:root {
  --color-primary: #0F5474;
  --color-text: #333;
  --page-margin: 1rem;
  --shadow: 0 2px 4px rgba(0, 0, 0, 0.2);

  @media (min-width: 720px) {
    --page-margin: 2rem;
  }

  @media (min-width: 1080px) {
    --page-margin: 3rem;
  }
}

* {
  box-sizing: border-box;
}

html, body {
  width: 100%;
  min-height: 100%;
  margin: 0;
  padding: 0;
  overscroll-behavior: none;
  scroll-behavior: smooth;
}

body {
  font-family: "Fredoka", "Zen Kaku Gothic New", sans-serif;
  font-optical-sizing: auto;
  color: var(--color-text);

  line-height: 1.75;
  letter-spacing: 0.05em;
  font-weight: 500;
}

iconify-icon {
 display: inline-block;
 width: 1em;
 height: 1em;
}

a[href^="http"] {
  color: var(--color-primary);
  text-decoration: underline;
  transition: opacity 0.3s ease;
  opacity: 0.9;

  &:hover, &:focus {
    color: var(--color-primary);
    opacity: 1;
  }
}

p {
  margin: 0;
  margin-bottom: 0.75rem;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--page-margin);
  padding-bottom: calc(var(--page-margin) + 5rem);
  display: flex;
  flex-direction: column;
  gap: var(--page-margin);
  overflow-y: auto;
}

.section {
  width: 100%;
  border: 1px solid #EEEEFFCC;
  background-color: #FFFFFFAA;
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
  border-radius: 1rem;
  overflow: hidden;
  padding: var(--page-margin);
}

h1 {
  font-size: 1.5rem;
  margin: 0.25rem 0 1rem;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  padding: 0 0.5rem 0.25rem;
  letter-spacing: 0.02em;
}

h2 {
  font-size: 1.25rem;
  margin: 0.25rem 0 0.75rem;
}

ul {
  margin: 0;
  margin-bottom: 0.75rem;
  padding-left: 1.5rem;
}

dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem 1rem;
  margin: 0;

  dt {
    display: grid;
    place-items: center;
  }

  dt, dd {
    margin: 0;
  }
}