.c175-page {
  --c175-ink: #284958;
  --c175-soft: #eef4f4;
  --c175-line: #c4d3d5;
  color: #21323a;
  background: #fffefa;
}
.c175-page-c175-library-hello { --c175-ink: #22584e; --c175-soft: #edf5f0; --c175-line: #bed8cb; }
.c175-page-c175-bookshop-boundary { --c175-ink: #2d526d; --c175-soft: #eef4f9; --c175-line: #bed1df; }
.c175-page-c175-bridge-agreement { --c175-ink: #304668; --c175-soft: #edf1f8; --c175-line: #c4d0e1; }
.c175-page-c175-home-restart { --c175-ink: #754732; --c175-soft: #faf0e8; --c175-line: #e6cbb9; }
.c175-page-c175-window-app-choice { --c175-ink: #673b58; --c175-soft: #f8eef5; --c175-line: #dfc9d9; }
.c175-page * { box-sizing: border-box; }
.c175-page :focus-visible { outline: 3px solid #b15b35; outline-offset: 3px; }
.c175-hero { padding: clamp(1.5rem, 4vw, 4rem) 0 2.5rem; background: linear-gradient(175deg, var(--c175-soft), #fffefa 68%); }
.c175-hero-grid { display: grid; grid-template-areas: "copy cover" "after cover"; grid-template-columns: minmax(0, 1fr) minmax(0, .91fr); grid-template-rows: auto 1fr; align-items: start; column-gap: clamp(1.5rem, 4vw, 4rem); row-gap: .8rem; }
.c175-hero-copy { grid-area: copy; min-width: 0; }
.c175-hero-after { grid-area: after; min-width: 0; }
.c175-breadcrumb { display: flex; flex-wrap: wrap; gap: .6rem; margin-bottom: 1.4rem; color: #4b6265; font-size: .91rem; }
.c175-breadcrumb a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.c175-eyebrow { color: var(--c175-ink); font-weight: 800; letter-spacing: .1em; line-height: 1.35; text-transform: uppercase; font-size: .75rem; }
.c175-hero h1 { max-width: 16ch; margin: .5rem 0 .9rem; color: var(--c175-ink); font-family: Georgia, serif; font-size: clamp(2.1rem, 4.15vw, 4.2rem); line-height: 1.1; letter-spacing: -.035em; }
.c175-opening { max-width: 66ch; margin: 0 0 1.1rem; font-size: 1.05rem; line-height: 1.65; }
.c175-answer { max-width: 66ch; margin: 1.1rem 0; padding: 1rem 1.2rem; background: white; border: 1px solid var(--c175-line); border-left: 5px solid var(--c175-ink); border-radius: .55rem; box-shadow: 0 8px 24px rgba(22, 42, 45, .05); }
.c175-answer h2 { margin: 0 0 .4rem; color: var(--c175-ink); font-size: 1rem; }
.c175-answer p { margin: 0; line-height: 1.6; }
.c175-byline { margin: .4rem 0 .2rem; color: #40595c; font-size: .88rem; line-height: 1.55; overflow-wrap: anywhere; }
.c175-byline a { color: var(--c175-ink); text-decoration-thickness: 1px; text-underline-offset: 3px; }
.c175-byline a:first-child { font-weight: 700; }
.c175-meta { color: #526265; font-size: .84rem; }
.c175-cover { grid-area: cover; min-width: 0; margin: .5rem 0 0; }
.c175-cover picture, .c175-cover img { display: block; width: 100%; }
.c175-cover img { height: auto; border-radius: .65rem; box-shadow: 0 15px 45px rgba(22, 42, 45, .13); }
.c175-cover figcaption { margin-top: .65rem; color: #4b6175; font-size: .79rem; line-height: 1.5; }
.c175-cover a { color: var(--c175-ink); }
.c175-body { display: grid; grid-template-columns: minmax(12rem, .27fr) minmax(0, 1fr); column-gap: clamp(1.7rem, 5vw, 5rem); padding-top: 2.5rem; padding-bottom: 4rem; }
.c175-toc { align-self: start; position: sticky; top: 1rem; grid-row: span 4; font-size: .9rem; }
.c175-toc strong { display: block; color: var(--c175-ink); margin-bottom: .7rem; }
.c175-toc div { display: grid; gap: .5rem; }
.c175-toc a { color: #435c60; text-decoration: none; line-height: 1.35; }
.c175-toc a:hover { text-decoration: underline; }
.c175-flow > section { scroll-margin-top: 5rem; max-width: 76ch; margin: 0 0 clamp(2rem, 5vw, 4rem); }
.c175-flow h2, .c175-next h2, .c175-sources h2, .c175-faq h2 { color: var(--c175-ink); font-family: Georgia, serif; font-size: clamp(1.55rem, 2.3vw, 2.25rem); line-height: 1.2; }
.c175-flow p { font-size: 1.03rem; line-height: 1.75; }
.c175-section { border-top: 1px solid var(--c175-line); padding-top: 1.1rem; }
.c175-example, .c175-decision { padding: clamp(1.2rem, 2.6vw, 2rem); border-radius: .8rem; }
.c175-example { background: var(--c175-soft); }
.c175-example dl { margin: 1.3rem 0; display: grid; gap: .7rem; }
.c175-example dl > div { display: grid; grid-template-columns: minmax(5rem, .2fr) 1fr; gap: .7rem; align-items: start; }
.c175-example dt { color: var(--c175-ink); font-weight: 800; }
.c175-example dd { margin: 0; padding: .7rem 1rem; background: #fffefa; border: 1px solid var(--c175-line); border-radius: .6rem; line-height: 1.6; }
.c175-example-lesson { border-top: 1px solid var(--c175-line); padding-top: 1rem; font-weight: 650; }
.c175-decision { border: 1px solid var(--c175-line); background: #fff; }
.c175-decision ul { list-style: none; margin: 1.1rem 0 0; padding: 0; display: grid; gap: .7rem; }
.c175-decision li { border-left: 4px solid var(--c175-ink); background: var(--c175-soft); padding: .8rem 1rem; }
.c175-decision strong { color: var(--c175-ink); }
.c175-decision li p { margin: .25rem 0 0; }
.c175-next, .c175-sources, .c175-faq { grid-column: 2; max-width: 76ch; margin-top: 1rem; padding-top: 1.3rem; border-top: 1px solid var(--c175-line); }
.c175-sources, .c175-faq { scroll-margin-top: 5rem; }
.c175-next div { display: flex; flex-wrap: wrap; gap: .7rem; }
.c175-next a { display: inline-block; padding: .75rem .95rem; border: 1px solid var(--c175-line); border-radius: .5rem; color: var(--c175-ink); font-weight: 700; }
.c175-sources p, .c175-sources li, .c175-faq p { line-height: 1.65; }
.c175-sources ul { padding-left: 1.2rem; }
.c175-sources li { margin: 1.2rem 0; }
.c175-sources small { display: block; color: #53666a; }
.c175-faq details { border-bottom: 1px solid var(--c175-line); padding: .85rem 0; }
.c175-faq summary { color: var(--c175-ink); font-weight: 750; cursor: pointer; }
.c175-page-c175-library-hello .c175-hero-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.c175-page-c175-library-hello .c175-answer { border-left: 1px solid var(--c175-line); border-top: 5px solid var(--c175-ink); }
.c175-page-c175-library-hello .c175-example { border-left: 6px solid var(--c175-ink); border-radius: .2rem 1rem 1rem .2rem; }
.c175-page-c175-library-hello .c175-example dl > div { display: block; padding: .9rem 1rem; background: #fffefa; border: 1px solid var(--c175-line); border-radius: .7rem; }
.c175-page-c175-library-hello .c175-example dt { margin-bottom: .35rem; }
.c175-page-c175-library-hello .c175-example dd { padding: 0; border: 0; background: transparent; }
.c175-page-c175-bookshop-boundary .c175-hero-grid { grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); }
.c175-page-c175-bookshop-boundary .c175-answer { border-radius: 1.1rem .25rem; }
.c175-page-c175-bookshop-boundary .c175-decision { border-top: 5px solid var(--c175-ink); }
.c175-page-c175-bookshop-boundary .c175-decision li { display: grid; grid-template-columns: minmax(6rem, .44fr) minmax(0, 1fr); align-items: start; gap: .75rem; }
.c175-page-c175-bookshop-boundary .c175-decision li p { margin: 0; }
.c175-page-c175-bridge-agreement .c175-hero-grid { grid-template-columns: minmax(0, .96fr) minmax(0, 1.04fr); }
.c175-page-c175-bridge-agreement .c175-example { border-top: 5px solid var(--c175-ink); border-radius: .25rem 1.15rem; }
.c175-page-c175-bridge-agreement .c175-example dl { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: stretch; }
.c175-page-c175-bridge-agreement .c175-example dl > div { display: flex; flex-direction: column; gap: .5rem; padding: 1rem; background: #fffefa; border: 1px solid var(--c175-line); border-radius: .7rem; }
.c175-page-c175-bridge-agreement .c175-example dd { flex: 1; padding: 0; background: transparent; border: 0; }
.c175-page-c175-bridge-agreement .c175-decision li { background: #f4fafc; }
.c175-page-c175-home-restart .c175-hero-grid { grid-template-columns: minmax(0, .93fr) minmax(0, 1.07fr); }
.c175-page-c175-home-restart .c175-cover img { border-radius: 1.25rem .25rem; }
.c175-page-c175-home-restart .c175-decision { border-left: 7px solid var(--c175-ink); }
.c175-page-c175-home-restart .c175-example dl > div { display: block; }
.c175-page-c175-home-restart .c175-example dt { margin-bottom: .3rem; }
.c175-page-c175-home-restart .c175-example dd { max-width: 88%; border-radius: .9rem .9rem .9rem .2rem; }
.c175-page-c175-home-restart .c175-example dl > div:nth-child(even) dt { text-align: right; }
.c175-page-c175-home-restart .c175-example dl > div:nth-child(even) dd { margin-left: auto; border-radius: .9rem .9rem .2rem .9rem; background: #fff8ee; }
.c175-page-c175-window-app-choice .c175-hero-grid { grid-template-columns: minmax(0, 1.03fr) minmax(0, .97fr); }
.c175-page-c175-window-app-choice .c175-answer { border-left: 1px solid var(--c175-line); border-bottom: 5px solid var(--c175-ink); }
.c175-page-c175-window-app-choice .c175-section { border-top: 0; border-left: 3px solid var(--c175-line); padding: .4rem 0 .4rem 1.25rem; }
.c175-page-c175-window-app-choice .c175-decision { border-radius: 1.15rem .25rem; }
.c175-page-c175-window-app-choice .c175-decision li:first-child { border-left: 0; border-radius: .7rem; background: var(--c175-ink); color: #fff; padding: 1.1rem; }
.c175-page-c175-window-app-choice .c175-decision li:first-child strong { color: #fff; }
.c175-page-c175-window-app-choice .c175-decision li:not(:first-child) { display: grid; grid-template-columns: minmax(9rem, .48fr) minmax(0, 1fr); gap: .75rem; }
.c175-page-c175-window-app-choice .c175-decision li:not(:first-child) p { margin: 0; }
@media (max-width: 900px) {
  .c175-hero-grid { grid-template-areas: "copy" "cover" "after"; grid-template-columns: 1fr; grid-template-rows: auto; row-gap: 1.2rem; }
  .c175-page-c175-library-hello .c175-hero-grid,
  .c175-page-c175-bookshop-boundary .c175-hero-grid,
  .c175-page-c175-bridge-agreement .c175-hero-grid,
  .c175-page-c175-home-restart .c175-hero-grid,
  .c175-page-c175-window-app-choice .c175-hero-grid { grid-template-columns: 1fr; }
  .c175-cover { max-width: 44rem; }
  .c175-body { grid-template-columns: 1fr; }
  .c175-toc { position: static; grid-row: auto; margin-bottom: 2rem; }
  .c175-toc div { display: flex; flex-wrap: wrap; gap: .7rem 1rem; }
  .c175-next, .c175-sources, .c175-faq { grid-column: 1; }
}
@media (max-width: 540px) {
  .c175-hero { padding-top: 1.1rem; }
  .c175-breadcrumb { margin-bottom: .8rem; }
  .c175-hero h1 { font-size: clamp(1.95rem, 9vw, 2.55rem); margin-bottom: .7rem; }
  .c175-opening { font-size: .97rem; line-height: 1.55; }
  .c175-answer { margin: .65rem 0; padding: .75rem .9rem; }
  .c175-answer p { font-size: .95rem; line-height: 1.55; }
  .c175-meta { margin-bottom: 0; }
  .c175-cover { margin-top: 0; }
  .c175-body { padding-top: 1.6rem; }
  .c175-example dl > div { grid-template-columns: 1fr; gap: .25rem; }
  .c175-page-c175-bridge-agreement .c175-example dl { grid-template-columns: 1fr; }
  .c175-page-c175-window-app-choice .c175-decision li:not(:first-child) { grid-template-columns: 1fr; gap: .25rem; }
  .c175-flow p { font-size: .98rem; line-height: 1.62; }
  .c175-decision li p { display: block; }
}