:root {
  --main-color: #2c3e50;
  --accent-color: #e67e22;
  --background-color: #f9f9f9;
  --text-color: #333;
  --font-main: 'Noto Sans JP', sans-serif;
}

body {
  background-color: var(--background-color);
  color: var(--text-color);
  font-family: var(--font-main);
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--main-color);
  font-family: var(--font-main);
  font-weight: 700;
}

a {
  color: var(--accent-color);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.hero-section {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  text-align: center;
  position: relative;
  overflow: hidden;
  width: 100%;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero-title {
  font-size: 8vw;
  font-weight: bold;
  display: inline-block;
  letter-spacing: 0.1em;
  color: #333;
  white-space: nowrap;
  position: relative;
  transform: translateX(0) translateY(0);
  transition: transform 2s;
  perspective: 1000px;
}

.hero-title span {
  display: inline-block;
  opacity: 0;
}

/* アニメーションの共通定義（抜粋） */
.slide-in span { transform: translateX(-100%); animation: slideIn 1.5s forwards; }
@keyframes slideIn {
  0% { opacity: 0; transform: translateX(-100%); }
  100% { opacity: 1; transform: translateX(0); }
}

.zoom-in span { transform: scale(0); animation: zoomIn 1.5s forwards; }
@keyframes zoomIn {
  0% { opacity: 0; transform: scale(0); }
  100% { opacity: 1; transform: scale(1); }
}

/* 以下、他のアニメーションも必要に応じてstyle.cssからコピーしてOK */