:root {
    /*https://coolors.co/palettes/popular/navbar*/
    --primary-eits: #070F2B;
    --primary-alternative-eits: #FBEEAC;
    --secondary-eits: #1D5D9B;
    --dark-blue-eits: #535C91;
    --light-blue-eits: #9290C3;
    --light-yellow-eits: #FBEEAC; /*out-top*/
    --yellow-eits: #F4D160; /*out-bottom*/
    --gray-eits: #E7E7E7; /*inner-top*/
    --turquoise-eits: #CAF0F8; /*inner-bottom*/
    --purple-eits: #8e7ab5; /* 144, 122, 181 */
    --red-eits: #bd574e; /* 189, 87, 78 */
    --blue-eits: #7286d3; /* 114, 134, 211 */
    --green-eits: #1cfd8d; /* 28, 253, 141 */
    --white-eits: #FAF3F0;
    --beige-eits: #fec89a;
    --social-media-bg-eits: #FAD29D;
}

.navbar-dark .navbar-brand {
    color: var(--primary-eits);
}
.navbar-dark .navbar-nav .nav-link {
    color: var(--primary-eits);
}
.navbar-dark .navbar-nav .nav-link:hover {
    color: var(--secondary-eits);
}
.navbar-dark .navbar-brand:hover {
    color: var(--secondary-eits);
}
.navbar-toggler-icon {
    background-image: url('data:image/svg+xml;charset=utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><title>menu</title><path d="M3,6H21V8H3V6M3,11H21V13H3V11M3,16H21V18H3V16Z" /></svg>') !important;
}
[data-aos] {
    opacity: 0;
    transition-property: opacity;
}
[data-aos].aos-animate {
    opacity: 1;
}
body {
    /*font-family: 'Ubuntu', sans-serif;*/
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--primary-eits);
}
a {
    color: var(--primary-eits);
}
a:hover {
    color: var(--secondary-eits);
    text-decoration: none;
}

h1, h2, h3, h4, h5, h6 {
    /*font-family: 'Ubuntu', sans-serif;*/
    font-family: 'Noto Sans JP', sans-serif;
}

h2 {
    font-size: 2.7rem;
    letter-spacing: -0.05em;
    line-height: 1.5;
    font-weight: 700;
}

h4 {
    font-size: 30px;
    text-transform: none;
    font-weight: bold;
    letter-spacing: -0.05em;
}

h6 {
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1.25;
}

.glass_effect {
    background-color: rgba(255, 255, 255, 0.45);
    box-shadow: 0 0 10px 1px rgba(0, 0, 0, 0.25);
    backdrop-filter: blur(15px);
}

.center-content {
    align-self: center;
}

.blue {
    position: absolute;
    width: 700px;
    height: 800px;
    background: radial-gradient(rgba(114, 134, 211, 0.24) 0%, transparent 80%);
    z-index: 0;
    margin-top: 85px;
    margin-left: -270px;
    left: 0;
}

.red {
    position: absolute;
    width: 400px;
    height: 500px;
    margin-top: 700px;
    background: radial-gradient(rgba(189, 87, 78, 0.28) 0%, transparent 80%);
    z-index: 0;
}

.purple {
    position: absolute;
    width: 1000px;
    height: 800px;
    margin-top: -300px;
    background: radial-gradient(rgba(144, 122, 181, 0.21) 0%, transparent 80%);
    z-index: 0;
    right: 0;
}

.green {
    position: absolute;
    width: 560px;
    height: 500px;
    background: radial-gradient(rgba(28, 253, 141, 0.22) 0%, transparent 80%);
    z-index: 0;
    margin-left: -175px;
    margin-top: 300px;
}

.container_dark {
    padding: 8rem 0rem 6rem;
    background: var(--primary-eits);
    align-self: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    gap: 3rem;
    position: relative;
    color: var(--white-eits);
}

.container_light {
    padding: 8rem 0rem 6rem;
    /*background: var(--primary-alternative-eits);*/
    background-color: rgba(251, 238, 172, 0.8);
    align-self: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    gap: 3rem;
    position: relative;
    color: var(--primary-eits);
}

.feature > img {
    border-radius: 5px;
}

.svg {
    width: 48px;
    height: 48px;
    position: absolute;
}

@keyframes vertical-shaking {
    0% { transform: translateY(0) }
    25% { transform: translateY(3px) }
    50% { transform: translateY(-3px) }
    75% { transform: translateY(3px) }
    100% { transform: translateY(0) }
}
.vertical-shake {
    animation: vertical-shaking 5s infinite;
}

@keyframes vertical-shaking-laptop {
    0% { transform: translateY(-5px) }
    25% { transform: translateY(5px) }
    50% { transform: translateY(0) }
    75% { transform: translateY(5px) }
    100% { transform: translateY(-5px) }
}
.vertical-shake-laptop {
    animation: vertical-shaking-laptop 4s infinite;
}

.card {
    border: none;
    background-color: transparent;
}
.card-header {
    color: white;
    font-weight: bold;
}
.card-header_start {
    border-radius: 0 50px 50px 0 !important;
}
.card-header_end {
    border-radius: 50px 0 0 50px !important;
}
.card-icon {
    width: 32px;
    height: 32px;
    position: absolute;
    right: 12px;
}
.card-icon > svg {
    width: 32px;
    height: 32px;
}
.social_media > a {
    display: inline-block;
    background: var(--social-media-bg-eits);
    border-radius: 50%;
    text-align: center;
    width: 50px;
    height: 50px;
    transition: 0.3s;
    fill: var(--white-eits);
}
.social_media > a:hover {
    background: var(--white-eits);
    fill: var(--social-media-bg-eits);
}
.social_media > a > svg {
    width: 32px;
    margin-top: 8px;
}
#useful_links {
    padding: 0;
}
#useful_links > li:first-child {
    padding: 0 0 10px 0;
}
#useful_links > li {
    list-style: none;
    padding: 10px 0;
    display: flex;
    align-items: center;
}
#useful_links > li > i {
    padding-right: 5px;
}
#useful_links > li > i > svg {
    width: 12px;
    height: 12px;
}
.introduction {
    font-size: 1.2rem;
    line-height: 1.5;
    margin-bottom: 20px;
}
.key-point-icon {
    width: 32px;
    position: absolute;
}
.key-point-topic, .key-point-description {
    margin-left: 2.5rem !important;
}
.key-point-topic {
    font-weight: 700 !important;
}
.icon-lg {
    width: 3.5rem;
    height: 3.5rem;
    line-height: 3.5rem;
    text-align: center;
    font-size: 1.2rem;
    background-color: var(--social-media-bg-eits);
}
.icon-lg > svg {
    width: 32px;
    height: 32px;
}
.icon-link {
    display: -webkit-inline-box;
    display: -ms-inline-flexbox;
    display: inline-flex;
    gap: 0.375rem;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    text-decoration-color: rgba(var(--bs-link-color-rgb), var(--bs-link-opacity, 0.5));
    text-underline-offset: 0.25em;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}
.card-footer {
    border-top: none;
    background: transparent;
}

/*https://codepen.io/JavaScriptJunkie/pen/WgRBxw*/

.service_card_bg {
    width: 95%;
    max-height: 100%;
    height: 100%;
    position: relative;
    margin: auto;
    box-shadow: 0px 14px 80px rgba(34, 35, 58, 0.2);
    padding: 25px;
    border-radius: 25px;
    transition: all 0.3s;
}
.service_card_wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    z-index: 1;
    /*display: -webkit-box;*/
    /*display: -webkit-flex;*/
    /*display: -ms-flexbox;*/
    /*display: flex;*/
    -webkit-transition-property: -webkit-transform;
    transition-property: -webkit-transform;
    -o-transition-property: transform;
    transition-property: transform;
    transition-property: transform,-webkit-transform;
    -webkit-box-sizing: content-box;
    box-sizing: content-box;
    align-items: center;
}
.service_card_image {
    width: 300px;
    border-radius: 20px;
    /*transform: translateX(-60px);*/
    transform:  translateY(-60px);
    overflow: hidden;
    flex-shrink: 0;
}
.service_card_image > img {
    width: 100%;
    height: 100%;
    display: block;
    border-radius: 20px;
    transition: all 0.3s;
}
.service_card_topic {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-eits);
    margin-bottom: 20px;
}
.service_card_description {
    color: #4e4a67;
    margin-bottom: 30px;
    line-height: 1.5em;
}
.service_card_button {
    display: inline-flex;
    background-color: var(--primary-alternative-eits);
    padding: 15px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    justify-content: center;
    text-align: center;
    letter-spacing: 1px;
}
.counter_plus {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.25;
}
.technologies > div > svg {
    width: 48px;
}