:root {
    --background: #fff;
    --ink: #111;
    --link: #3388ff;
    --muted: #777;
    --rule: #dedede;
    --surface: #f7f7f7;
    --code-background: #f2faff;
    --code-border: #cce4f7;
    --codehilite: #f7f9fc;
    --subtle-text: #444;
    --contrib-empty: #f1f1f1;
    --contrib-1: #dce8ff;
    --contrib-2: #aac8ff;
    --contrib-3: #76a6ff;
    --toc-hover: #eef5ff;
    --shadow: rgb(0 0 0 / 8%);
    --click-text-color: #333;
    --syntax-highlight: #fff3bf;
    --syntax-comment: #5f7282;
    --syntax-error: #b42318;
    --syntax-keyword: #7c3fa0;
    --syntax-punctuation: #475569;
    --syntax-number: #a14e00;
    --syntax-string: #087443;
    --syntax-name: #0868c9;
    --syntax-class: #006c82;
    --syntax-variable: #b15a20;
    --syntax-decorator: #9b3b72;
    --syntax-whitespace: #94a3b8;
    --max-width: 550px;
}

:root[data-theme="dark"] {
    --background: #10131a;
    --ink: #e8edf5;
    --link: #86b7ff;
    --muted: #9da9ba;
    --rule: #2d3542;
    --surface: #171c25;
    --code-background: #152334;
    --code-border: #29496d;
    --codehilite: #151b25;
    --subtle-text: #c3ccd9;
    --contrib-empty: #202834;
    --contrib-1: #24466e;
    --contrib-2: #32669c;
    --contrib-3: #548dcc;
    --toc-hover: #182b42;
    --shadow: rgb(0 0 0 / 32%);
    --click-text-color: #e8edf5;
    --syntax-highlight: #3e3518;
    --syntax-comment: #9eb3c8;
    --syntax-error: #ff8f88;
    --syntax-keyword: #d6a6ff;
    --syntax-punctuation: #b9c6d6;
    --syntax-number: #ffb26b;
    --syntax-string: #80d8a8;
    --syntax-name: #83baff;
    --syntax-class: #79d7e8;
    --syntax-variable: #ffb77c;
    --syntax-decorator: #f1a7d0;
    --syntax-whitespace: #718096;
}

@font-face {
    font-family: "SuisseIntl";
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url("https://res.hajimehoshi.com/fonts/SuisseIntl-Regular-WebXL.woff2") format("woff2");
}

* {
    box-sizing: border-box;
}

::selection {
    background-color: color-mix(in oklab, var(--ink) 18%, transparent);
    color: var(--ink);
}

::-moz-selection {
    background-color: color-mix(in oklab, var(--ink) 18%, transparent);
    color: var(--ink);
}

html {
    background: var(--background);
    color: var(--ink);
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--background);
    color: var(--ink);
    font: 17px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    -webkit-text-size-adjust: 100%;
}

a {
    color: var(--link);
    font-weight: 500;
    text-decoration: underline;
    text-decoration-color: transparent;
    text-decoration-thickness: 2px;
    text-underline-offset: 2px;
}

@media (hover: hover) {
    a:hover {
        text-decoration-color: currentColor;
    }
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--link);
    outline-offset: 3px;
}

.site-shell {
    width: min(var(--max-width), 90vw);
    margin: 25px auto;
}

.site-header,
.site-footer {
    text-align: center;
}

.site-header nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.8rem 1.05rem;
}

.site-header nav a {
    font-size: 0.94rem;
}

main {
    margin-top: 2rem;
}

.site-footer {
    margin-top: 2.5rem;
    color: var(--muted);
    font-size: 0.82rem;
}

.site-footer p {
    margin: 0;
}

h1,
h2,
h3,
h4 {
    color: var(--ink);
    font-weight: 500;
    letter-spacing: -0.02em;
}

h1,
h2 {
    margin: 0 0 1rem;
    font-size: 1.3rem;
    line-height: 1.28;
}

h3 {
    margin: 1.75rem 0 0.45rem;
    font-size: 1.05rem;
}

h4 {
    margin: 1.5rem 0 0.45rem;
    font-size: 1rem;
}

p,
ul,
ol,
dl,
blockquote,
figure,
pre,
table {
    margin: 0 0 1.25rem;
}

ul,
ol {
    padding-left: 1.25rem;
}

li + li {
    margin-top: 0.35rem;
}

hr {
    height: 1px;
    margin: 2rem 0;
    border: 0;
    background: var(--rule);
}

code,
pre {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

code {
    padding: 0.08em 0.3em;
    border: 1px solid var(--code-border);
    border-radius: 3px;
    background: var(--code-background);
    font-size: 0.85em;
}

pre {
    overflow-x: auto;
    padding: 0.8rem;
    border: 1px solid var(--rule);
    background: var(--surface);
    line-height: 1.45;
}

pre code {
    padding: 0;
    border: 0;
    background: transparent;
    font-size: 0.8rem;
}

.codehilite {
    overflow-x: auto;
    border: 1px solid var(--rule);
    background: var(--codehilite);
}

.codehilite pre {
    margin: 0;
    overflow: visible;
    border: 0;
    background: transparent;
}

.codehilite .hll { background: var(--syntax-highlight); }
.codehilite .c,
.codehilite .ch,
.codehilite .cm,
.codehilite .cp,
.codehilite .cpf,
.codehilite .c1,
.codehilite .cs { color: var(--syntax-comment); font-style: italic; }
.codehilite .err,
.codehilite .gr { color: var(--syntax-error); }
.codehilite .k,
.codehilite .kc,
.codehilite .kd,
.codehilite .kn,
.codehilite .kp,
.codehilite .kr,
.codehilite .kt,
.codehilite .ow { color: var(--syntax-keyword); font-weight: 600; }
.codehilite .o,
.codehilite .p { color: var(--syntax-punctuation); }
.codehilite .m,
.codehilite .mb,
.codehilite .mf,
.codehilite .mh,
.codehilite .mi,
.codehilite .mo,
.codehilite .il { color: var(--syntax-number); }
.codehilite .s,
.codehilite .sa,
.codehilite .sb,
.codehilite .sc,
.codehilite .dl,
.codehilite .sd,
.codehilite .s2,
.codehilite .se,
.codehilite .sh,
.codehilite .si,
.codehilite .sx,
.codehilite .sr,
.codehilite .s1,
.codehilite .ss { color: var(--syntax-string); }
.codehilite .na,
.codehilite .nf,
.codehilite .fm { color: var(--syntax-name); }
.codehilite .nb,
.codehilite .bp,
.codehilite .ne { color: var(--syntax-keyword); }
.codehilite .nc,
.codehilite .nn { color: var(--syntax-class); font-weight: 600; }
.codehilite .no,
.codehilite .nv,
.codehilite .vc,
.codehilite .vg,
.codehilite .vi,
.codehilite .vm { color: var(--syntax-variable); }
.codehilite .nd,
.codehilite .ni,
.codehilite .nl { color: var(--syntax-decorator); font-weight: 600; }
.codehilite .nt { color: var(--syntax-keyword); font-weight: 600; }
.codehilite .w { color: var(--syntax-whitespace); }

table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
    border-collapse: collapse;
}

th,
td {
    padding: 0.45rem 0.65rem;
    border: 1px solid var(--rule);
    text-align: left;
    vertical-align: top;
}

th {
    background: var(--surface);
    font-weight: 500;
}

blockquote {
    padding-left: 1rem;
    border-left: 2px solid var(--rule);
    color: var(--subtle-text);
}

.lede {
    color: var(--subtle-text);
}

.muted {
    color: var(--muted);
    font-size: 0.9em;
}

.broken-reference {
    color: var(--muted);
}

.collection-list {
    padding: 0;
    list-style: none;
}

.collection-list > li {
    padding: 1rem 0;
    border-top: 1px solid var(--rule);
}

.collection-list > li:last-child {
    border-bottom: 1px solid var(--rule);
}

.collection-list p {
    margin: 0;
}

.collection-list p + p {
    margin-top: 0.28rem;
}

.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin: 1.4rem 0 0.7rem;
}

.filter-link {
    padding: 0;
    border: 0;
    border-bottom: 2px solid transparent;
    background: transparent;
    color: var(--link);
    cursor: pointer;
    font: inherit;
    font-weight: 500;
}

.filter-link.is-inactive {
    color: var(--muted);
}

.filter-link:hover {
    border-bottom-color: currentColor;
}

.filter-empty {
    color: var(--muted);
}

.detail-page > section + section,
.resume-content > section + section {
    margin-top: 2rem;
}

.detail-page > section + section::before,
.resume-content > section + section::before {
    content: "⌘ ⌘ ⌘";
    display: block;
    margin-bottom: 2rem;
    color: var(--muted);
    text-align: center;
}

dl {
    display: grid;
    grid-template-columns: minmax(7rem, 32%) 1fr;
    gap: 0.25rem 1rem;
}

dt {
    color: var(--muted);
}

dd {
    margin: 0;
}

@media (min-width: 603px) {
    .writing-detail-page > .blog-details > dl,
    .writing-detail-page > .writeup-details > dl {
        grid-template-columns: max-content 1fr;
    }
}

.resume-content .title {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 1.5rem;
    align-items: start;
}

.resume-content .title h1 {
    margin-bottom: 0.25rem;
    font-size: 1.7rem;
}

.resume-content .title header > p {
    margin-bottom: 0.2rem;
}

.resume-content .title header > a {
    display: inline-block;
    margin-bottom: 0.2rem;
}

.resume-content .title figure {
    margin: 0;
}

.resume-content .title img {
    display: block;
    width: 140px;
    max-width: 100%;
    height: auto;
}

.resume-content .skills > h2 {
    margin-bottom: 1rem;
}

.resume-content .skills > dl + dl {
    margin-top: 1.2rem;
}

.resume-content .certifications dd {
    overflow-wrap: anywhere;
}

.home-work-list {
    padding: 0;
    list-style: none;
}

.home-work-list li {
    display: grid;
    grid-template-columns: minmax(7rem, 32%) 1fr;
    gap: 1rem;
    padding: 0.6rem 0;
    border-top: 1px solid var(--rule);
}

.home-work-list li:last-child {
    border-bottom: 1px solid var(--rule);
}

.contributions {
    margin-top: 1.5rem;
}

#github-contrib-calendar {
    max-width: 100%;
    overflow-x: auto;
}

.contrib-grid {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: min-content;
    gap: 2px;
    width: max-content;
}

.contrib-week {
    display: grid;
    grid-template-rows: repeat(7, 10px);
    gap: 2px;
}

.contrib-day {
    width: 10px;
    height: 10px;
    background: var(--contrib-empty);
}

.intensity-1 { background: var(--contrib-1); }
.intensity-2 { background: var(--contrib-2); }
.intensity-3 { background: var(--contrib-3); }
.intensity-4 { background: var(--link); }

.prose > :last-child {
    margin-bottom: 0;
}

.prose img,
.prose video,
.prose svg {
    display: block;
    max-width: 100%;
    height: auto;
}

.prose .markdown-image,
.prose .processed-image {
    width: auto;
    max-width: 100%;
    object-fit: contain;
}

.prose figure {
    max-width: 100%;
}

.prose .mermaid {
    overflow-x: auto;
    padding: 1rem 0;
}

.prose .ascii-figure,
.prose .dither-figure,
.prose .image-effect-figure {
    overflow-x: auto;
}

.prose .ascii-figure {
    container-type: inline-size;
    overflow-x: hidden;
}

.prose .image-effect-figure .processed-image {
    margin-inline: auto;
}

.prose .ascii-art {
    display: block;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    padding: 0.75rem;
    border: 1px solid var(--rule);
    background: var(--surface);
    font-size: clamp(3px, 1.45cqw, 9px);
    line-height: 1;
}

/* The existing content TOC remains available, but is visually quiet. */
.toc-island {
    position: fixed;
    right: 0;
    left: 0;
    width: max-content;
    max-width: calc(100vw - 2rem);
    margin-inline: auto;
    bottom: 1rem;
    z-index: 10;
}

.toc-island-backdrop {
    position: fixed;
    inset: 0;
    border: 0;
    background: transparent;
}

.toc-island-pill,
.toc-island-close,
.toc-island-item {
    border: 1px solid var(--rule);
    background: var(--background);
    color: var(--ink);
    font: inherit;
    cursor: pointer;
}

.toc-island-pill {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    min-height: 2.25rem;
    padding: 0.4rem 0.55rem;
    box-shadow: 0 2px 10px var(--shadow);
    font-size: 0.82rem;
}

.toc-island-marker {
    width: 0.45rem;
    height: 0.45rem;
    background: var(--link);
}

.toc-island-progress {
    color: var(--link);
}

.toc-island-progress-track {
    stroke: var(--rule);
}

.toc-island-progress-value {
    stroke: currentColor;
}

.toc-island-menu {
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: min(22rem, calc(100vw - 2rem));
    max-height: min(32rem, calc(100vh - 2rem));
    overflow: auto;
    border: 1px solid var(--rule);
    background: var(--background);
    box-shadow: 0 3px 18px var(--shadow);
}

.toc-island-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.7rem 0.8rem;
    border-bottom: 1px solid var(--rule);
    font-size: 0.85rem;
}

.toc-island-close {
    display: grid;
    width: 2rem;
    height: 2rem;
    place-items: center;
}

.toc-island-list {
    padding: 0.35rem;
}

.toc-island-item {
    display: flex;
    width: 100%;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.5rem 0.55rem 0.5rem calc(0.55rem + var(--toc-indent, 0px));
    border: 0;
    text-align: left;
    font-size: 0.85rem;
}

.toc-island-item:hover,
.toc-island-item.is-active {
    background: var(--toc-hover);
}

.theme-toggle {
    display: inline-grid;
    width: 1.5rem;
    height: 1.5rem;
    place-items: center;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--ink);
    cursor: pointer;
    transition: transform 0.48s cubic-bezier(0.2, 1.2, 0.35, 1), background-color 0.42s cubic-bezier(0.22, 1, 0.36, 1), color 0.42s cubic-bezier(0.22, 1, 0.36, 1);
}

.theme-toggle:hover {
    transform: scale(1.05);
}

.theme-toggle:active {
    transform: scale(0.86);
}

.theme-toggle-icon {
    width: 1rem;
    height: 1rem;
    overflow: visible;
    transform: translateY(-1px) rotate(0deg);
    transition: transform 0.5s cubic-bezier(0.2, 1.2, 0.28, 1);
}

[data-theme="dark"] .theme-toggle-icon {
    transform: translateY(-1px) rotate(270deg);
}

.theme-toggle-body {
    r: 5px;
    transition: r 0.5s cubic-bezier(0.2, 1.2, 0.28, 1);
}

[data-theme="dark"] .theme-toggle-body {
    r: 9px;
}

.theme-toggle-mask-cutout {
    cx: 33px;
    cy: 0;
    transition: cx 0.5s cubic-bezier(0.2, 1.2, 0.28, 1), cy 0.5s cubic-bezier(0.2, 1.2, 0.28, 1);
}

[data-theme="dark"] .theme-toggle-mask-cutout {
    cx: 17px;
    cy: 8px;
}

.theme-toggle-rays {
    opacity: 1;
    transform-box: fill-box;
    transform-origin: center;
    transition: opacity 0.42s cubic-bezier(0.22, 1, 0.36, 1), transform 0.5s cubic-bezier(0.2, 1.2, 0.28, 1);
}

[data-theme="dark"] .theme-toggle-rays {
    opacity: 0;
    transform: rotate(-30deg) scale(0);
}

#click-container {
    position: fixed;
    z-index: 100;
    inset: 0;
    pointer-events: none;
}

.click-animation {
    position: absolute;
    translate: -50% -50%;
    color: var(--click-text-color);
    font-family: "SuisseIntl", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 14px;
    line-height: 1;
    user-select: none;
    pointer-events: none;
    animation: click-fade 1s ease-out forwards;
    will-change: transform, opacity;
}

@keyframes click-fade {
    0% { opacity: 0; transform: translate3d(0, 6px, 0) rotate(var(--click-tilt, 0deg)) scale(0.96); }
    15% { opacity: 1; transform: translate3d(calc(var(--click-drift, 0px) * 0.18), -3px, 0) rotate(calc(var(--click-tilt, 0deg) * 0.8)) scale(1); }
    100% { opacity: 0; transform: translate3d(var(--click-drift, 0px), -26px, 0) rotate(var(--click-tilt, 0deg)) scale(1.02); }
}

.toc-island-item-bullet {
    width: 0.38rem;
    height: 0.38rem;
    flex: 0 0 auto;
    margin-top: 0.45rem;
    background: var(--link);
    opacity: 0;
}

.toc-island-item.is-active .toc-island-item-bullet {
    opacity: 1;
}

@media (max-width: 602px) {
    .site-shell {
        width: 90%;
        margin-top: 20px;
    }

    .resume-content .title {
        grid-template-columns: minmax(0, 1fr) auto;
        gap: 1rem;
    }

    .resume-content .title img {
        width: 118px;
    }

    dl,
    .home-work-list li {
        grid-template-columns: 1fr;
        gap: 0.08rem;
    }

    dd {
        margin-bottom: 0.65rem;
    }

    .home-work-list {
        margin-bottom: 1.25rem;
    }

    .toc-island {
        bottom: 0.75rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .theme-toggle,
    .click-animation {
        transition: none;
        animation: none;
    }
}