/* 遁世 feat. 447_prisoner */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@100..900&display=swap');

* {
  box-sizing: border-box;
  font-family: "Noto Sans JP", sans-serif;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
  padding: 0;
  margin: 0;
}

:root {
  --color-background: #0e0e1f;
  --color-background-body: #334;
  --color-text: #ddf;
  --color-link-hover: mediumblue;
  --color-link-active: orangered;
}

html, body {
  height: 100%;
  background-color: var(--color-background-body);
}

body * {
  color: var(--color-text);
}

header {
  height: 6em;
  padding: 1.5em;
  background-color: var(--color-background);
}

header a {
  text-decoration: none;
  color: var(--color-text);
}

main {
  padding: 2em;
  color: var(--color-text);
}

@media screen and (max-width:768px) {
  main {
    padding: 2em 2vw;
  }
}
  
@media screen and (max-width:1279px) {
  main {
    padding: 2em 3vw;
  }
}
  
@media screen and (min-width:1280px) {
  main {
    padding: 2em 4vw;
  }
}

main section:not(:first-child) {
  margin-top: 2em;
}

main h2 {
  padding: 0.5em 0;
}

main a {
  display: inline-block;
  text-decoration: underline;
  color: var(--color-text);
}

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

main a:active {
  color: var(--color-link-active);
}

li {
  list-style: none;
}

.whole-width-list {
  width: 100%;
}

  .whole-width-list li {
    background-image: radial-gradient(circle at left bottom, #223 0%, #99A 70% 85%, #667 90%, var(--color-background-body) 100%);
    font-size: large;
    display: block;
    margin: 0.2em 0;
    border: 2px solid;
    border-image: linear-gradient(to right, #777782, #6161ff 70%, var(--color-background-body) 100%) 1;
  }

  .whole-width-list li a {
    display: block;
    color: #eee;
    text-decoration: none;
    width: 100%;
    height: 100%;
    padding: 1em;
  }

  .whole-width-list li a > small {
    font-size: 0.75em;
    color: #99e;
    text-shadow: 0px 1px 2px #116;
  }

  .whole-width-list li:hover {
    background-image: radial-gradient(circle at left bottom, #227 0%, #99E 70% 85%, #66A 90%, var(--color-background-body) 100%);
  }

footer {
  bottom: 0;
  padding: 1em;
  background-color: var(--color-background);
}

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

footer a:active {
  color: var(--color-link-active);
}

body > footer {
  -webkit-position: sticky;
  position: sticky;
  top: 100vh;
  height: 3em;
}