body {
  margin: 0;
  font-family: "Noto Sans JP", Arial, sans-serif;
  background: linear-gradient(135deg, #0a0a1a, #1a0033);
  color: #eee;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: 0.4s;
}

/* HEADER */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: linear-gradient(90deg, #6a00ff, #a570ff);
  color: white;
  padding: 18px 10px;
  z-index: 1000;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
}
header h1 {
  margin: 0;
  font-size: 2.2rem;
  letter-spacing: 2px;
  font-weight: 700;
  text-shadow: 0 0 12px rgba(165, 112, 255, 1);
  animation: glow 2.5s infinite alternate;
}
@keyframes glow {
  from {
    text-shadow: 0 0 8px #a570ff, 0 0 16px #6a00ff;
  }
  to {
    text-shadow: 0 0 16px #ffe600, 0 0 28px #a570ff;
  }
}
header p {
  margin: 4px 0 10px;
  font-size: 1rem;
  opacity: 0.9;
}

/* NAVIGATION */
nav {
  margin-top: 8px;
}
nav a {
  margin: 0 12px;
  color: white;
  text-decoration: none;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 20px;
  transition: 0.3s;
}
nav a:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #ffe600;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.4);
}

/* SECTION */
section {
  flex: 1;
  min-height: 100vh;
  padding: 160px 20px 70px;
  display: none;
  max-width: 900px;
  margin: auto;
  animation: fadeIn 0.6s ease;
}
section.active {
  display: block;
}
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(25px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

h2 {
  color: #a570ff;
  border-left: 6px solid #a570ff;
  padding-left: 12px;
  margin-bottom: 20px;
  font-weight: 700;
  text-shadow: 0 0 8px rgba(165, 112, 255, 0.8);
}

/* SEARCH */
.search-container {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 60px 0;
  position: relative;
}
.search-container input {
  width: 70%;
  max-width: 520px;
  padding: 14px 22px 14px 45px;
  border: 2px solid #6a00ff;
  border-radius: 50px;
  font-size: 1rem;
  outline: none;
  background: #111;
  color: #fff;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
  transition: 0.3s;
}
.search-container input:focus {
  border-color: #a570ff;
  box-shadow: 0 0 12px rgba(165, 112, 255, 0.8);
}
.search-container i {
  position: absolute;
  left: 18px;
  font-size: 1.2rem;
  color: #aaa;
}
.highlight {
  background: yellow;
  color: #000;
  font-weight: bold;
  padding: 2px 4px;
  border-radius: 4px;
}

/* BUTTON */
button {
  padding: 12px 20px;
  margin: 10px 0;
  cursor: pointer;
  border: none;
  background: linear-gradient(135deg, #6a00ff, #a570ff);
  color: white;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
  transition: 0.3s;
}
button:hover {
  background: linear-gradient(135deg, #5200cc, #7f3dff);
  transform: translateY(-2px);
}

/* INPUT */
input,
textarea {
  display: block;
  width: 100%;
  max-width: 480px;
  margin: 10px 0;
  padding: 12px;
  border: 1.5px solid #555;
  border-radius: 8px;
  font-size: 1rem;
  background: #111;
  color: #eee;
  transition: 0.3s;
}
input:focus,
textarea:focus {
  border-color: #a570ff;
  box-shadow: 0 0 8px rgba(165, 112, 255, 0.6);
  outline: none;
}

/* FOOTER */
footer {
  background: #111;
  color: white;
  text-align: center;
  padding: 20px;
  font-size: 0.9rem;
  margin-top: auto;
  border-top: 2px solid #6a00ff;
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.6);
}

/* TOGGLE */
.toggle-btn {
  position: fixed;
  top: 20px;
  right: 20px;
  background: linear-gradient(135deg, #6a00ff, #a570ff);
  border: none;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  color: #fff;
  font-size: 1.4rem;
  cursor: pointer;
  box-shadow: 0 0 15px rgba(165, 112, 255, 0.8);
  transition: all 0.3s ease;
  z-index: 1100;
}
.toggle-btn:hover {
  transform: scale(1.15);
  box-shadow: 0 0 20px rgba(165, 112, 255, 1);
}

/* Light mode */
body.light-mode {
  background: linear-gradient(135deg, #f0f0ff, #ffffff);
  color: #222;
}
body.light-mode h2 {
  color: #6a00ff;
  text-shadow: none;
}
body.light-mode nav,
body.light-mode footer {
  background: rgba(240, 240, 255, 0.95);
  color: #333;
}
body.light-mode nav a {
  color: #333;
}
body.light-mode nav a:hover {
  color: #6a00ff;
}
body.light-mode input,
body.light-mode textarea {
  background: #fff;
  color: #222;
  border: 1.5px solid #ccc;
}
body.light-mode .search-container input {
  background: #fff;
  color: #222;
  border: 2px solid #6a00ff;
}
.home-image {
  text-align: center;
  margin: 10px 0;
}
.home-image img {
  max-width: 70%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
}


.home-image2 {
  text-align: center;
  margin: 10px 0;
}
.home-image2 img {
  max-width: 70%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
}


.home-image3 {
  text-align: center;
  margin: 10px 0;
}
.home-image3 img {
  max-width: 70%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
}

.home-image4 {
  text-align: center;
  margin: 10px 0;
}
.home-image4 img {
  max-width: 70%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
}

.home-image5 {
  text-align: center;
  margin: 10px 0;
}
.home-image5 img {
  max-width: 70%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
}








}