/* SciCirc course catalogue: a printed syllabus feel instead of a generic card grid. */
.scicirc-course-page {
    /* Superr（styles.refero.design cfd0fec1）の紙・墨・マーカー橙。2026-09-02 CEO決定＝土台はSuperr */
    --course-bg: #fdfbf9;
    --course-surface: #fdfbf9;
    --course-surface-hover: #f7efe9;
    --course-ink: #171717;
    --course-muted: #5f574f;
    --course-rule: #bebcbb;
    --course-rule-strong: #2b1a07;
    --course-test: #ce500a;
    background: var(--course-bg);
    color: var(--course-ink);
}

html[data-theme="dark"] .scicirc-course-page,
[data-theme="dark"] .scicirc-course-page {
    --course-bg: #1b1d20;
    --course-surface: #24272b;
    --course-surface-hover: #292d31;
    --course-ink: #eef0f1;
    --course-muted: #aeb4b8;
    --course-rule: #3b4045;
    --course-rule-strong: #727a80;
    --course-test: #e4a54a;
}

.scicirc-course-page .container {
    max-width: 1180px;
    padding: 0 28px;
}

.scicirc-course-page .scicirc-site-header {
    min-height: 76px;
    padding: 20px 0;
    border-bottom: 1px solid var(--course-rule);
}

.scicirc-course-page .scicirc-brand {
    color: inherit;
    text-decoration: none;
}

.scicirc-course-page .logo {
    font-size: 1.65rem;
    letter-spacing: -0.04em;
}

.scicirc-course-page .logo span {
    color: var(--course-ink);
}

.scicirc-course-page .scicirc-site-nav {
    display: flex;
    align-items: center;
    gap: 10px;
}

.scicirc-course-page .scicirc-header-action {
    min-height: 36px;
    padding: 7px 13px;
    border: 1px solid var(--course-rule-strong);
    border-radius: 3px;
    color: var(--course-ink);
    background: transparent;
    box-shadow: none;
    font-size: 0.78rem;
}

.scicirc-course-page .scicirc-header-action:hover {
    border-color: var(--course-accent);
    color: var(--course-accent);
    background: transparent;
    box-shadow: none;
    transform: none;
}

.scicirc-course-page .scicirc-user-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--course-muted);
    font-size: 0.82rem;
}

.scicirc-course-page .scicirc-user-chip img {
    width: 28px;
    height: 28px;
    border: 1px solid var(--course-rule-strong);
    border-radius: 50%;
}

.scicirc-course-page .course-page-intro {
    max-width: 860px;
    margin: 54px 0 36px;
}

.scicirc-course-page .course-page-kicker {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
    color: var(--course-muted);
    font-size: 0.72rem;
    letter-spacing: 0.09em;
}

.scicirc-course-page .course-page-kicker i {
    color: var(--course-accent);
    font-size: 0.75rem;
}

.scicirc-course-page .course-page-title-row {
    display: flex;
    align-items: center;
    gap: 14px;
}

.scicirc-course-page .course-page-title-icon {
    color: var(--course-accent);
    font-size: 1.55rem;
}

.scicirc-course-page .course-page-title {
    margin: 0;
    color: var(--course-ink);
    font-size: clamp(1.65rem, 3vw, 2.2rem);
    line-height: 1.25;
    letter-spacing: 0.02em;
}

.scicirc-course-page .course-page-description {
    max-width: 780px;
    margin: 14px 0 0 36px;
    color: var(--course-muted);
    font-size: 0.87rem;
    line-height: 1.85;
}

.scicirc-course-page .course-page-summary {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    margin: 22px 0 0 36px;
    color: var(--course-muted);
    font-size: 0.76rem;
}

.scicirc-course-page .course-page-summary span {
    padding: 0 16px;
    border-left: 1px solid var(--course-rule-strong);
}

.scicirc-course-page .course-page-summary span:first-child {
    padding-left: 0;
    border-left: 0;
}

.scicirc-course-page .course-page-summary strong {
    color: var(--course-ink);
    font-size: 1rem;
    font-weight: 700;
}

.scicirc-course-page .level-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin: 0 0 30px;
    border-bottom: 1px solid var(--course-rule);
}

.scicirc-course-page .level-tab,
.scicirc-course-page .year-tab {
    position: relative;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: var(--course-muted);
    box-shadow: none;
}

.scicirc-course-page .level-tab {
    gap: 9px;
    padding: 11px 2px 13px;
    font-size: 0.88rem;
    letter-spacing: 0.02em;
}

.scicirc-course-page .level-tab::after {
    position: absolute;
    right: 0;
    bottom: -1px;
    left: 0;
    height: 3px;
    background: transparent;
    content: "";
}

.scicirc-course-page .level-tab.is-active {
    color: var(--course-accent) !important;
    background: transparent !important;
    border: 0 !important;
}

.scicirc-course-page .level-tab.is-active::after {
    background: var(--course-accent);
}

.scicirc-course-page .level-tab:hover,
.scicirc-course-page .year-tab:hover {
    color: var(--course-ink);
    background: transparent;
    border-color: transparent;
}

.scicirc-course-page .level-tab__count,
.scicirc-course-page .year-tab__count {
    color: var(--course-muted);
    font-size: 0.7rem;
    opacity: 1;
}

.scicirc-course-page .year-tabs {
    gap: 18px;
    margin: 0 0 20px;
    padding: 0;
}

.scicirc-course-page .year-tab {
    gap: 7px;
    padding: 6px 0 8px;
    font-size: 0.78rem;
    font-weight: 700;
}

.scicirc-course-page .year-tab::after {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 2px;
    background: transparent;
    content: "";
}

.scicirc-course-page .year-tab.is-active {
    color: var(--course-accent) !important;
    background: transparent !important;
    border: 0 !important;
}

.scicirc-course-page .year-tab.is-active::after {
    background: var(--course-accent);
}

.scicirc-course-page .level-section {
    margin-bottom: 54px;
}

















/*
 * レッスン1本ごとの進み具合。

/* 教えたレッスン。教科の色で塗る */

/* 合格したテスト */

/* 受けたが、まだ合格していないテスト。塗らずに太らせるだけ */

/* 済んだ手前から次へ伸びる線も、済んだ色にする */






.scicirc-course-page .social-sub-switch,
.scicirc-course-page .science-sub-switch {
    gap: 18px;
    margin: 0 0 28px;
    padding: 0 0 9px;
    border: 0;
    border-bottom: 1px solid var(--course-rule);
    border-radius: 0;
    background: transparent;
    width: fit-content;
}

.scicirc-course-page .social-sub-btn,
.scicirc-course-page .science-sub-btn {
    padding: 4px 0;
    border: 0 !important;
    border-bottom: 2px solid transparent !important;
    border-radius: 0;
    color: var(--course-muted);
    background: transparent !important;
    font-size: 0.8rem;
}

.scicirc-course-page .social-sub-btn:hover,
.scicirc-course-page .science-sub-btn:hover {
    color: var(--course-ink);
    background: transparent !important;
}

.scicirc-course-page .social-sub-btn[class*="active"],
.scicirc-course-page .science-sub-btn[class*="active"] {
    color: var(--course-accent);
    border-bottom-color: var(--course-accent) !important;
}

.scicirc-course-page .next-year-nav {
    justify-content: flex-start;
    margin-top: 22px;
}

.scicirc-course-page .next-year-btn {
    padding: 8px 0;
    border: 0;
    border-bottom: 1px solid var(--course-rule-strong);
    border-radius: 0;
    color: var(--course-muted);
    background: transparent;
    font-size: 0.78rem;
}

.scicirc-course-page .next-year-btn:hover {
    color: var(--course-accent);
    border-color: var(--course-accent);
    background: transparent;
    transform: none;
}

.scicirc-course-page .catalog-message {
    padding: 44px 24px;
    border: 1px solid var(--course-rule);
    background: var(--course-surface);
    text-align: center;
}

.scicirc-course-page .catalog-message--error {
    padding: 18px 20px;
    border-color: #b94a48;
    color: #a83b39;
    text-align: left;
}

.scicirc-course-page .catalog-message__icon {
    margin-bottom: 12px;
    color: var(--course-accent);
    font-size: 1.7rem;
}

.scicirc-course-page .catalog-message h3 {
    margin-bottom: 8px;
}

.scicirc-course-page .catalog-message p:last-child {
    color: var(--course-muted);
    font-size: 0.84rem;
}

.scicirc-course-page .course-page-backlink {
    margin: 42px 0 64px;
    text-align: center;
}

.scicirc-course-page .course-page-backlink a {
    color: var(--course-muted);
    font-size: 0.8rem;
    text-decoration: none;
}

.scicirc-course-page .course-page-backlink a:hover {
    color: var(--course-accent);
}

.scicirc-course-page .scicirc-site-footer {
    margin-top: 0;
    padding: 28px 20px;
    border-top: 1px solid var(--course-rule);
    color: var(--course-muted);
    font-size: 0.72rem;
    text-align: center;
}



@media (max-width: 640px) {
    .scicirc-course-page .container {
        padding: 0 17px;
    }

    .scicirc-course-page .scicirc-site-header {
        min-height: 0;
        padding: 16px 0;
    }

    .scicirc-course-page .scicirc-site-nav {
        gap: 6px;
    }

    .scicirc-course-page .scicirc-header-action {
        padding: 6px 8px;
        font-size: 0.7rem;
    }

    .scicirc-course-page .scicirc-user-chip span {
        display: none;
    }

    .scicirc-course-page .course-page-intro {
        margin: 36px 0 28px;
    }

    .scicirc-course-page .course-page-description,
    .scicirc-course-page .course-page-summary {
        margin-left: 0;
    }

    .scicirc-course-page .course-page-title-icon {
        font-size: 1.25rem;
    }

    .scicirc-course-page .course-page-title {
        font-size: 1.55rem;
    }

    .scicirc-course-page .course-page-summary {
        gap: 8px 0;
    }

    .scicirc-course-page .course-page-summary span:last-child {
        width: 100%;
        padding-left: 0;
        border-left: 0;
    }

    .scicirc-course-page .level-tabs {
        gap: 16px;
    }




    .scicirc-course-page .social-sub-switch,
    .scicirc-course-page .science-sub-switch {
        max-width: 100%;
        gap: 13px;
        overflow-x: auto;
    }
}

/* 2026-09-02: 上下の「科目選択に戻る」が素のリンクで出ていたので、主要リンクと同じ見た目に */
.sc-breadcrumb { margin: 12px 0 0; font-size: .85rem; }
.sc-breadcrumb a,
.course-page-backlink a {
    color: var(--sc-accent);
    text-decoration: none;
    font-weight: 600;
}
.sc-breadcrumb a:hover,
.course-page-backlink a:hover { text-decoration: underline; }
.course-page-backlink { margin: 40px 0 20px; font-size: .9rem; }

/* ── 講座一覧＝目次（2026-09-02）。同じ形のカードを3列に並べる形をやめ、番号つきの行にする。
   土台はSuperr（紙・墨・橙）、組版はNotionの読み物（1行1講座・罫線だけで区切る）、
   進み具合のしるしだけDuolingoの部品（丸いバー・厚みのあるボタン）。 */
.scicirc-course-page .toc-note { margin: 0 0 10px; color: var(--course-muted); font-size: .82rem; }
.scicirc-course-page .toc {
    list-style: none;
    margin: 0;
    padding: 0;
    counter-reset: toc;
    border-top: 1px solid var(--course-rule-strong);
}
.scicirc-course-page .toc-row {
    display: grid;
    grid-template-columns: 3rem minmax(0, 1fr) auto;
    gap: 0 16px;
    align-items: baseline;
    padding: 14px 6px;
    border-bottom: 1px solid var(--course-rule);
    color: var(--course-ink);
    text-decoration: none;
    transition: background 120ms ease;
}
.scicirc-course-page .toc-row:hover { background: var(--course-surface-hover); }
.scicirc-course-page .toc-row[aria-disabled="true"] { opacity: .5; pointer-events: none; }
.scicirc-course-page .toc-row__num::before {
    counter-increment: toc;
    content: counter(toc, decimal-leading-zero);
    font-variant-numeric: tabular-nums;
    font-size: .82rem;
    font-weight: 700;
    letter-spacing: .04em;
    color: var(--course-muted);
}
.scicirc-course-page .toc-row__name {
    display: block;
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.45;
}
.scicirc-course-page .toc-row__badge {
    margin-left: 6px;
    font-size: .72rem;
    font-weight: 500;
    color: var(--course-muted);
}
.scicirc-course-page .toc-row__desc {
    display: block;
    margin-top: 2px;
    color: var(--course-muted);
    font-size: .86rem;
    line-height: 1.65;
}
.scicirc-course-page .toc-row__side {
    color: var(--course-muted);
    font-size: .78rem;
    white-space: nowrap;
    text-align: right;
}
.scicirc-course-page .toc-row.is-passed .toc-row__side { color: var(--course-test); font-weight: 700; }
.scicirc-course-page .toc-row.is-started .toc-row__side { color: var(--course-ink); font-weight: 700; }
.scicirc-course-page .toc-row__bar {
    display: inline-block;
    width: 64px;
    height: 8px;
    margin-left: 8px;
    border: 1px solid var(--course-rule-strong);
    border-radius: 999px;
    overflow: hidden;
    vertical-align: middle;
    background: var(--course-surface);
}
.scicirc-course-page .toc-row__bar i { display: block; height: 100%; background: var(--course-accent); }

.scicirc-course-page .resume {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 24px;
    margin: 28px 0 8px;
    padding: 22px 26px;
    border: 1px solid var(--course-rule-strong);
    border-radius: 12px;
    background: var(--course-surface-hover);
}
.scicirc-course-page .resume__text { min-width: 0; }
.scicirc-course-page .resume__text p { margin: 0; }
.scicirc-course-page .resume__eyebrow { color: var(--course-test); font-size: .9rem; }
.scicirc-course-page .resume__title { margin-top: 2px !important; font-size: 1.35rem; font-weight: 700; line-height: 1.3; }
.scicirc-course-page .resume__meta { margin-top: 6px !important; color: var(--course-muted); font-size: .88rem; }
.scicirc-course-page .resume__btn {
    display: inline-flex;
    align-items: center;
    margin-left: auto;
    padding: 12px 26px;
    border: 1.5px solid var(--course-ink);
    border-radius: 20px;
    background: var(--sc-accent-solid, #ff5f00);
    color: var(--sc-accent-ink, #21242c);
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 3px 0 var(--course-ink);
}
.scicirc-course-page .resume__btn:active { transform: translateY(2px); box-shadow: 0 1px 0 var(--course-ink); }

@media (max-width: 640px) {
    .scicirc-course-page .toc-row { grid-template-columns: 2.2rem minmax(0, 1fr); gap: 0 10px; padding: 12px 2px; }
    .scicirc-course-page .toc-row__side { grid-column: 2; margin-top: 4px; text-align: left; white-space: normal; }
    .scicirc-course-page .resume { padding: 18px; }
    .scicirc-course-page .resume__btn { margin-left: 0; width: 100%; justify-content: center; }
}