/*
 * KaiLab Glossary
 * Bright Scientific Neumorphism
 * 2026-08
 *
 * Design principles
 * - Page background: white
 * - Blue-first scientific palette
 * - No black outlines
 * - Restrained neumorphic shadows
 * - Compact radii (especially "30秒でわかる")
 * - Responsive and accessible
 */

:root {
    --kg-white: #ffffff;
    --kg-ink: #294e78;
    --kg-ink-deep: #173f73;
    --kg-text: #344054;
    --kg-text-sub: #64748b;
    --kg-blue: #4fa3ff;
    --kg-blue-mid: #6f88b6;
    --kg-blue-soft: #dce6f5;
    --kg-blue-pale: #f4f8fd;
    --kg-line: #e4ebf4;
    --kg-teal: #4ec7c1;
    --kg-teal-soft: #eaf9f7;
    --kg-muted: #94a3b8;

    --kg-radius-xs: 8px;
    --kg-radius-sm: 12px;
    --kg-radius-md: 16px;
    --kg-radius-lg: 20px;
    --kg-radius-pill: 999px;

    --kg-shadow-soft:
        6px 6px 16px rgba(123, 150, 180, 0.10),
        -5px -5px 14px rgba(255, 255, 255, 0.95);

    --kg-shadow-card:
        0 10px 26px rgba(63, 94, 134, 0.08);

    --kg-shadow-hover:
        0 14px 32px rgba(63, 94, 134, 0.12);

    --kg-content-width: 900px;
    --kg-reading-width: 760px;
}

/* ==================================================
   Shared
   ================================================== */

.kailab-glossary-single,
.kailab-glossary-archive {
    color: var(--kg-text);
    background: var(--kg-white);
}

.kailab-glossary-single *,
.kailab-glossary-archive * {
    box-sizing: border-box;
}

.kailab-glossary-single a,
.kailab-glossary-archive a {
    text-underline-offset: 0.18em;
}

.kailab-glossary-single img,
.kailab-glossary-archive img,
.kailab-glossary-single svg,
.kailab-glossary-archive svg {
    max-width: 100%;
    height: auto;
}

/* ==================================================
   Single glossary page
   ================================================== */

.kailab-glossary-single {
    padding: 3.25rem 1.25rem 6rem;
    background: #ffffff;
}

.kailab-glossary-single-container {
    width: 100%;
    max-width: var(--kg-content-width);
    margin: 0 auto;
}

.kailab-glossary-back {
    margin-bottom: 2rem;
}

.kailab-glossary-back a {
    color: var(--kg-blue-mid);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
}

.kailab-glossary-back a:hover {
    color: var(--kg-ink);
}

/* HERO: open layout, not a large card */
.kailab-glossary-hero,
.kailab-glossary-header {
    margin: 0 0 3.5rem;
    padding: 0;
    background: transparent;
    border-radius: 0;
    box-shadow: none;
}

.kailab-glossary-hero-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin: 0 0 1.15rem;
}

.kailab-glossary-hero-category,
.kailab-glossary-label {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 0.35rem 0.78rem;
    border: 1px solid var(--kg-line);
    border-radius: var(--kg-radius-pill);
    background: #ffffff;
    color: var(--kg-blue-mid);
    font-size: 0.8rem;
    font-weight: 700;
    line-height: 1;
    box-shadow: 3px 3px 9px rgba(123, 150, 180, 0.08);
}

.kailab-glossary-single-title {
    margin: 0 0 0.35rem;
    color: var(--kg-ink-deep);
    font-size: clamp(2.15rem, 5.8vw, 3.55rem);
    font-weight: 700;
    line-height: 1.24;
    letter-spacing: -0.02em;
}

.kailab-glossary-single-english,
.kailab-glossary-english {
    margin: 0 0 1.1rem;
    color: var(--kg-blue);
    font-size: 1.02rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.kailab-glossary-single-difficulty,
.kailab-glossary-difficulty {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin: 0 0 1.5rem;
}

.kailab-glossary-difficulty-label {
    color: var(--kg-text-sub);
    font-size: 0.82rem;
    font-weight: 600;
}

.kailab-glossary-difficulty-stars,
.kailab-glossary-stars {
    color: var(--kg-ink);
    font-size: 0.98rem;
    letter-spacing: 0.10em;
}

.kailab-glossary-single-catchphrase,
.kailab-glossary-catchphrase {
    max-width: var(--kg-reading-width);
    margin: 0;
    color: var(--kg-ink);
    font-size: clamp(1.18rem, 2.8vw, 1.45rem);
    font-weight: 700;
    line-height: 1.8;
}

/* Content */
.kailab-glossary-content {
    max-width: 100%;
    color: var(--kg-text);
    font-size: 1rem;
    line-height: 1.9;
}

.kailab-glossary-content p {
    max-width: var(--kg-reading-width);
}

.kailab-glossary-section {
    margin: 0 0 3.75rem;
}

/* ==================================================
   Section heading + pictogram
   ver1.2
   ================================================== */

.kailab-glossary-section-heading {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: 0.8rem;

    margin: 0 0 1.35rem;
}

.kailab-glossary-section-heading > * {
    margin-top: 0;
    margin-bottom: 0;
}



/* ==================================================
   Pictogram
   ================================================== */

.kailab-glossary-pictogram {
    flex: 0 0 42px;

    width: 62px !important;
    height: 62px !important;

    margin: 0 !important;
}

.kailab-glossary-pictogram img {
    display: block;

    width: 62px !important;
    height: 62px !important;

    object-fit: contain;
}

/* H2 */

.kailab-glossary-section-heading h2 {
    margin: 0 !important;
    padding: 0;

    color: var(--kg-ink);

    font-size: clamp(
        1.32rem,
        3.8vw,
        1.72rem
    );

    font-weight: 700;
    line-height: 1.45;
}

/* H2直後の最初のブロック */
.kailab-glossary-detail
.kailab-glossary-section-heading + * {
    margin-top: 0 !important;
}
/* 段落 */
.kailab-glossary-detail > p {
    margin-top: 0 !important;
    margin-left: 0 !important;
    margin-bottom: 1.15rem !important;
}

/* 本文中のH3 */
.kailab-glossary-detail > h3 {
    margin-top: 2rem !important;
    margin-bottom: 0.7rem !important;

    color: var(--kg-ink);
    font-size: 1.12rem;
    font-weight: 700;
    line-height: 1.6;
}

/* ==================================================
   30秒でわかる
   User requested smaller corner radius.
   ================================================== */

.kailab-glossary-quick {
    position: relative;
    padding: 1.75rem 1.9rem;
    background: #ffffff;
    border: 1px solid var(--kg-line);
    border-radius: var(--kg-radius-sm); /* 12px */
    box-shadow: var(--kg-shadow-card);
}

.kailab-glossary-quick > :first-child {
    margin-top: 0;
}

.kailab-glossary-quick > :last-child {
    margin-bottom: 0;
}

/* ==================================================
   Visual
   ================================================== */

.kailab-glossary-visual {
    padding: 2.1rem 1.75rem;
    background: #ffffff;
    border: 1px solid var(--kg-line);
    border-radius: var(--kg-radius-sm);
    text-align: center;
    box-shadow: 0 8px 24px rgba(63, 94, 134, 0.06);
    overflow: hidden;
}

/* ==================================================
   3 min
   ================================================== */

.kailab-glossary-detail {
    padding: 0 2rem;
}

/* ==================================================
   "このサイトでは"
   ================================================== */

.kailab-glossary-site {
    padding: 1.35rem 1.5rem;
    background: #fbfdff;
    border: 1px solid var(--kg-line);
    border-radius: var(--kg-radius-sm);
    box-shadow:
        inset 3px 3px 8px rgba(120, 145, 175, 0.06),
        inset -3px -3px 8px rgba(255, 255, 255, 0.95);
}

/* ==================================================
   Research connection
   ================================================== */

.kailab-glossary-research {
    padding: 1.7rem 1.9rem;
    background: linear-gradient(135deg, #f5fcfb 0%, #ffffff 100%);
    border: 1px solid #d8f1ee;
    border-radius: var(--kg-radius-sm);
    box-shadow: 0 9px 24px rgba(58, 149, 144, 0.07);
}


/* optional research relevance chips */
.kailab-glossary-research-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin: 0.35rem 0.35rem 0 0;
    padding: 0.42rem 0.72rem;
    border-radius: var(--kg-radius-pill);
    background: var(--kg-teal-soft);
    color: #287e7a;
    font-size: 0.78rem;
    font-weight: 700;
}

/* ==================================================
   Related terms
   ================================================== */

.kailab-glossary-related {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--kg-line);
}

.kailab-glossary-related-title {
    margin: 0 0 1.35rem;
    color: var(--kg-ink);
    font-size: 1.35rem;
    font-weight: 700;
}

.kailab-glossary-related-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.85rem;
}

.kailab-glossary-related-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 58px;
    padding: 0.85rem 1rem;
    background: #ffffff;
    border: 1px solid var(--kg-line);
    border-radius: var(--kg-radius-sm);
    color: var(--kg-ink);
    font-size: 0.9rem;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 6px 18px rgba(63, 94, 134, 0.06);
    transition:
        transform 0.18s ease,
        box-shadow 0.18s ease,
        border-color 0.18s ease;
}

.kailab-glossary-related-link::after {
    content: "→";
    margin-left: 0.6rem;
    color: var(--kg-blue);
    font-size: 1.05rem;
}

.kailab-glossary-related-link:hover {
    transform: translateY(-2px);
    border-color: #cbdced;
    box-shadow: var(--kg-shadow-hover);
}

.kailab-glossary-related-link:focus-visible,
.kailab-glossary-back a:focus-visible,
.kailab-glossary-category-button:focus-visible,
.kailab-glossary-card-link:focus-visible {
    outline: 3px solid rgba(79, 163, 255, 0.28);
    outline-offset: 3px;
}

.kailab-glossary-bottom-nav {
    margin-top: 3rem;
    text-align: center;
}

.kailab-glossary-bottom-nav a {
    color: var(--kg-blue-mid);
    font-weight: 700;
    text-decoration: none;
}

/* ==================================================
   Archive
   ================================================== */

.kailab-glossary-archive {
    padding: 4rem 1.5rem 6rem;
    background: #ffffff;
}

.kailab-glossary-container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
}

.kailab-glossary-archive-header {
    max-width: 760px;
    margin: 0 auto 3rem;
    text-align: center;
}

.kailab-glossary-archive-title {
    margin: 0 0 1rem;
    color: var(--kg-ink-deep);
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.02em;
}

.kailab-glossary-archive-intro {
    margin: 0;
    color: var(--kg-text-sub);
    font-size: 1.02rem;
    line-height: 1.85;
}

/* Search */
.kailab-glossary-search {
    max-width: 680px;
    margin: 0 auto 2rem;
}

.kailab-glossary-search-box {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.9rem 1.15rem;
    background: #ffffff;
    border: 1px solid var(--kg-line);
    border-radius: var(--kg-radius-sm);
    box-shadow: 0 6px 20px rgba(63, 94, 134, 0.05);
}

.kailab-glossary-search-icon {
    color: var(--kg-blue-mid);
    font-size: 1.3rem;
}

#kailab-glossary-search-input {
    width: 100%;
    padding: 0;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--kg-text);
    font-size: 1rem;
}

#kailab-glossary-search-input::placeholder {
    color: var(--kg-muted);
}

/* Categories */
.kailab-glossary-categories {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.65rem;
    margin: 0 auto 2.5rem;
}

.kailab-glossary-category-button {
    padding: 0.62rem 0.95rem;
    border: 1px solid var(--kg-line);
    border-radius: var(--kg-radius-pill);
    background: #ffffff;
    color: var(--kg-text-sub);
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 2px 2px 8px rgba(123, 150, 180, 0.06);
    transition:
        transform 0.18s ease,
        border-color 0.18s ease,
        background 0.18s ease,
        color 0.18s ease;
}

.kailab-glossary-category-button:hover {
    transform: translateY(-1px);
    border-color: #cfdceb;
    color: var(--kg-ink);
}

.kailab-glossary-category-button.is-active {
    border-color: var(--kg-blue-mid);
    background: var(--kg-blue-mid);
    color: #ffffff;
}

.kailab-glossary-result-info {
    margin-bottom: 1.2rem;
    color: var(--kg-muted);
    font-size: 0.9rem;
}

/* Cards */
.kailab-glossary-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.1rem;
}

.kailab-glossary-card {
    height: 100%;
}

.kailab-glossary-card[hidden] {
    display: none;
}

.kailab-glossary-card-link {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 1.45rem;
    background: #ffffff;
    border: 1px solid var(--kg-line);
    border-radius: var(--kg-radius-sm);
    color: inherit;
    text-decoration: none;
    box-shadow: 0 7px 20px rgba(63, 94, 134, 0.055);
    transition:
        transform 0.18s ease,
        box-shadow 0.18s ease,
        border-color 0.18s ease;
}

.kailab-glossary-card-link:hover {
    transform: translateY(-3px);
    border-color: #d2deeb;
    box-shadow: var(--kg-shadow-hover);
}

.kailab-glossary-card-title {
    margin: 0 0 0.3rem;
    color: var(--kg-ink);
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1.5;
}

.kailab-glossary-card-english {
    margin-bottom: 0.9rem;
    color: var(--kg-blue);
    font-size: 0.84rem;
    line-height: 1.5;
}

.kailab-glossary-card-catchphrase {
    margin: 0 0 1.15rem;
    color: var(--kg-text-sub);
    font-size: 0.93rem;
    line-height: 1.72;
}

.kailab-glossary-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem;
    margin-top: auto;
}

.kailab-glossary-card-difficulty {
    color: var(--kg-ink);
    font-size: 0.84rem;
    letter-spacing: 0.08em;
}

.kailab-glossary-card-arrow {
    color: var(--kg-blue);
    font-size: 1.15rem;
}

.kailab-glossary-no-results {
    padding: 4rem 1rem;
    color: var(--kg-text-sub);
    text-align: center;
}

/* ==================================================
   Optional icon helper
   ================================================== */

.kailab-glossary-heading-with-icon {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.kailab-glossary-icon {
    width: 1.4em;
    height: 1.4em;
    flex: 0 0 auto;
}

/* ==================================================
   Responsive
   ================================================== */

@media (max-width: 900px) {
    .kailab-glossary-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .kailab-glossary-related-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 600px) {

.kailab-glossary-section-heading {
    gap: 0.65rem;
}

    .kailab-glossary-section-heading {
        gap: 0.65rem;
    }

    .kailab-glossary-pictogram {
        flex-basis: 36px;

        width: 36px !important;
        height: 36px !important;
    }

    .kailab-glossary-pictogram img {
        width: 36px !important;
        height: 36px !important;
    }



    .kailab-glossary-single {
        padding: 2rem 0rem 4rem;
    }

    .kailab-glossary-single-container {
        width: calc(100% - 20px);
        max-width: none;
        margin-left: auto;
        margin-right: auto;
    }

    .kailab-glossary-hero,
    .kailab-glossary-header {
        margin-bottom: 2.75rem;
    }

    .kailab-glossary-single-catchphrase,
    .kailab-glossary-catchphrase {
        font-size: 1.15rem;
        line-height: 1.75;
    }

    .kailab-glossary-section {
        margin-bottom: 3rem;
    }

    .kailab-glossary-section h2 {
        font-size: 1.28rem;
    }

    .kailab-glossary-quick,
    .kailab-glossary-research,
    .kailab-glossary-site {
        padding: 1.35rem 1.2rem;
        border-radius: 10px;
    }

    .kailab-glossary-visual {
        padding: 1.3rem 0.85rem;
        border-radius: 10px;
    }

    .kailab-glossary-content {
        font-size: 0.98rem;
        line-height: 1.85;
    }

    .kailab-glossary-related {
        margin-top: 3rem;
    }

    .kailab-glossary-related-list {
        grid-template-columns: 1fr;
        gap: 0.7rem;
    }

    .kailab-glossary-archive {
        padding: 2.5rem 1rem 4rem;
    }

    .kailab-glossary-archive-header {
        margin-bottom: 2rem;
    }

    .kailab-glossary-archive-intro {
        font-size: 0.95rem;
    }

    .kailab-glossary-categories {
        justify-content: flex-start;
    }

    .kailab-glossary-grid {
        grid-template-columns: 1fr;
    }

    .kailab-glossary-card-link {
        padding: 1.3rem;
        border-radius: 10px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .kailab-glossary-card-link,
    .kailab-glossary-related-link,
    .kailab-glossary-category-button {
        transition: none;
    }
}