/* ローディング画面のオーバーレイ */
#loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #eaebeb;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  z-index: 9999;
  opacity: 1;
  transition: opacity 1s ease-out;
}

#loading-overlay.fade-out {
  opacity: 0;
  pointer-events: none;
}

.loading-container {
  text-align: center;
}

svg {
  width: 200px;
  height: auto;
  filter: drop-shadow(0 0 20px rgba(109, 95, 97, 0.2));
}

/* 電球が光る演出 */
#bulb-glow {
  opacity: 0;
}

#bulb-glow.active {
  animation: breathe 3s ease-in-out infinite;
}

@keyframes breathe {
  0%,
  100% {
    opacity: 0.2;
  }
  50% {
    opacity: 0.6;
  }
}

svg path {
  fill: none;
  stroke: #6d5f61;
  stroke-width: 2;
  stroke-linecap: round;
}

/* パス1: 最初から表示 */
#path1 {
  stroke-dasharray: 200;
  stroke-dashoffset: 0;
}

/* パス2: 最初から表示 */
#path2 {
  stroke-dasharray: 200;
  stroke-dashoffset: 0;
}

/* パス3: 電球本体 */
#path3 {
  stroke-dasharray: 800;
  stroke-dashoffset: 800;
  animation: draw 6.5s ease-out 0.5s forwards;
}

/* パス4: 左側の曲線 */
#path4 {
  stroke-dasharray: 300;
  stroke-dashoffset: 300;
  animation: draw 2.8s ease-out 3.3s forwards;
}

/* パス5: フィラメント */
#path5 {
  stroke-dasharray: 700;
  stroke-dashoffset: 700;
  animation: draw 6s ease-out 4.3s forwards;
}

@keyframes draw {
  to {
    stroke-dashoffset: 0;
  }
}

.loading-text {
  margin-top: 30px;
  color: #6d5f61;
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 2.5px;
  display: flex;
  justify-content: center;
  gap: 2px;
  font-family: "Kameron", serif;
}

.loading-text span {
  display: inline-block;
  animation: wave 3s ease-in-out infinite;
}

.loading-text span:nth-child(1) {
  animation-delay: 0s;
}
.loading-text span:nth-child(2) {
  animation-delay: 0.2s;
}
.loading-text span:nth-child(3) {
  animation-delay: 0.4s;
}
.loading-text span:nth-child(4) {
  animation-delay: 0.6s;
}
.loading-text span:nth-child(5) {
  animation-delay: 0.8s;
}
.loading-text span:nth-child(6) {
  animation-delay: 1s;
}
.loading-text span:nth-child(7) {
  animation-delay: 1.2s;
}

@keyframes wave {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-7px);
  }
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
  svg {
    width: 150px;
  }

  .loading-text {
    font-size: 18px;
    letter-spacing: 2px;
  }
}

@media (max-width: 480px) {
  svg {
    width: 120px;
  }

  .loading-text {
    font-size: 16px;
    letter-spacing: 1.5px;
  }
}