/* ----------------------------------------------------------------
   初心者向け OW コース — カスタムHTML「初心者OWコース.html」用
   ---------------------------------------------------------------- */
.bd-ow-course {
    max-width: 960px;
    margin: 0 auto;
    padding: 2rem 1.75rem 2.5rem;
    font-family: system-ui, -apple-system, "Segoe UI", "Hiragino Sans", Meiryo, sans-serif;
    color: var(--bd-text);
    position: relative;
    background: linear-gradient(165deg, var(--bd-ocean-glass) 0%, #ffffff 55%, var(--bd-ocean-foam) 100%);
    border-radius: var(--bd-radius-lg);
    border: 1px solid var(--bd-border-soft);
    box-shadow: var(--bd-shadow-card);
    overflow: hidden;
}

.bd-ow-course::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(
        90deg,
        var(--bd-ocean-deep),
        var(--bd-ocean-mid),
        var(--bd-ocean-light),
        var(--bd-ocean-bright)
    );
}

.bd-ow-course > * {
    position: relative;
    z-index: 1;
}

/* ヒーロー */
.bd-ow-course__hero {
    margin-bottom: 2rem;
    text-align: center;
}

.bd-ow-course__badge {
    display: inline-block;
    margin-bottom: 0.85rem;
    padding: 0.35rem 1rem;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: #fff;
    background: linear-gradient(90deg, var(--bd-ocean-deep), var(--bd-ocean-mid));
    border-radius: 999px;
}

.bd-ow-course__title {
    margin: 0 0 0.75rem;
    font-size: clamp(1.45rem, 4vw, 2rem);
    font-weight: 800;
    line-height: 1.35;
    color: var(--bd-ocean-deep);
}

.bd-ow-course__lead {
    margin: 0 auto;
    max-width: 36em;
    font-size: 0.98rem;
    line-height: 1.85;
    color: var(--bd-text-muted);
}

/* セクション共通 */
.bd-ow-course__section {
    margin-bottom: 2rem;
    padding: 1.35rem 1.35rem 1.5rem;
    background: rgba(255, 255, 255, 0.88);
    border-radius: var(--bd-radius-md);
    border: 1px solid rgba(26, 95, 138, 0.1);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.bd-ow-course__section-heading {
    margin: 0 0 1.15rem;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--bd-ocean-mid);
    letter-spacing: 0.04em;
    border-left: 4px solid var(--bd-ocean-mid);
    padding-left: 0.85rem;
}

.bd-ow-course__section p {
    margin: 0 0 1em;
    line-height: 1.8;
    color: var(--bd-text-muted);
    font-size: 0.95rem;
}

.bd-ow-course__section p:last-child {
    margin-bottom: 0;
}

/* 概要カード（料金・期間など） */
.bd-ow-course__summary {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.bd-ow-course__summary-item {
    padding: 1.15rem 1.2rem;
    background: #fff;
    border-radius: var(--bd-radius-md);
    border: 1px solid var(--bd-border-soft);
    box-shadow: 0 4px 14px rgba(12, 45, 66, 0.06);
}

.bd-ow-course__summary-item--wide {
    grid-column: 1 / -1;
}

.bd-ow-course__summary-label {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--bd-ocean-mid);
    text-transform: uppercase;
}

.bd-ow-course__summary-value {
    display: block;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--bd-ocean-deep);
    line-height: 1.45;
}

.bd-ow-course__summary-value--price {
    font-size: clamp(1.35rem, 4vw, 1.65rem);
    color: var(--bd-ocean-mid);
}

.bd-ow-course__summary-note {
    display: block;
    margin-top: 0.35rem;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--bd-text-muted);
    line-height: 1.5;
}

/* ライセンス説明 */
.bd-ow-course__license-box {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    align-items: center;
    margin-top: 0.5rem;
}

.bd-ow-course__license-text {
    flex: 1 1 16rem;
    min-width: 0;
}

.bd-ow-course__license-highlight {
    flex: 0 1 12rem;
    padding: 1rem 1.15rem;
    text-align: center;
    background: linear-gradient(135deg, var(--bd-ocean-deep), var(--bd-ocean-mid));
    color: #fff;
    border-radius: var(--bd-radius-md);
    box-shadow: 0 6px 20px rgba(12, 45, 66, 0.18);
}

.bd-ow-course__license-highlight strong {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    line-height: 1.2;
}

.bd-ow-course__license-highlight span {
    display: block;
    margin-top: 0.35rem;
    font-size: 0.82rem;
    opacity: 0.92;
}

/* 取得までの流れ（タイムライン） */
.bd-ow-course__timeline {
    list-style: none;
    margin: 0;
    padding: 0;
    counter-reset: ow-step;
}

.bd-ow-course__step {
    position: relative;
    padding: 0 0 1.5rem 3.25rem;
    counter-increment: ow-step;
}

.bd-ow-course__step:last-child {
    padding-bottom: 0;
}

.bd-ow-course__step::before {
    content: counter(ow-step);
    position: absolute;
    left: 0;
    top: 0.1rem;
    width: 2.25rem;
    height: 2.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(180deg, var(--bd-ocean-bright), var(--bd-ocean-mid));
    border-radius: 50%;
    box-shadow: 0 3px 10px rgba(12, 45, 66, 0.2);
    z-index: 1;
}

.bd-ow-course__step:not(:last-child)::after {
    content: "";
    position: absolute;
    left: 1.1rem;
    top: 2.5rem;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--bd-ocean-light), rgba(94, 179, 212, 0.2));
}

.bd-ow-course__step-title {
    margin: 0 0 0.5rem;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--bd-ocean-deep);
}

.bd-ow-course__step-body {
    margin: 0;
    font-size: 0.92rem;
    line-height: 1.75;
    color: var(--bd-text-muted);
}

.bd-ow-course__step-body p {
    margin: 0 0 0.5rem;
}

.bd-ow-course__step-body p:last-child {
    margin-bottom: 0;
}

.bd-ow-course__step-body ul {
    margin: 0.5rem 0 0;
    padding-left: 1.2rem;
}

.bd-ow-course__step-body li {
    margin-bottom: 0.35rem;
}

/* うみのねの特徴 */
.bd-ow-course__features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.bd-ow-course__feature {
    padding: 1rem 1.1rem;
    background: var(--bd-ocean-foam);
    border-radius: var(--bd-radius-md);
    border: 1px solid rgba(26, 95, 138, 0.12);
}

.bd-ow-course__feature-title {
    margin: 0 0 0.45rem;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--bd-ocean-deep);
}

.bd-ow-course__feature-desc {
    margin: 0;
    font-size: 0.86rem;
    line-height: 1.65;
    color: var(--bd-text-muted);
}

/* 申し込み CTA */
.bd-ow-course__cta {
    margin-top: 0.5rem;
}

.bd-ow-course__cta-link {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem 1.25rem;
    padding: 1.25rem 1.35rem;
    text-decoration: none;
    color: #fff;
    background: linear-gradient(135deg, var(--bd-ocean-deep) 0%, var(--bd-ocean-mid) 50%, var(--bd-ocean-bright) 100%);
    border-radius: var(--bd-radius-md);
    border: 2px solid rgba(12, 45, 66, 0.85);
    box-shadow: 0 4px 18px rgba(12, 45, 66, 0.32);
    transition: transform 0.15s ease, box-shadow 0.2s ease;
}

.bd-ow-course__cta-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(12, 45, 66, 0.38);
}

.bd-ow-course__cta-link:focus-visible {
    outline: 3px solid var(--bd-accent-warm);
    outline-offset: 3px;
}

.bd-ow-course__cta-inner {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    min-width: 0;
}

.bd-ow-course__cta-eyebrow {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    opacity: 0.92;
}

.bd-ow-course__cta-title {
    font-size: clamp(1.1rem, 3.5vw, 1.4rem);
    font-weight: 800;
    line-height: 1.25;
}

.bd-ow-course__cta-desc {
    font-size: 0.88rem;
    font-weight: 500;
    opacity: 0.95;
    line-height: 1.45;
}

.bd-ow-course__cta-action {
    flex-shrink: 0;
    padding: 0.65rem 1.1rem;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--bd-ocean-deep);
    background: #fff;
    border-radius: 999px;
}

.bd-ow-course__cta-link:hover .bd-ow-course__cta-action {
    background: var(--bd-accent-warm);
}

@media screen and (max-width: 640px) {
    .bd-ow-course__summary {
        grid-template-columns: 1fr;
    }

    .bd-ow-course__features {
        grid-template-columns: 1fr;
    }

    .bd-ow-course__cta-link {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }

    .bd-ow-course__cta-inner {
        text-align: center;
    }
}

@media screen and (max-width: 480px) {
    .bd-ow-course {
        padding: 1.5rem 1.15rem 2rem;
    }

    .bd-ow-course__step {
        padding-left: 2.85rem;
    }
}