/* ==========================================================================
   ベーススタイル — ReSpark LP (SP専用)
   ========================================================================== */

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

html {
  font-size: 14px; /* rem 基準 (1rem = 14px)。html では --font-base (1rem) が使えないため絶対値 */
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-base);
  line-height: var(--line-height-relaxed);
  color: var(--color-primary-dark);
  background-color: var(--color-white);
  overflow-x: hidden;
  overflow-wrap: break-word;
  word-break: normal;
  text-align: justify;
  font-feature-settings: "palt";
  font-kerning: normal;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6,
dt, strong, b {
  margin: 0;
  font-weight: var(--font-weight-bold);
}

a {
  color: inherit;
  text-decoration: none;
  transition: opacity var(--transition-base);
}

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

img, svg {
  max-width: 100%;
  height: auto;
  vertical-align: bottom;
}

picture {
  display: contents;
}

p {
  margin: 0;
  font-size: var(--font-base);
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  color: inherit;
}