@charset "UTF-8";
* {
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  tap-highlight-color: rgba(0, 0, 0, 0);
}

ul {
  list-style: none;
}

table {
  text-align: left;
  border-collapse: collapse;
}

table th {
  font-weight: normal;
}

h1,
h2 {
  font-weight: normal;
}

button {
  display: block;
}

label {
  display: block;
}

html,
body {
  width: 100%;
  height: 100%;
}

body {
  margin: 0;
  font-family: 'Open Sans', 'Hiragino Sans', 'ヒラギノ角ゴシック', 'Hiragino Kaku Gothic ProN', 'ヒラギノ角ゴ ProN W3', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 22px;
  color: #ffffff;
  overflow: hidden;
  padding: 10px;
  box-sizing: border-box;
}

h1 {
  text-align: center;
  font-size: 26px;
  margin-bottom: 20px;
}

h2 {
  font-size: 24px;
}

h1,
p,
label,
button,
textarea,
ul,
li,
hr {
  margin-bottom: 20px;
}

a {
  color: #fff;
}

p {
  line-height: 36px;
}

input,
textarea,
button,
label,
select {
  font-size: 18px;
  line-height: 18px;
}

select {
  background-color: #fff;
}

button {
  width: 300px;
}

label input {
  margin-left: 20px;
}

textarea {
  box-sizing: border-box;
  padding: 20px;
}

code {
  font-size: 18px;
  font-family: monospace;
}

code.block {
  padding: 10px;
  display: block;
  background-color: rgba(0, 0, 0, 0.3);
}

html,
body {
  width: 100%;
  height: 100%;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: row;
  background: #000;
}

body:before {
  width: 100%;
  height: 100%;
  content: '';
  display: block;
  position: absolute;
  left: 0;
  top: 0;
  background: url("../images/background.jpg");
  background-size: cover;
  z-index: 0;
}

body > * {
  position: relative;
  z-index: 1;
}

body.chapter-1:before {
  filter: hue-rotate(0deg);
}

body.chapter-2:before {
  filter: hue-rotate(12deg);
}

body.chapter-3:before {
  filter: hue-rotate(24deg);
}

body.chapter-4:before {
  filter: hue-rotate(36deg);
}

body.chapter-5:before {
  filter: hue-rotate(48deg);
}

body.chapter-6:before {
  filter: hue-rotate(60deg);
}

body.chapter-7:before {
  filter: hue-rotate(84deg);
}

body.chapter-8:before {
  filter: hue-rotate(96deg);
}

body.chapter-9:before {
  filter: hue-rotate(108deg);
}

body.chapter-10:before {
  filter: hue-rotate(120deg);
}

body.chapter-11:before {
  filter: hue-rotate(132deg);
}

body.chapter-12:before {
  filter: hue-rotate(144deg);
}

body.chapter-13:before {
  filter: hue-rotate(156deg);
}

body.chapter-14:before {
  filter: hue-rotate(120deg);
}

body.chapter-15:before {
  filter: hue-rotate(168deg);
}

body.chapter-16:before {
  filter: hue-rotate(180deg);
}

body.chapter-17:before {
  filter: hue-rotate(216deg);
}

body.chapter-18:before {
  filter: hue-rotate(204deg);
}

body.chapter-19:before {
  filter: hue-rotate(228deg);
}

table,
th,
td {
  border: 1px solid #251631;
}

main {
  background-color: rgba(0, 0, 0, 0.58);
  border-radius: 10px;
  width: 100%;
  max-width: 900px;
  height: 480px;
  padding: 20px;
  box-sizing: border-box;
}

form {
  display: flex;
  height: 100%;
  justify-content: center;
  flex-direction: column;
  align-items: center;
}

main.centering {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.character {
  background-image: url(../images/character.png);
  background-size: 200px 200px;
  width: 200px;
  height: 200px;
}

.box {
  background-color: rgba(0, 0, 0, 0.1);
  padding: 10px;
  color: #fff;
  border: 1px solid #fff;
}