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

:root {
  --color-primary: #1c5ae1;
  --color-primary-300: #779ced;
  --color-primary-200: #a4bdf3;
  --color-primary-100: #d2def9;
  --color-yellow: #f5da0b;
  --color-dark: #2a2a2a;
  --color-text: #1a1818;
  --color-grey-400: #555;
  --color-grey-300: #6b6b6b;
  --color-grey-200: #aaa;
  --color-grey-100: #eaeaea;
  --font-main: 'M PLUS 1', sans-serif;

  --px: clamp(20px, 5.5vw, 80px);
  --section-py: clamp(56px, 8vw, 112px);
  --section-pb: clamp(48px, 7vw, 96px);
}

body {
  font-family: var(--font-main);
  color: var(--color-dark);
  background: white;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ===== SKIP LINK ===== */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  z-index: 9999;
  padding: 8px 16px;
  background: var(--color-primary);
  color: white;
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  border-radius: 0 0 8px 8px;
  transition: top 0.1s;
}
.skip-link:focus {
  top: 0;
}

.header.is-hidden,
.skip-link.is-hidden {
  display: none;
}
.from-lp .header.is-hidden {
  display: flex;
}
.from-lp .skip-link.is-hidden {
  display: revert;
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: white;
  display: flex;
  justify-content: center;
  padding: 14px var(--px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1280px;
  gap: 16px;
  min-height: clamp(43px, 1.92vw + 24px, 51px);
}

.header-logo {
  width: clamp(140px, 18vw, 200px);
  height: auto;
  aspect-ratio: 895 / 129;
  flex-shrink: 0;
  display: block;
}

.header-logo-link {
  display: flex;
  flex-shrink: 0;
}

.btn-line {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px clamp(14px, 2vw, 20px);
  background: var(--color-primary);
  border: 2px solid var(--color-dark);
  border-radius: 240px;
  font-family: var(--font-main);
  font-weight: 600;
  font-size: clamp(12px, 1.2vw, 17px);
  color: white;
  letter-spacing: 1px;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  line-height: 1.6;
  flex-shrink: 0;
}