/*===================================
mv
===================================*/
/*#mv {
    background: linear-gradient(to bottom, #0F6ACF 0%, #0A56A7 100%);
    color: #1F2937; 
    margin-top: 80px;
    width: 100%;
    height: calc(100vh - 80px);
}
#mv .mv_title {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 50%;
    padding: 4%;
}
#mv .mv_title .title {
    color: #fff;
    font-size: 20vw;
    line-height: 1;
}
#mv .mv_title .title .stroke {
    color: transparent;
    line-height: 1;
    -webkit-text-stroke: 1px var(--yellow);;
    text-stroke: 1px var(--yellow);;
}
#mv .mv_title .title .block {
    display: block;
}
#mv .mv_title .title .sub_title {
    border: 1px solid #E9F3FF;
    border-radius: .5em;
    color: transparent;
    color: #E9F3FF;
    display: block;
    font-size: .3em;
    letter-spacing: .05em;
    margin-top: .5em;
    padding: .5em;
}
#mv .mv {
    width: 100%;
    height: 50%;
    overflow: hidden;
}
#mv .mv video {
    width: 100%;
    object-fit: cover;
    object-position: 0 -50px;
}
#mv .mv ._img {
    height: 100%;
}
#mv .mv img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.cta_section {
  display: flex;
  justify-content: center;
  margin: 2em 0;
}

.cta_section.bottom {
  margin-top: 3em;
  padding-top: 2em;
  border-top: 1px solid rgba(255,255,255,0.2);
}

.cta_button {
  background: linear-gradient(90deg, #FFD700, #FFA500);
  color: #0A2A57;
  font-weight: bold;
  font-size: 1.2em;
  padding: 0.8em 1.5em;
  border-radius: 2em;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.cta_button:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 18px rgba(0,0,0,0.3);
}

@media screen and (min-width:768px) {
    #mv .mv_title .title {
        font-size: 17vw;
    }
    #mv .mv video {
        object-position: 0 -250px;
    }
}
@media screen and (min-width:960px) {}
@media screen and (min-width:1200px) {
    #mv {
        display: flex;
    }
    #mv .mv {
        width: 50%;
        height: 100%;
        overflow: hidden;
    }
    #mv .mv_title {
        width: 50%;
        height: 100%;
        flex-direction: row;
        justify-content: flex-start;
    }
    #mv .mv_title .title {
        font-size: 10vw;
    }
    #mv .mv video {
        width: 100%;
        height: 100vh;
        object-fit: cover;
        object-position: left;
    }
}*/
/* ===== Hero (MV) overrides ===== */

/* 背景・文字色最適化：ヒーロー内は白文字でコントラストUP */
#mv {
  background: linear-gradient(to bottom, #0F6ACF 0%, #0A56A7 100%);
  color: #FFFFFF; /* ヒーロー内は白文字 */
  margin-top: 80px;
  width: 100%;
  height: calc(100vh - 80px);
}

/* タイトル行間・サイズ調整：読みやすく */
#mv .mv_title .title {
  color: #FFFFFF;
  font-size: clamp(28px, 8vw, 88px); /* 可変サイズに変更 */
  line-height: 1.15;
  letter-spacing: .02em;
}

/* 「AI」を縁取り強調（見出し先頭のアクセント） */
#mv .mv_title .title .stroke {
  color: transparent;
  -webkit-text-stroke: 2px var(--yellow);
  text-stroke: 2px var(--yellow);
}

/* 改行用 block を少し下げ、視線誘導 */
#mv .mv_title .title .block {
  display: block;
  margin-top: .15em;
}

/* サブタイトルはチップ風に。背景を薄く敷くと視認性UP */
#mv .mv_title .title .sub_title {
  display: inline-block;
  margin-top: .6em;
  padding: .55em .9em;
  font-size: .34em;
  letter-spacing: .03em;
  color: #E9F3FF;
  border: 1px solid #E9F3FF;
  border-radius: .6em;
  background: rgba(233,243,255,.08);
}

/* レイアウト：中央寄せを少し強める */
#mv .mv_title {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 50%;
  padding: 4%;
  text-align: center;
}

/* 動画の見切れ改善：モバイルは中央寄せ、PCは左寄せ */
#mv .mv video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center; /* まずは中央基準 */
}
#mv .mv_img {
    height: 100vh;
}
#mv .mv_img img {
    object-fit: cover;
    height: 100%;
}
@media screen and (min-width:768px) {
  #mv .mv_title .title { font-size: clamp(40px, 7vw, 96px); }
  #mv .mv video { object-position: 0 -120px; }
}

@media screen and (min-width:1200px) {
  #mv {
    display: flex;
  }
  #mv .mv {
    width: 50%;
    height: 100%;
    overflow: hidden;
  }
#mv .mv_title {
width: 50%;
height: 100%;
/* flex-direction: column-reverse; */
justify-content: center;
align-items: flex-start;
text-align: left;
}
  #mv .mv_title .title {
    font-size: clamp(56px, 4.5vw, 110px);
  }
  #mv .mv video {
    width: 100%;
    height: 100vh;
    object-fit: cover;
    object-position: left; /* PCは左に寄せる */
  }
}

/* blog */
#blog {}
#blog ._container {}
#blog ._container .post_list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
#blog ._container .post_list .post {
    background: var(--white);
    border: 1px solid #E9F3FF;
    border-radius: .5em;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
#blog ._container .post_list .post .thumnail {}
#blog ._container .post_list .post .thumnail img {
    aspect-ratio: 16 / 9;
    border-radius: .5em;
    width: 100%;
    height: 200px;
    object-fit: cover;
}
#blog ._container .post_list .post .post_txt {
    padding: 1em;
}
#blog ._container .post_list .post .blog_ttl {
    color: var(--blue);
    margin-top: 1em;
}
#blog ._container .post_list .post .blog_txt {
    color: #0F6ACF;
    font-size: 5vw;
    margin-top: .5em;
}
@media screen and (min-width:768px) {
    #blog ._container .post_list {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 10px;
    }
    #blog ._container .post_list .post {
        width: calc((100% - 10px) / 2);
    }
    #blog ._container .post_list .post .blog_ttl {
        font-size: 5vw;
    }
    #blog ._container .post_list .post .blog_txt {
        font-size: 2vw;
    }
}
@media screen and (min-width:960px) {
    #blog ._container .post_list .post .blog_ttl {
        font-size: 3vw;
    }
    #blog ._container .post_list .post .blog_txt {
        font-size: 1.5vw;
    }
}
@media screen and (min-width:1200px) {
    #blog ._container .post_list .post {
        width: calc((100% - 30px) / 4);
    }
    #blog ._container .post_list .post .blog_ttl {
        font-size: 1.5vw;
    }
    #blog ._container .post_list .post .blog_txt {
        font-size: 1vw;
    }
}
/* about */
#about {
    background: var(--blue);
}
#about ._container .heading01 {
    color: var(--yellow);
}
#about ._container ._box ._box_child p {
    border: 1px solid var(--yellow);
    border-radius: .5em;
    color: var(--yellow);
    font-size: 5vw;
    padding: .5em;
}
#about ._container ._box ._box_child p span {
    color: #fff;
}
#about ._container ._box ._box_child:first-child {
    position: relative;
    height: 25vw;
}
#about .mod {
    position: absolute;
    top: 0px;
    left: 0px;
    width: 100%;
    height: 100%;
    perspective: 330px;
}
#about .mod .project-name {
    position: absolute;
    width: 100%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-size: 5vw;
    text-transform: uppercase;
    letter-spacing: 0.5em;
    text-align: center;
    line-height: 1.5em;
    font-weight: 300;
}
#about .mod .cube {
    position: absolute;
    top: 50%;
    left: 50%;
    margin-top: -105px;
    margin-left: -105px;
    width: 210px;
    height: 210px;
    -webkit-transform-style: preserve-3d;
    -webkit-transform-origin: 105px 105px;
    animation: spinCube 9000ms linear infinite;
}
#about .mod .cube .faces {
    position: absolute;
    top: 0px;
    left: 0px;
    width: 210px;
    height: 210px;
}
#about .mod .cube .faces .dot {
    position: absolute;
    background: #ffffff;
    width: 2px;
    height: 2px;
    border-radius: 50%;
}
#about .mod .cube .faces .p1 {
    top: -1px;
    margin-left: -1px;
}
#about .mod .cube .faces .p2 {
    top: -1px;
    left: 50%;
    margin-left: -1px;
}
#about .mod .cube .faces .p3 {
    top: -1px;
    left: 100%;
    margin-left: -1px;
}
#about .mod .cube .faces .p4 {
    top: 50%;
    left: -1px;
    margin-top: -1px;
}
#about .mod .cube .faces .p5 {
    top: 50%;
    left: 50%;
    margin-top: -1px;
    margin-left: -1px;
}
#about .mod .cube .faces .p6 {
    top: 50%;
    left: 100%;
    margin-top: -1px;
    margin-left: -1px;
}
#about .mod .cube .faces .p7 {
    top: 100%;
    left: 0%;
    margin-top: -1px;
    margin-left: -1px;
}
#about .mod .cube .faces .p8 {
    top: 100%;
    left: 50%;
    margin-top: -1px;
    margin-left: -1px;
}
#about .mod .cube .faces .p9 {
    top: 100%;
    left: 100%;
    margin-top: -1px;
    margin-left: -1px;
}
#about .mod .cube .faces .p10 {
    top: 25%;
    left: 25%;
    margin-top: -1px;
    margin-left: -1px;
}
#about .mod .cube .faces .p11 {
    top: 25%;
    left: 75%;
    margin-top: -1px;
    margin-left: -1px;
}
#about .mod .cube .faces .p12 {
    top: 75%;
    left: 25%;
    margin-top: -1px;
    margin-left: -1px;
}
#about .mod .cube .faces .p13 {
    top: 75%;
    left: 75%;
    margin-top: -1px;
    margin-left: -1px;
}
#about .mod .cube .f1 {
    -webkit-transform: translateZ(-105px);
    animation-delay: 0.3s;
}
#about .mod .cube .f2 {
    -webkit-transform: translateZ(-84px);
    animation-delay: 0.6s;
}
#about .mod .cube .f3 {
    -webkit-transform: translateZ(-63px);
    animation-delay: 0.9s;
}
#about .mod .cube .f4 {
    -webkit-transform: translateZ(-42px);
    animation-delay: 1.2s;
}
#about .mod .cube .f5 {
    -webkit-transform: translateZ(-21px);
    animation-delay: 1.5s;
}
#about .mod .cube .f6 {
    -webkit-transform: translateZ(0px);
    animation-delay: 1.8s;
}
#about .mod .cube .f7 {
    -webkit-transform: translateZ(21px);
    animation-delay: 2.1s;
}
#about .mod .cube .f8 {
    -webkit-transform: translateZ(42px);
    animation-delay: 2.4s;
}
#about .mod .cube .f9 {
    -webkit-transform: translateZ(63px);
    animation-delay: 2.7s;
}
#about .mod .cube .f10 {
    -webkit-transform: translateZ(84px);
    animation-delay: 3s;
}
#about .mod .cube .f11 {
    -webkit-transform: translateZ(105px);
    animation-delay: 3.3s;
}
@-webkit-keyframes spinCube {
    0% {
        -webkit-transform: rotateY(0deg) rotateX(-45deg) rotate(0deg);
    }
    50% {
        -webkit-transform: rotateY(180deg) rotateX(135deg) rotate(180deg);
    }
    100% {
        -webkit-transform: rotateY(360deg) rotateX(315deg) rotate(360deg);
    }
}
@-webkit-keyframes spinDots {
    0% {
        -webkit-transform: rotateX(0deg) rotateY(45deg);
    }
    50% {
        -webkit-transform: rotateX(-180deg) rotateY(-135deg);
    }
    100% {
        -webkit-transform: rotateX(-360deg) rotateY(-315deg);
    }
}
@-webkit-keyframes spinFaces {
    0% {
        -webkit-transform: rotateX(0deg);
    }
    50% {
        -webkit-transform: rotateX(180deg);
    }
    100% {
        -webkit-transform: rotateX(0deg);
    }
}
@media screen and (min-width:768px) {
    #about ._container ._box ._box_child {}
}
@media screen and (min-width:960px) {
    #about .mod .project-name {
        font-size: 4vw;
    }
    #about ._container ._box {
        display: flex;
        align-items: center;
        gap: 30px;
    }
    #about ._container ._box ._box_child {
        width: calc((100% - 30px) / 2);
    }
    #about ._container ._box ._box_child p {
        font-size: 3vw;
    }
    #about ._container ._box ._box_child {}
}
@media screen and (min-width:1200px) {
    #about ._container ._box ._box_child p {
        font-size: 2.5vw;
    }
}
/* work */
#work ._container ._box ._box_child {
    border: 1px solid #696969;
    border-radius: .5em;
    padding: 1em;
}
#work ._container ._box ._box_child p {
    font-size: 5vw;
    margin-top: .5em;
}
@media screen and (min-width:768px) {}
@media screen and (min-width:960px) {
    #work ._container ._box {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }
    #work ._container ._box ._box_child {
        display: flex;
        flex-direction: row;
        padding: 1em;
        margin-top: 0;
        gap: 1em;
    }
    #work ._container ._box ._box_child p {
        font-size: 3vw;
    }
}
@media screen and (min-width:1200px) {
    #work ._container ._box {
        flex-direction: row;
    }
    #work ._container ._box ._box_child {
        flex-direction: column;
        width: calc((100% - 40px) / 3);
    }
    #work ._container ._box ._box_child ._text .heading02 {
        font-size: 4vw;
    }
    #work ._container ._box ._box_child ._text p {
        font-size: 2vw;
    }
}
/* contact */
#contact {
    background: var(--blue);
}
#contact ._container .heading01 {
    color: var(--yellow);
}
#contact ._container .heading02 {
    color: var(--yellow);
}
#contact ._container ._box ._box_child:first-child {
    background: var(--white);
    border-radius: 50%;
    display: flex;
    justify-content: flex-start;
    align-items: center;
}
#contact ._container ._box ._box_child:first-child svg {
    border-radius: 50%;
    width: 100vw;
    height: 100%;
    object-fit: cover;
}
#contact ._container ._box ._box_child:nth-child(2) {
    border: 1px solid var(--white);
    border-radius: .5em;
    padding: 1em;
}
#contact ._container ._box ._box_child p {
    color: var(--white);
    font-size: 5vw;
    margin-top: .5em;
}
#contact ._container ._box ._box_child .out-top {
    animation: rotate 20s linear infinite;
    transform-origin: 13px 25px;
}
#contact ._container ._box ._box_child .in-top {
    animation: rotate 10s linear infinite;
    transform-origin: 13px 25px;
}
#contact ._container ._box ._box_child .out-bottom {
    animation: rotate 25s linear infinite;
    transform-origin: 84px 93px;
}
#contact ._container ._box ._box_child .in-bottom {
    animation: rotate 15s linear infinite;
    transform-origin: 84px 93px;
}
@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}
@media screen and (min-width:768px) {}
@media screen and (min-width:960px) {
    #contact ._container ._box {
        display: flex;
        align-items: center;
        gap: 20px;
    }
    #contact ._container ._box ._box_child {
        width: calc((100% - 20px) / 2);
    }
    #contact ._container ._box ._box_child:nth-child(2) {
        padding: 2em;
        margin: 0;
    }
    #contact ._container ._box ._box_child .heading02 {
        font-size: 4vw;
    }
    #contact ._container ._box ._box_child p {
        font-size: 2.5vw;
    }
}
@media screen and (min-width:1200px) {}
/*　Instagram　*/
#instagram {
    padding-bottom: 0;
}
#instagram ._container {
    padding: 4%;
}
#instagram .insta_list {
    margin-top: 30px;
    display: flex;
    flex-wrap: wrap;
}
#instagram .insta_list li {
    width: calc(100% / 4);
    overflow: hidden;
}
#instagram .insta_list li img {
    width: 100%;
    height: auto;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    filter: grayscale(100%) contrast(180%);
    transition: .3s all;
}
#instagram .insta_list li img:hover {
    transform: scale(1.2, 1.2) rotate(5deg);
    filter: grayscale(0%) contrast(100%);
}
#instagram .btns {
    margin-top: 2em;
}
@media screen and (min-width: 768px) {}
@media screen and (min-width: 960px) {}
@media screen and (min-width: 1200px) {
    #instagram .insta_list li {
        width: calc(100% / 8);
    }
}
/*===================================
subpage
===================================*/
.subpage_mv {
    position: relative;
    background: url(../img/mv.jpg) center center no-repeat;
    background-size: cover;
    width: 100%;
    height: 40vh;
}
.subpage_mv::after {
    position: absolute;
    content: '';
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, .7);
    z-index: 1;
}
.subpage_mv_title {
    position: absolute;
    transform: translate(-50%, -50%);
    left: 50%;
    top: calc(50% + 30px);
    width: 100%;
    text-align: center;
    z-index: 2;
}
.subpage_mv_title .title {
    color: #fff;
    font-size: clamp(21px, 6vw, 36px);
    text-align: center;
}
.subpage_mv_title .title span {
    color: #ccc;
    display: block;
    font-size: .5em;
    letter-spacing: .5em;
}
@media screen and (min-width:768px) {}
@media screen and (min-width:960px) {}
@media screen and (min-width:1200px) {}
/*===================================
blog
===================================*/
#blog.news .post_list {
    margin-top: 50px;
}
#blog.news {}
#blog.news {}
#blog.news {}
#blog.news {}
#blog.news {}
#blog.news .sidebar_list {
    margin-top: 50px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}
#blog.news .sidebar_list .sidebar_contents {
    border: 1px solid #696969;
    border-radius: .5em;
    display: flex;
    flex-direction: column;
    padding: 1em;
}
#blog.news .sidebar_list .sidebar_contents .post_conteiner {
    margin-top: 1em;
}
#blog.news .sidebar_list .sidebar_contents .post_conteiner .heading {
    border-bottom: 1px solid #fff;
}
#blog.news .sidebar_list .sidebar_contents .post_conteiner p {
    padding: .2em .5em;
}
@media screen and (min-width:768px) {}
@media screen and (min-width:960px) {}
@media screen and (min-width:1200px) {
    #blog.news ._container .post_list .post {
        width: calc((100% - 30px) / 4);
    }
    #blog.news .sidebar_list {
        flex-direction: row;
    }
}
#blog .post_list .post .cat_name {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 5px;
    padding: .5em;
    margin-top: auto;
}
#blog .post_list .post .cat_name a {
    background: #656565;
    color: #fff;
    font-size: 12px;
    padding: .5em;
    width: calc((100% - 5px) / 2);
    text-align: center;
}
/* ----- paginate_links ----- */
#blog .paginate_links {
    display: flex;
    flex-direction: row;
    gap: 20px;
    margin: 50px 0 0;
}
#blog .paginate_links {
    padding: 4%;
}
#blog .paginate_links .page-numbers {
    color: #ccc;
    padding: 5px 10px;
    text-transform: uppercase;
}
#blog .paginate_links .page-numbers.current {
    border-bottom: 1px solid #222;
    color: #222;
}
#blog .paginate_links .page-numbers.next, .paginate_links .page-numbers.prev {
    border-bottom: 1px solid #222;
    color: #222;
}
#blog .paginate_links .page-numbers.next {
    margin-left: auto;
}
/* ----- single ----- */
#single .single_title {
    background: #ccc;
    margin: 0 -5%;
    padding: 4% 8%;
}
#single time {
    padding: 4%;
    color: #7d7d7d;
}
#single .single_header, #blog .single_header {
    padding: 2% 4%;
    background: #696969;
}
#single .single_container {
    margin: 50px auto;
}
#single .single_body {
    margin-top: 2em;
}
#single .archive_area {
    margin-top: 50px;
}
#single .archive_area .post_container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
#single .archive_area .post_container .post {
    border: 1px solid #696969;
    border-radius: .5em;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
#single .archive_area .post_container .post .post_txt {
    padding: 1em;
}
#single .archive_area .post_container .post .post_txt .heading02 {
    font-size: 5vw;
}
@media screen and (min-width:768px) {
    #single .archive_area .post_container {
        flex-direction: row;
        flex-wrap: wrap;
    }
    #single .archive_area .post_container .post {
        width: calc((100% - 20px) / 2);
    }
    #single .archive_area .post_container .post .post_txt .heading02 {
        font-size: 3vw;
    }
}
@media screen and (min-width:960px) {
    #single .single_title .heading01 {
        font-size: 5vw;
    }
    #single .archive_area .post_container .post .post_txt .heading02 {
        font-size: 2vw;
    }
}
@media screen and (min-width:1200px) {
    #single .single_title .heading01 {
        font-size: 3vw;
    }
    #single .archive_area .post_container .post {
        width: calc((100% - 60px) / 4);
    }
    #single .archive_area .post_container .post .post_txt .heading02 {
        font-size: 1vw;
    }
}
/* ----- bread  ----- */
#breadcrumb {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    padding: 0;
}
#breadcrumb li, #breadcrumb a {
    position: relative;
    font-size: 10px;
}
#breadcrumb li::before, #breadcrumb a::before {
    position: absolute;
    content: ">";
    left: -10px;
}
#breadcrumb li:last-child span {
    font-weight: 600;
    max-width: 8em;
    overflow: hidden;
    text-overflow: ellipsis;
}
#breadcrumb li + li {
    margin-left: 20px;
}
#breadcrumb li + a {
    margin-left: 20px;
}
#breadcrumb a + li {
    margin-left: 20px;
}
/* relation_post */
.relation_container ._container {
    padding: 4%;
}
.relation_container ._container .heading02 {
    border-left: 3px solid #222;
    font-size: 1.1em;
    padding-left: .5em;
}
.relation_container ._container .post_container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.relation_container ._container .archive-area {
    margin-top: 50px;
}
.relation_container ._container .card {
    display: flex;
    flex-direction: column;
    border: 1px solid #222;
}
.relation_container ._container .card ._img img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}
.relation_container ._container .card {
    color: #7d7d7d;
}
.relation_container ._container .card .date-time-container {
    padding: 4%;
}
.relation_container ._container .card .content {
    display: flex;
    flex-direction: column;
    padding: 4%;
}
.relation_container ._container .card .content .title {
    border-bottom: 1px solid #222;
}
.relation_container ._container .card .content p {
    font-size: 12px;
}
.relation_container ._container .card .content .action {
    background: #222;
    color: #fff;
    padding: .5em 1em;
    margin-top: auto;
}
@media screen and (min-width:768px) {
    .relation_container ._container .post_container {
        flex-direction: row;
        flex-wrap: wrap;
    }
    .relation_container ._container .card {
        width: calc((100% - 20px) / 2);
    }
    .relation_container ._container .card .content {
        padding: 0 4% 4%;
    }
    .relation_container ._container .card .content p {
        line-height: 1.5;
    }
}
@media screen and (min-width:960px) {
    .relation_container ._container .heading01 {
        font-size: 5vw;
    }
    .relation_container ._container .post {
        width: calc((100% - 40px) / 3);
    }
}
@media screen and (min-width:1200px) {
    .relation_container ._container .heading01 {
        font-size: 3vw;
    }
}
/* prev-next-post */
#prev-next-post {
    display: flex;
    flex-direction: column;
    margin-top: 50px;
    width: 100%;
    gap: 4%;
}
#prev-next-post .next-post, #prev-next-post .prev-post {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    background: #222;
    border-radius: .5em;
    border-top: 1px solid #222;
    border-bottom: 1px solid #222;
    width: 100%;
    margin-top: 10px;
}
#prev-next-post .next-prev-ttl {
    padding: 4%;
    width: 100%;
    max-width: 15em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
#prev-next-post .next-post .next-prev-thum {
    margin-right: auto;
}
#prev-next-post .next-prev-thum p {
    font-weight: 600;
    text-align: center;
    text-decoration: underline;
    margin: 2px 0;
    width: 6em;
}
#prev-next-post .prev-post .next-prev-thum {
    margin-left: auto;
}
#prev-next-post .next-prev-thum img {
    width: 180px;
    object-fit: cover;
}
@media screen and (min-width:768px) {
    #prev-next-post {
        flex-direction: row;
    }
    #prev-next-post .next-post, #prev-next-post .prev-post {
        width: calc((100% - 4%) / 2);
    }
}
@media screen and (min-width:960px) {}
/* ----- search ----- */
.search_container {
    width: 100%;
}
.search_container .no_post {
    width: 100%;
}
.search_container .search-form {
    display: flex;
    align-items: center;
}
.search_container .search-field {
    flex: 1;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
}
.search_container .search-submit {
    padding: 8px 16px;
    margin-left: 5px;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
#searchform {
    background-color: #1d1d1d;
    padding: 10px;
    border-radius: 8px;
    margin-top: 15px;
}
#searchform label.screen-reader-text {
    display: none;
}
#searchform div {
    display: flex;
    align-items: center;
}
#searchform input[type='text'] {
    flex: 1;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
}
#searchform input[type='submit'] {
    padding: 8px 16px;
    margin-left: 5px;
    background-color: #656565;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
/* ----- search ----- */
.sidebar_list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.sidebar_contents {
    border: 1px solid #222;
    padding: 4%;
}
.sidebar_contents .post_conteiner li {
    color: #656565;
    font-weight: 600;
    padding: .5em;
}
.sidebar_contents .post_conteiner li + li {
    border-top: 1px solid #ccc;
}
.sidebar_contents .heading {
    border-left: 5px solid #656565;
    padding-left: .5em;
}
@media screen and (min-width: 1200px) {
    .sidebar_list {
        flex-direction: row;
        flex-wrap: wrap;
    }
    .sidebar_contents {
        width: calc((100% - 40px) / 3);
    }
    .sidebar_contents:last-child {
        width: 100%;
    }
}
@media screen and (min-width: 768px) {
    #blog .post_list {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 20px;
    }
    #blog .post_list .post {
        width: calc((100% - 20px) / 2);
    }
}
@media screen and (min-width: 960px) {
    #blog .post_list .post {
        width: calc((100% - 40px) / 3);
    }
    #blog .post_list .post ._img img {
        height: 180px;
    }
}
@media screen and (min-width: 1200px) {
    #blog .post_list .post {
        width: calc((100% - 60px) / 4);
    }
}
/*===================================
plivacy policy
===================================*/
#policy ._container {}
#policy ._container ._box {}
#policy ._container ._box .heading02 {
    line-height: 1;
}
#policy ._container ._box p {
    color: #696969;
    text-align: left;
    margin-top: 1em;
}
#policy ._container ._box ul {
    margin-top: 1em;
}
#policy ._container ._box ul li {
    list-style: disc;
    margin-left: 1em;
}
#policy ._container ._box ul li span {
    display: block;
    font-weight: bold;
}
@media screen and (min-width:768px) {
    #policy ._container ._box .heading02 {
        font-size: 6vw;
    }
    #policy ._container ._box p {
        font-size: 3vw;
    }
}
@media screen and (min-width:960px) {
    #policy ._container ._box .heading02 {
        font-size: 9vw;
    }
}
@media screen and (min-width:1200px) {
    #policy ._container ._box p {
        font-size: 1.2vw;
    }
    #policy ._container ._box .heading02 {
        font-size: 4vw;
    }
}
/*===================================
terms of use
===================================*/
#term ._container {}
#term ._container ._box {}
#term ._container ._box .heading02 {
    line-height: 1;
}
#term ._container ._box p {
    color: #696969;
    text-align: left;
    margin-top: 1em;
}
@media screen and (min-width:768px) {
    #term ._container ._box .heading02 {
        font-size: 6vw;
    }
    #term ._container ._box p {
        font-size: 3vw;
    }
}
@media screen and (min-width:960px) {
    #term ._container ._box .heading02 {
        font-size: 9vw;
    }
}
@media screen and (min-width:1200px) {
    #term ._container ._box p {
        font-size: 1.2vw;
    }
    #term ._container ._box .heading02 {
        font-size: 4vw;
    }
}
/*===================================
form
===================================*/
#contact_form form {
    background: ;
    border: 1px solid var(--white);
    border-radius: .5em;
    margin: 0 auto;
    padding: 4%;
    width: min(100%, 800px);
}
#contact_form .form_body {
    margin-top: 30px;
}
#contact_form .form_body .form_item {
    color: var(--blue);
    display: flex;
    flex-direction: column;
    gap: 10px;
}
#contact_form .form_body .form_item + .form_item {
    margin-top: 1.5em;
}
#contact_form .form_body .form_item .form_label {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    font-size: 10vw;
    font-weight: 600;
    letter-spacing: 0.05em;
    width: 100%;
}
#contact_form .form_body .form_item .form_label.is-msg {
    margin-top: 8px;
    margin-bottom: auto;
}
#contact_form .form_body.form_item .phone_nunber {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 3px;
}
#contact_form .form_body .input_item {
    color: #222;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 100vh;
    padding: 5px 1em;
    width: 100%;
    background: #ececec;
}
#contact_form .form_body .form_item_textarea {
    color: #222;
    background: #ececec;
    border: 1px solid #ddd;
    border-radius: 20px;
    font-size: 16px;
    padding-left: 1em;
    padding-right: 1em;
    width: 100%;
    height: 200px;
}
#contact_form .form_body .submit_btn {
    background: var(--blue);
    color: var(--yellow);
}
#contact_form .form_body .back_btn {
    background: var(--blue);
    color: var(--yellow);
}
#contact_form .form_body .submit_btn, #contact_form .form_body .back_btn {
    background: #5e5c5c;
    border: none;
    display: block;
    letter-spacing: 0.05em;
    color: #fff;
    font-weight: 600;
    font-size: 16px;
    transition: .3s all;
}
#contact_form .form_body .submit_btn:hover, #contact_form .form_body .back_btn:hover {
    background: var(--yellow);
    color: var(--blue);
}
#contact_form .form_body .g-recaptcha > div {
    margin: 30px auto 10px;
}
#contact_form .form_body .form_btn {
    margin-top: 24px;
    padding-top: 8px;
    padding-bottom: 8px;
    width: 160px;
    font-size: 16px;
}
@media screen and (min-width:768px) {
    #contact_form .form_body .form_item .form_label {
        font-size: 5vw;
    }
}
@media screen and (min-width:960px) {
    #contact_form .form_body .form_item .form_label {
        font-size: 3vw;
    }
}
@media screen and (min-width:1200px) {
    #contact_form .form_body .form_item .form_label {
        font-size: 2vw;
    }
}
/*===================================
confirm
===================================*/
#confirm .confirm_footer {
    margin-top: 3em;
}
#confirm .confirm_footer .btns > * {
    width: calc((100% - 10px) / 2);
}
#confirm p {
    background: #383838;
    font-size: 4vw;
    padding: .5em 1em;
}
#confirm .confirm-body {
    width: min(100%, 800px);
    margin: 50px auto;
}
@media screen and (min-width:768px) {
    #confirm .confirm_footer .btns {
        width: min(100%, 600px);
        margin: 0 auto;
    }
    #confirm p {
        font-size: 16px;
    }
}
@media screen and (min-width:960px) {}
@media screen and (min-width:1200px) {}
/*===================================
thanks
===================================*/
#thanks .heading01 {
    text-align: center;
}
#thanks p {
    font-size: 4.5vw;
    margin-top: 1em;
}
#thanks .btn {
    margin-top: 1em;
}
@media screen and (min-width:768px) {
    #thanks p {
        font-size: 16px;
    }
}
@media screen and (min-width:960px) {}
@media screen and (min-width:1200px) {
    #thanks p {
        text-align: center;
    }
}
/*===================================
404
===================================*/
#error .btn {
    margin-top: 1em;
}
@media screen and (min-width:768px) {}
@media screen and (min-width:960px) {}
@media screen and (min-width:1200px) {}