@charset "UTF-8";
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;
}

/* HTML5 display-role reset for older browsers */
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  display: block;
}

body {
  line-height: 1;
}

ol,
ul {
  list-style: none;
}

a {
  text-decoration: none;
}

blockquote,
q {
  quotes: none;
}

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

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

/*--- iosのスタイルリセット  ---*/
input[type=submit],
input[type=button] {
  border-radius: 10px;
  -webkit-box-sizing: content-box;
  -webkit-appearance: button;
  -moz-appearance: button;
       appearance: button;
  border: none;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  cursor: pointer;
}

input[type=submit]::-webkit-search-decoration,
input[type=button]::-webkit-search-decoration {
  display: none;
}

input[type=submit]:focus,
input[type=button]:focus {
  outline-offset: -2px;
}

a:hover {
  opacity: 0.8;
  -webkit-transition: 0.3s;
  transition: 0.3s;
}

.wrapper {
  position: relative;
}

/* =============================================================================
Image
========================================================================== */
a {
  display: block;
  cursor: pointer;
}

picture,
figure {
  display: block;
}

img {
  width: 100%;
  height: 100%;
}

/* =============================================================================
Basic style
========================================================================== */
html {
  scroll-behavior: smooth;
}

body {
  position: relative;
  word-break: break-all;
  color: #111111;
  font-family: "Noto Sans JP", sans-serif;
}

/*==============================================================================
Media
============================================================================= */
/*
  sp
----------------------------------------------- */
/*
  pc
----------------------------------------------- */
/*
  xl-pc
----------------------------------------------- */
/*==============================================================================
Accessibility
============================================================================= */
.screen-reader-text {
  position: absolute;
  overflow: hidden;
  width: 1px;
  height: 1px;
  clip: rect(1px, 1px, 1px, 1px);
}

/*==============================================================================
font-size
============================================================================= */
/*
	  mobile
  ----------------------------------------------- */
@media screen and (max-width: 767px) {
  html {
    font-size: 2.1333333333vw;
  }
  p {
    font-size: 1rem;
  }
}
/*
  PC
  ----------------------------------------------- */
@media screen and (min-width: 768px) {
  html {
    font-size: 1.1111111111vw;
  }
  p {
    font-size: 1rem;
  }
}
/*
  xl-PC
  ----------------------------------------------- */
/*==============================================================================
Responsive
============================================================================= */
@media screen and (max-width: 767px) {
  .inner {
    width: 43.125rem;
    margin: 0 auto;
    position: relative;
  }
  .pc-only {
    display: none;
  }
  .sp-only {
    display: block;
  }
}
@media screen and (min-width: 768px) {
  .inner {
    width: 75rem;
    margin: 0 auto;
    position: relative;
  }
  .pc-only {
    display: block;
  }
  .sp-only {
    display: none;
  }
}
/*==============================================================================
font
============================================================================= */
.oswald {
  font-family: "Oswald", serif;
  font-weight: 500;
  font-style: normal;
}

.noto {
  font-family: "Noto Sans JP", sans-serif;
  font-style: normal;
}

/*==============================================================================
Header
============================================================================= */
@media screen and (max-width: 767px) {
  .header-bg {
    background: #fff;
    position: relative;
    z-index: 9999;
  }
  .header-inner {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
  }
  .header-logo {
    width: 19.6875rem;
    margin: 0 0 0 1.875rem;
  }
  .header .hamburger-menu {
    width: 6.875rem;
    height: 6.875rem;
    position: relative;
    border: none;
    background: transparent;
    -webkit-appearance: none;
       -moz-appearance: none;
            appearance: none;
    padding: 0;
    cursor: pointer;
    background: #111;
  }
  .header .hamburger-menu-bar {
    display: inline-block;
    width: 3.5625rem;
    height: 0.25rem;
    background: #fff;
    position: absolute;
    left: 50%;
    -webkit-transform: translateX(-50%);
            transform: translateX(-50%);
    -webkit-transition: 0.5s;
    transition: 0.5s;
  }
  .header .hamburger-menu-bar:first-child {
    top: 2rem;
  }
  .header .hamburger-menu-bar:nth-child(2) {
    top: 3.3125rem;
  }
  .header .hamburger-menu-bar:last-child {
    bottom: 2rem;
  }
  .header .hamburger-menu-open .hamburger-menu-bar {
    top: 50%;
  }
  .header .hamburger-menu-open .hamburger-menu-bar:first-child {
    -webkit-transform: translateX(-50%) translateY(-50%) rotate(45deg);
            transform: translateX(-50%) translateY(-50%) rotate(45deg);
  }
  .header .hamburger-menu-open .hamburger-menu-bar:last-child {
    -webkit-transform: translateX(-50%) translateY(-50%) rotate(-45deg);
            transform: translateX(-50%) translateY(-50%) rotate(-45deg);
  }
  .header .hamburger-menu-open .hamburger-menu-bar:nth-child(2) {
    display: none;
  }
  .header .navigation {
    display: none;
    background: #fff;
    position: absolute;
    top: 6.875rem;
    z-index: 9999;
    width: 100%;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    padding: 0 0 5rem;
    overflow-y: auto;
    max-height: 100vh;
  }
  .header .navigation-ttl01 {
    font-size: 2.5rem;
    letter-spacing: 0.04em;
    color: #111;
    padding: 0.875rem 0 1.8125rem 0;
  }
  .header .navigation-txt01 {
    font-size: 1.75rem;
    letter-spacing: 0.04em;
    font-weight: 500;
    color: #111;
    padding: 1.9375rem 0 1.875rem 0;
    position: relative;
  }
  .header .navigation-txt01::before {
    content: "";
    position: absolute;
    background: url(../images/header-check.webp) no-repeat center/cover;
    width: 2.3125rem;
    height: 2.3125rem;
    top: 1.6875rem;
    right: 1.25rem;
  }
  .header .navigation-ttl02 {
    font-size: 2.5rem;
    letter-spacing: 0.04em;
    color: #111;
    padding: 4.6875rem 0 1.8125rem 0;
  }
  .header .navigation-btn {
    font-size: 2.25rem;
    font-weight: 900;
    color: #fff;
    letter-spacing: 0.04em;
    background: url(../images/header-btn_sp.webp) no-repeat center/cover;
    width: 43.125rem;
    height: 6.5625rem;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    text-align: center;
    padding: 1.8125rem 0 0 1rem;
    border-radius: 0.3125rem;
    margin: 1.875rem 0 0 0;
  }
  .header .navigation-list {
    list-style: none;
    padding: 0 1.875rem;
    margin: 0;
  }
  .header .navigation-list-item {
    border-bottom: solid 0.0625rem #cbcbcb;
  }
  .header .navigation {
    overflow: auto;
    height: 78.125rem;
  }
  .overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 9998;
  }
  .hamburger-menu-open ~ .overlay {
    display: block;
  }
}
@media screen and (min-width: 768px) {
  .header-bg {
    padding: 1rem 0 0.9375rem;
    background: #fff;
  }
  .header-inner {
    width: 83.125rem;
    margin: 0 auto;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
  }
  .header-logo {
    width: 17.125rem;
  }
  .header-right {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-pack: end;
        -ms-flex-pack: end;
            justify-content: flex-end;
    gap: 0 2.1875rem;
  }
  .header-txt {
    font-size: 1rem;
    font-weight: 900;
    color: #111;
    letter-spacing: 0.04em;
  }
  .header-txt:hover {
    border-bottom: 0.0625rem solid #111;
  }
  .header-btn {
    font-size: 1rem;
    font-weight: 900;
    color: #fff;
    letter-spacing: 0.04em;
    background: url(../images/header-btn.webp) no-repeat center/cover;
    width: 9.75rem;
    height: 3.125rem;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    padding: 0.9375rem 0 0 1rem;
    border-radius: 0.3125rem;
  }
}
/*==============================================================================
nav
============================================================================= */
@media screen and (max-width: 767px) {
  .nav-bg {
    background: #fff;
    padding: 5.0625rem 0 9.9375rem 0;
  }
  .nav-bg01 {
    background: url(../images/nav-bg01_sp.webp) no-repeat center/cover;
    padding: 6.25rem 0 8.75rem 0;
  }
  .nav-item {
    position: relative;
    margin: 2.625rem 0 0 0;
  }
  .nav-item-ttl {
    position: absolute;
    font-size: 3.375rem;
    letter-spacing: 0.04em;
    color: #fff;
    top: 5.25rem;
    left: 3.125rem;
  }
  .nav-item-txt {
    position: absolute;
    font-size: 1.5rem;
    letter-spacing: 0.04em;
    font-weight: 700;
    color: #fff;
    top: 10.25rem;
    left: 3.125rem;
  }
  .nav-item:first-child {
    margin: 0;
  }
}
@media screen and (min-width: 768px) {
  .nav-bg {
    background: #fff;
    padding: 6.25rem 0 9.5625rem 0;
  }
  .nav-bg01 {
    background: url(../images/nav-bg01.webp) no-repeat center/cover;
    padding: 6.25rem 0 6.375rem 0;
  }
  .nav-inner {
    width: 83.125rem;
    margin: 0 auto;
  }
  .nav-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.8125rem 1.875rem;
  }
  .nav-item {
    position: relative;
  }
  .nav-item-ttl {
    position: absolute;
    font-size: 3.125rem;
    letter-spacing: 0.04em;
    color: #fff;
    top: 5.5rem;
    left: 2.8125rem;
  }
  .nav-item-txt {
    position: absolute;
    font-size: 1.125rem;
    letter-spacing: 0.04em;
    font-weight: 700;
    color: #fff;
    top: 9.5625rem;
    left: 2.8125rem;
  }
}
/*==============================================================================
Footer
============================================================================= */
@media screen and (max-width: 767px) {
  .footer-bg {
    background: #111;
    padding: 5.5rem 0 3.0625rem 0;
  }
  .footer-logo {
    width: 20.9375rem;
  }
  .footer-box {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    gap: 0 4.375rem;
    margin: 6.0625rem 0 0 0;
  }
  .footer-ttl {
    font-size: 2.25rem;
    letter-spacing: 0.04em;
    color: #fff7f7;
    margin: 0 0 3.25rem;
  }
  .footer-txt {
    font-size: 1.5rem;
    letter-spacing: 0.04em;
    color: #fff7f7;
    font-weight: 500;
    margin: 2.375rem 0 0 0;
    line-height: 1.58;
  }
  .footer-copy {
    font-size: 1.25rem;
    letter-spacing: 0.02em;
    text-align: center;
    color: #fff;
    margin: 13.25rem 0 0 0;
  }
}
@media screen and (min-width: 768px) {
  .footer-bg {
    background: #111;
    padding: 2.8125rem 0 3.25rem 0;
  }
  .footer-inner {
    width: 83.125rem;
    margin: 0 auto;
  }
  .footer-wrapper {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    gap: 0 5.9375rem;
  }
  .footer-logo {
    width: 17.1875rem;
    height: 2.3125rem;
    margin: 0.375rem auto 0 0;
  }
  .footer-box {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    gap: 0 5.9375rem;
  }
  .footer-ttl {
    font-size: 2rem;
    letter-spacing: 0.04em;
    color: #fff7f7;
    margin: 0 0 1.875rem;
  }
  .footer-txt {
    font-size: 0.875rem;
    letter-spacing: 0.04em;
    color: #fff7f7;
    font-weight: 500;
    margin: 1.375rem 0 0 0;
  }
  .footer-copy {
    font-size: 0.625rem;
    letter-spacing: 0.02em;
    text-align: right;
    color: #fff;
    margin: 5.9375rem 0 0 0;
  }
}
/*==============================================================================
detail
============================================================================= */
@media screen and (max-width: 767px) {
  .detail-bg {
    background: #fff;
  }
  .detail-inner {
    display: grid;
  }
  .detail-wrapper01 {
    -webkit-box-ordinal-group: 2;
    -ms-flex-order: 1;
    order: 1;
  }
  .detail-wrapper {
    width: 43.125rem;
    margin: 0 auto;
    padding: 5rem 0 6rem 0;
    -webkit-box-ordinal-group: 2;
    -ms-flex-order: 1;
    order: 1;
  }
  .detail-head {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    gap: 0 1.375rem;
  }
  .detail-name {
    font-size: 1.5rem;
    letter-spacing: 0.02em;
    color: #fff;
    background: #c00000;
    padding: 1.25rem 2.5rem;
    font-weight: 700;
  }
  .detail-date {
    font-size: 1.375rem;
    color: #aaaaaa;
    letter-spacing: 0.08em;
  }
  .detail h1 {
    font-size: 2.5rem;
    letter-spacing: 0.08em;
    font-weight: 900;
    margin: 1.25rem 0 0 0;
    line-height: 1.6;
  }
  .detail-tags {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    gap: 1.25rem;
    margin: 1.875rem 0 0 0;
  }
  .detail-tag {
    font-size: 1.5rem;
    letter-spacing: 0.08em;
    font-weight: 700;
    background: #f4f4f4;
    padding: 1.1875rem 3.125rem;
    display: block;
    color: #111111;
  }
  .detail-img01 {
    margin: 3.4375rem 0 0 0;
    width: 43.125rem;
  }
  .detail #toc_container {
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    background: #f4f4f4;
    padding: 3.125rem 2.1875rem 3.6875rem 2.1875rem;
    margin: 3.75rem 0 0 0;
  }
  .detail #toc_container p.toc_title {
    font-size: 3.25rem;
    letter-spacing: 0.08em;
    margin: 0;
    line-height: 1;
  }
  .detail .toc_list {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    gap: 2.8125rem 0;
    margin: 2.3125rem 0 0 0;
  }
  .detail .toc_list li {
    font-size: 1.75rem;
    letter-spacing: 0.04em;
    font-weight: 700;
    display: inline-block;
  }
  .detail .toc_list li a {
    color: inherit;
  }
  .detail .toc_number {
    font-size: 2.375rem;
    letter-spacing: 0.04em;
    color: #c00000;
    font-weight: 700;
    display: inline-block;
    width: 2.5rem;
  }
  .detail-article h2 {
    font-size: 2.25rem;
    letter-spacing: 0.08em;
    font-weight: 900;
    padding: 0 0 0 1.875rem;
    margin: 6rem 0 0 0;
    position: relative;
  }
  .detail-article h2::before {
    content: "";
    position: absolute;
    background: url(../images/blog/detail-line01.webp) no-repeat center/cover;
    width: 0.5625rem;
    height: 3.75rem;
    top: 0;
    left: 0;
  }
  .detail-article p {
    font-size: 1.75rem;
    letter-spacing: 0.04em;
    line-height: 1.75;
    margin: 1.625rem 0 0 0;
  }
  .detail-article p span {
    font-weight: 700;
  }
  .detail-article figure {
    width: 43.125rem;
    margin: 4.375rem auto 0;
  }
  .detail-article h3 {
    font-size: 2rem;
    letter-spacing: 0.08em;
    font-weight: 900;
    margin: 5rem 0 0 0;
    padding: 0 0 1.875rem;
    border-bottom: 0.125rem solid #111;
  }
  .detail-article h3:first-of-type {
    margin: 4.6875rem 0 0 0;
  }
  .detail-article h4 {
    font-size: 1.75rem;
    letter-spacing: 0.08em;
    font-weight: 900;
    color: #c00000;
    margin: 2.375rem 0 0 0;
  }
}
@media screen and (min-width: 768px) {
  .detail-bg {
    background: #f4f4f4;
    padding: 5rem 0 0 0;
  }
  .detail-inner {
    display: grid;
  }
  .detail-wrapper01 {
    width: 83.125rem;
    margin: 0 auto;
    grid-row: 1/2;
    grid-column: 1/3;
    padding: 0 0 6.25rem;
  }
  .detail-wrapper {
    width: 58.75rem;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    background: #fff;
    padding: 2.75rem 5rem 3.9375rem 5rem;
  }
  .detail-head {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    gap: 0 1.5625rem;
  }
  .detail-name {
    font-size: 0.875rem;
    letter-spacing: 0.02em;
    color: #fff;
    background: #c00000;
    padding: 0.75rem 1.5625rem;
    font-weight: 700;
  }
  .detail-date {
    font-size: 0.8125rem;
    color: #aaaaaa;
    letter-spacing: 0.08em;
  }
  .detail h1 {
    font-size: 1.875rem;
    letter-spacing: 0.08em;
    font-weight: 900;
    margin: 1.5rem 0 0 0;
  }
  .detail-tags {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    gap: 0.625rem;
    margin: 1.8125rem 0 0 0;
  }
  .detail-tag {
    font-size: 0.875rem;
    letter-spacing: 0.08em;
    font-weight: 700;
    background: #f4f4f4;
    padding: 0.75rem 3.125rem;
    display: block;
    color: #111111;
  }
  .detail-img01 {
    margin: 1.8125rem 0 0 0;
    width: 48.75rem;
  }
  .detail #toc_container {
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    background: #f4f4f4;
    padding: 1.3125rem 1.5625rem 1.9375rem 1.5625rem;
    margin: 2.5rem 0 0 0;
  }
  .detail #toc_container p.toc_title {
    font-size: 1.4375rem;
    letter-spacing: 0.08em;
    margin: 0;
    line-height: 1;
  }
  .detail .toc_list {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    gap: 0.5625rem 0;
    margin: 0.9375rem 0 0 0;
  }
  .detail .toc_list li {
    font-size: 1rem;
    letter-spacing: 0.04em;
    font-weight: 700;
    display: inline-block;
  }
  .detail .toc_list li a {
    color: inherit;
  }
  .detail .toc_number {
    font-size: 1.25rem;
    letter-spacing: 0.04em;
    color: #c00000;
    font-weight: 700;
    display: inline-block;
    width: 1.5625rem;
  }
  .detail-article h2 {
    font-size: 1.5rem;
    letter-spacing: 0.08em;
    font-weight: 900;
    padding: 0 0 0 1.875rem;
    margin: 3.25rem 0 0 0;
    position: relative;
  }
  .detail-article h2::before {
    content: "";
    position: absolute;
    background: url(../images/blog/detail-line01.webp) no-repeat center/cover;
    width: 0.1875rem;
    height: 1.875rem;
    top: 0;
    left: 0;
  }
  .detail-article p {
    font-size: 1rem;
    letter-spacing: 0.04em;
    line-height: 1.75;
    width: 47.8125rem;
    margin: 1.1875rem 0 0 0;
  }
  .detail-article p span {
    font-weight: 700;
  }
  .detail-article figure {
    width: 38.75rem;
    margin: 3rem auto 0;
  }
  .detail-article figure:first-of-type {
    margin: 2.1875rem auto 0;
  }
  .detail-article h3 {
    font-size: 1.25rem;
    letter-spacing: 0.08em;
    font-weight: 900;
    margin: 2.6875rem 0 0 0;
    padding: 0 0 1.5625rem;
    border-bottom: 0.0625rem solid #111;
  }
  .detail-article h3:first-of-type {
    margin: 3.0625rem 0 0 0;
  }
  .detail-article h4 {
    font-size: 1rem;
    letter-spacing: 0.08em;
    font-weight: 900;
    color: #c00000;
    margin: 1.875rem 0 0 0;
  }
}
/*==============================================================================
sidebar
============================================================================= */
@media screen and (max-width: 767px) {
  #site-sidebar {
    background: #f4f4f4;
    padding: 5.625rem 0 6.3125rem 0;
    -webkit-box-ordinal-group: 3;
    -ms-flex-order: 3;
        order: 3;
  }
  #site-sidebar .site-sidebar-inner {
    width: 43.125rem;
    margin: 0 auto;
  }
  #site-sidebar #searchbox {
    margin: 0 0 2.5rem;
  }
  #site-sidebar #searchform {
    position: relative;
  }
  #site-sidebar #s {
    width: 43.125rem;
    height: 5.625rem;
    background: #fff;
    border-top: none;
    border-bottom: none;
    border-right: none;
    border-left: 0.625rem solid #111;
    padding: 1.1875rem 0 0 7.0625rem;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    font-size: 1.25rem;
  }
  #site-sidebar #s::-webkit-input-placeholder {
    font-family: "Oswald", serif;
    font-weight: 500;
    font-size: 2.3125rem;
    letter-spacing: 0.08em;
    color: #aaaaaa;
    line-height: normal;
  }
  #site-sidebar #s::-moz-placeholder {
    font-family: "Oswald", serif;
    font-weight: 500;
    font-size: 2.3125rem;
    letter-spacing: 0.08em;
    color: #aaaaaa;
    line-height: normal;
  }
  #site-sidebar #s::-ms-input-placeholder {
    font-family: "Oswald", serif;
    font-weight: 500;
    font-size: 2.3125rem;
    letter-spacing: 0.08em;
    color: #aaaaaa;
    line-height: normal;
  }
  #site-sidebar #s::placeholder {
    font-family: "Oswald", serif;
    font-weight: 500;
    font-size: 2.3125rem;
    letter-spacing: 0.08em;
    color: #aaaaaa;
    line-height: normal;
  }
  #site-sidebar #searchicon {
    position: absolute;
    left: 2.5rem;
    top: 1.5rem;
    width: 2.6875rem;
    height: 2.6875rem;
  }
  #site-sidebar .tag-list {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    gap: 1.25rem 1.25rem;
    padding: 2.625rem 0 0 0;
    border-top: #111 solid 0.1875rem;
  }
  #site-sidebar .tag-item {
    font-size: 1.5rem;
    letter-spacing: 0.08em;
    font-weight: 700;
    color: #111;
    background: #fff;
    text-align: center;
    padding: 1.1875rem 3.125rem;
  }
  #site-sidebar .tag-item a {
    color: inherit;
  }
  #site-sidebar .cate-box {
    margin: 4.4375rem 0 0 0;
  }
  #site-sidebar .cate-ttl01 {
    font-size: 2.625rem;
    letter-spacing: 0.08em;
    padding: 0 0 2.0625rem;
    border-bottom: 0.0625rem solid #111;
  }
  #site-sidebar .cate-item {
    font-size: 2rem;
    letter-spacing: 0.06em;
    font-weight: 700;
    color: #111;
    padding: 3.5625rem 0;
    border-bottom: 0.0625rem solid #aaaaaa;
    position: relative;
  }
  #site-sidebar .cate-item a {
    color: inherit;
  }
  #site-sidebar .cate-item::before {
    content: "";
    position: absolute;
    background: url(../images/blog/category-icon01.webp) no-repeat center/cover;
    width: 1.1875rem;
    height: 1.8125rem;
    top: 3.625rem;
    right: 1.375rem;
  }
}
@media screen and (min-width: 768px) {
  #site-sidebar {
    grid-column: 2/3;
    grid-row: 1/3;
    width: 19.375rem;
  }
  #site-sidebar #searchbox {
    margin: 0 0 1.5rem;
  }
  #site-sidebar #searchform {
    position: relative;
  }
  #site-sidebar #s {
    width: 19.5rem;
    height: 3.75rem;
    background: #fff;
    border-top: none;
    border-bottom: none;
    border-right: none;
    border-left: 0.1875rem solid #111;
    padding: 0.25rem 0 0 4.375rem;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    font-size: 1.25rem;
  }
  #site-sidebar #s::-webkit-input-placeholder {
    font-family: "Oswald", serif;
    font-size: 1.4375rem;
    letter-spacing: 0.08em;
    font-weight: 500;
    color: #aaaaaa;
    line-height: normal;
  }
  #site-sidebar #s::-moz-placeholder {
    font-family: "Oswald", serif;
    font-size: 1.4375rem;
    letter-spacing: 0.08em;
    font-weight: 500;
    color: #aaaaaa;
    line-height: normal;
  }
  #site-sidebar #s::-ms-input-placeholder {
    font-family: "Oswald", serif;
    font-size: 1.4375rem;
    letter-spacing: 0.08em;
    font-weight: 500;
    color: #aaaaaa;
    line-height: normal;
  }
  #site-sidebar #s::placeholder {
    font-family: "Oswald", serif;
    font-size: 1.4375rem;
    letter-spacing: 0.08em;
    font-weight: 500;
    color: #aaaaaa;
    line-height: normal;
  }
  #site-sidebar #searchicon {
    position: absolute;
    left: 1.625rem;
    top: 1.0625rem;
    width: 1.6875rem;
    height: 1.6875rem;
  }
  #site-sidebar .tag-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.625rem 0.4375rem;
    padding: 1.5625rem 0 0 0;
    border-top: #111 solid 0.0625rem;
    width: 19.375rem;
  }
  #site-sidebar .tag-item {
    font-size: 0.875rem;
    letter-spacing: 0.08em;
    font-weight: 700;
    color: #111;
    background: #fff;
    text-align: center;
    padding: 0.8125rem 0;
  }
  #site-sidebar .tag-item a {
    color: inherit;
  }
  #site-sidebar .cate-box {
    margin: 4.25rem 0 0 0;
  }
  #site-sidebar .cate-ttl01 {
    font-size: 1.5625rem;
    letter-spacing: 0.08em;
    padding: 0 0 1.3125rem;
    border-bottom: 0.0625rem solid #111;
  }
  #site-sidebar .cate-item {
    font-size: 1rem;
    letter-spacing: 0.06em;
    font-weight: 700;
    color: #111;
    padding: 1.5625rem 0;
    border-bottom: 0.0625rem solid #aaaaaa;
    position: relative;
  }
  #site-sidebar .cate-item a {
    color: inherit;
  }
  #site-sidebar .cate-item::before {
    content: "";
    position: absolute;
    background: url(../images/blog/category-icon01.webp) no-repeat center/cover;
    width: 0.5625rem;
    height: 0.8125rem;
    top: 1.6875rem;
    right: 0.625rem;
  }
}
/*==============================================================================
related
============================================================================= */
@media screen and (max-width: 767px) {
  .related-bg {
    background: #ededed;
    padding: 6.125rem 0 6.25rem 0;
    -webkit-box-ordinal-group: 3;
    -ms-flex-order: 2;
        order: 2;
  }
  .related h2 {
    font-size: 3.375rem;
    letter-spacing: 0.02em;
    padding: 0 0 0 3.4375rem;
    position: relative;
    margin: 0 0 0 1.875rem;
  }
  .related h2::before {
    content: "";
    position: absolute;
    background: url(../images/blog/detail-line01.webp) no-repeat center/cover;
    width: 0.5625rem;
    height: 7.1875rem;
    top: -0.9375rem;
    left: 0;
  }
  .related h2 .small {
    font-size: 2rem;
    letter-spacing: 0.06em;
    font-weight: 700;
    vertical-align: middle;
    padding: 0 0 0 3.125rem;
  }
  .related-item {
    position: relative;
    background: #fff;
  }
  .related-item-name {
    font-size: 1.5rem;
    letter-spacing: 0.02em;
    font-weight: 700;
    background: #c00000;
    color: #fff;
    text-align: center;
    padding: 1.25rem 2.5rem;
    display: inline-block;
    position: absolute;
    top: 19.8125rem;
  }
  .related-item-btm {
    padding: 3.4375rem 1.875rem 2.3125rem 1.875rem;
  }
  .related-item-date {
    font-size: 1.375rem;
    letter-spacing: 0.08em;
    color: #aaaaaa;
  }
  .related-item-txt {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
    font-size: 2rem;
    letter-spacing: 0.08em;
    font-weight: 900;
    color: #111;
    line-height: 1.53;
    margin: 0.8125rem 0 0 0;
  }
  .related .swiper-container {
    width: 45rem;
    margin: 8.125rem 0 0 1.875rem;
    overflow-y: hidden;
    overflow-x: hidden;
    position: relative;
  }
  .related .related-list {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
  }
  .related .related-item {
    width: 100%;
  }
  .related .swiper-button-prev::after,
  .related .swiper-button-next::after {
    bottom: 0;
    content: "";
    height: 0;
    margin: auto;
    position: absolute;
    top: 0;
    width: 0;
  }
  .related .swiper-button-prev01 {
    background: url(../images/blog/detail-arrow.webp) no-repeat center/cover;
    background-size: 100%;
    width: 3.75rem;
    height: 3.75rem;
    opacity: 1;
    top: 17.1875rem;
    left: 0;
    -webkit-transform: scale(-1, 1);
    transform: scale(-1, 1);
  }
  .related .swiper-button-next01 {
    background: url(../images/blog/detail-arrow.webp) no-repeat center/cover;
    background-size: 100%;
    width: 3.75rem;
    height: 3.75rem;
    opacity: 1;
    top: 17.1875rem;
    right: 1.875rem;
  }
}
@media screen and (min-width: 768px) {
  .related-bg {
    background: #ededed;
    padding: 4.6875rem 0 6.5625rem 0;
    grid-row: 2/3;
    grid-column: 1/3;
  }
  .related-inner {
    width: 83.125rem;
    margin: 0 auto;
  }
  .related h2 {
    font-size: 2.25rem;
    letter-spacing: 0.02em;
    padding: 0 0 0 1.375rem;
    position: relative;
  }
  .related h2::before {
    content: "";
    position: absolute;
    background: url(../images/blog/detail-line01.webp) no-repeat center/cover;
    width: 0.1875rem;
    height: 1.875rem;
    top: 0.25rem;
    left: 0;
  }
  .related h2 .small {
    font-size: 0.875rem;
    letter-spacing: 0.06em;
    font-weight: 700;
    vertical-align: middle;
    padding: 0 0 0 1.5625rem;
  }
  .related-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0 0.9375rem;
    margin: 2.875rem 0 0 0;
  }
  .related-item {
    position: relative;
    background: #fff;
  }
  .related-item-img {
    width: 20rem;
  }
  .related-item-name {
    font-size: 0.875rem;
    letter-spacing: 0.02em;
    font-weight: 700;
    background: #c00000;
    color: #fff;
    text-align: center;
    padding: 0.75rem 1.5625rem;
    display: inline-block;
    position: absolute;
    top: 10.375rem;
  }
  .related-item-btm {
    padding: 1.9375rem 0.9375rem 2.125rem 0.9375rem;
  }
  .related-item-date {
    font-size: 0.8125rem;
    letter-spacing: 0.08em;
    color: #aaaaaa;
  }
  .related-item-txt {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    font-size: 1.25rem;
    letter-spacing: 0.08em;
    font-weight: 900;
    color: #111;
    line-height: 1.5;
    margin: 0.4375rem 0 0 0;
  }
}
/*==============================================================================
preparation
============================================================================= */
@media screen and (max-width: 767px) {
  .preparation-bg {
    padding: 12.5rem 0;
  }
  .preparation h1 {
    font-size: 2rem;
    text-align: center;
    line-height: 1.7;
    letter-spacing: 0.1em;
  }
}
@media screen and (min-width: 768px) {
  .preparation-bg {
    padding: 9.375rem 0;
  }
  .preparation h1 {
    font-size: 2.5rem;
    text-align: center;
    line-height: 1.5;
    letter-spacing: 0.1em;
  }
}