/* ========== base.css ========== */

:root {
  --color-text-main: #333333;
  --color-text-muted: #666666;
  --color-page-bg: #ffffff;
  --color-brand-blue-deep: #073e79;
  --color-brand-blue: #305cfb;
  --color-brand-blue-light: #7492f9;
  --color-brand-blue-mid: #5f7de2;
  --color-brand-blue-soft: #829cf6;
  --color-accent-pink: #e97aac;
  --color-accent-pink-soft: #fff2f7;
  --color-brand-green: #2eaf23;
  --color-bg-card: rgb(255 255 255 / 90%);
  --color-bg-card-soft: rgb(255 255 255 / 80%);
  --shadow-card: 0.1875rem 0.1875rem 0 0 #a6c1c1;
  --shadow-cta: 0 0.25rem 0 0 #231815;
  --radius-xs: 0.25rem;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.625rem;
  --space-xxs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 2.5rem;
  --space-3xl: 3rem;
  --space-4xl: 5rem;
  --font-base: "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-size-base: 1rem;
  --line-height-base: 1.6;
  --container-max: 75rem;
  --container-pad: var(--space-lg);
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text-main);
  background: var(--color-page-bg);
}

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

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

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

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
  font-style: italic;
  background-repeat: no-repeat;
  background-size: cover;
  shape-margin: 0.75rem;
}

a {
  color: inherit;
  text-decoration: none;
}

em,
span,
strong,
i {
  font-style: normal;
  font-weight: unset;
}

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

li,
section {
  margin: 0;
  padding: 0;
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
figure,
span {
  margin: 0;
}

sup {
  font-size: 10px;
}