro h1 em{color:var(--accent);font-style:normal}.hero>p,.page-intro+.section,.about-copy,.plain-copy{max-width:66ch}.hero>.hero-quote{margin:-6px 0 24px;color:var(--link);font-size:var(--fs-sm)}.hero>p,.about-copy,.plain-copy,.blog-list p,.project-content>span:last-child{color:var(--muted)}.hero-actions,.social-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.button{display:inline-flex;align-items:center;gap:10px;padding:7px 0;color:var(--link);font-weight:600;text-decoration:underline;text-decoration-color:transparent}.button:hover{text-decoration-color:currentColor}.button.primary{color:var(--link)}.section{padding:56px 0;border-top:1px dashed var(--line)}.section-heading{margin-bottom:24px}.section-heading>p,.section-kicker{margin:0 0 8px;color:var(--accent)}.section-heading h2,.about-section h2{margin:0;color:var(--text);font-size:var(--fs-xl);line-height:1.35;font-weight:600;letter-spacing:0}.project-list,.blog-list,.link-list,.project-card ul{padding:0;margin:0;list-style:none}.project-list{display:grid;gap:20px}.project-card{display:grid;grid-template-columns:42px 1fr;gap:10px 18px;padding:0;text-decoration:none}.project-number{min-width:36px;padding-top:2px}.project-content{display:grid;gap:3px}.project-content strong{color:var(--text);font-size:var(--fs-md);font-weight:500;text-decoration:underline;text-decoration-color:transparent}.project-card:hover .project-content strong{color:var(--link);text-decoration-color:currentColor}.project-tags{grid-column:2;display:flex;flex-wrap:wrap;gap:7px}.project-tags span,.blog-list li{padding:2px 7px;color:var(--muted);background:var(--soft);border-radius:4px;font-size:var(--fs-2xs)}.app-store-section{padding-top:40px}.app-store-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.app-store-card{display:flex;flex-direction:column;height:100%;padding:12px;border:1px solid var(--line);border-radius:18px;background:var(--surface)}.app-card-main{display:block;min-width:0;text-decoration:none}.app-card-icon{display:block;width:100%;height:auto;aspect-ratio:1;object-fit:cover;border-radius:22%;box-shadow:0 4px 14px #272b301f}.app-card-copy{display:grid;gap:5px;margin-top:13px}.app-card-copy strong{color:var(--text);font-size:var(--fs-base);line-height:1.45;font-weight:600}.app-card-copy>span{color:var(--muted);font-size:var(--fs-xs);line-height:1.6}.app-card-main:hover strong,.app-detail-link:hover{color:var(--link);text-decoration:underline;text-decoration-color:currentColor}.app-card-actions{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:16px}.app-open-button{display:inline-flex;align-items:center;justify-content:center;min-height:34px;padding:5px 15px;border-radius:999px;color:#fff;background:var(--button-bg);font-size:var(--fs-sm);font-weight:600;line-height:1;text-decoration:none}.app-open-button:hover{color:#fff;background:var(--button-bg-hover);text-decoration:none}.app-detail-link{color:var(--muted);font-size:var(--fs-2xs);line-height:1.4;text-align:right}.app-detail-page{padding-bottom:72px}.app-detail-hero{display:grid;grid-template-columns:148px minmax(0,1fr);align-items:center;gap:28px;padding:28px 0 52px;border-bottom:1px dashed var(--line)}.app-detail-icon{display:block;width:100%;height:auto;border-radius:22%;box-shadow:0 6px 20px #272b3024}.app-detail-hero h1{margin:0 0 8px;color:var(--text);font-size:var(--fs-2xl);line-height:1.35;font-weight:600}.app-detail-hero>div>p:not(.section-kicker){margin:0 0 18px;color:var(--muted)}.app-detail-open{min-height:38px;padding-inline:20px}.app-screenshot-section{padding:52px 0;border-bottom:1px dashed var(--line)}.app-screenshot-section h2,.app-detail-copy h2{margin:0 0 22px;color:var(--text);font-size:var(--fs-lg);line-height:1.4;font-weight:600}.app-screenshot-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.app-screenshot-grid figure{display:grid;place-items:center;height:360px;margin:0;overflow:hidden;border:1px solid var(--line);border-radius:12px;background:var(--soft)}.app-screenshot-grid img{display:block;width:100%;height:100%;object-fit:contain}.app-detail-copy{padding:48px 0 32px;color:var(--muted)}.app-detail-copy h2:not(:first-child){margin-top:38px}.app-detail-copy p{margin:0 0 18px}.app-detail-footer{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-top:28px;border-top:1px dashed var(--line)}.app-detail-tags{display:flex;flex-wrap:wrap;gap:7px;padding:0;margin:0;list-style:none}.app-detail-tags li{padding:2px 7px;color:var(--muted);background:var(--soft);border-radius:4px;font-size:var(--fs-2xs)}.pagination{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:36px;padding-top:20px;border-top:1px dashed var(--line)}.pagination a,.pagination span{display:inline-flex;align-items:center;justify-content:center;min-width:24px;height:24px;border:1px solid var(--line);border-radius:4px;color:var(--muted);font-size:var(--fs-xs);font-weight:600;text-decoration:none}.pagination a:hover{color:var(--link);text-decoration:underline;text-underline-offset:.18em}.pagination span[aria-current=page]{color:var(--text);text-decoration:underline;text-underline-offset:.18em}.tag-filter{margin-bottom:30px}.tag-filter>p{margin:0 0 10px;color:var(--muted);font-size:var(--fs-xs);font-weight:600}.tag-filter>div{display:flex;flex-wrap:wrap;gap:8px}.tag-filter a{display:inline-flex;align-items:center;gap:6px;padding:4px 9px;border:1px solid var(--line);border-radius:4px;color:var(--muted);font-size:var(--fs-xs);font-weight:600;text-decoration:none}.tag-filter a:hover{color:var(--link);border-color:currentColor}.tag-filter a[aria-current=page]{color:var(--text);background:var(--soft);border-color:var(--text)}.tag-filter a span{min-width:16px;padding:0 4px;background:var(--soft);border-radius:999px;color:var(--muted);font-size:var(--fs-2xs);text-align:center}.about-copy p,.plain-copy p{margin:0 0 18px}.social-links{gap:18px}.social-links a{color:var(--link);font-weight:600}.link-list{display:grid;border-top:1px dashed var(--line)}.history-list{display:grid;gap:18px;padding:0;margin:0;list-style:none}.history-list li{display:grid;grid-template-columns:96px 1fr;gap:18px;padding:0 0 18px;border-bottom:1px dashed var(--line)}.history-list li.history-era-start{margin-top:36px}.history-list span{color:var(--muted);font-size:var(--fs-xs);font-weight:600}.history-list p{margin:0;color:var(--muted)}.history-list a{color:var(--link);text-decoration-color:currentColor}.link-list a{display:flex;align-items:baseline;justify-content:space-between;gap:18px;padding:13px 0;border-bottom:1px dashed var(--line);color:var(--text);text-decoration:none}.link-list span{font-weight:600}.link-list small{color:var(--muted);font-size:var(--fs-xs);text-align:right;overflow-wrap:anywhere}.link-list a:hover span{color:var(--link);text-decoration:underline;text-underline-offset:.18em}.page-intro{padding-bottom:56px}.page-intro>p{margin:0 0 14px;color:var(--accent);font-size:var(--fs-xs);font-weight:600}.related-sites{margin-top:4px}.related-sites>p{margin:0 0 8px;color:var(--muted);font-size:var(--fs-sm);font-weight:600}.related-sites ul{display:grid;gap:6px;margin:0;padding:0;list-style:none}.related-sites a{display:inline-flex;align-items:center;gap:8px;color:var(--link);font-weight:600;text-decoration:underline;text-decoration-color:currentColor}.related-sites a span{transition:transform .16s ease}.related-sites a:hover span{transform:translate(2px,-2px)}.blog-list>a{position:relative;display:grid;grid-template-columns:42px 1fr;gap:18px;padding:18px 0;border-top:1px dashed var(--line);text-decoration:none}.blog-list>a:first-child{border-top:0}.blog-list .post-index,.blog-list time{color:var(--muted);font-size:var(--fs-xs);font-weight:600}.blog-list h2{margin:4px 0;font-size:var(--fs-md);line-height:1.5;font-weight:500}.blog-list p{margin:0}.blog-list ul{display:flex;flex-wrap:wrap;gap:7px;padding:0;margin:12px 0 0;list-style:none}.card-arrow{display:none}.article{padding-bottom:96px}.article header{padding-bottom:32px;border-bottom:1px dashed var(--line)}.article header>a,.article time{color:var(--link);font-size:var(--fs-xs);font-weight:600}.article time{float:right;color:var(--muted)}.article h1{margin:36px 0 16px;color:var(--text);font-size:clamp(28px,7vw,42px);line-height:1.2}.article header p{color:var(--muted)}.prose{padding-top:36px}.prose h2{margin-top:48px;color:var(--text);font-size:var(--fs-xl)}.prose p,.prose ul{margin:1.4em 0}.prose .katex-display{overflow-x:auto;overflow-y:hidden;padding:4px 0}.prose :not(pre)>code{padding:1px 5px;border-radius:4px;background:var(--soft);font-size:.9em}.prose pre{padding:16px;overflow-x:auto;border:1px solid var(--line);border-radius:6px;font-size:var(--fs-sm);line-height:1.6}:root[data-theme=dark] .astro-code,:root[data-theme=dark] .astro-code span{color:var(--shiki-dark)!important;background-color:var(--shiki-dark-bg)!important}@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .astro-code,:root:not([data-theme=light]) .astro-code span{color:var(--shiki-dark)!important;background-color:var(--shiki-dark-bg)!important}}.prose a{color:var(--link);text-decoration-color:currentColor}.article-navigation{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:56px;padding-top:24px;border-top:1px dashed var(--line)}.article-navigation a{display:grid;gap:6px;color:var(--text);text-decoration:none}.article-navigation a.next{grid-column:2;text-align:right}.article-navigation small{color:var(--muted);font-size:var(--fs-xs);font-weight:600}.article-navigation span{color:var(--link);font-weight:600;text-decoration:underline;text-decoration-color:transparent;text-underline-offset:.18em}.article-navigation a:hover span{text-decoration-color:currentColor}.slide-deck{margin:32px 0}.slide-deck iframe{display:block;width:100%;aspect-ratio:16 / 10;border:1px solid var(--line);border-radius:6px;background:var(--soft)}.slide-deck p{margin:10px 0 0;text-align:right;font-size:var(--fs-xs);font-weight:600}.site-footer{display:flex;justify-content:space-between;gap:18px;padding:80px 0 20px}.site-footer p{margin:0}@media(max-width:720px){body{font-size:14px}.site-header{display:grid;grid-template-columns:minmax(0,1fr) 32px;align-items:center;column-gap:12px;row-gap:24px;padding:34px 0 56px}.wordmark{grid-column:1;grid-row:1}.wordmark strong{font-size:clamp(20px,6.4vw,24px)}.header-controls{display:contents}.theme-toggle{grid-column:2;grid-row:1;align-self:center}nav{grid-column:1 / -1;grid-row:2;justify-content:flex-start;row-gap:12px;padding-top:0}nav a:first-child{padding-left:0}.section{padding:44px 0}.app-store-grid{grid-template-columns:1fr;gap:12px}.app-store-card{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;padding:10px;border-radius:14px}.app-card-main{display:grid;grid-template-columns:72px minmax(0,1fr);align-items:center;gap:13px}.app-card-copy{margin-top:0}.app-card-actions{flex-direction:column;gap:7px;margin-top:0;padding-top:0}.app-open-button{min-height:32px;padding-inline:14px}.app-detail-link{max-width:60px;text-align:center}.app-detail-hero{grid-template-columns:96px minmax(0,1fr);gap:18px;padding:24px 0 40px}.app-detail-hero h1{font-size:var(--fs-xl)}.app-detail-hero .section-kicker{margin-bottom:4px}.app-detail-hero>div>p:not(.section-kicker){margin-bottom:12px;line-height:1.55}.app-detail-open{min-height:36px}.app-screenshot-section{padding:40px 0}.app-screenshot-grid{grid-template-columns:1fr}.app-screenshot-grid figure{height:420px}.app-detail-copy{padding-top:40px}.app-detail-footer{align-items:flex-start;flex-direction:column}.project-card,.blog-list>a{grid-template-columns:34px 1fr;gap:10px 14px}.project-tags{grid-column:2}.link-list a{display:grid;gap:2px}.history-list li{grid-template-columns:1fr;gap:4px}.link-list small{text-align:left}.article-navigation{grid-template-columns:1fr}.article-navigation a.next{grid-column:1;text-align:left}.site-footer{display:block}.site-footer p+p{margin-top:8px}}.wide-layout main{width:min(calc(100% - 32px),var(--frame-max))}.page-intro+.archive-layout{max-width:none}.archive-layout{display:grid;grid-template-columns:minmax(0,760px) minmax(200px,240px);align-items:start;gap:56px}.archive-results{min-width:0}.archive-result-heading{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 16px;margin-bottom:24px}.archive-result-heading h2{margin:0;font-size:var(--fs-base);font-weight:600}.archive-result-heading p{margin:0;font-size:var(--fs-xs)}.archive-result-heading>a{color:var(--link);font-size:var(--fs-xs);text-decoration:underline}.archive-sidebar{min-width:0;padding-left:24px;border-left:1px solid var(--line)}.archive-controls>summary{display:none}.archive-sidebar .tag-filter,.date-filter{grid-column:auto;grid-row:auto;display:block;padding:0;margin:0}.archive-sidebar .tag-filter{margin-bottom:36px}.archive-sidebar .tag-filter>p,.date-filter h2{margin:0 0 12px;font-size:var(--fs-sm);font-weight:700}.archive-sidebar .tag-filter>div{display:grid;gap:6px}.archive-sidebar .tag-filter a{justify-content:space-between;min-height:36px;padding:6px 10px;overflow-wrap:anywhere}.date-filter>p{margin:-6px 0 12px;font-size:var(--fs-xs)}.date-filter ul{padding:0;margin:8px 0 0;list-style:none}.date-filter li{margin:4px 0}.date-filter li ul{padding-left:16px}.date-filter a{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:6px 8px;border:0;border-radius:4px;color:var(--text);font-size:var(--fs-sm);font-weight:500;line-height:1.6}.date-filter a:hover{color:var(--link);background:var(--soft)}.date-filter a[aria-current=page]{background:var(--soft);font-weight:700}.date-filter summary{padding:6px 8px;font-size:var(--fs-sm);font-weight:600;cursor:pointer}.date-filter span{font-size:var(--fs-2xs)}.archive-sidebar a:focus-visible,.archive-sidebar summary:focus-visible{outline:2px solid var(--link);outline-offset:2px}@media(max-width:900px){.archive-layout{grid-template-columns:minmax(0,1fr);gap:28px}.archive-sidebar{grid-row:1;padding:0 0 20px;border-left:0;border-bottom:1px dashed var(--line)}.archive-controls>summary{display:list-item;font-size:var(--fs-sm);font-weight:600;cursor:pointer}.archive-controls-content{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;padding-top:20px}.archive-sidebar .tag-filter{margin-bottom:0}}@media(max-width:480px){.archive-controls-content{grid-template-columns:1fr}}