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: inherit;
  vertical-align: baseline;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  scroll-behavior: smooth;
}

/* HTML5 display-role reset for older browsers */
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  display: block;
  margin: 0;
  padding: 0;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}

li {
  list-style-type: none;
}

blockquote,
q {
  quotes: none;
}

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

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

button {
  background-color: transparent;
  border: none;
  cursor: pointer;
  outline: none;
  padding: 0;
  -webkit-appearance: none;
     -moz-appearance: none;
          appearance: none;
}

html {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 62.5%;
}

.single-post {
  padding: 140px 120px 80px;
  min-height: 100vh;
}
.single-post .container-s .header-single {
  padding: 40px 0;
  border-bottom: 2px solid linear-gradient(135deg, #4EB6F0, #9EF6F5);
}
.single-post .container-s .header-single .title-single {
  font-size: 32px;
  font-weight: 700;
  color: #161616;
  line-height: 2;
  margin-bottom: 20px;
}
@media (max-width: 960px) {
  .single-post .container-s .header-single .title-single {
    font-size: 28px;
  }
}
@media (max-width: 480px) {
  .single-post .container-s .header-single .title-single {
    font-size: 24px;
  }
}
.single-post .container-s .header-single .time-single time {
  color: #9a9a9a;
  font-size: 16px;
  font-weight: 500;
  font-family: "Helvetica Neue", sans-serif;
}
.single-post .container-s .content-single {
  margin-bottom: 80px;
  line-height: 2;
  color: #161616;
  font-size: 16px;
}
.single-post .container-s .content-single h1, .single-post .container-s .content-single h2, .single-post .container-s .content-single h3, .single-post .container-s .content-single h4, .single-post .container-s .content-single h5, .single-post .container-s .content-single h6 {
  color: #161616;
  font-weight: 700;
  margin: 40px 0 20px;
  line-height: 1.4;
}
.single-post .container-s .content-single h1:first-child, .single-post .container-s .content-single h2:first-child, .single-post .container-s .content-single h3:first-child, .single-post .container-s .content-single h4:first-child, .single-post .container-s .content-single h5:first-child, .single-post .container-s .content-single h6:first-child {
  margin-top: 0;
}
.single-post .container-s .content-single h1 {
  font-size: 28px;
  border-left: 4px solid linear-gradient(135deg, #4EB6F0, #9EF6F5);
  padding-left: 20px;
}
.single-post .container-s .content-single h2 {
  font-size: 24px;
  border-bottom: 2px solid linear-gradient(135deg, #4EB6F0, #9EF6F5);
  padding-bottom: 10px;
}
.single-post .container-s .content-single h3 {
  font-size: 20px;
  color: linear-gradient(135deg, #4EB6F0, #9EF6F5);
}
.single-post .container-s .content-single p {
  margin-bottom: 20px;
  line-height: 1.8;
}
.single-post .container-s .content-single ul, .single-post .container-s .content-single ol {
  margin: 20px 0;
  padding-left: 30px;
}
.single-post .container-s .content-single ul li, .single-post .container-s .content-single ol li {
  margin-bottom: 10px;
  line-height: 1.6;
}
.single-post .container-s .content-single ul {
  list-style-type: disc;
}
.single-post .container-s .content-single ul li::marker {
  color: linear-gradient(135deg, #4EB6F0, #9EF6F5);
}
.single-post .container-s .content-single ol {
  list-style-type: decimal;
}
.single-post .container-s .content-single ol li::marker {
  color: linear-gradient(135deg, #4EB6F0, #9EF6F5);
  font-weight: 700;
}
.single-post .container-s .content-single a {
  color: linear-gradient(135deg, #4EB6F0, #9EF6F5);
  text-decoration: underline;
  -webkit-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
.single-post .container-s .content-single a:hover {
  text-decoration: none;
}
.single-post .container-s .content-single img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 30px 0;
  -webkit-box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
          box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
.single-post .container-s .content-single blockquote {
  border-left: 4px solid linear-gradient(135deg, #4EB6F0, #9EF6F5);
  padding: 20px 30px;
  margin: 30px 0;
  border-radius: 0 8px 8px 0;
  font-style: italic;
}
.single-post .container-s .content-single blockquote p {
  margin: 0;
  color: #161616;
}
.single-post .container-s .content-single pre {
  background: #f8f9fa;
  border: 1px solid #e9ecef;
  border-radius: 8px;
  padding: 20px;
  margin: 20px 0;
  overflow-x: auto;
}
.single-post .container-s .content-single pre code {
  font-family: "Courier New", monospace;
  font-size: 14px;
  color: #161616;
}
.single-post .container-s .content-single code {
  padding: 2px 6px;
  border-radius: 4px;
  font-family: "Courier New", monospace;
  font-size: 14px;
  color: linear-gradient(135deg, #4EB6F0, #9EF6F5);
}
.single-post .container-s .content-single table {
  width: 100%;
  border-collapse: collapse;
  margin: 30px 0;
  border-radius: 8px;
  overflow: hidden;
  -webkit-box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
          box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}
.single-post .container-s .content-single table th, .single-post .container-s .content-single table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid #e9ecef;
}
.single-post .container-s .content-single table th {
  background: linear-gradient(135deg, #4EB6F0, #9EF6F5);
  color: #fff;
  font-weight: 700;
}
.single-post .container-s .content-single table tr:nth-child(even) {
  background: #f8f9fa;
}
.single-post .container-s .main-btn {
  margin: 0 auto;
}

@media (max-width: 960px) {
  .single-post {
    padding: 80px 0 60px;
  }
  .single-post .container-s {
    padding: 0 15px;
  }
  .single-post .container-s .header-single {
    margin-bottom: 40px;
    padding: 30px 0;
  }
  .single-post .container-s .header-single .title-single {
    font-size: 28px;
  }
  .single-post .container-s .content-single {
    margin-bottom: 40px;
    font-size: 15px;
  }
  .single-post .container-s .content-single h1 {
    font-size: 24px;
  }
  .single-post .container-s .content-single h2 {
    font-size: 20px;
  }
  .single-post .container-s .content-single h3 {
    font-size: 18px;
  }
}
@media (max-width: 480px) {
  .single-post {
    padding: 60px 0 40px;
  }
  .single-post .container-s {
    padding: 0 10px;
  }
  .single-post .container-s .header-single {
    margin-bottom: 30px;
    padding: 20px 0;
  }
  .single-post .container-s .header-single .title-single {
    font-size: 24px;
  }
  .single-post .container-s .content-single {
    margin-bottom: 30px;
    font-size: 14px;
  }
  .single-post .container-s .content-single h1 {
    font-size: 20px;
    padding-left: 15px;
  }
  .single-post .container-s .content-single h2 {
    font-size: 18px;
  }
  .single-post .container-s .content-single h3 {
    font-size: 16px;
  }
  .single-post .container-s .content-single blockquote {
    padding: 15px 20px;
  }
  .single-post .container-s .content-single pre {
    padding: 15px;
  }
}