:root {
  --color-primary: #1b263b;
  --color-secondary: #415a77;
  --color-border: #cfd8dc;
  --color-text: black;
  --color-text-muted: gray;
  --color-text-contrast: white;
  --color-text-a: #f57f17;
  --color-text-highlight: #e65100;
}

body {
  background-color: var(--color-primary);
  color: var(--color-text-contrast);
  font-family: "Montserrat", serif;
  font-size: 1.2rem;
}

h1 {
  font-family: "Noto Sans JP", serif;
  font-size: 3rem;
}

h2 {
  text-align: center;
  margin-bottom: 3rem;
}

.section {
  padding: 3rem 3rem;
  background-color: white;
  color: var(--color-text);
}

.container {
  max-width: 100rem;
  margin: 0 auto;
}

.section > .container > p:not(:last-child) {
  margin-bottom: 1rem;
}

.hero {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero > div {
  display: flex;
  flex-direction: column;
  row-gap: 2rem;
  align-items: center;
  text-align: center;
}

.hero p {
  font-size: 1.5rem;
}

.hero .social-links {
  font-size: 1.5rem;
}

a {
  color: var(--color-secondary);
  transition: color 0.2s ease;
}

.social-links > a {
  padding-left: 0.5rem;
  padding-right: 0.5rem;
  color: var(--color-text-contrast);
}

a:hover {
  color: var(--color-text-highlight);
}

.hero img {
  width: 8rem;
  border-radius: 50%;
}

.title {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.rows {
  display: flex;
  flex-wrap: wrap;
}

.rows > div {
  padding: 0.5rem 0.5rem;
  width: 50%;
}

.card {
  padding: 1rem 1.5rem;
  background-color: white;
  border: 1px solid var(--color-border);
  border-radius: 1rem;
  height: 100%;
  box-shadow: 0 0 0.6rem rgba(175, 175, 175, 0.4);
}

.card.pinned {
  border-color: var(--color-secondary);
}

.card .title {
  font-weight: bold;
}

.card.pinned .title::after {
  content: "\F4EB";
  font-family: "bootstrap-icons";
  float: right;
  vertical-align: -0.125em;
  color: var(--color-secondary);
}

.card .title a::before {
  content: "\F470  ";
  font-family: "bootstrap-icons";
  vertical-align: -0.125em;
}

ul li {
  list-style: none;
  list-style-type: none;
  padding: 0.1rem 0;
}

.text-center {
  text-align: center;
}

.progress-container {
  max-width: 25rem;
  margin: 0 auto;
  margin-top: 1.5rem;
}

.progress {
  float: right;
  font-family: "bootstrap-icons";
  vertical-align: -0.125em;
  letter-spacing: 2px;
  color: var(--color-secondary);
}

.progress::after {
  opacity: 0.5;
}

.prog-5::before {
  content: "\F287\F287\F287\F287\F287";
}

.prog-4::before {
  content: "\F287\F287\F287\F287";
}

.prog-3::before {
  content: "\F287\F287\F287";
}

.prog-2::before {
  content: "\F287\F287";
}

.prog-1::before {
  content: "\F287";
}

.prog-1::after {
  content: "\F28A\F28A\F28A\F28A";
}

.prog-2::after {
  content: "\F28A\F28A\F28A";
}

.prog-3::after {
  content: "\F28A\F28A";
}

.prog-4::after {
  content: "\F28A";
}

footer {
  padding: 1rem 1rem;
}

footer #copyright {
  text-align: center;
}

@media screen and (max-width: 767.98px) {
  .rows > div {
    width: 100%;
  }
}