* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Yu Gothic', 'Meiryo', system-ui, -apple-system,   BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

img {
    width: 100%;
}

br._sp {
    display: none;
}
.img_pc {
    display: block;
}
.img_sp {
    display: none;
}
@media screen and (max-width: 768px) {
    br._sp {
        display: block;
    }
    .img_pc {
        display: none;
    }
    .img_sp {
        display: block;
        max-width: 500px;
        margin: auto;
    }
}

.container {
    margin: 0 auto 80px;
    padding: 0 20px;
}

.align_right {
    text-align: right;
}

/* Main Image */
.main_image {
    width: 100%;
    max-width: 1680px;
    margin: 0 auto;
}

 /* Menu Area */
.menu_area ol {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    padding: 10px 0;
    list-style-type: none;
}

.menu_area ol a {
    display: block;
    padding: 10px;
    font-size: 0.8rem;
    border-radius: 10px;
    color: #fff;
    background-color: #bbb;
    border: 1.5px solid #bbb;
    text-decoration: none;
    transition: all 0.5s ease;
    outline: unset;
}
.menu_area ol a:hover {
    cursor: pointer;
    color: #bbb;
    /* border: 1.25px solid #bbb; */
    background-color: #fff;
}

 /* Main Contents */
.main_contents {
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.main_contents .contents_sec {
    padding: 80px 0 0;
}

.contents_sec h2 {
    position: relative;
    padding-left: 20px;
    font-size: 1rem;
    font-weight: bold;
}
.contents_sec h2::after {
    position: absolute;
    left: 20px;
    bottom: 60px;
    width: 160px;
    height: 80px;
    font-size: 120px;
    font-weight: bold;
    color: #eee;
    z-index: -1;
}
#sec_01.contents_sec h2::after { content: "01"; }
#sec_02.contents_sec h2::after { content: "02"; }
#sec_03.contents_sec h2::after { content: "03"; }
#sec_04.contents_sec h2::after { content: "04"; }
#sec_05.contents_sec h2::after { content: "05"; }
#sec_06.contents_sec h2::after { content: "06"; }
#sec_07.contents_sec h2::after { content: "07"; }
#sec_08.contents_sec h2::after { content: "08"; }

.contents_sec h3 {
    padding: 0 20px;
    font-size: 24px;
    line-height: 1.5;
    margin-bottom: 24px;
    font-weight: bold;
    color: #003cd1;
}

.contents_sec p {
    margin-bottom: 1.5rem;
    font-size: 14px;
    line-height: 1.7;
    opacity: 0.9;
}

.contents_sec ul {
    margin-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.container.col2,
.container.col3 {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 40px;
}

.container.col2 .container_item {
    width: calc(50% - 20px);
    margin: 0 auto;
}

.container.col3 .container_item {    
    width: calc(33% - 24px);
    margin: 0 auto;
    padding: 10px;
}

.container_item a {
    color: unset;
    text-decoration: none;
}
.container_item h4 {
    /* font-size: 28px; */
    margin-bottom: 20px;
}

#sec_03 .container_item._image {
    width: 80%;
    max-width: 700px;
    margin: auto;
}

.container.group_area {
    justify-content: center;
    gap: unset;
    margin-left: 20px;
    margin-right: 20px;
    padding: 10px 0 20px;
    /* background-color: #97b1d4; */
    /* font-weight: bold; */
}

.container.group_area .container_item {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    width: 50%;
}

.container.group_area .container_item a {
    display: inline-block;
    width: calc(50% - 20px);
    margin: 14px;
    /* background-color: rgba(255, 255, 255, 0.4); */
    /* color: #fff; */
    padding: 9px;
    border: 2px solid #003cd1;
    border-radius: 10px;
    text-decoration: none;
    transition: all 0.5s ease;
}
.container.group_area .container_item a:hover {
    /* border-color: #6f89ca; */
    opacity: .6;
}

.container.group_area .container_item a .icon {
    display: block;
    margin-bottom: 0;
    padding: 2px 8px;
    text-align: center;
    border-radius: 999px;
    background-color: #003cd1;
    color: #fff;
    font-size: 10px;
}
/* .container.group_area .container_item a .icon.funlead { background-color: #003cd1; }
.container.group_area .container_item a .icon.rit { background-color: #450a5c; }
.container.group_area .container_item a .icon.apex { background-color: #099287; }
.container.group_area .container_item a .icon.xseeds { background-color: #f8c007; } */

.container.group_area .container_item a h4 {
    font-size: 14px;
    /* color: #08025a; */
    margin: 0 0 10px;
}
.container.group_area .container_item a .company_text {
    margin-bottom: 8px;
    font-size: 9px;
    /* color: #747fb1; */
}

.container.group_area .container_item .contaier_item_image {
    max-width: 200px;
}

#sec_07 .container.col3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding: 0 20px;
}
#sec_07 .container.col3 .container_item {
    display: grid;
    grid-template-rows: subgrid;
    grid-row: span 4;
    width: auto;
    padding: 0;
    gap: 0;
}

.container .board_image {
    margin-bottom: 0;
}
.container .board_member {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 14px;
}
.container .board_post {
    font-size: 12px;
    margin-bottom: 14px;
}
.container .board_text {
    font-size: 14px;
    margin-bottom: 0;
}

#sec_08 .carousel {
    position: relative;
    padding: 0 10px;
    background-color: #eee;
}

#sec_08 .carousel_track {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: 20px 0;
}
#sec_08 .carousel_track::-webkit-scrollbar {
    display: none;
}

#sec_08 .carousel_track .container_item {
    flex: 0 0 calc(28% - 12px);
    min-width: 0;
    scroll-snap-align: start;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    aspect-ratio: 1 / 1.2;
}

#sec_08 .carousel_track .container_item a {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 12px;
    color: inherit;
    text-decoration: none;
    transition: opacity 0.3s;
}
#sec_08 .carousel_track .container_item a:hover {
    opacity: .6;
}

#sec_08 .carousel_track .container_item .container_item_image {
    overflow: hidden;
    /* margin-bottom: 8px; */
}
#sec_08 .carousel_track .container_item .container_item_image img {
    border-radius: 5px;
}

#sec_08 .carousel_track .container_item .news_title {
    font-weight: bold;
    line-height: 1.4;
    font-size: clamp(11px, 1.5vw, 14px);
    flex: 1;
}

#sec_08 .carousel_track .container_item .news_company {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: auto;
    margin-bottom: 0;
}
#sec_08 .carousel_track .container_item .news_company .news_company_logo {
    width: 30px;
    flex-shrink: 0;
}
#sec_08 .carousel_track .container_item .news_company .news_company_name {
    line-height: 1.2;
    font-size: clamp(10px, 1.2vw, 12px);
}

.carousel_btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s;
}
.carousel_btn:hover {
    background: rgba(0, 0, 0, 0.7);
}
.carousel_btn:disabled {
    opacity: 0.3;
    cursor: default;
}
.carousel_btn--prev {
    left: 8px;
}
.carousel_btn--next {
    right: 8px;
}

footer {
    margin-top: 80px;
    padding-top: 40px;
    padding-bottom: 40px;
    font-size: 18px;
    text-align: center;
}

footer .footer_company {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-evenly;
    margin: 14px auto 28px;
    font-size: 16px;
}
footer .footer_company span {
    white-space: nowrap;
    font-weight: bold;
}

.btn_contact {
    width: fit-content;
    margin: 10px auto;
    padding: 10px 30px;
    background-color: black;
    border-radius: 999px;
    transition: opacity 0.3s;
}
.btn_contact:hover {
    cursor: pointer;
    opacity: .6;
}
.btn_contact a {
    text-decoration: none;
    color: #fff;
}

/* Responsive */
@media (max-width: 768px) {
    .main_image h1 {
        font-size: 28px;
    }
    
    .main_image-subtitle {
        font-size: 14px;
    }
    
    .contents_sec h2::after {
        font-size: 80px;
        bottom: 20px;
    }
    .contents_sec h3 {
        font-size: 24px;
    }
    .container {
        margin: 0 auto 40px;
    }
    #sec_03 .container_item._image {
        width: 100%;   
        max-width: 500px;
    }
    .container.col2,
    .container.col3 {
        gap: unset;
    }
    .container.col2 .container_item {
        width: 100%;
    }
    .container.col3 .container_item,
    #sec_07 .container.col3, 
    #sec_07 .container.col3 .container_item  {
        display: block;
        width: 100%;
    }
    #sec_07 .container.col3 .container_item {
        margin-bottom: 20px;
    }
    #sec_08 .carousel_track .container_item {
        flex: 0 0 40%;
        aspect-ratio: auto;
    }
    #sec_08 .carousel_track .container_item .news_title {
        font-size: clamp(11px, 1.8vw, 14px);
    }
    #sec_08 .carousel_track .container_item .news_company .news_company_name {
        line-height: 1.2;
        font-size: clamp(10px, 1.7vw, 12px);
    }
    .carousel_btn {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }
    footer {
        margin-top: 40px;
    }
}
@media screen and (max-width: 480px) {
    .container.group_area .container_item {
        display: block;
        width: 100%;
    }
    .container.group_area .container_item a {
        width: calc(100% - 20px);
        margin: 10px;
    }    
    .container.group_area .container_item a .container_item_image {
        max-width: 300px;
        margin: auto;
    }
    #sec_08 .carousel_track .container_item {
        flex: 0 0 80%;
        aspect-ratio: auto;
    }
}