/* Public grade 3 guides only. Loaded after the existing article styles. */
body.grade3-reading { font-size: 16px; font-weight: 400; line-height: 1.9; color: #28384c; background: #fff; }
.grade3-reading .public-container { width: min(1100px, calc(100% - 32px)); }
.grade3-reading .public-container.article-shell,
.grade3-reading .article-hero .public-hero-grid { width: min(800px, calc(100% - 32px)); max-width: 800px; }
.grade3-reading .article-hero { padding: 26px 0 20px; border-bottom: 0; }
.grade3-reading .article-hero .public-hero-grid { text-align: left; }
.grade3-reading .article-hero .public-tag { margin: 0 0 12px; font-size: 13px; }
.grade3-reading .article-hero h1 { text-align: left; margin: 0; font-size: clamp(25px, 3.2vw, 35px); line-height: 1.55; letter-spacing: .01em; text-wrap: pretty; }
.grade3-reading .article-hero p { text-align: left; border: 0; background: none; box-shadow: none; padding: 0; margin: 14px 0 0; font-size: 16px; font-weight: 400; line-height: 1.9; }
body.grade3-reading main > section.public-section,
body.grade3-reading main > section.public-section:nth-of-type(n) { background: #fff; padding: 28px 0; }
.grade3-reading main > section.article-conclusion-section { padding-top: 8px; }
.grade3-reading main h2:not(.grade3-lesson *) { font-size: clamp(21px, 2.6vw, 26px); line-height: 1.65; letter-spacing: 0; margin: 0 0 18px; }
.grade3-reading main h3:not(.grade3-lesson *) { line-height: 1.7; }
.grade3-reading main p:not(.grade3-lesson *),
.grade3-reading main li:not(.grade3-lesson *) { font-weight: 400; line-height: 1.95; }
.grade3-reading main p:not(.grade3-lesson *) { margin-bottom: 1em; }
.grade3-reading main a:not(.public-btn):not(.grade3-next-link):not(.article-link-card) { text-underline-offset: .22em; }
.grade3-reading .public-card { box-shadow: none; border-color: #dce3eb; border-radius: 12px; padding: clamp(18px, 3vw, 28px); }
.grade3-reading .article-conclusion-section > .article-shell > .public-card { background: #f2f7fd; border: 1px solid #cfdef0; border-top: 0; }
.grade3-reading .article-conclusion-section > .article-shell > h2 { font-size: 14px; color: #325e99; margin-bottom: 10px; }
.grade3-reading .grade3-answer { font-size: 18px; line-height: 1.9; }
.grade3-reading .grade3-answer strong { color: #163b70; font-weight: 700; }
.grade3-reading .grade3-keypoints { margin: 16px 0 0; padding-left: 1.3em; font-size: 16px; }
.grade3-reading .grade3-keypoints li { margin: 0 0 12px; padding-left: 3px; }
.grade3-reading .grade3-keypoints li:last-child { margin-bottom: 0; }
.grade3-reading .grade3-keypoints strong { font-weight: 700; color: #163b70; }
body.grade3-reading main > section.grade3-toc-section { padding: 8px 0 24px; }
.grade3-reading .grade3-toc { margin: 0; padding: 16px 20px; border: 1px solid #dce3eb; border-radius: 10px; background: #fff; }
.grade3-reading .grade3-toc summary { display: flex; align-items: center; justify-content: space-between; gap: 12px; cursor: pointer; font-size: 15px; font-weight: 700; }
.grade3-reading .grade3-toc summary::after { content: "＋"; color: #325e99; }
.grade3-reading .grade3-toc[open] summary::after { content: "−"; }
.grade3-reading .grade3-toc ol { display: block; margin: 10px 0 0; padding-left: 1.5em; font-size: 14px; }
.grade3-reading .grade3-toc li { margin: 0; }
.grade3-reading .grade3-toc a { display: inline-block; padding: 7px 0; color: #325e99; line-height: 1.65; }
.grade3-reading main [id] { scroll-margin-top: 100px; }
.grade3-reading .grade3-example { margin-top: 22px; padding-top: 20px; border-top: 1px solid #ccdaea; }
.grade3-reading .grade3-example h3 { font-size: 17px; margin: 0 0 12px; }
.grade3-reading .grade3-formula { display: block; margin: 14px 0; padding: 14px 16px; background: #fff; border: 1px solid #dce3eb; border-radius: 8px; font-size: 18px; font-weight: 700; line-height: 1.75; }
/* Reuse the textbook's comparison-table and journal-grid presentation. */
.grade3-reading .grade3-table-scroll { max-width: 100%; overflow-x: auto; margin: 14px 0; }
.grade3-reading .grade3-table-scroll,
.grade3-reading .grade3-journal-example { font-family: var(--font-body); font-size: 14px; font-weight: 600; line-height: 1.75; color: var(--text-body); }
.grade3-reading .grade3-table.comparison-table { margin: 0; min-width: 440px; text-align: left; }
.grade3-reading .grade3-table caption,
.grade3-reading .grade3-journal-caption { padding: 0 0 10px; text-align: left; color: var(--text-main); font-size: 14px; font-weight: 800; }
.grade3-reading .grade3-table th,
.grade3-reading .grade3-table td { vertical-align: top; }
.grade3-reading .grade3-journal-example { margin: 14px 0; padding: 16px; border: 1px solid var(--border); border-radius: 8px; background: #fff; font-size: 15px; }
.grade3-reading .grade3-journal-scroll { max-width: 100%; overflow-x: auto; }
.grade3-reading .grade3-journal-scroll .journal-grid { min-width: max-content; overflow: visible; }
.grade3-reading .grade3-note { color: #526278; font-size: 14px; }
.grade3-reading .grade3-check { margin: 18px 0 0; padding: 16px 18px; background: #fff; border: 1px solid #b6d6c9; border-left: 3px solid #36795f; border-radius: 8px; }
.grade3-reading .grade3-check p { margin: 0 0 8px; }
.grade3-reading .grade3-check summary { cursor: pointer; display: list-item; list-style: disclosure-closed inside; color: #246448; padding: 8px 0; font-weight: 700; }
.grade3-reading .grade3-check details[open] summary { list-style-type: disclosure-open; }
.grade3-reading .grade3-check details p { padding-top: 10px; }
.grade3-reading .article-textbook-body { background: #fff; }
.grade3-reading .article-textbook-body > .unit-card { margin-bottom: 24px; box-shadow: none; border: 1px solid #d6e1ed; border-radius: 12px; }
.grade3-reading .article-textbook-body .unit-summary { padding: 18px; min-height: 60px; }
.grade3-reading .article-textbook-body .unit-content { padding: clamp(14px, 2.5vw, 24px); }
.grade3-reading .grade3-lesson-section > .public-container.article-shell { width: min(1120px, calc(100% - 32px)); max-width: 1120px; }
.grade3-reading .grade3-lesson-section .grade3-lesson-kicker { margin: 0 0 6px; color: #325e99; font-size: 14px; font-weight: 700; }
.grade3-reading .grade3-lesson-section .grade3-lesson { width: 100%; max-width: none; margin: 20px 0 0; padding: 0; font-family: var(--font-body); font-size: 14px; font-weight: 600; line-height: 1.75; color: var(--text-body); }
.grade3-reading .grade3-lesson > .unit-card { width: 100%; margin: 0 0 24px; box-shadow: none; }
.grade3-reading .grade3-lesson .unit-content { padding: 20px; }
.grade3-reading .grade3-lesson .section-inner { padding: 16px; }
.grade3-reading .grade3-recap-section h2 { font-size: 20px; }
.grade3-reading .grade3-recap { padding: 0; margin: 0; list-style: none; border-top: 1px solid #dce3eb; }
.grade3-reading .grade3-recap li { margin: 0; padding: 16px 0; border-bottom: 1px solid #dce3eb; }
.grade3-reading .grade3-recap > li > strong { display: block; color: #163b70; font-weight: 700; margin-bottom: 8px; }
.grade3-reading main .grade3-recap p { margin: 0; }
.grade3-reading .grade3-next { padding: 26px; background: #f2f7fd; border: 1px solid #cfdef0; border-radius: 12px; }
.grade3-reading .grade3-next h2 { font-size: 23px; margin-bottom: 10px; }
.grade3-reading .grade3-next-link { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 18px; border-radius: 8px; color: #fff; background: #245db0; text-decoration: none; font-weight: 700; line-height: 1.7; }
.grade3-reading .grade3-next-link::after { content: "→"; flex-shrink: 0; font-size: 22px; }
.grade3-reading .grade3-next-link:hover { background: #194b94; }
.grade3-reading .grade3-next-link strong { color: inherit; font-weight: 700; font-size: 18px; }
.grade3-reading .grade3-link-description { display: block; margin-top: 8px; font-size: 14px; font-weight: 400; line-height: 1.85; }
.grade3-reading .grade3-related-heading { margin: 24px 0 4px; font-size: 15px; color: #526278; }
.grade3-reading .grade3-related-list { display: grid; }
.grade3-reading .grade3-related-link { display: block; padding: 16px 0; border-bottom: 1px solid #cfdef0; text-decoration: none; color: #245db0; }
.grade3-reading .grade3-related-link strong { font-size: 16px; font-weight: 700; text-decoration: underline; text-underline-offset: .22em; }
.grade3-reading .grade3-related-link .grade3-link-description { color: #435774; margin-top: 4px; }
.grade3-reading .grade3-related-link:last-child { border-bottom: 0; padding-bottom: 0; }
.grade3-reading .grade3-related-link:hover strong { color: #143d79; }
.grade3-reading .grade3-offer { padding: 0; border: 1px solid #112d4e; border-radius: 16px; background: #112d4e; }
.grade3-reading main .grade3-offer p { line-height: 1.9; }
.grade3-reading .grade3-offer strong { font-weight: 700; }
.grade3-reading .grade3-offer-product { padding: clamp(20px, 3.5vw, 32px) clamp(20px, 3.5vw, 36px); border-radius: 15px; background: #112d4e; color: #e4edf6; }
.grade3-reading main .grade3-offer-product h2 { margin: 0 0 12px; font-size: clamp(19px, 2.3vw, 22px); color: #fff; text-wrap: pretty; }
.grade3-reading .grade3-offer-name { display: inline-block; }
.grade3-reading main .grade3-offer-product p { margin: 0; }
.grade3-reading .grade3-offer-product strong { color: #fff; }
.grade3-reading .grade3-offer-plans { display: flex; flex-direction: column; gap: 16px; margin: 24px 0 12px; }
.grade3-reading .grade3-offer-plan { padding: 18px 20px; border: 1px solid #4c6480; border-radius: 10px; }
.grade3-reading .grade3-offer-plan-recommended { background: #1c4169; border-color: #91b8e5; }
.grade3-reading main .grade3-offer-plan h3 { margin: 0 0 8px; color: #fff; font-size: 18px; }
.grade3-reading main .grade3-offer-plan p { font-size: 15px; }
.grade3-reading main .grade3-offer-plan .grade3-offer-benefit { margin-bottom: 8px; font-size: 16px; }
.grade3-reading main .grade3-offer-plan .grade3-offer-detail { margin-top: 12px; }
.grade3-reading main .grade3-offer-plan .grade3-offer-billing { margin-top: 8px; color: #cedff0; font-size: 14px; }
.grade3-reading .grade3-offer-plan .grade3-offer-button { margin-top: 16px; }
.grade3-reading .grade3-offer-button { display: inline-flex; align-items: center; justify-content: space-between; gap: 18px; max-width: 100%; min-height: 56px; padding: 16px 22px; background: #fff; color: #173653; border-radius: 8px; text-decoration: none; font-size: 16px; font-weight: 700; line-height: 1.65; }
.grade3-reading .grade3-offer-button > span:last-child { flex-shrink: 0; }
.grade3-reading .grade3-offer-button:hover { background: #e9f2fd; }
.grade3-reading .grade3-offer-preview { display: inline-block; padding: 8px 0; color: #e4edf6; font-size: 14px; }
.grade3-reading .grade3-offer-preview:hover { color: #fff; }
.grade3-reading .grade3-offer-product a:focus-visible { outline-color: #9fcaff; }
.grade3-reading .article-category-links { border-top: 1px solid #e3e9f0; }
.grade3-reading .article-category-links h2 { font-size: 18px; }
.grade3-reading .article-category-links p { font-size: 14px; }
.grade3-reading .article-category-links .article-index-list { gap: 10px; }
.grade3-reading .article-category-links .article-index-card { box-shadow: none; padding: 14px 16px; }
.grade3-reading .article-category-links .article-index-card h3 { margin: 0; font-size: 15px; }
.grade3-reading main :is(a, button, summary):focus-visible { outline: 3px solid #2670c9; outline-offset: 4px; border-radius: 4px; }
/* Keep the navy dictionary hero shared with the other learning guides. */
.grade3-hub .dictionary-hero { padding: 32px 0; }
.grade3-hub .dictionary-hero .public-hero-grid { display: block; max-width: 1000px; }
.grade3-hub .dictionary-hero h1 { font-size: clamp(26px, 4vw, 38px); line-height: 1.6; max-width: 850px; }
.grade3-hub .dictionary-hero p { max-width: 760px; }
body.grade3-hub main > section.grade3-toc-section { padding: 28px 0; }
.grade3-hub .grade3-toc-section > .public-container { max-width: 1000px; }
.grade3-hub .article-index-list { grid-template-columns: minmax(0, 1fr); gap: 14px; }
.grade3-hub .article-index-card { padding: 20px 24px; }
.grade3-hub .article-index-card h3 { margin: 0 0 8px; font-size: 18px; }
.grade3-hub .article-index-card h3 a { display: inline-block; color: #173653; text-underline-offset: 4px; }
.grade3-hub .article-index-card h3 a:hover { color: #195dac; }
.grade3-hub main .article-index-card p { margin: 0; font-size: 15px; }
@media (max-width: 640px) {
  .grade3-reading .grade3-table-scroll::before,
  .grade3-reading .grade3-journal-scroll::before { content: "左右にスクロールして確認できます →"; display: block; padding-bottom: 8px; color: var(--text-sub); font-size: 12px; font-weight: 400; }
  .grade3-reading .grade3-offer-plan { padding: 16px 12px; }
  .grade3-reading .article-hero { padding-top: 18px; }
  .grade3-reading .grade3-answer { font-size: 17px; }
  .grade3-reading .grade3-table th, .grade3-reading .grade3-table td { padding: 9px 8px; }
  .grade3-reading .grade3-journal { min-width: 300px; }
  .grade3-reading .grade3-next { padding: 20px; }
  .grade3-reading .grade3-offer-button { width: 100%; padding: 15px 16px; font-size: 15px; gap: 12px; }
  .grade3-reading .grade3-lesson-section > .public-container.article-shell { width: calc(100% - 16px); }
  .grade3-reading .grade3-lesson-section > .article-shell > :is(h2, .grade3-lesson-kicker) { margin-left: 8px; margin-right: 8px; }
  .grade3-reading .grade3-lesson .unit-summary { padding: 14px 12px; }
  /* The legacy guide bundle marks these mobile paddings important. */
  .grade3-reading .grade3-lesson .unit-content { padding: 12px 8px !important; }
  .grade3-reading .grade3-lesson .section-inner { padding: 12px 8px !important; }
  .grade3-reading .grade3-lesson .section-inner .section-inner { padding-left: 0 !important; padding-right: 0 !important; }
  .grade3-reading .grade3-lesson :is(.example-card, .example-part, .lesson-textbook, .lesson-textbook-section) { padding-left: 0; padding-right: 0; }
  .grade3-reading .grade3-lesson :is(.story-box, .intro-why-box) { padding-left: 12px; padding-right: 12px; }
  .grade3-reading .grade3-lesson .net-assets-lead { padding: 0; background: transparent; }
  .grade3-hub .article-index-card { padding: 18px; }
}
@media (prefers-reduced-motion: reduce) { .grade3-reading * { scroll-behavior: auto !important; } }
@media print {
  .grade3-reading .public-nav, .grade3-reading .grade3-toc, .grade3-reading .grade3-offer-section { display: none; }
  .grade3-reading .public-container.article-shell { width: 100%; max-width: none; }
  .grade3-reading .grade3-table-scroll { overflow: visible; }
}