@charset "UTF-8";
/* =============================================
    module
============================================= */
/* ---------------------------------------------
    kv
--------------------------------------------- */
.rd-article__kv-block01 {
    position: relative;
    text-align: center;
    background-color: var(--color-navy-1);
}
.rd-article__kv-block01--img img {
    width: 100%;
    height: auto;
    max-width: 1280px;
}
.rd-article__kv-block01--ttl {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    max-width: 1280px;
    padding: 0 20px;
    font-family: var(--ff-noto-serif);
    color: var(--color-white-1);
    font-size: calc(50 / var(--root-fz) * 1rem);
    font-weight: 700;
    line-height: 1.4;
}
@media not screen and (min-width: 768px)  {
    .rd-article__kv-block01--ttl {
        font-size: calc(30 / var(--root-fz) * 1rem);
    }
}

/* ---------------------------------------------
    section block
--------------------------------------------- */
.rd-article__sec-block01--wrap {
    position: relative;
    overflow: hidden;
}
.rd-article__sec-block01--wrap::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    width: 100%;
    width: 100%;
    background: url(/corporate/technology/rd/img/common/img_bg_rich.png) repeat-y center top/2600px auto;
    pointer-events: none;
}
@media screen and (max-width: 767px) {
    .rd-article__sec-block01--wrap::before {
        background-image: url(/corporate/technology/rd/img/common/sp/img_bg_rich.png);
        background-size: contain;
    }
}
.rd-article__sec-block01{
    background-color: var(--color-blue-2-2);
}
.rd-article__sec-block01:nth-child(2n){
    background-color: var(--color-navy-1);
}
.rd-article__sec-block01_inner {
    padding: 100px 20px 80px;
    margin: 0 auto;
    max-width: 1010px;
}

/* ---------------------------------------------
    template type
--------------------------------------------- */
/* blue */
.rd-article__temp-type--blue02 .rd-article__sec-block01{
    background-color: var(--color-navy-7);
}
.rd-article__temp-type--blue02 .rd-article__kv-block01,
.rd-article__temp-type--blue02 .rd-article__sec-block01:nth-child(2n){
    background-color: var(--color-navy-8);
}

.rd-article__temp-type--blue03 .rd-article__sec-block01{
    background-color: var(--color-navy-4);
}
.rd-article__temp-type--blue03 .rd-article__kv-block01,
.rd-article__temp-type--blue03 .rd-article__sec-block01:nth-child(2n){
    background-color: var(--color-navy-5);
}

.rd-article__temp-type--blue04 .rd-article__sec-block01{
    background-color: var(--color-navy-2);
}
.rd-article__temp-type--blue04 .rd-article__kv-block01,
.rd-article__temp-type--blue04 .rd-article__sec-block01:nth-child(2n){
    background-color: var(--color-navy-3);
}

.rd-article__temp-type--blue05 .rd-article__sec-block01{
    background-color: var(--color-green-3);
}
.rd-article__temp-type--blue05 .rd-article__kv-block01,
.rd-article__temp-type--blue05 .rd-article__sec-block01:nth-child(2n){
    background-color: var(--color-green-4);
}

.rd-article__temp-type--blue06 .rd-article__sec-block01{
    background-color: var(--color-navy-6);
}
.rd-article__temp-type--blue06 .rd-article__kv-block01,
.rd-article__temp-type--blue06 .rd-article__sec-block01:nth-child(2n){
    background-color: var(--color-navy-9);
}

/* purple */
.rd-article__temp-type--purple01 .rd-article__sec-block01{
    background-color: var(--color-purple-1);
}
.rd-article__temp-type--purple01 .rd-article__kv-block01,
.rd-article__temp-type--purple01 .rd-article__sec-block01:nth-child(2n){
    background-color: var(--color-purple-2);
}

.rd-article__temp-type--purple02 .rd-article__sec-block01{
    background-color: var(--color-purple-3);
}
.rd-article__temp-type--purple02 .rd-article__kv-block01,
.rd-article__temp-type--purple02 .rd-article__sec-block01:nth-child(2n){
    background-color: var(--color-purple-4);
}

.rd-article__temp-type--purple03 .rd-article__sec-block01{
    background-color: var(--color-purple-5);
}
.rd-article__temp-type--purple03 .rd-article__kv-block01,
.rd-article__temp-type--purple03 .rd-article__sec-block01:nth-child(2n){
    background-color: var(--color-purple-6);
}

/* green */
.rd-article__temp-type--green01 .rd-article__sec-block01{
    background-color: var(--color-green-5);
}
.rd-article__temp-type--green01 .rd-article__kv-block01,
.rd-article__temp-type--green01 .rd-article__sec-block01:nth-child(2n){
    background-color: var(--color-green-6);
}

.rd-article__temp-type--green02 .rd-article__sec-block01{
    background-color: var(--color-green-7);
}
.rd-article__temp-type--green02 .rd-article__kv-block01,
.rd-article__temp-type--green02 .rd-article__sec-block01:nth-child(2n){
    background-color: var(--color-green-8);
}

.rd-article__temp-type--green03 .rd-article__sec-block01{
    background-color: var(--color-green-9);
}
.rd-article__temp-type--green03 .rd-article__kv-block01,
.rd-article__temp-type--green03 .rd-article__sec-block01:nth-child(2n){
    background-color: var(--color-green-10);
}

/* black */
.rd-article__temp-type--black01 .rd-article__sec-block01,
.rd-article__temp-type--black01 .rd-article__kv-block01,
.rd-article__temp-type--black01 .rd-article__sec-block01:nth-child(2n){
    background-color: var(--color-black-1);
}

.rd-article__temp-type--black02 .rd-article__sec-block01{
    background-color: var(--color-gray-12);
}
.rd-article__temp-type--black02 .rd-article__kv-block01,
.rd-article__temp-type--black02 .rd-article__sec-block01:nth-child(2n){
    background-color: var(--color-gray-13);
}

/* white */
.rd-article__temp-type--white01 .rd-article__sec-block01{
    background-color: var(--color-white-1);
}
.rd-article__temp-type--white01 .rd-article__kv-block01,
.rd-article__temp-type--white01 .rd-article__sec-block01:nth-child(2n){
    background-color: var(--color-gray-10);
}

.rd-article__temp-type--white02 .rd-article__sec-block01{
    background-color: var(--color-gray-10);
}
.rd-article__temp-type--white02 .rd-article__kv-block01,
.rd-article__temp-type--white02 .rd-article__sec-block01:nth-child(2n){
    background-color: var(--color-gray-11);
}

/* 白背景の時のテキストカラー */
[class^="rd-article__temp-type--white"] h2,
[class^="rd-article__temp-type--white"] h3,
[class^="rd-article__temp-type--white"] p,
[class^="rd-article__temp-type--white"] li,
[class^="rd-article__temp-type--white"] a,
[class^="rd-article__temp-type--white"] a:hover,
[class^="rd-article__temp-type--white"] a:focus,
[class^="rd-article__temp-type--white"] a:visited {
    color: var(--color-black-1);
}
@media (hover: hover) and (pointer: fine) {
    .pc [class^="rd-article__temp-type--white"] .c-link-rich:hover {
        color: var(--color-black-1);
    }
}
/* 白背景の時の背景調整 */
[class^="rd-article__temp-type--white"] .rd-article__cmn-ttl-h2--type01::before,
[class^="rd-article__temp-type--white"] .rd-article__cmn-ttl-h2--type01::after {
    background-color: var(--color-black-1);
}

/* ---------------------------------------------
    title
--------------------------------------------- */
.rd-article__cmn-ttl-h2--type01 {
    position: relative;
    padding-bottom: 20px;
    text-align: left;
    color: var(--color-white-1);
    font-size: calc(40 / var(--root-fz) * 1rem);
    font-weight: 500;
    line-height: 1.5;
}
.rd-article__cmn-ttl-h2--type01::before {
    content: "";
    position: absolute;
    bottom: 0;
    right: 20%;
    width: 100vw;
    height: 2px;
    background-color: var(--color-white-1);
    opacity: 0.3;
}
.rd-article__cmn-ttl-h2--type01::after {
    content: "";
    position: absolute;
    bottom: 0;
    right: 20%;
    width: 8px;
    height: 8px;
    background-color: var(--color-white-1);
    opacity: 0.3;
    border-radius: 50%;
    transform: translate(100%, 35%);
}
@media not screen and (min-width: 768px) {
    .rd-article__cmn-ttl-h2--type01 {
        font-size: calc(30 / var(--root-fz) * 1rem);
        font-weight: 700;
        letter-spacing: 3px;
    }
}

.rd-article__cmn-ttl-h3--type01{
    position: relative;
    padding-left: 1em;
    margin-top: 60px;
    color: var(--color-white-1);
    font-size: calc(28 / var(--root-fz) * 1rem);
    font-weight: 500;
    line-height: 1.5;
}
.rd-article__cmn-ttl-h3--type01::before {
    content: "\30FB";
    display: inline-block;
    position: absolute;
    top: 0;
    left: 0;
    font-size: 1em;
}

.rd-article__cmn-ttl-h3--type02 {
    margin-top: 60px;
    color: var(--color-white-1);
    font-size: calc(28 / var(--root-fz) * 1rem);
    font-weight: 500;
    line-height: 1.5;
}

@media screen and (max-width: 767px) {
    .rd-article__cmn-ttl-h3--type01,
    .rd-article__cmn-ttl-h3--type02 {
        font-size: calc(20 / var(--root-fz) * 1rem);
        font-weight: 700;
        letter-spacing: 2px;
    }
}

/* ---------------------------------------------
    rd-article__card
--------------------------------------------- */
.rd-article__cmn-ttl--border-center {
    color: #fff;
    text-align: center;
    font-size: calc(32 / var(--root-fz) * 1rem);
    font-weight: 500;
}
.rd-article__bg-white .rd-article__cmn-ttl--border-center {
    color: var(--color-base-1);
}
.rd-article__cmn-ttl--border-center span {
    display: inline-block;
    padding-bottom: 10px;
    border-bottom: 1px solid #fff;
}
.rd-article__bg-white .rd-article__cmn-ttl--border-center span {
    border-color: var(--color-base-1);
}
.rd-article__card a {
    display: block;
    position: relative;
    padding: 0 25px;
    text-decoration: none;
    color: #fff;
}
.rd-article__bg-white .rd-article__card a {
    color: var(--color-base-1);
}
.rd-article__card-image {
    border-radius: 10px;
    overflow: hidden;
}
.rd-article__card-image img{
    width: 100%;
}
.rd-article__card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.rd-article__card-date {
    font-size: calc(15 / var(--root-fz) * 1rem);
    line-height: 1;
}
.rd-article__card-title {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
    font-weight: bold;
    font-size: calc(20 / var(--root-fz) * 1rem);
    line-height: 1.4;
    margin: 0;
    flex: 1;
    font-family: var(--ff-noto-serif);
}
.rd-article__card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0 10px;
}
.rd-article__card-tag {
    font-weight: 500;
    font-size: calc(12 / var(--root-fz) * 1rem);
    line-height: 1.5;
}
@media print, screen and (min-width: 768px) {
    .rd-article__bg-white{
        padding-top: 80px;
    }
    .rd-article__card a:hover {
        opacity: .7;
    }
    .rd-article__cards {
        display: flex;
        flex-wrap: wrap;
        margin-top: 40px;
    }
    .rd-article__card {
        width: calc(100% / 3);
        border-right: 1px solid #fff;
    }
    .rd-article__bg-white .rd-article__card {
        border-color: var(--color-base-1);
    }
    .rd-article__card:last-of-type {
        border-right: none;
    }
    .rd-article__card-content {
        margin-top: 20px;
    }
}
@media screen and (max-width: 767px) {
    .rd-article__bg-white{
        padding-top: 60px;
    }
    .rd-article__cmn-ttl--border-center {
        font-size: calc(20 / var(--root-fz) * 1rem);
    }
    .rd-article__cards {
        margin-top: 30px;
    }
    .rd-article__card {
        width: 100%;
        border-top: 1px solid #fff;
    }
    .rd-article__bg-white .rd-article__card {
        border-color: var(--color-base-1);
    }
    .rd-article__card:first-of-type {
        border-top: none;
    }
    .rd-article__card a {
        display: flex;
        gap: 10px;
        padding: 20px 0;
    }
    .rd-article__card:first-of-type a {
        padding-top: 0;
    }
    .rd-article__card:last-of-type a{
        padding-bottom: 0;
    }
    .rd-article__card-image {
        width: 140px;
        border-radius: 0;
    }
    .rd-article__card-date {
        font-size: calc(10 / var(--root-fz) * 1rem);
    }
    .rd-article__card-title {
        font-size: calc(12 / var(--root-fz) * 1rem);
    }
    .rd-article__card-tags {
        display: flex;
        flex-wrap: wrap;
    }
    .rd-article__card-tag {
        font-size: calc(10 / var(--root-fz) * 1rem);
    }
}

/* ---------------------------------------------
    rd-cmn__contact-section
--------------------------------------------- */
.rd-cmn__contact-section {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: end;
    width: 100%;
    min-width: 960px;
    position: relative;
    text-decoration: none;
}
.rd-cmn__contact-section:hover {
    background-size: 120%;
}
.rd-cmn__contact-container{
    position: relative;
    width: 100%;
    margin: 0 auto;
    padding: 8.0rem 2.4rem;
    overflow: hidden;
}
@media screen and (max-width: 768px) {
    .rd-cmn__contact-section {
        min-width: auto;
        background: url(/corporate/technology/rd/img/top/img_contact_bg_smt.png);
    }
    .rd-cmn__contact-container {
        padding: 60px 2.0rem;
        width: 100%;
    }
}
.rd-cmn__contact-container::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    display: block;
    width: 100%;
    height: 100%;
    background: url(/corporate/technology/rd/img/top/img_contact_bg_pc.png);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    text-decoration: none;
    transform: scale(1);
    transition: all 0.3s ease;
}
.rd-cmn__contact-container:hover:before {
    transform: scale(1.02);
}
@media screen and (max-width: 768px) {
    .rd-cmn__contact-container::before {
        background: url(/corporate/technology/rd/img/top/img_contact_bg_smt.png);
    }
}
.rd-cmn__contact-container::after {
    --s: 88px;
    content: "";
    position: absolute;
    bottom: 0;
    right: 0;
    width: var(--s);
    height: var(--s);
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #14134f;
    background-image: url(/corporate/technology/rd/img/top/ico_arrow_w.svg);
    background-size: 50%;
    background-position: center;
    background-repeat: no-repeat;
}
@media screen and (max-width: 768px) {
    .rd-cmn__contact-container::after {
        --s: 42px;
        right: 0;
    }
}
.rd-cmn__contact {
    position: relative;
    --ttl-w: 300px;
    display: flex;
    width: 742px;
    margin: 0 auto;
}
@media screen and (max-width: 768px) {
.rd-cmn__contact {
    --ttl-w: 50%;
    width: 100%;
}
}
.rd-cmn__contact__title_area {
    width:  var(--ttl-w);
}
.rd-cmn__contact__text {
    position: relative;
    top: -6px;
    right: -50px;
    display: flex;
    justify-content: center;
    align-items: center;
    width: calc(100% - var(--ttl-w));
}
@media screen and (max-width: 768px) {
    .rd-cmn__contact__text {
        top: 0;
        left: 10px;
        right: 0;
        width: auto;
    }
}
.rd-cmn__contact__text p {
    display: block;
    padding: 10px;
    color: #fff;
    font-size: 2.4rem;
    background-color: #14134F;
}
@media screen and (max-width: 768px) {
    .rd-cmn__contact__text p {
        padding: 3px 3px;
        font-size: 1.2rem!important;
    }
}
@media screen and (max-width: 768px) {
    .rd-cmn__contact__title img {
        width: 88%;
    }
}


.rd-cv-btn {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 352px;
    overflow: hidden;
    margin: 0 auto;
    border-radius: 100vw;
    transition: all 0.5s ease;
    text-decoration: none;
}
@media screen and (max-width: 768px) {
    .rd-cv-btn {
        width: min(59vw, 100%);
    }
}
.rd-cv-btn::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    display: block;
    width: 380%;
    height: 100%;
    background: linear-gradient(90deg, #86F3FF 0%, #FFF 12.5%, #FF94B5 25%, #FFF 37.5%, #86F3FF 50%, #FFF 62.5%, #FF94B5 75%, #FFF 87.5%, #86F3FF 100%);
    z-index: 0;
    animation-name: loop;
    animation-duration: 4s;
    animation-iteration-count: infinite;
    animation-timing-function: linear;
}
.rd-cv-btn span {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    margin: 3px;
    padding: 22px 22px;
    color: #fff;
    font-size: 1.6rem;
    background-color: #14134f;
    border-radius: 100vw;
    z-index: 1;
    transition: all 0.5s ease;
}
@media screen and (max-width: 768px) {
    .rd-cv-btn span {
        padding: 14px 22px;
        font-size: 1.2rem;
    }
}

/**
* 各背景色対応
*/
/* 背景色 */
.rd-article__utl-bg--base-1 .rd-cv-btn span {
    background-color: #333;
}
.rd-article__utl-bg--black-1 .rd-cv-btn span {
    background-color: #000;
}
.rd-article__utl-bg--black-2 .rd-cv-btn span {
    background-color: #111;
}
.rd-article__utl-bg--black-3 .rd-cv-btn span {
    background-color: #1F1F39;
}
.rd-article__utl-bg--black-4 .rd-cv-btn span {
    background-color: #001020;
}
.rd-article__utl-bg--black-5 .rd-cv-btn span {
    background-color: #1A1A1A;
}
.rd-article__utl-bg--black-6 .rd-cv-btn span {
    background-color: #2E2621;
}
.rd-article__utl-bg--white-1 .rd-cv-btn span {
    background-color: #fff;
}
.rd-article__utl-bg--white-2 .rd-cv-btn span {
    background-color: #fefefe;
}
.rd-article__utl-bg--white-3 .rd-cv-btn span {
    background-color: #F2F2F2;
}
.rd-article__utl-bg--white-4 .rd-cv-btn span {
    background-color: #FFFAFF;
}
.rd-article__utl-bg--blue-1 .rd-cv-btn span {
    background-color: #002563;
}
.rd-article__utl-bg--blue-2 .rd-cv-btn span {
    background-color: #001A47;
}
.rd-article__utl-bg--blue-2-1 .rd-cv-btn span {
    background-color: #EDF0F4;
}
.rd-article__utl-bg--blue-2-2 .rd-cv-btn span {
    background-color: #00266A;
}
.rd-article__utl-bg--blue-3 .rd-cv-btn span {
    background-color: #E9FDFF;
}
.rd-article__utl-bg--blue-4 .rd-cv-btn span {
    background-color: #DCECFF;
}
.rd-article__utl-bg--blue-5 .rd-cv-btn span {
    background-color: #206AC4;
}
.rd-article__utl-bg--blue-6 .rd-cv-btn span {
    background-color: #CED4E0;
}
.rd-article__utl-bg--blue-7 .rd-cv-btn span {
    background-color: #D1EDFF;
}
.rd-article__utl-bg--blue-8 .rd-cv-btn span {
    background-color: #0E1731;
}
.rd-article__utl-bg--blue-9 .rd-cv-btn span {
    background-color: #093475;
}
.rd-article__utl-bg--gray-1 .rd-cv-btn span {
    background-color: #B8B5B4;
}
.rd-article__utl-bg--gray-2 .rd-cv-btn span {
    background-color: #757575;
}
.rd-article__utl-bg--gray-2-1 .rd-cv-btn span {
    background-color: #D0D0D0;
}
.rd-article__utl-bg--gray-2-2 .rd-cv-btn span {
    background-color: #F4F4F4;
}
.rd-article__utl-bg--gray-3 .rd-cv-btn span {
    background-color: #D9D9D9;
}
.rd-article__utl-bg--gray-4 .rd-cv-btn span {
    background-color: #919191;
}
.rd-article__utl-bg--gray-5 .rd-cv-btn span {
    background-color: #B7B7B7;
}
.rd-article__utl-bg--gray-6 .rd-cv-btn span {
    background-color: #F0F0F0;
}
.rd-article__utl-bg--gray-7 .rd-cv-btn span {
    background-color: #B4B4B4;
}
.rd-article__utl-bg--gray-8 .rd-cv-btn span {
    background-color: #F8F8F8;
}
.rd-article__utl-bg--gray-9 .rd-cv-btn span {
    background-color: #787878;
}
.rd-article__utl-bg--gray-10 .rd-cv-btn span {
    background-color: #EDEDED;
}
.rd-article__utl-bg--gray-11 .rd-cv-btn span {
    background-color: #DEDEDE;
}
.rd-article__utl-bg--gray-12 .rd-cv-btn span {
    background-color: #4E4E4E;
}
.rd-article__utl-bg--gray-13 .rd-cv-btn span {
    background-color: #2B2B2B;
}
.rd-article__utl-bg--red-1 .rd-cv-btn span {
    background-color: #D00F31;
}
.rd-article__utl-bg--red-2 .rd-cv-btn span {
    background-color: #CC0033;
}
.rd-article__utl-bg--red-3 .rd-cv-btn span {
    background-color: #8F0607;
}
.rd-article__utl-bg--red-4 .rd-cv-btn span {
    background-color: #CC0133;
}
.rd-article__utl-bg--pink-1 .rd-cv-btn span {
    background-color: #FFF3F3;
}
.rd-article__utl-bg--pink-2 .rd-cv-btn span {
    background-color: #FFF4F4;
}
.rd-article__utl-bg--pink-3 .rd-cv-btn span {
    background-color: #FFE9EA;
}
.rd-article__utl-bg--pink-4 .rd-cv-btn span {
    background-color: #D47A7A;
}
.rd-article__utl-bg--green-1 .rd-cv-btn span {
    background-color: #F1F9F3;
}
.rd-article__utl-bg--green-2 .rd-cv-btn span {
    background-color: #0C762C;
}
.rd-article__utl-bg--green-3 .rd-cv-btn span {
    background-color: #1E2D2E;
}
.rd-article__utl-bg--green-4 .rd-cv-btn span {
    background-color: #171B1C;
}
.rd-article__utl-bg--green-5 .rd-cv-btn span {
    background-color: #054E3E;
}
.rd-article__utl-bg--green-6 .rd-cv-btn span {
    background-color: #0F251F;
}
.rd-article__utl-bg--green-7 .rd-cv-btn span {
    background-color: #306544;
}
.rd-article__utl-bg--green-8 .rd-cv-btn span {
    background-color: #1B3B27;
}
.rd-article__utl-bg--green-9 .rd-cv-btn span {
    background-color: #006D55;
}
.rd-article__utl-bg--green-10 .rd-cv-btn span {
    background-color: #024B3B;
}
.rd-article__utl-bg--orange-1 .rd-cv-btn span {
    background-color: #FFF0DF;
}
.rd-article__utl-bg--orange-2 .rd-cv-btn span {
    background-color: #DE5D00;
}
.rd-article__utl-bg--navy-1 .rd-cv-btn span {
    background-color: #0F1C31;
}
.rd-article__utl-bg--navy-2 .rd-cv-btn span {
    background-color: #100D27;
}
.rd-article__utl-bg--navy-3 .rd-cv-btn span {
    background-color: #030414;
}
.rd-article__utl-bg--navy-4 .rd-cv-btn span {
    background-color: #2c4766;
}
.rd-article__utl-bg--navy-5 .rd-cv-btn span {
    background-color: #1a2b3d;
}
.rd-article__utl-bg--navy-6 .rd-cv-btn span {
    background-color: #004a5c;
}
.rd-article__utl-bg--navy-7 .rd-cv-btn span {
    background-color: #1b3562;
}
.rd-article__utl-bg--navy-8 .rd-cv-btn span {
    background-color: #112443;
}
.rd-article__utl-bg--navy-9 .rd-cv-btn span {
    background-color: #0f2328;
}
.rd-article__utl-bg--purple-1 .rd-cv-btn span {
    background-color: #442A56;
}
.rd-article__utl-bg--purple-2 .rd-cv-btn span {
    background-color: #1E0B2B;
}
.rd-article__utl-bg--purple-3 .rd-cv-btn span {
    background-color: #483A65;
}
.rd-article__utl-bg--purple-4 .rd-cv-btn span {
    background-color: #2B1A4C;
}
.rd-article__utl-bg--purple-5 .rd-cv-btn span {
    background-color: #583054;
}
.rd-article__utl-bg--purple-6 .rd-cv-btn span {
    background-color: #3B1E3C;
}

/* 文字色 */
.rd-article__utl-bg--white-1 .rd-cv-btn span,
.rd-article__utl-bg--white-2 .rd-cv-btn span,
.rd-article__utl-bg--white-3 .rd-cv-btn span,
.rd-article__utl-bg--white-4 .rd-cv-btn span,
.rd-article__utl-bg--blue-3 .rd-cv-btn span,
.rd-article__utl-bg--blue-4 .rd-cv-btn span,
.rd-article__utl-bg--blue-7 .rd-cv-btn span,
.rd-article__utl-bg--gray-2-2 .rd-cv-btn span,
.rd-article__utl-bg--gray-3 .rd-cv-btn span,
.rd-article__utl-bg--gray-5 .rd-cv-btn span,
.rd-article__utl-bg--gray-6 .rd-cv-btn span,
.rd-article__utl-bg--gray-8 .rd-cv-btn span,
.rd-article__utl-bg--gray-10 .rd-cv-btn span,
.rd-article__utl-bg--gray-11 .rd-cv-btn span,
.rd-article__utl-bg--pink-1 .rd-cv-btn span,
.rd-article__utl-bg--pink-2 .rd-cv-btn span,
.rd-article__utl-bg--pink-3 .rd-cv-btn span,
.rd-article__utl-bg--green-1 .rd-cv-btn span,
.rd-article__utl-bg--orange-1 .rd-cv-btn span,
.rd-article__utl-bg--blue-2-1 .rd-cv-btn span,
.rd-article__utl-bg--gray-2-1 .rd-cv-btn span,
.rd-article__utl-bg--gray-7 .rd-cv-btn span,
.rd-article__utl-bg--blue-6 .rd-cv-btn span,
.rd-article__utl-bg--orange-2 .rd-cv-btn span {
    color: #000;
}
.rd-article__utl-bg--base-1 .rd-cv-btn span,
.rd-article__utl-bg--black-1 .rd-cv-btn span,
.rd-article__utl-bg--black-2 .rd-cv-btn span,
.rd-article__utl-bg--black-3 .rd-cv-btn span,
.rd-article__utl-bg--black-4 .rd-cv-btn span,
.rd-article__utl-bg--black-5 .rd-cv-btn span,
.rd-article__utl-bg--black-6 .rd-cv-btn span,
.rd-article__utl-bg--blue-1 .rd-cv-btn span,
.rd-article__utl-bg--blue-2 .rd-cv-btn span,
.rd-article__utl-bg--blue-2-2 .rd-cv-btn span,
.rd-article__utl-bg--blue-5 .rd-cv-btn span,
.rd-article__utl-bg--blue-8 .rd-cv-btn span,
.rd-article__utl-bg--blue-9 .rd-cv-btn span,
.rd-article__utl-bg--gray-1 .rd-cv-btn span,
.rd-article__utl-bg--gray-2 .rd-cv-btn span,
.rd-article__utl-bg--gray-4 .rd-cv-btn span,
.rd-article__utl-bg--gray-9 .rd-cv-btn span,
.rd-article__utl-bg--gray-12 .rd-cv-btn span,
.rd-article__utl-bg--gray-13 .rd-cv-btn span,
.rd-article__utl-bg--red-1 .rd-cv-btn span,
.rd-article__utl-bg--red-2 .rd-cv-btn span,
.rd-article__utl-bg--red-3 .rd-cv-btn span,
.rd-article__utl-bg--red-4 .rd-cv-btn span,
.rd-article__utl-bg--pink-4 .rd-cv-btn span,
.rd-article__utl-bg--green-2 .rd-cv-btn span,
.rd-article__utl-bg--green-3 .rd-cv-btn span,
.rd-article__utl-bg--green-4 .rd-cv-btn span,
.rd-article__utl-bg--green-5 .rd-cv-btn span,
.rd-article__utl-bg--green-6 .rd-cv-btn span,
.rd-article__utl-bg--green-7 .rd-cv-btn span,
.rd-article__utl-bg--green-8 .rd-cv-btn span,
.rd-article__utl-bg--green-9 .rd-cv-btn span,
.rd-article__utl-bg--green-10 .rd-cv-btn span,
.rd-article__utl-bg--navy-1 .rd-cv-btn span,
.rd-article__utl-bg--navy-2 .rd-cv-btn span,
.rd-article__utl-bg--navy-3 .rd-cv-btn span,
.rd-article__utl-bg--navy-4 .rd-cv-btn span,
.rd-article__utl-bg--navy-5 .rd-cv-btn span,
.rd-article__utl-bg--navy-6 .rd-cv-btn span,
.rd-article__utl-bg--navy-7 .rd-cv-btn span,
.rd-article__utl-bg--navy-8 .rd-cv-btn span,
.rd-article__utl-bg--navy-9 .rd-cv-btn span,
.rd-article__utl-bg--purple-1 .rd-cv-btn span,
.rd-article__utl-bg--purple-2 .rd-cv-btn span,
.rd-article__utl-bg--purple-3 .rd-cv-btn span,
.rd-article__utl-bg--purple-4 .rd-cv-btn span,
.rd-article__utl-bg--purple-5 .rd-cv-btn span,
.rd-article__utl-bg--purple-6 .rd-cv-btn span {
    color: #fff;
}
/* 矢印色 */
.rd-article__utl-bg--white-1 .rd-cv-btn span::after,
.rd-article__utl-bg--white-2 .rd-cv-btn span::after,
.rd-article__utl-bg--white-3 .rd-cv-btn span::after,
.rd-article__utl-bg--white-4 .rd-cv-btn span::after,
.rd-article__utl-bg--blue-3 .rd-cv-btn span::after,
.rd-article__utl-bg--blue-4 .rd-cv-btn span::after,
.rd-article__utl-bg--blue-7 .rd-cv-btn span::after,
.rd-article__utl-bg--gray-2-2 .rd-cv-btn span::after,
.rd-article__utl-bg--gray-3 .rd-cv-btn span::after,
.rd-article__utl-bg--gray-5 .rd-cv-btn span::after,
.rd-article__utl-bg--gray-6 .rd-cv-btn span::after,
.rd-article__utl-bg--gray-8 .rd-cv-btn span::after,
.rd-article__utl-bg--gray-10 .rd-cv-btn span::after,
.rd-article__utl-bg--gray-11 .rd-cv-btn span::after,
.rd-article__utl-bg--pink-1 .rd-cv-btn span::after,
.rd-article__utl-bg--pink-2 .rd-cv-btn span::after,
.rd-article__utl-bg--pink-3 .rd-cv-btn span::after,
.rd-article__utl-bg--green-1 .rd-cv-btn span::after,
.rd-article__utl-bg--orange-1 .rd-cv-btn span::after,
.rd-article__utl-bg--blue-6 .rd-cv-btn span::after,
.rd-article__utl-bg--gray-2-1 .rd-cv-btn span::after,
.rd-article__utl-bg--gray-7 .rd-cv-btn span::after,
.rd-article__utl-bg--blue-2-1 .rd-cv-btn span::after,
.rd-article__utl-bg--orange-2 .rd-cv-btn span::after {
    background: url("/corporate/technology/rd/img/top/ico_arrow_b.svg");
    background-size: contain;
}
.rd-article__utl-bg--base-1 .rd-cv-btn span::after,
.rd-article__utl-bg--black-1 .rd-cv-btn span::after,
.rd-article__utl-bg--black-2 .rd-cv-btn span::after,
.rd-article__utl-bg--black-3 .rd-cv-btn span::after,
.rd-article__utl-bg--black-4 .rd-cv-btn span::after,
.rd-article__utl-bg--black-5 .rd-cv-btn span::after,
.rd-article__utl-bg--black-6 .rd-cv-btn span::after,
.rd-article__utl-bg--blue-1 .rd-cv-btn span::after,
.rd-article__utl-bg--blue-2 .rd-cv-btn span::after,
.rd-article__utl-bg--blue-2-2 .rd-cv-btn span::after,
.rd-article__utl-bg--blue-5 .rd-cv-btn span::after,
.rd-article__utl-bg--blue-8 .rd-cv-btn span::after,
.rd-article__utl-bg--blue-9 .rd-cv-btn span::after,
.rd-article__utl-bg--gray-1 .rd-cv-btn span::after,
.rd-article__utl-bg--gray-2 .rd-cv-btn span::after,
.rd-article__utl-bg--gray-4 .rd-cv-btn span::after,
.rd-article__utl-bg--gray-9 .rd-cv-btn span::after,
.rd-article__utl-bg--gray-12 .rd-cv-btn span::after,
.rd-article__utl-bg--gray-13 .rd-cv-btn span::after,
.rd-article__utl-bg--red-1 .rd-cv-btn span::after,
.rd-article__utl-bg--red-2 .rd-cv-btn span::after,
.rd-article__utl-bg--red-3 .rd-cv-btn span::after,
.rd-article__utl-bg--red-4 .rd-cv-btn span::after,
.rd-article__utl-bg--pink-4 .rd-cv-btn span::after,
.rd-article__utl-bg--green-2 .rd-cv-btn span::after,
.rd-article__utl-bg--green-3 .rd-cv-btn span::after,
.rd-article__utl-bg--green-4 .rd-cv-btn span::after,
.rd-article__utl-bg--green-5 .rd-cv-btn span::after,
.rd-article__utl-bg--green-6 .rd-cv-btn span::after,
.rd-article__utl-bg--green-7 .rd-cv-btn span::after,
.rd-article__utl-bg--green-8 .rd-cv-btn span::after,
.rd-article__utl-bg--green-9 .rd-cv-btn span::after,
.rd-article__utl-bg--green-10 .rd-cv-btn span::after,
.rd-article__utl-bg--navy-1 .rd-cv-btn span::after,
.rd-article__utl-bg--navy-2 .rd-cv-btn span::after,
.rd-article__utl-bg--navy-3 .rd-cv-btn span::after,
.rd-article__utl-bg--navy-4 .rd-cv-btn span::after,
.rd-article__utl-bg--navy-5 .rd-cv-btn span::after,
.rd-article__utl-bg--navy-6 .rd-cv-btn span::after,
.rd-article__utl-bg--navy-7 .rd-cv-btn span::after,
.rd-article__utl-bg--navy-8 .rd-cv-btn span::after,
.rd-article__utl-bg--navy-9 .rd-cv-btn span::after,
.rd-article__utl-bg--purple-1 .rd-cv-btn span::after,
.rd-article__utl-bg--purple-2 .rd-cv-btn span::after,
.rd-article__utl-bg--purple-3 .rd-cv-btn span::after,
.rd-article__utl-bg--purple-4 .rd-cv-btn span::after,
.rd-article__utl-bg--purple-5 .rd-cv-btn span::after,
.rd-article__utl-bg--purple-6 .rd-cv-btn span::after {
    background: url("/corporate/technology/rd/img/top/ico_arrow_w.svg");
    background-size: contain;
}

.rd-cv-btn span::after {
    --s: 20px;
    content: "";
    display: inline-block;
    width: var(--s);
    height: var(--s);
    margin-left: 0.7em;
    background: url("/corporate/technology/rd/img/top/ico_arrow_w.svg");
    background-size: contain;
    background-repeat: no-repeat;
    transition: all 0.5s ease;
}
@media screen and (max-width: 768px) {
    .rd-cv-btn span::after {
        --s: 10px;
        margin-left: 1.2em;
        background-size: contain;
    }
}
.rd-cv-btn.bg-b-white span {
    background-color: #fff;
    color: #000;
}
.rd-cv-btn.bg-b-white span::after {
    background: url("/corporate/technology/rd/img/top/ico_arrow_b.svg");
    background-size: contain;
}
.rd-cv-btn.bg-b-black span {
    background-color: #000;
    color: #fff;
}
.rd-cv-btn.bg-b-black span::after {
    background: url("/corporate/technology/rd/img/top/ico_arrow_w.svg");
    background-size: contain;
}
.rd-cv-btn:hover span, .rd-cv-btn.is-looking span {
    background-color: transparent!important;
    color: #000;
}
.rd-cv-btn:hover span::after, .rd-cv-btn.is-looking span::after {
    background: url("/corporate/technology/rd/img/top/ico_arrow_b.svg");
    background-size: contain;
}

/* =============================================
    utility
============================================= */
/* ---------------------------------------------
    background-color
--------------------------------------------- */
/* base colors */
.rd-article__utl-bg--base-1{
    background-color: var(--color-base-1) !important;
}

/* black colors */
.rd-article__utl-bg--black-1{
    background-color: var(--color-black-1) !important;
}
.rd-article__utl-bg--black-2{
    background-color: var(--color-black-2) !important;
}
.rd-article__utl-bg--black-3{
    background-color: var(--color-black-3) !important;
}
.rd-article__utl-bg--black-4{
    background-color: var(--color-black-4) !important;
}
.rd-article__utl-bg--black-5{
    background-color: var(--color-black-5) !important;
}
.rd-article__utl-bg--black-6{
    background-color: var(--color-black-6) !important;
}

/* white colors */
.rd-article__utl-bg--white-1{
    background-color: var(--color-white-1) !important;
}
.rd-article__utl-bg--white-2{
    background-color: var(--color-white-2) !important;
}
.rd-article__utl-bg--white-3{
    background-color: var(--color-white-3) !important;
}
.rd-article__utl-bg--white-4{
    background-color: var(--color-white-4) !important;
}

/* blue colors */
.rd-article__utl-bg--blue-1{
    background-color: var(--color-blue-1) !important;
}
.rd-article__utl-bg--blue-2{
    background-color: var(--color-blue-2) !important;
}
.rd-article__utl-bg--blue-2-1{
    background-color: var(--color-blue-2-1) !important;
}
.rd-article__utl-bg--blue-2-2{
    background-color: var(--color-blue-2-2) !important;
}
.rd-article__utl-bg--blue-3{
    background-color: var(--color-blue-3) !important;
}
.rd-article__utl-bg--blue-4{
    background-color: var(--color-blue-4) !important;
}
.rd-article__utl-bg--blue-5{
    background-color: var(--color-blue-5) !important;
}
.rd-article__utl-bg--blue-6{
    background-color: var(--color-blue-6) !important;
}
.rd-article__utl-bg--blue-7{
    background-color: var(--color-blue-7) !important;
}
.rd-article__utl-bg--blue-8{
    background-color: var(--color-blue-8) !important;
}
.rd-article__utl-bg--blue-9{
    background-color: var(--color-blue-9) !important;
}

/* gray colors */
.rd-article__utl-bg--gray-1{
    background-color: var(--color-gray-1) !important;
}
.rd-article__utl-bg--gray-2{
    background-color: var(--color-gray-2) !important;
}
.rd-article__utl-bg--gray-2-1{
    background-color: var(--color-gray-2-1) !important;
}
.rd-article__utl-bg--gray-2-2{
    background-color: var(--color-gray-2-2) !important;
}
.rd-article__utl-bg--gray-3{
    background-color: var(--color-gray-3) !important;
}
.rd-article__utl-bg--gray-4{
    background-color: var(--color-gray-4) !important;
}
.rd-article__utl-bg--gray-5{
    background-color: var(--color-gray-5) !important;
}
.rd-article__utl-bg--gray-6{
    background-color: var(--color-gray-6) !important;
}
.rd-article__utl-bg--gray-7{
    background-color: var(--color-gray-7) !important;
}
.rd-article__utl-bg--gray-8{
    background-color: var(--color-gray-8) !important;
}
.rd-article__utl-bg--gray-9{
    background-color: var(--color-gray-9) !important;
}
.rd-article__utl-bg--gray-10{
    background-color: var(--color-gray-10) !important;
}
.rd-article__utl-bg--gray-11{
    background-color: var(--color-gray-11) !important;
}
.rd-article__utl-bg--gray-12{
    background-color: var(--color-gray-12) !important;
}
.rd-article__utl-bg--gray-13{
    background-color: var(--color-gray-13) !important;
}

/* red colors */
.rd-article__utl-bg--red-1{
    background-color: var(--color-red-1) !important;
}
.rd-article__utl-bg--red-2{
    background-color: var(--color-red-2) !important;
}
.rd-article__utl-bg--red-3{
    background-color: var(--color-red-3) !important;
}
.rd-article__utl-bg--red-4{
    background-color: var(--color-red-4) !important;
}

/* pink colors */
.rd-article__utl-bg--pink-1{
    background-color: var(--color-pink-1) !important;
}
.rd-article__utl-bg--pink-2{
    background-color: var(--color-pink-2) !important;
}
.rd-article__utl-bg--pink-3{
    background-color: var(--color-pink-3) !important;
}
.rd-article__utl-bg--pink-4{
    background-color: var(--color-pink-4) !important;
}

/* green colors */
.rd-article__utl-bg--green-1{
    background-color: var(--color-green-1) !important;
}
.rd-article__utl-bg--green-2{
    background-color: var(--color-green-2) !important;
}
.rd-article__utl-bg--green-3{
    background-color: var(--color-green-3) !important;
}
.rd-article__utl-bg--green-4{
    background-color: var(--color-green-4) !important;
}
.rd-article__utl-bg--green-5{
    background-color: var(--color-green-5) !important;
}
.rd-article__utl-bg--green-6{
    background-color: var(--color-green-6) !important;
}
.rd-article__utl-bg--green-7{
    background-color: var(--color-green-7) !important;
}
.rd-article__utl-bg--green-8{
    background-color: var(--color-green-8) !important;
}
.rd-article__utl-bg--green-9{
    background-color: var(--color-green-9) !important;
}
.rd-article__utl-bg--green-10{
    background-color: var(--color-green-10) !important;
}

/* orange colors */
.rd-article__utl-bg--orange-1{
    background-color: var(--color-orange-1) !important;
}
.rd-article__utl-bg--orange-2{
    background-color: var(--color-orange-2) !important;
}

/* navy colors */
.rd-article__utl-bg--navy-1{
    background-color: var(--color-navy-1) !important;
}
.rd-article__utl-bg--navy-2{
    background-color: var(--color-navy-2) !important;
}
.rd-article__utl-bg--navy-3{
    background-color: var(--color-navy-3) !important;
}
.rd-article__utl-bg--navy-4{
    background-color: var(--color-navy-4) !important;
}
.rd-article__utl-bg--navy-5{
    background-color: var(--color-navy-5) !important;
}
.rd-article__utl-bg--navy-6{
    background-color: var(--color-navy-6) !important;
}
.rd-article__utl-bg--navy-7{
    background-color: var(--color-navy-7) !important;
}
.rd-article__utl-bg--navy-8{
    background-color: var(--color-navy-8) !important;
}
.rd-article__utl-bg--navy-9{
    background-color: var(--color-navy-9) !important;
}

/* purple colors */
.rd-article__utl-bg--purple-1{
    background-color: var(--color-purple-1) !important;
}
.rd-article__utl-bg--purple-2{
    background-color: var(--color-purple-2) !important;
}
.rd-article__utl-bg--purple-3{
    background-color: var(--color-purple-3) !important;
}
.rd-article__utl-bg--purple-4{
    background-color: var(--color-purple-4) !important;
}
.rd-article__utl-bg--purple-5{
    background-color: var(--color-purple-5) !important;
}
.rd-article__utl-bg--purple-6{
    background-color: var(--color-purple-6) !important;
}

/* ---------------------------------------------
    shadow
--------------------------------------------- */
/* black */
.rd-article__utl-txt-shadow--black-1{
    text-shadow: 0px 4px 4px var(--color-black-1) !important;
}

/* white */
.rd-article__utl-txt-shadow--white-1{
    text-shadow: 0px 4px 4px var(--color-white-1) !important;
}

/* ---------------------------------------------
    font-color
--------------------------------------------- */
/* black */
.rd-article__utl-fc--black-1{
    color: var(--color-black-1) !important;
}

/* white */
.rd-article__utl-fc--white-1{
    color: var(--color-white-1) !important;
}


/* ---------------------------------------------
    font-size
--------------------------------------------- */
.rd-article__utl-fz--12{
    font-size: calc(12 / var(--root-fz) * 1rem) !important;
}
.rd-article__utl-fz--16{
    font-size: calc(16 / var(--root-fz) * 1rem) !important;
}
.rd-article__utl-fz--20{
    font-size: calc(20 / var(--root-fz) * 1rem) !important;
}
.rd-article__utl-fz--24{
    font-size: calc(24 / var(--root-fz) * 1rem) !important;
}
.rd-article__utl-fz--28{
    font-size: calc(28 / var(--root-fz) * 1rem) !important;
}
.rd-article__utl-fz--32{
    font-size: calc(32 / var(--root-fz) * 1rem) !important;
}
.rd-article__utl-fz--36{
    font-size: calc(36 / var(--root-fz) * 1rem) !important;
}
.rd-article__utl-fz--40{
    font-size: calc(40 / var(--root-fz) * 1rem) !important;
}
.rd-article__utl-fz--44{
    font-size: calc(44 / var(--root-fz) * 1rem) !important;
}
.rd-article__utl-fz--48{
    font-size: calc(48 / var(--root-fz) * 1rem) !important;
}
.rd-article__utl-fz--52{
    font-size: calc(52 / var(--root-fz) * 1rem) !important;
}
.rd-article__utl-fz--56{
    font-size: calc(56 / var(--root-fz) * 1rem) !important;
}
.rd-article__utl-fz--60{
    font-size: calc(60 / var(--root-fz) * 1rem) !important;
}
.rd-article__utl-fz--64{
    font-size: calc(64 / var(--root-fz) * 1rem) !important;
}
.rd-article__utl-fz--68{
    font-size: calc(68 / var(--root-fz) * 1rem) !important;
}
.rd-article__utl-fz--72{
    font-size: calc(72 / var(--root-fz) * 1rem) !important;
}
.rd-article__utl-fz--76{
    font-size: calc(76 / var(--root-fz) * 1rem) !important;
}
.rd-article__utl-fz--80{
    font-size: calc(80 / var(--root-fz) * 1rem) !important;
}