@charset "UTF-8";
/*****************/
/**** reset *****/
/*****************/
/*
  Josh's Custom CSS Reset
  https://www.joshwcomeau.com/css/custom-css-reset/
*/
*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

html,
body {
  height: 100%;
}

body {
  line-height: 1;
  -webkit-font-smoothing: antialiased;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
  line-height: 1;
}

#root,
#__next {
  isolation: isolate;
}

html {
  font-size: 62.5%;
}

body {
  color: white;
  font-family: "Noto Sans JP", "Noto Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

a {
  display: block;
  text-decoration: none;
  transition: opacity 0.6s ease;
}
a:hover {
  opacity: 0.6;
}

ul {
  padding: 0;
}
ul li {
  list-style: none;
}

img {
  height: auto;
  display: block;
}

/*****************/
/****   font *****/
/*****************/
.desc {
  line-height: 1.6;
  letter-spacing: 0.01em;
  font-weight: 500;
}

.bold {
  font-weight: bold;
}

.eng {
  font-family: "Montserrat", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

@media screen and (min-width: 769px) {
  /*****************/
  /***parts***/
  /*****************/
  .sp_only {
    display: none !important;
  }
  a[href*=tel] {
    pointer-events: none;
  }
  section {
    position: relative;
    overflow: hidden;
  }
  .container {
    width: 100%;
    margin: 0 auto;
    max-width: 1110px;
    padding-left: 15px;
    padding-right: 15px;
  }
  .section-ttl {
    writing-mode: vertical-lr;
    font-size: 17rem;
    color: rgba(255, 255, 255, 0.1);
    position: absolute;
  }
  .cta {
    max-width: 956px;
    width: 90%;
    background-color: black;
    padding-top: 52px;
    padding-bottom: 48px;
  }
  .cta-p {
    font-size: 3.6rem;
    text-align: center;
    font-weight: bold;
  }
  .cta-link {
    margin: 40px auto 0;
    width: 418px;
    height: 62px;
    border-radius: 7px;
    color: white;
    font-size: 2rem;
    text-align: center;
    background-color: #FF8533;
    line-height: 62px;
    position: relative;
    font-weight: bold;
  }
  .cta-link:after {
    content: "";
    position: absolute;
    width: 10px;
    height: 10px;
    border-top: 2px solid white;
    border-right: 2px solid white;
    top: 50%;
    right: 20px;
    transform: translateY(-50%) rotate(45deg);
  }
  .cta-link:hover {
    opacity: 1;
    background-color: white;
    color: #FF8533;
  }
  .cta-link:hover:after {
    border-color: #FF8533;
  }
  /*****************/
  /*** pageheader***/
  /*****************/
  .pageheader {
    position: relative;
    padding: 100px 0 120px;
    text-align: center;
    background-image: url(/assets/images/challenges-bg__img.png);
    background-position: top;
    background-size: cover;
    background-repeat: no-repeat;
  }
  .pageheader-ttl {
    font-size: 2rem;
    background-color: #0F1826;
    padding: 20px 50px;
    display: inline-block;
    font-weight: bold;
  }
  .pageheader-ttl .eng {
    display: block;
    margin-bottom: 15px;
    font-size: 3.5rem;
  }
  /*****************/
  /*** breadcrumb***/
  /*****************/
  .breadcrumb {
    padding-top: 10px;
    padding-bottom: 10px;
    position: relative;
  }
  .breadcrumb-list {
    display: flex;
    list-style: none;
    padding: 0;
  }
  .breadcrumb-list__item {
    font-size: 1.4rem;
    margin-right: 15px;
    display: flex;
    align-items: center;
  }
  .breadcrumb-list__item:before {
    content: ">";
    margin-right: 15px;
    display: inline-block;
  }
  .breadcrumb-list__item a {
    color: white;
    text-decoration: underline;
  }
  .breadcrumb-list__item:first-child::before {
    display: none;
  }
  /*****************/
  /*** fixed***/
  /*****************/
  .sp-nav {
    display: none;
  }
  .hamburger-menu {
    display: none;
  }
  /*****************/
  /*** header***/
  /*****************/
  .header {
    height: 100px;
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 101;
  }
  .header.active {
    mix-blend-mode: exclusion;
  }
  .header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
  }
  .header-logo {
    width: 140px;
  }
  .header-nav ul {
    display: flex;
    justify-content: flex-end;
  }
  .header-nav ul li {
    margin-right: 10%;
  }
  .header-nav ul li a {
    font-size: 1.6rem;
    color: white;
    white-space: nowrap;
    font-weight: bold;
  }
  .header-nav ul li:last-child {
    margin-right: 0;
  }
  /*****************/
  /*** footer***/
  /*****************/
  .footer {
    background-color: black;
    padding-top: 35px;
    padding-bottom: 28px;
    position: relative;
  }
  .footer-logo {
    margin: 30px auto 0;
    width: 170px;
  }
  .footer-social {
    margin-top: 28px;
    display: flex;
    justify-content: center;
  }
  .footer-social__item {
    margin-right: 35px;
  }
  .footer-social__item.facebook a {
    width: 32px;
  }
  .footer-social__item.instagram a {
    width: 26px;
  }
  .footer-social__item.twitter a {
    width: 25px;
  }
  .footer-social li:last-child {
    margin-right: 0;
  }
  .footer-copyright {
    margin-top: 20px;
    text-align: center;
    font-size: 1.2rem;
    display: block;
  }
}
@media screen and (max-width: 768px) {
  /*****************/
  /***parts***/
  /*****************/
  .pc_only {
    display: none !important;
  }
  section {
    position: relative;
    overflow: hidden;
  }
  .container {
    width: 100%;
    margin: 0 auto;
    max-width: 1110px;
    padding-left: 15px;
    padding-right: 15px;
  }
  .section-ttl {
    writing-mode: vertical-lr;
    font-size: 15rem;
    color: rgba(255, 255, 255, 0.1);
    position: absolute;
  }
  .cta {
    max-width: 956px;
    width: 100%;
    background-color: black;
    padding-top: 52px;
    padding-bottom: 69px;
  }
  .cta-p {
    font-size: 2rem;
    text-align: center;
    font-weight: bold;
  }
  .cta-link {
    margin: 35px auto 0;
    width: 90%;
    max-width: 330px;
    height: 62px;
    border-radius: 7px;
    color: white;
    font-size: 2rem;
    text-align: center;
    background-color: #FF8533;
    line-height: 62px;
    position: relative;
    font-weight: bold;
  }
  .cta-link:after {
    content: "";
    position: absolute;
    width: 10px;
    height: 10px;
    border-top: 2px solid white;
    border-right: 2px solid white;
    top: 50%;
    right: 20px;
    transform: translateY(-50%) rotate(45deg);
  }
  .cta-link:hover {
    opacity: 1;
    background-color: white;
    color: #FF8533;
  }
  .cta-link:hover:after {
    border-color: #FF8533;
  }
  /*****************/
  /*** pageheader***/
  /*****************/
  .pageheader {
    position: relative;
    padding: 100px 0 100px;
    text-align: center;
    background-image: url(/assets/images/challenges-bg__img.png);
    background-position: top;
    background-size: cover;
    background-repeat: no-repeat;
  }
  .pageheader-ttl {
    font-size: 1.6rem;
    background-color: #0F1826;
    padding: 20px 50px;
    display: inline-block;
    font-weight: bold;
  }
  .pageheader-ttl .eng {
    display: block;
    margin-bottom: 15px;
    font-size: 2.5rem;
  }
  /*****************/
  /*** breadcrumb***/
  /*****************/
  .breadcrumb {
    padding-top: 10px;
    padding-bottom: 10px;
    position: relative;
  }
  .breadcrumb-list {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    padding: 0;
  }
  .breadcrumb-list__item {
    font-size: 1.2rem;
    margin-right: 15px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
  }
  .breadcrumb-list__item:before {
    content: ">";
    margin-right: 15px;
    display: inline-block;
  }
  .breadcrumb-list__item a {
    color: white;
    text-decoration: underline;
  }
  .breadcrumb-list__item:first-child::before {
    display: none;
  }
  /*****************/
  /*** fixed***/
  /*****************/
  .sp-nav {
    position: fixed;
    z-index: 101;
    top: 0;
    right: 0;
    max-width: 400px;
    width: 100%;
    height: 100vh;
    background-color: rgba(15, 24, 38, 0.9);
    padding: 50px 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transform: translateX(100%);
    transition: all 0.6s ease;
  }
  .sp-nav.active {
    transform: translateX(0);
  }
  .sp-nav .menu {
    border-top: 1px solid #ccc;
    width: 100%;
  }
  .sp-nav .menu li {
    padding-top: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid #ccc;
  }
  .sp-nav .menu li a {
    color: white;
    font-size: 1.6rem;
    text-align: center;
  }
  .sp-nav .sp-sns {
    margin-top: 50px;
    display: flex;
    justify-content: flex-end;
    align-items: center;
  }
  .sp-nav .sp-sns__item {
    width: 26px;
    margin-left: 40px;
  }
  .sp-nav .sp-sns li:first-child {
    margin-left: 0;
  }
  .hamburger-menu {
    width: 50px;
    height: 50px;
    position: fixed;
    border: none;
    background: transparent;
    appearance: none;
    padding: 0;
    cursor: pointer;
    top: 15px;
    right: 5px;
    z-index: 102;
  }
  .hamburger-menu.active {
    mix-blend-mode: exclusion;
  }
  .hamburger-menu__bar {
    display: inline-block;
    width: 44%;
    height: 2px;
    background: white;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    transition: 0.5s;
  }
  .hamburger-menu__bar:first-child {
    top: 16px;
  }
  .hamburger-menu__bar:nth-child(2) {
    top: 24px;
  }
  .hamburger-menu__bar:last-child {
    top: 32px;
  }
  .hamburger-menu--open .hamburger-menu__bar {
    top: 50%;
  }
  .hamburger-menu--open .hamburger-menu__bar:first-child {
    transform: translateX(-50%) translateY(-50%) rotate(45deg);
  }
  .hamburger-menu--open .hamburger-menu__bar:last-child {
    transform: translateX(-50%) translateY(-50%) rotate(-45deg);
  }
  .hamburger-menu--open .hamburger-menu__bar:nth-child(2) {
    display: none;
  }
  /*****************/
  /*** header***/
  /*****************/
  .header {
    height: 100px;
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 101;
  }
  .header.active {
    mix-blend-mode: exclusion;
  }
  .header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
  }
  .header-logo {
    width: 120px;
  }
  .header-nav {
    display: none;
  }
  /*****************/
  /*** footer***/
  /*****************/
  .footer {
    background-color: black;
    padding-top: 35px;
    padding-bottom: 44px;
    position: relative;
  }
  .footer-logo {
    margin: 0 auto;
    width: 140px;
  }
  .footer-social {
    margin-top: 28px;
    display: flex;
    justify-content: center;
  }
  .footer-social__item {
    margin-right: 35px;
  }
  .footer-social__item.facebook a {
    width: 32px;
  }
  .footer-social__item.instagram a {
    width: 26px;
  }
  .footer-social__item.twitter a {
    width: 25px;
  }
  .footer-social li:last-child {
    margin-right: 0;
  }
  .footer-copyright {
    margin-top: 20px;
    text-align: center;
    font-size: 1.2rem;
    display: block;
  }
}
/*****************/
/*** main#top***/
/*****************/
/*****************/
/*** hero***/
/*****************/
@media screen and (min-width: 769px) {
  #top .hero {
    height: 100vh;
    background-image: url(/assets/images/hero.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    overflow: hidden;
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
  }
  #top .hero .container {
    height: 100%;
    display: flex;
    align-items: center;
    position: relative;
  }
  #top .hero-ttl {
    font-size: 6.4rem;
    line-height: 1.6;
    color: white;
    font-weight: bold;
  }
  #top .hero-sub-title {
    position: absolute;
    bottom: 45px;
    left: 0;
    color: rgba(195, 206, 224, 0.3);
    font-weight: bold;
    white-space: nowrap;
    width: 100vw;
    overflow: hidden;
  }
  #top .hero-sub-title.none {
    color: #172439;
  }
  #top .hero-sub-title .hero-text-swiper {
    width: 100%;
    height: auto;
  }
  #top .hero-sub-title .swiper-wrapper {
    transition-timing-function: linear;
  }
  #top .hero-sub-title .swiper-slide {
    width: auto;
    margin-right: 20px;
  }
  #top .hero-sub-title .scroll-content {
    font-size: 4rem;
    white-space: nowrap;
  }
  #top .hero-sub-title span {
    display: block;
    font-size: 3.2rem;
  }
}
@media screen and (max-width: 768px) {
  #top .hero {
    height: 100vh;
    background-image: url(/assets/images/hero-sp.png);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    overflow: hidden;
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
  }
  #top .hero .container {
    height: 100%;
    display: flex;
    align-items: center;
    position: relative;
  }
  #top .hero-ttl {
    margin-top: 25vh;
    font-size: 3.6rem;
    line-height: 1.6;
    color: white;
    font-weight: bold;
    letter-spacing: 0.1em;
  }
  #top .hero-sub-title {
    position: absolute;
    bottom: 50px;
    left: 20px;
    color: rgba(195, 206, 224, 0.3);
    font-weight: bold;
    white-space: nowrap;
    width: calc(100vw - 40px);
    overflow: hidden;
  }
  #top .hero-sub-title.none {
    color: #172439;
  }
  #top .hero-sub-title .hero-text-swiper {
    width: 100%;
    height: auto;
  }
  #top .hero-sub-title .swiper-wrapper {
    transition-timing-function: linear;
  }
  #top .hero-sub-title .swiper-slide {
    width: auto;
    margin-right: 20px;
  }
  #top .hero-sub-title .scroll-content {
    font-size: 2.4rem;
    white-space: nowrap;
  }
  #top .hero-sub-title span {
    display: block;
    font-size: 1.6rem;
  }
}
/*****************/
/*** challenges***/
/*****************/
@media screen and (min-width: 769px) {
  #top .challenges {
    margin-top: 100vh;
    background-color: #172439;
    position: relative;
    overflow: hidden;
    padding-top: 45px;
    padding-bottom: 130px;
  }
  #top .challenges-bg {
    background-color: #0F1826;
    width: 100%;
    height: 200%;
    position: absolute;
    top: 50%;
    left: 0;
    transform: rotate(25deg) translate(-87%, -50%);
  }
  #top .challenges-bg__img {
    position: absolute;
    width: 100%;
    height: 600px;
    top: 50%;
    left: 0;
    background-image: url(/assets/images/challenges-bg__img.png);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    mask-image: linear-gradient(to bottom, transparent 0%, black 50%, transparent 100%);
    transform: translateY(-50%);
  }
  #top .challenges-ttl {
    margin: 0 auto;
    text-align: center;
    position: relative;
    font-size: 4.8rem;
    font-weight: bold;
    color: rgba(195, 206, 224, 0.3);
    width: 500px;
  }
  #top .challenges-ttl:before {
    content: "";
    position: absolute;
    display: block;
    top: 50%;
    width: 1000px;
    left: 0;
    transform: translate(-100%, -50%);
    height: 22px;
    background-color: rgba(195, 206, 224, 0.3);
  }
  #top .challenges-ttl:after {
    content: "";
    width: 1000px;
    display: block;
    position: absolute;
    top: 50%;
    right: 0;
    transform: translate(100%, -50%);
    height: 22px;
    background-color: rgba(195, 206, 224, 0.3);
  }
  #top .challenges .container {
    position: relative;
    margin-top: 66px;
  }
  #top .challenges-sub {
    font-weight: 600;
    font-size: 1.6rem;
    text-align: center;
  }
  #top .challenges-list {
    margin: 50px auto 0;
    width: 660px;
  }
  #top .challenges-list__item {
    background-color: white;
    transform: skew(-20deg);
    height: 48px;
    margin-bottom: 36px;
  }
  #top .challenges-list__item p {
    font-size: 1.6rem;
    font-weight: 600;
    color: #0F1826;
    line-height: 48px;
    text-align: center;
    transform: skew(20deg);
  }
  #top .challenges-list__item p br {
    display: none;
  }
  #top .challenges-catch {
    margin-top: 208px;
    font-size: 4.8rem;
    font-weight: bold;
    color: white;
    line-height: 1.6;
    text-align: center;
  }
  #top .challenges-cta {
    margin: 100px auto 0;
  }
}
@media screen and (max-width: 768px) {
  #top .challenges {
    margin-top: 100vh;
    background-color: #172439;
    position: relative;
    overflow: hidden;
    padding-top: 45px;
    padding-bottom: 130px;
  }
  #top .challenges-bg {
    background-color: #0F1826;
    width: 200%;
    height: 200%;
    position: absolute;
    top: 50%;
    left: -100%;
    transform: rotate(25deg) translate(-95%, -50%);
  }
  #top .challenges-bg__img {
    position: absolute;
    width: 100%;
    height: 600px;
    top: 50%;
    left: 0;
    background-image: url(/assets/images/challenges-bg__img.png);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    mask-image: linear-gradient(to bottom, transparent 0%, black 50%, transparent 100%);
    transform: translateY(-50%);
  }
  #top .challenges-ttl {
    margin: 0 auto;
    text-align: center;
    position: relative;
    font-size: 2rem;
    font-weight: bold;
    color: rgba(195, 206, 224, 0.3);
    width: 220px;
  }
  #top .challenges-ttl:before {
    content: "";
    position: absolute;
    display: block;
    top: 50%;
    width: 1000px;
    left: 0;
    transform: translate(-100%, -50%);
    height: 6px;
    background-color: rgba(195, 206, 224, 0.3);
  }
  #top .challenges-ttl:after {
    content: "";
    width: 1000px;
    display: block;
    position: absolute;
    top: 50%;
    right: 0;
    transform: translate(100%, -50%);
    height: 6px;
    background-color: rgba(195, 206, 224, 0.3);
  }
  #top .challenges .container {
    position: relative;
    margin-top: 34px;
    padding-left: 15px;
    padding-right: 15px;
  }
  #top .challenges-sub {
    font-weight: 600;
    font-size: 1.4rem;
    text-align: center;
  }
  #top .challenges-list {
    margin: 28px auto 0;
    max-width: 660px;
  }
  #top .challenges-list__item {
    background-color: white;
    transform: skew(-20deg);
    margin-right: 3.5%;
    margin-left: 3.5%;
    margin-bottom: 33px;
    padding: 10px 25px;
  }
  #top .challenges-list__item p {
    line-height: 1.5;
    font-size: 1.4rem;
    font-weight: 600;
    color: #0F1826;
    transform: skew(20deg);
  }
  #top .challenges-catch {
    margin-top: 120px;
    font-size: 3.2rem;
    font-weight: bold;
    color: white;
    line-height: 1.6;
    text-align: center;
  }
  #top .challenges-cta {
    margin: 60px auto 0;
  }
}
/*****************/
/*** profile***/
/*****************/
@media screen and (min-width: 769px) {
  #top .profile {
    padding-top: 82px;
    padding-bottom: 107px;
    background-color: #172439;
    position: relative;
    overflow: hidden;
  }
  #top .profile-bg {
    background-color: #0F1826;
    width: 100%;
    height: 200%;
    position: absolute;
    top: 50%;
    left: 0;
    transform: rotate(25deg) translate(-10%, -50%);
  }
  #top .profile .container {
    position: relative;
  }
  #top .profile-ttl {
    right: 0;
    top: 50%;
    transform: translateY(-50%) rotate(180deg);
  }
  #top .profile-name {
    font-size: 4.8rem;
    color: white;
    font-weight: 600;
    text-align: center;
    border-bottom: 1px solid white;
    padding-bottom: 27px;
  }
  #top .profile-name span {
    font-size: 1.6rem;
    margin-top: 20px;
  }
  #top .profile-main {
    display: flex;
    justify-content: space-between;
    margin-top: 60px;
  }
  #top .profile-main__left {
    margin-right: 6%;
    width: 50%;
    max-width: 524px;
    flex-shrink: 0;
  }
  #top .profile-main__right {
    font-size: 1.6rem;
    font-weight: 500;
    line-height: 1.6;
  }
}
@media screen and (max-width: 768px) {
  #top .profile {
    padding-top: 36px;
    padding-bottom: 37px;
    background-color: #172439;
    position: relative;
    overflow: hidden;
  }
  #top .profile-bg {
    background-color: #0F1826;
    width: 200%;
    height: 200%;
    position: absolute;
    top: 50%;
    left: -50%;
    transform: rotate(25deg) translate(-10%, -50%);
  }
  #top .profile .container {
    position: relative;
  }
  #top .profile-ttl {
    right: 0;
    top: 50%;
    transform: translateY(-50%) rotate(180deg);
  }
  #top .profile-name {
    font-size: 2.4rem;
    color: white;
    font-weight: 600;
    text-align: center;
    border-bottom: 1px solid white;
    padding-bottom: 10px;
  }
  #top .profile-name span {
    font-size: 1.4rem;
    margin-top: 10px;
  }
  #top .profile-main {
    margin-top: 33px;
  }
  #top .profile-main__left {
    margin: 0 auto;
    width: 50%;
    max-width: 524px;
    flex-shrink: 0;
  }
  #top .profile-main__right {
    margin-top: 35px;
    font-size: 1.4rem;
    font-weight: 500;
    line-height: 1.6;
  }
}
/*****************/
/*** work***/
/*****************/
@media screen and (min-width: 769px) {
  #top .works {
    background-color: #172439;
    padding-top: 76px;
    padding-bottom: 63px;
  }
  #top .works .container {
    position: relative;
  }
  #top .works-ttl {
    left: 0;
    top: 0;
  }
  #top .works-archive {
    margin: 84px auto 0;
    width: 1000px;
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    transform: skew(-22.5deg);
  }
  #top .works-archive__item {
    width: 50%;
    height: 420px;
    transform: scale(1.15);
  }
  #top .works-archive__item .slider-link__thumb {
    transform: skew(22.5deg);
  }
  #top .works-archive__item .slider-link__thumb img {
    width: 100%;
  }
  #top .works-archive__item .slider-link__cat small {
    padding: 8px 10px;
    background-color: #D9011E;
    position: relative;
    font-size: 1.4rem;
    margin-left: 25px;
  }
  #top .works-archive__item .slider-link__cat small:before {
    content: "×";
    color: #D9011E;
    position: absolute;
    left: -15px;
    top: 50%;
    transform: translateY(-50%);
    font-weight: bold;
    font-size: 1.4rem;
  }
  #top .works-archive__item .slider-link__cat small span {
    transform: skew(22.5deg);
    color: white;
    text-align: center;
    font-weight: bold;
  }
  #top .works-archive__item .slider-link__cat small:first-child {
    margin-left: 0;
  }
  #top .works-archive__item .slider-link__cat small:first-child::before {
    display: none;
  }
  #top .works-archive__item .slider-link__ttl {
    transform: skew(22.5deg);
    font-size: 1.8rem;
    color: white;
    font-weight: bold;
  }
  #top .works-archive__item .slider.left .slider-link__cat {
    margin-top: 20px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    margin-right: 8%;
  }
  #top .works-archive__item .slider.left .slider-link__ttl {
    margin-top: 20px;
    text-align: end;
    margin-right: 8%;
  }
  #top .works-archive__item .slider.right .slider-item {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
  }
  #top .works-archive__item .slider.right .slider-link__cat {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    margin-left: 8%;
  }
  #top .works-archive__item .slider.right .slider-link__ttl {
    margin-bottom: 20px;
    margin-left: 8%;
  }
  #top .works-link {
    width: 300px;
    height: 60px;
    margin: 100px auto 0;
    line-height: 60px;
    background-color: #ffd814;
    color: #172439;
    text-align: center;
    font-size: 2rem;
    font-weight: bold;
    border-radius: 5px;
  }
  #top .works-link:hover {
    opacity: 1;
    background-color: #172439;
    color: #ffd814;
    border: 1px solid #ffd814;
  }
  #top .works-caption {
    margin-top: 50px;
    font-size: 1.6rem;
    font-weight: bold;
    text-align: center;
  }
}
@media screen and (max-width: 768px) {
  #top .works {
    background-color: #172439;
    padding-top: 25px;
    padding-bottom: 23px;
  }
  #top .works .container {
    position: relative;
  }
  #top .works-ttl {
    left: 0;
    top: 60px;
  }
  #top .works-archive {
    margin: 0 auto;
  }
  #top .works-archive__item {
    margin: 0 auto;
    transform: skew(-22.5deg);
    margin-right: 3%;
    margin-left: 3%;
  }
  #top .works-archive__item .slider-link {
    display: flex;
    flex-direction: column;
  }
  #top .works-archive__item .slider-link__thumb {
    transform: skew(22.5deg);
  }
  #top .works-archive__item .slider-link__thumb img {
    width: 100%;
  }
  #top .works-archive__item .slider-link__cat small {
    padding: 5px 10px;
    background-color: #D9011E;
    position: relative;
    font-size: 1.4rem;
    margin-left: 25px;
  }
  #top .works-archive__item .slider-link__cat small:before {
    content: "×";
    color: #D9011E;
    position: absolute;
    left: -15px;
    top: 50%;
    transform: translateY(-50%);
    font-weight: bold;
    font-size: 1.4rem;
  }
  #top .works-archive__item .slider-link__cat small span {
    transform: skew(22.5deg);
    color: white;
    text-align: center;
    font-weight: bold;
  }
  #top .works-archive__item .slider-link__cat small:first-child {
    margin-left: 0;
  }
  #top .works-archive__item .slider-link__cat small:first-child::before {
    display: none;
  }
  #top .works-archive__item .slider-link__ttl {
    transform: skew(22.5deg);
    font-size: 1.8rem;
    color: white;
    font-weight: bold;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  #top .works-archive__item .slider.left {
    margin-left: 3%;
  }
  #top .works-archive__item .slider.left .slider-link__cat {
    margin-top: 20px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    margin-right: 15%;
  }
  #top .works-archive__item .slider.left .slider-link__ttl {
    line-height: 1.6;
    margin-top: 18px;
    text-align: end;
    margin-right: 15%;
  }
  #top .works-archive__item .slider.left .slider-link__thumb {
    margin: 18px auto;
    margin-left: auto;
    margin-right: 0;
  }
  #top .works-archive__item .slider.right {
    margin-top: 30px;
    margin-left: 2%;
  }
  #top .works-archive__item .slider.right .slider-item {
    display: flex;
    flex-direction: column;
  }
  #top .works-archive__item .slider.right .slider-link__cat {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    margin-right: 15%;
  }
  #top .works-archive__item .slider.right .slider-link__ttl {
    line-height: 1.6;
    margin-bottom: 20px;
    text-align: end;
    margin-right: 15%;
  }
  #top .works-link {
    width: 250px;
    height: 50px;
    margin: 50px auto 0;
    line-height: 50px;
    background-color: #ffd814;
    color: #172439;
    text-align: center;
    font-size: 1.6rem;
    font-weight: bold;
    border-radius: 5px;
  }
  #top .works-link:hover {
    opacity: 1;
    background-color: #172439;
    color: #ffd814;
    border: 1px solid #ffd814;
  }
  #top .works-caption {
    margin-top: 25px;
    font-size: 1.4rem;
    font-weight: bold;
    line-height: 1.6;
  }
}
/*****************/
/*** plan***/
/*****************/
@media screen and (min-width: 769px) {
  #top .plan {
    padding-top: 50px;
    padding-bottom: 50px;
    position: relative;
    overflow: hidden;
    background-color: #172439;
  }
  #top .plan-bg {
    width: 100%;
    aspect-ratio: 1/1;
    background-image: url(/assets/images/plan-bg.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: top;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
  }
  #top .plan .container {
    position: relative;
  }
  #top .plan-ttl {
    top: -65px;
    right: 0;
    writing-mode: horizontal-tb;
  }
  #top .plan-tab {
    transform: skew(-22.5deg);
    margin: 0 auto;
    width: 440px;
    height: 48px;
    display: flex;
  }
  #top .plan-tab__item {
    width: 50%;
    cursor: pointer;
    background-color: white;
    color: #D9011E;
  }
  #top .plan-tab__item.active {
    background-color: #D9011E;
    color: white;
  }
  #top .plan-tab__item p {
    transform: skew(22.5deg);
    font-size: 1.5rem;
    font-weight: bold;
    line-height: 48px;
    text-align: center;
  }
  #top .plan-main {
    margin-top: 50px;
    background-color: white;
  }
  #top .plan-main__item {
    display: none;
  }
  #top .plan-main__item.active.plan-create {
    display: flex;
  }
  #top .plan-main__item.active.plan-general {
    display: block;
  }
  #top .plan h3 {
    font-size: 2rem;
    color: black;
    font-weight: bold;
    text-align: center;
  }
  #top .plan-create {
    padding: 25px;
    align-items: stretch;
  }
  #top .plan-create__item {
    width: 50%;
  }
  #top .plan-create__item.left {
    border-right: 1px solid black;
    padding-right: 25px;
    padding-bottom: 37px;
  }
  #top .plan-create__item.right {
    padding-left: 25px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
  #top .plan-create .lancers-ttl {
    margin-top: 15px;
  }
  #top .plan-create .lancers-list {
    margin-top: 13px;
    display: flex;
    justify-content: space-between;
  }
  #top .plan-create .lancers-list__item {
    padding: 6px 20px;
    background-color: #D9011E;
    font-size: 1.6rem;
    font-weight: 600;
  }
  #top .plan-create .lancers-sub {
    margin-top: 20px;
    text-align: center;
    font-size: 1.6rem;
    color: black;
  }
  #top .plan-create .lancers-profile {
    margin-top: 40px;
  }
  #top .plan-create .lancers-profile img {
    margin: 15px auto 0;
    width: 60px;
  }
  #top .plan-create .languages {
    margin-top: 40px;
  }
  #top .plan-create .languages-list {
    margin: 17px auto 0;
    width: 350px;
    display: flex;
    flex-wrap: wrap;
  }
  #top .plan-create .languages-list__item {
    font-size: 1.6rem;
    color: black;
    margin-bottom: 5px;
  }
  #top .plan-create .languages-list__item:before {
    content: "/";
  }
  #top .plan-create .languages-list li:first-child:before,
  #top .plan-create .languages-list li:nth-child(4):before {
    display: none;
  }
  #top .plan-create .enviroments {
    margin-top: 40px;
  }
  #top .plan-create .enviroments-list {
    margin: 17px auto 0;
    width: 350px;
    display: flex;
    justify-content: center;
  }
  #top .plan-create .enviroments-list__item {
    font-size: 1.6rem;
    color: black;
  }
  #top .plan-create .enviroments-list__item:before {
    content: "/";
  }
  #top .plan-create .enviroments-list li:first-child:before {
    display: none;
  }
  #top .plan-create .uptime-ttl {
    margin-top: 15px;
  }
  #top .plan-create .uptime-content {
    margin-top: 15px;
    color: black;
    font-size: 1.6rem;
    text-align: center;
    line-height: 1.6;
  }
  #top .plan-create .cost {
    margin-bottom: 15px;
  }
  #top .plan-create .cost table {
    margin-top: 15px;
    width: 100%;
    border-collapse: collapse;
  }
  #top .plan-create .cost table thead tr th {
    font-size: 1.6rem;
    font-weight: bold;
    color: black;
    padding-bottom: 10px;
    border-bottom: 1px solid black;
    text-align: left;
  }
  #top .plan-create .cost table tbody tr {
    margin-top: 14px;
    display: flex;
    justify-content: space-between;
  }
  #top .plan-create .cost table tbody tr th {
    display: block;
    width: 120px;
    padding-top: 5px;
    padding-bottom: 5px;
    background-color: #D9011E;
    text-align: center;
    font-size: 1.5rem;
  }
  #top .plan-create .cost table tbody tr th:nth-child(2) {
    background-color: transparent;
  }
  #top .plan-create .cost table tbody tr td {
    font-size: 1.6rem;
    color: black;
  }
  #top .plan-create .cost table tbody tr td:nth-child(2) {
    text-align: end;
  }
  #top .plan-general {
    padding-top: 40px;
    padding-bottom: 32px;
  }
  #top .plan-general__list {
    display: flex;
    margin-top: 35px;
  }
  #top .plan-general__box {
    padding-left: 22px;
    padding-right: 22px;
    width: 50%;
  }
  #top .plan-general__box.left {
    border-right: 1px solid black;
  }
  #top .plan-general__item {
    border-top: 1px solid black;
    padding: 25px 20px 30px;
  }
  #top .plan-general__name {
    font-size: 2rem;
    color: black;
    font-weight: bold;
  }
  #top .plan-general__sub {
    margin-top: 12px;
    font-size: 1.4rem;
    color: black;
    line-height: 1.6;
    font-weight: 500;
  }
  #top .plan-general__fee {
    margin-top: 34px;
    font-size: 2.4rem;
    color: #D9011E;
    font-weight: bold;
  }
  #top .plan-cta {
    margin: 50px auto 0;
  }
}
@media screen and (max-width: 768px) {
  #top .plan {
    padding-top: 50px;
    padding-bottom: 50px;
    position: relative;
    overflow: hidden;
    background-color: #172439;
  }
  #top .plan-bg {
    width: 500%;
    aspect-ratio: 1/1;
    background-image: url(/assets/images/plan-bg.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: top;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
  }
  #top .plan .container {
    position: relative;
  }
  #top .plan-ttl {
    top: -65px;
    right: 0;
    writing-mode: horizontal-tb;
  }
  #top .plan-tab {
    transform: skew(-22.5deg);
    margin: 0 auto;
    width: 100%;
    max-width: 376px;
    height: 33px;
    max-width: 330px;
    display: flex;
  }
  #top .plan-tab__item {
    width: 50%;
    cursor: pointer;
    background-color: white;
    color: #D9011E;
  }
  #top .plan-tab__item.active {
    background-color: #D9011E;
    color: white;
  }
  #top .plan-tab__item p {
    transform: skew(22.5deg);
    font-size: 1.2rem;
    font-weight: bold;
    line-height: 33px;
    text-align: center;
  }
  #top .plan-main {
    margin-top: 36px;
    background-color: white;
  }
  #top .plan-main__item {
    display: none;
  }
  #top .plan-main__item.active.plan-create {
    display: block;
  }
  #top .plan-main__item.active.plan-general {
    display: block;
  }
  #top .plan h3 {
    font-size: 1.6rem;
    color: black;
    font-weight: bold;
    text-align: center;
  }
  #top .plan-create {
    padding: 25px;
  }
  #top .plan-create__item.left {
    padding-right: 25px;
    padding-bottom: 37px;
  }
  #top .plan-create .lancers-ttl {
    margin-top: 15px;
  }
  #top .plan-create .lancers-list {
    margin-top: 25px;
  }
  #top .plan-create .lancers-list__item {
    text-align: center;
    padding: 8px 20px;
    background-color: #D9011E;
    font-size: 1.6rem;
    font-weight: 600;
    margin: 0 auto;
    margin-bottom: 20px;
    white-space: nowrap;
  }
  #top .plan-create .lancers-list__item.item01 {
    width: 100px;
  }
  #top .plan-create .lancers-list__item.item02 {
    width: 196px;
  }
  #top .plan-create .lancers-list__item.item03 {
    width: 100px;
    margin-bottom: 0;
  }
  #top .plan-create .lancers-sub {
    margin-top: 35px;
    text-align: center;
    font-size: 1.4rem;
    color: black;
    white-space: nowrap;
  }
  #top .plan-create .lancers-profile {
    margin-top: 40px;
  }
  #top .plan-create .lancers-profile img {
    margin: 20px auto 0;
    width: 60px;
  }
  #top .plan-create .languages {
    margin-top: 40px;
  }
  #top .plan-create .languages-list {
    margin: 17px auto 0;
    display: flex;
    flex-wrap: wrap;
    max-width: 500px;
  }
  #top .plan-create .languages-list__item {
    font-size: 1.6rem;
    color: black;
    margin-bottom: 5px;
  }
  #top .plan-create .languages-list__item:before {
    content: "/";
  }
  #top .plan-create .languages-list li:first-child:before {
    display: none;
  }
  #top .plan-create .enviroments {
    margin-top: 40px;
  }
  #top .plan-create .enviroments-list {
    margin: 17px auto 0;
    display: flex;
    flex-wrap: wrap;
    max-width: 500px;
  }
  #top .plan-create .enviroments-list__item {
    font-size: 1.6rem;
    color: black;
  }
  #top .plan-create .enviroments-list__item:before {
    content: "/";
  }
  #top .plan-create .enviroments-list li:first-child:before {
    display: none;
  }
  #top .plan-create .uptime-ttl {
    margin-top: 15px;
  }
  #top .plan-create .uptime-content {
    margin-top: 15px;
    color: black;
    font-size: 1.6rem;
    text-align: center;
    line-height: 1.6;
  }
  #top .plan-create .cost {
    margin-top: 55px;
    margin-bottom: 15px;
  }
  #top .plan-create .cost table {
    margin-top: 15px;
    width: 100%;
    border-collapse: collapse;
  }
  #top .plan-create .cost table thead {
    display: block;
    width: 100%;
    margin-top: 15px;
    border-bottom: 1px solid black;
  }
  #top .plan-create .cost table thead tr {
    display: block;
    width: 100%;
  }
  #top .plan-create .cost table thead tr th {
    display: block;
    margin: 0 auto;
    font-size: 1.6rem;
    font-weight: bold;
    color: black;
    padding-bottom: 10px;
    text-align: center;
  }
  #top .plan-create .cost table tbody tr {
    margin-top: 14px;
    display: flex;
    justify-content: space-between;
  }
  #top .plan-create .cost table tbody tr th {
    display: block;
    width: 120px;
    padding-top: 5px;
    padding-bottom: 5px;
    background-color: #D9011E;
    text-align: center;
    font-size: 1.5rem;
  }
  #top .plan-create .cost table tbody tr th:nth-child(2) {
    background-color: transparent;
  }
  #top .plan-create .cost table tbody tr td {
    font-size: 1.6rem;
    color: black;
  }
  #top .plan-create .cost table tbody tr td:nth-child(2) {
    text-align: end;
  }
  #top .plan-general {
    padding-top: 40px;
    padding-bottom: 32px;
  }
  #top .plan-general__list {
    margin-top: 35px;
  }
  #top .plan-general__box {
    padding-left: 15px;
    padding-right: 15px;
  }
  #top .plan-general__item {
    border-top: 1px solid black;
    padding-top: 20px;
    padding-bottom: 20px;
  }
  #top .plan-general__name {
    font-size: 1.6rem;
    color: black;
    font-weight: bold;
  }
  #top .plan-general__sub {
    margin-top: 12px;
    font-size: 1.4rem;
    color: black;
    line-height: 1.6;
    font-weight: 500;
  }
  #top .plan-general__fee {
    margin-top: 34px;
    font-size: 2.4rem;
    color: #D9011E;
    font-weight: bold;
  }
  #top .plan-cta {
    margin: 50px auto 0;
  }
}
@media screen and (min-width: 769px) {
  .work-archive {
    background-color: #172439;
  }
  .work-archive-section {
    position: relative;
  }
  .work-archive-section.music .container {
    border-top: 1px solid white;
  }
  .work-archive-section .container {
    padding-top: 70px;
    padding-bottom: 70px;
    position: relative;
  }
  .work-archive-wrapper {
    position: relative;
    overflow: hidden;
  }
  .work-archive-ttl {
    border-left: 5px solid #D9011E;
    display: inline-block;
    padding: 10px 15px;
  }
  .work-archive-ttl p {
    font-size: 3rem;
    font-weight: bold;
  }
  .work-archive-list {
    margin-top: 50px;
    display: flex;
    flex-wrap: wrap;
  }
  .work-archive-item {
    width: 32%;
    margin-left: 1%;
    margin-bottom: 50px;
  }
  .work-archive-item__thumb .visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }
  .work-archive-item__cat {
    display: flex;
    margin-top: 15px;
  }
  .work-archive-item__cat small {
    font-size: 1.6rem;
    margin-right: 20px;
    display: flex;
    align-items: center;
    color: white;
    background-color: #D9011E;
    padding: 5px 10px;
    transform: skew(-22.5deg);
    position: relative;
  }
  .work-archive-item__cat small:before {
    position: absolute;
    content: "×";
    margin-right: 15px;
    display: inline-block;
    top: 50%;
    left: -15px;
    transform: translateY(-50%);
  }
  .work-archive-item__cat small:first-child::before {
    display: none;
  }
  .work-archive-item__ttl {
    margin-top: 20px;
    font-size: 2rem;
    color: white;
    white-space: nowrap;
    /* 改行させない */
    overflow: hidden;
    /* はみ出た部分を隠す */
    text-overflow: ellipsis;
    /* 「…」で省略表示 */
  }
  .work-archive-cta {
    margin-top: 100px;
  }
}
@media screen and (max-width: 768px) {
  .work-archive {
    background-color: #172439;
  }
  .work-archive-section {
    position: relative;
  }
  .work-archive-section.music .container {
    padding-top: 0;
  }
  .work-archive-section .container {
    padding-top: 40px;
    padding-bottom: 40px;
    position: relative;
  }
  .work-archive-ttl {
    border-left: 5px solid #D9011E;
    display: inline-block;
    padding: 10px 15px;
  }
  .work-archive-ttl p {
    font-size: 2rem;
    font-weight: bold;
  }
  .work-archive-list {
    margin: 30px auto 0;
    max-width: 400px;
  }
  .work-archive-item {
    padding-bottom: 30px;
    margin-bottom: 30px;
    border-bottom: 1px solid white;
  }
  .work-archive-item__thumb .visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }
  .work-archive-item__cat {
    display: flex;
    margin-top: 15px;
    margin-left: 2%;
  }
  .work-archive-item__cat small {
    font-size: 1.4rem;
    margin-right: 22px;
    display: flex;
    align-items: center;
    color: white;
    background-color: #D9011E;
    padding: 5px 5px;
    transform: skew(-22.5deg);
    position: relative;
  }
  .work-archive-item__cat small:before {
    position: absolute;
    content: "×";
    margin-right: 15px;
    display: inline-block;
    top: 50%;
    left: -15px;
    transform: translateY(-50%);
  }
  .work-archive-item__cat small:first-child::before {
    display: none;
  }
  .work-archive-item__ttl {
    margin-top: 15px;
    font-size: 1.6rem;
    color: white;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .work-archive-cta {
    margin-top: 70px;
  }
}
@media screen and (min-width: 769px) {
  #single {
    background-color: #172439;
  }
  #single .post {
    color: #333;
    padding-top: 70px;
    padding-bottom: 70px;
  }
  #single .post .container {
    background-color: white;
    padding-top: 30px;
    padding-bottom: 30px;
  }
  #single .post h1 {
    font-size: 2.4rem;
    font-weight: bold;
    padding-left: 30px;
    padding-right: 30px;
    line-height: 1.6;
  }
  #single .post .category {
    margin-top: 20px;
    padding-left: 30px;
    padding-right: 30px;
  }
  #single .post .category-item {
    background-color: #0F1826;
    display: inline-block;
    border-radius: 1px;
    display: inline-block;
    line-height: 1;
    padding: 5px 10px;
    font-size: 1.4rem;
    color: white;
    position: relative;
  }
  #single .post .category-item:before {
    content: "×";
    position: absolute;
    top: 50%;
    left: -15px;
    color: #0F1826;
    transform: translateY(-50%);
  }
  #single .post .category li:first-child::before {
    display: none;
  }
  #single .post .content {
    margin-top: 35px;
  }
  #single .post .content > * {
    margin-left: 30px;
    margin-right: 30px;
    margin-bottom: 20px;
  }
  #single .post .content figure {
    margin-left: 0 !important;
    margin-right: 0 !important;
  }
  #single .post .content figure img {
    width: 100%;
    margin: 0 auto;
  }
  #single .post .content h2 {
    margin-top: 20px;
    margin-bottom: 50px;
    background-color: #0F1826;
    position: relative;
    padding: 8px 16px;
    border-radius: 4px;
    color: #fff;
    font-size: 21px;
    margin-left: 0 !important;
    margin-right: 0 !important;
    line-height: 1.6;
  }
  #single .post .content h2:after {
    position: absolute;
    bottom: -8px;
    left: 30px;
    content: "";
    width: 16px;
    height: 16px;
    background: inherit;
    transform: rotate(45deg);
    color: white;
  }
  #single .post .content h3 {
    padding: 6px 0 6px 12px;
    border-left: solid 4px #0F1826;
    background-color: #f4f4f4;
    font-size: 1.8rem;
    line-height: 1.6;
  }
  #single .post .content h4 {
    color: #0F1826;
    font-size: 1.7rem;
  }
  #single .post .content p {
    font-size: 1.6rem;
    line-height: 1.6;
  }
  #single .post .content a {
    font-size: 1.6rem;
    color: #1176d4;
    text-decoration: underline;
  }
  #single .post .content ul,
  #single .post .content ol {
    color: #172439;
    border: dotted #172439 1px;
    /*ドット 色 太さ*/
    padding: 0.5em 0.5em 0.5em 30px;
  }
  #single .post .content ul li,
  #single .post .content ol li {
    font-size: 1.6rem;
    line-height: 1.5;
    padding: 0.5em 10px;
    list-style: disc;
  }
  #single .post .to-archive {
    width: 300px;
    height: 60px;
    margin: 50px auto 0;
    line-height: 60px;
    background-color: #ffd814;
    color: #172439;
    text-align: center;
    font-size: 2rem;
    font-weight: bold;
    border-radius: 5px;
  }
  #single .post .to-archive:hover {
    opacity: 1;
    background-color: #172439;
    color: #ffd814;
    border: 1px solid #ffd814;
  }
}
@media screen and (max-width: 768px) {
  #single {
    background-color: #172439;
  }
  #single .post {
    color: #333;
    padding-bottom: 50px;
    display: flex;
  }
  #single .post .container {
    background-color: white;
    padding-top: 20px;
    padding-bottom: 20px;
    padding-left: 0;
    padding-right: 0;
    margin-left: 15px;
    margin-right: 15px;
    width: 100%;
  }
  #single .post h1 {
    font-size: 2rem;
    font-weight: bold;
    padding-left: 15px;
    padding-right: 15px;
    line-height: 1.6;
  }
  #single .post .category {
    margin-top: 15px;
    padding-left: 15px;
    padding-right: 15px;
  }
  #single .post .category-item {
    background-color: #0F1826;
    display: inline-block;
    border-radius: 1px;
    display: inline-block;
    line-height: 1;
    padding: 5px 10px;
    font-size: 1.2rem;
    color: white;
    position: relative;
  }
  #single .post .category-item:before {
    content: "×";
    position: absolute;
    top: 50%;
    left: -15px;
    color: #0F1826;
    transform: translateY(-50%);
  }
  #single .post .category li:first-child::before {
    display: none;
  }
  #single .post .content {
    margin-top: 25px;
  }
  #single .post .content > * {
    margin-left: 15px;
    margin-right: 15px;
    margin-bottom: 20px;
  }
  #single .post .content figure {
    margin: 0 auto;
    width: 90%;
  }
  #single .post .content figure img {
    width: 100%;
    margin: 0 auto;
  }
  #single .post .content h2 {
    width: 90%;
    margin-top: 20px;
    margin-bottom: 50px;
    background-color: #0F1826;
    position: relative;
    padding: 8px 16px;
    border-radius: 4px;
    color: #fff;
    font-size: 1.8rem;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
  }
  #single .post .content h2:after {
    position: absolute;
    bottom: -8px;
    left: 30px;
    content: "";
    width: 16px;
    height: 16px;
    background: inherit;
    transform: rotate(45deg);
    color: white;
  }
  #single .post .content h3 {
    padding: 6px 0 6px 12px;
    border-left: solid 4px #0F1826;
    background-color: #f4f4f4;
    font-size: 1.6rem;
    line-height: 1.6;
  }
  #single .post .content h4 {
    color: #0F1826;
    font-size: 1.5rem;
  }
  #single .post .content p {
    font-size: 1.4rem;
    line-height: 1.6;
  }
  #single .post .content a {
    font-size: 1.4rem;
    color: #1176d4;
    text-decoration: underline;
  }
  #single .post .content ul,
  #single .post .content ol {
    color: #172439;
    border: dotted #172439 1px;
    /*ドット 色 太さ*/
    padding: 0.5em 0.5em 0.5em 30px;
  }
  #single .post .content ul li,
  #single .post .content ol li {
    font-size: 1.4rem;
    line-height: 1.5;
    padding: 0.5em 10px;
    list-style: disc;
  }
  #single .post .to-archive {
    width: 250px;
    height: 50px;
    margin: 30px auto 0;
    line-height: 50px;
    background-color: #ffd814;
    color: #172439;
    text-align: center;
    font-size: 1.6rem;
    font-weight: bold;
    border-radius: 5px;
  }
  #single .post .to-archive:hover {
    opacity: 1;
    background-color: #172439;
    color: #ffd814;
    border: 1px solid #ffd814;
  }
}
#contact {
  padding: 80px 0;
  background-color: #172439;
}
#contact .section-ttl {
  font-weight: bold;
}
#contact .contact-form__title {
  font-size: 4.8rem;
  color: white;
  text-align: center;
  font-weight: bold;
  margin-bottom: 20px;
}
#contact .contact-form__desc {
  font-size: 1.6rem;
  color: rgba(195, 206, 224, 0.8);
  text-align: center;
  margin-bottom: 60px;
  line-height: 1.6;
}
#contact .contact-form__form {
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}
#contact .form-group {
  margin-bottom: 30px;
}
#contact .form-label {
  display: block;
  font-size: 1.6rem;
  color: white;
  font-weight: bold;
  margin-bottom: 10px;
}
#contact .required {
  color: #FF8533;
}
#contact .form-input,
#contact .form-textarea {
  width: 100%;
  padding: 15px;
  border: 1px solid rgba(195, 206, 224, 0.3);
  border-radius: 5px;
  background-color: rgba(255, 255, 255, 0.1);
  color: white;
  font-size: 1.6rem;
}
#contact .form-input::placeholder,
#contact .form-textarea::placeholder {
  color: rgba(195, 206, 224, 0.6);
}
#contact .form-input:focus,
#contact .form-textarea:focus {
  outline: none;
  border-color: #FF8533;
  background-color: rgba(255, 255, 255, 0.15);
}
#contact .form-textarea {
  resize: vertical;
  min-height: 120px;
}
#contact .form-submit {
  width: 100%;
  padding: 18px;
  background-color: #FF8533;
  color: white;
  border: none;
  border-radius: 5px;
  font-size: 1.8rem;
  font-weight: bold;
  cursor: pointer;
  transition: background-color 0.3s ease;
}
#contact .form-submit:hover {
  background-color: #e6742d;
}
#contact .form-success {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  padding: 40px;
  background-color: rgba(0, 255, 0, 0.1);
  border: 1px solid #4CAF50;
  border-radius: 5px;
}
#contact .form-success h3 {
  color: #4CAF50;
  font-size: 2.4rem;
  margin-bottom: 20px;
}
#contact .form-success p {
  color: white;
  font-size: 1.6rem;
  line-height: 1.6;
}

@media screen and (max-width: 768px) {
  #contact .contact-form {
    padding: 60px 0;
  }
  #contact .contact-form__title {
    font-size: 3.2rem;
  }
  #contact .form-input,
  #contact .form-textarea {
    padding: 12px;
    font-size: 1.4rem;
    background-color: rgb(255, 255, 255);
    color: #333;
  }
  #contact .form-input::placeholder,
  #contact .form-textarea::placeholder {
    color: #333;
  }
  #contact .form-input:focus,
  #contact .form-textarea:focus {
    background-color: rgb(255, 255, 255);
  }
  #contact .form-submit {
    padding: 15px;
    font-size: 1.6rem;
  }
}