/* colormode */

:root {
  /* azraq mode */
  --bg-gradient: repeating-linear-gradient(-45deg, #123 0px, #123 2px, #113 2px, #113 6px);
  /* イメージに代替するからか色だけ変数に置き換えると機能しなかった */

  --page-back: rgba(10, 10, 0, 0.4);
  --content-back: rgba(10, 10, 0, 0.7);
  --quote-back: rgba(255, 255, 255, 0.1);

  --text-color: #bbc;
  --text-shadow: #aad;
  --text-link: darkgoldenrod;

  --h1-color: #eef;
  --h1-shadow: rgba(255, 255, 255, 0.2);
  --h1-back: hsl(54, 70%, 35%);
  --h1-tail: hsl(54, 100%, 20%);

  --h2-label: rgba(255, 255, 100, 0.5);
}

body.sweet {
  /* sweet mode */
  --bg-gradient: repeating-linear-gradient(-45deg, #fea 0px, #fea 2px, #fdd 2px, #fdd 6px);

  --page-back: rgba(0, 0, 0, 0.1);
  --content-back: rgba(255, 255, 255, 0.6);
  --quote-back: rgba(0, 0, 0, 0.1);

  --text-color: #444;
  --text-shadow: #ba7;
  --text-link: navy;

  --h1-color: #666;
  --h1-shadow: rgba(0, 0, 0, 0.3);
  --h1-back: hsl(170, 60%, 67%);
  --h1-tail: hsl(170, 20%, 67%);

  --h2-label: rgba(60, 0, 0, 0.5);
}

/* universal  */

*,
*::before,
*::after {
  box-sizing: border-box;
  scroll-behavior: smooth;
  scroll-padding-top: 70px;
}

img {
  max-width: 100%;
}

dd,
ol,
ul {
  padding-left: 1rem;
}

blockquote {
  padding: 1rem;
  background-color: var(--quote-back);
  border-radius: 0.5rem;
}

/* forTocContent */
li.heading3 {
  margin-left: 1rem;
}

.toc > ul > li {
  margin-top: 0.6rem;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.6);
}

body.sweet .toc > ul > li {
  text-shadow: 1px 1px 4px rgba(255, 255, 255, 0.4);
}

body.sweet #sidebar {
  background-color: rgba(255, 255, 255, 0.75);
}

/* define root fontsize */

html {
  font-size: calc(10px + 1vw);
  font-family: "Montserrat", "Kosugi Maru", sans-serif;
  font-feature-settings: "palt" 1;
}
@media screen and (min-width: 600px) {
  html {
    font-size: 16px;
  }
}

/* for main content */

body {
  background-image: var(--bg-gradient);
  background-size: 8.5px 8.5px;
  line-height: 1.33;
  color: var(--text-color);
  text-shadow: 1px 1px 2px var(--text-shadow);
}

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

.mainBack {
  margin: 0.5rem;
  padding: 0.5rem;
  border-radius: 0.5rem;
  background-color: var(--pageBack);
  z-index: -1;
}

.mainContent {
  margin: auto;
  padding: 0.8rem;
  max-width: 760px;
  background-color: var(--content-back);
}

/* p {
	margin: 0.8rem 0;
} */

h1 {
  display: block;
  position: relative;
  width: fit-content;
  margin-left: -1.5rem;
  padding: 0.3rem 1rem 0.2rem 1.5rem;
  box-shadow: 1px 2px var(--h1-shadow);
  background-color: var(--h1-back);
  color: var(--h1-color);
  font-size: 1.5rem;
  text-shadow: none;
}
h1::before {
  content: "";
  position: absolute;
  bottom: -0.7rem;
  left: 0;
  width: 0;
  height: 0;
  border-right: solid 0.7rem var(--h1-tail);
  border-bottom: solid 0.7rem transparent;
  z-index: -1;
}

h2 {
  display: block;
  width: fit-content;
  margin-top: 1.5rem;
  padding-right: 1.2rem;
  padding-left: 0.6rem;
  border-bottom: dotted 0.2rem var(--h2-label);
  border-left: dotted 0.2rem var(--h2-label);
  font-size: 1.4rem;
  text-shadow: none;
}

h3 {
  margin-top: 1.5rem;
  font-size: 1.2rem;
  text-shadow: none;
}
h3::before {
  content: "■ ";
  font-size: 0.6em; /* h3の変更に耐えうる */
  vertical-align: middle;
}

/* markdown */

.markdown > * {
  opacity: 0;
  transition: opacity 1s 0.5s ease-in, transform 1s 0.5s;
  transform: translateY(1rem);
  margin-top: 0.8rem;
  padding-left: 1rem;
}


@media (max-width: 768px) {
  .markdown p, .markdown li{
    font-size: 0.9rem;
  }
}

.markdown img{
  max-height: 400px;
}

.markdown hr {
  opacity: 1;
  transform: translateY(0);
}

.markdown h2,
.markdown h3,
.markdown h4 {
  margin-top: 1.5rem;
  transition: opacity 1s ease-in, transform 1s;
  transform: translateX(2rem);
}

.markdown > .scrolled {
  opacity: 1;
  transform: translateY(0);
}

/* table design */
table {
  width: 100%;
  margin: 2rem 0;
  border-collapse: collapse;
  text-align: left;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

th{
  font-weight: bold;
  background-color: var(--h1-shadow);
}

th,
td {
  padding: 3px;
  border: 1px solid #ccc3;
}

@media (max-width: 768px) {
  table {
    font-size: 0.75rem;
  }
}

/* 入れ子が読みにくい対策 */
li ul{
  margin-left: 1rem;;
}

/* transition */

::view-transition-group(root) {
  animation: none;
}

::view-transition-old(root) {
  filter: blur(8px);
}

/* set variable for view transitions api for animejs */
:root {
  --view-transition-old-scale: 1;
}

::view-transition-old(root) {
  scale: var(--view-transition-old-scale);
}