:root {
  --edl-red: #E03925;
  --edl-orange: #E14F26;
  --edl-orange-light: #E47542;
  --edl-red-deep: #C52E1C;
  --edl-ink: #2C2C2C;
  --edl-paper: #FAFAFA;
  --edl-grid-line: #ECECEC;
  --color-ink: var(--edl-ink);
  --color-text: var(--edl-ink);
  --color-muted: #666666;
  --color-background: #FFFFFF;
  --color-surface: var(--edl-paper);
  --color-border: #D5D5D5;
  --color-primary: var(--edl-red-deep);
  --color-primary-hover: #A62618;
  --color-focus: #1967D2;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --font-latin: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --font-display: Impact, "Arial Narrow", "Helvetica Neue", sans-serif;
  --line-height-body: 1.9;
  --content-width: 760px;
  --container-width: 1200px;
  --radius-sm: 6px;
  --radius-md: 12px;
}
* { box-sizing: border-box; }
html { color-scheme: light; }
body { margin: 0; background: white; color: var(--color-text); font: 16px/var(--line-height-body) var(--font-sans); -webkit-font-smoothing: antialiased; overflow-wrap: anywhere; }
a { color: var(--color-primary); }
a:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 5px; }
::selection { background: #fce0d8; color: var(--color-ink); }
.skip-link { position: absolute; top: -100px; left: 16px; z-index: 10; padding: 10px 20px; background: white; }
.skip-link:focus { top: 12px; }
.site-header { background: white; border-bottom: 1px solid #ececec; }
.header-inner { max-width: var(--container-width); margin: auto; min-height: 116px; padding: 18px 40px; display: flex; justify-content: space-between; align-items: center; gap: 36px; }
.header-logo { display: block; width: 350px; max-width: 55%; height: auto; }
.partner-tag { max-width: 320px; font-size: 12px; color: var(--color-muted); text-align: right; line-height: 1.8; }
.page-stage { position: relative; isolation: isolate; overflow: hidden; background-color: #fff; background-image: linear-gradient(#ececec66 1px, transparent 1px), linear-gradient(90deg, #ececec66 1px, transparent 1px); background-size: 24px 24px; }
.page-stage::before { content: ""; position: absolute; z-index: -1; inset: 0 0 auto; height: 780px; pointer-events: none; background: url("assets/ribbons.svg") center top / max(1200px, 100%) auto no-repeat; }
.main-content { width: min(var(--content-width), calc(100% - 48px)); margin: 0 auto; padding: 72px 0 80px; }
.eyebrow-container { display: flex; flex-direction: column; gap: 10px; margin-bottom: 30px; }
.eyebrow-en { color: var(--color-primary); font: 800 clamp(22px, 3vw, 30px)/1.2 var(--font-display); letter-spacing: .025em; }
.eyebrow-jp { color: var(--color-muted); font-size: 13px; letter-spacing: .02em; }
.intro-box { background: #fff; border: 1px solid var(--color-border); border-left: 4px solid var(--edl-red); border-radius: var(--radius-md); padding: 24px 28px; margin-bottom: 38px; font-size: 16px; }
.intro-label { display: table; background: #3457C5; color: white; padding: 3px 10px; border-radius: 4px; font-size: 12px; font-weight: 700; letter-spacing: .04em; margin-bottom: 12px; }
.article-title { color: var(--color-ink); font-size: clamp(30px, 4vw, 44px); font-weight: 800; line-height: 1.55; letter-spacing: .025em; margin: 0 0 34px; text-wrap: pretty; }
.article-title::after { display: block; content: ""; height: 5px; width: 64px; background: linear-gradient(90deg, var(--edl-red), var(--edl-orange-light)); margin-top: 28px; }
.article-body { background: white; border: 1px solid #ececec; border-radius: var(--radius-md); padding: 36px 40px; font-size: 16px; line-height: 1.9; letter-spacing: .02em; }
.article-body p { margin: 0 0 28px; }
.article-body p:last-child { margin-bottom: 0; }
.cta-section { margin-top: 36px; padding: 32px 24px; background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-md); text-align: center; }
.button-primary { display: inline-flex; align-items: center; justify-content: center; gap: 18px; min-height: 60px; padding: 18px 32px; border: 1px solid transparent; border-radius: var(--radius-sm); background: var(--color-primary); color: white; font-size: 16px; font-weight: 700; line-height: 1.7; text-decoration: none; transition: background-color .18s ease; }
.button-primary[href]:hover { background: var(--color-primary-hover); }
.button-primary[href]:active { background: var(--color-primary-hover); box-shadow: inset 0 2px 4px #0003; }
.button-primary[aria-disabled="true"] { background: #eee9e7; color: #6d5b55; cursor: default; }
.icon-external { flex: 0 0 18px; }
.cta-caption { color: var(--color-muted); font-size: 12px; margin: 14px 0 0; }
.site-footer { background: var(--edl-paper); border-top: 1px solid var(--color-border); }
.footer-inner { width: min(1000px, calc(100% - 80px)); margin: auto; padding: 48px 0 24px; }
.footer-logo { display: block; width: 100%; height: auto; margin-bottom: 32px; }
.footer-panel { position: relative; overflow: hidden; border-radius: 24px; background: linear-gradient(110deg, #C52E1C, #CC3D1A); color: white; padding: 32px 40px; }
.footer-panel::after { content: ""; position: absolute; width: 180px; height: 180px; right: -55px; top: -65px; border: 28px solid #ffffff18; border-radius: 50%; pointer-events: none; }
.footer-motto-jp { position: relative; z-index: 1; font-size: clamp(22px, 3vw, 32px); font-weight: 700; letter-spacing: .05em; margin: 0; }
.footer-motto-en { position: relative; z-index: 1; font-family: var(--font-latin); font-size: 12px; letter-spacing: .07em; margin: 8px 0 0; }
.footer-meta { display: flex; justify-content: space-between; gap: 16px; padding: 24px 0 18px; border-bottom: 1px solid var(--color-border); font-size: 12px; }
.footer-meta p { margin: 0; }
.copyright { margin: 18px 0 0; color: var(--color-muted); font: 11px/1.8 var(--font-latin); letter-spacing: .04em; }
.error-page { min-height: 75vh; }
.error-page .button-primary { margin-top: 24px; }
@media (max-width: 840px) {
  .header-inner { padding: 18px 24px; gap: 24px; }
  .footer-inner { width: calc(100% - 48px); }
}
@media (max-width: 639px) {
  .header-inner { min-height: auto; flex-wrap: wrap; gap: 12px; padding: 20px; }
  .header-logo { width: 310px; max-width: 100%; }
  .partner-tag { max-width: 100%; text-align: left; font-size: 12px; }
  .main-content { width: calc(100% - 40px); padding: 44px 0 48px; }
  .page-stage::before { background-position: 46% 0; opacity: .7; }
  .eyebrow-container { margin-bottom: 24px; }
  .eyebrow-en { font-size: 23px; }
  .eyebrow-jp { font-size: 12px; }
  .intro-box { padding: 20px; margin-bottom: 28px; }
  .article-title { font-size: 30px; letter-spacing: .01em; line-height: 1.6; margin-bottom: 28px; }
  .article-body { padding: 24px 20px; font-size: 16px; letter-spacing: .01em; }
  .cta-section { margin-top: 24px; padding: 24px 16px; }
  .button-primary { width: 100%; padding: 18px 12px; font-size: 14px; gap: 10px; }
  .footer-inner { width: calc(100% - 40px); padding-top: 32px; }
  .footer-logo { margin-bottom: 24px; }
  .footer-panel { padding: 28px 24px; border-radius: 20px; }
  .footer-motto-jp { font-size: 22px; }
  .footer-meta { flex-direction: column; gap: 6px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }
@media print { .skip-link, .cta-section { display: none; } .page-stage { background: white; } .page-stage::before { display: none; } .main-content { padding: 24px 0; } .article-body { border: 0; padding: 0; } }
