@font-face {
  font-family: "MaruMinya";
  font-display: swap;
  src: url("/fonts/x12y12pxMaruMinya.ttf") format("truetype");
}

:root {
  color-scheme: light;
  --font-sans:
    -apple-system,
    BlinkMacSystemFont,
    "Hiragino Sans",
    "Hiragino Kaku Gothic ProN",
    "Yu Gothic",
    "Noto Sans JP",
    Meiryo,
    sans-serif;
  --font-accent: "MaruMinya", var(--font-sans);
  --font-body: 400 1.02rem/1.86 var(--font-sans);
  --font-body-bold: 700 1.02rem/1.72 var(--font-sans);
  --font-ui: 500 0.94rem/1.55 var(--font-sans);
  --font-ui-bold: 700 0.94rem/1.55 var(--font-sans);
  --font-small: 500 0.86rem/1.55 var(--font-sans);
  --font-title: 700 clamp(1.32rem, 1.05rem + 1.2vw, 1.84rem)/1.42 var(
    --font-sans
  );
  --font-display: 700 clamp(1.95rem, 1.5rem + 2.6vw, 3.35rem)/1.22 var(
    --font-sans
  );
  --font-title-spacing: 0;
  --font-display-spacing: 0;
  --font-body-spacing: 0;
  --color-base: #42526b;
  --color-text: #42526b;
  --color-dim: #7b879c;
  --color-line: #dbe7ee;
  --color-highlight: #f5fbfd;
  --color-primary: #5c96b8;
  --color-link: #4f86a7;
  --color-link-hover: #c2779a;
  --color-surface: #ffffff;
  --color-pastel-blue: #dff1f8;
  --color-pastel-pink: #f8dfe9;
  --color-pastel-mint: #dff4ea;
  --color-pastel-lavender: #e9e4f8;
  --border-radius: 8px;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --color-base: #e8edf4;
  --color-text: #d8e0ea;
  --color-dim: #a7b3c4;
  --color-line: #344254;
  --color-highlight: #1b2634;
  --color-primary: #9bc7dd;
  --color-link: #a8cfe2;
  --color-link-hover: #f0b7cf;
  --color-surface: #121a24;
  --color-pastel-blue: #223848;
  --color-pastel-pink: #462939;
  --color-pastel-mint: #233a32;
  --color-pastel-lavender: #332d49;
}

body {
  background:
    linear-gradient(180deg, var(--color-pastel-blue), transparent 18rem),
    var(--color-surface);
  color: var(--color-text);
  font: var(--font-body);
  letter-spacing: 0;
}

a {
  color: var(--color-link);
  text-underline-offset: 0.2em;
  text-decoration-thickness: 0.08em;
}

a:hover {
  color: var(--color-link-hover);
}

.navbar {
  padding: 1.5rem min(5vw, 4rem);
}

.navbar-home {
  color: var(--color-base);
  font: var(--font-ui-bold);
}

.author-name,
.header-title {
  font-family: var(--font-accent);
}

.navbar-links {
  gap: 1rem;
}

.button {
  border-color: var(--color-line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--color-surface) 72%, transparent);
}

main {
  max-width: min(100% - 12vw, 46rem);
  padding: clamp(2rem, 5vw, 3.8rem) 0;
}

.body {
  font: var(--font-body);
}

.page-header {
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.page-title {
  color: var(--color-base);
}

.postList article.post {
  padding: 1.25rem 0 1.45rem;
  border-bottom: 1px solid var(--color-line);
}

.postList article.post + article.post {
  margin-top: 1.2rem;
}

.postList article.post:last-child {
  border-bottom: 0;
}

.post-title {
  margin-bottom: 0.45em;
}

.post-title a {
  color: var(--color-base);
}

.post-title a:hover {
  color: var(--color-link-hover);
}

.post-details {
  color: var(--color-dim);
}

.badge {
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: var(--color-pastel-mint);
  color: var(--color-base);
  padding: 0.12em 0.58em;
  text-decoration: none;
}

.post-tags .badge:nth-child(2n) {
  background: var(--color-pastel-pink);
}

.post-tags .badge:nth-child(3n) {
  background: var(--color-pastel-lavender);
}

.post-link {
  margin-top: 0.4rem;
  font: var(--font-ui-bold);
}

.archive-link {
  margin-top: clamp(2rem, 5vw, 3.5rem);
  font: var(--font-ui-bold);
}

.post-body {
  margin-top: clamp(2rem, 4vw, 3rem);
}

.post-body h1,
.post-body h2,
.post-body h3 {
  color: var(--color-base);
  letter-spacing: 0;
}

.post-body h1 {
  font: var(--font-title);
  margin-top: 2.4em;
}

.post-body h2 {
  border-bottom: 3px solid var(--color-pastel-pink);
  font-size: 1.36rem;
  line-height: 1.48;
  margin-top: 2.8em;
  padding-bottom: 0.28em;
}

.post-body h3 {
  font-size: 1.12rem;
  line-height: 1.58;
  margin-top: 2.2em;
}

.post-body p,
.post-body li {
  line-height: 1.86;
}

.post-body img {
  border-radius: var(--border-radius);
  border: 1px solid var(--color-line);
}

.post-body code {
  border-radius: 5px;
  background: var(--color-highlight);
  color: var(--color-base);
}

.toc {
  border: 1px solid var(--color-line);
  border-radius: var(--border-radius);
  background: var(--color-highlight);
  padding: 1rem 1.2rem;
}

.toc h2 {
  font: var(--font-ui-bold);
  margin-top: 0;
}

.pagination a {
  border-radius: var(--border-radius);
  background: var(--color-highlight);
  text-decoration: none;
}

.amazon-widget {
  margin: 2rem 0;
  max-width: 480px;
  position: relative;
}

.amazon-widget a {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
}

.amazon-widget-img {
  border: 1px solid var(--color-line);
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  text-align: center;
}

.amazon-widget-img img {
  border: none;
  margin: 0 auto;
  max-height: 200px;
  padding: 16px;
}

.amazon-widget-info {
  border-right: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  border-left: 1px solid var(--color-line);
  border-radius: 0 0 var(--border-radius) var(--border-radius);
  padding: 8px 12px 12px;
}

.amazon-widget:hover .amazon-widget-info {
  background-color: var(--color-pastel-blue);
}

.amazon-widget-title {
  display: block;
  font-weight: bold;
}

.amazon-widget-via {
  color: var(--color-dim);
}

.amazon-widget-via img {
  display: inline;
  width: 18px;
  height: 18px;
  margin: 0;
  padding: 0;
  border: none;
  vertical-align: text-bottom;
}

@media (max-width: 560px) {
  :root {
    --font-body: 400 1rem/1.82 var(--font-sans);
    --font-body-bold: 700 1rem/1.65 var(--font-sans);
    --font-title: 700 1.28rem/1.45 var(--font-sans);
    --font-display: 700 1.9rem/1.26 var(--font-sans);
  }

  .navbar {
    padding: 1rem 6vw;
  }

  main {
    max-width: min(100% - 10vw, 46rem);
  }

  .post-body h2 {
    font-size: 1.24rem;
  }
}