.expressing-future {
    --future-rail-width: 1.2rem;
    --future-gap: 1.25rem;
}

.expressing-future-flow {
    display: grid;
    grid-template-columns: var(--future-rail-width) minmax(0, 1fr);
    gap: var(--future-gap);
    align-items: stretch;
}

.expressing-future-rail {
    position: relative;
    min-height: 100%;
}

.expressing-future-arrow {
    position: absolute;
    inset: 0.6rem 0 1rem;
    width: 0.7rem;
    margin: 0 auto;
    background: linear-gradient(180deg, #f06252 0%, #4aa3ff 100%);
    border-radius: 999px;
    box-shadow: 0 12px 20px rgba(74, 163, 255, 0.16);
}

.expressing-future-arrow::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -0.85rem;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 0.7rem solid transparent;
    border-right: 0.7rem solid transparent;
    border-top: 1rem solid #4aa3ff;
}

.expressing-future-arrow-label {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #64748b;
    white-space: nowrap;
}

.expressing-future-arrow-label-top {
    top: -0.25rem;
}

.expressing-future-arrow-label-bottom {
    bottom: -2.2rem;
}

.expressing-future-stack {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.expressing-future-item {
    border: 1px solid #e5e7eb;
    border-radius: 1rem;
    box-shadow: 0 14px 28px rgba(15, 23, 42, 0.08);
    overflow: hidden;
}

.expressing-future-item-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.15rem;
    background: #ffffff;
}

.expressing-future-headline {
    display: flex;
    gap: 0.85rem;
    min-width: 0;
}

.expressing-future-rank {
    width: 2rem;
    height: 2rem;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    color: #fff;
    flex-shrink: 0;
    background: #64748b;
}

.expressing-future-item-schedule .expressing-future-rank { background: #0d6efd; }
.expressing-future-item-arranged .expressing-future-rank { background: #0ea5e9; }
.expressing-future-item-goingto .expressing-future-rank { background: #8b5cf6; }
.expressing-future-item-future .expressing-future-rank { background: #475569; }

.expressing-future-title-wrap {
    min-width: 0;
}

.expressing-future-kicker {
    margin: 0 0 0.25rem;
    color: #64748b;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.expressing-future-title {
    margin: 0;
    font-size: clamp(1.05rem, 0.55vw + 0.95rem, 1.35rem);
    line-height: 1.35;
    font-weight: 700;
    color: #1f2937;
}

.expressing-future-title a {
    color: #0d6efd;
    text-decoration: none;
}

.expressing-future-title a:hover,
.expressing-future-title a:focus {
    text-decoration: underline;
}

.expressing-future-summary {
    margin: 0.25rem 0 0;
    color: #4b5563;
    line-height: 1.5;
}

.expressing-future-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    border: 0;
    border-radius: 999px;
    background: #f8fafc;
    color: #475569;
    flex-shrink: 0;
    transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.expressing-future-toggle:hover,
.expressing-future-toggle:focus-visible {
    background: #e2e8f0;
    color: #0f172a;
}

.expressing-future-toggle[aria-expanded="true"] i {
    transform: rotate(180deg);
}

.expressing-future-toggle i {
    transition: transform 0.2s ease;
}

.expressing-future-item-body {
    padding: 0 1.15rem 1.15rem;
    background: #fff;
}

.expressing-future-item-body > .collapse.show,
.expressing-future-item-body > .collapsing {
    padding-top: 0.15rem;
}

.expressing-future-item-body ul,
.expressing-future-item-body ol {
    margin-bottom: 0;
}

.expressing-future-item-body li + li {
    margin-top: 0.45rem;
}

.expressing-future-subgroup {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.expressing-future-subgroup-title {
    margin: 0;
    font-size: 1rem;
    font-weight: 700;
    color: #1f2937;
}

.expressing-future-subgroup-title a {
    color: #0d6efd;
    text-decoration: none;
}

.expressing-future-subgroup-title a:hover,
.expressing-future-subgroup-title a:focus {
    text-decoration: underline;
}

.expressing-future-subgroup + .expressing-future-subgroup {
    margin-top: 1rem;
}

.expressing-future-note {
    margin: 0;
    color: #475569;
}

.expressing-future-video {
    display: block;
    width: 100%;
    max-width: 38rem;
    margin-top: 0.2rem;
    border: 1px solid #dbe4f0;
    border-radius: 1rem;
    background: #0f172a;
}

.expressing-future .expressing-accordion .accordion-button {
    background: #f8fafc;
}

@media (max-width: 767.98px) {
    .expressing-future {
        --future-gap: 0.9rem;
    }

    .expressing-future-flow {
        grid-template-columns: 0.9rem minmax(0, 1fr);
    }

    .expressing-future-arrow {
        width: 0.5rem;
    }

    .expressing-future-arrow::after {
        border-left-width: 0.55rem;
        border-right-width: 0.55rem;
        border-top-width: 0.85rem;
    }

    .expressing-future-arrow-label {
        display: none;
    }

    .expressing-future-item-header {
        padding: 0.95rem 1rem;
    }

    .expressing-future-item-body {
        padding: 0 1rem 1rem;
    }

    .expressing-future-headline {
        gap: 0.7rem;
    }

    .expressing-future-rank {
        width: 1.85rem;
        height: 1.85rem;
        font-size: 0.95rem;
    }

    .expressing-future-toggle {
        width: 2.2rem;
        height: 2.2rem;
    }
}