.signature-launch,
.signature-story { --signature-gap: clamp(24px, 5vw, 64px); }

.signature-launch {
  margin: clamp(42px, 7vw, 88px) 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: clamp(24px, 4vw, 42px);
  background: var(--white);
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(360px, 1.1fr);
  align-items: stretch;
}
.signature-launch__copy { align-self: center; padding: clamp(30px, 5vw, 66px); }
.signature-launch h2 { margin: 0; font-family: "Fraunces", "Noto Sans JP", serif; font-size: clamp(34px, 4vw, 58px); line-height: 1.02; letter-spacing: -.035em; }
.signature-launch__copy > p:not(.eyebrow) { margin: 22px 0 26px; color: var(--ink-soft); line-height: 1.75; }
.signature-launch__copy > a,
.signature-systems-intro button { display: inline-flex; min-height: 50px; align-items: center; justify-content: space-between; gap: 36px; border: 0; border-radius: 999px; background: var(--coral); padding: 12px 20px; color: var(--ink); font-weight: 800; text-decoration: none; cursor: pointer; }
.signature-launch figure { position: relative; margin: 0; min-height: 100%; background: #efeade; }
.signature-launch picture,
.signature-launch img { display: block; width: 100%; height: 100%; }
.signature-launch img { aspect-ratio: 3 / 2; object-fit: cover; }
.signature-launch figcaption { position: absolute; right: 14px; bottom: 14px; border-radius: 999px; background: rgba(255, 253, 248, .94); padding: 8px 12px; font-size: 10px; font-weight: 700; }

.signature-story { display: grid; gap: clamp(64px, 10vw, 128px); padding-bottom: clamp(70px, 10vw, 130px); }
.signature-story h2,
.signature-story h3,
.signature-story p { text-wrap: pretty; }
.signature-lead { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(310px, .85fr); align-items: center; gap: var(--signature-gap); }
.signature-lead figure { margin: 0; }
.signature-lead picture,
.signature-lead img { display: block; width: 100%; }
.signature-lead img { aspect-ratio: 3 / 2; border-radius: clamp(22px, 4vw, 42px); object-fit: cover; }
.signature-lead figcaption { margin-top: 10px; color: var(--ink-soft); font-size: 11px; line-height: 1.55; }
.signature-lead h2 { margin: 0 0 22px; font-family: "Fraunces", "Noto Sans JP", serif; font-size: clamp(38px, 5vw, 68px); line-height: 1.02; letter-spacing: -.04em; }
.signature-lead > div > p:not(.eyebrow) { color: var(--ink-soft); font-size: clamp(16px, 1.6vw, 19px); line-height: 1.8; }
.signature-lead aside { margin-top: 24px; border-left: 4px solid var(--coral); padding: 4px 0 4px 18px; }
.signature-lead aside p { margin: 8px 0 0; font-size: 14px; }
.signature-section-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, .55fr); align-items: end; gap: 36px; margin-bottom: 38px; }
.signature-section-heading h2 { margin: 0; max-width: 850px; font-family: "Fraunces", "Noto Sans JP", serif; font-size: clamp(36px, 5vw, 62px); line-height: 1.02; letter-spacing: -.035em; }
.signature-section-heading > p { margin: 0; color: var(--ink-soft); line-height: 1.7; }

.signature-clock__nav { position: sticky; z-index: 5; top: 10px; display: grid; grid-template-columns: repeat(7, 1fr); gap: 5px; margin-bottom: 12px; border: 1px solid var(--border); border-radius: 20px; background: rgba(248, 245, 237, .95); padding: 6px; backdrop-filter: blur(12px); }
.signature-clock__nav a { min-height: 60px; border-radius: 14px; padding: 9px; text-decoration: none; }
.signature-clock__nav time,
.signature-clock__nav span { display: block; }
.signature-clock__nav time { font-size: 16px; font-weight: 800; }
.signature-clock__nav span { margin-top: 3px; color: var(--ink-soft); font-size: 10px; }
.signature-clock__nav a.is-current { background: var(--ink); color: #fff; }
.signature-clock__nav a.is-current span { color: rgba(255,255,255,.72); }
.signature-live { min-height: 22px; margin: 10px 5px 24px; color: var(--ink-soft); font-size: 12px; }
.signature-clock__timeline { position: relative; margin-left: 12px; }
.signature-clock__timeline::before { content: ""; position: absolute; left: 56px; top: 0; bottom: 0; width: 1px; background: var(--border); }
.signature-clock__moment { position: relative; display: grid; grid-template-columns: 114px minmax(0, 1fr); gap: clamp(24px, 5vw, 64px); padding: 0 0 clamp(58px, 8vw, 92px); scroll-margin-top: 100px; }
.signature-clock__time { z-index: 1; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.signature-clock__time span { display: grid; width: 38px; height: 38px; place-items: center; border: 1px solid var(--border); border-radius: 50%; background: var(--paper); font-size: 11px; font-weight: 800; }
.signature-clock__time time { border-radius: 999px; background: var(--yellow); padding: 8px 10px; font-size: 13px; font-weight: 800; }
.signature-clock__moment > div:last-child { max-width: 800px; border: 1px solid var(--border); border-radius: 28px; background: var(--white); padding: clamp(24px, 4vw, 46px); }
.signature-clock__moment h3 { margin: 0 0 16px; font-family: "Fraunces", "Noto Sans JP", serif; font-size: clamp(30px, 4vw, 46px); line-height: 1.1; }
.signature-clock__scene { color: var(--ink-soft); font-size: 17px; line-height: 1.75; }
.signature-clock__moment h4 { margin: 28px 0 12px; font-size: 12px; letter-spacing: .12em; text-transform: uppercase; }
.signature-clock__moment ul { margin: 0; padding-left: 22px; line-height: 1.75; }
.signature-clock__moment aside { margin-top: 26px; border-radius: 18px; background: var(--mint); padding: 18px 20px; }
.signature-clock__moment aside p { margin: 6px 0 0; line-height: 1.65; }
.signature-clock__moment.is-current > div:last-child { border-color: var(--ink); box-shadow: 0 0 0 3px var(--mint); }

.signature-services > div:last-child { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.signature-services article { border: 1px solid var(--border); border-radius: 22px; background: var(--white); padding: 24px; }
.signature-services article > span { display: grid; width: 46px; height: 46px; place-items: center; border-radius: 50%; background: var(--blue); font-size: 12px; font-weight: 800; }
.signature-services h3 { margin: 18px 0 8px; font-size: 20px; }
.signature-services p { margin: 0; color: var(--ink-soft); line-height: 1.7; }

.signature-price-facts > div:last-child { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.signature-price-facts article { display: flex; min-height: 190px; flex-direction: column; border: 1px solid var(--border); border-radius: 22px; background: var(--white); padding: 24px; }
.signature-price-facts article > strong { font-family: "Fraunces", serif; font-size: clamp(33px, 4vw, 50px); }
.signature-price-facts article > span { margin-top: auto; font-weight: 800; }
.signature-price-facts article > small { margin-top: 7px; color: var(--ink-soft); line-height: 1.45; }
.signature-budget-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.signature-budget-nav a { display: flex; min-height: 76px; align-items: center; justify-content: space-between; gap: 14px; border: 1px solid var(--border); border-radius: 18px; background: var(--white); padding: 14px 18px; font-family: "Fraunces", serif; font-size: 25px; font-weight: 700; text-decoration: none; }
.signature-budget-nav span { max-width: 150px; font-family: "DM Sans", "Noto Sans JP", sans-serif; color: var(--ink-soft); font-size: 11px; line-height: 1.35; }
.signature-budgets { display: grid; gap: 42px; }
.signature-budget { overflow: hidden; border: 1px solid var(--border); border-radius: clamp(28px, 4vw, 44px); background: var(--white); scroll-margin-top: 24px; }
.signature-budget > header { position: relative; padding: clamp(32px, 6vw, 72px); background: var(--mint); }
.signature-budget:nth-child(2) > header { background: var(--yellow); }
.signature-budget:nth-child(3) > header { background: var(--blue); }
.signature-budget > header > span { position: absolute; right: 32px; top: 28px; display: grid; width: 48px; height: 48px; place-items: center; border: 1px solid currentColor; border-radius: 50%; font-weight: 800; }
.signature-budget > header > p:first-of-type { margin: 0; font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.signature-budget > header h2 { margin: 10px 0 0; font-family: "Fraunces", serif; font-size: clamp(58px, 9vw, 110px); line-height: .85; letter-spacing: -.055em; }
.signature-budget > header h3 { margin: 26px 0 12px; font-family: "Fraunces", "Noto Sans JP", serif; font-size: clamp(27px, 3vw, 40px); }
.signature-budget > header > p:last-child { max-width: 780px; margin: 0; line-height: 1.75; }
.signature-budget__body { display: grid; grid-template-columns: .75fr 1.25fr; gap: 30px; padding: clamp(28px, 5vw, 58px); }
.signature-budget__body h4 { margin: 0 0 18px; font-size: 12px; letter-spacing: .12em; text-transform: uppercase; }
.signature-budget__allocation { display: grid; gap: 15px; margin: 0; padding: 0; list-style: none; }
.signature-budget__allocation li > div { display: flex; justify-content: space-between; gap: 14px; font-size: 13px; }
.signature-budget__bar { display: block; height: 8px; margin-top: 7px; overflow: hidden; border-radius: 999px; background: #ece8de; }
.signature-budget__bar i { display: block; width: var(--share); height: 100%; border-radius: inherit; background: var(--coral); }
.signature-budget__route { display: grid; gap: 12px; margin: 0; padding-left: 28px; line-height: 1.7; }
.signature-budget__route li::marker { font-family: "Fraunces", serif; font-size: 19px; font-weight: 700; }
.signature-budget__decisions { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.signature-budget__decisions aside { border-radius: 18px; background: var(--paper); padding: 20px; }
.signature-budget__decisions aside:last-child { background: #f2e9d0; }
.signature-budget__decisions p { margin: 7px 0 0; color: var(--ink-soft); line-height: 1.65; }
.signature-reading > div:last-child { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.signature-reading article { border-top: 4px solid var(--ink); background: var(--white); padding: 25px; }
.signature-reading article > span { color: var(--coral); font-size: 12px; font-weight: 800; }
.signature-reading h3 { margin: 14px 0 10px; font-family: "Fraunces", "Noto Sans JP", serif; font-size: 25px; line-height: 1.2; }
.signature-reading p { margin: 0; color: var(--ink-soft); line-height: 1.7; }

.signature-systems-intro { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(310px, .8fr); gap: var(--signature-gap); align-items: center; }
.signature-systems-intro h2 { margin: 0; max-width: 760px; font-family: "Fraunces", "Noto Sans JP", serif; font-size: clamp(38px, 5vw, 65px); line-height: 1.03; }
.signature-systems-intro > div > p:not(.eyebrow) { max-width: 740px; color: var(--ink-soft); line-height: 1.75; }
.signature-systems-intro button { margin-top: 16px; }
.signature-systems-intro > ul { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.signature-systems-intro > ul li { display: grid; grid-template-columns: auto 1fr; gap: 13px; border: 1px solid var(--border); border-radius: 18px; background: var(--white); padding: 16px; }
.signature-systems-intro > ul li > span { width: 13px; height: 13px; margin-top: 4px; border-radius: 50%; background: var(--mint); }
.signature-systems-intro > ul li[data-system-kind="access"] > span { background: var(--yellow); }
.signature-systems-intro > ul li[data-system-kind="safety"] > span { background: var(--coral); }
.signature-systems-intro li p { margin: 4px 0 0; color: var(--ink-soft); font-size: 12px; line-height: 1.5; }
.signature-systems-intro > p { grid-column: 1 / -1; min-height: 22px; margin: 0; color: var(--ink-soft); font-size: 12px; }
.signature-chapter-nav { display: grid; grid-template-columns: repeat(5, 1fr); gap: 7px; }
.signature-chapter-nav a { min-height: 74px; border: 1px solid var(--border); border-radius: 16px; background: var(--white); padding: 12px; text-decoration: none; }
.signature-chapter-nav a > span { display: block; margin-top: 6px; color: var(--ink-soft); font-size: 10px; line-height: 1.3; }
.signature-chapters { display: grid; gap: 12px; }
.signature-chapter { border: 1px solid var(--border); border-radius: 26px; background: var(--white); scroll-margin-top: 20px; }
.signature-chapter summary { display: grid; grid-template-columns: auto 1fr auto; gap: 22px; align-items: center; padding: clamp(22px, 4vw, 38px); cursor: pointer; list-style: none; }
.signature-chapter summary::-webkit-details-marker { display: none; }
.signature-chapter summary > span { display: grid; width: 50px; height: 50px; place-items: center; border-radius: 50%; background: var(--mint); font-weight: 800; }
.signature-chapter:nth-child(3n+2) summary > span { background: var(--yellow); }
.signature-chapter:nth-child(3n) summary > span { background: var(--blue); }
.signature-chapter summary h2 { margin: 0; font-family: "Fraunces", "Noto Sans JP", serif; font-size: clamp(26px, 3vw, 38px); }
.signature-chapter summary p { margin: 7px 0 0; color: var(--ink-soft); line-height: 1.55; }
.signature-chapter summary b { font-size: 28px; transition: transform .2s ease; }
.signature-chapter[open] summary b { transform: rotate(45deg); }
.signature-chapter__items { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--border); }
.signature-system { display: grid; grid-template-columns: 52px 1fr; gap: 12px; padding: clamp(20px, 3vw, 31px); scroll-margin-top: 24px; }
.signature-system:nth-child(odd) { border-right: 1px solid var(--border); }
.signature-system:nth-child(n+3) { border-top: 1px solid var(--border); }
.signature-system > span { color: var(--coral); font-size: 12px; font-weight: 800; }
.signature-system h3 { margin: 0 0 7px; font-size: 18px; line-height: 1.3; }
.signature-system p { margin: 0; color: var(--ink-soft); line-height: 1.65; }
.signature-system.is-picked { background: #fff5c9; box-shadow: inset 0 0 0 3px var(--yellow); }

.signature-phrases { display: grid; grid-template-columns: minmax(250px, .55fr) minmax(0, 1.45fr); gap: var(--signature-gap); border-radius: clamp(26px, 4vw, 42px); background: var(--ink); color: #fff; padding: clamp(28px, 6vw, 70px); }
.signature-phrases h2 { margin: 0; font-family: "Fraunces", "Noto Sans JP", serif; font-size: clamp(34px, 4vw, 54px); line-height: 1.05; }
.signature-phrases .eyebrow { color: rgba(255,255,255,.65); }
.signature-phrases > div:last-of-type { display: grid; gap: 9px; }
.signature-phrases > div:last-of-type > div { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; border: 1px solid rgba(255,255,255,.22); border-radius: 18px; padding: 16px 18px; }
.signature-phrases p[lang="ja"] { margin: 0; font-size: 17px; font-weight: 700; }
.signature-phrases span:not(.sr-only) { color: rgba(255,255,255,.68); font-size: 12px; }
.signature-phrases button { grid-column: 2; grid-row: 1 / span 2; min-height: 44px; border: 0; border-radius: 999px; background: var(--coral); padding: 8px 14px; color: var(--ink); font-size: 12px; font-weight: 800; cursor: pointer; }
.signature-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.signature-facts > * { border: 1px solid var(--border); border-radius: 25px; background: var(--white); padding: clamp(24px, 4vw, 38px); }
.signature-facts aside { background: var(--yellow); }
.signature-facts h2 { margin: 0 0 15px; font-family: "Fraunces", "Noto Sans JP", serif; font-size: 29px; }
.signature-facts p { color: var(--ink-soft); line-height: 1.65; }
.signature-facts ul { display: grid; gap: 9px; margin: 0; padding-left: 20px; }
.signature-facts a { text-underline-offset: 4px; }
.signature-facts section > p { margin: 18px 0 0; font-size: 12px; }
.signature-next { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.signature-next a { display: flex; min-height: 88px; align-items: center; justify-content: space-between; gap: 20px; border: 1px solid var(--border); border-radius: 18px; background: var(--white); padding: 18px; font-weight: 800; text-decoration: none; }

.signature-launch a:hover,
.signature-budget-nav a:hover,
.signature-chapter-nav a:hover,
.signature-next a:hover { border-color: var(--ink); transform: translateY(-2px); }
.signature-story :focus-visible,
.signature-launch :focus-visible { outline: 3px solid var(--coral); outline-offset: 4px; }

@media (max-width: 900px) {
  .signature-launch,
  .signature-lead,
  .signature-systems-intro,
  .signature-phrases { grid-template-columns: 1fr; }
  .signature-launch figure { order: -1; min-height: 0; }
  .signature-section-heading { grid-template-columns: 1fr; gap: 14px; }
  .signature-clock__nav { position: static; grid-template-columns: repeat(4, 1fr); }
  .signature-services > div:last-child,
  .signature-price-facts > div:last-child { grid-template-columns: repeat(2, 1fr); }
  .signature-budget__body { grid-template-columns: 1fr; }
  .signature-budget__decisions { grid-column: auto; }
  .signature-reading > div:last-child { grid-template-columns: 1fr; }
  .signature-chapter-nav { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  .signature-story { gap: 72px; }
  .signature-launch { margin-left: -4px; margin-right: -4px; }
  .signature-launch__copy { padding: 27px 22px 32px; }
  .signature-launch figcaption { position: static; border-radius: 0; background: var(--white); }
  .signature-clock__nav { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; }
  .signature-clock__nav a { min-width: 112px; scroll-snap-align: start; }
  .signature-clock__timeline { margin-left: 0; }
  .signature-clock__timeline::before { display: none; }
  .signature-clock__moment { grid-template-columns: 1fr; gap: 12px; }
  .signature-clock__time { flex-direction: row; justify-content: flex-start; }
  .signature-services > div:last-child,
  .signature-price-facts > div:last-child,
  .signature-budget-nav,
  .signature-budget__decisions,
  .signature-chapter-nav,
  .signature-chapter__items,
  .signature-facts,
  .signature-next { grid-template-columns: 1fr; }
  .signature-system:nth-child(odd) { border-right: 0; }
  .signature-system:nth-child(n+2) { border-top: 1px solid var(--border); }
  .signature-chapter summary { grid-template-columns: auto 1fr; gap: 13px; }
  .signature-chapter summary b { display: none; }
  .signature-phrases > div:last-of-type > div { grid-template-columns: 1fr; }
  .signature-phrases button { grid-column: auto; grid-row: auto; margin-top: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  .signature-launch a,
  .signature-budget-nav a,
  .signature-chapter-nav a,
  .signature-next a,
  .signature-chapter summary b { transition: none; }
  .signature-launch a:hover,
  .signature-budget-nav a:hover,
  .signature-chapter-nav a:hover,
  .signature-next a:hover { transform: none; }
}

@media (forced-colors: active) {
  .signature-clock__nav a.is-current,
  .signature-system.is-picked { outline: 3px solid CanvasText; }
  .signature-budget__bar i { background: CanvasText; }
}