@charset "UTF-8";
/* Reset Css and Base Style */
/*! normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css */
html {
  line-height: 1.15;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
}

main {
  display: block;
}

h1 {
  font-size: 2em;
  margin: 0.67em 0;
}

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

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

a {
  background-color: transparent;
}

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

b,
strong {
  font-weight: bolder;
}

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

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;
}

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 0.625em;
}

legend {
  -webkit-box-sizing: border-box;
  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"] {
  -webkit-box-sizing: border-box;
  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-item;
}

template {
  display: none;
}

[hidden] {
  display: none;
}

/**
 * Reset Styles
 * Deprecated normalize.css v5.0.0
 * 参考 : html5doctor.com Reset Stylesheet v1.6.1
 */
blockquote, q {
  quotes: none;
}

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

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

/* change border colour to suit your needs */
hr {
  display: block;
  height: 1px;
  border: 0;
  border-top: 1px solid #cccccc;
  margin: 1em 0;
  padding: 0;
}

/* form */
input[type="text"]:focus,
input[type="password"]:focus,
textarea:focus,
select:focus {
  outline: 1px solid #8dafe6;
}

/* ----------------------------------------
*	add reset style
---------------------------------------- */
input[type="image"]:focus,
input[type="button"]:focus {
  outline: none;
}

/* padding,margin reset */
h1, h2, h3, h4, h5, h6, p, dl, dt, dd, ul, ol, li, figure, figcaption {
  padding: 0;
  margin: 0;
}

/* list reset */
ul, ol {
  list-style: none;
}

/* img vertical-align */
img {
  vertical-align: top;
}

/* ----------------------------------------
*	clearfix class
---------------------------------------- */
.clearfix:after {
  content: " ";
  display: block;
  clear: both;
}

/* ----------------------------------------
*	Base Style
---------------------------------------- */
html {
  font-family: "Hiragino Kaku Gothic ProN", "ヒラギノ角ゴ Pro W3", Meiryo, "メイリオ", sans-serif;
  font-size: 16px;
  color: #000000;
}

a {
  color: #333;
}

a:hover {
  text-decoration: none;
}

/* ----------------------------------------
*	Expand Base Style
---------------------------------------- */
.wrapper img {
  max-width: 100%;
  height: auto;
}

.wrapper *,
.wrapper *::before,
.wrapper *::after {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

.u-fluid-img {
  width: 100%;
  height: auto;
}

.is-sp-show {
  display: none;
}

@media screen and (max-width: 768px) {
  .is-sp-show {
    display: block;
  }
  br.is-sp-show {
    display: inline;
  }
  img.is-sp-show {
    display: inline;
  }
  span.is-sp-show {
    display: inline;
  }
}

.is-tablet-show {
  display: none;
}

@media screen and (min-width: 769px) and (max-width: 959px) {
  .is-tablet-show {
    display: block;
  }
  br.is-tablet-show {
    display: inline;
  }
  img.is-tablet-show {
    display: inline;
  }
  span.is-tablet-show {
    display: inline;
  }
}

.is-tabletSp-show {
  display: none;
}

@media screen and (max-width: 959px) {
  .is-tabletSp-show {
    display: block;
  }
  br.is-tabletSp-show {
    display: inline;
  }
  img.is-tabletSp-show {
    display: inline;
  }
  span.is-tabletSp-show {
    display: inline;
  }
}

@media screen and (max-width: 768px) {
  .is-tabletPc-show {
    display: none;
  }
}

@media screen and (max-width: 960px) {
  .is-pc-show {
    display: none;
  }
}

.wrapper {
  max-width: 100%;
  font-size: 16px;
}

/* Utility Classes */
.is-hidden {
  display: none !important;
}

.is-unvisible {
  visibility: hidden;
}

.is-show {
  display: block !important;
}

/* common
---------------------------------------------- */
html {
  height: 100%;
  min-height: 100%;
  background-color: #f7f5ef;
}

.wf-hannari {
  font-family: "Hannari", "游明朝体", "Yu Mincho", YuMincho, Serif;
}

.container {
  max-width: 800px;
  margin-right: auto;
  margin-left: auto;
}

.container--narrow {
  max-width: 620px;
}

.loading {
  overflow: hidden;
  position: relative;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.75);
}

.loading__spin {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  width: 1em;
  height: 1em;
  margin: auto auto;
  color: #339900;
  font-size: 20px;
  text-indent: -9999em;
  border-radius: 50%;
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  -webkit-animation: loader-spin 1s infinite linear;
  animation: loader-spin 1s infinite linear;
}

@-webkit-keyframes loader-spin {
  0%,
  100% {
    -webkit-box-shadow: 0 -3em 0 0.2em, 2em -2em 0 0em, 3em 0 0 -1em, 2em 2em 0 -1em, 0 3em 0 -1em, -2em 2em 0 -1em, -3em 0 0 -1em, -2em -2em 0 0;
    box-shadow: 0 -3em 0 0.2em, 2em -2em 0 0em, 3em 0 0 -1em, 2em 2em 0 -1em, 0 3em 0 -1em, -2em 2em 0 -1em, -3em 0 0 -1em, -2em -2em 0 0;
  }
  12.5% {
    -webkit-box-shadow: 0 -3em 0 0, 2em -2em 0 0.2em, 3em 0 0 0, 2em 2em 0 -1em, 0 3em 0 -1em, -2em 2em 0 -1em, -3em 0 0 -1em, -2em -2em 0 -1em;
    box-shadow: 0 -3em 0 0, 2em -2em 0 0.2em, 3em 0 0 0, 2em 2em 0 -1em, 0 3em 0 -1em, -2em 2em 0 -1em, -3em 0 0 -1em, -2em -2em 0 -1em;
  }
  25% {
    -webkit-box-shadow: 0 -3em 0 -0.5em, 2em -2em 0 0, 3em 0 0 0.2em, 2em 2em 0 0, 0 3em 0 -1em, -2em 2em 0 -1em, -3em 0 0 -1em, -2em -2em 0 -1em;
    box-shadow: 0 -3em 0 -0.5em, 2em -2em 0 0, 3em 0 0 0.2em, 2em 2em 0 0, 0 3em 0 -1em, -2em 2em 0 -1em, -3em 0 0 -1em, -2em -2em 0 -1em;
  }
  37.5% {
    -webkit-box-shadow: 0 -3em 0 -1em, 2em -2em 0 -1em, 3em 0em 0 0, 2em 2em 0 0.2em, 0 3em 0 0em, -2em 2em 0 -1em, -3em 0em 0 -1em, -2em -2em 0 -1em;
    box-shadow: 0 -3em 0 -1em, 2em -2em 0 -1em, 3em 0em 0 0, 2em 2em 0 0.2em, 0 3em 0 0em, -2em 2em 0 -1em, -3em 0em 0 -1em, -2em -2em 0 -1em;
  }
  50% {
    -webkit-box-shadow: 0 -3em 0 -1em, 2em -2em 0 -1em, 3em 0 0 -1em, 2em 2em 0 0em, 0 3em 0 0.2em, -2em 2em 0 0, -3em 0em 0 -1em, -2em -2em 0 -1em;
    box-shadow: 0 -3em 0 -1em, 2em -2em 0 -1em, 3em 0 0 -1em, 2em 2em 0 0em, 0 3em 0 0.2em, -2em 2em 0 0, -3em 0em 0 -1em, -2em -2em 0 -1em;
  }
  62.5% {
    -webkit-box-shadow: 0 -3em 0 -1em, 2em -2em 0 -1em, 3em 0 0 -1em, 2em 2em 0 -1em, 0 3em 0 0, -2em 2em 0 0.2em, -3em 0 0 0, -2em -2em 0 -1em;
    box-shadow: 0 -3em 0 -1em, 2em -2em 0 -1em, 3em 0 0 -1em, 2em 2em 0 -1em, 0 3em 0 0, -2em 2em 0 0.2em, -3em 0 0 0, -2em -2em 0 -1em;
  }
  75% {
    -webkit-box-shadow: 0em -3em 0 -1em, 2em -2em 0 -1em, 3em 0em 0 -1em, 2em 2em 0 -1em, 0 3em 0 -1em, -2em 2em 0 0, -3em 0em 0 0.2em, -2em -2em 0 0;
    box-shadow: 0em -3em 0 -1em, 2em -2em 0 -1em, 3em 0em 0 -1em, 2em 2em 0 -1em, 0 3em 0 -1em, -2em 2em 0 0, -3em 0em 0 0.2em, -2em -2em 0 0;
  }
  87.5% {
    -webkit-box-shadow: 0em -3em 0 0, 2em -2em 0 -1em, 3em 0 0 -1em, 2em 2em 0 -1em, 0 3em 0 -1em, -2em 2em 0 0, -3em 0em 0 0, -2em -2em 0 0.2em;
    box-shadow: 0em -3em 0 0, 2em -2em 0 -1em, 3em 0 0 -1em, 2em 2em 0 -1em, 0 3em 0 -1em, -2em 2em 0 0, -3em 0em 0 0, -2em -2em 0 0.2em;
  }
}

@keyframes loader-spin {
  0%,
  100% {
    -webkit-box-shadow: 0 -3em 0 0.2em, 2em -2em 0 0em, 3em 0 0 -1em, 2em 2em 0 -1em, 0 3em 0 -1em, -2em 2em 0 -1em, -3em 0 0 -1em, -2em -2em 0 0;
    box-shadow: 0 -3em 0 0.2em, 2em -2em 0 0em, 3em 0 0 -1em, 2em 2em 0 -1em, 0 3em 0 -1em, -2em 2em 0 -1em, -3em 0 0 -1em, -2em -2em 0 0;
  }
  12.5% {
    -webkit-box-shadow: 0 -3em 0 0, 2em -2em 0 0.2em, 3em 0 0 0, 2em 2em 0 -1em, 0 3em 0 -1em, -2em 2em 0 -1em, -3em 0 0 -1em, -2em -2em 0 -1em;
    box-shadow: 0 -3em 0 0, 2em -2em 0 0.2em, 3em 0 0 0, 2em 2em 0 -1em, 0 3em 0 -1em, -2em 2em 0 -1em, -3em 0 0 -1em, -2em -2em 0 -1em;
  }
  25% {
    -webkit-box-shadow: 0 -3em 0 -0.5em, 2em -2em 0 0, 3em 0 0 0.2em, 2em 2em 0 0, 0 3em 0 -1em, -2em 2em 0 -1em, -3em 0 0 -1em, -2em -2em 0 -1em;
    box-shadow: 0 -3em 0 -0.5em, 2em -2em 0 0, 3em 0 0 0.2em, 2em 2em 0 0, 0 3em 0 -1em, -2em 2em 0 -1em, -3em 0 0 -1em, -2em -2em 0 -1em;
  }
  37.5% {
    -webkit-box-shadow: 0 -3em 0 -1em, 2em -2em 0 -1em, 3em 0em 0 0, 2em 2em 0 0.2em, 0 3em 0 0em, -2em 2em 0 -1em, -3em 0em 0 -1em, -2em -2em 0 -1em;
    box-shadow: 0 -3em 0 -1em, 2em -2em 0 -1em, 3em 0em 0 0, 2em 2em 0 0.2em, 0 3em 0 0em, -2em 2em 0 -1em, -3em 0em 0 -1em, -2em -2em 0 -1em;
  }
  50% {
    -webkit-box-shadow: 0 -3em 0 -1em, 2em -2em 0 -1em, 3em 0 0 -1em, 2em 2em 0 0em, 0 3em 0 0.2em, -2em 2em 0 0, -3em 0em 0 -1em, -2em -2em 0 -1em;
    box-shadow: 0 -3em 0 -1em, 2em -2em 0 -1em, 3em 0 0 -1em, 2em 2em 0 0em, 0 3em 0 0.2em, -2em 2em 0 0, -3em 0em 0 -1em, -2em -2em 0 -1em;
  }
  62.5% {
    -webkit-box-shadow: 0 -3em 0 -1em, 2em -2em 0 -1em, 3em 0 0 -1em, 2em 2em 0 -1em, 0 3em 0 0, -2em 2em 0 0.2em, -3em 0 0 0, -2em -2em 0 -1em;
    box-shadow: 0 -3em 0 -1em, 2em -2em 0 -1em, 3em 0 0 -1em, 2em 2em 0 -1em, 0 3em 0 0, -2em 2em 0 0.2em, -3em 0 0 0, -2em -2em 0 -1em;
  }
  75% {
    -webkit-box-shadow: 0em -3em 0 -1em, 2em -2em 0 -1em, 3em 0em 0 -1em, 2em 2em 0 -1em, 0 3em 0 -1em, -2em 2em 0 0, -3em 0em 0 0.2em, -2em -2em 0 0;
    box-shadow: 0em -3em 0 -1em, 2em -2em 0 -1em, 3em 0em 0 -1em, 2em 2em 0 -1em, 0 3em 0 -1em, -2em 2em 0 0, -3em 0em 0 0.2em, -2em -2em 0 0;
  }
  87.5% {
    -webkit-box-shadow: 0em -3em 0 0, 2em -2em 0 -1em, 3em 0 0 -1em, 2em 2em 0 -1em, 0 3em 0 -1em, -2em 2em 0 0, -3em 0em 0 0, -2em -2em 0 0.2em;
    box-shadow: 0em -3em 0 0, 2em -2em 0 -1em, 3em 0 0 -1em, 2em 2em 0 -1em, 0 3em 0 -1em, -2em 2em 0 0, -3em 0em 0 0, -2em -2em 0 0.2em;
  }
}

/* header, footer
---------------------------------------------- */
.header {
  padding: 20px;
  text-align: center;
  background-color: #fff;
}

.header h1 {
  font-size: 1em;
}

.footer {
  padding: 30px 20px;
  text-align: center;
}

.footer__brand {
  margin-bottom: 20px;
}

.footer__copyright {
  display: block;
  font-size: 1.125rem;
}

@media screen and (max-width: 768px) {
  .footer {
    padding: 20px 10px;
  }
  .footer__brand {
    max-width: 80px;
    margin-right: auto;
    margin-bottom: 10px;
    margin-left: auto;
  }
  .footer__copyright {
    font-size: 0.75rem;
  }
}

.main {
  position: relative;
  min-height: calc(100vh - (101px + 150px));
}

.main .loading {
  position: absolute;
  z-index: 100;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

@media screen and (max-width: 768px) {
  .main {
    min-height: calc(100vh - (101px + 88px));
  }
}

.main--top {
  min-height: auto;
}

@media screen and (max-width: 768px) {
  .main--top {
    min-height: auto;
  }
}

/* ----------------------------------------------
Top
---------------------------------------------- */
.top {
  padding: 30px 20px 70px;
  text-align: center;
}

.top-title {
  font-size: 1rem;
}

.top-title__sub {
  display: block;
  margin-bottom: 18px;
  font-size: 1.125rem;
}

.top-lead {
  padding: 35px 0 35px;
  font-size: 1.125rem;
  line-height: 1.66667;
}

.top-start a {
  -webkit-transition: opacity .3s ease-in-out;
  -o-transition: opacity .3s ease-in-out;
  transition: opacity .3s ease-in-out;
}

.top-start a:hover {
  opacity: .65;
}

@media screen and (max-width: 768px) {
  .top {
    padding: 15px 15px 45px;
  }
  .top-title__sub {
    font-size: 0.875rem;
  }
  .top-lead {
    padding: 2em 0 2em;
    font-size: 0.9375rem;
  }
}

/* ----------------------------------------------
 diagnosis
---------------------------------------------- */
.diagnosis {
  position: relative;
  padding: 30px 0 60px;
}

.diagnosis__head {
  text-align: center;
}

.diagnosis__step {
  min-width: 90px;
  margin-bottom: 30px;
  padding-bottom: 35px;
  font-size: 1.5rem;
  font-weight: normal;
  text-align: center;
  background: url(../imgs/icon_arrow-b_dash.png) center bottom no-repeat;
}

.diagnosis__ques-text {
  margin-bottom: .5em;
  font-size: 1.5rem;
  font-weight: bold;
  line-height: 1.5;
}

.diagnosis__ques-help {
  margin-bottom: 20px;
  font-size: 1.125rem;
  font-weight: normal;
}

.diagnosis__options {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 20px;
}

.diagnosis__option-item:not(:last-child) {
  margin-bottom: 16px;
}

@media screen and (max-width: 768px) {
  .diagnosis {
    padding: 30px 15px 40px;
  }
  .diagnosis__step {
    min-width: 90px;
    margin-bottom: 20px;
    padding-bottom: 25px;
    font-size: 1.5rem;
    font-weight: normal;
    text-align: center;
    background: url(../imgs/icon_arrow-b_dash.png) center bottom no-repeat;
    background-size: 60px auto;
  }
  .diagnosis__ques-text {
    font-size: 1.125rem;
  }
  .diagnosis__ques-help {
    margin-bottom: 30px;
    font-size: 0.875rem;
    font-weight: normal;
  }
  .diagnosis__options {
    max-width: 640px;
    margin: 0 auto;
    padding: 0 10px;
  }
}

.option-btn {
  position: relative;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  width: 100%;
  padding: 15px;
  cursor: pointer;
  background: #fff;
  border: none;
  -webkit-transition: background-color .4s ease-in-out;
  -o-transition: background-color .4s ease-in-out;
  transition: background-color .4s ease-in-out;
}

.option-btn:hover {
  background-color: #339900;
}

.option-btn span {
  position: relative;
  z-index: 3;
  display: block;
}

.option-btn::before {
  content: '';
  position: absolute;
  z-index: 1;
  top: 15px;
  left: 15px;
  width: calc(100% - 30px);
  height: calc(100% - 30px);
  background: url(../imgs/bg_answer_pt.png);
}

.option-btn__icon {
  -ms-flex-negative: 0;
  flex-shrink: 0;
  padding: 0 15px;
}

.option-btn__text {
  padding: 0 15px;
  font-size: 1.5rem;
  line-height: 1.25;
  text-align: left;
}

@media screen and (max-width: 768px) {
  .option-btn {
    padding: 8px;
  }
  .option-btn::before {
    top: 8px;
    left: 8px;
    width: calc(100% - 16px);
    height: calc(100% - 16px);
    background-size: 15px 15px;
  }
  .option-btn__icon {
    width: 41px;
    padding: 0 8px;
  }
  .option-btn__text {
    padding: 8px;
    font-size: 1rem;
  }
}

/* ----------------------------------------------
 result
---------------------------------------------- */
.result {
  padding: 30px 0 60px;
}

.result__head {
  text-align: center;
}

.result__head-title {
  min-width: 90px;
  margin-bottom: 30px;
  padding-bottom: 35px;
  font-size: 1.5rem;
  font-weight: normal;
  text-align: center;
  background: url(../imgs/icon_arrow-b_dash.png) center bottom no-repeat;
}

.result__head-lead {
  margin-bottom: 40px;
  font-size: 1.875rem;
  font-weight: bold;
  line-height: 1.5;
}

.result__body {
  position: relative;
}

.result__loading {
  position: absolute;
  z-index: 1000;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

@media screen and (max-width: 768px) {
  .result {
    padding: 30px 15px 40px;
  }
  .result__head-title {
    min-width: 90px;
    margin-bottom: 20px;
    padding-bottom: 25px;
    font-size: 1.5rem;
    font-weight: normal;
    text-align: center;
    background: url(../imgs/icon_arrow-b_dash.png) center bottom no-repeat;
    background-size: 60px auto;
  }
  .result__head-lead {
    margin-bottom: 30px;
    font-size: 1.625rem;
  }
}

.section {
  padding: 30px 15px 35px;
  background-color: #efeade;
}

.section + .section {
  margin-top: 30px;
}

.section__title {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  max-width: 300px;
  margin: 0 auto 30px;
  padding: 10px;
  color: #fff;
  font-size: 1.5rem;
  background: #339900 center no-repeat;
  background-size: 100% auto;
}

.section__title span {
  display: block;
  padding: 0 10px;
}

.section__title-name {
  font-weight: bold;
}

@media screen and (max-width: 768px) {
  .section__title {
    font-size: 1.375rem;
  }
}

.section--series .section__title,
.section--column .section__title,
.section--knowledge .section__title,
.section--others .section__title {
  padding: 17px 10px 12px;
  background-color: transparent;
}

.section--knowledge {
  color: #00997e;
  background-color: rgba(0, 153, 126, 0.1);
}

.section--knowledge .section__title {
  background-image: url(../imgs/bg_label_knowledge.png);
}

.section--column {
  color: #349900;
  background-color: rgba(52, 153, 0, 0.1);
}

.section--column .section__title {
  background-image: url(../imgs/bg_label_column.png);
}

.section--series {
  color: #007799;
  background-color: rgba(0, 119, 153, 0.1);
}

.section--series .section__title {
  background-image: url(../imgs/bg_label_series.png);
}

.section--others {
  color: #ac9200;
  background-color: rgba(172, 146, 0, 0.1);
}

.section--others .section__title {
  background-image: url(../imgs/bg_label_others.png);
}

.article {
  position: relative;
  max-width: 590px;
  margin-right: auto;
  margin-left: auto;
  background-color: #fff;
}

.article:not(:last-child) {
  margin-bottom: 30px;
}

.article__inner a {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  width: 100%;
  max-width: 590px;
  color: inherit;
  text-decoration: none;
}

.article__thumb {
  overflow: hidden;
  position: relative;
  -ms-flex-negative: 0;
  flex-shrink: 0;
  width: 160px;
  height: 180px;
  background: transparent center no-repeat;
  background-size: cover;
}

.article__body {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  position: relative;
  padding: 15px;
  width: 72.26891%;
  background-color: #fff;
}

.article__body::before {
  content: '';
  position: absolute;
  z-index: 1;
  top: 15px;
  left: 15px;
  width: calc(100% - 30px);
  height: calc(100% - 30px);
  background: url(../imgs/bg_answer_pt.png);
}

.article__body > * {
  position: relative;
  z-index: 5;
}

.article__title {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  min-height: 2.875em;
  margin: 0 3px;
  padding: 5px 0 10px;
  font-size: 1.5rem;
  font-weight: bold;
  line-height: 1.25;
  word-break: break-all;
  border-bottom: 1px solid;
}

.article__info {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  padding: 20px 3px 8px;
}

.article__copy {
  font-size: 1.125rem;
  line-height: 1.38889;
}

.article__icon {
  -ms-flex-item-align: start;
  align-self: flex-start;
  -ms-flex-negative: 0;
  flex-shrink: 0;
  width: 45px;
  height: 45px;
  background: no-repeat center;
  background-image: url(../imgs/icon_arrow_column-r.png);
  background-size: 100%;
}

@media screen and (max-width: 768px) {
  .article__body {
    padding: 8px;
    width: auto;
  }
  .article__body::before {
    top: 8px;
    left: 8px;
    width: calc(100% - 16px);
    height: calc(100% - 16px);
  }
  .article__title {
    min-height: 3.125em;
    margin: 0 3px;
    padding: 5px 0 5px;
    font-size: 1.25rem;
  }
  .article__thumb {
    width: 80px;
    height: 90px;
  }
  .article__info {
    padding: 5px 3px 4px;
  }
  .article__copy {
    font-size: 0.8125rem;
  }
  .article__icon {
    -ms-flex-negative: 0;
    flex-shrink: 0;
    width: 22px;
    height: 22px;
  }
}

.article--knowledge .article__icon {
  background-image: url(../imgs/icon_arrow_knowledge-r.png);
}

.article--column .article__icon {
  background-image: url(../imgs/icon_arrow_column-r.png);
}

.article--series .article__icon {
  background-image: url(../imgs/icon_arrow_series-r.png);
}

.article--others .article__icon {
  background-image: url(../imgs/icon_arrow_others-r.png);
}

.totop {
  padding: 10px 0 20px;
  text-align: center;
}

.btn-totop {
  display: inline-block;
  padding: 0.83333em 1.38889em;
  color: #000000;
  font-size: 1.125rem;
  text-decoration: none;
  border: 1px solid;
  -webkit-transition-timing-function: ease-in-out;
  -o-transition-timing-function: ease-in-out;
  transition-timing-function: ease-in-out;
  -webkit-transition-duration: .25s;
  -o-transition-duration: .25s;
  transition-duration: .25s;
  -webkit-transition-property: color, background-color, border;
  -o-transition-property: color, background-color, border;
  transition-property: color, background-color, border;
}

.btn-totop:hover {
  color: #fff;
  background-color: #339900;
  border-color: #339900;
}

@media screen and (max-width: 768px) {
  .btn-totop {
    font-size: 0.875rem;
  }
}