/* ==================================================
   fv section
   ================================================== */
#fv {
    background-image: url(../img/news/news-fv.jpg);
}

.main__column {
    display: flex;
}

/* ==================================================
   feature section
   ================================================== */
#feature {
    padding: 6.7rem 0 4rem 0;
}

/* ==================================================
   post section
   ================================================== */
#post {
    width: 75%;
}

#post .inner {
    width: 92%;
    margin: 0 auto;
    padding: 0 1rem;
}

.post__time {
    text-align: right;
    color: var(--main);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;

}

.post__meta {
    border-top: .1px solid var(--main);
    display: flex;
    margin-bottom: 2.6rem;
}

.post__category {
    overflow: hidden;
    text-overflow: ellipsis;
    width: 14.1rem;
    height: 3.6rem;
    line-height: 3.6rem;
    display: block;
    color: var(--main);
    text-align: center;
    font-size: 1.6rem;
    font-weight: 700;
    clip-path: polygon(0 0, 100% 0, 75% 100%, 0% 100%);
    position: relative;
    background-color: var(--main);
    margin-right: 0;
    padding-right: 2.2rem;
}

.post__category::before {
    content: '';
    position: absolute;
    top: -1px;
    right: -.5px;
    bottom: -.5px;
    left: -.5px;
    background: #fff;
    z-index: -1;
    clip-path: polygon(0 0, 100% 0, 75% 100%, 0% 100%);
}

.post__title {
    margin-top: 0;
    margin-left: -.4rem;
    color: #006299;
    font-size: 2rem;
    font-weight: 700;
    padding-top: 1rem;
}

.post__title::before {
    display: none;
}

.post__img-container {
    width: 58rem;
    height: auto;
    margin: 0 auto;
}

.post__content {
    padding: 2.4rem 0 6rem 0;

}

.post__content p {
    padding: .5rem 0;
}

.post__content h2 {
    text-align: left;
    padding-left: 3.6rem;
    padding-right: 1.6rem;
    color: #006299;
    font-size: 2rem;
    font-weight: 700;
    border: .1px solid var(--main);
    line-height: 4.3rem;
    width: 98%;
    margin: 4rem auto 0 auto;
    position: relative;
}

.post__content h2:before,
.post__content h2:after {
    border: 2px solid var(--main);
    position: absolute;
    content: "";
    display: block;
}

.post__content h2:before {
    height: 3rem;
    width: 3rem;
}

.post__content h2:after {
    height: 2rem;
    width: 2rem;
}

.post__content h2:before {
    top: -1rem;
    left: -1rem;
    background-color: transparent;
}

.post__content h2:after {
    bottom: -1rem;
    right: -1rem;
}

.post__content h3 {
    margin-top: 4rem;
    border-bottom: solid 3px var(--main);
    position: relative;
    color: var(--sub);
    font-size: 1.9rem;
    font-weight: 700;
    line-height: 200%;
    padding-bottom: 1rem;
}

.post__content h3:after {
    position: absolute;
    content: " ";
    display: block;
    border-bottom: solid 3px #BBE7FF;
    bottom: -.3rem;
    width: 20%;
}

.post__content h4 {
    display: inline-block;
    position: relative;
    padding: 0 1rem 0 6rem;
    color: var(--main);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0rem;
}

.post__content h4::before {
    content: '';
    display: inline-block;
    position: absolute;
    top: 50%;
    left: 0;
    width: 4.5rem;
    height: 1px;
    background-color: var(--main);
    transform: translateY(-50%);
}

#post .nav-links {
    display: flex;
    padding: 6rem 0;
    justify-content: space-between;
}

#post .nav-next {
    flex: 1;
    text-align: right;
}

#post .nav-subtitle {
    display: inline-block;
    color: var(--main);
    font-size: 1.8rem;
    font-weight: 700;
    position: relative;
}

#post .nav-previous a {
    padding-left: 3.6rem;
}

#post .nav-previous a {
    position: relative;
}

#post .nav-previous .nav-title {
    display: inline;
    margin-left: 1rem;
    color: #000;
    font-size: 1.4rem;
    font-weight: 400;
}

#post .nav-previous a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -.6rem;
    width: 32rem;
    height: 1px;
    background-color: #369FDA;
}

#post .nav-previous a::before {
    content: '';
    position: absolute;
    left: -.8rem;
    bottom: 1rem;
    width: 4rem;
    height: 1px;
    background-color: #369FDA;
    transform: rotate(-50deg);
}

#post .nav-next a {
    padding-right: 3.6rem;
    position: relative;
}

.nav-subtitl {
    position: relative;
}

#post .nav-next .nav-title {
    margin-right: 1rem;
    color: #000;
    font-size: 1.4rem;
    font-weight: 400;
}

#post .nav-next .nav-subtitle::before {
    content: '';
    position: absolute;
    right: -2.8rem;
    top: -.6rem;
    width: 32rem;
    height: 1px;
    background-color: #369FDA;
}

#post .nav-next .nav-subtitle::after {
    content: '';
    position: absolute;
    right: -3.4rem;
    bottom: 1.5rem;
    width: 4rem;
    height: 1px;
    background-color: #369FDA;
    transform: rotate(-50deg);
}


/* ==================================================
   main__sideber section
   ================================================== */
#content__sideber {
    padding: 0;
    width: 25%;
}

#content__sideber .inner {
    width: 90%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
}

#content__sideber h3 {
    padding-left: 3.2rem;
    color: var(--main);
    font-size: 1.8rem;
    font-weight: 700;
    position: relative;
    margin-bottom: 0;
}

#content__sideber h3::after {
    content: '';
    display: block;
    width: 23rem;
    margin-left: -4rem;
    height: 0.1rem;
    background-color: var(--main);
    margin-bottom: 0rem;
}

#content__sideber h3::before {
    content: '';
    position: absolute;
    left: 1%;
    bottom: -10%;
    width: 1px;
    height: 130%;
    background-color: var(--main);
    transform: rotate(40deg);
}

.content__sideber-items {
    padding: 1rem 0;
    display: flex;
    flex-direction: column;
    gap: 2.4rem;
    margin-bottom: 4rem;
}

#content__sideber article time {
    color: var(--main);
    font-size: 1.5rem;
    font-weight: 700;
    display: block;
}



/* ==================================================
   Archive Y M D section
   ================================================== */
#archive {
    padding: 2rem 0 21rem 0;
    width: 75%;
    background-color: transparent;
}

#archive .inner {
    width: 92%;
    margin: 0 auto;
    padding-left: 1rem;
}


/* ==================================================
   投稿ページの基本スタイル
   ================================================== */

#post .post__content a {
    color: #0073aa;
    text-decoration: underline;
}

#post .post__content ol {
    list-style-type: decimal;
    margin-left: 2rem;
    padding: 0.8rem 4rem 0.8rem 4rem;
    border-left: 0.5rem solid var(--main);

}

#post .post__content ul {
    list-style-type: disc;
    margin-left: 2rem;
    padding: 0.8rem 4rem 0.8rem 4rem;
    border-left: 0.5rem solid var(--main);
}

#post .post__content li {
    line-height: 1.6;
    margin-bottom: .5rem;
}

/* ページネーション */
.navigation.pagination .nav-links{
    margin-top: 12.6rem;
    display: flex;
    align-items: center;
    justify-content: center;
}


.nav-links .page-numbers {
    width: 3.3rem;
    height: 3.3rem;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #fff;
    border: solid 2px var(--main);
    font-size: 1.6rem;
    color: var(--main);
    font-weight: bold;
    transition: all 0.15s linear;
    margin-left: .8rem;
}


.nav-links .page-numbers.current {
    background: var(--main);
    color: #fff;
    pointer-events: none;
}


.nav-links .page-numbers:hover {
    background: var(--main);
    color: #fff;
}


