/* KSR Website */
:root {
  --black: #000000;
  --white: #FFFFFF;
  --gray: #999999;
  --gray-light: #FAFAFA;
  --gray-dark: #333333;
  --orange: #FF7A00;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out-quart: cubic-bezier(0.76, 0, 0.24, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: "Noto Sans JP", -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
  color: var(--black);
  background: var(--white);
  line-height: 1.6;
  font-size: 16px;
  font-weight: 300;
  letter-spacing: -0.01em;
  overflow-x: hidden;
}

/* Typography - Ultra Light */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--black);
}

h1 {
  font-size: 2.6rem;
  margin-top:1rem;
  margin-bottom: 1rem;
  letter-spacing: 0.1em;
  text-align: center;
}

h2 {
  font-size: 2.5rem;
  margin-bottom: 3rem;
}

p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--gray);
}

/* Header - Minimal with Fade */
header {
  background: var(--white);
  width: 100%;
}


.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem 3rem;
}

.hero-image img { 
  max-width: 100%;
 }

#preview p {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--black);
  text-align: center;
}

#preview {
  margin-bottom:2rem;
}