* {
  font-family: "Noto Sans JP", sans-serif;
}

:root {
  --pico-primary: #e40080;
  --pico-primary-hover: #c20070;
  --pico-primary-focus: rgba(228, 0, 128, .25);
  --pico-primary-inverse: #fff;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;

  background: url("/circle-scatter-haikei.svg") center / cover no-repeat;
  opacity: 0.2;

  z-index: -1;
}

.hero-title {
  font-size: clamp(2.4rem, 6vw, 4.0rem);
  color: #e40080;
  font-family: "ab-kirigirisu", sans-serif;
  font-weight: 400;
  font-style: normal;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
}

.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.8rem);
  color: #e40080;
  border-left: 6px solid #e40080;
  padding-left: .6em;
}

.fade-up {
  opacity: 0;
  transform: translateY(40px);
}

article {
  background: rgba(255, 255, 255, .78);
  backdrop-filter: blur(6px);
}

nav[aria-label] {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 224, 242, .88);
  backdrop-filter: blur(10px);
  border-bottom: 2px solid #e40080;
}

@media (max-width: 1280px) {
  .hero-image {
    display: none;
  }
}

@media (max-width: 480px) {
  .nav-title {
    display: none;
  }
}