:root {
    --main-text-color: #333;
    --sub-text-color: #666;
    --accent-color: #f7e031;
    --bg-color: #fcfcfc;
    --header-height: 60px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--main-text-color);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}

body.menu-open {
    overflow: hidden;
    touch-action: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 4px;
}

.reveal-section {
    opacity: 0;
    transform: translate3d(0, 24px, 0);
    transition: opacity 0.8s ease, transform 0.8s ease;
    will-change: opacity, transform;
}

.reveal-section.is-visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
}

.reveal-section img,
.reveal-section .company-illust,
.reveal-section .service-card,
.reveal-section .journal-card {
    transition: transform 0.9s ease, opacity 0.9s ease;
}

.reveal-section:not(.is-visible) img,
.reveal-section:not(.is-visible) .company-illust,
.reveal-section:not(.is-visible) .service-card,
.reveal-section:not(.is-visible) .journal-card {
    transform: translate3d(0, 18px, 0) scale(0.985);
}

.reveal-section.is-visible img,
.reveal-section.is-visible .company-illust,
.reveal-section.is-visible .service-card,
.reveal-section.is-visible .journal-card {
    transform: none;
}

@media (prefers-reduced-motion: reduce) {
    .reveal-section,
    .reveal-section img,
    .reveal-section .company-illust,
    .reveal-section .service-card,
    .reveal-section .journal-card {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
}

/* ヘッダー：白 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: #ffffff;
    z-index: 100;
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    width: 94%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 20px;
    font-weight: 900;
    letter-spacing: 0.2em;
    margin: 0;
}

.logo-link {
    text-decoration: none;
    color: inherit;
}

.logo-img {
    height: 28px;
    width: auto;
    display: block;
}

.nav {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links a {
    text-decoration: none;
    color: var(--main-text-color);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.15em;
    position: relative;
    padding-bottom: 2px;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--main-text-color);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

.contact-link {
    text-decoration: none;
    color: #fff;
    background-color: var(--main-text-color);
    padding: 8px 24px;
    border-radius: 30px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    transition: background-color 0.3s;
    white-space: nowrap;
}

.contact-link:hover {
    background-color: #555;
}

/* ハンバーガーボタン */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 101;
}

.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--main-text-color);
    transition: transform 0.3s, opacity 0.3s;
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* モバイルメニュー */
.mobile-menu {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: #fff;
    border-top: 1px solid #f0f0f0;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    z-index: 99;
}

.mobile-menu.open {
    display: block;
}

.mobile-menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-menu li a {
    display: block;
    padding: 18px 24px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-decoration: none;
    color: var(--main-text-color);
    border-bottom: 1px solid #f5f5f5;
    transition: background-color 0.2s;
}

.mobile-menu li a:hover {
    background-color: #fafafa;
}

.card-photo--service-01 {
    object-position: center 90%;
}

/* ヒーローエリア */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    color: #fff;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.hero-title {
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 900;
    line-height: 1.3;
    letter-spacing: 0.2em;
    margin-bottom: 24px;
}

.hero-subtext {
    font-size: clamp(14px, 1.5vw, 18px);
    font-weight: 700;
    letter-spacing: 0.3em;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('optimized-assets/photo/S-1.webp');
    background-size: cover;
    background-position: center;
    z-index: 1;
}

.hero-bg::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.55);
}

.scroll-label {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.6);
}

.scroll-text {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.4em;
}

.scroll-arrow {
    width: 12px;
    height: 12px;
    border-right: 1.5px solid rgba(255, 255, 255, 0.75);
    border-bottom: 1.5px solid rgba(255, 255, 255, 0.75);
    transform: rotate(45deg);
    animation: scrollArrowFloat 1.6s ease-in-out infinite;
}

@keyframes scrollArrowFloat {
    0%, 100% {
        transform: rotate(45deg) translateY(0);
        opacity: 0.55;
    }
    50% {
        transform: rotate(45deg) translateY(6px);
        opacity: 1;
    }
}

/* アバウトセクション */
.about-section {
    position: relative;
    padding: 160px 0 80px;
    background-color: #fff;
    overflow: hidden;
}

.bg-text {
    position: absolute;
    top: 20px;
    left: 2%;
    font-size: clamp(64px, 10vw, 132px);
    font-weight: 900;
    color: #f6f6f6;
    z-index: 0;
    pointer-events: none;
    letter-spacing: 0.05em;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    width: 90%;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    position: relative;
    z-index: 1;
}

.left-content {
    flex: 1;
}

.description {
    font-size: 17px;
    font-weight: 400;
    line-height: 2.0;
    letter-spacing: 0.08em;
    margin-bottom: 2em;
    color: #444;
}

.description-wrapper .description:last-child {
    margin-bottom: 0;
}

.coming-soon-badge {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: 60px;
}

.status-circle {
    width: 10px;
    height: 10px;
    background-color: var(--accent-color);
    border-radius: 50%;
    position: relative;
}

.status-circle::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: var(--accent-color);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.8;
    }

    100% {
        transform: scale(3.5);
        opacity: 0;
    }
}

/* 右側：縦書き＋キーワード */
.right-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: space-between;
    gap: 48px;
    margin-left: 60px;
    align-self: stretch;
}

.right-top {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 30px;
}

.about-illust {
    width: 100%;
}

.about-illust-mobile {
    display: none;
}

.illust-img {
    width: 100%;
    max-width: 280px;
    height: auto;
    display: block;
    opacity: 0.7;
}

.vertical-title {
    writing-mode: vertical-rl;
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 900;
    letter-spacing: 0.1em;
    line-height: 1.3;
    margin: 0;
    white-space: nowrap;
}

.section-label {
    writing-mode: vertical-rl;
    background-color: #fff;
    padding: 20px 8px;
    font-size: 11px;
    font-weight: 700;
    font-family: inherit;
    letter-spacing: 0.4em;
    border: 1px solid #eee;
    color: #999;
    white-space: nowrap;
}

.section-tag-en,
.section-tag-ja,
.founder-label,
.journal-en,
.card-label,
.card-target,
.company-item dt,
.contact-subheading,
.idea-label {
    font-family: inherit;
}

/* ===== About内 プロフィールミニ ===== */
.about-founder-mini {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding-top: 24px;
    border-top: 1px solid #eee;
}

.about-founder-avatar {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center top;
    flex-shrink: 0;
    border: 2px solid #f0f0f0;
}

.about-founder-info {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.about-founder-name {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.1em;
    margin: 0;
    color: var(--main-text-color);
}

.about-founder-title {
    font-size: 10px;
    color: #aaa;
    letter-spacing: 0.12em;
    margin: 0;
}

.about-founder-desc {
    font-size: 12px;
    color: #777;
    line-height: 1.9;
    letter-spacing: 0.04em;
    margin: 4px 0 0;
}

.about-founder-link {
    display: inline-block;
    margin-top: 10px;
    text-decoration: none;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--main-text-color);
    border-bottom: 1px solid var(--main-text-color);
    padding-bottom: 1px;
    transition: opacity 0.3s;
}

.about-founder-link:hover {
    opacity: 0.5;
}

/* フッター */
.footer {
    position: relative;
    overflow: hidden;
}

.footer-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    z-index: 0;
}

.footer-bg--main {
    background-image: url('optimized-assets/photo/C-1.webp');
}

.footer-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.68);
}

.footer-inner {
    position: relative;
    z-index: 1;
    max-width: 1100px;
    margin: 0 auto;
    width: 90%;
    padding: 48px 0 28px;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 28px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    margin-bottom: 20px;
}

.footer-logo-link {
    display: inline-block;
    margin: 0;
}

.footer-logo-img {
    height: 24px;
    width: auto;
    display: block;
    filter: invert(1);
}

.footer-tagline {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.55);
    line-height: 2;
    letter-spacing: 0.05em;
    margin: 0 0 20px;
}

.footer-mail {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    letter-spacing: 0.05em;
    transition: color 0.3s;
}

.footer-mail:hover {
    color: #fff;
}

.footer-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: row;
    gap: 28px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.footer-nav a {
    text-decoration: none;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: rgba(255, 255, 255, 0.6);
    transition: color 0.3s;
}

.footer-nav a:hover {
    color: #fff;
}

.footer-bottom {
    text-align: center;
}

.copyright {
    font-size: 10px;
    color: rgba(255, 255, 255, 0.35);
    letter-spacing: 0.15em;
    margin: 0;
}


/* ===== Aboutセクション 写真 ===== */
.about-photo-wrap {
    max-width: 100%;
    margin: 60px 0 0;
    width: 100%;
    height: 420px;
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.about-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

/* ===== フォトマーキー ===== */
.photo-marquee {
    overflow: hidden;
    width: 100%;
    background: #fff;
    line-height: 0;
}

.photo-marquee-track {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    width: max-content;
    height: 360px;
    animation: marquee 38s linear infinite;
    padding: 0 5px;
}

.photo-marquee:hover .photo-marquee-track {
    animation-play-state: paused;
}

.marquee-photo {
    height: 250px;
    width: auto;
    object-fit: cover;
    flex-shrink: 0;
    display: block;
    border-radius: 8px;
}

/* 7枚ごとに縦位置をずらす（2セット目にも自動で適用される） */
.marquee-photo:nth-child(7n+1) { height: 220px; margin-top: 90px;  }
.marquee-photo:nth-child(7n+2) { height: 280px; margin-top: 0px;   }
.marquee-photo:nth-child(7n+3) { height: 200px; margin-top: 110px; }
.marquee-photo:nth-child(7n+4) { height: 260px; margin-top: 10px;  }
.marquee-photo:nth-child(7n+5) { height: 245px; margin-top: 5px;   }
.marquee-photo:nth-child(7n+6) { height: 215px; margin-top: 95px;  }
.marquee-photo:nth-child(7n+7) { height: 270px; margin-top: 20px;  }

@keyframes marquee {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}

/* ===== Founderセクション ===== */
.founder-section {
    display: flex;
    min-height: 640px;
}

.founder-left {
    flex: 1;
    background-color: #1c1c1c;
    padding: 80px 64px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: #fff;
}

.founder-label {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.5em;
    color: var(--accent-color);
    display: block;
    margin-bottom: 32px;
}

.founder-name-wrap {
    margin-bottom: 16px;
}

.founder-name-en {
    font-size: 11px;
    font-weight: 400;
    letter-spacing: 0.3em;
    color: rgba(255, 255, 255, 0.45);
    margin: 0 0 10px;
}

.founder-name-ja {
    font-size: clamp(36px, 4vw, 52px);
    font-weight: 900;
    letter-spacing: 0.15em;
    margin: 0;
    line-height: 1.2;
}

.founder-role {
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 0.2em;
    color: rgba(255, 255, 255, 0.5);
    margin: 0 0 32px;
}

.founder-divider {
    width: 40px;
    height: 1px;
    background-color: var(--accent-color);
    margin-bottom: 32px;
}

.founder-bio {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.72);
    line-height: 2.2;
    letter-spacing: 0.05em;
    margin: 0 0 40px;
    max-width: 480px;
}

.founder-career {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.founder-career li {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 0.05em;
    display: flex;
    align-items: baseline;
    gap: 16px;
}

.career-year {
    font-size: 11px;
    font-weight: 700;
    color: var(--accent-color);
    flex-shrink: 0;
    letter-spacing: 0.1em;
}

.founder-name-row {
    display: flex;
    align-items: center;
    gap: 16px;
}

.founder-sns {
    display: flex;
    gap: 10px;
    align-items: center;
    padding-bottom: 4px;
}

.founder-sns-link {
    color: rgba(255, 255, 255, 0.4);
    transition: color 0.3s;
    display: flex;
    align-items: center;
    line-height: 0;
}

.founder-sns-link:hover {
    color: #fff;
}

.founder-sns-link svg {
    width: 22px;
    height: 22px;
}

.founder-sns--dark .founder-sns-link {
    color: rgba(0, 0, 0, 0.3);
}

.founder-sns--dark .founder-sns-link:hover {
    color: #333;
}

.founder-name-ja--light {
    color: #1c1c1c;
}

.founder-role--light {
    color: rgba(0, 0, 0, 0.45);
}

.founder-divider--light {
    background: #ddd;
}

.career-year--dark {
    color: #1c1c1c;
}

.founder-right {
    width: 46%;
    flex-shrink: 0;
    overflow: hidden;
    position: relative;
}

.founder-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
}

@media (max-width: 768px) {
    .founder-section {
        flex-direction: column;
    }

    .founder-left {
        padding: 60px 28px;
    }

    .founder-right {
        width: 100%;
        height: 420px;
    }
}

/* ===== サービスセクション ===== */
.services-section {
    position: relative;
    padding: 160px 0;
    background-color: #fafafa;
    overflow: hidden;
}

.services-section .bg-text {
    color: #ffffff;
}

.services-inner {
    max-width: 1100px;
    margin: 0 auto;
    width: 90%;
    position: relative;
    z-index: 1;
}

.services-header {
    margin-bottom: 64px;
}

.section-tag-row {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.section-tag-en {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.4em;
    color: var(--bg-color);
    background: var(--main-text-color);
    padding: 4px 14px;
}

.section-tag-ja {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: #aaa;
}

.section-main-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 900;
    letter-spacing: 0.1em;
    margin: 0;
    line-height: 1.3;
}

/* コンセプトブロック */
.concept-block {
    max-width: 680px;
    margin: 0 0 80px;
    padding: 40px 44px;
    background: #fff;
    border-left: 3px solid var(--accent-color);
}

.concept-quote {
    font-size: 16px;
    font-weight: 500;
    color: #444;
    line-height: 2.2;
    letter-spacing: 0.05em;
    margin: 0 0 20px;
}

.concept-body {
    font-size: 15px;
    color: var(--sub-text-color);
    line-height: 2.2;
    letter-spacing: 0.05em;
    margin: 0;
}

/* サービスカードグリッド */
.service-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.service-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid #e8e8e8;
    border-radius: 12px;
    overflow: hidden;
    transition: border-color 0.3s;
}

.service-card:hover {
    border-color: #bbb;
}

.card-photo-wrap {
    width: 100%;
    height: 240px;
    overflow: hidden;
    flex-shrink: 0;
}

.card-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

.service-card:hover .card-photo {
    transform: scale(1.03);
}

.card-content {
    padding: 36px 40px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.card-meta {
    display: flex;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 16px;
}

.card-num {
    font-size: 48px;
    font-weight: 900;
    color: #ebebeb;
    line-height: 1;
    letter-spacing: -0.02em;
    flex-shrink: 0;
}

.card-label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.3em;
    color: #bbb;
    text-transform: uppercase;
}

.card-target {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    color: var(--bg-color);
    background: var(--main-text-color);
    padding: 3px 12px;
    letter-spacing: 0.1em;
    margin-bottom: 20px;
}

.card-title {
    font-size: 17px;
    font-weight: 700;
    line-height: 1.7;
    letter-spacing: 0.04em;
    margin: 0 0 14px;
}

.card-desc {
    font-size: 13px;
    color: #555;
    line-height: 2.1;
    letter-spacing: 0.03em;
    margin: 0 0 24px;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.card-tags li {
    font-size: 11px;
    color: #666;
    letter-spacing: 0.08em;
    border: 1px solid #ddd;
    padding: 4px 12px;
}

/* ===== Founderセクション ===== */
.founder-section {
    display: flex;
    min-height: 600px;
}

.founder-left {
    flex: 1;
    background-color: #1c1c1c;
    padding: 80px 64px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: #fff;
}

.founder-label {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.5em;
    color: var(--accent-color);
    display: block;
    margin-bottom: 28px;
}

.founder-name-wrap {
    margin-bottom: 12px;
}

.founder-name-en {
    font-size: 11px;
    font-weight: 400;
    letter-spacing: 0.3em;
    color: rgba(255,255,255,0.4);
    margin: 0 0 8px;
}

.founder-name-ja {
    font-size: clamp(36px, 4vw, 52px);
    font-weight: 900;
    letter-spacing: 0.15em;
    margin: 0;
    line-height: 1.2;
}

.founder-role {
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 0.2em;
    color: rgba(255,255,255,0.45);
    margin: 0 0 28px;
}

.founder-divider {
    width: 36px;
    height: 1px;
    background-color: var(--accent-color);
    margin-bottom: 28px;
}

.founder-career {
    list-style: none;
    padding: 0;
    margin: 0 0 40px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.founder-career li {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
    letter-spacing: 0.05em;
    display: flex;
    align-items: baseline;
    gap: 14px;
}

.career-year {
    font-size: 11px;
    font-weight: 700;
    color: var(--accent-color);
    flex-shrink: 0;
    letter-spacing: 0.1em;
    min-width: 36px;
}

.founder-detail-btn {
    display: inline-flex;
    align-items: center;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.35);
    color: #fff;
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.25em;
    padding: 14px 28px;
    cursor: pointer;
    transition: background-color 0.3s, border-color 0.3s;
    align-self: flex-start;
}

.founder-detail-btn:hover {
    background-color: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.6);
}

.founder-right {
    width: 46%;
    flex-shrink: 0;
    overflow: hidden;
}

.founder-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
}

/* ===== プロフィールモーダル ===== */
.founder-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 200;
    align-items: center;
    justify-content: center;
}

.founder-modal.open {
    display: flex;
}

.founder-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.65);
    border: 0;
    padding: 0;
    cursor: pointer;
}

.founder-modal-content {
    position: relative;
    background: #fff;
    width: 90%;
    max-width: 820px;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 1;
}

.founder-modal-close {
    position: absolute;
    top: 20px;
    right: 24px;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #888;
    line-height: 1;
    z-index: 2;
    transition: color 0.2s;
}

.founder-modal-close:hover {
    color: #333;
}

.founder-modal-inner {
    display: flex;
    gap: 0;
}

.founder-modal-photo {
    width: 280px;
    flex-shrink: 0;
    overflow: hidden;
}

.founder-modal-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
}

.founder-modal-info {
    flex: 1;
    padding: 52px 48px;
}

.founder-modal-name-en {
    font-size: 10px;
    letter-spacing: 0.35em;
    color: #bbb;
    margin: 0 0 8px;
}

.founder-modal-name {
    font-size: 32px;
    font-weight: 900;
    letter-spacing: 0.15em;
    margin: 0 0 8px;
}

.founder-modal-role {
    font-size: 11px;
    color: #aaa;
    letter-spacing: 0.2em;
    margin: 0 0 24px;
}

.founder-modal-divider {
    width: 32px;
    height: 1px;
    background: var(--accent-color);
    margin-bottom: 24px;
}

.founder-modal-bio {
    font-size: 13px;
    color: #555;
    line-height: 2.2;
    letter-spacing: 0.04em;
    margin: 0 0 28px;
}

.founder-modal-career {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.founder-modal-career li {
    font-size: 13px;
    color: #555;
    display: flex;
    gap: 14px;
    letter-spacing: 0.04em;
}

.founder-modal-career li span {
    font-size: 11px;
    font-weight: 700;
    color: #333;
    flex-shrink: 0;
    min-width: 36px;
}

.founder-modal-titles {
    list-style: none;
    padding: 0;
    margin: 16px 0 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.founder-modal-titles li {
    font-size: 13px;
    color: #555;
    letter-spacing: 0.04em;
    display: flex;
    align-items: center;
    gap: 10px;
}

.founder-modal-titles li::before {
    content: '●';
    font-size: 8px;
    color: var(--accent-color);
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .founder-section {
        flex-direction: column;
    }

    .founder-left {
        padding: 56px 28px;
    }

    .founder-right {
        width: 100%;
        height: 380px;
    }

    .founder-modal-inner {
        flex-direction: column;
    }

    .founder-modal-photo {
        width: 100%;
        height: 260px;
    }

    .founder-modal-info {
        padding: 36px 28px;
    }
}

/* ===== 講演・研修セクション ===== */
.conference-section {
    position: relative;
    width: 100%;
    padding: 0 0 120px;
    background: linear-gradient(180deg, #f7f5ef 0%, #ffffff 100%);
    overflow: hidden;
}

.conf-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 360px 360px;
    width: 100%;
}

.conf-photo {
    overflow: hidden;
}

.conf-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.7s ease;
}

.conf-photo:hover img {
    transform: scale(1.04);
}

.conf-photo--shift-right img {
    transform: scale(1.4) translateX(14%);
    transform-origin: right center;
}

.conf-photo--shift-right:hover img {
    transform: scale(1.46) translateX(14%);
}

.conf-card {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #fff;
    padding: 42px 42px 30px;
    width: 340px;
    min-height: 370px;
    z-index: 2;
    box-shadow: 0 18px 42px rgba(0, 0, 0, 0.12);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.conf-card-heading {
    display: flex;
    justify-content: center;
    margin-bottom: 18px;
}

.conf-card-title-text {
    writing-mode: vertical-rl;
    font-size: clamp(26px, 3vw, 36px);
    font-weight: 900;
    letter-spacing: 0.18em;
    line-height: 1.28;
    margin: 0;
}

.conf-card-desc {
    font-size: 13px;
    color: #555;
    line-height: 2.05;
    letter-spacing: 0.04em;
    text-align: center;
    margin: 0 0 22px;
}

.conf-card-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--main-text-color);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
    transition: opacity 0.3s;
}

.conf-card-link:hover {
    opacity: 0.6;
}

.conf-card-link-arrow {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
    font-weight: 700;
}

.conference-shell {
    max-width: none;
    width: 100%;
    margin: 0 auto;
}

.conference-intro {
    display: none;
    margin-bottom: 44px;
}

.conference-eyebrow {
    margin: 0 0 12px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.26em;
    color: #8b8476;
}

.conference-title {
    margin: 0 0 14px;
    font-size: clamp(30px, 4vw, 42px);
    font-weight: 900;
    letter-spacing: 0.08em;
    line-height: 1.25;
    color: #1c1c1c;
}

.conference-lead {
    max-width: 640px;
    margin: 0;
    font-size: 14px;
    line-height: 2;
    letter-spacing: 0.04em;
    color: #666;
}

.conference-stage {
    position: relative;
}

.conference-stage--stacked {
    position: relative;
}

.conference-stage--stacked .conf-grid {
    display: grid;
    margin: 0;
    gap: 0;
    grid-template-rows: 360px 360px;
    align-items: stretch;
}

.conference-stage--stacked .conf-photo {
    display: block;
    height: 100%;
    line-height: 0;
}

.conference-stage--stacked .conf-photo img {
    height: 100%;
}

.conference-stage--stacked .conf-photo--4 img {
    object-position: center 28%;
}

.conference-stage--stacked .conf-card {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 340px;
    min-height: 370px;
    margin: 0;
    padding: 42px 42px 30px;
    align-items: center;
    justify-content: center;
    box-shadow: 0 18px 42px rgba(0, 0, 0, 0.12);
}

.conference-stage--stacked .conf-card-heading {
    display: flex;
    justify-content: center;
    margin-bottom: 18px;
}

.conference-stage--stacked .conf-card-title-text {
    writing-mode: vertical-rl;
    font-size: clamp(26px, 3vw, 36px);
    font-weight: 900;
    letter-spacing: 0.18em;
    line-height: 1.28;
    margin: 0;
}

.conference-stage--stacked .conf-card-desc {
    max-width: none;
    margin: 0 0 22px;
    font-size: 13px;
    line-height: 2.05;
    text-align: center;
}

.conference-stage--stacked .conf-card-link {
    display: flex;
    align-self: center;
    justify-content: space-between;
    width: auto;
    min-width: 140px;
    gap: 12px;
}

.conference-stage--stacked .conf-card-link-arrow {
    animation: conferenceArrowFloat 1.8s ease-in-out infinite;
}

@keyframes conferenceArrowFloat {
    0%, 100% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(4px);
    }
}

@media (max-width: 768px) {
    .conference-intro {
        display: block;
    }

    .conference-shell {
        width: calc(100% - 40px);
    }

    .conference-intro {
        margin-bottom: 30px;
    }

    .conference-title {
        font-size: 28px;
    }

    .conference-lead {
        font-size: 13px;
        line-height: 1.9;
    }

    .conference-stage--stacked .conf-grid {
        display: grid;
        margin: 0;
        gap: 0;
        grid-template-rows: 150px 150px;
        align-items: stretch;
    }

    .conference-stage--stacked .conf-card {
        position: relative;
        top: auto;
        left: auto;
        transform: none;
        width: 100%;
        min-height: auto;
        padding: 28px 20px 24px;
        align-items: flex-start;
        justify-content: flex-start;
        box-shadow: 0 18px 36px rgba(32, 28, 21, 0.08);
    }

    .conference-stage--stacked .conf-card-heading {
        display: none;
    }

    .conference-stage--stacked .conf-card-desc {
        max-width: 44rem;
        margin: 0 0 24px;
        font-size: 14px;
        line-height: 2;
        text-align: left;
    }

    .conference-stage--stacked .conf-card-desc br {
        display: none;
    }

    .conference-stage--stacked .conf-card-link {
        width: 100%;
        min-width: 0;
        justify-content: flex-end;
        align-self: flex-end;
        gap: 14px;
    }
}

/* ===== Journalセクション ===== */
.journal-section {
    padding: 120px 0;
    background-color: #fafafa;
    overflow: hidden;
}

.journal-inner {
    max-width: 1200px;
    margin: 0 auto;
    width: 94%;
    display: flex;
    gap: 72px;
    align-items: flex-start;
}

.journal-left {
    width: 220px;
    flex-shrink: 0;
    padding-top: 4px;
}

.journal-en {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.35em;
    color: #bbb;
    text-transform: uppercase;
    margin: 0 0 14px;
}

.journal-heading-row {
    display: block;
}

.journal-title {
    font-size: 40px;
    font-weight: 900;
    letter-spacing: 0.1em;
    line-height: 1.2;
    margin: 0 0 24px;
}

.journal-desc {
    font-size: 13px;
    color: var(--sub-text-color);
    line-height: 2.2;
    letter-spacing: 0.05em;
    margin: 0 0 40px;
}

.journal-link {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    color: #fff;
    background: var(--main-text-color);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.2em;
    padding: 14px 24px;
    transition: background-color 0.3s;
}

.journal-link:hover {
    background-color: #555;
}

.journal-cards-wrap {
    position: relative;
    flex: 1;
    min-width: 0;
}

.journal-controls {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    z-index: 3;
    display: flex;
    justify-content: space-between;
    pointer-events: none;
    padding: 0 14px;
}

.journal-control-btn {
    width: 42px;
    height: 42px;
    border: 1px solid #ddd;
    background: rgba(255, 255, 255, 0.94);
    color: #1c1c1c;
    border-radius: 999px;
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    transition: border-color 0.2s, background-color 0.2s, transform 0.2s;
    pointer-events: auto;
}

.journal-control-btn:hover {
    border-color: #bbb;
    background: #f7f7f7;
    transform: translateY(-1px);
}

.journal-control-btn--primary {
    background: #1c1c1c;
    color: #fff;
    border-color: #1c1c1c;
}

.journal-control-btn--primary:hover {
    background: #333;
    border-color: #333;
}

/* 記事カード群（横スクロール） */
.journal-cards {
    display: flex;
    gap: 20px;
    overflow: hidden;
    padding: 0 56px 4px 0;
    position: relative;
}

.journal-cards::-webkit-scrollbar {
    display: none;
}

.journal-track {
    display: flex;
    gap: 20px;
    will-change: transform;
}

.journal-track.is-animated {
    transition: transform 0.32s ease;
}

.journal-empty {
    font-size: 14px;
    color: #777;
    letter-spacing: 0.05em;
    margin: 32px 0 0;
}

.journal-card {
    flex-shrink: 0;
    width: 380px;
    background: #fff;
    border: 1px solid #eee;
    border-radius: 8px;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    scroll-snap-align: start;
    transition: border-color 0.3s;
    overflow: hidden;
}

.journal-card:hover {
    border-color: #bbb;
}

.jcard-photo-wrap {
    height: 200px;
    overflow: hidden;
    flex-shrink: 0;
}

.jcard-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

.journal-card:hover .jcard-photo {
    transform: scale(1.04);
}

.jcard-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.jcard-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.jcard-date {
    font-size: 11px;
    color: #bbb;
    letter-spacing: 0.05em;
}

.jcard-cat {
    font-size: 10px;
    font-weight: 700;
    color: var(--sub-text-color);
    border: 1px solid #ddd;
    padding: 2px 8px;
    letter-spacing: 0.08em;
}

.jcard-title {
    font-size: 13px;
    font-weight: 700;
    line-height: 1.9;
    letter-spacing: 0.03em;
    margin: 0 0 16px;
    flex: 1;
}

.jcard-author {
    display: flex;
    align-items: center;
    gap: 10px;
    border-top: 1px solid #f5f5f5;
    padding-top: 14px;
}

.jcard-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    background: #e8e8e8;
}

.jcard-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.jcard-name {
    font-size: 11px;
    color: #999;
    letter-spacing: 0.1em;
}

/* ===== フォトストリップ ===== */
.photo-strip {
    position: relative;
    height: 320px;
    background-size: cover;
    background-position: center;
}

.photo-strip--main {
    background-image: url('optimized-assets/photo/M-1.webp');
    background-position: center 18%;
}

.photo-strip-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.62);
    display: flex;
    align-items: center;
    justify-content: center;
}

.photo-strip-text {
    color: #fff;
    font-size: clamp(18px, 2.6vw, 28px);
    font-weight: 700;
    letter-spacing: 0.15em;
    line-height: 2.2;
    text-align: center;
    margin: 0;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

/* ===== 会社概要セクション ===== */
.company-section {
    position: relative;
    overflow: hidden;
    padding: 112px 0 160px;
    background-color: #fff;
}

.company-section .bg-text {
    top: 29px;
}

.company-section .company-inner {
    position: relative;
    z-index: 1;
}

.company-inner {
    max-width: 1100px;
    margin: 0 auto;
    width: 90%;
}

.company-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 56px;
    align-items: end;
    margin-bottom: 28px;
}

.company-header {
    margin-bottom: 0;
}

.company-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 48px;
    margin: 0;
    padding: 0;
}

.company-illust {
    display: flex;
    justify-content: flex-end;
    align-self: end;
    margin-top: 0;
    padding-top: 0;
}

.company-illust img {
    width: 100%;
    max-width: 280px;
    height: auto;
    display: block;
    opacity: 0.9;
}

.company-item {
    border-bottom: 1px solid #f0f0f0;
    padding: 24px 0;
}

.company-item dt {
    font-size: 11px;
    font-weight: 700;
    color: #aaa;
    letter-spacing: 0.2em;
    margin-bottom: 8px;
}

.company-item dd {
    font-size: 15px;
    color: var(--main-text-color);
    letter-spacing: 0.05em;
    line-height: 1.8;
    margin: 0;
}

/* ===== お問い合わせセクション ===== */
.contact-section {
    position: relative;
    padding: 120px 0 140px;
    overflow: hidden;
}

.contact-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    z-index: 0;
}

.contact-bg--main {
    background-image: url('optimized-assets/photo/C-1.webp');
}

.contact-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.58);
}

.contact-overlay {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.contact-header {
    text-align: center;
    margin-bottom: 56px;
}

.contact-heading {
    font-size: clamp(48px, 7vw, 80px);
    font-weight: 900;
    color: #fff;
    letter-spacing: 0.35em;
    margin: 0 0 12px;
    line-height: 1;
}

.contact-subheading {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.65);
    letter-spacing: 0.35em;
    margin: 0;
}

/* 白いフォームカード */
.contact-card {
    background: #fff;
    padding: 52px 56px;
    width: 90%;
    max-width: 620px;
}

.contact-card-title {
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-align: center;
    margin: 0 0 36px;
    padding-bottom: 20px;
    border-bottom: 1px solid #f0f0f0;
}

/* フォーム */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-row label {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: #555;
    display: flex;
    align-items: center;
    gap: 8px;
}

.required {
    font-size: 10px;
    color: #fff;
    background: #b0392b;
    padding: 2px 6px;
    letter-spacing: 0.05em;
}

.form-row input,
.form-row select,
.form-row textarea {
    width: 100%;
    border: 1px solid #ddd;
    padding: 12px 16px;
    font-size: 14px;
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--main-text-color);
    background: #fafafa;
    outline: none;
    transition: border-color 0.25s, background 0.25s;
    appearance: none;
    border-radius: 0;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
    border-color: #888;
    background: #fff;
}

.form-row textarea {
    resize: vertical;
    min-height: 140px;
    line-height: 1.8;
}

.form-note {
    font-size: 11px;
    color: #aaa;
    letter-spacing: 0.05em;
    margin: 0;
}

.form-submit {
    width: 100%;
    padding: 18px;
    background: var(--main-text-color);
    color: #fff;
    border: none;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.3em;
    font-family: 'Noto Sans JP', sans-serif;
    cursor: pointer;
    transition: background-color 0.3s;
    margin-top: 4px;
}

.form-submit:hover {
    background-color: #555;
}

.form-submit:disabled {
    background-color: #999;
    cursor: not-allowed;
}

.form-error {
    display: none;
    margin-bottom: 20px;
    padding: 14px 16px;
    background: #fdf1ef;
    border: 1px solid #e7b8b0;
    color: #8b2f23;
    font-size: 12px;
    line-height: 1.8;
    letter-spacing: 0.04em;
}

.form-error.visible {
    display: block;
}

.form-success {
    display: none;
    text-align: center;
    padding: 60px 20px;
}

.form-success.visible {
    display: block;
}

.form-success-title {
    font-size: 20px;
    font-weight: 700;
    color: #1c1c1c;
    letter-spacing: 0.1em;
    margin: 0 0 16px;
}

.form-success-body {
    font-size: 14px;
    color: #555;
    line-height: 2;
    margin: 0;
}

/* ===== スクロールアニメーション ===== */
.fade-in {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* レスポンシブ */
@media (max-width: 768px) {
    .header {
        height: 56px;
    }

    .header-inner {
        width: 100%;
        padding: 0 16px;
    }

    .logo-img {
        height: 24px;
    }

    .hamburger {
        padding: 8px 4px;
    }

    .mobile-menu {
        top: 56px;
        max-height: calc(100svh - 56px);
        overflow-y: auto;
    }

    .mobile-menu li a {
        padding: 16px 20px;
        font-size: 12px;
    }

    .hero {
        min-height: 100svh;
        height: auto;
        align-items: flex-end;
        padding: 112px 20px 72px;
    }

    .hero-content {
        width: 100%;
        max-width: 520px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        min-height: calc(100svh - 184px);
    }

    .hero-title {
        font-size: clamp(28px, 7vw, 38px);
        line-height: 1.28;
        letter-spacing: 0.06em;
        margin: 0;
        white-space: nowrap;
    }

    .hero-subtext {
        font-size: 15px;
        letter-spacing: 0.12em;
        line-height: 1.8;
        margin: 14px 0 0;
    }

    .scroll-label {
        display: none;
    }

    .about-section {
        padding: 84px 0 44px;
    }

    .about-section .bg-text {
        top: 14px;
        left: 16px;
        font-size: 52px;
        letter-spacing: 0.05em;
        opacity: 0.8;
    }

    .bg-text {
        top: 14px;
        left: 16px;
        font-size: 52px;
        opacity: 0.8;
    }

    .container {
        flex-direction: column;
        align-items: flex-start;
        width: calc(100% - 40px);
        gap: 28px;
    }

    .right-content {
        display: contents;
    }

    .right-top {
        order: -1;
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
        margin-top: -26px;
        margin-bottom: 10px;
        padding-top: 0;
    }

    .vertical-title {
        writing-mode: horizontal-tb;
        order: 2;
        font-size: 28px;
        line-height: 1.3;
        letter-spacing: 0.1em;
        white-space: nowrap;
    }

    .vertical-title br {
        display: none;
    }

    .section-label {
        order: 1;
        align-self: flex-start;
        writing-mode: horizontal-tb;
        padding: 7px 12px;
        font-size: 10px;
        letter-spacing: 0.14em;
        color: #fff;
        background: #1c1c1c;
        border-color: #1c1c1c;
    }

    .illust-img {
        max-width: min(72vw, 240px);
        opacity: 0.82;
    }

    .description {
        text-align: left;
        font-size: 16px;
        line-height: 1.9;
        letter-spacing: 0.04em;
        margin-bottom: 1.45em;
        max-width: 32rem;
        margin-left: auto;
        margin-right: auto;
    }

    .description-wrapper {
        width: 100%;
    }

    .about-illust {
        display: none;
    }

    .about-illust-mobile {
        display: flex;
        justify-content: flex-end;
        margin-top: 12px;
        width: 100%;
    }

    .about-illust-mobile img {
        width: min(68vw, 240px);
        height: auto;
        display: block;
    }

    .photo-marquee {
        padding-top: 8px;
    }

    .photo-marquee-track {
        height: 200px;
        gap: 8px;
        animation-duration: 28s;
        padding: 0 4px;
    }

    .marquee-photo {
        border-radius: 6px;
    }

    .marquee-photo:nth-child(7n+1) { height: 128px; margin-top: 52px; }
    .marquee-photo:nth-child(7n+2) { height: 156px; margin-top: 0; }
    .marquee-photo:nth-child(7n+3) { height: 118px; margin-top: 70px; }
    .marquee-photo:nth-child(7n+4) { height: 146px; margin-top: 10px; }
    .marquee-photo:nth-child(7n+5) { height: 136px; margin-top: 8px; }
    .marquee-photo:nth-child(7n+6) { height: 124px; margin-top: 60px; }
    .marquee-photo:nth-child(7n+7) { height: 150px; margin-top: 14px; }

    .services-section {
        padding: 84px 0;
    }

    .services-section .bg-text {
        top: 14px;
        left: 16px;
        font-size: 52px;
        letter-spacing: 0.05em;
        opacity: 0.8;
    }

    .services-inner {
        width: calc(100% - 40px);
    }

    .services-header {
        margin-bottom: 28px;
        margin-top: -18px;
        padding-top: 0;
    }

    .section-tag-row {
        gap: 16px;
        margin-bottom: 20px;
        flex-wrap: wrap;
    }

    .services-section .section-tag-row {
        gap: 16px;
        margin-bottom: 20px;
    }

    .section-main-title {
        font-size: 28px;
        line-height: 1.3;
        margin: 0;
    }

    .service-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .service-card {
        border-radius: 10px;
    }

    .card-photo-wrap {
        height: 200px;
    }

    .card-content {
        padding: 24px 20px;
    }

    .card-meta {
        gap: 10px;
        margin-bottom: 14px;
    }

    .card-num {
        font-size: 36px;
    }

    .card-label {
        letter-spacing: 0.18em;
    }

    .card-target {
        margin-bottom: 16px;
    }

    .card-title {
        font-size: 16px;
        line-height: 1.65;
    }

    .card-desc {
        line-height: 1.95;
        margin-bottom: 20px;
    }

    .card-tags {
        gap: 6px;
    }

    .card-tags li {
        font-size: 10px;
        padding: 4px 10px;
    }

    .founder-v2 {
        min-height: auto;
    }

    .founder-v2-photo {
        display: none;
    }

    .founder-v2-text {
        padding: 40px 28px 24px;
    }

    .founder-name-wrap {
        width: 100%;
        display: grid;
        grid-template-columns: minmax(0, 1fr) 126px;
        grid-template-rows: auto auto auto;
        column-gap: 18px;
        row-gap: 10px;
        align-items: start;
        margin-bottom: 0;
    }

    .founder-name-row {
        display: flex;
        align-items: center;
        gap: 10px;
        grid-column: 1;
        grid-row: 2;
        width: fit-content;
        max-width: 100%;
    }

    .founder-name-wrap .founder-role {
        grid-column: 1;
        grid-row: 1;
        margin: 0;
    }

    .founder-v2-text > .founder-name-en {
        margin: 10px 0 0;
    }

    .founder-name-wrap::after {
        content: "";
        grid-column: 2;
        grid-row: 1 / span 3;
        align-self: center;
        justify-self: end;
        width: 126px;
        height: 126px;
        border-radius: 999px;
        background-image: url('optimized-assets/photo/P-2_mobile.webp');
        background-size: cover;
        background-position: center 24%;
        box-shadow: 0 18px 36px rgba(0, 0, 0, 0.08);
    }

    .founder-sns {
        position: static;
        margin-left: 4px;
        padding-bottom: 0;
        flex-shrink: 0;
    }

    .founder-role {
        margin: -30px 0 12px;
    }

    .footer-top {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: 18px;
    }

    .footer-nav ul {
        flex-direction: row;
        align-items: center;
        justify-content: flex-end;
        gap: 14px 18px;
        flex-wrap: wrap;
    }

    .concept-block {
        padding: 28px 24px;
    }

    .nav-links,
    .contact-link {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .journal-section {
        padding: 84px 0;
    }

    .journal-inner {
        flex-direction: column;
        width: calc(100% - 40px);
        gap: 32px;
    }

    .journal-left {
        width: 100%;
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: center;
        gap: 10px 14px;
    }

    .journal-en {
        grid-row: 1;
        grid-column: 1 / -1;
        margin: 0 0 6px;
    }

    .journal-title {
        grid-row: 2;
        grid-column: 1;
        font-size: 32px;
        margin: 0;
        align-self: center;
    }

    .journal-desc {
        grid-row: 3;
        grid-column: 1 / -1;
        margin: 0;
        line-height: 2;
    }

    .journal-link {
        grid-row: 2;
        grid-column: 2;
        padding: 12px 18px;
        align-self: center;
        margin-top: 0;
        white-space: nowrap;
    }

    .journal-controls {
        display: none;
    }

    .journal-cards-wrap {
        width: 100%;
        overflow: visible;
    }

    .journal-cards {
        width: 100%;
        overflow-x: auto;
        gap: 14px;
        padding: 0 20px 8px 0;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        scroll-padding-left: 0;
    }

    .journal-track {
        display: contents;
    }

    .journal-card {
        width: min(82vw, 320px);
        border-radius: 10px;
    }

    .jcard-photo-wrap {
        height: 180px;
    }

    .jcard-body {
        padding: 16px;
    }

    .company-layout {
        grid-template-columns: minmax(0, 1fr) 112px;
        gap: 16px;
        align-items: center;
        margin-bottom: 12px;
    }

    .company-illust {
        justify-content: flex-end;
        align-self: center;
        margin-top: -34px;
    }

    .company-section {
        padding: 84px 0 88px;
    }

    .company-header {
        padding-top: 0;
        margin-top: -18px;
        margin-bottom: 0;
    }

    .company-section .section-tag-row {
        gap: 16px;
        margin-bottom: 20px;
    }

    .company-inner {
        width: calc(100% - 40px);
    }

    .company-header .section-main-title {
        line-height: 1.45;
        margin: 0;
    }

    .company-section .bg-text {
        top: 14px;
        left: 16px;
        font-size: 52px;
        letter-spacing: 0.05em;
        opacity: 0.8;
    }

    .company-grid {
        grid-template-columns: 1fr 1fr;
        gap: 0 20px;
    }

    .company-illust img {
        max-width: 150px;
    }

    .company-item {
        padding: 18px 0;
    }

    .company-item dd {
        font-size: 14px;
    }

    .conference-section {
        display: block;
        padding: 72px 0 84px;
        background: linear-gradient(180deg, #f7f5ef 0%, #ffffff 100%);
    }

    .conf-photo {
        height: 142px;
    }

    .conf-variants {
        grid-column: 1 / -1;
        display: grid;
        gap: 14px;
        padding: 18px 0 0;
    }

    .conf-variant {
        display: grid;
        gap: 8px;
    }

    .conf-variant-label {
        margin: 0;
        padding: 0 16px;
        font-size: 11px;
        font-weight: 700;
        letter-spacing: 0.18em;
        color: #777;
        text-transform: uppercase;
    }

    .conf-variant-preview {
        display: grid;
        overflow: hidden;
        background: #fff;
    }

    .conf-variant-preview img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
    }

    .conf-variant-copy {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 18px 16px;
        font-size: 21px;
        font-weight: 800;
        letter-spacing: 0.08em;
        background: #fff;
    }

    .conf-variant-preview--mosaic {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: 104px auto 104px;
    }

    .conf-variant-preview--mosaic img:nth-child(1) { grid-column: 1; grid-row: 1; }
    .conf-variant-preview--mosaic img:nth-child(2) { grid-column: 2; grid-row: 1; }
    .conf-variant-preview--mosaic .conf-variant-copy { grid-column: 1 / -1; grid-row: 2; }
    .conf-variant-preview--mosaic img:nth-child(4) { grid-column: 1; grid-row: 3; }
    .conf-variant-preview--mosaic img:nth-child(5) { grid-column: 2; grid-row: 3; }

    .conf-variant-preview--ribbon {
        grid-template-columns: 1.08fr 0.92fr;
        grid-template-rows: 92px 92px 92px;
    }

    .conf-variant-preview--ribbon img:nth-child(1) { grid-column: 1; grid-row: 1 / span 2; }
    .conf-variant-preview--ribbon img:nth-child(2) { grid-column: 2; grid-row: 1; }
    .conf-variant-preview--ribbon .conf-variant-copy { grid-column: 2; grid-row: 2 / span 2; }
    .conf-variant-preview--ribbon img:nth-child(4) { grid-column: 1; grid-row: 3; }
    .conf-variant-preview--ribbon img:nth-child(5) { display: none; }

    .conf-variant-preview--stack {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: 96px 96px auto;
    }

    .conf-variant-preview--stack img:nth-child(1) { grid-column: 1 / -1; grid-row: 1; }
    .conf-variant-preview--stack img:nth-child(2) { grid-column: 1; grid-row: 2; }
    .conf-variant-preview--stack img:nth-child(4) { grid-column: 2; grid-row: 2; }
    .conf-variant-preview--stack .conf-variant-copy { grid-column: 1 / -1; grid-row: 3; }
    .conf-variant-preview--stack img:nth-child(5) { display: none; }

    .conf-variants {
        grid-column: 1 / -1;
        display: grid;
        gap: 16px;
        padding: 18px 16px 0;
    }

    .conf-variant {
        display: grid;
        gap: 8px;
    }

    .conf-variant-label {
        margin: 0;
        font-size: 11px;
        font-weight: 700;
        letter-spacing: 0.18em;
        color: #777;
        text-transform: uppercase;
    }

    .conf-variant-preview {
        display: grid;
        overflow: hidden;
        border: 1px solid #ececec;
        background: #fff;
    }

    .conf-variant-preview img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
    }

    .conf-variant-copy {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 20px 16px;
        font-size: 22px;
        font-weight: 800;
        letter-spacing: 0.08em;
        background: #fff;
    }

    .conf-variant-preview--mosaic {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: 104px auto 104px;
        gap: 0;
    }

    .conf-variant-preview--mosaic img:nth-child(1) { grid-column: 1; grid-row: 1; }
    .conf-variant-preview--mosaic img:nth-child(2) { grid-column: 2; grid-row: 1; }
    .conf-variant-preview--mosaic .conf-variant-copy { grid-column: 1 / -1; grid-row: 2; }
    .conf-variant-preview--mosaic img:nth-child(4) { grid-column: 1; grid-row: 3; }
    .conf-variant-preview--mosaic img:nth-child(5) { grid-column: 2; grid-row: 3; }

    .conf-variant-preview--ribbon {
        grid-template-columns: 1.1fr 0.9fr;
        grid-template-rows: 92px 92px 92px;
        gap: 0;
    }

    .conf-variant-preview--ribbon img:nth-child(1) { grid-column: 1; grid-row: 1 / span 2; }
    .conf-variant-preview--ribbon img:nth-child(2) { grid-column: 2; grid-row: 1; }
    .conf-variant-preview--ribbon .conf-variant-copy { grid-column: 2; grid-row: 2 / span 2; }
    .conf-variant-preview--ribbon img:nth-child(4) { grid-column: 1; grid-row: 3; }
    .conf-variant-preview--ribbon img:nth-child(5) { display: none; }

    .conf-variant-preview--stack {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: 98px 98px auto;
        gap: 0;
    }

    .conf-variant-preview--stack img:nth-child(1) { grid-column: 1 / -1; grid-row: 1; }
    .conf-variant-preview--stack img:nth-child(2) { grid-column: 1; grid-row: 2; }
    .conf-variant-preview--stack img:nth-child(4) { grid-column: 2; grid-row: 2; }
    .conf-variant-preview--stack .conf-variant-copy { grid-column: 1 / -1; grid-row: 3; }
    .conf-variant-preview--stack img:nth-child(5) { display: none; }

    .photo-strip {
        height: 240px;
    }

    .photo-strip-text {
        font-size: clamp(19px, 5.4vw, 24px);
        line-height: 1.8;
        letter-spacing: 0.08em;
        padding: 0 24px;
    }

    .contact-section {
        padding: 84px 0 92px;
    }

    .contact-header {
        margin: 0 20px 36px;
    }

    .contact-heading {
        font-size: 38px;
        letter-spacing: 0.16em;
        margin-bottom: 10px;
    }

    .contact-subheading {
        letter-spacing: 0.18em;
    }

    .contact-card {
        width: calc(100% - 32px);
        padding: 28px 20px;
        border-radius: 10px;
    }

    .contact-card-title {
        margin-bottom: 24px;
        padding-bottom: 16px;
    }

    .contact-form {
        gap: 16px;
    }

    .form-row label {
        font-size: 11px;
    }

    .form-row input,
    .form-row select,
    .form-row textarea {
        padding: 12px 14px;
        font-size: 14px;
    }

    .form-submit {
        padding: 16px;
        letter-spacing: 0.18em;
    }

    .footer-inner {
        width: calc(100% - 40px);
        padding: 36px 0 24px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 104px 16px 64px;
    }

    .hero-title {
        font-size: 28px;
    }

    .container,
    .services-inner,
    .journal-inner,
    .company-inner,
    .footer-inner {
        width: calc(100% - 32px);
    }

    .mobile-menu li a {
        padding-inline: 16px;
    }

    .section-main-title,
    .journal-title {
        font-size: 26px;
    }

    .vertical-title {
        font-size: 26px;
    }

    .journal-card {
        width: 86vw;
    }

    .conf-photo {
        height: 120px;
    }

    .contact-card {
        width: calc(100% - 24px);
    }

    .founder-v2-photo {
        height: 280px;
    }

    .founder-v2-text {
        padding: 32px 20px 20px;
    }

    .founder-name-row {
        display: flex;
        align-items: center;
        gap: 10px;
        width: fit-content;
        max-width: 100%;
    }

    .founder-v2-text > .founder-name-en {
        margin: 8px 0 0;
    }

    .founder-name-wrap {
        grid-template-columns: minmax(0, 1fr) 96px;
        grid-template-rows: auto auto auto;
        column-gap: 12px;
        row-gap: 8px;
        margin-bottom: 0;
    }

    .founder-name-wrap::after {
        grid-row: 1 / span 3;
        align-self: center;
        width: 96px;
        height: 96px;
        background-size: cover;
        background-position: center 24%;
    }

    .founder-name-ja {
        font-size: 30px;
        letter-spacing: 0.1em;
    }

    .founder-sns {
        position: static;
        margin-left: 4px;
        width: auto;
    }

    .founder-role {
        margin: -30px 0 10px;
    }

    .founder-career li {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }

    .founder-career {
        margin-bottom: 24px;
    }

    .founder-detail-btn--light {
        width: 100%;
        justify-content: center;
        margin-top: 4px;
    }

    .founder-modal-content {
        width: calc(100% - 24px);
        max-height: 86vh;
    }

    .founder-modal-close {
        top: 14px;
        right: 16px;
    }

    .founder-modal-name {
        font-size: 26px;
    }

    .founder-modal-bio,
    .founder-modal-titles li {
        line-height: 2;
    }

    .footer-top {
        align-items: flex-start;
    }

    .footer-nav {
        width: 100%;
    }

    .footer-nav ul {
        justify-content: flex-start;
    }
}

/* ===== 比較ラベル ===== */
.idea-label {
    position: absolute;
    top: 0;
    left: 0;
    background: var(--accent-color);
    color: #1c1c1c;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.2em;
    padding: 5px 16px;
    z-index: 10;
}
.idea-label--dark {
    background: #1c1c1c;
    color: var(--accent-color);
}

/* ===== IDEA 1: 全幅写真＋オーバーレイ ===== */
.founder-v1 {
    position: relative;
    min-height: 680px;
    display: flex;
    align-items: center;
    overflow: hidden;
}
.founder-v1-bg {
    position: absolute;
    inset: 0;
    background-image: url('optimized-assets/photo/P-2.webp');
    background-size: cover;
    background-position: center top;
}
.founder-v1-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(0,0,0,0.88) 40%, rgba(0,0,0,0.1) 100%);
}
.founder-v1-content {
    position: relative;
    z-index: 1;
    width: 90%;
    max-width: 560px;
    margin: 0 0 0 8%;
    padding: 100px 0;
    color: #fff;
    display: flex;
    flex-direction: column;
}

/* ===== IDEA 2: 白背景・縦長写真 ===== */
.founder-v2 {
    position: relative;
    display: flex;
    min-height: 680px;
    background: #fff;
    overflow: hidden;
}
.founder-v2-photo {
    width: 44%;
    flex-shrink: 0;
    overflow: hidden;
}
.founder-v2-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
}
.founder-v2-text {
    flex: 1;
    padding: 80px 72px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    color: #1c1c1c;
}

.founder-v2-text .founder-name-en {
    color: rgba(28, 28, 28, 0.55);
}

.founder-v2-text .founder-role {
    color: rgba(28, 28, 28, 0.6);
}

.founder-v2-text > .founder-name-en {
    margin: 10px 0 0;
}

.founder-v2-text .founder-name-wrap .founder-role {
    margin: 0 0 10px;
}

.founder-v2-text .career-year {
    color: #444;
}

.founder-v2-text .section-tag-ja {
    color: #666;
}

.founder-v2-text .founder-career--light li {
    color: #4f4f4f;
}
.founder-v2-text .founder-label {
    background: #1c1c1c;
    color: #fff;
    padding: 4px 14px;
    display: inline-block;
    width: fit-content;
    margin-bottom: 0;
}

.founder-v2-text .section-tag-row {
    margin-bottom: 32px;
    align-items: center;
}
.founder-career--light li {
    color: #555;
}
.founder-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 20px 0 0;
}

.founder-tag {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: #555;
    border: 1px solid #ccc;
    padding: 4px 12px;
    border-radius: 20px;
}

.founder-detail-btn--light {
    background: transparent;
    color: #1c1c1c;
    border: 1px solid rgba(0,0,0,0.3);
    margin-top: 40px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.2em;
    padding: 12px 28px;
    cursor: pointer;
    transition: background 0.3s, color 0.3s;
}
.founder-detail-btn--light:hover {
    background: #1c1c1c;
    color: #fff;
}

/* ===== IDEA 3: FOUNDER＋講演依頼 統合 ===== */
.founder-v3 {
    position: relative;
    background: #1c1c1c;
    overflow: hidden;
}
.founder-v3-top {
    display: flex;
    min-height: 640px;
}
.founder-v3-top .founder-right {
    width: 46%;
    flex-shrink: 0;
    overflow: hidden;
    position: relative;
}

@media (max-width: 768px) {
    .founder-v1-content {
        margin: 0 auto;
        padding: 80px 28px;
    }
    .founder-v2 {
        flex-direction: column;
        min-height: auto;
    }
    .founder-v2-photo {
        width: 100%;
        height: 380px;
    }
    .founder-v2-text {
        padding: 40px 28px;
    }
    .founder-v3-top {
        flex-direction: column;
    }
    .founder-v3-top .founder-right {
        width: 100%;
        height: 380px;
    }

    .footer-bg,
    .contact-bg {
        background-attachment: scroll;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}