:root {
  --color-bg: #0b0c10;
  --color-panel-bg: #282930;
  --neon-cyan: #A0FAFF;
  --neon-cyan-mid: #86A4A5;
  --neon-magenta: #ff00f5;
  --neon-yellow: #f5ff00;
  --neon-glow: 0 0 8px var(--neon-cyan), 0 0 16px var(--neon-cyan);
  --mid_white: rgb(200, 200, 200);
}

#info_panel {
  background: var(--color-panel-bg);
  border: 2px solid var(--neon-cyan-mid);
  border-radius: 8px;
  position: relative;
  display: grid;

  grid-template-rows: 1fr 1.5fr;
  row-gap: 32px;
  justify-items: center;

  width: 1024px;
  height: 360px;
  padding: 16px;
  box-sizing: border-box;
}


.info_container {
  min-width: 95%;
  
  border: 2px solid var(--neon-cyan-mid);
  border-radius: 10px; /* 角を丸くする半径 */
  justify-items: center;
  align-items: center;
}

.massage_container_1 {
  display: grid;
  grid-template-rows: 1fr 1fr;
  justify-items: center;
  align-items: center;
  row-gap: 8px;
  padding: 16px 0;
}

.massage_container_2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  justify-items: center;
  place-content: center;
  align-items: center;
  min-height: 144px;
  color: var(--mid_white);
  text-shadow: 0 0 4px var(--neon-cyan);

  transform: translateY(8px);
  row-gap: 0px;
  padding: 8px 0;

  font-size: 20px;
}

.info_title_container {
  position: relative;
}

.info_title {
  position: absolute;

  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);

  font-size: 1.4rem;
  color: var(--mid_white);
  text-align: center;
  text-shadow: var(--neon-glow);
}

.info_title.controls {
    animation: flicker 2s infinite;
}

.info_title.infomation {
  animation: flicker 2.15s infinite;
  animation-delay: 0.2s;
}


.info_title_bg {
  position: absolute;

    top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);

  width: 160px;
  height: 24px;
  background-color: var(--color-panel-bg);
  left: 40%;
  top: -15%;
}

@keyframes flicker {
  0%, 18%, 22%, 25%, 53%, 57%, 100% { opacity: 1; }
  20%, 24%, 55%              { opacity: 0.7; }
}



#date_control label {
  color: var(--neon-cyan);
  font-size: 20px;
}

#date_control input {
  width: 64px;

  background: transparent;
  border: 1px solid var(--neon-cyan);
  color: var(--neon-cyan);
  text-align: center;
  outline: none;
  font-size: 20px;
}



#info_panel button {
  background: transparent;
  border: 1px solid;
  color: var(--neon-cyan);
  font-size: 0.85rem;
  letter-spacing: 1px;

  cursor: pointer;
  overflow: hidden;

  border-image: linear-gradient(45deg, var(--neon-cyan), white, var(--neon-cyan)) 1;
  animation: gradient-glow 3s infinite linear;

  font-size: 20px;
}

@keyframes gradient-glow {
  0% {
    border-image: linear-gradient(45deg, var(--neon-cyan), white, var(--neon-cyan)) 1;
  }
  50% {
    border-image: linear-gradient(135deg, var(--neon-cyan), white, var(--neon-cyan)) 1;
  }
  75% {
    border-image: linear-gradient(135deg, var(--neon-cyan), var(--neon-cyan), var(--neon-cyan)) 1;
  }
}

#info_panel button:hover {
  box-shadow: var(--neon-glow);
}

#info_panel button:active {
  background-color: var(--mid_white);
}




#massage_with_sun_icon {
  display: grid;
  grid-template-columns: 1fr 1fr;
  justify-items: center;
  align-items: center;
  column-gap: 16px;
  transform: translateX(-12px);
}


.sunrise_sunset_time {
  display: grid;
  grid-template-columns: 1fr 1fr;
  justify-items: center;
  align-items: center;
}

.sunrise_icon {
    width: 64px;
    height: 64px;
    text-align: center;

}

.sunrise_text {
    margin-top: 28px;
}


.sun {
  --size: 20px;         /* 太陽の直径 */
  --ray-length: 10px;    /* 光線の長さ */
  --ray-thickness: 4px;      /* 光線の太さ */
  --color: #FFC700;      /* 太陽の色 */
  
    position: relative;
    top: 22px;
    left: 22px;
  width: var(--size);
  height: 10px;
  background: var(--mid_white);
  box-shadow: 0 0 4px var(--neon-yellow);

  border-top-left-radius: 20px; /* 左上の半径 */
  border-top-right-radius: 20px; /* 右上の半径 */
}

.sun .ray_0 {
  position: absolute;
  width: var(--ray-length);
  height: var(--ray-thickness);
  background: var(--mid_white);
  box-shadow: 0 0 1px var(--neon-magenta);

  border-radius: 25%;
  transform-origin: 220% 50%;
  top: 8px;
  transform:
    translateX(-120%)
    rotate(0deg);
}

.sun .ray_1 {
  position: absolute;
  width: var(--ray-length);
  height: var(--ray-thickness);
  background: var(--mid_white);
  box-shadow: 0 0 1px var(--neon-magenta);

  border-radius: 25%;
  transform-origin: 220% 50%;
  top: 8px;
  transform:
    translateX(-120%)
    rotate(45deg);
}

.sun .ray_2 {
  position: absolute;
  width: var(--ray-length);
  height: var(--ray-thickness);
  background: var(--mid_white);
  box-shadow: 0 0 1px var(--neon-magenta);

  border-radius: 25%;
  transform-origin: 220% 50%;
  top: 8px;
  transform:
    translateX(-120%)
    rotate(135deg);
}

.sun .ray_3 {
  position: absolute;
  width: var(--ray-length);
  height: var(--ray-thickness);
  background: var(--mid_white);
  box-shadow: 0 0 1px var(--neon-magenta);

  border-radius: 25%;
  transform-origin: 220% 50%;
  top: 8px;
  transform:
    translateX(-120%)
    rotate(180deg);
}


.sun .arrow {
  box-shadow: 0 0 4px var(--neon-magenta);

}

.sun .arrow_up {
    position: absolute;
    width: 12px;
    height: 3px;
  background: var(--mid_white);

    border-radius: 25%;
    transform-origin: 220% 50%;
    top: 10px;
    transform:
        translateX(-136%)
        rotate(90deg);
}

.sun .arrow_up_1 {
    position: absolute;
    width: 6px;
    height: 3px;
    background: var(--mid_white);

    border-radius: 25%;
    top: -15px;
    left: 9px;
  transform:
    rotate(30deg);
}

.sun .arrow_up_2 {
    position: absolute;
    width: 6px;
    height: 3px;
  background: var(--mid_white);

    border-radius: 25%;
    top: -15px;
    left: 5px;
  transform:
    rotate(-30deg);
}


.sun .arrow_down {
    position: absolute;
    width: 12px;
    height: 3px;

    background: var(--mid_white);

    border-radius: 25%;
    transform-origin: 220% 50%;
    top: 8px;
    transform:
        translateX(-136%)
        rotate(90deg);
}

.sun .arrow_down_1 {
    position: absolute;
    width: 6px;
    height: 3px;

    background: var(--mid_white);

    border-radius: 25%;
    top: -7px;
    left: 5px;
  transform:
    rotate(30deg);
}

.sun .arrow_down_2 {
    position: absolute;
    width: 6px;
    height: 3px;

    background: var(--mid_white);

    border-radius: 25%;
    top: -7px;
    left: 9px;
  transform:
    rotate(-30deg);
}

.horizon {
    position: absolute;
    width: 56px;
    height: 2px;
    top: 14px;
    left: -18px;
    background: var(--mid_white);
    box-shadow: 0 0 2px var(--neon-cyan);
}
/*
#date_control button {
  animation: glitch 3s infinite;
}

@keyframes glitch {
  0%   { text-shadow: 2px 0 var(--neon-cyan); }
  20%  { text-shadow: -2px 0 var(--neon-magenta); }
  40%  { text-shadow: 2px 0 var(--neon-yellow); }
  60%  { text-shadow: -2px 0 var(--neon-cyan); }
  80%  { text-shadow: 2px 0 var(--neon-magenta); }
  100% { text-shadow: -2px 0 var(--neon-yellow); }
*/