@charset "UTF-8";

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Hiragino Sans', 'Yu Gothic', sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.dotgothic16-regular {
  font-family: "DotGothic16", sans-serif;
  font-weight: 400;
  font-style: normal;
}

header {
  text-align: center;
  margin-bottom: 2rem;
}

main {
  padding: 2rem;
  border-radius: 20px;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.2);
  text-align: center;
  min-width: 300px;
  margin: 0 20px;
}

/* ピクセル風ボタン */
#drawButton.pixel-btn {
  position: relative;
  font-size: 1.3rem;
  padding: 12px 30px;
  background: #2f0f0f;
  color: white;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 3px 8px rgba(29, 12, 12, 0.2);
  margin-bottom: 2rem;
  image-rendering: pixelated;
}

.pixel-text {
  position: relative;
  z-index: 2;
}

.pixel-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(90deg, transparent 50%, rgba(255, 255, 255, 0.15) 50%),
    linear-gradient(0deg, transparent 50%, rgba(255, 255, 255, 0.15) 50%);
  background-size: 4px 4px;
  opacity: 0;
  transition: opacity 0.3s ease;
  border-radius: 50px;
}

#drawButton.pixel-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(106, 15, 15, 0.25);
  background: #c53620;
}

#drawButton.pixel-btn:active {
  transform: translateY(0);
}

#drawButton.pixel-btn .pixel-grid {
  opacity: 0;
  transform: translateY(-100%);
  animation: pixelScanReverse 0.5s ease forwards;
}

#drawButton.pixel-btn:hover .pixel-grid {
  opacity: 1;
  animation: pixelScan 0.5s ease forwards;
}

@keyframes pixelScan {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100%); }
}

@keyframes pixelScanReverse {
  0% { transform: translateY(100%); }
  100% { transform: translateY(-100%); }
}

#resultDisplay {
  font-size: 1.5rem;
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  border-radius: 15px;
  background: #EEE;
  border: 2px solid #e9ecef;
}

footer {
  position: fixed;
  bottom: 20px;
  font-size: 0.9rem;
}

@media (min-width: 601px) {
  header h1 {
    font-size: 2.5rem;
  }
  
  main {
    margin: 0;
    padding: 3rem;
  }
  
  #drawButton.pixel-btn {
    font-size: 1.5rem;
    padding: 15px 40px;
  }
  
  #resultDisplay {
    font-size: 2rem;
  }
}

.daikyou {
  background-image: linear-gradient(360deg, #3d3480, #676aac);
  font-weight: bold;
}

.daikichi {
  background-image: linear-gradient(180deg, #e3742e, #d83d29);
  font-weight: bold;
}

.chukichi {
  background-image: linear-gradient(180deg, #f5c469, #f5a623);
  font-weight: bold;
}

.kichi {
  background-image: linear-gradient(180deg, #58c35c, #308e35);
  font-weight: bold;
}