@import url("https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@500;700&family=Zen+Kaku+Gothic+New:wght@400;500;700&display=swap");

:root {
    color-scheme: light;
    --bg: #fcfcfb;
    --surface: #ffffff;
    --surface-alt: #f4f6f5;
    --ink: #1c2431;
    --muted: #5a6674;
    --line: #e1e6ea;
    --accent: #2e6f6b;
    --accent-dark: #1c4e4a;
    --shadow: 0 20px 50px rgba(20, 30, 40, 0.08);
    --radius: 22px;
}

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

body {
    font-family: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif;
    background: radial-gradient(circle at top left, #f1f7f6 0%, var(--bg) 55%) fixed;
    color: var(--ink);
    line-height: 1.8;
}

a {
    color: inherit;
    text-decoration: none;
}

.container {
    width: min(1120px, 90%);
    margin: 0 auto;
}

.section {
    padding: clamp(64px, 8vw, 120px) 0;
}

.section.alt {
    background: var(--surface-alt);
}

.site-header {
    position: sticky;
    top: 0;
    background: rgba(252, 252, 251, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
    z-index: 30;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 18px 0;
}

.logo {
    font-family: "Noto Serif JP", serif;
    font-size: 1.1rem;
    letter-spacing: 0.08em;
}

.site-nav {
    display: flex;
    gap: 18px;
    font-size: 0.95rem;
}

.nav-link {
    padding: 8px 12px;
    border-radius: 999px;
    color: var(--muted);
}

.nav-link.is-active {
    background: var(--surface-alt);
    color: var(--ink);
    font-weight: 600;
}

.hero {
    padding-top: clamp(80px, 12vw, 140px);
}

.hero-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    align-items: center;
    gap: 40px;
}

.hero-copy h1 {
    font-family: "Noto Serif JP", serif;
    font-size: clamp(2rem, 4vw, 3.2rem);
    line-height: 1.3;
    margin-bottom: 18px;
}

.hero-cta {
    display: inline-block;
    margin-top: 8px;
    padding: 14px 24px;
    border-radius: 999px;
    background: var(--accent);
    color: #fff;
    font-size: 1.02rem;
    font-weight: 700;
    box-shadow: 0 12px 22px rgba(46, 111, 107, 0.25);
}

.support-message {
    font-size: clamp(1.35rem, 2.6vw, 2rem);
    font-weight: 700;
    line-height: 1.7;
    letter-spacing: 0.01em;
}

.line-cta-section {
    padding-top: clamp(40px, 6vw, 70px);
}

.line-cta-link {
    display: block;
    width: min(760px, 100%);
    margin: 0 auto;
    padding: clamp(18px, 2.6vw, 26px) 24px;
    border-radius: 18px;
    text-align: center;
    font-size: clamp(1.3rem, 3.3vw, 2rem);
    font-weight: 700;
    letter-spacing: 0.02em;
    color: #fff;
    background: linear-gradient(135deg, #06c755 0%, #03a849 100%);
    box-shadow: 0 18px 32px rgba(6, 199, 85, 0.28);
}

.lead {
    font-size: 1.05rem;
    color: var(--muted);
    margin-bottom: 22px;
}

.hero-visual {
    position: relative;
    min-height: 320px;
    border-radius: var(--radius);
    background: #f8fbfa;
    border: 1px solid var(--line);
    overflow: hidden;
}

.hero-image {
    display: block;
    width: 100%;
    height: 100%;
    min-height: 320px;
    object-fit: cover;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(0px);
    opacity: 0.9;
}

.orb-a {
    width: 220px;
    height: 220px;
    background: radial-gradient(circle, #d4efe9, transparent 70%);
    top: -40px;
    left: -20px;
}

.orb-b {
    width: 180px;
    height: 180px;
    background: radial-gradient(circle, #f5ead2, transparent 70%);
    bottom: 30px;
    right: 40px;
}

.orb-c {
    width: 140px;
    height: 140px;
    background: radial-gradient(circle, #cfe1ff, transparent 70%);
    bottom: 90px;
    left: 40px;
}

.orb-d {
    width: 240px;
    height: 240px;
    background: radial-gradient(circle, #cfe9f2, transparent 70%);
    top: -20px;
    right: -60px;
}

.grid-lines {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(46, 111, 107, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(46, 111, 107, 0.08) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.35;
}

.section-head {
    margin-bottom: 28px;
}

.section-head h2 {
    font-family: "Noto Serif JP", serif;
    font-size: clamp(1.5rem, 3vw, 2.4rem);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.card-grid.two-col {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 26px;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    min-height: 180px;
}

.card h3 {
    font-size: 1.15rem;
    margin-bottom: 12px;
}

.card p {
    color: var(--muted);
}

.card.numbered {
    position: relative;
}

.card-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 16px;
    background: #eff6f5;
    color: var(--accent-dark);
    font-weight: 700;
    margin-bottom: 14px;
}

.mvv-block {
    position: relative;
    overflow: hidden;
}

.mvv-mission {
    background:
        radial-gradient(900px 420px at 8% 25%, rgba(46, 111, 107, 0.2), transparent 62%),
        linear-gradient(180deg, #f5faf8 0%, #eef5f2 100%);
}

.mvv-vision {
    background:
        radial-gradient(900px 420px at 92% 20%, rgba(66, 111, 173, 0.18), transparent 64%),
        linear-gradient(180deg, #f4f8fc 0%, #edf3fa 100%);
}

.mvv-value {
    background:
        radial-gradient(880px 400px at 15% 82%, rgba(230, 199, 102, 0.24), transparent 62%),
        linear-gradient(180deg, #fbf8ee 0%, #f7f1dd 100%);
}

.mvv-card {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(28, 78, 74, 0.18);
    border-radius: 26px;
    padding: 28px;
    box-shadow: 0 16px 38px rgba(21, 45, 42, 0.08);
    backdrop-filter: blur(6px);
}

.mvv-card h3 {
    font-family: "Noto Serif JP", serif;
    font-size: clamp(1.2rem, 1.8vw, 1.5rem);
    line-height: 1.45;
    margin-bottom: 12px;
}

.mvv-card p {
    color: #445160;
    line-height: 1.85;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.value-card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.92) 0%, rgba(249, 244, 227, 0.96) 100%);
    border: 1px solid rgba(230, 199, 102, 0.6);
    border-radius: 26px;
    padding: 24px;
    box-shadow: 0 14px 32px rgba(77, 64, 22, 0.1);
}

.value-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 999px;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: #8b6e18;
    background: rgba(230, 199, 102, 0.28);
    margin-bottom: 12px;
}

.value-card h3 {
    font-family: "Noto Serif JP", serif;
    font-size: clamp(1.02rem, 1.55vw, 1.3rem);
    line-height: 1.6;
}

.split {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 36px;
    align-items: center;
}

.split-text p {
    color: var(--muted);
    margin-bottom: 18px;
}

.message-section .split-text h2 {
    font-size: clamp(1.8rem, 3.2vw, 2.6rem);
    margin-bottom: 18px;
}

.message-section .split-text p {
    font-size: clamp(1.04rem, 1.5vw, 1.15rem);
    line-height: 1.95;
}

.message-section .split {
    align-items: flex-start;
}

.message-subhead {
    font-family: "Noto Serif JP", serif;
    font-size: clamp(1.35rem, 2.3vw, 1.8rem);
    margin: 34px 0 14px;
}

.leader-photo {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    border-radius: 20px;
    margin-bottom: 16px;
}

.split-visual {
    display: flex;
    justify-content: center;
}

.portrait-card {
    background: var(--surface);
    border-radius: 28px;
    padding: 26px;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    width: min(360px, 100%);
}

.portrait-caption {
    color: var(--muted);
    font-size: 0.9rem;
}

.list-grid {
    display: grid;
    gap: 24px;
}

.list-card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 26px;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.list-card ul {
    padding-left: 18px;
    color: var(--muted);
}

.site-footer {
    padding: 36px 0 18px;
    border-top: 1px solid var(--line);
    background: #f7f9f8;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.footer-logo {
    font-family: "Noto Serif JP", serif;
    font-size: 1.05rem;
}

.footer-links {
    display: flex;
    gap: 18px;
}

.footer-links a {
    color: var(--muted);
    font-size: 0.9rem;
}

.footer-note {
    text-align: center;
    color: #8893a0;
    font-size: 0.8rem;
    margin-top: 18px;
}

.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 860px) {
    .header-inner {
        flex-direction: column;
    }

    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
    }

}

@media (max-width: 600px) {
    .site-nav {
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero-visual {
        min-height: 240px;
    }

    .value-grid {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}