:root {
  --ink: #30271f;
  --orange: #c96900;
  --orange-line: #df9b58;
  --cream: #fff5e4;
  --blue: #13548d;
  --pale-blue: #f0f8fc;
  --font-mincho: "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", "Hiragino Mincho Pro", serif;
  --body-size: 16px;
  --body-leading: 32px;
  --nav-size: 15px;
  --nav-leading: 30px;
  --nav-gap: 15px;
  --heading-size: 33px;
  --heading-leading: 66px;
  --hero-size: 32px;
  --hero-leading: 64px;
  --link-size: 14px;
  --link-leading: 28px;
  --tracking: .8px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; color: var(--ink); background: #fff; font-family: var(--font-mincho); font-size: var(--body-size); line-height: var(--body-leading); font-weight: 400; letter-spacing: var(--tracking); -webkit-font-smoothing: antialiased; }
body, button { font-family: var(--font-mincho); }
a { color: inherit; text-decoration: none; text-underline-offset: .3em; }
a, button { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; }
a:hover { color: var(--orange); }
button { cursor: pointer; }
img { display: block; max-width: 100%; }
h1, h2, h3, p, ul, figure { margin: 0; }
h2 { font-size: var(--heading-size); line-height: var(--heading-leading); font-weight: 400; letter-spacing: 2.31px; }
li { list-style: none; }
ul { padding: 0; }
.content-width { width: calc(100% - 112px); max-width: 1328px; margin-inline: auto; }
.section-space { margin-top: 104px; }
.body-copy { font-size: var(--body-size); line-height: var(--body-leading); letter-spacing: var(--tracking); font-weight: 400; }
.eyebrow { color: var(--orange); font-size: 13px; line-height: 26px; letter-spacing: 1.5px; font-weight: 600; }
.button { display: flex; align-items: center; justify-content: center; gap: 14px; min-height: 70px; padding: 18px 24px; font-size: var(--link-size); line-height: var(--link-leading); font-weight: 400; letter-spacing: var(--tracking); transition: background .2s, color .2s; }
.button span[aria-hidden] { font-family: serif; font-size: 23px; }
.button-outline { border: 1px solid var(--orange-line); color: var(--orange); }
.button-outline:hover { background: var(--cream); }
.button-orange { color: #fff; background: var(--orange); }
.button-orange:hover { color: #fff; background: #aa5300; }
.button-blue { color: #fff; background: var(--blue); }
.button-blue:hover { color: #fff; background: #0c3b67; }
.text-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 22px; font-size: var(--link-size); line-height: var(--link-leading); letter-spacing: var(--tracking); font-weight: 400; padding-bottom: 5px; border-bottom: 1px solid var(--orange-line); }
.text-link span[aria-hidden] { color: var(--orange); font-size: 23px; }
.opening { display: grid; grid-template-columns: 25.15% 74.85%; align-items: start; }
.site-header { padding: 44px 40px 32px; min-width: 0; }
.brand { display: block; padding-block: 4px; }
.brand img { width: 100%; height: auto; }
.navigation-panel { margin-top: 70px; }
.main-nav li { margin-bottom: var(--nav-gap); height: var(--nav-leading); font-size: var(--nav-size); line-height: var(--nav-leading); }
.main-nav a { display: inline-block; font-size: var(--nav-size); line-height: var(--nav-leading); font-weight: 500; letter-spacing: var(--tracking); }
.header-contact { border-top: 1px solid #eee9e2; margin-top: 48px; padding-top: 25px; }
.header-tel { display: block; font-size: 19px; line-height: 38px; letter-spacing: .8px; white-space: nowrap; }
.header-tel span { font-size: 11px; }
.header-consultation { margin-top: 17px; min-height: 62px; padding-inline: 12px; }
.menu-toggle { display: none; }
.hero { position: relative; min-width: 0; }
.hero-photo { aspect-ratio: 581 / 394; }
.hero-title { position: absolute; left: 35px; top: 60px; display: flex; flex-direction: row-reverse; gap: 8px; font-size: var(--hero-size); line-height: var(--hero-leading); font-weight: 400; letter-spacing: var(--tracking); }
.hero-title span { display: block; writing-mode: vertical-rl; text-orientation: upright; background: #fff; padding: 18px 0; align-self: start; }
.hero-title span:nth-child(2) { margin-top: 30px; }
.hero-title span:nth-child(3) { margin-top: 60px; }
.photo-note { font-size: 11px; line-height: 22px; letter-spacing: .5px; }
.hero-note { position: absolute; bottom: -26px; left: 0; }
.entry-links { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; padding-left: 19%; margin-top: 52px; }
/* Each photo viewport displays only a photograph in the unchanged v3 source.
   No bitmap text is visible; the crop coordinates are documented in README. */
.photo { position: relative; overflow: hidden; background: #f2e4cd; }
.photo img { position: absolute; max-width: none; height: auto; }
.hero-photo img { width: 177.982%; left: -77.982%; top: 0; }
.approach-photo { aspect-ratio: 344 / 309; }
.approach-photo img { width: 225.5814%; left: -8.72093%; top: -166.66667%; }
.works-outside { aspect-ratio: 347 / 203; }
.works-outside img { width: 223.63112%; left: -9.51009%; top: -459.1133%; }
.works-inside { aspect-ratio: 346 / 203; }
.works-inside img { width: 224.27746%; left: -115.31792%; top: -459.1133%; }
.reform-photo { aspect-ratio: 365 / 221; }
.reform-photo img { width: 212.60274%; left: -104.10959%; top: -560.18099%; }
.exterior-photo { aspect-ratio: 238 / 94; }
.exterior-photo img { width: 326.05042%; left: -16.80672%; top: -1606.38298%; }
.approach { display: grid; grid-template-columns: 1fr 1fr; gap: 76px; align-items: center; }
.approach h2 { margin-top: 25px; font-size: 50px; line-height: 75px; letter-spacing: var(--tracking); }
.approach .body-copy { margin-top: 32px; }
.approach-values { display: flex; justify-content: space-between; border-block: 1px solid var(--orange-line); color: var(--orange); margin-top: 44px; padding-block: 17px; font-size: 16px; line-height: 32px; }
.approach-values li { flex: 1; text-align: center; }
.approach-values li + li { border-left: 1px solid var(--orange-line); }
.approach .text-link { margin-top: 35px; }
.section-heading { display: flex; justify-content: space-between; align-items: center; gap: 24px; margin-bottom: 30px; }
.heading-with-label { display: flex; align-items: center; gap: 28px; }
.works-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; }
.works-grid figcaption { font-size: 14px; line-height: 28px; margin-top: 10px; }
.image-disclaimer { text-align: center; font-size: 12px; line-height: 24px; margin-top: 30px; }
.reform { padding-block: 54px; background: var(--cream); }
.reform-inner { display: grid; grid-template-columns: 1fr 1.1fr; align-items: center; gap: 80px; }
.reform .eyebrow { display: flex; gap: 32px; align-items: center; }
.reform .eyebrow::after { content: ""; width: 120px; height: 1px; background: var(--orange-line); }
.reform h2 { margin-top: 28px; }
.reform .body-copy { margin-top: 24px; }
.reform .button { margin-top: 35px; max-width: 500px; }
.exterior { display: grid; grid-template-columns: 1.05fr 1.2fr auto; align-items: center; gap: 50px; padding-block: 44px; border-bottom: 1px solid #eee9e2; }
.exterior .body-copy { margin-top: 14px; }
.exterior > .text-link { align-self: end; margin-bottom: 8px; }
.company { display: grid; grid-template-columns: 1.05fr 1.3fr auto; align-items: center; gap: 50px; padding-block: 44px; }
.company-details { border-left: 1px solid var(--orange-line); padding-left: 54px; }
.company-details h3 { font-size: 22px; line-height: 44px; font-weight: 400; }
.company-details p { font-size: 14px; line-height: 28px; }
.contact { background: var(--pale-blue); padding-block: 40px 50px; text-align: center; }
.contact .body-copy { margin-top: 12px; }
.contact-actions { display: flex; justify-content: center; align-items: center; gap: 110px; margin-top: 30px; }
.contact-tel { font-size: 56px; line-height: 84px; white-space: nowrap; letter-spacing: 1px; }
.phone-mark { display: inline-block; color: var(--orange); font-family: serif; font-size: 43px; margin-right: 12px; }
.contact-form { min-width: 430px; font-size: 22px; line-height: 44px; }
.contact-destination { margin-top: 18px; font-size: 12px; line-height: 24px; }
.site-footer { background: var(--blue); color: #fff; padding-block: 36px; }
.footer-inner { display: grid; grid-template-columns: 320px 1fr; gap: 48px; align-items: start; }
.footer-brand { background: #fff; padding: 17px 12px; }
.footer-brand img { width: 100%; height: auto; }
.footer-information { border-left: 1px solid #80a4c5; padding-left: 48px; }
.footer-information ul { display: flex; gap: 14px 28px; flex-wrap: wrap; }
.footer-information a { font-size: 14px; line-height: 28px; }
.footer-information a:hover { color: #ffdfaf; }
.footer-information > p { font-size: 13px; line-height: 26px; margin-top: 18px; }
.footer-information .footer-note { font-size: 11px; line-height: 22px; margin-top: 12px; }
.visually-hidden, .skip-link:not(:focus) { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip-link:focus { position: fixed; top: 8px; left: 8px; z-index: 100; background: #fff; padding: 8px 20px; }
@media (max-width: 1199px) and (min-width: 801px) {
  .site-header { padding-inline: 28px; }
  .header-tel { font-size: 16px; }
  .hero-title { left: 22px; top: 35px; }
  .content-width { width: calc(100% - 80px); }
  .approach, .reform-inner { gap: 44px; }
  .approach h2 { font-size: 40px; line-height: 60px; }
  .approach-values { font-size: 14px; }
  .exterior, .company { gap: 26px; }
  .company-details { padding-left: 28px; }
  .contact-actions { gap: 45px; }
  .contact-tel { font-size: 44px; line-height: 66px; }
  .contact-form { min-width: 340px; font-size: 20px; line-height: 40px; }
  .footer-inner { grid-template-columns: 250px 1fr; gap: 30px; }
  .footer-information { padding-left: 30px; }
}
@media (max-width: 800px) {
  :root { --heading-size: 30px; --heading-leading: 45px; --hero-size: 24px; --hero-leading: 48px; }
  html { scroll-padding-top: 100px; }
  .content-width { width: calc(100% - 40px); }
  .section-space { margin-top: 64px; }
  .opening { display: block; }
  .site-header { position: relative; z-index: 20; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 18px 20px; background: #fff; }
  .brand { width: min(67%, 260px); }
  .menu-toggle { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; flex: 0 0 58px; height: 52px; padding: 0; color: var(--ink); background: #fff; border: 0; }
  .menu-label { font-size: 10px; line-height: 16px; letter-spacing: .3px; }
  .menu-icon, .menu-icon::before, .menu-icon::after { display: block; width: 26px; height: 1px; background: var(--ink); transition: transform .2s; }
  .menu-icon { position: relative; margin-block: 8px; }
  .menu-icon::before, .menu-icon::after { content: ""; position: absolute; left: 0; }
  .menu-icon::before { top: -7px; }
  .menu-icon::after { top: 7px; }
  .menu-toggle[aria-expanded="true"] .menu-icon { background: transparent; }
  .menu-toggle[aria-expanded="true"] .menu-icon::before { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] .menu-icon::after { transform: translateY(-7px) rotate(-45deg); }
  .navigation-panel { display: none; position: absolute; left: 0; right: 0; top: 100%; margin: 0; padding: 28px 30px 32px; background: #fff; box-shadow: 0 12px 16px #30271f16; }
  .navigation-panel.is-open { display: block; }
  .header-contact { margin-top: 25px; padding-top: 20px; }
  .header-tel { font-size: 22px; line-height: 44px; }
  .header-consultation { max-width: 380px; }
  .hero-photo { aspect-ratio: 390 / 480; }
  .hero-photo img { width: 242.4079%; left: -106.2096%; top: 0; }
  .hero-title { left: 22px; top: 35px; gap: 5px; }
  .hero-title span { padding-block: 10px; }
  .hero-title span:nth-child(2) { margin-top: 28px; }
  .hero-title span:nth-child(3) { margin-top: 56px; }
  .hero-note { left: 20px; bottom: -25px; }
  .entry-links { grid-template-columns: 1fr; gap: 14px; padding-left: 0; margin-top: 48px; }
  .button { min-height: 58px; padding: 14px 16px; }
  .approach { display: flex; flex-direction: column; gap: 32px; align-items: stretch; }
  h2 { letter-spacing: var(--tracking); }
  .approach h2 { margin-top: 16px; font-size: var(--heading-size); line-height: var(--heading-leading); }
  .approach .body-copy { margin-top: 22px; }
  .desktop-break { display: none; }
  .approach-values { margin-top: 28px; padding-block: 13px; font-size: 14px; }
  .approach .text-link { margin-top: 24px; }
  .section-heading { align-items: start; flex-direction: column; gap: 18px; margin-bottom: 24px; }
  .heading-with-label { gap: 22px; }
  .works-grid { grid-template-columns: 1fr; gap: 28px; }
  .image-disclaimer { text-align: left; margin-top: 24px; }
  .reform { padding-block: 35px; }
  .reform-inner { display: flex; flex-direction: column; align-items: stretch; gap: 32px; }
  .reform h2 { margin-top: 20px; }
  .reform .body-copy { margin-top: 20px; }
  .reform .button { margin-top: 26px; }
  .exterior { grid-template-columns: 1fr; gap: 24px; padding-block: 35px; }
  .exterior h2 { font-size: 28px; line-height: 42px; }
  .exterior .text-link { justify-self: start; margin: 0; }
  .company { grid-template-columns: 1fr; gap: 24px; padding-block: 35px; }
  .company h2 { font-size: 30px; line-height: 45px; }
  .company-details { padding-left: 20px; }
  .company-details h3 { font-size: 21px; line-height: 42px; }
  .company-details p { font-size: 14px; line-height: 28px; overflow-wrap: anywhere; }
  .company .text-link { justify-self: start; }
  .contact { padding-block: 34px 38px; }
  .contact h2 { font-size: 27px; line-height: 44px; }
  .contact .body-copy { margin-top: 18px; }
  .contact-actions { flex-direction: column; gap: 20px; margin-top: 22px; }
  .contact-tel { font-size: 34px; line-height: 60px; letter-spacing: 0; }
  .phone-mark { font-size: 26px; margin-right: 7px; }
  .contact-form { min-width: 0; width: 100%; font-size: 22px; line-height: 44px; gap: 7px; padding-inline: 10px; }
  .contact-destination { margin-top: 20px; }
  .footer-inner { grid-template-columns: 1fr; gap: 25px; }
  .footer-brand { width: 260px; max-width: 100%; padding: 15px 10px; }
  .footer-information { padding: 0; border: 0; }
  .footer-information ul { gap: 10px 24px; }
  .footer-information > p { margin-top: 22px; }
}
@media (max-width: 359px) {
  .hero-title { left: 14px; }
  .approach-values { font-size: 12px; letter-spacing: .3px; }
  .contact-tel { font-size: 29px; }
  .contact-form { font-size: 19px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

/* New-house subpage: shared typography and unmodified source photo viewports. */
.mobile-break { display: none; }
.service-intro { min-width: 0; padding: 40px 56px 0 12px; }
.breadcrumb { font-size: 12px; line-height: 24px; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 10px; margin: 0; padding: 0; }
.breadcrumb li + li::before { content: "/"; margin-right: 10px; color: #a59585; }
.breadcrumb a { border-bottom: 1px solid #c6b7a9; }
.service-page-label { margin-top: 48px; }
.service-title { margin-top: 18px; font-size: 33px; line-height: 66px; font-weight: 400; letter-spacing: 2.31px; }
.service-intro-copy { margin-top: 24px; }
.service-intro-figure { margin-top: 40px; }
.service-intro-figure .works-inside { aspect-ratio: 346 / 203; }
.service-intro-figure .photo-note { margin-top: 6px; }
.service-page .main-nav a[aria-current="page"] { color: var(--orange); text-decoration: underline; }
.service-index { margin-top: 64px; }
.service-index ol { display: grid; grid-template-columns: repeat(4, 1fr); padding: 0; margin: 0; border-block: 1px solid var(--orange-line); }
.service-index li + li { border-left: 1px solid var(--orange-line); }
.service-index a { display: flex; align-items: center; justify-content: center; gap: 18px; min-height: 80px; padding: 15px 10px; font-size: 14px; line-height: 28px; }
.service-index a span { color: var(--orange); font-size: 12px; }
.service-principle { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 90px; margin-top: 100px; }
.service-principle figure { min-width: 0; }
.service-principle figcaption, .service-scenes figcaption { margin-top: 8px; }
.service-principle-copy { min-width: 0; }
.principle-number { display: inline-block; margin-right: 22px; font-size: 15px; }
.service-principle h2 { margin-top: 20px; }
.service-principle .body-copy { margin-top: 26px; }
.service-principle .body-copy + .body-copy { margin-top: 20px; }
.service-climate { background: var(--cream); margin-top: 100px; padding-block: 70px; }
.service-climate .service-principle { margin-top: 0; }
.service-craft { display: grid; grid-template-columns: 1fr 1.35fr; gap: 110px; margin-top: 100px; padding-bottom: 75px; border-bottom: 1px solid #eee9e2; }
.service-craft h2 { margin-top: 20px; }
.service-craft-details { border-left: 1px solid var(--orange-line); padding-left: 55px; }
.service-craft-details > div + div { margin-top: 35px; }
.service-craft-details h3 { color: var(--orange); font-size: 20px; line-height: 40px; font-weight: 400; }
.service-craft-details .body-copy { margin-top: 12px; }
.service-small-note { margin-top: 10px; font-size: 12px; line-height: 24px; }
.service-scenes { display: grid; grid-template-columns: 1fr 1.35fr; align-items: center; gap: 90px; margin-top: 75px; }
.service-scenes h2 { margin-top: 18px; }
.service-scenes .body-copy { margin-top: 24px; }
.service-scenes .text-link { margin-top: 28px; }
.service-other { text-align: center; padding-block: 80px 90px; }
.service-other .body-copy { margin-top: 15px; }
.service-other-links { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; max-width: 1000px; margin: 30px auto 0; }
@media (min-width: 801px) and (max-width: 1199px) {
  .service-intro { padding-right: 40px; }
  .service-principle, .service-scenes { gap: 48px; }
  .service-principle h2 { font-size: 33px; line-height: 66px; }
  .service-craft { gap: 55px; }
  .service-craft-details { padding-left: 32px; }
  .service-index a { gap: 12px; }
}
@media (max-width: 800px) {
  .mobile-break { display: initial; }
  .service-intro { padding: 20px 20px 0; }
  .service-page-label { margin-top: 35px; }
  .service-title { font-size: 30px; line-height: 45px; letter-spacing: .8px; margin-top: 18px; }
  .service-intro-copy { margin-top: 24px; }
  .service-intro-figure { margin-top: 30px; }
  .service-intro-figure .works-inside { aspect-ratio: 346 / 203; }
  .service-index { margin-top: 36px; }
  .service-index ol { grid-template-columns: 1fr 1fr; }
  .service-index li + li { border-left: 0; }
  .service-index li:nth-child(2n) { border-left: 1px solid var(--orange-line); }
  .service-index li:nth-child(n+3) { border-top: 1px solid var(--orange-line); }
  .service-index a { justify-content: start; min-height: 72px; padding-inline: 12px; gap: 10px; font-size: 12px; line-height: 24px; }
  .service-index a span { font-size: 11px; }
  .service-principle { display: flex; flex-direction: column; align-items: stretch; gap: 28px; margin-top: 58px; }
  .service-principle-copy { order: -1; }
  .service-principle h2 { margin-top: 15px; }
  .service-principle .body-copy { margin-top: 22px; }
  .service-principle .body-copy + .body-copy { margin-top: 16px; }
  .service-climate { margin-top: 58px; padding-block: 35px; }
  .service-craft { grid-template-columns: 1fr; gap: 30px; margin-top: 58px; padding-bottom: 40px; }
  .service-craft h2 { margin-top: 15px; }
  .service-craft-details { padding-left: 20px; }
  .service-craft-details > div + div { margin-top: 28px; }
  .service-scenes { grid-template-columns: 1fr; gap: 28px; margin-top: 40px; }
  .service-scenes .text-link { margin-top: 22px; }
  .service-other { padding-block: 50px 55px; }
  .service-other-links { grid-template-columns: 1fr; gap: 15px; margin-top: 25px; }
}
@media (max-width: 359px) {
  .service-index a { gap: 6px; padding-inline: 6px; font-size: 11px; }
  .service-title, .service-principle h2 { font-size: 27px; }
}

/* The proposal notice keeps this sample distinguishable from the official site. */
.proposal-note { padding: 5px 20px; background: var(--pale-blue); color: #33536c; text-align: center; font-size: 11px; line-height: 22px; letter-spacing: .5px; }
@media (max-width: 600px) {
  .proposal-note span { display: block; }
}

/* Existing telephone links become explicit call buttons on mobile only. */
.phone-mobile { display: none; }
.header-tel .phone-desktop { font-size: inherit; }
@media (max-width: 800px) {
  .header-tel .phone-desktop, .contact-tel .phone-desktop { display: none; }
  .header-tel, .contact-tel {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 64px;
    padding: 12px 20px;
    border: 1px solid #b65d00;
    border-radius: 6px;
    background: #b65d00;
    color: #fff;
    font-size: 18px;
    line-height: 28px;
    letter-spacing: .8px;
    white-space: normal;
    transition: background .2s, border-color .2s;
  }
  .header-tel { max-width: 380px; }
  .contact-tel { max-width: 430px; }
  .header-tel:hover, .contact-tel:hover { color: #fff; background: #9b4c00; border-color: #9b4c00; }
  .header-tel:focus-visible, .contact-tel:focus-visible { color: #fff; outline: 3px solid var(--blue); outline-offset: 4px; }
  .header-tel .phone-mobile, .contact-tel .phone-mobile { display: flex; flex-direction: column; align-items: center; gap: 2px; }
  .header-tel .phone-action-label, .contact-tel .phone-action-label { font-size: 18px; line-height: 28px; font-weight: 500; }
  .header-tel .phone-action-number, .contact-tel .phone-action-number { font-size: 14px; line-height: 22px; font-weight: 400; }
}