html {
  -ms-overflow-style: -ms-autohiding-scrollbar;
  overflow-y: scroll;
  -webkit-text-size-adjust: 100%;
  font-size: 62.5%;
}
body {
  margin: 0;
}
main {
  display: block;
  background: #fff;
}
h1 {
  font-size: 2rem;
  margin: 0.67em 0;
}
hr {
  box-sizing: content-box;
  height: 0;
  overflow: visible;
}
pre {
  font-family: monospace, monospace;
  font-size: 1rem;
}
a {
  background-color: transparent;
}
abbr[title] {
  border-bottom: none;
  text-decoration: underline;
  text-decoration: underline dotted;
}
b,
strong {
  font-weight: bolder;
}
code,
kbd,
samp {
  font-family: monospace, monospace;
  font-size: 1rem;
}
small {
  font-size: 80%;
}
sub,
sup {
  top: 0;
  font-size: 65%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}
sub {
  bottom: -0.25rem;
}
sup {
  top: -0.4em;
  padding-right: 0.5rem;
  display: inline-block;
}
img {
  border-style: none;
}
button,
input,
optgroup,
select,
textarea {
  font-family: inherit;
  font-size: 100%;
  line-height: 1.15;
  margin: 0;
}
button,
input {
  overflow: visible;
}
button,
select {
  text-transform: none;
}
button,
[type="button"],
[type="reset"],
[type="submit"] {
  -webkit-appearance: button;
}
button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
  border-style: none;
  padding: 0;
}
button:-moz-focusring,
[type="button"]:-moz-focusring,
[type="reset"]:-moz-focusring,
[type="submit"]:-moz-focusring {
  outline: 1px dotted ButtonText;
}
fieldset {
  padding: 0.35em 0.75em 0.625rem;
}
legend {
  box-sizing: border-box;
  color: inherit;
  display: table;
  max-width: 100%;
  padding: 0;
  white-space: normal;
}
progress {
  vertical-align: baseline;
}
textarea {
  overflow: auto;
}
[type="checkbox"],
[type="radio"] {
  box-sizing: border-box;
  padding: 0;
}
[type="number"]::-webkit-inner-spin-button,
[type="number"]::-webkit-outer-spin-button {
  height: auto;
}
[type="search"] {
  -webkit-appearance: textfield;
  outline-offset: -2px;
}
[type="search"]::-webkit-search-decoration {
  -webkit-appearance: none;
}
::-webkit-file-upload-button {
  -webkit-appearance: button;
  font: inherit;
}

details {
  display: block;
}
summary {
  display: list-itrem;
}
template {
  display: none;
}
[hidden] {
  display: none;
}

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

html {
  box-sizing: border-box;
}

body,
button,
input,
select,
optgroup,
textarea {
  color: #282828;
  font-size: 1.6rem;
  line-height: 1.6;
  font-family: "Noto Serif JP", serif;
  font-weight: 300;
}

section {
  padding: 6rem 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  clear: both;
  font-weight: 500;
  margin: 0 0 1.5rem;
  font-size: 1.8rem;
}

p,
li,
dt,
dd {
  font-size: 1.5rem;
}

p {
  margin: 0 0 1.5rem;
}

dfn,
cite,
em,
i {
  font-style: italic;
}

blockquote {
  margin: 0 1.5rem;
}

address {
  margin: 0 0 1.5rem;
}

pre {
  background: #eee;
  font-family: "Courier 10 Pitch", courier, monospace;
  line-height: 1.6;
  margin-bottom: 1.6rem;
  max-width: 100%;
  overflow: auto;
  padding: 1.6rem;
}

code,
kbd,
tt,
var {
  font-family: monaco, consolas, "Andale Mono", "DejaVu Sans Mono", monospace;
}

abbr,
acronym {
  border-bottom: 1px dotted #666;
  cursor: help;
}

mark,
ins {
  background: #fff9c0;
  text-decoration: none;
}

big {
  font-size: 125%;
}

/* Elements
--------------------------------------------- */
body {
  background: #fffbec;
  position: relative;
}

hr {
  background-color: #ccc;
  border: 0;
  height: 1px;
  margin-bottom: 1.5rem;
}

ol {
  margin: 0 0 1.5em 3rem;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

ol {
  list-style: decimal;
}

li > ul,
li > ol {
  margin-bottom: 0;
  margin-left: 1.5rem;
  font-size: 1.5rem;
}

dt {
  font-weight: 700;
}

dd {
  margin: 0 1.5em 1.5rem;
}

/* Make sure embeds and iframes fit their containers. */
embed,
iframe,
object {
  max-width: 100%;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: top;
  display: block;
}

figure {
  margin: 0;
}

table {
  border-collapse: collapse;
  margin: 0;
  width: 100%;
  border: 1px solid #eaeaea;
}
th,
td {
  border: 1px solid #eaeaea;
  padding: 10px;
}

/* Links
--------------------------------------------- */
a {
  color: #282828;
  text-decoration: none;
  transition: all 100ms linear 0s;
  opacity: 1;
}

a:visited {
}

a:hover,
a:focus,
a:active {
}

a:focus {
  outline: none;
}

a:hover,
a:active {
  outline: 0;
}

a:hover {
  opacity: 0.7;
}

/* Forms
--------------------------------------------- */
button,
input[type="button"],
input[type="reset"],
input[type="submit"] {
  border: 1px solid;
  border-color: #ccc #ccc #bbb;
  border-radius: 3px;
  background: #e6e6e6;
  color: rgba(0, 0, 0, 0.8);
  line-height: 1;
  padding: 0.6em 1em;
  font-size: 1.4rem;
}

button:hover,
input[type="button"]:hover,
input[type="reset"]:hover,
input[type="submit"]:hover {
  border-color: #ccc #bbb #aaa;
}

button:active,
button:focus,
input[type="button"]:active,
input[type="button"]:focus,
input[type="reset"]:active,
input[type="reset"]:focus,
input[type="submit"]:active,
input[type="submit"]:focus {
  border-color: #aaa #bbb #bbb;
}

input[type="text"],
input[type="email"],
input[type="url"],
input[type="password"],
input[type="search"],
input[type="number"],
input[type="tel"],
input[type="range"],
input[type="date"],
input[type="month"],
input[type="week"],
input[type="time"],
input[type="datetime"],
input[type="datetime-local"],
input[type="color"],
textarea {
  color: #666;
  border: 1px solid #ccc;
  border-radius: 3px;
  padding: 3px;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="url"]:focus,
input[type="password"]:focus,
input[type="search"]:focus,
input[type="number"]:focus,
input[type="tel"]:focus,
input[type="range"]:focus,
input[type="date"]:focus,
input[type="month"]:focus,
input[type="week"]:focus,
input[type="time"]:focus,
input[type="datetime"]:focus,
input[type="datetime-local"]:focus,
input[type="color"]:focus,
textarea:focus {
  color: #111;
}

select {
  border: 1px solid #ccc;
}

textarea {
  width: 100%;
}

@media screen and (max-width: 768px) {
  body {
    font-size: 1.5rem;
  }
  section {
    padding: 3rem 0;
  }
  p,
  li,
  dt,
  dd {
    font-size: 1.4rem;
  }
  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    margin: 0 0 1.5rem;
    font-size: 1.6rem;
  }
}