html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}

article, aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section {
  display: block;
}

body {
  line-height: 1;
}

ol, ul {
  list-style: none;
}

blockquote, q {
  quotes: none;
}

blockquote:before, blockquote:after,
q:before, q:after {
  content: '';
  content: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

button {
  outline: none;
}

body {
}

header {
  width: 100%;
  background-color: #1b1f22;
  color: #fff;
  font-size: 1.6rem;
}

footer {
  width: 100%;
  background-color: #1b1f22;
  text-align: center;
  color: #fff;
}

header > .container {
  width: 100%;
  max-width: 1024px;
  padding: 32px 8px;
  box-sizing: border-box;
}

footer > .container {
  width: 100%;
  max-width: 100%;
  padding: 32px 8px;
}

.profile {
  display: flex;
  justify-content: center;
  margin: 16px auto;
}

.profile__photo {
  margin: 0 8px;
}

.profile__about_me {
  margin: 0 8px;
}

.profile__photo > img {
  width: 128px;
  height: 128px;
  border-radius: 50%;
}

.profile__about_me {
  color: #fff;
}

.container {
  width: 100%;
  max-width: 1024px;
  margin: auto;
  padding: 0 8px;
  box-sizing: border-box;
}

.input_form {
  display: flex;
  flex-direction: column;
}

.input_form__split {
  display: block;
  width: 80px;
  height: 40px;
  font-size: 1.2rem;
  margin: 0.5rem;
  padding: .375rem .75rem;
  line-height: 1.5;
  background-color: #fff;
  background-clip: padding-box;
  border: 1px solid #ced4da;
  border-radius: .25rem;
  transition: border-color .15s ease-in-out,box-shadow .15s ease-in-out;
}

.input_form__before {
  width: 100%;
  font-family: Consolas, 'Courier New', Courier, Monaco, monospace;
  font-size: 1.2rem;

  display: block;
  font-size: 1.2rem;
  padding: .375rem .75rem;
  line-height: 1.5;
  background-color: #fff;
  background-clip: padding-box;
  border: 1px solid #ced4da;
  border-radius: .25rem;
  transition: border-color .15s ease-in-out,box-shadow .15s ease-in-out;
}

.input_form__btn {
  margin: 16px 0;
  border: none;
}

.input_form__after {
  width: 100%;
  margin: 16px 0 16px;
  font-family: Consolas, 'Courier New', Courier, Monaco, monospace;
  font-size: 1.2rem;
}

.btn {
  font-size: 1.5rem;
  display: inline-block;
  padding: 1em 2em;
  margin: 0.5em 0;
  cursor: pointer;
  background-color: #24292e;
  color: #efefef;
  border-radius: 0.25em;
  transition: 0.3s;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.btn:hover {
  opacity: .8;
}

.button-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}

.button-label {
  display: inline-block;
  padding: 0.5em 1.5em;
  margin: 0.5em 0.5em 0.5em 0;
  cursor: pointer;
  color: #292929;
  border-radius: 0.25em;
  background: #efefef;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
.button-label h1 {
  font-size: 2em;
  font-family: "Lato", sans-serif;
}
.button-label:hover {
  opacity: .6;
}
.button-label:active {
  -webkit-transform: translateY(2px);
  transform: translateY(2px);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2), inset 0px -1px 0 rgba(0, 0, 0, 0.22);
}

.radio-btn:checked + .button-label {
  background-color: #24292e;
  color: #efefef;
}
.radio-btn:checked + .button-label:hover {
  background-color: #24292e;
  color: #e2e2e2;
}

.hidden {
  display: none;
}

.adsense {
  width: 100%;
  margin: 0 0 0.5em;
}