:root {
  --bg-color: #030b1b;
  --text-color: #b0d0ff;
  --accent-color: #a0c0ff30;
  --terminal-color: #000011a0;
}

html {
  overflow: hidden;
}

body {
  background: linear-gradient(45deg, #000033, #000066);
  color: var(--text-color);
  font-size: 1.1rem;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100dvh;
  width: 100dvw;
  margin: 0;
  overflow: hidden;
  position: relative;
}

body,
pre {
  font-family: 'Share Tech Mono', 'Courier New', Courier, monospace;
}

header {
  width: 90%;
  max-width: calc(800px + 4rem);
  height: calc(12.5dvh - 2rem);
  padding: 0;
  margin: 0 auto;
  position: fixed;
  top: 0;
}

header img {
  padding-top: calc((12.5dvh - 2rem - 24px) / 2);
}

.terminal {
  width: calc(90% - 4rem);
  max-width: 800px;
  padding: 2rem;
  background: var(--terminal-color);
  border: 1px solid var(--accent-color);
  border-radius: 8px;
  height: 75dvh;
  z-index: 9999;
  overflow-y: auto;
}

@supports (-moz-appearance: none) {
  .terminal {
    scrollbar-width: thin;
    scrollbar-color: #223366 var(--terminal-color);
  }
}

.terminal::-webkit-scrollbar {
  width: 8px;
}

.terminal::-webkit-scrollbar-track {
  background: transparent;
}

.terminal::-webkit-scrollbar-thumb {
  background: #223366; /* 暗めの青 */
  border-radius: 4px;
}

.terminal::-webkit-scrollbar-thumb:hover {
  background: #335599; /* ホバー時に少し明るく */
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.fade-in {
  opacity: 0;
  animation: fadeIn 0.4s ease forwards;
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

input {
  background: none;
  border: none;
  outline: none;
  color: var(--text-color);
  font-family: inherit;
  font-size: inherit;
  line-height: 1.2; /* 追加：spanと同じ高さで統一 */
  padding: 0; /* 追加：上下ズレを防ぐ */
  margin: 0; /* 念のため */
  box-sizing: content-box; /* 入力内容のみにサイズ計算 */
  vertical-align: middle; /* ベースライン揃え */
  width: calc(100% - 1.5em);
  caret-color: var(--text-color);
  text-decoration: none;
}

.command {
  margin-left: 4px;
}

.log-line {
  display: flex;
  align-items: center;
  margin: 0.2em 0;
  line-height: 1.2;
}

.log-line span {
  font-size: inherit;
  line-height: 1.2;
  vertical-align: middle;
}

.log-line::after {
  content: '';
  display: none; /* 入力行にはカーソルつけない */
}

.log {
  white-space: pre-wrap;
  margin: 0.2em 0;
}

.aurora-child {
  height: 400px;
  width: 400px;
  position: absolute;
  filter: blur(120px);
}

@media screen and (min-width: 767px) {
  .aurora-child {
    height: 1000px;
    width: 1000px;
  }
}

.aurora-1 {
  background: linear-gradient(45deg, #000033, #0066ff);
  animation: animate1 20s linear infinite;
}

.aurora-2 {
  background: linear-gradient(45deg, #000066, #0066ff);
  animation: animate2 20s linear infinite;
}

.aurora-3 {
  background: linear-gradient(45deg, #000066, #0066ff);
  animation: animate3 20s linear infinite;
}

.aurora-4 {
  background: linear-gradient(45deg, #000033, #0066cc);
  animation: animate4 20s linear infinite;
}

.aurora-5 {
  background: linear-gradient(45deg, #000066, #0066cc);
  animation: animate5 20s linear infinite;
}

@keyframes animate1 {
  0% {
    transform: translateX(100%) translateY(0%);
  }
  25% {
    transform: translateX(50%) translateY(10%);
  }
  50% {
    transform: translateX(50%) translateY(10%);
  }
  75% {
    transform: translateX(100%) translateY(0%);
  }
  100% {
    transform: translateX(50%) translateY(0%);
  }
}

@keyframes animate2 {
  0% {
    transform: translateX(100%) translateY(0%);
  }
  25% {
    transform: translateX(50%) translateY(0%) rotate(0deg);
  }
  50% {
    transform: translateX(0%) translateY(10%) rotate(100deg);
  }
  75% {
    transform: translateX(50%) translateY(0%);
  }
  100% {
    transform: translateX(100%) translateY(0%);
  }
}

@keyframes animate3 {
  0% {
    transform: translateX(0%) translateY(0%);
  }
  25% {
    transform: translateX(50%) translateY(50%);
  }
  50% {
    transform: translateX(100%) translateY(10%);
  }
  75% {
    transform: translateX(50%) translateY(0%);
  }
  100% {
    transform: translateX(0%) translateY(0%);
  }
}

@keyframes animate4 {
  0% {
    transform: translateX(0%) translateY(0%);
  }
  25% {
    transform: translateX(0%) translateY(20%) rotate(0deg);
  }
  50% {
    transform: translateX(10%) translateY(60%) rotate(100deg);
  }
  75% {
    transform: translateX(50%) translateY(0%);
  }
  100% {
    transform: translateX(0%) translateY(0%);
  }
}

@keyframes animate5 {
  0% {
    transform: translateX(0%) translateY(0%);
  }
  25% {
    transform: translateX(50%) translateY(40%);
  }
  50% {
    transform: translateX(80%) translateY(0%) rotate(0);
  }
  75% {
    transform: translateX(50%) translateY(40%) rotate(200deg);
  }
  100% {
    transform: translateX(0%) translateY(0%) rotate(360deg);
  }
}

.copyright {
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: var(--text-color);
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.8rem;
  padding: 0.5em 0;
  user-select: none;
  z-index: 10000;
}