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#ffffffbf;border-radius:999px;justify-content:space-between;align-items:center;padding:9px 20px;line-height:1.2;display:flex;position:fixed;inset:14px 24px auto;box-shadow:0 2px 6px #181b2c0d,0 12px 32px #181b2c12}.v5-hero-nav.is-scrolled{background:#ffffffb8;box-shadow:0 2px 8px #181b2c14,0 16px 40px #181b2c1a}@media (max-width:767.98px){.v5-hero-nav,.rd .crumbs{display:none}}.v5-nav-logo{font-family:var(--font-serif);color:var(--foreground);align-items:center;gap:8px;font-size:20px;font-weight:600;text-decoration:none;display:flex}.v5-nav-logo .v5-nav-star{width:22px;height:22px;color:var(--gold);flex-shrink:0}.v5-nav-links{color:var(--foreground-muted);white-space:nowrap;gap:28px;font-size:13.5px;font-weight:500;display:flex;position:absolute;left:50%;transform:translate(-50%)}.v5-nav-links a{color:inherit;text-decoration:none;transition:color .25s;display:block}@media (max-width:1100px) and (min-width:768px){.v5-nav-links{gap:16px;font-size:12.5px;position:static;transform:none}.v5-nav-right{gap:8px}.v5-nav-right .v5-nav-cta,.v5-nav-right>a.rounded-lg{padding:8px 12px;font-size:12.5px}}html[lang=ja] .v5-nav-links a{-webkit-text-stroke:.25px currentColor;font-weight:500}html[lang=ja] .v5-lang-trigger{-webkit-text-stroke:.25px currentColor}.v5-nav-links a:hover{color:var(--purple)}.v5-nav-item{align-items:center;display:flex;position:relative}.v5-nav-dropdown{top:calc(100% + 10px);z-index:60;-webkit-backdrop-filter:blur(12px)saturate(1.3);backdrop-filter:blur(12px)saturate(1.3);background:#ffffffeb;border:1px solid #ffffffd9;border-radius:14px;flex-direction:column;min-width:220px;padding:8px;display:flex;position:absolute;inset-inline-start:0;box-shadow:0 4px 10px #181b2c0f,0 20px 48px #181b2c1f}.v5-nav-dropdown a{color:var(--foreground-muted);white-space:nowrap;border-radius:8px;padding:8px 12px;font-size:13px;font-weight:500;text-decoration:none;transition:background 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10px;font-size:12.5px;display:flex}.v5-footer-legal a{color:inherit;text-decoration:none;transition:color .25s}.v5-footer-legal a:hover{color:var(--purple)}.v5-footer-sep{color:var(--silver)}.v5-footer-social{justify-content:flex-end;gap:10px;display:flex}.v5-footer-social a{width:32px;height:32px;color:var(--foreground-subtle);border:1px solid var(--v5-hairline);background:#ffffff80;border-radius:50%;justify-content:center;align-items:center;transition:color .25s,border-color .25s,box-shadow .25s,transform .25s cubic-bezier(.16,1,.3,1);display:inline-flex}.v5-footer-social a:hover{color:var(--purple);border-color:#c9a35c8c;transform:translateY(-1px);box-shadow:0 4px 14px #5a3b8c1f}.v5-footer-sub{border-top:1px solid var(--v5-hairline);color:var(--ink-3);letter-spacing:.02em;flex-wrap:wrap;justify-content:space-between;gap:12px;padding:14px 0 22px;font-size:11.5px;display:flex}@media (max-width:980px){.v5-footer{padding:0 20px}.v5-footer-main{grid-template-columns:1fr;justify-items:center;gap:18px;padding:30px 0 18px}.v5-footer-brand{order:1}.v5-footer-social{order:2;justify-content:center}.v5-footer-legal{order:3}.v5-footer-sub{text-align:center;flex-direction:column;align-items:center;gap:6px;padding:14px 0 26px}.rd section.rd-sec{padding:44px 20px}.rd .l-hero{padding:110px 20px 36px}.rd .crumbs+.l-hero{padding-top:36px}.rd .crumbs+.l-hero.school{padding-top:32px}.rd .crumbs{padding:88px 20px 0}}@media (max-width:767.98px){.rd .crumbs+.l-hero,.rd .crumbs+.l-hero.school,.rd.tool-page .t-hero{padding-top:104px}}@media (prefers-reduced-motion:reduce){.rd *,.rd :before,.rd :after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}