:root {
  --font-size-heading-1: 22px;
  --font-size-body-1: 18px;
  --font-size-body-2: 16px;
  --font-size-body-3: 14px;

  --main-color: #40be44;

  --background-color: #ffffff;
  --font-color: #1a1a1a;
  --title-color: var(--main-color);
  --icon-color: var(--main-color);
  --card-color: #fafafa;
}



html {
  line-height: 1.4;
  box-sizing: border-box;
  
  font-size: var(--font-size-body-3);
}

body {
  margin: 0;

  background-color: var(--background-color);
  font-family: Arial, sans-serif;
  color: var(--font-color);
}

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

h1,
h2,
h3,
p {
  margin: 0;
}
a {
  color: inherit;
  text-decoration: underline;
}


.container {
  display: flex;
  flex-direction: column;
  align-content: center;

  margin: 0 auto;
  padding: 0 16px;
  
  max-width: 800px;
  min-width: 300px;
}

.main-title-container,
.instruction-container {
  margin-bottom: 20px;
}



.hero-container {
  display: flex;
  flex-direction: column;
  align-content: center;

  margin: 0 auto 32px;
  padding: 0;
  
  max-width: 800px;
  min-width: 300px;
}
.hero-image {
  width: 100%;
  height: auto;
}

.category-container {
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;

  margin-bottom: 32px;
}
.category-title {
  display: flex;
  flex-direction: row;
  align-items: center;
  position: relative;

  margin-bottom: 20px;
  margin-left: calc(7px + 8px);

  font-size: var(--font-size-heading-1);
  font-weight: bold;
  color: var(--title-color);
}
.category-title::before {
  position: absolute;
  left: calc(-7px - 8px);

  content: "";

  width: 7px;
  height: 100%;
  border-radius: 7px;

  background-color: var(--title-color);
}

.items-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.item-container {
  display: flex;
  flex-direction: column;

  border-radius: 8px;
  padding: 16px;

  background-color: var(--card-color);
}
.item-link {
  margin-bottom: 8px;

  text-decoration: none;
  color: inherit;
}
.item-title {
  display: flex;
  flex-direction: row;
  align-items: center;
  position: relative;

  width: calc(100% - 16px);

  font-size: var(--font-size-body-1);
  font-weight: bold;
  text-decoration: none;
}
.item-title::after {
  position: absolute;
  right: -16px;

  width: 16px;
  height: 16px;

  content: "";
  background-image: url("/images/icon_go.png");
  background-position: center;
  background-size: contain;
}
.item-text {
  font-size: var(--font-size-body-3);
}