.jam-page {
    --jam-ink: #26313b;
    --jam-paper: #f6f3ea;
    --jam-cyan: #7fa5a0;
    --jam-pink: #b8736d;
    --jam-yellow: #c5aa6a;
    max-width: 1180px;
    margin: 20px auto 0;
    color: var(--jam-ink);
    font-family: "Noto Sans SC", system-ui, sans-serif;
}

.jam-page * {
    box-sizing: border-box;
}

.jam-page h1,
.jam-page h2,
.jam-page p {
    margin: 0;
}

.jam-page h2 {
    font-family: "Lora", "Noto Serif SC", serif;
    text-transform: none;
}

.jam-hero {
    min-height: 620px;
    position: relative;
    display: grid;
    align-items: center;
    overflow: hidden;
    padding: clamp(30px, 7vw, 84px);
    border: 4px solid var(--jam-ink);
    border-radius: 20px;
    background: var(--jam-ink);
    color: #fff;
    isolation: isolate;
}

.jam-hero-art {
    position: absolute;
    inset: 0;
    z-index: -1;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.jam-hero-copy {
    max-width: 680px;
}

.jam-kicker,
.jam-section-no {
    font-size: .82rem;
    font-weight: 900;
    letter-spacing: .18em;
}

.jam-kicker {
    margin-bottom: 20px !important;
    color: var(--jam-yellow);
}

.jam-hero h1 {
    font-size: clamp(3.5rem, 9vw, 7.8rem);
    line-height: .86;
    letter-spacing: -.055em;
}

.jam-hero h1 span {
    color: var(--jam-cyan);
}

.jam-lead {
    max-width: 520px;
    margin-top: 28px !important;
    font-size: clamp(1rem, 2vw, 1.3rem);
    line-height: 1.7;
}

.jam-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 34px;
}

.jam-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 12px 24px;
    border: 2px solid #fff;
    border-radius: 999px;
    color: #fff;
    font-weight: 800;
    transition: transform .18s ease, background .18s ease;
}

.jam-button:hover {
    transform: translateY(-2px);
    text-decoration: none;
}

.jam-button-primary {
    border-color: var(--jam-pink);
    background: var(--jam-pink);
}

.jam-button-ghost:hover {
    background: #fff;
    color: var(--jam-ink);
}

.jam-status {
    position: absolute;
    right: 22px;
    bottom: 22px;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 18px;
    border-radius: 999px;
    background: var(--jam-yellow);
    color: var(--jam-ink);
    font-size: .83rem;
}

.jam-status strong {
    font-size: 1rem;
}

.jam-intro {
    display: grid;
    grid-template-columns: minmax(260px, .8fr) 1.2fr;
    gap: clamp(30px, 7vw, 90px);
    padding: clamp(56px, 9vw, 110px) clamp(12px, 4vw, 40px);
}

.jam-intro h2,
.jam-rules h2,
.jam-join h2 {
    margin-top: 12px;
    font-size: clamp(2rem, 4.8vw, 4.2rem);
    line-height: 1.12;
}

.jam-intro>p {
    align-self: end;
    font-size: 1.08rem;
    line-height: 1.9;
}

.jam-feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}

.jam-feature {
    min-height: 410px;
    display: flex;
    flex-direction: column;
    padding: 28px;
    border: 4px solid var(--jam-ink);
    border-radius: 18px;
}

.jam-feature img {
    width: 104px;
    height: 104px;
    margin-left: auto;
}

.jam-feature .jam-section-no {
    margin-top: auto;
}

.jam-feature h2 {
    margin-top: 12px;
    font-size: 2rem;
}

.jam-feature>p:last-child {
    margin-top: 12px;
    line-height: 1.65;
}

.jam-feature-cyan {
    background: var(--jam-cyan);
}

.jam-feature-yellow {
    background: var(--jam-yellow);
}

.jam-feature-pink {
    background: var(--jam-pink);
}

.jam-big-number {
    margin-left: auto;
    font: 900 clamp(5rem, 10vw, 8rem)/.8 "Lora", serif;
}

.jam-rules {
    display: grid;
    grid-template-columns: .75fr 1.25fr;
    gap: clamp(30px, 7vw, 90px);
    padding: clamp(70px, 10vw, 120px) clamp(12px, 4vw, 40px);
}

.jam-rule-list {
    list-style: none;
    counter-reset: none;
}

.jam-rule-list li {
    display: grid;
    grid-template-columns: 72px 1fr;
    gap: 18px;
    padding: 22px 0;
    border-top: 2px solid var(--jam-ink);
}

.jam-rule-list li:last-child {
    border-bottom: 2px solid var(--jam-ink);
}

.jam-rule-list span {
    font-weight: 900;
    color: var(--jam-pink);
}

.jam-rule-list p {
    line-height: 1.65;
}

.jam-rule-list strong {
    display: block;
    margin-bottom: 4px;
    font-size: 1.12rem;
}

.jam-join {
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 30px;
    align-items: end;
    padding: clamp(44px, 8vw, 82px);
    border: 4px solid var(--jam-ink);
    border-radius: 20px;
    background: var(--jam-cyan);
}

.jam-join>div>p:last-child {
    margin-top: 18px;
    font-size: 1.08rem;
    line-height: 1.7;
}

.jam-contact {
    display: flex;
    flex-direction: column;
    gap: 7px;
    padding: 24px;
    border: 3px solid var(--jam-ink);
    border-radius: 14px;
    background: var(--jam-paper);
}

.jam-contact span {
    font-size: .85rem;
    font-weight: 800;
}

.jam-contact strong {
    font-size: clamp(2rem, 5vw, 3.5rem);
    letter-spacing: .03em;
}

.jam-contact a {
    color: var(--jam-ink);
    font-weight: 700;
    overflow-wrap: anywhere;
}

[data-theme="pop"] .jam-page .jam-feature,
[data-theme="pop"] .jam-page .jam-hero,
[data-theme="pop"] .jam-page .jam-join {
    box-shadow: 10px 10px 0 var(--jam-ink);
}

@media (max-width: 760px) {
    .jam-hero {
        min-height: 600px;
        align-items: start;
        padding-top: 64px;
    }

    .jam-status {
        left: 18px;
        right: 18px;
        justify-content: center;
        flex-wrap: wrap;
        border-radius: 14px;
    }

    .jam-intro,
    .jam-rules,
    .jam-join {
        grid-template-columns: 1fr;
    }

    .jam-feature-grid {
        grid-template-columns: 1fr;
    }

    .jam-feature {
        min-height: 330px;
    }

    .jam-join {
        padding: 34px 22px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .jam-button {
        transition: none;
    }
}