/* Keep today's task visible before the longer course and reference navigation. */
.learning-page main {
    padding-top: 90px;
}
.learning-page .page-hero {
    height: auto;
    min-height: 145px;
    background-attachment: scroll;
}
.learning-page .page-title .title-jp {
    font-size: clamp(2.4rem, 4vw, 3.4rem);
}
.learning-page .learning-path-content {
    padding-top: 28px;
}
.learning-path-content .today-start {
    max-width: 1000px;
    margin: 0 auto 28px;
    scroll-margin-top: 100px;
}
.today-start h2 {
    margin: 0 0 10px;
    font-size: clamp(2.2rem, 3vw, 2.8rem);
    line-height: 1.5;
}
.today-start p {
    font-size: 1.6rem;
    line-height: 1.8;
}
.today-options {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin: 20px 0 14px;
    padding: 0;
    list-style: none;
}
.today-options li {
    padding: 18px;
    border: 1px solid #c6d0d5;
    border-top: 4px solid var(--primary-color);
    border-radius: 8px;
    background: #fff;
}
.today-options span {
    display: block;
    margin-bottom: 8px;
    font-size: 1.4rem;
    color: var(--text-medium);
}
.today-options a {
    display: block;
    margin-bottom: 10px;
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1.6;
    text-decoration: underline;
    text-underline-offset: 4px;
}
.today-options a:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 5px;
}
.today-options p {
    margin: 0;
}
.today-start .today-note {
    font-size: 1.4rem;
}
.learning-page .step-status,
.learning-page .step-toggle {
    font-size: 1.4rem;
}
/* The first practice only; the existing eight-step course keeps its styles. */
.learning-path-content .beginner-start {
    text-align: left;
}
.learning-path-content .beginner-start h2 {
    line-height: 1.55;
}
.learning-path-content .beginner-start h3[id] {
    scroll-margin-top: 100px;
}
.learning-path-content .learning-loop {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    margin: 24px 0 32px;
    padding: 0;
    list-style: none;
}
.learning-path-content .learning-loop a {
    display: flex;
    align-items: center;
    gap: 8px;
    height: 100%;
    padding: 12px;
    border: 1px solid var(--bg-sand);
    border-radius: 8px;
    background: var(--bg-warm);
    font-weight: 700;
}
.learning-path-content .learning-loop span {
    display: inline-grid;
    flex: 0 0 26px;
    width: 26px;
    height: 26px;
    place-items: center;
    border-radius: 50%;
    background: var(--primary-color);
    color: #fff;
    font-size: 1.3rem;
}
.learning-path-content .request-diagram {
    margin: 24px 0;
    padding: 24px;
    border: 1px solid var(--bg-sand);
    border-radius: 12px;
    background: var(--bg-warm);
}
.learning-path-content .request-flow {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 32px;
    margin: 0 0 18px;
    padding: 0;
    list-style: none;
}
.learning-path-content .request-flow li {
    position: relative;
    min-width: 0;
    padding: 16px 12px;
    border: 1px solid #c6d0d5;
    border-radius: 8px;
    background: #fff;
    text-align: center;
}
.learning-path-content .request-flow li:not(:last-child)::after {
    content: "\2192";
    position: absolute;
    top: 50%;
    right: -28px;
    width: 24px;
    transform: translateY(-50%);
    color: var(--primary-color);
    font-size: 2rem;
    font-weight: 700;
}
.learning-path-content .request-flow .request-role {
    display: block;
    margin-bottom: 5px;
    color: var(--primary-color);
    font-size: 1.35rem;
}
.learning-path-content .request-flow strong {
    display: block;
    color: var(--primary-color);
    font-size: 1.8rem;
}
.learning-path-content .request-flow p {
    margin: 8px 0;
    text-align: center;
    font-size: 1.45rem;
}
.learning-path-content .request-flow code {
    font-size: 1.25rem;
    overflow-wrap: anywhere;
}
.learning-path-content .request-diagram figcaption {
    font-size: 1.35rem;
    line-height: 1.8;
    color: var(--text-medium);
}
.learning-path-content .request-foundation {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid #c6d0d5;
}
.learning-path-content .request-foundation strong {
    display: block;
}
.learning-path-content .practice-gate,
.learning-path-content .practice-next {
    margin: 20px 0;
    padding: 18px 22px;
    border-left: 4px solid var(--nature-green);
    background: var(--bg-warm);
}
.learning-path-content .practice-gate > strong {
    font-size: 1.6rem;
    color: var(--primary-color);
}
.learning-path-content .practice-gate ul,
.learning-path-content .http-errors {
    margin: 12px 0;
    padding-left: 22px;
    list-style: disc;
}
.learning-path-content .practice-gate li + li,
.learning-path-content .http-errors li + li {
    margin-top: 10px;
}
.learning-path-content .http-command {
    margin: 18px 0;
    padding: 18px;
    overflow-x: auto;
    border-radius: 8px;
    background: var(--primary-dark);
    color: #fff;
    font-size: 1.4rem;
    line-height: 1.8;
}
.learning-path-content .http-command code {
    color: inherit;
    background: transparent;
    white-space: pre;
}
.learning-path-content .beginner-start .operation-table th,
.learning-path-content .beginner-start .operation-table td {
    vertical-align: top;
}
.learning-path-content .beginner-start .operation-table caption {
    margin: 0 0 10px;
    text-align: left;
    font-size: 1.4rem;
    line-height: 1.8;
}
.learning-path-content .beginner-answer summary {
    line-height: 1.8;
}
.learning-path-content .practice-record {
    margin: 18px 0;
    padding-left: 24px;
    list-style: decimal;
}
.learning-path-content .practice-record li + li {
    margin-top: 12px;
}
.learning-path-content .explain-script {
    margin: 18px 0;
    padding: 20px 24px;
    border-left: 4px solid var(--primary-color);
    background: var(--bg-warm);
}
.learning-path-content .explain-script p {
    margin: 0;
}
@media (max-width: 700px) {
    .today-options {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    .today-options li {
        padding: 14px 16px;
    }
    .learning-page .page-hero {
        min-height: 120px;
    }
    .learning-path-content .learning-loop {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .learning-path-content .request-diagram {
        padding: 18px;
    }
    .learning-path-content .request-flow {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .learning-path-content .request-flow li:not(:last-child)::after {
        content: "\2193";
        top: auto;
        right: auto;
        bottom: -31px;
        left: 50%;
        transform: translateX(-50%);
        line-height: 30px;
    }
    .learning-path-content .request-flow p br {
        display: none;
    }
    .learning-path-content .practice-gate,
    .learning-path-content .practice-next,
    .learning-path-content .explain-script {
        padding: 16px;
    }
}