:root {
    --bg: #f7f4ef;
    --surface: #fcfbf8;
    --ink: #141414;
    --text: #423c36;
    --muted: #6d665d;
    --line: #ddd5ca;
    --navy: #10243f;
    --navy2: #17355d;
    --gold: #a98547;
    --shadow: 0 18px 44px rgba(16, 36, 63, .08);
    --r: 24px;
}

html {
    scroll-behavior: smooth;
}

#donatePage {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
    line-height: 1.5;
    letter-spacing: .01em;
}

h1,
h2,
h3,
.serif {
    font-family: Georgia, "Times New Roman", "Hiragino Mincho ProN", "Yu Mincho", serif;
    letter-spacing: -.02em;
}

a {
    color: #972261;
    text-decoration: none;
}

a:hover {
    opacity: 0.8;
    color: #972261;
}

.container {
    width: min(1180px, calc(100% - 64px));
    margin: 0 auto;
}

.logo {
    width: 100%;
    max-width: 340px;
    height: auto;
    align-self: center;
    margin: 0;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(252, 251, 248, .9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
}

.topbar-inner {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--navy);
}

nav {
    display: flex;
    gap: 24px;
    align-items: center;
}

nav a {
    text-decoration: none;
    color: var(--muted);
    font-size: 14px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 22px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 700;
}

.btn.primary {
    background: var(--navy);
    color: #fff;
    word-break: keep-all;
}

.btn.secondary {
    border: 1px solid rgba(255, 255, 255, .28);
    color: #fff;
    background: rgba(255, 255, 255, .06);
}

.btn.ghost {
    background: #fff;
    color: var(--navy);
    border: 1px solid rgba(16, 36, 63, .14);
}

.hero {
    color: #fff;
    background:
        linear-gradient(112deg, rgba(16, 36, 63, .96) 0%, rgba(16, 36, 63, .88) 50%, rgba(16, 36, 63, .72) 100%),
        linear-gradient(180deg, #284564 0%, #57728d 55%, #99aaba 100%);
    padding: 0;
}

.hero-inner {
    min-height: 680px;
    display: grid;
    grid-template-columns: minmax(0, 760px) 1fr;
    align-items: center;
    padding: 58px 0;
}

.eyebrow {
    display: inline-block;
    margin-bottom: 18px;
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, .76);
}

h1 {
    margin: 0;
    font-size: clamp(42px, 6.5vw, 86px);
    line-height: 1.15;
    font-weight: 600;
}

.hero p {
    margin: 24px 0 32px;
    font-size: 22px;
    color: rgba(255, 255, 255, .88);
    max-width: 30em;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 38px;
}

.hero-points {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    max-width: 850px;
}

.hero-point {
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 18px;
    padding: 18px 20px;
}

.hero-point strong {
    display: block;
    margin-bottom: 6px;
    font-size: 15px;
}

.hero-point span {
    font-size: 14px;
    color: rgba(255, 255, 255, .76);
}

section {
    padding: 84px 0;
    border-bottom: 1px solid var(--line);
}

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

.section-head {
    display: grid;
    grid-template-columns: minmax(280px, 430px) minmax(0, 1fr);
    gap: 7.5rem;
    align-items: start;
    margin-bottom: 30px;
}

.kicker {
    display: inline-block;
    margin-bottom: 12px;
    color: var(--gold);
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: .16em;
    text-transform: uppercase;
}

h2 {
    margin: 0 0 14px;
    font-size: clamp(34px, 4vw, 54px);
    line-height: 1.1;
    font-weight: 600;
}

.lede {
    margin: 0;
    margin-bottom: 1rem;
    font-size: 20px;
    color: var(--muted);
    max-width: 38em;
    font-weight: 500;
}

p {
    margin: 0 0 16px;
    color: var(--text);
}

.cards {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--r);
    padding: 28px;
    box-shadow: var(--shadow);
}

.card h3 {
    margin: 0 0 10px;
    font-size: 26px;
    line-height: 1.2;
    color: var(--navy);
    font-weight: 600;
}

.card p {
    margin: 0;
    color: var(--muted);
    font-size: 16px;
}

.number {
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(169, 133, 71, .12);
    color: var(--gold);
    font-size: 14px;
    font-weight: 800;
    margin-bottom: 14px;
}

.use-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
}

.use-item {
    background: #fff;
    border-top: 3px solid var(--gold);
    border-radius: 20px;
    padding: 22px 20px;
    box-shadow: var(--shadow);
}

.use-item h3 {
    margin: 0 0 10px;
    font-size: 23px;
    color: var(--navy);
}

.use-item p {
    margin: 0;
    color: var(--muted);
    font-size: 15px;
}

.impact {
    display: grid;
    grid-template-columns: minmax(0, 430px) minmax(0, 1fr);
    gap: 38px;
    align-items: start;
}

.quote {
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy2) 100%);
    color: #fff;
    border-radius: 28px;
    padding: 36px;
}

.quote .serif {
    font-size: clamp(28px, 3vw, 40px);
    line-height: 1.22;
    margin-bottom: 10px;
}

.quote p {
    color: rgba(255, 255, 255, .8);
    margin: 0;
}

.impact-list {
    margin: 0;
    padding-left: 1.2em;
    font-size: 1.125rem;
}

.impact-list li {
    margin-bottom: 10px;
    color: var(--text);
}

.cta {
    background: linear-gradient(135deg, #10243f 0%, #17355d 100%);
    color: #fff;
    border-radius: 30px;
    padding: 40px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 24px;
    align-items: center;
    box-shadow: 0 22px 50px rgba(16, 36, 63, .18);
}

.cta h2 {
    color: #fff;
    margin-bottom: 8px;
}

.cta p {
    color: rgba(255, 255, 255, .84);
    margin: 0 0 12px;
}

.freq {
    margin: 0 0 12px 1.2em;
    color: rgba(255, 255, 255, .84);
}

.fine {
    font-size: 13px;
    color: rgba(255, 255, 255, .64);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
}

.info {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 24px;
}

.info h3 {
    margin: 0 0 10px;
    font-size: 22px;
    color: var(--navy);
}

.info p {
    margin: 0;
    color: var(--muted);
}

footer {
    padding: 24px 0 48px;
    font-size: 14px;
    color: var(--muted);
    background: var(--surface);
}


@media screen and (max-width:850px) {
    nav {
        display: none;
    }
}

@media screen and (max-width:768px) {

    h1,
    h2 {
        line-height: 1.25;
    }

    .section-head {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .use-grid,
    .info-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

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

    .btn.primary {
        font-size: clamp(0.75rem, 0.541rem + 0.96vw, 1rem);
    }

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

    .btn.ghost {
        display: block;
        text-align: center;
    }

    .impact-list {
        margin-top: 2rem;
    }
}

@media screen and (max-width:480px) {

    .use-grid,
    .info-grid {
        grid-template-columns: 1fr;
    }

    .hero-points {
        grid-template-columns: 1fr;
    }


    .btn.primary {
        padding: 10px 16px;
    }

    .cta,
    .quote {
        padding: 1.5rem;
    }

}

/*/////////////////////////////////////////////// ページトップ*/
#page-top {
    position: fixed;
    right: 20px;
    bottom: 20px;
    font-size: 12px;
    font-family: 'Roboto', sans-serif;
    line-height: 16px;
}

#page-top a {
    background: rgba(0, 0, 0, 1.00);
    text-decoration: none;
    color: #fff;
    width: 50px;
    padding: 7px 0;
    text-align: center;
    display: block;
    border-radius: 4px;
    transition: all 0.3s;
}

#page-top a:hover {
    text-decoration: none;
    background: rgba(0, 0, 0, 0.60);
    margin-bottom: -5px
}