:root {
  --tn-content: 70rem;
  --tn-gutter: 1rem;
  --tn-radius-sm: .75rem;
  --tn-radius-md: 1.15rem;
  --tn-radius-lg: 1.75rem;
  --tn-shadow: 0 1.4rem 4rem rgba(25, 24, 21, .08);
  --tn-section-space: 4.5rem;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 5rem; }
body { margin: 0; min-width: 20rem; font-family: system-ui, -apple-system, "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif; font-size: 1rem; line-height: 1.85; text-rendering: optimizeLegibility; line-break: strict; word-break: normal; overflow-wrap: anywhere; }
p { text-wrap: pretty; }
h1, h2, h3, summary, .tn-light-button { overflow-wrap: normal; word-break: keep-all; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
img, svg { display: block; max-width: 100%; }
.tn-light-container { width: min(100% - 2rem, var(--tn-content)); margin-inline: auto; }
.tn-light-section { padding-block: var(--tn-section-space); }
.tn-light-section--compact { padding-block: 3rem; }
.tn-light-section-heading { display: grid; gap: .65rem; margin-bottom: 2rem; }
.tn-light-section-heading h2 { margin: 0; max-width: 18em; font-size: clamp(1.75rem, 7.2vw, 2.75rem); line-height: 1.42; letter-spacing: .045em; text-wrap: balance; }
.tn-light-heading-line, .tn-light-title__line { display: block; }
.tn-light-balanced { text-wrap: balance; }
.tn-light-nowrap { white-space: nowrap; }
.tn-light-section-heading p { margin: 0; max-width: 45rem; }
.tn-light-eyebrow { margin: 0; text-transform: uppercase; letter-spacing: .2em; font-size: .72rem; font-weight: 800; }
.tn-light-header { position: sticky; top: 0; z-index: 30; backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
.tn-light-header__inner { min-height: 4.25rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.tn-light-brand { display: flex; align-items: center; gap: .65rem; font-weight: 800; letter-spacing: .07em; }
.tn-light-brand__mark { width: 2.25rem; aspect-ratio: 1; border-radius: 50%; display: grid; place-items: center; font-family: serif; }
.tn-light-menu-button { border: 0; background: transparent; min-width: 3rem; min-height: 3rem; border-radius: .75rem; display: grid; place-items: center; }
.tn-light-nav { position: absolute; left: 1rem; right: 1rem; top: 4.25rem; display: none; flex-direction: column; align-items: stretch; gap: .25rem; padding: 1rem; border-radius: 1rem; box-shadow: var(--tn-shadow); }
.tn-light-nav.is-open { display: flex; }
.tn-light-nav a { text-align: center; padding: .7rem; font-weight: 700; }
.tn-light-hero { overflow: hidden; position: relative; }
.tn-light-hero__inner { min-height: calc(100svh - 4.25rem); display: grid; gap: 1.75rem; align-items: center; padding-block: 3rem 4rem; }
.tn-light-hero__art { min-height: 15rem; order: -1; position: relative; display: grid; place-items: center; }
.tn-light-hero__kanji { font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: clamp(8rem, 44vw, 13rem); line-height: 1; font-weight: 700; user-select: none; }
.tn-light-hero__seal { position: absolute; right: 10%; bottom: 5%; width: 3.75rem; aspect-ratio: 1; display: grid; place-items: center; border-radius: .45rem; font-family: serif; font-weight: 800; writing-mode: vertical-rl; letter-spacing: .18em; }
.tn-light-title { margin: 0; max-width: 11em; font-size: clamp(2.25rem, 11.5vw, 4.8rem); line-height: 1.28; letter-spacing: .035em; text-wrap: balance; }
.tn-light-lead { max-width: 37rem; margin: 1.25rem 0 0; font-size: clamp(.98rem, 4vw, 1.05rem); line-height: 1.95; }
.tn-light-actions { display: grid; gap: .75rem; margin-top: 1.75rem; }
.tn-light-button { min-height: 3.25rem; padding: 0 1.4rem; border-radius: 999px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid transparent; font-weight: 800; letter-spacing: .04em; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.tn-light-button:hover { transform: translateY(-2px); }
.tn-light-button:focus-visible, .tn-light-menu-button:focus-visible, a:focus-visible { outline: 3px solid currentColor; outline-offset: 4px; }
.tn-light-grid { display: grid; gap: 1rem; }
.tn-light-card { border-radius: var(--tn-radius-md); padding: 1.4rem; box-shadow: var(--tn-shadow); }
.tn-light-card h3 { margin: 0 0 .55rem; font-size: clamp(1.14rem, 5vw, 1.28rem); line-height: 1.5; }
.tn-light-card p:last-child { margin-bottom: 0; }
.tn-light-split { display: grid; gap: 2rem; align-items: center; }
.tn-light-feature-list { list-style: none; margin: 1.35rem 0 0; padding: 0; display: grid; gap: .8rem; }
.tn-light-feature-list li { display: grid; grid-template-columns: 1.3rem 1fr; gap: .65rem; align-items: start; }
.tn-light-feature-list li::before { content: ""; width: .55rem; height: .55rem; border-radius: 50%; margin-top: .65em; }
.tn-light-price { display: flex; align-items: baseline; gap: .3rem; margin: 1rem 0 .45rem; }
.tn-light-price strong { font-size: 2rem; line-height: 1; }
.tn-light-schedule-wrap { overflow-x: auto; border-radius: var(--tn-radius-md); box-shadow: var(--tn-shadow); }
.tn-light-schedule { width: 100%; min-width: 30rem; border-collapse: collapse; }
.tn-light-schedule th, .tn-light-schedule td { padding: .85rem .9rem; text-align: left; border-bottom: 1px solid; }
.tn-light-schedule tr:last-child td { border-bottom: 0; }
.tn-light-faq { display: grid; gap: .75rem; }
.tn-light-faq details { border-radius: .9rem; padding-inline: 1rem; }
.tn-light-faq summary { cursor: pointer; font-size: .98rem; line-height: 1.65; list-style: none; min-height: 3.7rem; display: flex; align-items: center; justify-content: space-between; gap: .8rem; font-weight: 800; }
.tn-light-faq summary::-webkit-details-marker { display: none; }
.tn-light-faq summary::after { content: "＋"; font-size: 1.2rem; }
.tn-light-faq details[open] summary::after { content: "−"; }
.tn-light-faq__answer { padding: 0 0 1rem; }
.tn-light-map { min-height: 19rem; border-radius: var(--tn-radius-md); overflow: hidden; }
.tn-light-map iframe { width: 100%; height: 100%; min-height: 19rem; border: 0; }
.tn-light-contact { text-align: center; border-radius: var(--tn-radius-lg); padding: 2.25rem 1.25rem; }
.tn-light-contact h2 { margin: 0; font-size: clamp(2rem, 9vw, 3rem); }
.tn-light-footer { padding: 2rem 0; }
.tn-light-footer__inner { display: flex; align-items: flex-start; flex-direction: column; gap: 1rem; }
.tn-light-footer small { display: block; }
@media (max-width: 23.5rem) {
  :root { --tn-gutter: .9rem; --tn-section-space: 4rem; }
  .tn-light-container { width: min(100% - 1.8rem, var(--tn-content)); }
  .tn-light-brand { font-size: .92rem; letter-spacing: .045em; }
  .tn-light-title { font-size: clamp(2.1rem, 11vw, 2.55rem); }
  .tn-light-section-heading h2 { font-size: clamp(1.65rem, 7.4vw, 2rem); }
  .tn-light-card { padding: 1.25rem; }
  .tn-light-button { padding-inline: 1rem; font-size: .95rem; }
  .tn-light-contact { padding-inline: 1rem; }
}
@media (max-width: 47.99rem) {
  .tn-light-hero__inner { min-height: auto; padding-block: 2.4rem 4rem; }
  .tn-light-hero__art { min-height: 13.5rem; }
  .tn-light-section-heading { margin-bottom: 1.65rem; }
  .tn-light-actions .tn-light-button { width: 100%; }
  .tn-light-schedule { min-width: 0; table-layout: fixed; }
  .tn-light-schedule th, .tn-light-schedule td { padding: .8rem .7rem; }
  .tn-light-faq summary { padding-block: .7rem; }
}
@media (min-width: 48rem) {
  :root { --tn-gutter: 1.5rem; --tn-section-space: 5.5rem; }
  .tn-light-container { width: min(100% - 3rem, var(--tn-content)); }
  .tn-light-actions { display: flex; flex-wrap: wrap; }
  .tn-light-button { width: auto; }
  .tn-light-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tn-light-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .tn-light-card { padding: 1.8rem; }
  .tn-light-footer__inner { flex-direction: row; align-items: end; justify-content: space-between; }
}
@media (min-width: 64rem) {
  :root { --tn-section-space: 7rem; }
  .tn-light-menu-button { display: none; }
  .tn-light-nav { position: static; display: flex; flex-direction: row; align-items: center; gap: clamp(.8rem, 2vw, 1.7rem); padding: 0; border-radius: 0; box-shadow: none; background: transparent !important; }
  .tn-light-nav a { padding: .35rem 0; font-size: .9rem; }
  .tn-light-hero__inner { min-height: min(49rem, calc(100svh - 4.75rem)); grid-template-columns: minmax(0, 1.05fr) minmax(20rem, .8fr); gap: clamp(3rem, 7vw, 6rem); padding-block: 5rem 7rem; }
  .tn-light-hero__art { min-height: 28rem; order: initial; }
  .tn-light-hero__kanji { font-size: clamp(13rem, 25vw, 22rem); }
  .tn-light-title { font-size: clamp(3.4rem, 6.5vw, 6rem); }
  .tn-light-lead { font-size: 1.12rem; }
  .tn-light-split { grid-template-columns: minmax(0, 1fr) minmax(18rem, .74fr); gap: clamp(3rem, 7vw, 5.5rem); }
  .tn-light-contact { padding: 4.5rem 2rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
  .tn-light-reveal { opacity: 1; transform: none; }
}

/* CHG-0006: motion, accessibility and interaction polish */
html { scroll-padding-top: 5.25rem; }
body.tn-light-menu-open { overflow: hidden; }
[id] { scroll-margin-top: 5.25rem; }
.tn-light-skip-link {
  position: fixed;
  top: .75rem;
  left: .75rem;
  z-index: 100;
  padding: .75rem 1rem;
  border-radius: .55rem;
  background: #fff;
  color: #111;
  box-shadow: var(--tn-shadow);
  transform: translateY(-180%);
  transition: transform .18s ease;
}
.tn-light-skip-link:focus { transform: translateY(0); }
.tn-light-menu-button span { pointer-events: none; }
.tn-light-nav a[aria-current="location"]:not(.tn-light-button) { text-decoration: underline; text-underline-offset: .35em; }
.tn-light-button { touch-action: manipulation; -webkit-tap-highlight-color: transparent; }
.tn-light-button:active { transform: translateY(0) scale(.985); }
.tn-light-card, .tn-light-faq details { transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease; }
.tn-light-faq summary:focus-visible { outline: 3px solid currentColor; outline-offset: 4px; border-radius: .35rem; }
.tn-light-faq details[open] { box-shadow: var(--tn-shadow); }
.no-js .tn-light-reveal { opacity: 1; transform: none; }
.js .tn-light-reveal {
  opacity: 0;
  transform: translateY(1rem);
  transition: opacity .62s ease var(--tn-reveal-delay, 0s), transform .62s ease var(--tn-reveal-delay, 0s);
}
.js .tn-light-reveal.is-visible { opacity: 1; transform: none; }
.tn-light-section:not(:first-of-type) { content-visibility: auto; contain-intrinsic-size: auto 46rem; }
@media (hover: hover) and (pointer: fine) {
  .tn-light-card:hover { transform: translateY(-.25rem); box-shadow: 0 1.3rem 3rem rgba(20, 18, 15, .12); }
  .tn-light-faq details:hover { border-color: currentColor; }
}
@media (max-width: 63.99rem) {
  .tn-light-nav { max-height: calc(100svh - 5rem); overflow-y: auto; overscroll-behavior: contain; }
}
@media (prefers-reduced-motion: reduce) {
  .js .tn-light-reveal { opacity: 1; transform: none; }
  .tn-light-button:active { transform: none; }
}


/* CHG-0007: sales demo CTA, SEO release polish */
body { padding-bottom: calc(var(--tn-demo-bar-height, 6.6rem) + env(safe-area-inset-bottom)); }
.tn-template-demo-bar {
  position: fixed; inset: auto 0 0; z-index: 80;
  padding: .72rem max(var(--tn-gutter), env(safe-area-inset-right)) calc(.72rem + env(safe-area-inset-bottom)) max(var(--tn-gutter), env(safe-area-inset-left));
  background: rgba(25, 23, 20, .96); color: #fff;
  border-top: 1px solid rgba(255,255,255,.14);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
.tn-template-demo-bar__inner { width: min(100%, var(--tn-content)); margin-inline: auto; display: grid; gap: .65rem; align-items: center; }
.tn-template-demo-bar__inner > div { display: grid; gap: .1rem; min-width: 0; }
.tn-template-demo-bar strong { font-size: .98rem; line-height: 1.35; }
.tn-template-demo-bar span { font-size: .8rem; color: rgba(255,255,255,.76); }
.tn-template-demo-bar .tn-light-button { min-height: 2.8rem; padding-block: .65rem; width: 100%; }
@media (min-width: 48rem) {
  body { padding-bottom: calc(var(--tn-demo-bar-height, 5.2rem) + env(safe-area-inset-bottom)); }
  .tn-template-demo-bar__inner { grid-template-columns: minmax(0,1fr) auto; }
  .tn-template-demo-bar .tn-light-button { width: auto; min-width: 12rem; }
}
@media print { .tn-template-demo-bar { display: none !important; } body { padding-bottom: 0; } }


/* CHG-0008: responsive final review and device-fit adjustments */
html { overflow-x: clip; }
body { min-width: 20rem; }
.tn-light-visually-hidden {
  position: absolute !important; width: 1px !important; height: 1px !important;
  padding: 0 !important; margin: -1px !important; overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important; white-space: nowrap !important; border: 0 !important;
}
.tn-light-title__line, .tn-light-heading-line { max-width: 100%; }
.tn-light-lead, .tn-light-section-heading p, .tn-light-card p, .tn-light-faq__answer, .tn-light-contact p {
  hanging-punctuation: first allow-end last;
}
.tn-light-card, .tn-light-contact, .tn-light-map, .tn-light-schedule-wrap { min-width: 0; }
.tn-light-price { flex-wrap: wrap; }
.tn-light-map iframe { display: block; }
.tn-template-demo-bar__copy { min-width: 0; }
.tn-template-demo-bar__copy strong, .tn-template-demo-bar__copy span { overflow-wrap: normal; word-break: keep-all; }

@media (max-width: 23.5rem) {
  body { font-size: .975rem; }
  .tn-light-header__inner { min-height: 4rem; }
  .tn-light-nav { top: 4rem; left: .75rem; right: .75rem; }
  .tn-light-hero__inner { gap: 1.25rem; padding-block: 1.8rem 3.5rem; }
  .tn-light-hero__art { min-height: 11.5rem; }
  .tn-light-hero__kanji { font-size: clamp(7rem, 40vw, 9rem); }
  .tn-light-hero__seal { width: 3.1rem; right: 7%; }
  .tn-light-title { font-size: clamp(2rem, 10.6vw, 2.35rem); line-height: 1.3; letter-spacing: .025em; }
  .tn-light-lead { font-size: .96rem; line-height: 1.9; }
  .tn-light-section-heading h2 { font-size: clamp(1.6rem, 7.2vw, 1.9rem); line-height: 1.48; }
  .tn-light-card h3 { font-size: 1.12rem; }
  .tn-light-price strong { font-size: 1.8rem; }
  .tn-light-schedule th, .tn-light-schedule td { padding: .72rem .55rem; font-size: .9rem; }
  .tn-light-faq summary { font-size: .94rem; gap: .55rem; }
  .tn-template-demo-bar { padding-top: .58rem; }
  .tn-template-demo-bar__inner { gap: .5rem; }
  .tn-template-demo-bar strong { font-size: .9rem; }
  .tn-template-demo-bar span { font-size: .75rem; }
  .tn-template-demo-bar .tn-light-button { min-height: 2.65rem; font-size: .9rem; }
}

@media (min-width: 24rem) and (max-width: 47.99rem) {
  .tn-light-nowrap { white-space: nowrap; }
  .tn-light-title { max-width: 10.5em; }
}

@media (max-width: 47.99rem) and (orientation: landscape) and (max-height: 31rem) {
  .tn-light-hero__inner { grid-template-columns: minmax(0, 1.2fr) minmax(10rem, .8fr); gap: 1.25rem; padding-block: 1.75rem 3rem; }
  .tn-light-hero__art { order: initial; min-height: 10rem; }
  .tn-light-hero__kanji { font-size: clamp(7rem, 24vw, 10rem); }
  .tn-light-actions { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 48rem) and (max-width: 63.99rem) {
  .tn-light-hero__inner { grid-template-columns: minmax(0, 1fr) minmax(16rem, .72fr); gap: 2.5rem; }
  .tn-light-hero__art { order: initial; min-height: 22rem; }
  .tn-light-title { font-size: clamp(3rem, 6.8vw, 4.25rem); }
  .tn-light-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tn-light-grid--3 > :last-child:nth-child(odd) { grid-column: 1 / -1; max-width: calc(50% - .5rem); width: 100%; justify-self: center; }
}

@media (min-width: 64rem) {
  .tn-light-grid--3 > * { height: 100%; }
  .tn-light-card { display: flex; flex-direction: column; }
  .tn-light-card .tn-light-price + p, .tn-light-card p:last-child { margin-top: auto; }
}