@charset "UTF-8";
/*    ––––––––––––––––––––––––––––––––––––––––––––––––––
共通
–––––––––––––––––––––––––––––––––––––––––––––––––– */

html {
        scroll-behavior: smooth;
        overflow: auto;
        font-size: 62.5%; 
    }

    
body {
    font-size: 16px;
    line-height: 1.7;
    letter-spacing: 0.065rem;
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--black);
    overflow: hidden;
}

section {
    padding: 80px 0;
}


p{
    font-size: 1.5rem;
    line-height: 1.75rem;
    margin-top: 0;
    text-align: justify;
}

img{
    max-width: 100%;
    height: auto;
}


/* PC、tab、スマホ表示 */
.pc { display: block !important; }
.sp { display: none !important; }


@media only screen and (max-width: 575px) {
    .pc { display: none !important; }
    .sp { display: block !important; }
}


    



/*color*/
:root {
    --black: #2D3E48;
    --blue:#00A2E8;
}






/* Header */
.header {
    background: #fff;
    padding: 15px;
}
.header-inner {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    margin: 0 auto;
}

.header-logo img{
    object-fit: contain;
    min-width: 150px; 
    height: 40px;
}

.header-text {
    font-size: 1.7rem;
    line-height: 1.4;
    color: var(--black);
    border-left: solid 1px rgba(45, 62, 72, 0.4);
    padding-left: 20px;
    margin-left: 20px;
    font-weight: 600;
}

.header-text small{
    font-weight: 500;
}

/* Hero Section */
.hero {
    padding: 150px 20px 250px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.hero::after {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: url(../img/fv_back.png);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;left: 0;
    top: 50%;
    transform: translateY(-50%); /* 垂直中央揃え */
}
.hero-content {
    position: relative;
    z-index: 10;
    max-width: 900px;
    margin: 0 auto;
}
.hero-subtitle {
    text-align: center;
    font-size: 3.8rem;
    color: var(--black);
    margin-bottom: 20px;
    font-weight: 400;
    letter-spacing: 0.3rem;
    line-height: 1;
}

.hero-title {
    font-size: 4.5rem;
    line-height: 1.3;
    font-weight: 800;
    background: linear-gradient(to left, #2D3E48, #2F7AAB);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
    margin-bottom:15px;
}

.tag {
    font-size: 2.0rem;
    font-weight: 400;
    line-height: 2.5;
    letter-spacing: 0.2rem;
    background: var(--black);
    color: #fff;
    padding: 5px 10px;
    border-radius: 3px;
}


/* Research Content Area */
.research-content {
    max-width: 1140px;
    margin: -120px auto 0;
    padding: 0 20px;
    position: relative;
    z-index: 20;
}
.content-card {
    background: #fff;
    border-radius: 12px;
    padding: 70px 80px;
    max-width: 1100px;
    margin: 0 auto;
    box-sizing: border-box;
}
.section-block {
    max-width: 900px;
    margin: 0 auto 150px;
}
.section-block:last-child {
    margin-bottom: 0px;
}
.section-title {
    font-size: 3.0rem;
    font-weight: bold;
    letter-spacing: 0.2rem;
    line-height: 1.4;
    text-align: center;
    color: #2D3E48;
    margin-bottom: 50px;
}
.section-title::before {
    content: '';
    display: block;
    width: 100%;
    height: 3px;
    background: linear-gradient(to right, #00A2E8 0%, #00A2E8 20%, rgba(45, 62, 72, 0.15) 20%, rgba(45, 62, 72, 0.15) 100%);
    margin-bottom: 30px;
}
.section-title .en {
    font-family: 'Roboto';
    font-size: 1.3rem;
    font-weight: 400;
    letter-spacing: 0;
    display: block;
    color: #00A2E8;
    margin-top: 0;
}
.text-content p {
    font-size: 15px;
    color: #444;
    line-height: 1.8;
    margin-bottom: 24px;
    text-align: justify;
}


/* Overview List */
.overview-list {
    list-style: none;
    padding: 0;
    margin: 0;
    padding-bottom: 30px;
}
.overview-list > li {
    display: flex;
    margin-bottom: 50px;
}
.overview-list > li:last-child {
    margin-bottom: 0;
}
.overview-list .num {
    font-family: 'Roboto', sans-serif;
    font-weight: 400;
    font-size: 3.0rem;
    line-height: 0.8;
    color: var(--black);
    margin-right: 15px;
    padding-top: 5px;
}
.overview-list .detail {
    flex: 1;
    padding-left: 15px;
    padding-bottom: 5px;
    border-left: solid 2px rgba(45, 62, 72, 0.4);
}
.overview-list .lead {
    margin-top: 0;
    font-size: 1.8rem;
    line-height: 1.5;
    color: var(--black);
    font-weight: 500;
    margin-bottom: 0;
    padding-bottom: 15px;
}
.badge-wrap {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 15px;
    align-items: center;
}
.badge {
    display: flex !important;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    font-weight: 400;
    background: #fff;
    height: 100%;
    max-height: 100%;
    border: solid 1px rgba(45, 62, 72, 0.4);
    border-radius: 4px;
    white-space: nowrap;
}
.badge-wrap p {
    font-size: 14px;
    color: #555;
    margin: 0;
    line-height: 1.7;
}

/* Goals Section */
.goals-section {
    background: #F8F9FB;
    padding: 150px 0;
}
.goals-section > .text-content,
.goals-section > .section-title {
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}
.diagram-placeholder {
    background: #fff;
    border-radius: 8px;
    padding: 50px;
    text-align: center;
    margin: 50px 0 40px;
}

.team-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 40px;
}
.team-item {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 15px;
    align-items: center;
}
.team-badge {
    font-size: 1.8rem;
    font-weight: 400;
    letter-spacing: 1px;
    text-align: center;
    background: var(--blue);
    color: #fff;
    width: 100%;
    min-width: 200px;
    padding: 10px 20px;
    margin-right: 25px;
    border-radius: 5px;
}
.team-desc {
    font-size: 15px;
    color: #444;
    flex: 1;
}

/* Footer */
.footer {
    background: #2d3744;
    color: #fff;
    padding: 60px 0;
}
.footer-inner {
    max-width: 1060px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}
.footer-info p {
    font-size: 15px;
    color: #fff;
    line-height: 2;
    margin: 0;
}
.footer-links {
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.footer-btn {
    display: flex;
    gap: 10px;
    justify-content: space-between;
    align-items: center;
    background: #fff;
    color: var(--black);
    text-decoration: none;
    padding: 15px;
    border-radius: 4px;
    font-size: 13px;
    width: 260px;
    transition: background 0.3s, transform 0.2s;
    font-weight: 500;
}
.footer-btn:hover {
    background: #f0f4f8;
    transform: translateY(-2px);
}
.footer-btn::after {
    content: '▶';
    font-size: 10px;
    color: var(--black);
}







/* Responsive Styles 
=========================================================================================*/



@media (max-width: 991px) {

    .hero-subtitle {font-size: 2.8rem;}
    .hero-title {font-size: 3.2rem;}
    .tag {font-size: 1.8rem;}
    .section-title {font-size: 2.4rem;}

    .diagram-placeholder {padding: 15px;}
}



@media (max-width: 768px) {
    .header { padding: 10px 15px;}
    .header-inner { flex-direction: column; align-items: flex-start; gap: 5px; }
    .header-text { margin-left: 0; padding-left: 0; border-left: none;font-size: 1.55rem; }
    .header-logo img {height: 30px;}


    .hero { padding: 60px 20px 200px; }
    .hero-subtitle {font-size: 2.2rem;}
    .hero-title { font-size: 2.2rem; }

    .tag {font-size: 1.55rem;padding: 5px;letter-spacing: 0.05rem;}


    .content-card { padding: 40px 15px; }

    .overview-list .detail {border-left: solid 1px rgba(45, 62, 72, 0.4);}
    .overview-list .lead {font-size: 1.6rem;}
    .badge-wrap { grid-template-columns: 1fr;gap: 5px;}
    .badge{justify-content: flex-start;}
    .overview-list > li {margin-bottom: 35px;}
    .overview-list .num { margin-bottom: 10px; }
    



    .team-item {grid-template-columns: 1fr; gap: 5px; }
    .team-badge{font-size: 1.6rem;min-width: 100%;padding: 5px 10px;}


    .overview-list > li { flex-direction: column; }
    .team-badge { margin-right: 0; width: 100%; box-sizing: border-box; }
    .footer-inner { flex-direction: column; gap: 50px; padding: 0 20px; }
    .footer-btn { width: 100%; box-sizing: border-box; }



}