.rio-home-v2 .rio-passive-house-content {
  --navy: #1c3350;
  --navy-soft: #294b6d;
  --cream: #f4ecdf;
  --cream-light: #fbf7f0;
  --orange: #f0954a;
  --orange-dark: #9b4612;
  --ink: #263540;
  --muted: #5e6870;
  --line: rgba(28, 51, 80, .18);
  color: var(--ink);
  background: var(--cream);
  font-family: "Zen Maru Gothic", "Noto Sans JP", "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-synthesis: none;
}
.rio-home-v2 .rio-passive-house-content * { box-sizing: border-box; }
.rio-home-v2 .rio-passive-house-content { scroll-padding-top: 1.5rem; }
.rio-home-v2 .rio-passive-house-content { margin: 0; font-size: 1rem; line-height: 2; letter-spacing: .02em; overflow-wrap: anywhere; }
.rio-home-v2 .rio-passive-house-content { display: block; }
.rio-home-v2 .rio-passive-house-content a { color: inherit; text-underline-offset: .25em; text-decoration-thickness: 1px; }
.rio-home-v2 .rio-passive-house-content a:hover { text-decoration-thickness: 2px; }
.rio-home-v2 .rio-passive-house-content a:focus-visible { outline: 3px solid var(--orange-dark); outline-offset: 5px; border-radius: 2px; }
.rio-home-v2 .rio-passive-house-content section, .rio-home-v2 .rio-passive-house-content [id] { scroll-margin-top: 1.5rem; }
.rio-home-v2 .rio-passive-house-content h1, .rio-home-v2 .rio-passive-house-content h2, .rio-home-v2 .rio-passive-house-content h3, .rio-home-v2 .rio-passive-house-content p, .rio-home-v2 .rio-passive-house-content dl, .rio-home-v2 .rio-passive-house-content dd, .rio-home-v2 .rio-passive-house-content ul, .rio-home-v2 .rio-passive-house-content ol { margin: 0; }
.rio-home-v2 .rio-passive-house-content h1, .rio-home-v2 .rio-passive-house-content h2, .rio-home-v2 .rio-passive-house-content h3 { color: var(--navy); font-weight: 500; line-height: 1.5; }
.rio-home-v2 .rio-passive-house-content .shell { width: min(1100px, calc(100% - 96px)); margin-inline: auto; }
.rio-home-v2 .rio-passive-house-content .skip-link { position: absolute; top: 8px; left: 16px; z-index: 2; padding: .5rem 1rem; background: white; transform: translateY(-150%); }
.rio-home-v2 .rio-passive-house-content .skip-link:focus { transform: none; }
.rio-home-v2 .rio-passive-house-content .page-header { min-height: 94px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--line); }
.rio-home-v2 .rio-passive-house-content .brand-name { font-size: 1.125rem; font-weight: 500; color: var(--navy); }
.rio-home-v2 .rio-passive-house-content .preview-label { color: var(--muted); font-size: .75rem; }
.rio-home-v2 .rio-passive-house-content .hero { padding-top: clamp(56px, 7vw, 96px); padding-bottom: 56px; }
.rio-home-v2 .rio-passive-house-content .eyebrow, .rio-home-v2 .rio-passive-house-content .small-label { color: var(--orange-dark); font-weight: 500; font-size: .8125rem; line-height: 1.8; letter-spacing: .07em; }
.rio-home-v2 .rio-passive-house-content .eyebrow span { display: inline-block; margin-left: 20px; color: var(--navy); letter-spacing: .03em; }
.rio-home-v2 .rio-passive-house-content h1 { margin-top: 24px; font-size: clamp(2.25rem, 4.5vw, 3.5rem); line-height: 1.48; letter-spacing: .045em; }
.rio-home-v2 .rio-passive-house-content h1 span { display: block; }
.rio-home-v2 .rio-passive-house-content .hero-intro { margin-top: 28px; display: grid; grid-template-columns: minmax(0, 1fr) clamp(220px, 24vw, 280px); gap: clamp(24px, 4vw, 56px); align-items: center; }
.rio-home-v2 .rio-passive-house-content .hero-intro-illustration { display: block; width: 100%; height: auto; }
.rio-home-v2 .rio-passive-house-content .hero-lead { margin-top: 32px; font-size: 1.5rem; font-weight: 500; line-height: 1.85; color: var(--navy); }
.rio-home-v2 .rio-passive-house-content .hero-lead strong { position: relative; display: inline-block; font-weight: 700; }
.rio-home-v2 .rio-passive-house-content .hero-lead strong::after { content: ""; position: absolute; right: 3%; bottom: -.11em; width: 70%; height: 7px; border-top: 2px solid var(--orange); border-radius: 50%; opacity: .82; transform: rotate(-1.5deg); pointer-events: none; }
.rio-home-v2 .rio-passive-house-content .hero-description { max-width: 44em; font-size: .9375rem; }
.rio-home-v2 .rio-passive-house-content .hero-description p + p { margin-top: 1em; }
.rio-home-v2 .rio-passive-house-content .page-nav { margin-top: 48px; padding-top: 23px; border-top: 1px solid var(--line); }
.rio-home-v2 .rio-passive-house-content .page-nav > p { font-size: .75rem; color: var(--muted); }
.rio-home-v2 .rio-passive-house-content .page-nav ul { display: flex; flex-wrap: wrap; gap: 8px 30px; padding: 9px 0 0; list-style: none; }
.rio-home-v2 .rio-passive-house-content .page-nav a { min-height: 44px; display: inline-flex; align-items: center; gap: 14px; font-size: .875rem; color: var(--navy); text-decoration: none; }
.rio-home-v2 .rio-passive-house-content .page-nav a:hover { text-decoration: underline; }
.rio-home-v2 .rio-passive-house-content .page-nav a span { color: var(--orange-dark); }
.rio-home-v2 .rio-passive-house-content .section { padding-block: clamp(80px, 8vw, 112px); }
.rio-home-v2 .rio-passive-house-content .section-light { background: var(--cream-light); }
.rio-home-v2 .rio-passive-house-content .section-heading { max-width: 780px; }
.rio-home-v2 .rio-passive-house-content .illustrated-heading { display: grid; grid-template-columns: minmax(0, 1fr) 200px; gap: 40px; align-items: center; }
.rio-home-v2 .rio-passive-house-content .section-illustration { display: block; width: min(100%, 200px); height: auto; }
.rio-home-v2 .rio-passive-house-content .section-heading > .section-illustration { margin-top: 24px; }
.rio-home-v2 .rio-passive-house-content .section-heading h2 { margin-top: 16px; font-size: clamp(1.875rem, 3.4vw, 2.75rem); letter-spacing: .04em; }
.rio-home-v2 .rio-passive-house-content .section-heading > p:last-child:not(.eyebrow) { margin-top: 26px; color: var(--muted); }
.rio-home-v2 .rio-passive-house-content .comfort-row { display: grid; grid-template-columns: .8fr 1.2fr; gap: 68px; border-top: 1px solid var(--line); padding-top: 36px; margin-top: 46px; }
.rio-home-v2 .rio-passive-house-content .comfort-heading h3 { margin-top: 12px; font-size: clamp(1.375rem, 2.3vw, 1.875rem); }
.rio-home-v2 .rio-passive-house-content .comfort-illustration { display: block; width: min(100%, 220px); height: auto; margin-top: 20px; }
.rio-home-v2 .rio-passive-house-content .prose { max-width: 40em; }
.rio-home-v2 .rio-passive-house-content .prose p + p { margin-top: 1.1em; }
.rio-home-v2 .rio-passive-house-content .prose h3 { margin-bottom: 20px; font-size: 1.375rem; }
.rio-home-v2 .rio-passive-house-content .prose p + h3 { margin-top: 42px; }
.rio-home-v2 .rio-passive-house-content .cite { display: inline-block; padding-inline: .2em; font-size: .78em; font-weight: 500; white-space: nowrap; text-decoration: none; color: var(--orange-dark); }
.rio-home-v2 .rio-passive-house-content .cite:hover { text-decoration: underline; }
.rio-home-v2 .rio-passive-house-content .principle-list { margin-top: 44px; display: grid; grid-template-columns: 1fr 1fr; gap: 32px 64px; }
.rio-home-v2 .rio-passive-house-content .principle-list > div { border-top: 1px solid var(--line); padding-top: 26px; }
.rio-home-v2 .rio-passive-house-content .principle-list dt { font-size: 1.375rem; color: var(--navy); font-weight: 500; }
.rio-home-v2 .rio-passive-house-content .principle-list dt span { display: block; font-size: .875rem; color: var(--orange-dark); margin-top: 2px; }
.rio-home-v2 .rio-passive-house-content .principle-list dd { margin-top: 16px; font-size: .9375rem; }
.rio-home-v2 .rio-passive-house-content .principle-list dd p + p { margin-top: 1em; }
.rio-home-v2 .rio-passive-house-content .principle-wide { grid-column: 1 / -1; display: grid; grid-template-columns: .8fr 1.2fr; gap: 68px; }
.rio-home-v2 .rio-passive-house-content .principle-wide dd { margin: 0; }
.rio-home-v2 .rio-passive-house-content .video-section { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center; padding: 36px 0 48px; border-top: 1px solid var(--line); }
.rio-home-v2 .rio-passive-house-content .video-section h2 { margin-top: 12px; font-size: 1.5rem; }
.rio-home-v2 .rio-passive-house-content .video-section h2 + p { margin-top: 16px; font-size: .9375rem; }
.rio-home-v2 .rio-passive-house-content .video-links { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.rio-home-v2 .rio-passive-house-content .video-link { display: block; color: var(--navy); background: var(--cream-light); padding: 20px 24px; border-radius: 24px 12px 24px 12px; font-weight: 500; }
.rio-home-v2 .rio-passive-house-content .video-link > span { display: block; margin-top: 6px; font-size: .8125rem; color: var(--orange-dark); }
.rio-home-v2 .rio-passive-house-content .video-source { display: inline-flex; align-items: center; min-height: 44px; gap: 12px; font-size: .8125rem; }
.rio-home-v2 .rio-passive-house-content .section-navy { background: var(--navy); color: var(--cream-light); }
.rio-home-v2 .rio-passive-house-content .section-navy h2, .rio-home-v2 .rio-passive-house-content .section-navy h3 { color: var(--cream-light); }
.rio-home-v2 .rio-passive-house-content .section-navy .eyebrow, .rio-home-v2 .rio-passive-house-content .section-navy .cite { color: #f5b078; }
.rio-home-v2 .rio-passive-house-content .section-navy a:focus-visible { outline-color: var(--orange); }
.rio-home-v2 .rio-passive-house-content .energy-layout, .rio-home-v2 .rio-passive-house-content .verification-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
.rio-home-v2 .rio-passive-house-content .energy-layout h2, .rio-home-v2 .rio-passive-house-content .verification-layout h2 { font-size: clamp(1.875rem, 2.7vw, 2.5rem); }
.rio-home-v2 .rio-passive-house-content .energy-emphasis { padding-top: 24px; border-top: 1px solid rgba(255,255,255,.25); font-size: 1.125rem; color: #fff; }
.rio-home-v2 .rio-passive-house-content .durability-copy { margin-top: 44px; display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: start; }
.rio-home-v2 .rio-passive-house-content .research-note { background: var(--cream); padding: 34px 36px; border-radius: 30px 14px 30px 14px; font-size: .875rem; }
.rio-home-v2 .rio-passive-house-content .research-note h3 { margin-block: 12px 22px; font-size: 1.375rem; }
.rio-home-v2 .rio-passive-house-content .research-note > p + p { margin-top: 18px; }
.rio-home-v2 .rio-passive-house-content .research-distinction { border-block: 1px solid var(--line); margin-block: 24px; padding-block: 16px; }
.rio-home-v2 .rio-passive-house-content .research-distinction p { display: grid; grid-template-columns: 84px 1fr; gap: 18px; align-items: center; }
.rio-home-v2 .rio-passive-house-content .research-distinction p + p { margin-top: 12px; }
.rio-home-v2 .rio-passive-house-content .research-distinction strong { font-size: 1.375rem; font-weight: 500; color: var(--navy); white-space: nowrap; }
.rio-home-v2 .rio-passive-house-content .research-distinction span { font-size: .8125rem; line-height: 1.7; }
.rio-home-v2 .rio-passive-house-content .research-footnote { font-size: .8125rem; line-height: 1.9; }
.rio-home-v2 .rio-passive-house-content .questions { margin-top: 52px; padding-top: 30px; border-top: 1px solid var(--line); }
.rio-home-v2 .rio-passive-house-content .questions > h3 { font-size: 1.375rem; }
.rio-home-v2 .rio-passive-house-content .questions-list { margin-top: 26px; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.rio-home-v2 .rio-passive-house-content .questions-list dt { font-weight: 500; color: var(--navy); font-size: 1.0625rem; line-height: 1.8; }
.rio-home-v2 .rio-passive-house-content .questions-list dd { margin-top: 16px; font-size: .9375rem; }
.rio-home-v2 .rio-passive-house-content .questions-list dd p + p { margin-top: 1em; }
.rio-home-v2 .rio-passive-house-content .diary { background: var(--cream-light); }
.rio-home-v2 .rio-passive-house-content .diary > .shell { border-block: 1px solid var(--line); padding-block: 34px 38px; }
.rio-home-v2 .rio-passive-house-content .diary-layout { display: flex; align-items: center; justify-content: space-between; gap: 40px; margin-top: 12px; }
.rio-home-v2 .rio-passive-house-content .diary h2 { font-size: 1.5rem; }
.rio-home-v2 .rio-passive-house-content .diary p:not(.small-label) { font-size: .875rem; margin-top: 12px; }
.rio-home-v2 .rio-passive-house-content .diary-link { display: inline-flex; min-height: 48px; align-items: center; gap: 20px; font-size: .9375rem; font-weight: 500; flex-shrink: 0; color: var(--navy); }
.rio-home-v2 .rio-passive-house-content .diary-link span { color: var(--orange-dark); }
.rio-home-v2 .rio-passive-house-content .sources { padding-block: 66px 62px; }
.rio-home-v2 .rio-passive-house-content .sources h2 { font-size: 1.125rem; }
.rio-home-v2 .rio-passive-house-content .source-date { margin-top: 12px; font-size: .75rem; color: var(--muted); }
.rio-home-v2 .rio-passive-house-content .sources ol { margin-top: 24px; padding-left: 1.5em; display: grid; grid-template-columns: 1fr 1fr; gap: 20px 48px; font-size: .75rem; line-height: 1.85; }
.rio-home-v2 .rio-passive-house-content .sources li { padding-left: .2em; }
.rio-home-v2 .rio-passive-house-content .sources li::marker { color: var(--orange-dark); }
.rio-home-v2 .rio-passive-house-content .sources li span { display: block; color: var(--muted); margin-top: 5px; }
.rio-home-v2 .rio-passive-house-content .sources a { color: var(--navy); }
.rio-home-v2 .rio-passive-house-content .back-top { margin-top: 30px; display: inline-flex; align-items: center; gap: 16px; min-height: 44px; font-size: .8125rem; }
.rio-home-v2 .rio-passive-house-content .page-footer { border-top: 1px solid var(--line); padding-block: 28px; }
.rio-home-v2 .rio-passive-house-content .page-footer .shell { display: flex; justify-content: space-between; gap: 24px; font-size: .75rem; color: var(--muted); }
@media (max-width: 820px) {
.rio-home-v2 .rio-passive-house-content .shell { width: calc(100% - 64px); }
.rio-home-v2 .rio-passive-house-content .hero { padding-top: 56px; }
.rio-home-v2 .rio-passive-house-content h1 { font-size: clamp(2.25rem, 5.5vw, 2.75rem); }
.rio-home-v2 .rio-passive-house-content .hero-intro { margin-top: 26px; grid-template-columns: 1fr; gap: 16px; }
.rio-home-v2 .rio-passive-house-content .hero-intro-illustration { width: min(100%, 220px); justify-self: center; }
.rio-home-v2 .rio-passive-house-content .hero-lead { margin-top: 28px; font-size: 1.375rem; }
.rio-home-v2 .rio-passive-house-content .hero-description { max-width: 43em; }
.rio-home-v2 .rio-passive-house-content .page-nav { margin-top: 32px; }
.rio-home-v2 .rio-passive-house-content .page-nav ul { gap: 4px 28px; }
.rio-home-v2 .rio-passive-house-content .comfort-row { grid-template-columns: .8fr 1.2fr; gap: 32px; }
.rio-home-v2 .rio-passive-house-content .illustrated-heading { grid-template-columns: 1fr; gap: 20px; }
.rio-home-v2 .rio-passive-house-content .section-illustration { width: min(100%, 180px); }
.rio-home-v2 .rio-passive-house-content .section-heading > .section-illustration { margin-top: 20px; }
.rio-home-v2 .rio-passive-house-content .comfort-illustration { width: min(100%, 180px); margin-top: 16px; }
.rio-home-v2 .rio-passive-house-content .principle-list { gap: 28px 32px; }
.rio-home-v2 .rio-passive-house-content .principle-wide { grid-template-columns: 1fr; gap: 16px; }
.rio-home-v2 .rio-passive-house-content .energy-layout, .rio-home-v2 .rio-passive-house-content .verification-layout { grid-template-columns: 1fr; gap: 28px; }
.rio-home-v2 .rio-passive-house-content .durability-copy { grid-template-columns: 1fr; gap: 36px; }
.rio-home-v2 .rio-passive-house-content .prose { max-width: none; }
.rio-home-v2 .rio-passive-house-content .research-note { padding: 30px 34px; }
.rio-home-v2 .rio-passive-house-content .video-section { grid-template-columns: 1fr; gap: 24px; }
.rio-home-v2 .rio-passive-house-content .questions-list { gap: 32px; }
.rio-home-v2 .rio-passive-house-content .diary-layout { align-items: flex-start; flex-direction: column; gap: 16px; }
.rio-home-v2 .rio-passive-house-content .sources ol { gap: 20px 34px; }
}
@media (max-width: 560px) {
.rio-home-v2 .rio-passive-house-content .shell { width: calc(100% - 40px); }
.rio-home-v2 .rio-passive-house-content { font-size: .9375rem; }
.rio-home-v2 .rio-passive-house-content .page-header { min-height: 84px; gap: 8px; align-items: flex-start; flex-direction: column; justify-content: center; padding-block: 14px; }
.rio-home-v2 .rio-passive-house-content .brand-name { font-size: 1rem; }
.rio-home-v2 .rio-passive-house-content .preview-label { font-size: .6875rem; }
.rio-home-v2 .rio-passive-house-content .hero { padding-top: 46px; padding-bottom: 42px; }
.rio-home-v2 .rio-passive-house-content .eyebrow { font-size: .75rem; }
.rio-home-v2 .rio-passive-house-content .eyebrow span { margin-left: 12px; }
.rio-home-v2 .rio-passive-house-content h1 { margin-top: 22px; font-size: clamp(2rem, 7.2vw, 2.5rem); line-height: 1.55; letter-spacing: .015em; }
.rio-home-v2 .rio-passive-house-content h1 span + span { margin-top: 8px; }
.rio-home-v2 .rio-passive-house-content .hero-lead { margin-top: 26px; font-size: clamp(1.25rem, 4.5vw, 1.375rem); }
.rio-home-v2 .rio-passive-house-content .hero-description { font-size: .9375rem; }
.rio-home-v2 .rio-passive-house-content .page-nav ul { display: grid; grid-template-columns: 1fr; gap: 0; padding-top: 8px; }
.rio-home-v2 .rio-passive-house-content .page-nav a { min-height: 44px; width: 100%; justify-content: space-between; padding-block: 8px; }
.rio-home-v2 .rio-passive-house-content .section { padding-block: 68px; }
.rio-home-v2 .rio-passive-house-content .section-heading h2 { font-size: 1.875rem; letter-spacing: .025em; }
.rio-home-v2 .rio-passive-house-content .section-heading > p:last-child:not(.eyebrow) { margin-top: 22px; }
.rio-home-v2 .rio-passive-house-content .desktop-break { display: none; }
.rio-home-v2 .rio-passive-house-content .comfort-row { grid-template-columns: 1fr; gap: 22px; margin-top: 34px; padding-top: 28px; }
.rio-home-v2 .rio-passive-house-content .comfort-heading h3 { font-size: 1.375rem; }
.rio-home-v2 .rio-passive-house-content .comfort-heading h3 br { display: none; }
.rio-home-v2 .rio-passive-house-content .principle-list { grid-template-columns: 1fr; margin-top: 32px; gap: 26px; }
.rio-home-v2 .rio-passive-house-content .principle-wide { grid-column: auto; gap: 0; }
.rio-home-v2 .rio-passive-house-content .principle-wide dd { margin-top: 16px; }
.rio-home-v2 .rio-passive-house-content .principle-list dt, .rio-home-v2 .rio-passive-house-content .prose h3 { font-size: 1.25rem; }
.rio-home-v2 .rio-passive-house-content .energy-layout h2, .rio-home-v2 .rio-passive-house-content .verification-layout h2 { font-size: 1.875rem; }
.rio-home-v2 .rio-passive-house-content .energy-emphasis { font-size: 1rem; }
.rio-home-v2 .rio-passive-house-content .energy-emphasis br { display: none; }
.rio-home-v2 .rio-passive-house-content .durability-copy { margin-top: 32px; }
.rio-home-v2 .rio-passive-house-content .research-note { padding: 28px 24px; }
.rio-home-v2 .rio-passive-house-content .research-note h3 { font-size: 1.375rem; }
.rio-home-v2 .rio-passive-house-content .research-distinction p { grid-template-columns: 78px 1fr; gap: 12px; }
.rio-home-v2 .rio-passive-house-content .diary > .shell { padding-block: 28px; }
.rio-home-v2 .rio-passive-house-content .diary h2 { font-size: 1.375rem; }
.rio-home-v2 .rio-passive-house-content .diary p br { display: none; }
.rio-home-v2 .rio-passive-house-content .diary-link { font-size: .875rem; gap: 14px; flex-shrink: 1; }
.rio-home-v2 .rio-passive-house-content .sources { padding-block: 48px; }
.rio-home-v2 .rio-passive-house-content .sources ol { grid-template-columns: 1fr; }
.rio-home-v2 .rio-passive-house-content .video-section { padding-block: 28px 36px; }
.rio-home-v2 .rio-passive-house-content .video-section h2 { font-size: 1.375rem; }
.rio-home-v2 .rio-passive-house-content .video-link { padding: 18px 20px; }
.rio-home-v2 .rio-passive-house-content .questions-list { grid-template-columns: 1fr; }
.rio-home-v2 .rio-passive-house-content .page-footer .shell { flex-direction: column; gap: 6px; }
}
@media print {
.rio-home-v2 .rio-passive-house-content { font-size: 10pt; background: #fff; color: #000; }
.rio-home-v2 .rio-passive-house-content .shell { width: 100%; }
.rio-home-v2 .rio-passive-house-content .section { padding-block: 28px; }
.rio-home-v2 .rio-passive-house-content .section-navy { background: #fff; color: #000; }
.rio-home-v2 .rio-passive-house-content .section-navy h2, .rio-home-v2 .rio-passive-house-content .section-navy h3, .rio-home-v2 .rio-passive-house-content .section-navy .eyebrow, .rio-home-v2 .rio-passive-house-content .section-navy .cite, .rio-home-v2 .rio-passive-house-content .energy-emphasis { color: #000; }
.rio-home-v2 .rio-passive-house-content .page-nav, .rio-home-v2 .rio-passive-house-content .skip-link, .rio-home-v2 .rio-passive-house-content .back-top { display: none; }
.rio-home-v2 .rio-passive-house-content h2, .rio-home-v2 .rio-passive-house-content h3, .rio-home-v2 .rio-passive-house-content dt { break-after: avoid; }
.rio-home-v2 .rio-passive-house-content .research-note { break-inside: avoid; }
}
.rio-home-v2 .rio-passive-house-content section, .rio-home-v2 .rio-passive-house-content [id] { scroll-margin-top: 120px; }
.rio-home-v2 .rio-passive-house-content { box-sizing: border-box; }