.classroom-hub{--classroom-accent:var(--season-accent,#315f6c);--classroom-line:var(--season-line,#cedee2)}
.classroom-intro{margin:8px 0 26px;color:#193c4a}
.classroom-intro h1{font-size:clamp(28px,4vw,42px);line-height:1.2;margin:10px 0}
.classroom-intro>p:last-child{color:#435c6b;margin:0;font-size:16px}
.classroom-kicker{font-size:12px;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:#315d70;margin:0}
.classroom-hub>.panel{background:#fff;color:#18304b}
.classroom-course-list{display:flex;flex-direction:column;gap:22px}
.classroom-course{display:block;position:relative;isolation:isolate;overflow:hidden;min-height:224px;border:1px solid var(--classroom-line);border-radius:20px;padding:30px 34px;background:#fff;color:#193c4a;box-shadow:0 5px 20px #18384c0b;transition:transform .15s,box-shadow .15s}
.classroom-course::after{content:"";position:absolute;inset:0 0 0 auto;width:43%;z-index:-1;background-image:linear-gradient(90deg,#fff 0%,#ffffffb3 10%,#ffffff00 40%),var(--season-art,url('/journey/japan-spring.webp'));background-size:100% 100%,cover;background-position:center,center;background-repeat:no-repeat}
.classroom-course-copy{width:64%;max-width:710px}
.classroom-course-step{margin:0 0 12px;color:#315d70;font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.classroom-course h2{font-size:clamp(25px,3.3vw,38px);line-height:1.18;letter-spacing:-.025em;margin:0 0 12px;color:var(--classroom-accent);overflow-wrap:anywhere}
.classroom-course-description{font-size:15px;line-height:1.6;margin:0 0 20px;color:#435c6b}
.classroom-course-open{display:inline-flex;align-items:center;gap:18px;font-size:13px;font-weight:800;color:#244f5f;background:#edf4f5;border-radius:99px;padding:9px 15px}
.classroom-course-open>span{font-size:20px;line-height:1}
.classroom-course:hover{transform:translateY(-2px);box-shadow:0 10px 26px #18384c18}
.classroom-course:focus-visible{outline:3px solid #315f6c;outline-offset:4px}
.top nav [data-classroom-home][aria-current="page"]{text-decoration:underline;text-underline-offset:5px;font-weight:800}
@media(max-width:600px){.classroom-course-list{gap:16px}.classroom-course{min-height:208px;padding:24px 20px;border-radius:16px}.classroom-course::after{width:36%;background-image:linear-gradient(90deg,#fff,#ffffff8c),var(--season-art,url('/journey/japan-spring.webp'))}.classroom-course-copy{width:100%;padding-right:15%}.classroom-course h2{font-size:27px}.classroom-course-description{font-size:14px;max-width:95%}.classroom-course-step{font-size:10px}.classroom-course-open{font-size:12px;padding:8px 13px}.classroom-intro{margin-bottom:22px}}
@media(prefers-reduced-motion:reduce){.classroom-course{transition:none}.classroom-course:hover{transform:none}}
@media print{.classroom-course::after{display:none}.classroom-course{break-inside:avoid;box-shadow:none}.classroom-course-copy{width:100%}}