:root { color-scheme: light; --ink:#1c1b1b; --paper:#f2f2f0; --red:#d53930; --line:#d7d7d3; --muted:#5b5a58; --white:#fff; }
    * { box-sizing:border-box; }
    html { scroll-behavior:smooth; }
    body { margin:0; background:var(--paper); color:var(--ink); font-family:Arial, Helvetica, "Noto Sans TC", sans-serif; font-size:16px; line-height:1.55; }
    a { color:inherit; }
    button, a { -webkit-tap-highlight-color:transparent; }
    :focus-visible { outline:3px solid var(--red); outline-offset:4px; }
    .skip { position:absolute; left:-9999px; top:8px; z-index:20; padding:10px 16px; background:var(--white); }
    .skip:focus { left:8px; }
    .shell { width:min(100% - 48px, 1330px); margin-inline:auto; }
    .announcement { background:var(--red); color:var(--white); text-align:center; padding:8px 16px; font-size:.84rem; font-weight:700; letter-spacing:.045em; }
    .site-header { border-bottom:1px solid var(--line); }
    .nav { min-height:82px; display:flex; flex-wrap:nowrap; align-items:center; gap:24px; position:relative; }
    .brand { display:inline-flex; align-items:center; gap:.35em; font-size:1.375rem; text-decoration:none; white-space:nowrap; }
    .brand-mark { display:block; width:2em; height:auto; object-fit:contain; mix-blend-mode:multiply; flex:none; }
    .brand-name { font-family:"Arial Black", "Avenir Next", Arial, sans-serif; font-weight:900; letter-spacing:-.035em; font-size:1em; line-height:1.2; color:var(--ink); }
    .brand-name-accent { color:#a4081e; }
    @supports ((background-clip:text) or (-webkit-background-clip:text)) {
      .brand-name-accent { background:linear-gradient(180deg, #a4081e 0%, #f54c5f 100%); background-clip:text; -webkit-background-clip:text; color:transparent; -webkit-text-fill-color:transparent; }
    }
    @media (forced-colors:active) { .brand-name-accent { background:none; color:CanvasText; -webkit-text-fill-color:CanvasText; } }
    .nav-links { display:flex; align-items:center; gap:20px; margin-left:auto; order:2; font-size:.92rem; font-weight:700; white-space:nowrap; }
    .nav-links a:not(.nav-cta) { text-decoration:none; text-underline-offset:4px; }
    .nav-links a:hover { color:var(--red); }
    .nav-cta { padding:11px 17px; background:var(--ink); color:var(--white); text-decoration:none; border-radius:3px; transition:background .2s, transform .2s; }
    .nav-cta:hover { background:var(--red); color:var(--white); transform:translateY(-2px); }
    .hero { display:grid; grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr); min-height:590px; border-bottom:1px solid var(--line); }
    .hero-copy { align-self:center; padding:72px 7% 72px 0; }
    .eyebrow { margin:0 0 20px; text-transform:uppercase; font-size:.76rem; font-weight:900; letter-spacing:.15em; color:var(--red); }
    h1,h2,h3,p { margin-top:0; }
    h1 { font-family:Georgia,"Times New Roman",serif; font-size:clamp(3.35rem,6vw,6.6rem); font-weight:700; line-height:.99; letter-spacing:-.055em; margin-bottom:26px; max-width:700px; }
    .hero-copy h1 em { color:var(--red); font-style:italic; }
    .hero-deck { max-width:550px; font-size:1.16rem; line-height:1.6; color:#41403e; margin-bottom:30px; }
    .hero-actions { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:11px; width:min(100%,430px); }
    .button { display:inline-flex; justify-content:center; align-items:center; min-height:50px; padding:12px 21px; text-decoration:none; font-weight:800; border-radius:3px; transition:transform .2s, background .2s, color .2s; }
    .button:hover { transform:translateY(-2px); }
    .button-primary { background:var(--red); color:#fff; }
    .button-primary:hover { background:#a82720; }
    .button-ghost { border:1px solid var(--ink); }
    .button-ghost:hover { background:var(--ink); color:#fff; }
    .hero-visual { position:relative; min-height:550px; overflow:hidden; }
    .hero-visual img { display:block; width:100%; height:100%; position:absolute; inset:0; object-fit:cover; object-position:55% 45%; }
    .photo-note { position:absolute; right:0; bottom:0; background:var(--red); color:#fff; padding:16px 22px; font-size:.8rem; font-weight:800; letter-spacing:.06em; }
    .small-rule { display:flex; align-items:center; gap:15px; text-transform:uppercase; font-size:.74rem; font-weight:800; letter-spacing:.13em; margin:0 0 13px; }
    .small-rule:before { content:""; width:31px; height:2px; background:var(--red); }
    .section { padding:102px 0; }
    .section-head { display:flex; justify-content:space-between; align-items:end; gap:32px; margin-bottom:34px; }
    h2 { font-family:Georgia,"Times New Roman",serif; font-size:clamp(2.45rem,4.2vw,4.4rem); line-height:1.07; letter-spacing:-.045em; margin-bottom:0; }
    .section-lead { max-width:350px; margin:0 0 3px; color:var(--muted); }
    .course-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:14px; }
    .course { display:flex; flex-direction:column; min-height:365px; background:var(--white); border:1px solid #e1e1dd; padding:29px; transition:border-color .2s, transform .2s, box-shadow .2s; }
    .course:hover { border-color:var(--red); transform:translateY(-3px); box-shadow:0 13px 35px #1717170b; }
    .course-featured { color:var(--white); background:var(--ink); border-color:var(--ink); }
    .course-featured:hover { border-color:var(--ink); }
    .course-top { display:flex; justify-content:space-between; gap:10px; align-items:start; color:var(--red); font-size:.75rem; text-transform:uppercase; letter-spacing:.13em; font-weight:900; }
    .course-featured .course-top { color:#ff8279; }
    .pill { border:1px solid currentColor; border-radius:999px; padding:4px 9px; letter-spacing:.04em; white-space:nowrap; }
    .course h3 { font-family:Georgia,"Times New Roman",serif; font-size:2.25rem; letter-spacing:-.04em; line-height:1.1; margin:42px 0 13px; }
    .course p { color:var(--muted); margin:0; max-width:330px; }
    .course-featured p { color:#d7d5d2; }
    .price { margin-top:auto; padding-top:28px; font-weight:900; font-size:1.45rem; letter-spacing:-.035em; }
    .price small { font-size:.78rem; font-weight:600; letter-spacing:0; color:var(--muted); }
    .course-featured .price small { color:#c8c5c2; }
    .course-link { display:inline-flex; align-items:center; justify-content:space-between; gap:14px; border-top:1px solid var(--line); margin-top:17px; padding-top:16px; font-size:.92rem; font-weight:900; text-decoration:none; }
    .course-featured .course-link { border-color:#514f4e; }
    .course-link span:last-child { font-size:1.35rem; line-height:1; transition:transform .2s; }
    .course-link:hover span:last-child { transform:translate(3px,-3px); }
    .price-note { font-size:.82rem; color:var(--muted); margin:16px 0 0; }
    .split-section { background:var(--ink); color:var(--white); }
    .split { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,.92fr); gap:9%; align-items:center; }
    .split .eyebrow { color:#ff8279; }
    .split h2 { margin-bottom:25px; }
    .split p { color:#d5d4d0; max-width:590px; }
    .method { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
    .method article { border:1px solid #595755; padding:26px; min-height:205px; }
    .method b { color:#ff8279; font-size:.8rem; }
    .method h3 { font-family:Georgia,"Times New Roman",serif; font-size:1.45rem; margin:22px 0 7px; }
    .method p { font-size:.88rem; margin:0; line-height:1.55; }
    .kits { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
    .kit { display:flex; justify-content:space-between; gap:30px; min-height:235px; padding:31px; border:1px solid var(--line); background:#e9e9e6; text-decoration:none; transition:background .2s, border-color .2s; }
    .kit:hover { background:#fff; border-color:var(--red); }
    .kit .code { font-size:.78rem; font-weight:900; color:var(--red); letter-spacing:.13em; }
    .kit h3 { font-family:Georgia,"Times New Roman",serif; font-size:2rem; line-height:1.12; margin:17px 0 10px; }
    .kit p { margin-bottom:0; color:var(--muted); max-width:370px; }
    .kit-arrow { align-self:end; font-size:2rem; line-height:1; }
    .about { border-top:1px solid var(--line); }
    .about-grid { display:grid; grid-template-columns:.65fr 1fr; gap:10%; align-items:start; }
    .about h2 { max-width:360px; }
    .about p { font-size:1.12rem; color:#41403e; }
    .about a { font-weight:800; text-underline-offset:4px; }
    .closing { padding:68px 0; background:var(--red); color:#fff; }
    .closing-inner { display:flex; justify-content:space-between; align-items:center; gap:30px; }
    .closing h2 { max-width:740px; }
    .closing .button { background:#fff; color:var(--ink); white-space:nowrap; }
    .closing .button:hover { background:var(--ink); color:#fff; }
    footer { padding:37px 0; }
    .footer-inner { display:grid; grid-template-columns:1fr auto 1fr; align-items:center; gap:25px; color:var(--muted); font-size:.83rem; }
    .footer-inner a { text-underline-offset:4px; }
    .footer-inner p { margin:0; }
    .footer-inner > p:last-child { justify-self:end; }
    .social-links { display:flex; align-items:center; gap:10px; }
    .social-links a { display:grid; place-items:center; flex:none; width:48px; height:48px; color:#c94c50; border-radius:8px; transition:color .2s, transform .2s; }
    .social-links a:hover { color:var(--red); transform:translateY(-3px); }
    .social-links svg { display:block; width:40px; height:40px; }
    .social-links .youtube-icon { transform:scaleY(1.32); }
    .header-social { flex:none; order:1; gap:4px; }
    .header-social svg { width:30px; height:30px; }
    @media (max-width:1000px) {
      .hero { grid-template-columns:1fr 1fr; min-height:510px; }
      .hero-copy { padding:50px 6% 50px 0; }
      .hero-visual { min-height:500px; }
      .course h3 { font-size:1.9rem; }
      .course { padding:23px; }
    }
    @media (max-width:760px) {
      .shell { width:min(100% - 32px, 1330px); }
      .announcement { font-size:.72rem; }
      .nav { min-height:68px; gap:8px; padding:8px 0; }
      .brand { min-width:0; font-size:clamp(.8125rem, 3.8vw, 1rem); }
      .hero { display:flex; flex-direction:column; }
      .hero-copy { padding:62px 0 46px; }
      h1 { font-size:clamp(3.25rem,12vw,5rem); max-width:640px; }
      .hero-visual { min-height:310px; margin:0 -16px; }
      .hero-visual img { object-position:55% 35%; }
      .photo-note { padding:10px 14px; font-size:.7rem; }
      .section { padding:72px 0; }
      .section-head { display:block; }
      .section-lead { margin-top:16px; }
      .course-grid { grid-template-columns:1fr; }
      .course { min-height:295px; }
      .course h3 { margin-top:30px; font-size:2rem; }
      .split { grid-template-columns:1fr; gap:34px; }
      .kits { grid-template-columns:1fr; }
      .about-grid { grid-template-columns:1fr; gap:25px; }
      .closing-inner { display:block; }
      .closing .button { margin-top:25px; }
      .footer-inner { display:flex; flex-direction:column; align-items:flex-start; gap:14px; }
    }
    @media (max-width:450px) {
      .method { grid-template-columns:1fr; }
      .method article { min-height:0; }
      .hero-deck { font-size:1rem; }
      .hero-actions { grid-template-columns:1fr; width:100%; }
    }
    @media (prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } *,*:before,*:after { transition:none !important; } }
  
/* Compact header controls stay in a single row at every breakpoint. */
.brand { min-width:0; }
.brand-name { min-width:0; overflow:hidden; text-overflow:ellipsis; }
.language-picker { position:relative; order:3; flex:0 0 auto; }
.language-picker summary, .mobile-menu summary { display:flex; align-items:center; justify-content:center; height:44px; border:1px solid var(--line); border-radius:4px; cursor:pointer; list-style:none; background:transparent; }
.language-picker summary { width:56px; gap:7px; font-size:14px; font-weight:700; }
.language-picker summary::-webkit-details-marker, .mobile-menu summary::-webkit-details-marker { display:none; }
.language-picker summary:hover, .mobile-menu summary:hover { border-color:var(--ink); }
.language-picker summary svg { width:10px; height:10px; transition:transform .2s; }
.language-picker[open] summary svg { transform:rotate(180deg); }
.language-options { position:absolute; z-index:30; right:0; top:calc(100% + 8px); width:160px; padding:6px; background:var(--white); border:1px solid var(--line); border-radius:6px; box-shadow:0 8px 24px #00000018; }
.language-options a { display:flex; align-items:center; min-height:44px; padding:8px 12px; font-size:14px; text-decoration:none; border-radius:3px; }
.language-options a:hover { background:var(--paper); color:var(--red); }
.language-options a[aria-current="page"] { background:var(--ink); color:var(--white); font-weight:700; }
.mobile-menu { display:none; flex:0 0 44px; order:4; }
.mobile-menu summary { width:44px; }
.mobile-menu summary svg { width:20px; height:20px; }
.mobile-menu-panel { position:absolute; z-index:25; right:0; top:calc(100% + 4px); width:min(300px,100%); display:flex; flex-direction:column; gap:4px; padding:12px; background:var(--white); border:1px solid var(--line); border-radius:6px; box-shadow:0 8px 24px #00000018; }
.mobile-menu-panel > a { display:flex; align-items:center; min-height:44px; padding:10px 12px; font-size:16px; font-weight:700; text-decoration:none; border-radius:3px; }
.mobile-menu-panel > a:not(.nav-cta):hover { background:var(--paper); color:var(--red); }
.mobile-menu-panel .nav-cta { white-space:normal; margin-top:4px; }
.mobile-menu-panel .social-links { border-top:1px solid var(--line); padding-top:8px; margin-top:8px; }
.mobile-menu-panel .social-links svg { width:30px; height:30px; }
@media (max-width:1180px) {
  .nav-links, .header-social { display:none; }
  .language-picker { margin-left:auto; }
  .mobile-menu { display:block; }
}
@media (max-width:300px) { .brand-name { display:none; } }
html:lang(ja) body { font-family:Arial,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif; }
html:lang(ko) body { font-family:Arial,"Apple SD Gothic Neo","Malgun Gothic",sans-serif; word-break:keep-all; overflow-wrap:anywhere; }
html:lang(ja) h1, html:lang(ko) h1 { font-family:inherit; font-size:clamp(2.4rem,4.3vw,4.5rem); line-height:1.3; letter-spacing:-.025em; }
html:lang(ja) #hero-title { font-size:clamp(2.2rem,3.7vw,4rem); }
html:lang(ja) #hero-title em { white-space:nowrap; }
html:lang(ja) h1 em, html:lang(ko) h1 em { font-style:normal; }
html:lang(ja) h2, html:lang(ko) h2 { font-family:inherit; font-size:clamp(1.9rem,3vw,3.1rem); line-height:1.35; letter-spacing:-.025em; }
html:lang(ja) h3, html:lang(ko) h3 { font-family:inherit; line-height:1.4; letter-spacing:-.02em; }
html:lang(ja) .course h3, html:lang(ko) .course h3 { font-size:1.8rem; }
html:lang(ja) .kit h3, html:lang(ko) .kit h3 { font-size:1.8rem; }
html:lang(ja) .eyebrow, html:lang(ko) .eyebrow, html:lang(ja) .course-top, html:lang(ko) .course-top { letter-spacing:.04em; }
html:lang(ja) .price small, html:lang(ko) .price small { display:block; margin-top:5px; }
@media (max-width:760px) {
  html:lang(ja) .hero-copy, html:lang(ko) .hero-copy { padding-block:48px; }
}