@charset "utf-8";
@import url("https://fonts.googleapis.com/css2?family=M+PLUS+1p:wght@400;700&family=Tilt+Neon&display=swap");

:root {
  --primary-color: #f4f7ff;
  --primary-inverse-color: #03050a;
  --accent-color: #f40;
  --accent-secondary: #09fbd3;
  --global-space: 3vw;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  font-size: 13px;
}

@media screen and (min-width: 900px) {
  html,
  body {
    font-size: 16px;
  }
}

body {
  margin: 0;
  padding: 0;
  font-family: "M PLUS 1p", "ヒラギノ丸ゴ Pro", "Hiragino Maru Gothic Pro",
    "メイリオ", Meiryo, Osaka, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
  font-weight: 400;
  -webkit-text-size-adjust: none;
  background: radial-gradient(
      circle at top,
      rgba(9, 251, 211, 0.15),
      transparent 55%
    ),
    radial-gradient(circle at 20% 20%, rgba(255, 64, 0, 0.15), transparent 45%),
    var(--primary-inverse-color);
  color: var(--primary-color);
  line-height: 3;
  animation: fadein 0.2s 0.5s both;
}

@keyframes fadein {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

a {
  color: inherit;
  transition: 0.3s;
}

a:hover {
  opacity: 0.7;
}

table {
  border-collapse: collapse;
}

img {
  border: none;
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

#container {
  padding-left: var(--global-space);
  padding-right: var(--global-space);
}

header {
  padding-top: var(--global-space);
  padding-bottom: var(--global-space);
  text-align: center;
}

@media screen and (min-width: 901px) {
  header {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
}

#logo {
  margin: 0;
  padding: 0;
  font-size: 1.7rem;
}

#logo a {
  text-decoration: none;
  display: block;
}

.neon {
  font-family: "Tilt Neon", cursive;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: #fff;
  text-shadow: -0.1em -0.1em 0.6em #fff, 0.1em 0.1em 0.6em #fff,
    0 0 1.2em var(--accent-color), 0 0 2em var(--accent-color),
    0 0 3em var(--accent-color);
  animation: flicker 1.5s infinite;
}

@keyframes flicker {
  0%,
  19%,
  21%,
  23%,
  25%,
  54%,
  56%,
  100% {
    opacity: 1;
  }
  20%,
  24%,
  55% {
    opacity: 0.3;
  }
}

#mainimg {
  margin-bottom: var(--global-space);
}

#contents {
  display: flex;
  gap: var(--global-space);
}

main {
  flex: 1;
  line-height: 1.5;
}

main h2 {
  margin-top: 0;
  line-height: 1;
  padding-bottom: 1rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--primary-color);
}

main section:first-of-type {
  margin-top: 2.5rem;
}

.ta1 {
  table-layout: fixed;
  width: 100%;
  margin-bottom: 2rem;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 1rem;
  overflow: hidden;
}

.ta1,
.ta1 td,
.ta1 th {
  border: 1px solid rgba(244, 247, 255, 0.2);
  padding: 1rem;
  word-break: break-all;
}

.ta1 th {
  width: 25%;
  text-align: left;
  color: var(--accent-secondary);
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  text-transform: uppercase;
}

.ta1 td {
  font-size: 1.05rem;
  color: var(--primary-color);
}

.ta1 tr:nth-child(even) td {
  background: rgba(9, 251, 211, 0.05);
}

footer {
  font-size: 0.8rem;
  text-align: center;
  padding-top: 5rem;
}

footer small {
  font-size: 100%;
}

footer a {
  color: inherit;
  text-decoration: none;
}

.pagetop-show {
  display: block;
}

.pagetop a {
  display: block;
  text-decoration: none;
  text-align: center;
  z-index: 99;
  position: fixed;
  right: 20px;
  bottom: 20px;
  color: #fff;
  background: rgba(0, 0, 0, 0.2);
  width: 60px;
  line-height: 60px;
}