:root {
  --ink: #0d2f4b;
  --muted: #536678;
  --forest: #0b3760;
  --green: #147ecb;
  --mint: #e7f5ff;
  --lime: #c7ebff;
  --sand: #f4fbff;
  --white: #fff;
  --line: #d5e6f2;
  --shadow: 0 18px 45px rgba(11, 55, 96, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: #f7fcff; font-family: "Noto Sans JP", "Yu Gothic", "Hiragino Kaku Gothic ProN", system-ui, sans-serif; line-height: 1.7; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
img { display: block; max-width: 100%; }
.skip-link { position: fixed; left: 12px; top: -80px; z-index: 999; padding: 10px 16px; background: var(--forest); color: white; border-radius: 8px; }
.skip-link:focus { top: 12px; }

.site-header { position: sticky; top: 0; z-index: 50; height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 32px; padding: 0 54px; background: rgba(255,255,255,.96); box-shadow: 0 1px 0 rgba(11,55,96,.08); backdrop-filter: blur(16px); }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; line-height: 1.25; }
.brand-mark { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 12px; background: var(--mint); }
.brand-mark svg { width: 28px; fill: none; stroke: var(--green); stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; }
.brand strong, .brand small { display: block; }
.brand strong { font-size: 18px; letter-spacing: .03em; }
.brand small { margin-top: 1px; color: var(--muted); font-size: 10px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.desktop-nav { display: flex; align-items: center; gap: 25px; font-size: 14px; font-weight: 800; }
.desktop-nav > a { text-decoration: none; }
.desktop-nav > a:not(.nav-phone):hover { color: var(--green); }
.instagram-nav { width: 42px; height: 42px; display: grid; place-items: center; color: white; border-radius: 13px; background: radial-gradient(circle at 30% 110%, #ffdb58 0 18%, #f77737 31%, #e1306c 54%, #833ab4 76%, #405de6 100%); box-shadow: 0 8px 22px rgba(225,48,108,.22); }
.instagram-nav svg { width: 25px; fill: none; stroke: currentColor; stroke-width: 1.9; }
.nav-phone { min-width: 170px; padding: 9px 18px; color: white; background: var(--green); border-radius: 999px; text-align: center; box-shadow: 0 10px 24px rgba(20,126,203,.2); }
.nav-phone span, .nav-phone strong { display: block; }
.nav-phone span { font-size: 9px; opacity: .75; letter-spacing: .1em; }
.nav-phone strong { font-size: 15px; letter-spacing: .05em; }

.hero { position: relative; min-height: 580px; display: grid; place-items: center; overflow: hidden; padding: 88px 28px 126px; background: linear-gradient(135deg, #07365c 0%, #126ca9 54%, #0b3760 100%); }
.hero::before { content: ""; position: absolute; inset: 0; z-index: 0; background: url("assets/clean-room.webp") center / cover no-repeat; opacity: .72; }
.hero::after { content: ""; position: absolute; inset: 0; z-index: 1; background: radial-gradient(circle at 50% 38%, rgba(0,0,0,.06), rgba(2,23,45,.38) 72%), linear-gradient(90deg, rgba(4,28,52,.34), rgba(4,28,52,.10) 48%, rgba(4,28,52,.34)); }
.hero-copy { position: relative; z-index: 2; max-width: 900px; text-align: center; color: white; text-shadow: 0 3px 18px rgba(0,0,0,.34); }
.eyebrow { margin: 0 0 12px; color: var(--green); font-size: 12px; font-weight: 900; letter-spacing: .18em; }
.hero .eyebrow { color: white; }
.hero h1 { margin: 0; color: white; font-family: "Noto Sans JP", "Yu Gothic", system-ui, sans-serif; font-size: clamp(34px, 4.7vw, 54px); line-height: 1.36; letter-spacing: .02em; font-weight: 900; }
.hero h1 em { font-style: normal; background: none; }
.lead { max-width: 1120px; margin: 22px auto 28px; color: rgba(255,255,255,.95); font-size: clamp(15px, 1.55vw, 18px); font-weight: 800; white-space: nowrap; }
.hero-actions { display: flex; align-items: stretch; justify-content: center; gap: 12px; }
.button { min-height: 58px; display: inline-flex; align-items: center; justify-content: center; gap: 11px; border: 0; border-radius: 10px; padding: 10px 28px; cursor: pointer; font-weight: 900; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, a:focus-visible { outline: 3px solid #e5ba37; outline-offset: 3px; }
.button-primary { color: white; background: var(--green); box-shadow: 0 12px 28px rgba(0, 104, 182, .28); }
.button-primary:hover { background: #0f6eb4; box-shadow: 0 16px 34px rgba(0, 104, 182, .34); }
.button-primary svg { width: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.button-primary span, .button-primary small { display: block; }
.button-primary small { margin-bottom: -2px; font-size: 9px; font-weight: 600; letter-spacing: .06em; opacity: .75; }
.button-secondary { color: white; border: 1px solid rgba(255,255,255,.56); background: rgba(255,255,255,.16); backdrop-filter: blur(12px); }
.button-secondary:hover { color: var(--forest); background: white; text-shadow: none; }
.microcopy { margin: 12px 0 0; color: rgba(255,255,255,.75); font-size: 12px; }
.hero-visual, .visual-badge { display: none; }
.trust-row { position: absolute; z-index: 3; left: 50%; bottom: 28px; width: min(1080px, calc(100% - 56px)); transform: translateX(-50%); display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; padding: 18px 10px; background: rgba(255,255,255,.92); border: 1px solid rgba(255,255,255,.95); border-radius: 14px; box-shadow: 0 12px 35px rgba(11,55,96,.12); backdrop-filter: blur(15px); }
.trust-row > div { position: relative; padding: 0 22px 0 54px; }
.trust-row > div + div { border-left: 1px solid var(--line); }
.trust-row span { position: absolute; left: 18px; top: 2px; color: var(--green); font-family: Georgia, serif; font-size: 22px; font-style: italic; }
.trust-row strong, .trust-row small { display: block; }
.trust-row strong { font-size: 14px; }
.trust-row small { color: var(--muted); font-size: 11px; }

.details { max-width: 1180px; margin: 0 auto; padding: 72px 28px 96px; }
.section-heading { max-width: 760px; margin: 0 auto 36px; text-align: center; }
.section-heading.compact { margin-bottom: 28px; }
.section-heading h2, .contact h2 { margin: 0 0 14px; color: var(--forest); font-family: "Noto Sans JP", "Yu Gothic", system-ui, sans-serif; font-size: clamp(30px, 4vw, 38px); line-height: 1.35; letter-spacing: .02em; font-weight: 900; }
.section-heading h2::after { content: ""; display: block; width: 62px; height: 4px; margin: 13px auto 0; background: var(--green); border-radius: 999px; }
.section-heading > p:last-child { color: var(--muted); }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.service-card { min-height: 0; padding: 0 0 22px; overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: white; text-align: center; box-shadow: 0 10px 28px rgba(11,55,96,.05); }
.service-card.featured { color: var(--ink); background: white; border-color: var(--line); }
.service-photo { height: 150px; margin-bottom: 18px; background: url("assets/clean-room.webp") center / cover no-repeat; }
.room-photo { background-position: 28% center; }
.ac-photo { background-position: 31% 5%; background-size: 400%; }
.kitchen-photo { background-image: url("assets/range-hood.webp"); background-position: 50% 18%; background-size: 150%; }
.wide-photo { background-image: url("assets/ongoing-cleaning.webp"); background-position: 50% center; }
.service-card h3 { margin: 0 18px 8px; font-size: 19px; font-weight: 900; }
.service-card p { margin: 0 20px; color: var(--muted); font-size: 14px; line-height: 1.75; }
.service-card.featured p { color: var(--muted); }
.reasons { margin-top: 58px; padding: 48px 0 8px; border-top: 1px solid var(--line); }
.reason-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.reason-grid article { text-align: center; }
.reason-grid span { width: 64px; height: 64px; display: grid; place-items: center; margin: 0 auto 14px; color: white; background: var(--green); border-radius: 50%; font-weight: 900; font-size: 22px; box-shadow: 0 10px 24px rgba(20,126,203,.2); }
.reason-grid h3 { margin: 0 0 8px; font-size: 18px; }
.reason-grid p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.75; }
.info-grid { display: grid; grid-template-columns: 1fr; gap: 22px; margin-top: 58px; }
.price-panel, .area-panel { padding: 34px; border-radius: 0; }
.price-panel { background: white; border-top: 1px solid var(--line); }
.area-panel { color: white; background: var(--green); }
.panel-title { display: flex; align-items: start; justify-content: space-between; gap: 20px; margin-bottom: 18px; }
.panel-title h3, .area-panel h3 { margin: 0; font-family: "Noto Sans JP", "Yu Gothic", system-ui, sans-serif; font-size: 30px; font-weight: 900; }
.panel-title > span { flex: 0 0 auto; margin-top: 8px; color: var(--forest); font-size: 12px; font-weight: 900; }
.price-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 24px 0 18px; border: 0; }
.price-list > div { display: block; padding: 0; overflow: hidden; border: 1px solid #c8d9e6; background: #fff; text-align: center; }
.price-list span { display: block; padding: 8px 6px; color: white; background: var(--green); font-weight: 900; }
.price-list strong { display: block; padding: 16px 8px; color: var(--forest); font-size: 25px; line-height: 1.2; }
.option-list { margin: 10px 0 18px; border: 1px solid #c8d9e6; background: #f8fcff; }
.option-list > div { display: grid; grid-template-columns: .7fr 1.3fr 1fr; align-items: center; gap: 14px; padding: 18px 22px; }
.option-list span { color: var(--forest); font-size: 15px; font-weight: 900; }
.option-list strong { font-size: 17px; }
.option-list b { justify-self: end; color: var(--forest); font-size: 24px; }
.note { margin: 0; color: #65798a; font-size: 11px; line-height: 1.75; }
.area-panel .eyebrow { color: var(--lime); }
.area-lead { margin: 12px 0 20px; color: rgba(255,255,255,.75); font-size: 13px; }
.area-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.area-tags span { padding: 6px 12px; border: 1px solid rgba(255,255,255,.24); border-radius: 999px; background: rgba(255,255,255,.08); font-size: 12px; font-weight: 700; }
.area-callout { display: flex; gap: 14px; align-items: center; margin-top: 24px; padding: 16px; color: var(--ink); background: var(--lime); border-radius: 14px; }
.area-callout svg { flex: 0 0 26px; width: 26px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.area-callout p { margin: 0; font-size: 12px; line-height: 1.55; }

.contact { display: grid; grid-template-columns: .88fr 1.12fr; gap: 70px; max-width: 1240px; margin: 0 auto 32px; padding: 84px 70px; color: white; background: var(--forest); border-radius: 32px; }
.contact .eyebrow { color: var(--lime); }
.contact h2 { color: white; }
.contact-intro > p:not(.eyebrow) { max-width: 500px; color: rgba(255,255,255,.68); font-size: 14px; }
.contact-phone { display: inline-flex; flex-wrap: wrap; align-items: baseline; gap: 0 12px; margin: 20px 0 26px; padding-bottom: 10px; border-bottom: 1px solid rgba(255,255,255,.28); text-decoration: none; }
.contact-phone small { width: 100%; color: var(--lime); font-size: 11px; font-weight: 700; }
.contact-phone strong { font-family: Georgia, serif; font-size: clamp(30px, 3vw, 42px); letter-spacing: .03em; }
.contact-phone span { font-size: 10px; opacity: .6; }
.instagram-link { display: inline-flex; align-items: center; gap: 12px; margin: 0 0 18px; padding: 12px 15px; border: 1px solid rgba(255,255,255,.24); border-radius: 14px; background: rgba(255,255,255,.08); text-decoration: none; }
.instagram-link:hover { background: rgba(255,255,255,.14); }
.instagram-link svg { flex: 0 0 24px; width: 24px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.instagram-link small, .instagram-link strong { display: block; }
.instagram-link small { color: var(--lime); font-size: 10px; font-weight: 800; letter-spacing: .08em; }
.instagram-link strong { font-size: 14px; }
.business-info { margin: 14px 0 0; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.14); font-size: 11px; }
.business-info div { display: grid; grid-template-columns: 62px 1fr; gap: 12px; padding: 5px 0; }
.business-info dt { color: rgba(255,255,255,.5); }
.business-info dd { margin: 0; color: rgba(255,255,255,.82); }
.business-info a { color: white; font-weight: 800; text-decoration-color: rgba(255,255,255,.36); text-underline-offset: 3px; }
.contact-form-card { padding: 36px; color: var(--ink); background: white; border-radius: 20px; box-shadow: 0 20px 60px rgba(0,0,0,.18); }
.form-heading span { display: inline-block; padding: 4px 9px; color: var(--green); background: var(--mint); border-radius: 999px; font-size: 10px; font-weight: 800; }
.form-heading h3 { margin: 8px 0 4px; font-size: 24px; }
.form-heading p { margin: 0 0 20px; color: var(--muted); font-size: 11px; }
#inquiry-form label { display: block; margin-bottom: 15px; }
#inquiry-form label > span { display: block; margin-bottom: 5px; font-size: 11px; font-weight: 800; }
#inquiry-form input, #inquiry-form select, #inquiry-form textarea { width: 100%; padding: 12px 13px; color: var(--ink); background: #f8faf9; border: 1px solid #d7e1de; border-radius: 9px; }
#inquiry-form textarea { resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-button { width: 100%; }
.form-status { min-height: 1.7em; margin: 8px 0 0; color: var(--green); font-size: 12px; font-weight: 800; text-align: center; }
.form-next { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 8px; }
.form-next a { padding: 10px; border: 1px solid #bfd1cc; border-radius: 9px; color: var(--forest); font-size: 12px; font-weight: 800; text-align: center; text-decoration: none; }

footer { max-width: 1180px; margin: 0 auto; padding: 28px; display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-size: 10px; }
.footer-brand .brand-mark { width: 36px; height: 36px; }
.footer-brand .brand-mark svg { width: 22px; }
.footer-meta { text-align: right; }
.footer-meta a { display: inline-block; margin-bottom: 4px; color: var(--green); font-size: 11px; font-weight: 800; text-decoration-color: rgba(30,106,93,.28); text-underline-offset: 3px; }
.footer-meta p { margin: 0; }
.mobile-callbar { display: none; }

@media (max-width: 980px) {
  .desktop-nav > a:not(.nav-phone) { display: none; }
  .site-header { padding: 0 26px; }
  .hero { min-height: 560px; padding: 72px 28px 145px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .button { width: 100%; max-width: 330px; }
  .trust-row { width: calc(100% - 48px); }
  .service-grid, .reason-grid, .price-list { grid-template-columns: repeat(2, 1fr); }
  .info-grid { grid-template-columns: 1fr; }
  .contact { gap: 36px; padding: 62px 42px; }
}

@media (max-width: 740px) {
  body { padding-bottom: calc(72px + env(safe-area-inset-bottom)); }
  .site-header { height: 70px; padding: 0 18px; }
  .brand-mark { width: 38px; height: 38px; border-radius: 11px; }
  .brand strong { font-size: 13px; }
  .brand small { font-size: 8px; }
  .desktop-nav { display: none; }
  .hero { display: block; min-height: 620px; margin: 0; padding: 72px 20px 24px; border-radius: 0; background-position: 43% center; }
  .hero-copy { padding-top: 18px; }
  .hero h1 { font-size: clamp(31px, 8.5vw, 42px); line-height: 1.44; }
  .lead { margin: 22px 0; font-size: 14px; white-space: normal; }
  .hero-actions { align-items: stretch; }
  .hero-actions .button { max-width: none; }
  .microcopy { color: rgba(255,255,255,.72); }
  .trust-row { position: relative; left: auto; right: auto; bottom: auto; width: 100%; transform: none; grid-template-columns: 1fr; margin-top: 30px; padding: 2px 14px; border-radius: 14px; }
  .trust-row > div { padding: 13px 10px 13px 44px; }
  .trust-row > div + div { border-left: 0; border-top: 1px solid var(--line); }
  .trust-row span { left: 8px; top: 13px; }
  .details { padding: 80px 20px; }
  .section-heading { margin-bottom: 30px; }
  .section-heading h2, .contact h2 { font-size: 34px; }
  .section-heading > p:last-child { font-size: 13px; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { padding: 0 0 20px; }
  .service-photo { height: 145px; }
  .service-card h3 { font-size: 17px; }
  .reason-grid { grid-template-columns: 1fr; gap: 28px; }
  .info-grid { margin-top: 34px; }
  .price-panel, .area-panel { padding: 26px 20px; }
  .panel-title { align-items: end; }
  .panel-title h3, .area-panel h3 { font-size: 24px; }
  .price-list { grid-template-columns: 1fr 1fr; gap: 10px; }
  .price-list strong { font-size: 19px; }
  .option-list > div { grid-template-columns: 1fr; gap: 4px; padding: 16px; }
  .option-list b { justify-self: start; font-size: 22px; }
  .contact { grid-template-columns: 1fr; gap: 34px; margin: 0 10px 14px; padding: 54px 20px 26px; border-radius: 22px; }
  .contact-intro { padding: 0 4px; }
  .contact-phone { width: 100%; }
  .contact-phone strong { font-size: 34px; }
  .contact-form-card { padding: 25px 18px; border-radius: 16px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  footer { display: block; padding: 28px 20px; }
  .footer-meta { margin-top: 18px; text-align: left; }
  .mobile-callbar { position: fixed; z-index: 100; display: block; left: 0; right: 0; bottom: 0; padding: 8px 12px calc(8px + env(safe-area-inset-bottom)); background: rgba(255,255,255,.94); border-top: 1px solid var(--line); box-shadow: 0 -8px 30px rgba(18,58,53,.12); backdrop-filter: blur(12px); }
  .mobile-callbar a { min-height: 54px; display: flex; align-items: center; justify-content: center; gap: 10px; color: white; background: var(--forest); border-radius: 12px; text-decoration: none; }
  .mobile-callbar span { font-size: 11px; font-weight: 700; }
  .mobile-callbar strong { font-family: Georgia, serif; font-size: 20px; letter-spacing: .04em; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}