@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@100..900&display=swap");
@import url("https://fonts.googleapis.com/css2?family=Work+Sans:ital,wght@0,100..900;1,100..900&display=swap");
:root {
  --background: #ffffff;
  --primary-background: #f5f5f5;
  --foreground: #171717;
  --primary: #00c4cc;
  --secondary: #ffc03f;
  --gradient1: #20e0c1;
  --gradient2: #00c3cc;

  --gradient3: #ffc03f;
  --gradient4: #ffb03f;

  --primary-font: "Noto Sans JP", sans-serif;
  --secondary-font: "Work Sans", sans-serif;
  /* --primary-gradient: linear-gradient(
    90deg,
    var(--primary-gradient),
    var(--secondary-gradient)
  ); */
  /* --primary-gradient: linear-gradient(180deg, #3440e2, #1f85ff); */
  --primary-gradient: linear-gradient(
    -90deg,
    var(--gradient1),
    var(--gradient2)
  );

  --secondary-gradient: linear-gradient(
    to left,
    var(--gradient3),
    var(--gradient4)
  );
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #0a0a0a;
    --foreground: #ededed;
  }
}

body {
  color: var(--foreground);
  background: var(--background);
  font-family: var(--primary-font);
  overflow-x: hidden;
}

nav a {
  position: relative;
  transition: 0.3s color ease;
  height: 100%;
  display: flex;
  align-items: center;
}

nav .desktop-nav a:hover {
  color: var(--primary);
}

nav .desktop-nav a.active:before {
  display: block;
  position: absolute;
  top: 0;
  content: "";
  border-radius: 0 0 3px 3px;
  height: 6px;
  width: 100%;
  /* background: linear-gradient(270deg, var(--gradient1), var(--gradient2)); */
  background: var(--secondary-gradient);
}

nav .desktop-nav a::after {
  display: block;
  position: absolute;
  top: calc(50% + 16px);
  transform: translateY(-50%);
  content: "";
  width: 0%;
  height: 2px;
  background: var(--primary);
  transition: 0.3s;
}

nav .desktop-nav a:hover::after {
  width: 100%;
}

/* Text Colors */
.text-primary {
  color: var(--primary);
}

.text-background {
  color: var(--background);
}

.text-foreground {
  color: var(--foreground);
}

.text-primary-background {
  color: var(--primary-background);
}

.text-primary-gradient {
  color: var(--primary-gradient);
}

/* Background Colors */
.bg-primary {
  background-color: var(--primary);
}

.bg-background {
  background-color: var(--background);
}

.bg-foreground {
  background-color: var(--foreground);
}

.bg-primary-background {
  background-color: var(--primary-background);
}

.bg-primary-gradient {
  background-color: var(--primary-gradient);
}

/* Border Colors */
.border-primary {
  border-color: var(--primary);
}

.border-background {
  border-color: var(--background);
}

.border-foreground {
  border-color: var(--foreground);
}

.border-primary-background {
  border-color: var(--primary-background);
}

.border-primary-gradient {
  border-color: var(--primary-gradient);
}

/* Background Image (for gradients or other background images) */
.bg-primary-gradient {
  background-image: var(--primary-gradient);
}

.button-primary {
  background: var(--primary);
  color: white;
  border-radius: 5px;
}

.primary-gradient {
  background: var(--primary-gradient);
  /* background: linear-gradient(-90deg, var(--gradient1), var(--gradient2)); */
}

/* .primary-gradient {
  color: linear-gradient(
    90deg,
    var(--primary-gradient),
    var(--secondary-gradient)
  );
} */

.text-english {
  font-family: var(--secondary-font);
}

.section-title {
  font-family: var(--secondary-font);
  color: var(--primary);
  font-size: 12px;
  font-weight: bold;
  letter-spacing: 0.05em;
  line-height: 1.5;
}

.section-title-large {
  font-size: 30px;
  font-weight: bold;
  letter-spacing: 0.03em;
  line-height: 1.5;
}

@media screen and (max-width: 768px) {
  .section-title {
    font-size: 10px;
  }
  .section-title-large {
    font-size: 22px;
    letter-spacing: 0.1em;
  }
}