:root {
  --color-background: #fffdfb;
  --theme1-light: #F6D8CB;
  --theme1-medium: #D0A694;
  --theme1-dim: #B07D67;
  --theme1-dark: #8A5843;
  --theme2-light: #B1B1C2;
  --theme2-medium: #8888A4;
  --theme2-dim: #66658C;
  --theme2-dark: #484776;
  --theme3-light: #FFF8E4;
  --theme3-medium: #EBDFBB;
  --theme3-dim: #C8B887;
  --theme3-dark: #A8955A;
  --theme4-light: #AABEB6;
  --theme4-medium: #7FA093;
  --theme4-dim: #5C8876;
  --theme4-dark: #3D725D;
  --font-dark: #202424; }

html, body {
  margin: 0;
  padding: 0; }

body {
  margin: 0 auto;
  font-family: 'Poppins', sans-serif;
  background: var(--color-background); }
  body:before {
    display: none; }

ul, li {
  list-style: none;
  padding: 0; }

a {
  text-decoration: none; }

#sidebar {
  display: none; }

#about, #contents, #footer {
  text-align: center; }

#about {
  width: 100%;
  z-index: 2; }
  #about .profile-zone {
    width: 100%;
    position: relative;
    margin: 3rem auto;
    background-color: var(--theme4-medium); }
    #about .profile-zone:before {
      content: "";
      position: absolute;
      width: 100%;
      height: 4rem;
      top: -4rem;
      left: 0;
      background: var(--color-background); }
  #about .profile-zone .profile-img {
    width: 192px;
    aspect-ratio: 1.0;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 4px solid var(--theme3-dark); }
  #about .profile-zone .personal-info {
    width: 100%;
    height: 200px;
    margin: auto;
    columns: 2;
    line-height: 250%;
    padding: 1rem 0;
    display: grid;
    grid-template-rows: repeat(5, 40px);
    grid-template-columns: repeat(2, 50%);
    grid-auto-flow: column; }
  #about .profile-zone .personal-info span {
    color: white;
    display: inline-flex;
    font-size: 0;
    vertical-align: middle;
    clip-path: inset(0 100% 0 0);
    transition: font-size .6s ease-in-out, clip-path .4s;
    transition-delay: 0s, .45s;
    transition-property: font-size, clip-path; }
  #about .profile-zone .personal-info img {
    width: 20px;
    aspect-ratio: 1.0;
    cursor: pointer;
    vertical-align: middle;
    transition: all .75s;
    filter: invert(10%) sepia(4%) saturate(5321%) hue-rotate(201deg) brightness(99%) contrast(90%); }
  #about .profile-zone .personal-info a {
    display: inline-flex;
    cursor: pointer; }
    #about .profile-zone .personal-info a:hover img {
      width: 28px;
      filter: brightness(0) saturate(100%) invert(77%) sepia(47%) saturate(1006%) hue-rotate(358deg) brightness(104%) contrast(105%); }
  #about .profile-zone .personal-info li {
    height: 40px; }
  #about .profile-zone .personal-info li:nth-child(n+1):nth-child(-n+5) {
    text-align: right; }
    #about .profile-zone .personal-info li:nth-child(n+1):nth-child(-n+5) img {
      order: 1;
      margin-right: 0.5rem; }
    #about .profile-zone .personal-info li:nth-child(n+1):nth-child(-n+5) div {
      order: 2; }
  #about .profile-zone .personal-info li:nth-child(n+6):nth-child(-n+10) {
    text-align: left; }
    #about .profile-zone .personal-info li:nth-child(n+6):nth-child(-n+10) img {
      order: 2;
      margin-left: 0.5rem; }
    #about .profile-zone .personal-info li:nth-child(n+6):nth-child(-n+10) div {
      order: 1; }
  #about .profile-zone .personal-info li:nth-child(1) {
    margin-right: 5.25rem; }
  #about .profile-zone .personal-info li:nth-child(2) {
    margin-right: 6.25rem; }
  #about .profile-zone .personal-info li:nth-child(3) {
    margin-right: 6.75rem; }
  #about .profile-zone .personal-info li:nth-child(4) {
    margin-right: 6.25rem; }
  #about .profile-zone .personal-info li:nth-child(5) {
    margin-right: 5.25rem; }
  #about .profile-zone .personal-info li:nth-child(6) {
    margin-left: 5.25rem; }
  #about .profile-zone .personal-info li:nth-child(7) {
    margin-left: 6.25rem; }
  #about .profile-zone .personal-info li:nth-child(8) {
    margin-left: 6.75rem; }
  #about .profile-zone .personal-info li:nth-child(9) {
    margin-left: 6.25rem; }
  #about .profile-zone .personal-info li:nth-child(10) {
    margin-left: 5.25rem; }
  #about .name-zone {
    margin-top: -2rem; }
  #about .name-zone h1,
  #about .name-zone h2 {
    margin: 0; }
  #about .name-zone h1 {
    color: var(--theme3-dark); }
  #about .name-zone h2 {
    color: var(--theme4-dark); }

#contents {
  width: 85%;
  margin-left: 7.5%;
  text-align: left; }
  #contents ul {
    margin-bottom: 3rem; }
  #contents li {
    margin-top: 2rem;
    line-height: 100%; }
  #contents .subject-name {
    margin: 3rem auto;
    color: var(--font-dark);
    position: relative;
    margin-left: -16px;
    margin-bottom: 0;
    padding-bottom: 12px;
    border-bottom: 1px solid; }
    #contents .subject-name div {
      width: 32px;
      aspect-ratio: 1.0;
      margin-right: 8px;
      margin-left: 0;
      transform: translateY(6px);
      display: inline-flex; }
  #contents .subject-icon {
    width: 32px;
    aspect-ratio: 1.0;
    vertical-align: sub;
    filter: invert(27%) sepia(2%) saturate(3297%) hue-rotate(8deg) brightness(92%) contrast(82%); }
  #contents .item {
    position: relative; }
  #contents .item:nth-child(1) {
    margin-top: -0.5rem; }
  #contents .content-header + ul {
    margin-top: -1rem; }
  #contents .subject, #contents .item {
    opacity: 0;
    transition: all 0.8s;
    transform: translateY(40px); }
  #contents .appear {
    opacity: 1;
    transform: none;
    transition-delay: 0.3s; }
  #contents .content-header {
    display: table;
    width: 100%;
    position: relative;
    margin: 1rem auto; }
    #contents .content-header:before {
      content: "";
      position: absolute;
      visibility: hidden;
      top: 6px;
      left: -56px;
      width: 16px;
      aspect-ratio: 1.0;
      background: var(--theme3-dark);
      border-radius: 50%; }
    #contents .content-header p, #contents .content-header span {
      line-height: 150%; }
    #contents .content-header p {
      font-weight: 600;
      font-size: 16px;
      color: var(--font-dark); }
  #contents .content-date {
    font-size: 14px;
    width: 224px;
    text-align: left; }
  #contents .content-date img {
    width: 20px;
    aspect-ratio: 1.0;
    margin-right: 8px;
    vertical-align: sub; }
  #contents .subitem {
    list-style: square;
    margin-left: 2rem;
    margin-top: 0.5rem; }
  #contents em {
    padding: 0 4px 0 1px; }
  #contents a {
    color: var(--theme4-dark);
    text-decoration: underline 1px;
    text-underline-position: under; }
  #contents p {
    line-height: 150%; }
  #contents code {
    margin: 0 2px;
    padding: 1px 5px;
    font-size: 14px;
    border: 1px solid var(--theme3-dim);
    background-color: var(--color-background);
    border-radius: 3px;
    font-family: 'Courier New', Courier, monospace;
    color: var(--font-dark);
    position: relative;
    top: -1px;
    vertical-align: middle; }
  #contents img[alt="devicon"] {
    height: 60px;
    width: 60px; }
  #contents ul + p {
    margin-top: -2rem; }
  #contents .content-header + .item {
    margin-top: 0; }
  #contents img {
    aspect-ratio: auto;
    max-width: 320px; }

#footer {
  padding: 1rem;
  background: var(--theme3-medium);
  font-size: 14px; }
  #footer a {
    color: var(--theme1-dark);
    font-weight: 600; }

@media (min-width: 768px) {
  body::before {
    content: "";
    display: block;
    position: fixed;
    left: calc(50% - min(512px, 33%) - 50px);
    width: 3px;
    height: 100%;
    margin-top: -64px;
    background: var(--theme3-medium); }

  #about {
    margin-bottom: 6rem; }
    #about .profile-zone {
      margin: 4rem auto; }
    #about .profile-zone .profile-img {
      width: 256px; }
    #about .profile-zone .personal-info {
      min-width: 768px; }
    #about .profile-zone .personal-info a:hover span {
      font-size: 1rem;
      clip-path: inset(0 0 0 0); }
    #about .profile-zone .personal-info li:nth-child(1) {
      margin-right: 7.25rem; }
    #about .profile-zone .personal-info li:nth-child(2) {
      margin-right: 8.25rem; }
    #about .profile-zone .personal-info li:nth-child(3) {
      margin-right: 8.75rem; }
    #about .profile-zone .personal-info li:nth-child(4) {
      margin-right: 8.25rem; }
    #about .profile-zone .personal-info li:nth-child(5) {
      margin-right: 7.25rem; }
    #about .profile-zone .personal-info li:nth-child(6) {
      margin-left: 7.25rem; }
    #about .profile-zone .personal-info li:nth-child(7) {
      margin-left: 8.25rem; }
    #about .profile-zone .personal-info li:nth-child(8) {
      margin-left: 8.75rem; }
    #about .profile-zone .personal-info li:nth-child(9) {
      margin-left: 8.25rem; }
    #about .profile-zone .personal-info li:nth-child(10) {
      margin-left: 7.25rem; }

  #contents {
    width: 78%;
    margin-left: 17%; }
    #contents img {
      max-width: 640px; }
    #contents .subject {
      margin-top: 6rem; }
    #contents .item:nth-child(1) {
      margin-top: 2rem; }
    #contents .item ul {
      margin-top: 0; }
    #contents .subject-name {
      margin-left: auto;
      margin-bottom: 3rem;
      padding: 0;
      border: none; }
      #contents .subject-name div {
        background: var(--theme3-dim);
        border-radius: 50%;
        position: absolute;
        top: -16px;
        padding: 8px;
        margin-right: 24px;
        margin-left: -72px;
        transform: none;
        display: inline-table; }
    #contents .content-date {
      font-size: 16px; }
    #contents .content-date img {
      width: 24px; }
    #contents .content-header p {
      font-size: 18px; }
    #contents .content-header:before {
      visibility: visible !important; }
    #contents .content-header p,
    #contents .content-date {
      display: table-cell; } }
@media (min-width: 1024px) {
  #about {
    margin-bottom: 8rem; }

  #sidebar {
    display: block;
    position: fixed;
    width: 128px;
    top: 320px;
    right: 0;
    z-index: 1;
    font-size: 14px; }
    #sidebar li {
      margin: 6px;
      margin-right: 0;
      padding: 4px 24px 4px 12px;
      border-radius: 8px 0 0 8px;
      background: var(--theme3-medium);
      transition: all 0.5s;
      cursor: pointer; }
      #sidebar li a {
        color: var(--font-dark);
        text-shadow: 1px 1px 1px rgba(255, 255, 255, 0.75); }
    #sidebar li:hover, #sidebar li.active {
      padding-left: 24px;
      padding-right: 12px;
      background: var(--theme1-medium); }
      #sidebar li:hover a, #sidebar li.active a {
        color: var(--font-dark); }

  #contents {
    width: 66%;
    margin: auto;
    max-width: 1024px; }
    #contents img {
      max-width: 100%; } }