/* ================================
   Base Styles
   基本的なHTML要素のスタイル定義
================================ */

/* ----- Document Setup ----- */
html {
  box-sizing: border-box;
  font-size: 62.5%;
  /* 1rem = 10px */
  line-height: 1.6;
  letter-spacing: 0.05rem;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

*,
*::before,
*::after {
  box-sizing: inherit;
}

/* ----- Body ----- */
body {
  margin: 0;
  padding: 0;
  font-family: "Noto Sans JP", "Helvetica Neue", Arial, "Hiragino Sans", "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: var(--fz-rg);
  line-height: 1.6;
  color: var(--color-text-light);
  background: var(--color-bg);
  overflow-wrap: anywhere;
  word-break: normal;
  line-break: strict;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ----- Links ----- */
a {
  text-decoration: none;
  color: var(--color-link);
}

/* ----- Headings ----- */
h1,
h2,
h3,
h4 {
  color: var(--color-text);
  letter-spacing: 0.1rem;
  margin: 0;
}

h2 {
  font-size: var(--fz-xl);
  color: var(--color-text);
}

h3 {
  font-size: var(--fz-md);
  color: var(--color-text);
}

/* ----- Paragraphs ----- */
p {
  margin: 0;
}

/* ----- Images ----- */
img {
  width: 100%;
  height: auto;
}

.image--center {
  width: 100%;
}

.image--center img {
  display: block;
  margin: auto;
  height: auto;
}

/* ================================
   Container System
================================ */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

.container--xxl {
  max-width: var(--container-xxl);
}

.container--lg {
  max-width: var(--container-lg);
}

.container--md {
  max-width: var(--container-md);
}

.container--sm {
  max-width: var(--container-sm);
}

.container--xs {
  max-width: var(--container-xs);
}

/* Responsive container padding */
@media (max-width: 767px) {}