/* 理科の伴走 / LP初稿 2026-10-11. Scoped to an independent landing page. */
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@media(max-width:359px){.wrap,.narrow{width:calc(100% - 32px)}.hero h1{font-size:29px}.hero-sub{font-size:16px}.hero-photo img{height:200px}.course-panel{padding-inline:16px}.brand-name{font-size:21px}.header nav{font-size:10px}.section-head{font-size:25px}.sticky span.label{display:none}.sticky .btn{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media print{.preview-note{background:white!important;color:#111!important;border-bottom:1px solid #aaa}.header nav,.sticky,.skip{display:none!important}.section,.sample,.courses,.final-offer,.use{padding-block:36px}.wrap,.narrow{width:100%}.hero{padding:25px 0}.hero h1{font-size:34px}.section-head{font-size:27px}.hero-grid{gap:25px}.hero-photo img{max-height:440px}.maker-grid,.making-grid{gap:30px}.maker-heading h2{font-size:33px}.offer-card,.course-panel,.sample-box,.maker-grid,.making-grid,.steps li,details{break-inside:avoid}.footer{padding:30px 0}.btn{box-shadow:none}.final-grid{grid-template-columns:1fr 180px}body{-webkit-print-color-adjust:exact;print-color-adjust:exact;font-size:13px}.small{font-size:11px}}

/* v2: readable links and crawlable, no-JavaScript course list. */
.all-courses{max-width:920px;margin:24px auto 0;border:1px solid var(--line);border-radius:4px;background:#fff;padding:18px 24px}
.all-courses summary{cursor:pointer;font-weight:700;color:var(--ink)}
.all-courses table{width:100%;border-collapse:collapse;margin:18px 0;text-align:left;font-size:14px}
.all-courses caption{text-align:left;padding:0 0 10px;font-weight:700}
.all-courses th,.all-courses td{padding:11px 9px;border-bottom:1px solid var(--line)}
.all-courses th:first-child,.all-courses td:last-child{white-space:nowrap}
.all-courses a,.source-links a,.course-links a,.faq .answer a,.faq-bottom a,.footer-links a{color:#1d6380;text-decoration:underline}
.maker-sign .maker-profile{font-family:var(--sans);font-size:12px;line-height:1.9;color:var(--muted);margin-top:16px;max-width:440px}
@media(max-width:760px){.all-courses{padding:15px 12px}.all-courses summary{font-size:13px}.all-courses table{font-size:12px}.all-courses th,.all-courses td{padding:10px 5px}.maker-sign .maker-profile{font-size:12px}}

/* Original logo supplied by the owner, 2026-10-13. No image redraw. */
.header .brand-name,.footer .brand-name{display:block;width:168px;height:109.2px;font-size:0;line-height:0;letter-spacing:0;background:#fff url("/assets/brand/rika-banso-original-20261013.jpg") 58.93% 49.68% / 128% auto no-repeat;}
.header-inner{height:auto;min-height:145px;padding-block:10px}
.header .brand{flex:0 0 auto}.header .brand-sub{max-width:230px;font-size:10px;line-height:1.6;letter-spacing:0}
.header nav{flex-wrap:wrap;justify-content:flex-end}
@media(max-width:760px){.header-inner{min-height:134px;gap:12px}.header .brand-name{width:148px;height:96.2px}.header .brand-sub{max-width:none;font-size:8px;white-space:nowrap}.header .member{font-size:11px;padding-left:12px}}
@media(forced-colors:active){.header .brand-name,.footer .brand-name{background:none;width:auto;height:auto;font-size:24px;line-height:1.4}}

@media(max-width:359px){.header-inner{flex-wrap:wrap;gap:6px}.header nav{margin-left:auto}.header .member{padding-left:0;border-left:0}}

/* Keep the textbook matching guide visible beside the direct course route. */
.course-map-note{margin:14px 0 0;font-size:13px;line-height:1.8;color:var(--muted)}
.course-map-note a{color:#1d6380;text-decoration:underline;text-underline-offset:3px}
@media(max-width:760px){.course-map-note{font-size:12px}}