html[lang="ja"] body,
html[lang="ja"] .signal-page,
html[lang="ja"] .signal-dialog,
html[lang="ja"] .signal-header .signal-menu-links a {
  font-family: "Noto Sans JP", sans-serif;
}
html[lang="ja"] :is(h1,h2,h3,.signal-statement,.signal-message p) {
  letter-spacing: -.035em;
  line-height: 1.3;
  word-break: normal;
  overflow-wrap: anywhere;
}
html[lang="ja"] .signal-hero h1 { font-size: clamp(64px,8.5vw,136px); margin-left: 0; }
html[lang="ja"] .signal-statement { font-size: clamp(40px,6vw,90px); }
html[lang="ja"] .signal-scene-copy h3 { font-size: clamp(48px,6vw,90px); }
html[lang="ja"] .signal-conversation-heading h2 { font-size: clamp(42px,5.5vw,82px); flex-shrink: 0; }
html[lang="ja"] .signal-pricing h2 { font-size: clamp(40px,5.8vw,84px); }
html[lang="ja"] .signal-closing h2 { font-size: clamp(60px,8.5vw,136px); }
html[lang="ja"] .signal-price { font-size: clamp(56px,6.5vw,90px); letter-spacing: -.06em; }
html[lang="ja"] .signal-price small { display: inline-block; margin-left: 8px; }
html[lang="ja"] .signal-sub-hero h1 { font-size: clamp(48px,6.5vw,100px); }
html[lang="ja"] .signal-sub-copy h2 { font-size: clamp(30px,3.8vw,58px); }
html[lang="ja"] .signal-sub-cta h2 { font-size: clamp(38px,4.8vw,72px); }
html[lang="ja"] .signal-sub-plan .signal-sub-price { font-size: clamp(48px,5vw,72px); }
html[lang="ja"] .signal-sub-price span { font-size: 20px; letter-spacing: 0; margin-left: 6px; }
html[lang="ja"] .signal-sub-prose { line-height: 1.95; }
html[lang="ja"] .signal-header .site-nav { gap: clamp(12px,1.7vw,28px); }
html[lang="ja"] .signal-header .signal-menu-links a { letter-spacing: -.025em; line-height: 1.35; }
@media (max-width: 760px) {
  html[lang="ja"] .signal-hero h1 { font-size: 13.8vw; }
  html[lang="ja"] .signal-statement { font-size: 8.3vw; }
  html[lang="ja"] .signal-scene-copy h3 { font-size: clamp(34px,9.2vw,62px); }
  html[lang="ja"] .signal-conversation-heading h2,
  html[lang="ja"] .signal-pricing h2 { font-size: 10.5vw; }
  html[lang="ja"] .signal-faq h2 { font-size: 10.5vw; }
  html[lang="ja"] .signal-closing h2 { font-size: 11.5vw; }
  html[lang="ja"] .signal-price { font-size: clamp(58px,16vw,84px); }
  html[lang="ja"] .signal-sub-hero h1 { font-size: clamp(32px,8.8vw,60px); }
  html[lang="ja"] .signal-sub-cta h2 { font-size: clamp(30px,8vw,48px); }
  html[lang="ja"] .signal-dialog h2 { font-size: 32px; }
}