@charset "utf-8";

/*
html5doctor.com Reset Stylesheet
v1.6.1
Last Updated: 2010-09-17
Author: Richard Clark - http://richclarkdesign.com
Twitter: @rich_clark
*/
html, body, div, span, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
abbr, address, cite, code,
del, dfn, em, img, ins, kbd, q, samp,
small, strong, sub, sup, var,
b, i,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, figcaption, figure,
footer, header, hgroup, menu, nav, section, summary,
time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
  font-size: 100%;
  vertical-align: baseline;
  background: transparent;
}

body {
  line-height: 1;
}

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

nav ul {
  list-style: none;
}

blockquote, q {
  quotes: none;
}

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

a {
  margin: 0;
  padding: 0;
  font-size: 100%;
  vertical-align: baseline;
  background: transparent;
}

/* change colours to suit your needs */
ins {
  background-color: #ff9;
  color: #000;
  text-decoration: none;
}

/* change colours to suit your needs */
mark {
  background-color: #ff9;
  color: #000;
  font-style: italic;
  font-weight: bold;
}

del {
  text-decoration: line-through;
}

abbr[title], dfn[title] {
  border-bottom: 1px dotted;
  cursor: help;
}

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;
}

input, select {
  vertical-align: middle;
}

/* base style */
html {
  font-size: 10px;
  -ms-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}

html, body {
  height: 100%;
}

body {
  background: #FFF;
  color: #444;
  font-family:
    "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro",
    "メイリオ", "ＭＳ Ｐゴシック", sans-serif;
  font-style: normal;
  font-weight: normal;
  font-size: 2.0rem;
  line-height: 1.4;
  margin: 0;
  padding: 0;
}

img {
  border: 0;
  display: block;
  margin: 1em auto;
  max-width: 100%;
  height: auto;
}

li {
  list-style-type: none;
}

/* link */
a {
  color: #2899c3;
  -webkit-transition: all 0.3s ease-in-out;
  transition: all 0.3s ease-in-out;
  text-decoration: none;
  border: 0 none;
}

a:visited {
  color: rgb(148, 66, 145);
}

a:hover,
a:focus,
a:active {
  color: rgb(81, 143, 163);
}

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

.tqrfq {
  cursor: pointer;
  -webkit-transition: all 0.3s ease-in-out;
  transition: all 0.3s ease-in-out;
  text-decoration: none;
  color: #2899c3;
}

.tqrfq:hover {
  color: rgb(81, 143, 163);
  outline: 0;
  text-decoration: none;
}

/* character_decoration */
.em_highlight {
  background: -webkit-gradient(linear, left top, left bottom, color-stop(40%, transparent), color-stop(40%, #e3f7ff));
  background: linear-gradient(transparent 40%, #e3f7ff 40%);
  font-weight: bold;
}

.em_bold {
  font-weight: bold;
}

.em_red {
  font-weight: bold;
  color: #7e3440;
}

/* back to top */
.to_menu_and_top {
  z-index: 1;
  position: fixed;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 4px;
  bottom: 5rem;
  right: 2rem;
}

.top:hover {
  -webkit-transform: translateY(-4px);
  transform: translateY(-4px);
  -webkit-transition: all 0.3s ease-in-out;
  transition: all 0.3s ease-in-out;
}

.menu:hover {
  -webkit-transform: translateY(4px);
  transform: translateY(4px);
  -webkit-transition: all 0.3s ease-in-out;
  transition: all 0.3s ease-in-out;
}

.smart {
  display: none;
  visibility: hidden;
}

@media screen and (max-width:640px) {
  .to_menu_and_top {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    width: 100%;
    border-top: solid #CCC 1px;
    position: fixed;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 0px;
    bottom: 0px;
    right: 0;
  }

  .to_menu_and_top img {
    margin: 0 auto;
  }

  .top {
    -webkit-box-flex: 1;
    -ms-flex: 1;
    flex: 1;
    border-right: solid #CCC 1px;
  }

  .menu {
    -webkit-box-flex: 3;
    -ms-flex: 3;
    flex: 3;
  }

  .top:hover,
  .menu:hover {
    -webkit-transform: none;
    transform: none;
  }

  .pc {
    display: none;
    visibility: hidden;
  }

  .smart {
    display: block;
    visibility: visible;
  }
}

/* drawer */
.drawer-hamburger {
  top: 30px;
  padding-right: 30px;
}

.drawer-hamburger-icon {
  width: 26px;
  top: 0px;
}

.drawer--left.drawer-open .drawer-hamburger {
  background: #FFF;
  padding-right: 20px;
}

@media screen and (max-width:1040px) {
  .drawer-hamburger {
    top: 0px;
  }

  .drawer-hamburger-icon {
    top: 0px;
  }

  .drawer--top.drawer-open .drawer-nav {
    top: 0;
    overflow: auto;
  }

  .drawer--top.drawer-open .drawer-nav::-webkit-scrollbar {
    display: none;
  }

  .drawer--left.drawer-open .drawer-nav,
  .drawer--left .drawer-hamburger,
  .drawer--left.drawer-open .drawer-navbar .drawer-hamburger {
    left: 0;
    overflow: auto;
  }

  .drawer--left.drawer-open .drawer-nav::-webkit-scrollbar,
  .drawer--left .drawer-hamburger::-webkit-scrollbar,
  .drawer--left.drawer-open .drawer-navbar .drawer-hamburger::-webkit-scrollbar {
    display: none;
  }

  .drawer--right.drawer-open .drawer-nav,
  .drawer--right .drawer-hamburger,
  .drawer--right.drawer-open .drawer-navbar .drawer-hamburger {
    right: 0;
    overflow: auto;
  }

  .drawer--right.drawer-open .drawer-nav::-webkit-scrollbar,
  .drawer--right .drawer-hamburger::-webkit-scrollbar,
  .drawer--right.drawer-open .drawer-navbar .drawer-hamburger::-webkit-scrollbar {
    display: none;
  }
}

.drawer--left.drawer-open .drawer-hamburger {
  left: 270px;
}

.drawer--left.drawer-open .drawer-hamburger-icon:before,
.drawer--left.drawer-open .drawer-hamburger-icon:after {
  background-color: #333;
}

.drawer-nav {
  width: 270px;
  background: #FFFFFF;
  z-index: 9999;
}

.drawer--left .drawer-nav {
  left: -270px;
}

.drawer-menu {
  padding: 20px;
}

.drawer-menu ul {
  margin-bottom: 20px;
}

.drawer-menu li {
  margin-bottom: 10px;
}

.drawer-menu a,
.drawer-menu span {
  display: block;
  padding: 10px 0;
  text-decoration: none;
  font-size: 16px;
  font-size: 1.6rem;
}

/* treeview icon */
.filetree li a,
.filetree li span {
  display: block;
  cursor: pointer;
  padding: 12px 0px;
}

.icon {
  padding: 5px 0 5px 20px;
  background: url(../images/icon.png) no-repeat 0% 49%;
}

.icon_folder {
  position: relative;
  padding: 5px 0 5px 22px;
  color: #2899c3;
}

.icon_folder::before {
  content: " ";
  height: 16px;
  width: 16px;
  position: absolute;
  top: 22px;
  left: 0;
  background: url(../images/folder.svg) no-repeat 0% 49%;
}

footer .icon_folder::before {
  content: " ";
  height: 16px;
  width: 16px;
  position: absolute;
  top: 14px;
  left: 0;
  background: url(../images/folder.svg) no-repeat 0% 49%;
}

.far.fa-plus-square,
.fas.fa-plus-square {
  padding-right: 5px;
}

.filetree li ul {
  padding-left: 7px;
}

.filetree li ul li ul {
  padding-left: 7px;
}

/* head_menu */
#head_menu {
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  background: #FFF url(../images/border.png)repeat-x 50% 0%;
  padding-top: 10px;
  border-bottom: 1px solid #CCC;
  z-index: 2;
}

@media screen and (max-width:1040px) {
  #head_menu {
    display: none;
    visibility: hidden;
  }
}

.nav {
  width: 1040px;
  margin: 0 auto;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  text-align: center;
  line-height: 1.4;
}

.nav a {
  color: #555;
  font-weight: bold;
  font-size: 15px;
}

.nav_icon {
  margin: -10px 0;
}

.nav_logo,
.nav_ranking,
.nav_review_first,
.nav_review_second,
.nav_recommend {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  width: 20%;
}

.nav_review_first,
.nav_review_second,
.nav_recommend {
  border-left: 1px solid #CCC;
}

.nav_recommend {
  background: #4b6695;
}

.nav_recommend a {
  color: #FFF;
}

/* logo */
.smart_logo {
  display: none;
  visibility: hidden;
}

@media screen and (max-width:1040px) {
  .smart_logo {
    display: block;
    visibility: visible;
  }
}

/*mainimage*/
.mainimage {
  background: #FFF url(../images/bg.jpg)no-repeat 50% 50%;
  background-size: cover;
  z-index: 0;
  overflow: hidden;
}

.mainimage img {
  margin: 0px auto;
}

@media screen and (max-width:1040px) {
  .mainimage img {
    margin: 10px auto;
  }
}

/*contents*/
#contents {
  margin: 0px auto;
  padding-top: 120px;
  text-align: left;
}

@media screen and (max-width:1040px) {
  #contents {
    padding-top: 0px;
  }
}

section,
article {
  padding: 0;
  margin: 0 auto;
}

main {
  margin: 0px auto;
  overflow: visible;
}

main p {
  font-size: 20px;
  font-size: 2.0rem;
  line-height: 160%;
  padding: 10px 10px 10px 10px;
  margin: 0px 0px 30px 0px;
}

.container {
  width: 1040px;
  padding: 2em 0em;
  margin: 0em auto;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

.bg {
  background: #e2f5ff;
}

.bg_profile {
  background: #cee9ee;
}

.bg_wom {
  background: #FFF;
}

.bg_box,
.bg_wom,
.accordion_content {
  border: solid 2px rgb(119, 175, 215);
  border-radius: 6px;
}

.bg_box,
.bg_wom {
  margin-top: 30px;
  padding: 10px;
}

.bg_border {
  background: rgba(227, 244, 255, .3);
  border-top: solid 2px rgb(119, 175, 215);
  border-bottom: solid 2px rgb(119, 175, 215);
}

.conversation,
.bg_firstview {
  background: rgba(223, 237, 255, .4);
  border-top: 1px solid #EEE;
  border-bottom: 1px solid #EEE;
}

.recommend_item {
  background: url(../images/border.png)repeat-x 50% 0%;
}

.hr_top {
  border-top: 1px #CCC solid;
}

.hr_bottom {
  border-bottom: 1px #CCC solid;
}

.bg p,
.bg_box p,
.bg_wom p,
.accordion_content p,
.conversation p,
.recommend_item p {
  margin: 0;
}

.bg_wom h3 {
  position: relative;
}

.bg_wom h3::after {
  font-family: "Font Awesome 5 Free";
  content: "\f086";
  font-weight: 900;
  color: rgb(119, 175, 215);
  position: absolute;
  right: 5px;
}

.bg_wom span {
  display: block;
  text-align: right;
  padding: 10px;
}

@media screen and (max-width:1040px) {
  .container {
    width: 80%;
    padding: 2em;
  }
}

@media screen and (max-width:800px) {
  .container {
    width: 98%;
    padding: .65em;
  }
}

/* Index上部バナー */
.img_flex,
.flexbox {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  margin: 1em auto;
}

.img_flex a,
.banner_recommend {
  margin: 1%;
}

.img_flex a:hover,
.banner_recommend:hover {
  -webkit-transform: translateY(2px);
  transform: translateY(2px);
}

.banner_recommend {
  margin: 0 auto 1.5em auto;
}

/* Index 商品選びの条件 */
.flexbox {
  -webkit-box-align: stretch;
  -ms-flex-align: stretch;
  align-items: stretch;
}

@media screen and (max-width:800px) {
  .flexbox {
    display: block;
  }
}

.item {
  -webkit-box-flex: 1;
  -ms-flex: 1;
  flex: 1;
  margin: 1%;
  padding: 1%;
  border: 2px solid #4b6695;
}

main .item h3 {
  text-align: center;
  border: none;
  padding: 0 0 0 0;
}

main .item p {
  font-size: 19px;
  color: #333;
}

main .item p.center {
  font-weight: bold;
  color: #243f6f;
  border-top: 1px solid #CCC;
  border-bottom: 1px solid #CCC;
}

.center {
  text-align: center;
}

/*list style*/
main ul {
  padding: 10px;
  margin: 10px auto;
}

main ul li {
  list-style: none;
  font-size: 20px;
  font-size: 2.0rem;
  border-bottom: 1px solid #EEE;
  padding-left: 2.5rem;
  margin-bottom: 1em;
  position: relative;
}

main ul li:before {
  content: "●";
  color: rgb(75, 102, 149);
  display: block;
  position: absolute;
  left: 0;
  top: 0;
}

/* Index ranking */
#ranking {
  margin-bottom: 30px;
}

/* heading */
main h1 {
  font-size: 32px;
  font-size: 3.2rem;
  font-weight: bold;
  padding: 20px 0px 20px 20px;
  margin: 0px 0px 30px 0px;
  letter-spacing: 1.5px;
  background: url(../images/border.png)repeat-x 0% 100%;
}

main h2 {
  font-size: 26px;
  font-size: 2.6rem;
  font-weight: bold;
  padding: 0px 0px 20px 25px;
  margin: 40px auto;
  letter-spacing: 0.7px;
  background: url(../images/border.png)repeat-x 0% 100%;
}

main .bg_profile h2 {
  background: none;
  border-bottom: 5px solid rgb(119, 175, 215);
}

main h3 {
  font-size: 24px;
  font-size: 2.4rem;
  border-bottom: 3px solid rgb(119, 175, 215);
  padding: 0px 0px 10px 30px;
  margin: 30px 0px 30px 0px;
}

main h4 {
  font-size: 22px;
  font-size: 2.2rem;
  border-left: 3px solid rgb(119, 175, 215);
  padding: 0px 0px 0px 10px;
  margin: 30px 0px 30px 30px;
}

@media screen and (max-width:640px) {
  main h1, main h2 {
    font-size: 27px;
    font-size: 2.7rem;
    padding: 10px;
  }

  main h3, main h4 {
    font-size: 22px;
    font-size: 2.2rem;
    padding: 10px;
  }
}

/* related_posts */
.related_posts {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  padding-bottom: 1em;
  border-bottom: 1px solid #CCC;
}

.related_posts::after {
  content: "";
  display: block;
  clear: both;
}

@media screen and (max-width:800px) {
  .related_posts {
    display: block;
    border-bottom: 1px solid #CCC;
  }
}

.link_comment a {
  display: block;
  color: #333;
  font-size: 16px;
  margin: 10px auto;
}

a.arrow {
  position: relative;
  display: inline-block;
  padding: 0 32px 0 16px;
  color: #fff;
  text-decoration: none;
  height: 24px;
  line-height: 24px;
  border-radius: 12px;
  background: rgb(119, 175, 215);
  float: right;
}

a.arrow:hover {
  -webkit-transform: translateX(5px);
  transform: translateX(5px);
}

a.arrow:before,
a.arrow:after {
  content: "";
  display: block;
  position: absolute;
}

a.arrow:before {
  width: 16px;
  height: 16px;
  background: #fff;
  border-radius: 50%;
  right: 4px;
  top: 4px;
}

a.arrow:after {
  width: 4px;
  height: 4px;
  border-right: 2px solid rgb(119, 175, 215);
  border-top: 2px solid rgb(119, 175, 215);
  -webkit-transform: rotate(45deg);
  transform: rotate(45deg);
  right: 10px;
  top: 9px;
}

.related_posts_img {
  display: block;
  -webkit-box-flex: 1;
  -ms-flex: 1;
  flex: 1;
  font-weight: bold;
  position: relative;
  width: 240px;
  height: 144px;
  margin: 40px;
  overflow: visible;
}

.related_posts_img:before,
.related_posts_img:after {
  display: block;
  position: absolute;
  left: -10px;
}

.related_posts_img:before {
  content: "";
  border: 6px solid transparent;
  border-top-color: rgb(119, 175, 215);
  border-right-color: rgb(119, 175, 215);
  top: 32px;
}

.related_posts_img:after {
  content: "Related";
  background: rgb(92, 141, 176);
  color: #fff;
  padding: 0 24px;
  height: 24px;
  line-height: 24px;
  top: 8px;
}

@media screen and (max-width:800px) {
  .related_posts_img {
    margin: 50px auto;
  }
}

/*footer*/
footer {
  background: url(../images/border.png)repeat-x 50% 0%;
  color: #555;
  padding-top: 50px;
  margin: 30px auto 0px auto;
}

footer h3 {
  font-size: 20px;
  font-weight: bold;
  padding-bottom: 10px;
  margin-bottom: 10px;
  border-bottom: 1px solid #CCC;
}

footer h3.recommend {
  margin-top: 30px;
}

.footer_box {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: start;
  -ms-flex-align: start;
  align-items: flex-start;
  width: 80%;
  margin: 0 auto;
}

.footer_column {
  -webkit-box-flex: 1;
  -ms-flex: 1;
  flex: 1;
  margin: 1%;
}

@media screen and (max-width:1040px) {
  .footer_box {
    display: block;
    width: 90%;
  }

  .footer_column {
    margin: 30px auto;
  }
}

.footer_column li a,
.footer_column li span {
  display: block;
  padding: 5px 0px;
  color: #2387ac;
  font-size: 20px;
}

footer .copyright {
  border-top: rgb(119, 175, 215) 15px solid;
  background: rgb(75, 102, 149);
  font-size: 15px;
  color: #FFF;
  text-align: center;
  padding: 20px;
}

@media screen and (max-width:640px) {
  footer .copyright {
    padding: 20px 0 80px 0;
  }
}

/*ボタン*/
main .btn a, main .btn span {
  font-size: 20px;
  font-size: 2.0rem;
  text-align: center;
  font-weight: bold;
  display: block;
  margin: 30px auto 30px auto;
  padding: 1em;
  border-radius: 4px;
  color: white;
  background: #cc4141;
  -webkit-box-shadow: 0px 2px 2px rgba(0, 0, 0, 0.29);
  box-shadow: 0px 2px 2px rgba(0, 0, 0, 0.29);
  border-bottom: solid 3px #963535;
  width: 80%;
}

main .btn a:hover, main .btn span:hover {
  -webkit-transform: translateY(4px);
  transform: translateY(4px);
  -webkit-transition: .3s ease-in-out;
  transition: .3s ease-in-out;
  -webkit-box-shadow: 0px 0px 1px rgba(0, 0, 0, 0.2);
  box-shadow: 0px 0px 1px rgba(0, 0, 0, 0.2);
  border-bottom: none;
  color: white;
}

main .conversion_extrapage{
  margin-bottom: 75px;
}

@media screen and (max-width:599px) {
  main .btn a, main .btn span {
    width: 96%;
    padding: 0.7em 1%;
  }
}

.fa-external-link-alt {
  padding-left: 10px;
}

/* ページ内目次（toc.min.js） */
#toc {
  padding: 0.5em 1em;
  margin: 2em auto;
  background: #FFF;
  border: solid 1px #AAA;
}

#toc::before {
  content: "この記事の目次";
  font-weight: bold;
}

#toc ol {
  padding-left: 0px;
}

#toc li {
  margin: 9px 2px;
  font-size: 20px;
  font-size: 2.0rem;
}

#toc ol li {
  list-style: none;
}

#toc ol li+li {
  margin-top: 2px;
}

#toc ol li a {
  position: relative;
  display: block;
  padding: 0 0 0 1.3em;
}

#toc ol li a::before,
#toc ol li a::after {
  position: absolute;
  display: block;
  top: 0;
  left: 0;
  width: 20px;
  height: 2em;
  text-align: center;
}

#toc ol li a::before {
  margin-top: .2rem;
  color: #333;
  font-weight: 500;
}

#toc ol li a::after {
  content: "";
  border-radius: 2px;
}

/* 大見出し */
#toc ol {
  counter-reset: contentNum;
}

#toc ol li.toc-h2 a::before {
  content: counter(contentNum) ".";
  counter-increment: contentNum;
}

/* 中見出し */
#toc ol li.toc-h3 {
  padding-left: 1em;
}

#toc ol li.toc-h3 a {
  padding-left: 2.3em;
}

#toc ol li.toc-h3 a::before,
#toc ol li.toc-h3 a::after {
  width: 39px;
}

#toc ol li.toc-h2 {
  counter-reset: subContNum;
}

#toc ol li.toc-h3 a::before,
#toc ol li.toc-h4 a::before {
  white-space: nowrap;
  color: #333;
}

#toc ol li.toc-h3 a::before {
  counter-increment: subContNum;
  content: counter(contentNum) "-"counter(subContNum) ".";
  color: #333;
}

#toc ol li.toc-h3 a::after,
#toc ol li.toc-h4 a::after {}

/* 小見出し */
#toc ol li.toc-h4 {
  padding-left: 2em;
}

#toc ol li.toc-h4 a {
  padding: 0 0 0 3.2em;
}

#toc ol li.toc-h4 a::before,
#toc ol li.toc-h4 a::after {
  width: 54px;
}

#toc ol li.toc-h3 {
  counter-reset: section;
}

#toc ol li.toc-h4 a::before {
  counter-increment: section;
  content: counter(contentNum) "-"counter(subContNum) "-"counter(section) ".";
  color: #333;
}

@media screen and (max-width:640px) {
  #toc ol li.toc-h3 {
    padding-left: .6em;
  }

  #toc ol li.toc-h4 {
    padding-left: 1em;
  }
}

/*table*/
table {
  border-collapse: collapse;
  margin: 0 auto;
  table-layout: fixed;
  width: 100%;
  text-align: center;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  word-wrap: break-word;
  border: 1px solid #CCC;
}

td, th {
  padding: 10px;
  border: 1px solid #CCC;
}

th {
  color: #FFF;
  background: #CCC;
}

@media screen and (max-width:1040px) {
  .table_data {
    width: 100%;
    overflow-x: scroll;
  }

  table {
    border-collapse: collapse;
    width: 640px;
  }

  table td, table th {
    padding: 10px;
  }

  .wide {
    width: 50%;
  }
}

/* arwbox */
.arwbox-right,
.arwbox-left {
  padding-top: 15px;
  padding-bottom: 15px;
  min-height: 160px;
}

.arwbox-right img,
.arwbox-left img {
  background-color: #CCC;
  border: 1px solid #CCC;
  border-radius: 2.5em;
  width: 75px;
  height: 75px;
  margin-top: 2px;
  background-size: cover;
}

.arwbox-right img {
  float: right;
}

.arwbox-left img {
  float: left;
}

.arwbox-right p,
.arwbox-left p {
  padding: 10px;
  position: relative;
  border: 1px solid #CCC;
  border-radius: 10px;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  width: calc(100% - 100px);
  margin-top: 16px;
  background: #FFF;
}

.arwbox-left p {
  float: right;
}

.arwbox-right p:before,
.arwbox-right p:after,
.arwbox-left p:before,
.arwbox-left p:after {
  top: 13px;
}

.arwbox-right p:before {
  content: '';
  border: 10px solid transparent;
  border-left: 15px solid #CCC;
  position: absolute;
  left: 100%;
}

.arwbox-right p:after {
  content: '';
  border: 10px solid transparent;
  border-left: 15px solid #FFF;
  position: absolute;
  left: calc(100% - 1px);
}

.arwbox-left p:before {
  content: '';
  border: 10px solid transparent;
  border-right: 15px solid #CCC;
  position: absolute;
  right: 100%;
}

.arwbox-left p:after {
  content: '';
  border: 10px solid transparent;
  border-right: 15px solid white;
  position: absolute;
  right: calc(100% - 1px);
}

.clear {
  clear: both;
}

@media screen and (max-width:1040px) {

  .arwbox-right,
  .arwbox-left {
    min-height: auto;
  }

  .arwbox-right img,
  .arwbox-left img,
  .arwbox-left p {
    float: none;
  }

  .arwbox-right p:before,
  .arwbox-right p:after,
  .arwbox-left p:before,
  .arwbox-left p:after {
    display: none;
    visibility: hidden;
  }

  .arwbox-right p,
  .arwbox-left p {
    width: 100%;
  }
}

/* 情報記事のリンクスタイル */
.to_related_article {
  margin: 1em auto;
  background: #FFF;
}

.to_related_article::before {
  content: "【関連記事】";
  padding-right: 10px;
}

.to_related_article::after {
  font-family: "Font Awesome 5 Free";
  content: "\f0c1";
  font-weight: 900;
  color: rgb(71, 105, 156);
  padding-left: 10px;
}

/* accordion */
main h2+dl.accordion,
main h3+dl.accordion,
main h4+dl.accordion {
  margin-top: -15px;
}

dl.accordion {
  font-size: 18px;
  margin: 0 auto 40px auto;
}

dl.accordion dt {
  background: rgb(119, 175, 215);
  border-bottom: 3px solid rgb(172, 207, 232);
  border-radius: 4px;
  cursor: pointer;
  padding: 10px;
  color: #fff;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
}

dl.accordion dt.open {
  background: rgb(119, 175, 215);
  margin-bottom: 10px;
}

dl.accordion dt:hover {
  -webkit-transform: translateY(-2px);
  transform: translateY(-2px);
  opacity: 0.5;
  -webkit-transition: 0.3s all;
  transition: 0.3s all;
}

dl.accordion dt::after {
  content: "▼展開";
  font-size: 75%;
  color: #FFF;
  -ms-flex-line-pack: center;
  align-content: center;
  -ms-flex-item-align: center;
  -ms-grid-row-align: center;
  align-self: center;
  text-align: right;
  width: 250px;
}

dl.accordion dt.open::after {
  content: "▲閉じる";
  font-size: 75%;
  color: #FFF;
  -ms-flex-line-pack: center;
  align-content: center;
  -ms-flex-item-align: center;
  -ms-grid-row-align: center;
  align-self: center;
  text-align: right;
  width: 250px;
}

@media (max-width: 480px) {
  dl.accordion {
    width: 100%;
  }

  dl.accordion dt {
    background: rgb(119, 175, 215);
    display: block;
    padding: 10px 10px 10px 10px;
  }

  dl.accordion dt::after {
    text-align: right;
    width: 100%;
    display: block;
  }

  dl.accordion dt.open::after {
    font-size: 75%;
    width: 100%;
    display: block;
  }
}

/* fixed menu shift modification */
[id^="toc"],
#localnavi,
#menu,
#ranking,
#top {
  padding-top: 150px;
  margin-top: -150px;
}

.arwbox_mod {
  margin: 50px auto;
}

@media screen and (max-width:1040px) {

  [id^="toc"],
  #localnavi,
  #menu,
  #ranking,
  #top {
    margin-top: 0;
    padding-top: 0;
  }
}

/* メイン画像 */
.img_pc {
  display: block;
  visibility: visible;
}

.img_sp {
  display: none;
  visibility: hidden;
}

@media screen and (max-width:1040px) {
  .img_pc {
    display: none;
    visibility: hidden;
  }

  .img_sp {
    display: block;
    visibility: visible;
  }
}