/* Residential type, colors, header, metric cards and FAQ are shared. */
.ryoon-page { --ryoon-soft: #f3f6f5; }
.ryoon-page .home-header { background: #fffffffa; color: var(--ink); box-shadow: 0 1px 0 #29312d12; }
.ryoon-page .home-header .brand img { filter: none; }
.ryoon-page .eyebrow { font: 500 13px/1.7 var(--sans); letter-spacing: .17em; color: var(--accent); }
.ryoon-page p { overflow-wrap: anywhere; }
.ryoon-page .round-link { font-size: 15px; }
.ryoon-hero { position: relative; display: grid; grid-template-columns: .9fr 1.1fr; margin-top: 104px; min-height: 600px; background: var(--ryoon-soft); }
.ryoon-hero-photo { grid-column: 2; grid-row: 1; min-height: 600px; }
.ryoon-hero-photo > img { width: 100%; height: 100%; object-position: 58% center; }
.ryoon-hero-copy { grid-column: 1; grid-row: 1; align-self: center; padding: 64px 8% 78px 15.5%; }
.ryoon-hero h1 { font-size: clamp(30px, 3.05vw, 48px); line-height: 1.75; letter-spacing: .075em; white-space: nowrap; margin-top: 23px; }
.ryoon-name { display: block; font-size: 20px; letter-spacing: .2em; margin-bottom: 22px; }
.ryoon-definition { font-size: 17px; line-height: 2.2; margin-top: 24px; }
.ryoon-hero .round-link { margin-top: 30px; gap: 18px; }
.ryoon-hero-mark { position: absolute; width: 212px; bottom: 30px; right: 30px; padding: 18px 24px; background: #ffffffed; }
.ryoon-hero-mark img { width: 100%; height: auto; object-fit: contain; }
.ryoon-page .site-breadcrumb { background: white; border-bottom: 1px solid var(--line); font-size: 13px; padding-inline: 7%; }
.ryoon-intro-heading { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 15px 60px; }
.ryoon-intro-heading .eyebrow { grid-column: 1 / -1; }
.ryoon-intro h2 { font-size: 34px; line-height: 1.8; }
.ryoon-intro-heading > p:last-child { color: var(--muted); font-size: 17px; }
.ryoon-three { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 42px; margin-top: 50px; }
.ryoon-three > a { border-top: 1px solid #9baea5; padding-top: 18px; display: flex; flex-direction: column; align-items: start; }
.ryoon-mini-number { font: 22px/1.5 Georgia, serif; color: var(--accent); }
.ryoon-three h3 { font-size: 22px; line-height: 1.8; margin: 17px 0; }
.ryoon-three p { font: 16px/1.95 var(--sans); color: var(--muted); margin-bottom: 22px; }
.ryoon-mini-link { font: 14px/1.8 var(--sans); margin-top: auto; padding-bottom: 6px; border-bottom: 1px solid var(--line); }
.ryoon-mini-link > span { padding-left: 10px; }
.ryoon-three a:hover .ryoon-mini-link { border-color: var(--accent); color: var(--accent); }
.ryoon-index { display: flex; flex-wrap: wrap; justify-content: center; border-block: 1px solid var(--line); padding: 17px 0; font: 14px/2 var(--sans); gap: 6px 32px; }
.ryoon-index a:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 5px; }
.ryoon-performance .performance { background: #f6f8f5; }
.ryoon-page .performance-notes { font-size: 14px; }
.ryoon-page .performance-qualifier { font-size: 12px; }
.ryoon-about { background: var(--ryoon-soft); padding-block: 64px; }
.ryoon-about-layout { display: grid; grid-template-columns: 260px 1fr; gap: 85px; align-items: center; }
.ryoon-about-mark { text-align: center; }
.ryoon-about-mark img { width: 240px; height: auto; object-fit: contain; margin: auto; }
.ryoon-about-mark strong { display: block; margin-top: 18px; font: 500 22px/1.8 var(--serif); }
.ryoon-about-mark span { display: block; font: 13px/1.8 var(--sans); margin-top: 20px; }
.ryoon-about h2 { font-size: 28px; line-height: 1.8; margin: 14px 0 24px; }
.ryoon-about p:not(.eyebrow) { font: 16px/2.05 var(--sans); }
.ryoon-about .ryoon-source-note { font-size: 14px !important; color: var(--muted); margin-top: 18px; }
.ryoon-source-link { display: inline-block; font: 13px/1.9 var(--sans); text-decoration: underline; text-underline-offset: 4px; margin-top: 12px; color: var(--muted); }
.ryoon-section-lead { text-align: center; font-size: 17px; margin-top: -22px; margin-bottom: 64px; }
.ryoon-system-layout { display: grid; grid-template-columns: 1.15fr 1fr; align-items: center; gap: 72px; }
.ryoon-system-figure { min-width: 0; }
.ryoon-zoom { position: relative; display: block; background: white; }
.ryoon-zoom img { width: 100%; height: auto; object-fit: contain; }
.ryoon-zoom > span { display: block; width: fit-content; margin: 14px 0 0 auto; font: 13px/1.8 var(--sans); border-bottom: 1px solid #9faeaa; }
.ryoon-page figcaption { font: 12px/1.8 var(--sans); color: var(--muted); margin-top: 12px; }
.ryoon-system-copy h3 { font-size: 32px; line-height: 1.7; margin: 15px 0 24px; }
.ryoon-system-copy > p:not(.eyebrow), .ryoon-tech-card > p:not(.eyebrow), .ryoon-equipment p:not(.eyebrow) { font: 16px/2.1 var(--sans); }
.ryoon-system-points { padding: 0; list-style: none; margin: 32px 0 0; }
.ryoon-system-points li { display: flex; gap: 18px; padding: 19px 0; border-top: 1px solid var(--line); }
.ryoon-system-points li > span { color: var(--accent); font: 21px/1.8 Georgia, serif; }
.ryoon-system-points h4 { font: 500 18px/1.7 var(--serif); margin: 0 0 5px; }
.ryoon-system-points p { font: 14px/1.9 var(--sans); color: var(--muted); }
.ryoon-tech-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; margin-top: 90px; border-top: 1px solid var(--line); padding-top: 60px; }
.ryoon-tech-card figure { margin-bottom: 32px; }
.ryoon-tech-card figure img { height: 310px; object-fit: contain; }
.ryoon-tech-card h3, .ryoon-equipment h3 { font-size: 25px; line-height: 1.8; margin: 12px 0 20px; }
.ryoon-equipment { margin-top: 70px; display: grid; grid-template-columns: .85fr 1.15fr; gap: 54px; align-items: center; padding: 38px; background: var(--ryoon-soft); }
.ryoon-equipment figure img { width: 100%; height: auto; }
.ryoon-comfort { background: #f6f7f5; }
.ryoon-benefits { display: grid; gap: 78px; margin-top: 70px; }
.ryoon-benefit { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; scroll-margin-top: 30px; }
.ryoon-benefit figure img { width: 100%; height: 400px; object-fit: cover; }
.ryoon-benefit:nth-child(even) figure { grid-column: 2; grid-row: 1; }
.ryoon-benefit:nth-child(even) .ryoon-benefit-copy { grid-column: 1; grid-row: 1; }
.ryoon-benefit-label { display: flex; align-items: center; gap: 17px; font: 14px/1.6 var(--sans); }
.ryoon-benefit-label > span { font: 37px/1.3 Georgia, serif; color: #6b8c83; }
.ryoon-benefit h3, .ryoon-pet h3 { font-size: 29px; line-height: 1.85; margin: 20px 0 24px; }
.ryoon-benefit-copy > p:not(.ryoon-benefit-label), .ryoon-pet > div > p:not(.ryoon-benefit-label) { font: 16px/2.1 var(--sans); }
.ryoon-support { display: block; width: fit-content; margin-top: 25px; color: var(--accent); font: 13px/1.9 var(--sans); padding-top: 10px; border-top: 1px solid #b7c8c3; }
.ryoon-page .ryoon-note { font: 13px/1.9 var(--sans) !important; color: var(--muted); margin-top: 14px; }
.ryoon-filter-photo { background: white; padding: 25px; }
.ryoon-filter-photo img { height: 310px !important; object-fit: contain !important; }
.ryoon-pet { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; padding: 44px 0 0; border-top: 1px solid #b7c8c3; }
.ryoon-comfort-note { font: 14px/1.95 var(--sans); color: var(--muted); margin: 50px auto 0; max-width: 730px; text-align: center; }
.ryoon-movie { display: block; }
.ryoon-movie-intro { max-width: 780px; margin: 0 auto 32px; }
.ryoon-movie-intro h3 { font-size: 25px; line-height: 1.8; margin-bottom: 12px; }
.ryoon-movie-intro > p:last-child { font: 16px/2.1 var(--sans); }
.ryoon-video-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.ryoon-video-card { min-width: 0; }
.ryoon-video-card h4 { font: 600 19px/1.6 var(--sans); margin: 0 0 14px; }
.ryoon-video-card .ryoon-video + p { margin-top: 14px; }
.ryoon-video-card > p:not(.ryoon-note) { font: 14px/1.9 var(--sans); }
.ryoon-video { width: 100%; aspect-ratio: 16 / 9; background: #edf1ee; }
.ryoon-video iframe { width: 100%; height: 100%; border: 0; display: block; }
.ryoon-video-poster { width: 100%; height: 100%; display: block; position: relative; color: white; }
.ryoon-video-poster > img { width: 100%; height: 100%; object-fit: cover; }
.ryoon-video-poster::after { content: ''; position: absolute; inset: 0; background: linear-gradient(transparent 45%, #10242bce); }
.ryoon-video-play { position: absolute; z-index: 1; top: 50%; left: 50%; transform: translate(-50%, -50%); display: grid; place-items: center; width: 68px; height: 48px; border-radius: 12px; background: #c82828; font: 24px/1 Arial, sans-serif; padding-left: 3px; }
.ryoon-video-label { position: absolute; z-index: 1; bottom: 14px; left: 20px; font: 14px/1.7 var(--sans); }
.ryoon-video-poster:hover .ryoon-video-play { background: #e32929; }
.ryoon-works { border-top: 1px solid var(--line); }
.ryoon-case-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; }
.ryoon-case-grid img { aspect-ratio: 4 / 3; width: 100%; height: auto; object-fit: cover; }
.ryoon-case-grid > a > span { display: block; font: 13px/1.8 var(--sans); margin: 20px 0 10px; color: var(--muted); }
.ryoon-case-grid h3 { position: relative; font-size: 23px; line-height: 1.8; padding-right: 32px; }
.ryoon-case-grid h3 > span { position: absolute; bottom: 0; right: 0; }
.ryoon-case-grid a:hover h3 { color: var(--accent); }
.ryoon-page .faq-heading .eyebrow { font-size: 13px; }
.ryoon-page .faq-answer { font-size: 16px; }
.ryoon-contact { color: white; background: var(--navy); text-align: center; }
.ryoon-contact .eyebrow { color: #b8d4d8; }
.ryoon-contact h2 { font-size: 37px; line-height: 1.8; margin: 22px 0 26px; }
.ryoon-contact-lead { font-size: 19px; line-height: 2.1; }
.ryoon-contact-detail { font: 15px/2.1 var(--sans); color: #d2e1e2; margin: 25px auto 0; max-width: 780px; }
.ryoon-contact-actions { display: flex; justify-content: center; gap: 20px; margin: 38px auto 0; max-width: 780px; }
.ryoon-contact-actions a { min-width: 0; flex: 1; border: 1px solid #94adb4; display: flex; align-items: center; justify-content: center; gap: 14px; min-height: 70px; padding: 16px; font: 500 16px/1.6 var(--sans); }
.ryoon-contact-actions .ryoon-line { background: #06c755; color: #fff; border-color: #06c755; }
.ryoon-contact-actions .ryoon-line img { filter: brightness(0) invert(1); }
.ryoon-contact-actions a > span { margin-left: auto; }
.ryoon-contact-actions a:hover { box-shadow: inset 0 0 0 1px currentColor; }
.ryoon-contact-company { font: 14px/1.8 var(--sans); margin-top: 26px; }
.ryoon-mobile-contact { display: none; }
.ryoon-image-dialog { max-width: min(980px, 94vw); width: fit-content; max-height: 94dvh; padding: 58px 24px 24px; border: 0; background: white; color: var(--ink); }
.ryoon-image-dialog::backdrop { background: #12252ade; }
.ryoon-image-dialog > img { max-height: 74dvh; max-width: 100%; width: auto; height: auto; object-fit: contain; margin: auto; }
.ryoon-dialog-close { position: absolute; top: 10px; right: 15px; padding: 8px 12px; background: white; border: 1px solid var(--line); font: 14px/1.5 var(--sans); }
.ryoon-image-dialog p { margin: 16px auto 0; max-width: 640px; font: 13px/1.8 var(--sans); }
body:has(.ryoon-image-dialog[open]) { overflow: hidden; }
.ryoon-hero { display: block; min-height: 0; background: #f3f6f5; padding: 76px 0 72px; }
.ryoon-hero-inner { display: grid; grid-template-columns: minmax(0,1.2fr) minmax(280px,.8fr); gap: 8%; align-items: center; }
.ryoon-hero-copy { padding: 0; }
.ryoon-hero h1 { white-space: normal; margin: 10px 0 22px; font-size: clamp(34px,3.2vw,48px); line-height: 1.5; }
.ryoon-hero-copy > p:not(.eyebrow) { max-width: 660px; font: 16px/2 var(--sans); }
.ryoon-hero .ryoon-definition { font-size: 20px !important; line-height: 1.85 !important; margin-bottom: 18px; }
.ryoon-hero-aside { background: #fff; padding: 36px 38px; border-top: 3px solid var(--accent); }
.ryoon-hero-aside img { width: 180px; height: auto; object-fit: contain; }
.ryoon-hero-aside h2 { font-size: 22px; line-height: 1.5; margin: 25px 0 12px; }
.ryoon-hero-aside p { font: 15px/1.9 var(--sans); }
.ryoon-intro-heading { display: block; }
.ryoon-intro h2 { margin-top: 12px; }
.ryoon-three > a { min-height: 220px; }
.ryoon-three h3 { font-size: 21px; line-height: 1.65; }
.ryoon-works .ryoon-case-grid { margin-top: 30px; }
@media (max-width: 1100px) {
  .ryoon-hero { margin-top: 88px; min-height: 560px; }
  .ryoon-hero-photo { min-height: 560px; }
  .ryoon-hero-copy { padding-left: 12%; padding-right: 6%; }
  .ryoon-hero h1 { font-size: 32px; }
  .ryoon-three { gap: 24px; }
  .ryoon-three h3 { font-size: 20px; }
  .ryoon-about-layout { gap: 45px; grid-template-columns: 220px 1fr; }
  .ryoon-system-layout, .ryoon-benefit, .ryoon-pet { gap: 40px; }
  .ryoon-system-copy h3 { font-size: 28px; }
  .ryoon-tech-pair { gap: 40px; }
}
@media (max-width: 760px) {
  .ryoon-hero { padding: 42px 0 50px; }
  .ryoon-hero-inner { display: block; }
  .ryoon-hero-copy { padding: 0; }
  .ryoon-hero-aside { margin-top: 34px; padding: 26px; }
  .ryoon-hero .ryoon-definition { font-size: 18px !important; }
  .ryoon-three > a { min-height: 0; }
  .ryoon-page .wrap { width: calc(100% - 40px); }
  .ryoon-page .section { padding-block: 66px; }
  .ryoon-hero { display: flex; flex-direction: column; margin-top: 80px; min-height: 0; }
  .ryoon-hero-photo { order: 0; height: 290px; min-height: 0; }
  .ryoon-hero-photo > img { object-position: center 54%; }
  .ryoon-hero-copy { order: 1; align-self: stretch; padding: 32px 24px 40px; }
  .ryoon-hero h1 { font-size: clamp(22px, 6.65vw, 32px); letter-spacing: .045em; margin-top: 12px; white-space: normal; }
  .ryoon-name { font-size: 18px; margin-bottom: 13px; }
  .ryoon-definition { font-size: 16px; margin-top: 18px; }
  .ryoon-hero .round-link { margin-top: 22px; }
  .ryoon-hero-mark { top: 188px; bottom: auto; right: 20px; width: 156px; padding: 13px 18px; }
  .ryoon-intro-heading { display: block; }
  .ryoon-intro h2 { font-size: 28px; margin: 16px 0; }
  .ryoon-intro-heading > p:last-child { font-size: 16px; }
  .ryoon-three { grid-template-columns: 1fr; gap: 26px; margin-top: 35px; }
  .ryoon-three > a { display: grid; grid-template-columns: 34px 1fr; gap: 0 15px; padding-top: 20px; }
  .ryoon-mini-number { grid-column: 1; grid-row: 1; }
  .ryoon-three h3 { grid-column: 2; margin: 0 0 13px; font-size: 21px; }
  .ryoon-three p, .ryoon-mini-link { grid-column: 2; }
  .ryoon-three p { margin-bottom: 14px; }
  .ryoon-mini-link { width: fit-content; }
  .ryoon-index { justify-content: flex-start; gap: 8px 22px; font-size: 13px; }
  .ryoon-page .section-title { margin-bottom: 40px; }
  .ryoon-page .section-title h2 { font-size: 23px; line-height: 1.8; letter-spacing: .045em; }
  .ryoon-page .section-title .english { font-size: clamp(30px, 8.5vw, 43px); margin-bottom: 14px; }
  .ryoon-page .performance { gap: 26px 16px; padding: 26px 12px; }
  .ryoon-page .performance-value { flex-wrap: wrap; gap: 3px; }
  .ryoon-page .performance-qualifier { font-size: 12px; line-height: 1.3; }
  .ryoon-page .performance-notes { font-size: 14px; margin-top: 28px; }
  .ryoon-page .performance > div { grid-template-rows: 22px 66px; }
  .ryoon-page .performance-number { font-size: 43px; }
  .ryoon-about { padding-block: 45px; }
  .ryoon-about-layout { display: flex; flex-direction: column; gap: 35px; }
  .ryoon-about-mark img { width: 200px; }
  .ryoon-about-mark span { margin-top: 12px; }
  .ryoon-about h2 { font-size: 25px; }
  .ryoon-system-layout { display: flex; flex-direction: column; gap: 34px; }
  .ryoon-system-copy { order: -1; }
  .ryoon-system-copy h3 { font-size: 28px; }
  .ryoon-section-lead { font-size: 16px; margin-bottom: 40px; }
  .ryoon-tech-pair { grid-template-columns: 1fr; margin-top: 48px; padding-top: 38px; gap: 42px; }
  .ryoon-tech-card figure img { height: auto; max-height: 330px; }
  .ryoon-tech-card h3, .ryoon-equipment h3 { font-size: 24px; }
  .ryoon-equipment { grid-template-columns: 1fr; margin-top: 40px; gap: 28px; padding: 24px; }
  .ryoon-benefits { gap: 48px; margin-top: 40px; }
  .ryoon-benefit { display: flex; flex-direction: column; gap: 28px; align-items: stretch; }
  .ryoon-benefit figure img { height: 310px; }
  .ryoon-benefit h3, .ryoon-pet h3 { font-size: 26px; margin: 16px 0 18px; }
  .ryoon-filter-photo img { height: auto !important; }
  .ryoon-pet { grid-template-columns: 1fr; gap: 8px; padding-top: 36px; }
  .ryoon-support { margin-top: 20px; }
  .ryoon-comfort-note { text-align: left; margin-top: 35px; }
  .ryoon-movie-intro h3 { font-size: 23px; }
  .ryoon-video-grid { grid-template-columns: 1fr; gap: 42px; }
  .ryoon-case-grid { grid-template-columns: 1fr; gap: 38px; }
  .ryoon-case-grid h3 { font-size: 22px; }
  .ryoon-page .faq-layout { grid-template-columns: 1fr; gap: 28px; }
  .ryoon-page .faq-answer { padding: 0 6px 24px 0; font-size: 16px; }
  .ryoon-page .faq-items summary { padding-block: 21px; font-size: 16px; grid-template-columns: 28px 1fr 18px; gap: 9px; }
  .ryoon-contact h2 { font-size: 29px; }
  .ryoon-contact-lead { font-size: 17px; }
  .ryoon-contact-detail { text-align: left; }
  .ryoon-contact-actions { flex-direction: column; gap: 15px; }
  .ryoon-contact-actions a { flex: auto; min-height: 66px; padding-inline: 24px; }
  .desktop-break { display: none; }
  .ryoon-mobile-contact { display: grid; grid-template-columns: 1fr 1fr; position: fixed; bottom: 0; left: 0; right: 0; background: white; z-index: 28; padding-bottom: env(safe-area-inset-bottom); border-top: 1px solid var(--line); }
  .ryoon-mobile-contact a { min-height: 58px; display: flex; align-items: center; justify-content: center; gap: 8px; font: 500 14px/1.4 var(--sans); }
  .ryoon-mobile-contact .ryoon-mobile-line { background: var(--navy); color: white; }
  .ryoon-mobile-line img { filter: brightness(0) invert(1); }
  body.ryoon-page { padding-bottom: calc(80px + env(safe-area-inset-bottom)); }
  body:has(#mobile-menu:not([hidden])) .ryoon-mobile-contact { visibility: hidden; }
  .ryoon-image-dialog { padding-inline: 12px; }
}
@media (prefers-reduced-motion: reduce) { .ryoon-page { scroll-behavior: auto; } html:has(.ryoon-page) { scroll-behavior: auto; } }
@media (max-width: 1100px) { .ryoon-hero { min-height: 0; } }
@media (max-width: 760px) {
  .ryoon-hero { display: block; min-height: 0; padding: 40px 0 52px; }
  .ryoon-hero-copy { padding: 0; }
  .ryoon-hero h1 { font-size: 32px; }
  .ryoon-hero .round-link { margin-top: 26px; }
  .ryoon-hero-aside { margin-top: 34px; }
  .ryoon-three > a { display: flex; min-height: 0; }
  .ryoon-three h3 { margin: 8px 0 18px; }
}
.ryoon-page .site-breadcrumb { margin-top: 104px; border-bottom: 0; background: #f3f6f5; }
.ryoon-hero { margin-top: 0; padding-top: 35px; }
.ryoon-hero-inner { display: block; }
.ryoon-hero-copy { max-width: 790px; }
.ryoon-hero-brand { width: 190px; margin-bottom: 29px; }
.ryoon-hero-brand img { width: 100%; height: auto; object-fit: contain; }
.ryoon-hero-aside { display: grid; grid-template-columns: 190px 1fr; column-gap: 48px; align-items: start; margin-top: 60px; padding: 31px 38px; border: 1px solid #d5ded9; }
.ryoon-hero-aside img { width: 180px; grid-row: 1 / 4; }
.ryoon-hero-aside h2 { margin: 0 0 8px; }
.ryoon-hero-aside .ryoon-source-link { margin-top: 10px; }
.ryoon-video-credit { border-left: 0; padding-left: 0; margin: 16px 0 0; }
.ryoon-works-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 45px; min-width: 260px; max-width: 100%; padding: 13px 24px; border: 1px solid #777e78; border-radius: 0; font: 15px/1.7 var(--sans); }
.ryoon-works-link:hover { background: var(--ink); color: #fff; }
.ryoon-works-link span { font-size: 20px; }
@media (max-width: 760px) {
  .ryoon-page .site-breadcrumb { margin-top: 80px; }
  .ryoon-hero { margin-top: 0; padding-top: 22px; }
  .ryoon-hero-brand { width: 150px; margin-bottom: 24px; }
  .ryoon-hero-aside { display: block; margin-top: 38px; padding: 26px; }
  .ryoon-hero-aside img { margin-bottom: 20px; }
}
.ryoon-partnership { border: 1px solid #cbd7d2; background: #fff; }
.ryoon-partnership-logos { display: flex; align-items: center; justify-content: center; gap: clamp(28px, 5vw, 80px); padding: 38px 45px; }
.ryoon-partnership-logos img { display: block; height: auto; object-fit: contain; }
.ryoon-partnership-house { width: min(28%, 255px); }
.ryoon-partnership-builder { width: min(44%, 420px); }
.ryoon-partnership-times { color: #62767a; font: 300 44px/1 var(--sans); }
.ryoon-partnership-footer { display: flex; align-items: center; justify-content: center; gap: 20px; padding: 17px 26px; border-top: 1px solid #e0e7e4; background: #f9fbfa; font: 13px/1.8 var(--sans); }
.ryoon-partnership-footer img { width: 112px; height: auto; }
.ryoon-partnership-footer p { margin: 0; }
.ryoon-partnership-footer a { text-decoration: underline; text-underline-offset: 3px; }
.ryoon-hero-copy { max-width: 830px; margin-top: 70px; }
.ryoon-hero-comparison { margin-top: 32px; }
.ryoon-hero-comparison h2 { font-size: 21px; line-height: 1.7; margin: 0 0 6px; }
.ryoon-hero-comparison p { font: 15px/1.95 var(--sans); }
#pets figure img { object-fit: contain; background: #f6f7f5; }
@media (max-width: 760px) {
  .ryoon-partnership-logos { display: grid; grid-template-columns: minmax(0, .85fr) 22px minmax(0, 1.65fr); gap: 6px; padding: 22px 12px; }
  .ryoon-partnership-house, .ryoon-partnership-builder { width: 100%; }
  .ryoon-partnership-times { font-size: 22px; text-align: center; }
  .ryoon-partnership-footer { flex-wrap: wrap; justify-content: flex-start; gap: 8px 12px; padding: 17px 20px; }
  .ryoon-partnership-footer img { width: 100px; }
  .ryoon-partnership-footer p { flex: 1 1 150px; }
  .ryoon-partnership-footer a { margin-left: 112px; }
  .ryoon-hero-copy { margin-top: 46px; }
  #pets figure img { height: auto; max-height: 450px; }
}
.ryoon-page .site-breadcrumb, .ryoon-hero { background: #f6f7f5; }
.ryoon-hero-copy { margin-inline: auto; }
.ryoon-hero .section-title { margin-bottom: 34px; }
.ryoon-hero .section-title h1 { font-size: 26px; line-height: 1.65; letter-spacing: .09em; margin: 0; white-space: normal; }
.ryoon-hero .section-title .english { margin-bottom: 18px; }
.ryoon-hero .ryoon-definition { max-width: none; }
.ryoon-comfort-answer { max-width: 730px; margin: -20px auto 0; text-align: center; font: 17px/2 var(--sans); }
@media (max-width: 760px) {
  .ryoon-hero .section-title h1 { font-size: 23px; line-height: 1.75; }
  .ryoon-comfort-answer { margin-top: -15px; text-align: left; font-size: 16px; }
}
.ryoon-hero-copy { max-width: 1140px; }
.ryoon-what-layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 28px; width: 100%; max-width: 900px; margin-inline: auto; }
.ryoon-what-layout > figure { margin: 0; }
.ryoon-hero .ryoon-what-layout .ryoon-definition { margin: 0; font-size: 18px !important; line-height: 1.9 !important; text-align: left; }
.ryoon-what-layout p { font: 16px/2 var(--sans); }
.ryoon-what-layout figure img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; object-position: center; }
.ryoon-hero-comparison { margin-top: 58px; padding-top: 35px; border-top: 1px solid #cbd7d2; }
.ryoon-comparison-layout { display: grid; grid-template-columns: minmax(0, 1fr) 270px; gap: 55px; align-items: center; }
.ryoon-comparison-layout figure img { display: block; width: 100%; height: auto; }
.ryoon-comparison-layout p { font: 16px/2 var(--sans); }
.ryoon-hero figcaption { font: 12px/1.7 var(--sans); color: var(--muted); margin-top: 8px; }
.ryoon-support { display: inline-block; width: auto; padding: 9px 15px; border: 1px solid #8fada2; background: #e4efea; color: #245346; font: 600 14px/1.7 var(--sans); }
.ryoon-page .section-title .english { font: 500 13px/1.7 var(--sans); letter-spacing: .16em; color: var(--accent); margin-bottom: 12px; }
.ryoon-page .section-title h2 { font-size: clamp(29px, 3.1vw, 42px); line-height: 1.55; letter-spacing: .05em; }
.ryoon-page .contact .section-title .english { color: #a7c2c9; }
.ryoon-page .contact .section-title h2 { font-size: 28px; }
.ryoon-hero .section-title h1 { font-size: clamp(32px, 3.5vw, 46px); line-height: 1.5; letter-spacing: .05em; }
.ryoon-benefit-label { font-size: clamp(25px, 2.3vw, 31px); line-height: 1.5; font-family: var(--serif); }
.ryoon-benefit-label > span { font-size: 26px; line-height: 1.5; }
.ryoon-benefit h3, .ryoon-pet h3 { font-size: 23px; line-height: 1.8; margin: 14px 0 20px; }
.ryoon-benefit .ryoon-support, .ryoon-pet .ryoon-support { margin: 20px 0 0; }
.ryoon-ventilation h3 { font-size: 32px; line-height: 1.7; margin: 15px 0 28px; }
.ryoon-ventilation-figures { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; align-items: start; }
.ryoon-ventilation-figures figure { min-width: 0; padding: 18px; background: #fff; border: 1px solid #d3ddd8; }
.ryoon-ventilation-figures .ryoon-zoom { display: flex; flex-direction: column; justify-content: center; min-height: 330px; background: #f6f8f7; }
.ryoon-ventilation-figures .ryoon-zoom img { width: 100%; height: 280px; object-fit: contain; }
.ryoon-ventilation-figures .ryoon-zoom > span { margin-right: 12px; }
.ryoon-ventilation-figures figcaption { min-height: 3.6em; }
.ryoon-ventilation-copy { max-width: 900px; margin: 34px auto 0; }
.ryoon-ventilation-copy > p, .ryoon-ventilation-comparison p { font: 16px/2.1 var(--sans); }
.ryoon-system-points { margin: 42px 0 0; }
.ryoon-system-points li { display: grid; grid-template-columns: 44px minmax(0, .9fr) minmax(0, 1.1fr); gap: 24px; align-items: start; padding: 27px 0; }
.ryoon-system-points li > span { font-size: 22px; line-height: 1.5; }
.ryoon-system-points h4 { font-size: clamp(21px, 2vw, 26px); line-height: 1.55; margin: 0; }
.ryoon-system-points p { font-size: 16px; line-height: 1.9; }
.ryoon-ventilation-comparison { background: #e4efea; border: 1px solid #8fada2; padding: 24px 28px; margin-top: 30px; }
.ryoon-ventilation-comparison h4 { color: #245346; font: 600 18px/1.7 var(--sans); margin-bottom: 8px; }
.ryoon-tech-card h3 { margin-bottom: 24px; }
.ryoon-tech-card figure { margin-bottom: 22px; }
.ryoon-tech-pair { row-gap: 72px; }
.ryoon-equipment { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); grid-template-rows: auto auto 1fr auto; column-gap: 64px; row-gap: 0; align-items: start; margin: 0; padding: 0; background: transparent; }
.ryoon-equipment figure { max-width: none; }
.ryoon-equipment figure img { height: 310px; object-fit: contain; }
.ryoon-benefit-label { font: 14px/1.6 var(--sans); }
.ryoon-benefit-label > span { font: 37px/1.3 Georgia, serif; }
.ryoon-benefit h3, .ryoon-pet h3 { font-size: 29px; line-height: 1.85; margin: 20px 0 24px; }
.ryoon-benefit h3.ryoon-benefit-label { font: 500 clamp(24px, 2.3vw, 31px)/1.55 var(--serif); margin: 0 0 24px; }
.ryoon-benefit h3.ryoon-benefit-label > span { font: 26px/1.4 Georgia, serif; }
.ryoon-ventilation-main { max-width: 840px; margin: 0 auto; padding: 24px; background: #fff; }
.ryoon-ventilation-main img { display: block; width: 100%; height: auto; }
.ryoon-mechanism-nav { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; max-width: 920px; margin: -10px auto 58px; }
.ryoon-mechanism-nav a { display: flex; align-items: center; justify-content: center; text-align: center; min-height: 58px; padding: 12px 17px; border: 1px solid #a8bcb3; color: #245346; font: 600 16px/1.5 var(--sans); }
.ryoon-mechanism-nav a:hover, .ryoon-mechanism-nav a:focus-visible { background: #e4efea; }
#ventilation, #insulation, #heat-exchange, #air-conditioning { scroll-margin-top: 110px; }
.ryoon-ventilation-intro { margin-top: 24px; font-weight: 600 !important; }
.ryoon-ventilation-intro + .ryoon-system-points { margin-top: 16px; }
.ryoon-ventilation-figures { margin-top: 40px; }
.ryoon-ventilation-comparison { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 24px; }
.ryoon-ventilation-comparison { max-width: 1000px; margin: 36px auto 0; }
.ryoon-ventilation-comparison h4, .ryoon-ventilation-comparison small, .ryoon-ventilation-comparison .ryoon-comparison-key { grid-column: 1 / -1; }
.ryoon-ventilation-comparison .ryoon-comparison-key strong { display: inline; margin: 0; color: #173e34; font: 700 19px/1.7 var(--sans); }
.ryoon-ventilation-comparison strong { display: block; margin-bottom: 7px; color: #245346; font: 600 15px/1.7 var(--sans); }
.ryoon-ventilation-comparison > div { min-width: 0; padding: 22px 24px; background: #fff; border: 1px solid #c1d3c9; }
.ryoon-ventilation-comparison > div:first-of-type { border-color: #7ba392; }
.ryoon-ventilation-comparison p { margin: 0; }
.ryoon-ventilation-comparison small { color: var(--muted); font: 12px/1.7 var(--sans); }
.ryoon-tech-pair { display: grid; grid-template-columns: 1fr; gap: 0; }
.ryoon-tech-card { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); grid-template-rows: auto auto 1fr auto; align-items: start; column-gap: 64px; padding: 42px 0; border-bottom: 1px solid var(--line); }
.ryoon-tech-card figure { grid-column: 1; grid-row: 1 / 5; margin: 0; }
.ryoon-tech-card .eyebrow, .ryoon-tech-card h3, .ryoon-tech-card > p:not(.eyebrow), .ryoon-tech-card > .ryoon-source-link { grid-column: 2; }
.ryoon-tech-card .eyebrow { grid-row: 1; }
.ryoon-tech-card h3 { grid-row: 2; margin: 8px 0 18px; }
.ryoon-tech-card > p:not(.eyebrow) { grid-row: 3; }
.ryoon-tech-card > .ryoon-source-link { grid-row: 4; }
.ryoon-tech-card figure img, .ryoon-equipment figure img { width: 100%; height: 290px; object-fit: contain; }
.ryoon-equipment { padding: 42px 0; }
.ryoon-ventilation-main img { max-height: min(68vh, 650px); width: auto; max-width: 100%; margin-inline: auto; object-fit: contain; }
.ryoon-insulation { display: block; }
.ryoon-insulation .eyebrow, .ryoon-insulation h3, .ryoon-insulation > p, .ryoon-insulation > .ryoon-source-link { display: block; }
.ryoon-insulation-lead { max-width: 850px; margin: 0 0 28px; }
.ryoon-insulation-comparison { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; max-width: 930px; }
.ryoon-insulation-comparison figure { margin: 0; min-width: 0; padding: 20px; background: #f6f8f5; }
.ryoon-tech-card .ryoon-insulation-comparison figure { grid-column: auto; grid-row: auto; }
.ryoon-insulation-comparison h4 { margin-bottom: 14px; font: 600 19px/1.7 var(--sans); }
.ryoon-method-label { display: block; text-align: center; margin-bottom: 12px; color: #52645d; font: 600 15px/1.6 var(--sans); }
.ryoon-insulation-primary .ryoon-method-label { color: #9f3f34; }
.ryoon-tech-card .ryoon-insulation-comparison img { display: block; width: 100%; height: 320px; object-fit: contain; }
.ryoon-insulation-comparison .ryoon-insulation-primary { border: 2px solid #b65d50; background: #fff4f0; }
.ryoon-insulation-primary h4 { color: #9f3f34; }
.ryoon-insulation-primary .ryoon-zoom { border: 1px solid #cc7a6e; }
.ryoon-insulation-summary { max-width: 900px; margin-top: 28px; }
.ryoon-protection { background: #f6f7f5; }
.ryoon-protection-block { max-width: 1040px; margin: 0 auto; padding: 36px 0 48px; border-top: 1px solid var(--line); }
.ryoon-protection-block + .ryoon-protection-block { margin-top: 12px; }
.ryoon-protection-block h3 { font-size: 27px; line-height: 1.7; margin-bottom: 28px; }
.ryoon-protection-block > p, .ryoon-protection-earthquake-layout p { font: 16px/2.1 var(--sans); max-width: 900px; }
.ryoon-protection-images { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; align-items: start; margin-bottom: 24px; }
.ryoon-protection-images figure { min-width: 0; background: white; padding: 16px; }
.ryoon-protection-images img { display: block; width: 100%; height: 340px; object-fit: contain; }
.ryoon-protection-earthquake-layout { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 52px; align-items: start; }
.ryoon-protection-earthquake-layout figure img { display: block; width: 100%; max-height: 380px; object-fit: cover; }
.ryoon-protection-earthquake-layout p + p { margin-top: 16px; }
.ryoon-page figure figcaption { display: none; }
#pets figure img { object-fit: cover; background: transparent; }
@media (max-width: 760px) {
  .ryoon-page .section-title .english { font-size: 12px; margin-bottom: 10px; }
  .ryoon-page .section-title h2 { font-size: 28px; line-height: 1.6; }
  .ryoon-page .contact .section-title h2 { font-size: 22px; }
  .ryoon-hero .section-title h1 { font-size: 30px; }
  .ryoon-benefit-label { font-size: 26px; }
  .ryoon-benefit-label > span { font-size: 22px; }
  .ryoon-benefit h3, .ryoon-pet h3 { font-size: 21px; }
  .ryoon-what-layout, .ryoon-comparison-layout { grid-template-columns: 1fr; gap: 25px; }
  .ryoon-what-layout figure img { height: auto; }
  .ryoon-hero .ryoon-what-layout .ryoon-definition { font-size: 16px !important; }
  .ryoon-hero-comparison { margin-top: 40px; padding-top: 28px; }
  .ryoon-comparison-layout figure { max-width: 300px; margin-inline: auto; }
  .ryoon-support { font-size: 13px; }
  .ryoon-ventilation h3 { font-size: 28px; }
  .ryoon-ventilation-figures { gap: 10px; }
  .ryoon-ventilation-figures figure { padding: 8px; }
  .ryoon-ventilation-figures .ryoon-zoom { min-height: 200px; }
  .ryoon-ventilation-figures .ryoon-zoom img { height: 160px; }
  .ryoon-ventilation-figures figcaption { font-size: 11px; min-height: 0; }
  .ryoon-ventilation-comparison { padding: 20px; }
  .ryoon-system-points li { grid-template-columns: 32px minmax(0, 1fr); gap: 7px 14px; padding: 24px 0; }
  .ryoon-system-points h4 { font-size: 21px; }
  .ryoon-system-points p { grid-column: 2; font-size: 15px; }
  .ryoon-equipment figure img { height: auto; max-height: 330px; }
  .ryoon-benefit-label { font: 14px/1.6 var(--sans); }
  .ryoon-benefit-label > span { font: 37px/1.3 Georgia, serif; }
  .ryoon-benefit h3, .ryoon-pet h3 { font-size: 26px; margin: 16px 0 18px; }
  .ryoon-ventilation-comparison { grid-template-columns: 1fr; }
  .ryoon-mechanism-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; margin: -4px auto 38px; }
  .ryoon-mechanism-nav a { min-height: 52px; padding: 10px 13px; font-size: 15px; }
  .ryoon-ventilation-main { padding: 8px; }
  .ryoon-ventilation-comparison .ryoon-comparison-key strong { font-size: 17px; }
  .ryoon-tech-card { display: grid; grid-template-columns: 1fr; gap: 0; padding: 32px 0; }
  .ryoon-tech-card .eyebrow, .ryoon-tech-card h3, .ryoon-tech-card figure, .ryoon-tech-card > p:not(.eyebrow), .ryoon-tech-card > .ryoon-source-link { grid-column: 1; }
  .ryoon-tech-card .eyebrow { grid-row: 1; }
  .ryoon-tech-card h3 { grid-row: 2; }
  .ryoon-tech-card figure { grid-row: 3; margin-bottom: 18px; }
  .ryoon-tech-card > p:not(.eyebrow) { grid-row: 4; }
  .ryoon-tech-card > .ryoon-source-link { grid-row: 5; }
  .ryoon-tech-card figure img, .ryoon-equipment figure img { height: auto; max-height: 330px; }
  .ryoon-equipment { grid-template-columns: 1fr; column-gap: 0; row-gap: 0; padding: 32px 0; }
  .ryoon-ventilation-main img { max-height: none; width: 100%; }
  .ryoon-insulation-comparison { gap: 10px; }
  .ryoon-insulation-comparison figure { padding: 8px; }
  .ryoon-tech-card .ryoon-insulation-comparison figure { grid-column: auto; grid-row: auto; }
  .ryoon-insulation-comparison h4 { font-size: 14px; min-height: 3em; }
  .ryoon-tech-card .ryoon-insulation-comparison img { height: 230px; }
  .ryoon-protection-block h3 { font-size: 23px; }
  .ryoon-protection-images, .ryoon-protection-earthquake-layout { grid-template-columns: 1fr; gap: 20px; }
  .ryoon-protection-images img { height: auto; max-height: 360px; }
  .ryoon-protection-earthquake-layout figure img { max-height: 350px; }
  #pets figure img { height: 310px; max-height: none; }
  .ryoon-what-layout > figure { grid-column: 1; grid-row: 1; }
  .ryoon-what-layout > div { grid-column: 1; grid-row: 2; }
  .ryoon-hero .section-title { margin-bottom: 20px; }
  .ryoon-benefit { gap: 0; }
  .ryoon-benefit-copy { display: contents; }
  .ryoon-benefit h3.ryoon-benefit-label { order: 1; margin: 0; font-size: 24px; }
  .ryoon-benefit > figure { order: 2; width: 100%; margin: 16px 0 20px; }
  .ryoon-benefit h3 { order: 3; margin: 0 0 14px; }
  .ryoon-benefit-copy > p:not(.ryoon-benefit-label):not(.ryoon-note) { order: 4; }
  .ryoon-benefit .ryoon-support { order: 5; }
  .ryoon-benefit .ryoon-note { order: 6; }
  .ryoon-tech-card.ryoon-insulation { display: flex; flex-direction: column; align-items: stretch; }
  .ryoon-insulation > .eyebrow { order: 1; }
  .ryoon-insulation > h3 { order: 2; }
  .ryoon-insulation-comparison { order: 3; width: 100%; margin-bottom: 22px; }
  .ryoon-insulation-lead { order: 4; margin-bottom: 18px; }
  .ryoon-insulation-summary { order: 5; margin-top: 0; }
  .ryoon-insulation > .ryoon-source-link { order: 6; }
  .ryoon-case-grid > a { display: flex; flex-direction: column; }
  .ryoon-case-grid h3 { order: 1; margin-bottom: 16px; }
  .ryoon-case-grid img { order: 2; }
  .ryoon-case-grid > a > span { order: 3; margin: 12px 0 0; }
}

.ryoon-member-logo { display:inline-flex; align-items:center; flex-shrink:0; }
.ryoon-member-logo:focus-visible { outline:2px solid currentColor; outline-offset:6px; }
@media(max-width:700px) { .ryoon-partnership-footer .ryoon-member-logo { margin-left:0; } }

.ryoon-insulation-comparison .ryoon-insulation-primary { border:3px solid #163f67; background:#eef5fb; }
.ryoon-insulation-primary h4 { color:#163f67; }
.ryoon-insulation-primary .ryoon-method-label.ryoon-adopted-label { color:#fff; background:#163f67; border-radius:4px; padding:9px 8px; font-size:15px; }
.ryoon-insulation-primary .ryoon-zoom { border-color:#b7cce0; }
.ryoon-insulation-example-note { margin:16px 0; font-size:14px; line-height:1.9; }
@media(max-width:600px) { .ryoon-insulation-primary .ryoon-method-label.ryoon-adopted-label { font-size:14px; padding:8px 4px; } }

@media(max-width:480px) { .ryoon-insulation-comparison { grid-template-columns:1fr; } .ryoon-insulation-comparison h4 { font-size:16px; min-height:0; } .ryoon-tech-card .ryoon-insulation-comparison img { height:280px; } }

.ryoon-case-grid h3 { font-size:18px; line-height:1.65; padding-right:0; text-decoration:underline; text-decoration-color:#000; text-underline-offset:5px; text-decoration-thickness:1px; }


.ryoon-works-link { justify-content:center; min-width:0; width:fit-content; gap:0; padding-inline:24px; text-align:center; }

.ryoon-benefit h3.ryoon-benefit-label{font-size:clamp(20px,1.8vw,24px)}
.ryoon-page figure figcaption.ryoon-diagram-caption{display:block;min-height:0;text-align:center;color:var(--navy);font:600 15px/1.8 var(--sans);margin-top:14px}
.ryoon-diagram-note{display:block;margin-top:6px;color:var(--muted);font:400 12px/1.8 var(--sans)}
.ryoon-ventilation-comparison p.ryoon-comparison-conclusion{font-weight:700;font-size:17px;line-height:1.8;margin-bottom:14px}
.ryoon-summary-lead{display:block;font-size:18px;line-height:1.9;margin-bottom:12px}
.ryoon-movie-intro > p.ryoon-video-credit{text-align:center;font:600 18px/1.8 var(--sans)}
@media(max-width:768px){.ryoon-benefit h3.ryoon-benefit-label{font-size:20px}}

.ryoon-technology-credit { margin:32px 0 0; padding-top:16px; border-top:1px solid #dce5e9; text-align:right; }
.ryoon-technology-credit .ryoon-source-link { margin-top:0; }

/* Keep the introduction and its following benefits visually connected. */
.ryoon-reading-intro { margin:0 0 28px; line-height:1.9; color:#536660; }
.ryoon-reading-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:24px; }
.ryoon-reading-card { display:block; min-width:0; border:1px solid #dce5df; background:#fff; color:#29332f; text-decoration:none; }
.ryoon-reading-card img { display:block; width:100%; height:auto; aspect-ratio:3/2; object-fit:contain; }
.ryoon-reading-card > span { display:block; margin:16px 20px 8px; font-size:13px; color:#48645b; }
.ryoon-reading-card h3 { margin:0 20px 20px; font-size:18px; font-weight:600; line-height:1.7; }
.ryoon-reading-card:hover h3 { text-decoration:underline; text-underline-offset:.2em; }
.ryoon-reading-card:focus-visible { outline:3px solid #23768c; outline-offset:4px; }
@media(max-width:760px) { .ryoon-reading-grid { grid-template-columns:1fr; gap:20px; } }
.ryoon-page .ryoon-hero { padding-bottom:32px; }
.ryoon-page .ryoon-hero + #comfort { padding-top:32px; }
@media(max-width:760px) {
 .ryoon-page .ryoon-hero { padding-bottom:24px; }
 .ryoon-page .ryoon-hero + #comfort { padding-top:24px; }
}