* {
margin: 0;
padding: 0;
box-sizing: border-box;
}

html {
font-size: 62.5%;
}

body {
font-family: "Noto Sans JP", "游ゴシック", YuGothic, "ヒラギノ角ゴ Pro", "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, sans-serif;
font-size: 1.5rem;
line-height: 1.7;
color: #111;
background: #fff;
}

.header {
background: #fff;
padding: 2rem 0;
border-bottom: 1px solid #e6e6e6;
}

.header__inner {
max-width: 1200px;
margin: 0 auto;
padding: 0 3rem;
display: flex;
align-items: center;
justify-content: space-between;
}

.header__logo {
font-size: 2.4rem;
font-weight: bold;
color: #1aaab2;
text-decoration: none;
font-family: "Sawarabi Mincho", serif;
}

.container {
max-width: 1200px;
margin: 0 auto;
padding: 0 3rem;
}

.main-content {
padding: 6rem 0;
}

h1 {
font-size: 3.2rem;
font-weight: bold;
color: #364e96;
margin-bottom: 3rem;
padding-bottom: 2rem;
border-bottom: 2px solid #364e96;
line-height: 1.4;
font-family: "Sawarabi Mincho", serif;
}

article {
margin-bottom: 6rem;
}

article h2 {
font-size: 2.4rem;
font-weight: bold;
margin-top: 4rem;
margin-bottom: 2rem;
padding-bottom: 1rem;
border-bottom: 2px solid #707070;
color: #333;
font-family: "Sawarabi Mincho", serif;
}

article h3 {
font-size: 2rem;
font-weight: bold;
margin-top: 3rem;
margin-bottom: 1.5rem;
padding-left: 1.2rem;
border-left: 4px solid #364e96;
color: #364e96;
}

article h4 {
font-size: 1.8rem;
font-weight: bold;
margin-top: 2.5rem;
margin-bottom: 1.5rem;
color: #333;
}

article p {
margin-bottom: 2rem;
letter-spacing: 0.05em;
}

article ul,
article ol {
margin: 2rem 0 2rem 2rem;
}

article li {
margin-bottom: 1rem;
letter-spacing: 0.05em;
}

article ul li {
list-style-type: disc;
}

article ol li {
list-style-type: decimal;
}

article strong {
font-weight: bold;
}

article em {
font-style: italic;
}

.transition-section {
background: #f4f4f4;
padding: 4rem;
margin: 6rem 0;
border-radius: 1rem;
}

.transition-section p {
font-size: 1.5rem;
line-height: 1.7;
letter-spacing: 0.05em;
margin-bottom: 1.5rem;
}

{% if links %}
.links-section {
background: #f4f4f4;
padding: 4rem;
margin: 6rem 0;
border-radius: 1rem;
}

.links-section h3 {
font-size: 2rem;
font-weight: bold;
color: #364e96;
margin-bottom: 2rem;
padding-left: 1.2rem;
border-left: 4px solid #364e96;
}

.links-section ul {
display: grid;
grid-template-columns: repeat(2, 1fr);
gap: 1.5rem 3rem;
list-style: none;
margin: 0;
padding: 0;
}

.links-section li {
margin: 0;
}

.links-section a {
display: block;
padding: 1.2rem 1.5rem;
background: #fff;
color: #111;
text-decoration: none;
border-radius: 0.5rem;
border-left: 3px solid #1aaab2;
transition: all 0.3s;
}

.links-section a:hover {
background: #e6f7f8;
border-left-color: #364e96;
}
{% endif %}

.footer {
background: #f4f4f4;
padding: 4rem 0;
margin-top: 8rem;
border-top: 1px solid #e6e6e6;
}

.footer__inner {
max-width: 1200px;
margin: 0 auto;
padding: 0 3rem;
text-align: center;
}

.footer__copy {
font-size: 1.2rem;
color: #808080;
letter-spacing: 0.05em;
}

@media only screen and (max-width: 767px) {
html {
font-size: 55%;
}

.header {
padding: 1.5rem 0;
}

.header__inner {
padding: 0 1.5rem;
}

.header__logo {
font-size: 2rem;
}

.container {
padding: 0 1.5rem;
}

.main-content {
padding: 4rem 0;
}

h1 {
font-size: 2.4rem;
margin-bottom: 2rem;
padding-bottom: 1.5rem;
}

article h2 {
font-size: 2rem;
margin-top: 3rem;
margin-bottom: 1.5rem;
}

article h3 {
font-size: 1.8rem;
margin-top: 2.5rem;
margin-bottom: 1.2rem;
}

article h4 {
font-size: 1.6rem;
margin-top: 2rem;
margin-bottom: 1.2rem;
}

.transition-section {
padding: 2rem;
margin: 4rem 0;
}

{% if links %}
.links-section {
padding: 2rem;
margin: 4rem 0;
}

.links-section h3 {
font-size: 1.8rem;
margin-bottom: 1.5rem;
}

.links-section ul {
grid-template-columns: 1fr;
gap: 1rem;
}

.links-section a {
padding: 1rem 1.2rem;
}
{% endif %}

.footer {
padding: 3rem 0;
margin-top: 6rem;
}

.footer__inner {
padding: 0 1.5rem;
}
}