.swiper-container
{
  height: 150px;
}

.swiper-wrapper
{
  margin: 0;
  padding: 0;
}

.related-prev,.related-next
{
  position: absolute;
  top: 0;
  bottom: 0;
  margin: auto;
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 50%;
  background: #555;
}

.related-prev:hover,.related-next:hover
{
  cursor: pointer;
}

.related-prev::after,.related-next::after
{
  content: "";
  display: inline-block;
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  bottom: 0;
  margin: auto;
  width: 5px;
  height: 5px;
  border: solid #fafafa;
}

@media screen and (max-width:767px)
{
  .related-prev,.related-next
  {
    display: none !important;
  }
}

.related-prev
{
  left: -32px;
}

.related-prev::after
{
  left: 1px;
  border-width: 2px 0 0 2px;
  transform: rotate(-45deg);
}

.related-next
{
  right: -32px;
}

.related-next::after
{
  right: 1px;
  border-width: 2px 2px 0 0;
  transform: rotate(45deg);
}

/*! normalize.css v7.0.0 | MIT License | github.com/necolas/normalize.css */

html
{
  line-height: 1.15;
  -ms-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}

body
{
  margin: 0;
  background-image: url('/b1.png'), url('/b2.png'), url('/b3.png');
  height: 100%;
  left: 0;
  position: absolute;
  top: 0;
  width: 100%;
  z-index: 9999;
  -webkit-animation: snow 69s linear infinite;
  -moz-animation: snow 69s linear infinite;
  -ms-animation: snow 69s linear infinite;
  animation: snow 69s linear infinite;
}

@keyframes snow
{
  0%
  {
    background-position: 0px 0px, 0px 0px, 0px 0px;
  }

  50%
  {
    background-position: 500px 500px, 100px 200px, -100px 150px;
  }

  100%
  {
    background-position: 500px 1000px, 200px 400px, -100px 300px;
  }
}

@-moz-keyframes snow
{
  0%
  {
    background-position: 0px 0px, 0px 0px, 0px 0px;
  }

  50%
  {
    background-position: 500px 500px, 100px 200px, -100px 150px;
  }

  100%
  {
    background-position: 400px 1000px, 200px 400px, 100px 300px;
  }
}

@-webkit-keyframes snow
{
  0%
  {
    background-position: 0px 0px, 0px 0px, 0px 0px;
  }

  50%
  {
    background-position: 500px 500px, 100px 200px, -100px 150px;
  }

  100%
  {
    background-position: 500px 1000px, 200px 400px, -100px 300px;
  }
}

@-ms-keyframes snow
{
  0%
  {
    background-position: 0px 0px, 0px 0px, 0px 0px;
  }

  50%
  {
    background-position: 500px 500px, 100px 200px, -100px 150px;
  }

  100%
  {
    background-position: 500px 1000px, 200px 400px, -100px 300px;
  }
}

article,aside,footer,header,nav,section
{
  display: block;
}

h1
{
  font-size: 2em;
  margin: .67em 0;
}

figcaption,figure,main
{
  display: block;
}

figure
{
  margin: 1em 40px;
}

hr
{
  box-sizing: content-box;
  height: 0;
  overflow: visible;
}

pre
{
  font-family: monospace,monospace;
  font-size: 1em;
}

a
{
  background-color: transparent;
  -webkit-text-decoration-skip: objects;
}

abbr[title]
{
  border-bottom: none;
  text-decoration: underline;
  text-decoration: underline dotted;
}

b,strong
{
  font-weight: inherit;
}

b,strong
{
  font-weight: bolder;
}

code,kbd,samp
{
  font-family: monospace,monospace;
  font-size: 1em;
}

dfn
{
  font-style: italic;
}

mark
{
  background-color: #ff0;
  color: #000;
}

small
{
  font-size: 80%;
}

sub,sup
{
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sub
{
  bottom: -0.25em;
}

sup
{
  top: -0.5em;
}

audio,video
{
  display: inline-block;
}

audio:not([controls])
{
  display: none;
  height: 0;
}

img
{
  border-style: none;
}

svg:not(:root)
{
  overflow: hidden;
}

button,input,optgroup,select,textarea
{
  font-family: sans-serif;
  font-size: 100%;
  line-height: 1.15;
  margin: 0;
}

button,input
{
  overflow: visible;
}

button,select
{
  text-transform: none;
}

button,html [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: .35em .75em .625em;
}

legend
{
  box-sizing: border-box;
  color: inherit;
  display: table;
  max-width: 100%;
  padding: 0;
  white-space: normal;
}

progress
{
  display: inline-block;
  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-cancel-button,[type=search]::-webkit-search-decoration
{
  -webkit-appearance: none;
}

::-webkit-file-upload-button
{
  -webkit-appearance: button;
  font: inherit;
}

details,menu
{
  display: block;
}

summary
{
  display: list-item;
}

canvas
{
  display: inline-block;
}

template
{
  display: none;
}

[hidden]
{
  display: none;
}

*
{
  box-sizing: border-box;
}

html
{
  font-size: 62.5%;
}

body
{
  color: #555;
  font-size: 1rem;
  font-family: -apple-system,BlinkMacSystemFont,YakuHanJP,"Hiragino Kaku Gothic ProN",Meiryo,sans-serif;
  line-height: 1.57;
}

h1,h2,h3,h4,h5,h6
{
  font-weight: 300;
  font-family: "Open Sans",sans-serif;
}

h1
{
  font-size: 3.2rem;
}

h2
{
  font-size: 2.8rem;
}

h3
{
  font-size: 2.4rem;
}

h4
{
  font-size: 2rem;
}

h5
{
  font-size: 1.8rem;
}

h6
{
  font-size: 1.6rem;
}

p
{
  font-size: 1.6rem;
}

a
{
  color: #337ab7;
  text-decoration: none;
}

a:hover
{
  color: #175081;
}

ul li
{
  list-style: disc;
}

ol li
{
  list-style: decimal;
}

li
{
  font-size: 1.6rem;
}

dt
{
  margin-top: 16px;
  font-size: 1.6rem;
}

dd
{
  margin: 8px 0 0 20px;
  font-size: 1.6rem;
}

pre
{
  display: block;
  padding: 12px;
  border-radius: 3px;
  background-color: #f8f8f8;
  font-size: 1.2rem;
  word-wrap: break-word;
  overflow: auto;
}

code
{
  line-height: 1.8;
  font-size: 1.4rem;
}

table
{
  border-collapse: collapse;
  border-spacing: 0;
  font-size: 1.6rem;
}

th,td
{
  padding: 8px;
  border: 1px solid #eee;
}

th
{
  background-color: #fafafa;
  font-weight: normal;
}

del
{
  color: #999;
}

blockquote
{
  margin: 0;
  padding: 8px 12px;
  border-left: 3px solid #ccc;
}

blockquote *
{
  margin: 0;
}

img
{
  max-width: 100%;
  height: auto;
}

@font-face
{
  font-family:"OpenSans";font-style:normal;font-weight:300;src:local("OpenSans"),url("/static/fonts/OpenSans-Regular.ttf") format("truetype");
}

@font-face
{
  font-family:"OpenSans";font-style:normal;font-weight:400;src:local("OpenSans"),url("/static/fonts/OpenSans-Regular.ttf") format("truetype");
}

@font-face
{
  font-family:"OpenSans";font-style:normal;font-weight:600;src:local("OpenSans"),url("/static/fonts/OpenSans-Regular.ttf") format("truetype");
}

.l-header
{
  display: block;
  padding: 20px 0;
  text-align: center;

}

.l-nav
{
  width: 96%;
  max-width: 720px;
  margin: 0 auto;
}

.l-main
{
  width: 96%;
  max-width: 720px;
  margin: 40px auto 0;
  background: white;
}

.l-footer
{
  padding: 24px 0;

}

.c-title
{
  font-weight: 300;
  font-family: "Open Sans",sans-serif;
  background: white;
}

.c-links
{
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  margin: 8px 0 0;
  padding: 0;
  background: white;
}

.c-links a
{
  display: flex;
  justify-content: center;
  align-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid;
  border-color: #555;
  border-radius: 50%;
  color: #555;
  transition: .2s;
  background: white;
}

.c-links a:hover
{
  background: #555;
  color: #fff;
}

.c-links__item
{
  margin: 8px 8px 0;
  list-style: none;
}

.c-links__icon
{
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.c-article__title
{
  font-size: 2.4rem;
  background: white;
}

.c-article__title a
{
  color: #555;
  background: white;
}

.c-article__title a:hover
{
  color: #175081;
}

.c-article__meta
{
  font-size: 1.6rem;
  line-height: 1;
}

.c-article__summary
{
  font-size: 1.4rem;
  color: #999;
  line-height: 1.57;
}

.c-article__summary p
{
  margin: 0;
}

.c-article__btn
{
  display: inline-block;
  padding-bottom: 4px;
  font-size: 1.6rem;
}

.c-article__btn::after
{
  content: "";
  display: inline-block;
  margin-left: 3px;
  width: 5px;
  height: 5px;
  border: solid currentColor;
  border-width: 1px 1px 0 0;
  transform: rotate(45deg);
}

.c-avatar
{
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  overflow: hidden;
}

.c-avatar img
{
  max-width: 100%;
  height: auto;
}

.c-meta
{
  display: block;
  font-size: 1.6rem;
}

.c-tag
{
  display: inline-block;
  margin: 8px 6px 0 0;
  padding: 4px;
  font-size: 1.6rem;
  color: #555;
}

.c-tag::before
{
  content: "#";
  display: inline-block;
  margin-right: 2px;
  color: currentColor;
}

.c-tag:hover
{
  background: #fafafa;
}

.c-pagination
{
  font-size: 1.6rem;
}

.c-pagination a
{
  display: inline-block;
  padding: 8px 16px;
  transition: .2s;
}

.c-pagination a:hover
{
  background: #fafafa;
}

.c-pagination__ctrl
{
  display: flex;
  justify-content: space-between;
}

.c-pagination__newer,.c-pagination__older
{
  flex: 1;
}

.c-pagination__newer a::before
{
  content: "";
  display: inline-block;
  position: relative;
  top: -1px;
  width: 4px;
  height: 4px;
  margin-right: 4px;
  border: solid currentColor;
  border-width: 2px 0 0 2px;
  transform: rotate(-45deg);
}

.c-pagination__older
{
  text-align: right;
}

.c-pagination__older a::after
{
  content: "";
  display: inline-block;
  position: relative;
  top: -1px;
  width: 4px;
  height: 4px;
  margin-left: 4px;
  border: solid currentColor;
  border-width: 2px 2px 0 0;
  transform: rotate(45deg);
}

.c-pagination__count
{
  display: block;
  text-align: center;
}

.p-title
{
  margin: 0;
  font-size: 4.4rem;
}

.p-title__link
{
  color: #555;
}

.p-subtitle
{
background: white;
  margin: 12px 0 0 0;
  color: #555;
  font-size: 1.4rem;
  font-weight: 300;
  font-family: "Open Sans",sans-serif;
}

.p-tag-title
{
  display: inline-block;
  margin: 0;
  padding-bottom: 8px;
  border-bottom: 1px solid currentColor;
  color: #555;
  font-size: 2.4rem;
}

.p-tag-title::before
{
  content: "#";
  display: inline-block;
  margin-right: 4px;
}

.p-copyright
{
  margin: 24px 0 0;
  text-align: center;
  font-size: 1.2rem;
  background: white;
}

.p-list-article
{
  margin-top: 40px;
}

.p-list-article:first-child
{
  margin-top: 0;
}

.p-list-article__btn
{
  margin-top: 16px;
}

.p-menu
{
  margin-top: 40px;
  background:white;
}

.p-menu__lists
{
  display: block;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
}

@media screen and (min-width:640px)
{
  .p-menu__lists
  {
    display: flex;
  }
}

.p-menu__listitem
{
  margin: 12px 0 0 0;
  list-style: none;
}

@media screen and (min-width:640px)
{
  .p-menu__listitem
  {
    margin: 24px 24px 0 0;
  }
}

.p-menu__listitem a
{
  padding-bottom: 4px;
}

.p-menu__listitem a:hover
{
  border-bottom: 1px solid currentColor;
}

.p-menu__listitem ul
{
  padding-left: 12px;
}

.p-menu__listitem ul li
{
  margin: 4px 0 0;
}

.p-menu__listitem ul li::before
{
  content: "-";
  margin-right: 4px;
}

.p-menu__parent span
{
  color: #337ab7;
}

.p-author
{
  display: block;
  position: relative;
  width: 100%;
  margin: 20px auto 0;
}

@media screen and (min-width:640px)
{
  .p-author
  {
    display: flex;
    margin: 80px auto 0;
  }
}

.p-author::before
{
  content: "* * *";
  position: absolute;
  top: -30px;
  left: 0;
  right: 0;
  margin: auto;
  text-align: center;
  font-size: 1.4rem;
  color: #999;
}

@media screen and (min-width:640px)
{
  .p-author::before
  {
    top: -50px;
  }
}

.p-author__name
{
  font-size: 2.8rem;
}

.p-author__body
{
  flex: 1;
}

@media screen and (min-width:640px)
{
  .p-author__body
  {
    padding-left: 16px;
  }
}

.p-author__body p
{
  margin: 0;
}

.p-pagination
{
  margin: 30px 0;
}

@media screen and (min-width:640px)
{
  .p-pagination
  {
    margin: 60px 0;
  }
}

.p-pagination__count
{
  margin-top: 24px;
}

.p-article__thumbnail
{
  margin-top: 24px;
}

.p-article__body
{
  margin: 40px 0 30px;
  word-wrap: break-word;
}

@media screen and (min-width:640px)
{
  .p-article__body
  {
    margin: 40px 0 60px;
  }
}

.p-article__body img[data-action^=zoom]:hover
{
  cursor: zoom-in;
}

.p-article__body .zoom-img-wrap img:hover
{
  cursor: zoom-out;
}

.p-notfound
{
  display: flex;
  align-items: center;
  justify-content: center;
  height: 300px;
}

.p-notfound h1
{
  font-size: 10rem;
  font-weight: bold;
}

.p-screen-reader-text
{
  clip: rect(1px, 1px, 1px, 1px);
  position: absolute !important;
  height: 1px;
  width: 1px;
  overflow: hidden;
}

.p-screen-reader-text:hover,.p-screen-reader-text:active,.p-screen-reader-text:focus
{
  background-color: #f1f1f1;
  border-radius: 3px;
  box-shadow: 0 0 2px 2px rgba(0,0,0,.6);
  clip: auto !important;
  color: #337ab7;
  display: block;
  font-size: 14px;
  font-size: .875rem;
  font-weight: bold;
  height: auto;
  left: 5px;
  line-height: normal;
  padding: 15px 23px 14px;
  text-decoration: none;
  top: 5px;
  width: auto;
  z-index: 100000;
}

.p-related
{
display: none;
  margin-bottom: 100px;
}

.p-related__list
{
  position: relative;
}

.p-related__item
{
  list-style: none;
}

.p-related__item a
{
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  padding: 8px;
  background-size: cover;
  background-color: #92c6f2;
  color: #fafafa;
  font-weight: normal;
  font-family: "Open Sans",sans-serif;
}

.p-related__item a::before
{
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,.3);
  transition: .1s;
}

.p-related__item a:hover::before
{
  background: rgba(0,0,0,.6);
}

.p-related__item span
{
  position: relative;
}

.u-dn
{
  display: none !important;
}

.u-db
{
  display: block !important;
}

.u-di
{
  display: inline !important;
}

.u-dib
{
  display: inline-block !important;
}

.u-align-left
{
  display: block !important;
  margin-left: 0 !important;
  margin-right: auto !important;
}

.u-align-center
{
  display: block !important;
  margin-right: auto !important;
  margin-left: auto !important;
}

.u-align-right
{
  display: block !important;
  margin-left: auto !important;
  margin-right: 0 !important;
}
.c-last-update
{
display: none;
}


.collapsible {
  display: block;

  input {
    position: absolute;
    left: -9999px;
    &:focus ~ .collapser{
      border-color: grey;
    }
  }

  .collapser {
    cursor: pointer;
    border: 1px transparent dotted;
  }

  .arrow {
    float: right;
    display: inline-block;
    transform: rotate(90deg);
  }

  .collapsed {
    font-size: 0;
    margin: 0;
    opacity: 0;
    padding: 0;
  }
}