*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bq-page: #f7f5f2;
    --bq-stone: #ebe6df;
    --bq-stone-line: #ddd5ca;
    --bq-taupe: #7b6f66;
    --bq-taupe-deep: #5f554e;
    --bq-teal: #5d8a86;
    --bq-teal-deep: #456b67;
    --bq-text: #2e2a27;
    --bq-soft: #554d47;
    --bq-white: #ffffff;
    --bq-serif: Georgia, "Times New Roman", serif;
    --bq-sans: "Segoe UI", Arial, sans-serif;
    --bq-round-s: 6px;
    --bq-round-m: 10px;
    --bq-lift: 0 3px 12px rgba(46, 42, 39, .06);
}

html { scroll-behavior: smooth; }
html, body { overflow-x: hidden; }

body {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    background: var(--bq-page);
    color: var(--bq-text);
    font-family: var(--bq-sans);
    font-size: 16px;
    line-height: 1.7;
}

a {
    color: var(--bq-teal-deep);
    text-underline-offset: 3px;
}
a:hover { color: var(--bq-text); }

/* header */
.bq_Header {
    background: var(--bq-stone);
    border-bottom: 1px solid var(--bq-stone-line);
    padding: 18px 16px;
    text-align: center;
}
.bq_Logo {
    display: inline-block;
    font-family: var(--bq-serif);
    font-size: 24px;
    letter-spacing: .06em;
    color: var(--bq-taupe);
    text-decoration: none;
}
.bq_Logo::after {
    content: "";
    display: block;
    width: 28px;
    height: 2px;
    margin: 6px auto 0;
    border-radius: 2px;
    background: var(--bq-teal);
}
.bq_Logo:hover { color: var(--bq-taupe-deep); }

/* intro */
.bq_Intro {
    max-width: 820px;
    margin: 0 auto;
    padding: 46px 16px 24px;
    text-align: center;
}
.bq_PageTitle {
    font-family: var(--bq-serif);
    font-weight: 400;
    font-size: clamp(26px, 4.2vw, 40px);
    line-height: 1.25;
    color: var(--bq-taupe-deep);
}
.bq_Lead {
    max-width: 600px;
    margin: 14px auto 0;
    color: var(--bq-soft);
}
.bq_Date {
    display: inline-block;
    margin-top: 16px;
    font-family: var(--bq-serif);
    font-style: italic;
    font-size: 14px;
    color: var(--bq-teal-deep);
}

/* book-style table of contents */
.bq_Toc {
    width: 100%;
    max-width: 820px;
    margin: 0 auto 30px;
    padding: 0 16px;
}
.bq_TocBox {
    background: var(--bq-white);
    border: 1px solid var(--bq-stone-line);
    border-radius: var(--bq-round-m);
    box-shadow: var(--bq-lift);
    padding: 22px 24px 18px;
}
.bq_TocTitle {
    font-family: var(--bq-serif);
    font-weight: 400;
    font-size: 20px;
    text-align: center;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--bq-taupe);
    margin-bottom: 14px;
}
.bq_TocList { list-style: none; }
.bq_TocList li + li { margin-top: 6px; }
.bq_TocLink {
    display: flex;
    align-items: baseline;
    gap: 6px;
    color: var(--bq-text);
    text-decoration: none;
    font-size: 15px;
}
.bq_TocName { min-width: 0; }
.bq_TocDots {
    flex: 1 1 auto;
    min-width: 18px;
    border-bottom: 2px dotted #b3a99f;
    transform: translateY(-4px);
}
.bq_TocNum {
    flex: 0 0 auto;
    font-family: var(--bq-serif);
    color: var(--bq-taupe-deep);
}
.bq_TocLink:hover .bq_TocName,
.bq_TocLink:focus-visible .bq_TocName { color: var(--bq-teal-deep); text-decoration: underline; }
.bq_TocLink:hover .bq_TocDots { border-bottom-color: var(--bq-teal); }

/* page boxes */
.bq_Sheets {
    width: 100%;
    max-width: 820px;
    margin: 0 auto;
    padding: 0 16px 56px;
}
.bq_Sheet {
    position: relative;
    background: var(--bq-white);
    border: 1px solid var(--bq-stone-line);
    border-radius: var(--bq-round-s);
    box-shadow: var(--bq-lift);
    padding: 40px 30px 28px;
    margin-bottom: 18px;
    scroll-margin-top: 16px;
}
.bq_Running {
    position: absolute;
    top: 12px;
    right: 18px;
    font-family: var(--bq-serif);
    font-size: 12px;
    font-style: italic;
    letter-spacing: .08em;
    color: var(--bq-taupe);
}
.bq_SheetTitle {
    font-family: var(--bq-serif);
    font-weight: 400;
    font-size: clamp(20px, 2.6vw, 24px);
    line-height: 1.3;
    color: var(--bq-taupe-deep);
    padding-bottom: 10px;
    margin-bottom: 14px;
    border-bottom: 1px solid var(--bq-stone);
}
.bq_Text p { margin-bottom: 12px; color: var(--bq-soft); }
.bq_Text p:last-child { margin-bottom: 0; }
.bq_Text strong { color: var(--bq-text); }
.bq_Text ul,
.bq_Text ol {
    list-style: none;
    margin: 0 0 12px;
    color: var(--bq-soft);
}
.bq_Text ul:last-child,
.bq_Text ol:last-child { margin-bottom: 0; }
.bq_Text li {
    position: relative;
    padding-left: 22px;
    margin-bottom: 7px;
}
.bq_Text ul > li::before {
    content: "";
    position: absolute;
    left: 4px;
    top: .7em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    border: 1px solid var(--bq-teal);
}
.bq_Text ol { counter-reset: bqCount; }
.bq_Text ol > li {
    counter-increment: bqCount;
    padding-left: 28px;
}
.bq_Text ol > li::before {
    content: counter(bqCount) ")";
    position: absolute;
    left: 2px;
    top: 0;
    font-family: var(--bq-serif);
    color: var(--bq-teal-deep);
}

.bq_Note {
    margin: 14px 0;
    padding: 14px 16px;
    background: var(--bq-page);
    border: 1px solid var(--bq-stone-line);
    border-left: 3px solid var(--bq-teal);
    border-radius: var(--bq-round-s);
}
.bq_Note p { margin: 0; color: var(--bq-text); font-size: 15px; }

.bq_Rows {
    margin: 12px 0;
    border-top: 1px solid var(--bq-stone);
}
.bq_Row {
    display: grid;
    grid-template-columns: minmax(130px, 36%) 1fr;
    gap: 4px 16px;
    padding: 10px 0;
    border-bottom: 1px solid var(--bq-stone);
    font-size: 15px;
}
.bq_RowKey { font-weight: 600; color: var(--bq-taupe-deep); }
.bq_RowVal { color: var(--bq-soft); }

.bq_Table {
    width: 100%;
    margin: 12px 0;
    border-collapse: collapse;
    font-size: 15px;
}
.bq_Table th {
    text-align: left;
    padding: 10px 12px;
    font-weight: 600;
    font-size: 14px;
    color: var(--bq-taupe-deep);
    background: var(--bq-stone);
    border-bottom: 1px solid var(--bq-stone-line);
}
.bq_Table td {
    padding: 10px 12px;
    color: var(--bq-soft);
    border-bottom: 1px solid var(--bq-stone);
    vertical-align: top;
}

.bq_Chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 12px 0;
}
.bq_Chip {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 999px;
    background: rgba(93, 138, 134, .1);
    border: 1px solid rgba(93, 138, 134, .35);
    font-size: 13px;
    color: var(--bq-teal-deep);
}

.bq_Afterword {
    margin-top: 6px;
    text-align: center;
    font-family: var(--bq-serif);
    font-style: italic;
    font-size: 15px;
    color: var(--bq-taupe-deep);
}

@media (max-width: 560px) {
    .bq_Sheet { padding: 36px 18px 22px; }
    .bq_Running { right: 14px; }
    .bq_TocBox { padding: 18px 16px 14px; }
    .bq_TocLink { font-size: 14px; }
    .bq_Row { grid-template-columns: 1fr; }
    .bq_Table th,
    .bq_Table td { padding: 9px 8px; font-size: 14px; }
    .bq_Intro { padding-top: 36px; }
}

/* footer */
.bq_Bottom {
    margin-top: auto;
    flex-shrink: 0;
    background: var(--bq-stone);
    border-top: 1px solid var(--bq-stone-line);
    padding: 26px 16px 24px;
    text-align: center;
    color: var(--bq-soft);
}
.bq_BottomInner { max-width: 880px; margin: 0 auto; }
.bq_Links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 22px;
    margin-bottom: 14px;
}
.bq_Links a { font-size: 13px; color: var(--bq-teal-deep); }
.bq_Links a:hover { color: var(--bq-text); }
.bq_Copy {
    font-size: 12px;
    margin-bottom: 10px;
    color: var(--bq-taupe-deep);
}
.bq_Legal {
    max-width: 740px;
    margin: 0 auto;
    font-size: 11px;
    line-height: 1.7;
    color: var(--bq-soft);
}