:root {
  --os-navy: #0a2d55;
  --os-navy-dark: #061b31;
  --os-blue: #1459a3;
  --os-green: #087b59;
  --os-green-dark: #056345;
  --os-red: #c93d34;
  --os-yellow: #f3c83b;
  --os-ink: #182f43;
  --os-muted: #5c7080;
  --os-line: #d7e2e8;
  --os-ice: #eef5f8;
  --os-mint: #eaf7f1;
  --os-warm: #fff8eb;
  --os-white: #fff;
  --os-max: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 82px; }
body { margin: 0; color: var(--os-ink); background: var(--os-white); font-family: "Noto Sans JP", "Yu Gothic UI", "Yu Gothic", Meiryo, sans-serif; font-size: 16px; line-height: 1.85; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.os-wrap { width: min(calc(100% - 48px), var(--os-max)); margin-inline: auto; }
.os-header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid rgba(215, 226, 232, .92); background: rgba(255, 255, 255, .97); backdrop-filter: blur(14px); }
.os-header__inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.os-brand { display: flex; align-items: center; gap: 12px; }
.os-brand__mark { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 12px; color: #fff; background: linear-gradient(145deg, var(--os-green), var(--os-blue)); box-shadow: 0 8px 18px rgba(8, 123, 89, .2); font-weight: 900; }
.os-brand strong, .os-brand small { display: block; }
.os-brand strong { color: var(--os-navy); font-size: 16px; line-height: 1.35; }
.os-brand small { color: var(--os-muted); font-size: 10px; font-weight: 800; letter-spacing: .04em; }
.os-nav { display: flex; align-items: center; gap: 22px; color: #405968; font-size: 13px; font-weight: 850; }
.os-nav > a:not(.os-button):hover { color: var(--os-green); }

.os-button { min-height: 56px; display: inline-flex; align-items: center; justify-content: center; padding: 0 25px; border: 2px solid var(--os-green); border-radius: 10px; color: #fff; background: var(--os-green); box-shadow: 0 11px 24px rgba(8, 123, 89, .2); font-size: 15px; font-weight: 900; transition: transform .18s ease, background .18s ease, border-color .18s ease; }
.os-button:hover { transform: translateY(-2px); background: var(--os-green-dark); border-color: var(--os-green-dark); }
.os-button:focus-visible, .os-choice-grid input:focus-visible + span, .os-inquiry-form input:focus-visible, .os-inquiry-form textarea:focus-visible, summary:focus-visible { outline: 4px solid rgba(8, 123, 89, .25); outline-offset: 3px; }
.os-button--small { min-height: 44px; padding-inline: 17px; font-size: 12px; }
.os-button--outline { color: var(--os-navy); background: #fff; border-color: #91aab8; box-shadow: none; }
.os-button--outline:hover { color: #fff; border-color: var(--os-navy); background: var(--os-navy); }
.os-button--light { color: var(--os-navy); background: #fff; border-color: #fff; box-shadow: none; }
.os-button--light:hover { color: #fff; border-color: var(--os-green); background: var(--os-green); }

.os-hero { overflow: hidden; background: radial-gradient(circle at 87% 9%, rgba(20, 89, 163, .13), transparent 30%), linear-gradient(127deg, #f8fbfc 0%, #fff 53%, #eef7f3 100%); }
.os-hero__grid { min-height: 740px; padding: 50px 0 58px; display: grid; grid-template-columns: .91fr 1.09fr; gap: 44px; align-items: center; }
.os-eyebrow { margin: 0 0 14px; color: var(--os-green); font-size: 13px; font-weight: 900; letter-spacing: .09em; }
.os-hero__copy > .os-eyebrow span + span:before { content: "｜"; margin: 0 .35em; }
.os-hero h1, .os-section h2, .os-inquiry h2 { margin: 0; color: var(--os-navy); font-weight: 950; letter-spacing: -.025em; text-wrap: balance; }
.os-hero h1 { font-size: clamp(44px, 4.6vw, 56px); line-height: 1.13; letter-spacing: -.02em; }
.os-hero h1 span, .os-hero h1 em { display: block; }
.os-hero h1 em { color: var(--os-red); font-style: normal; white-space: nowrap; }
.os-hero__lead { max-width: 42em; margin: 20px 0 0; color: #3e5869; font-size: 17px; font-weight: 650; line-height: 1.9; }
.os-hero__lead strong { color: var(--os-navy); font-weight: 900; }
.os-hero__summary { max-width: 42em; margin: 10px 0 0; color: var(--os-navy); font-size: 15px; font-weight: 850; line-height: 1.75; }
.os-actions { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 12px; }
.os-proof { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 8px; }
.os-proof span { padding: 7px 11px; border: 1px solid #c3dcd3; border-radius: 999px; color: var(--os-green-dark); background: rgba(255, 255, 255, .88); font-size: 11px; font-weight: 850; }
.os-hero-contact { margin-top: 18px; padding: 13px 15px; display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; border-left: 4px solid var(--os-green); border-radius: 7px; color: #405968; background: rgba(255,255,255,.78); font-size: 12px; }
.os-hero-contact span { width: 100%; color: var(--os-green); font-size: 10px; font-weight: 900; letter-spacing: .08em; }
.os-hero-contact strong { color: var(--os-navy); }
.os-hero-contact__email { color: var(--os-blue); font-weight: 850; }

.os-hero__visual { position: relative; min-height: 540px; }
.os-container-room { position: absolute; inset: 0 18px 0 0; overflow: hidden; border: 7px solid #1b2934; border-radius: 12px; background: #273844; box-shadow: 0 32px 65px rgba(6, 27, 49, .24); }
.os-container-room:before, .os-container-room:after { display: none; }
.os-container-room__header { height: 48px; display: flex; align-items: center; gap: 10px; padding: 0 14px; color: #e9f1f5; background: linear-gradient(180deg, #243642, #14232d); }
.os-container-room__header span { padding: 5px 9px; border-radius: 6px; color: var(--os-navy-dark); background: var(--os-yellow); font-size: 11px; font-weight: 900; }
.os-container-room__header strong { font-size: 17px; }
.os-container-room__header small { margin-left: auto; color: #acc0cc; font-size: 10px; font-weight: 800; }
.os-container-room__inside { position: absolute; inset: 48px 0 0; padding: 18px 30px 22px; display: grid; place-items: end center; background: repeating-linear-gradient(90deg, rgba(255,255,255,.14) 0 3px, rgba(13,25,32,.06) 3px 27px), linear-gradient(180deg, #c9d1d5 0%, #87939a 75%, #3a444a 76%, #222b30 100%); }
.os-container-room__inside:after { display: none; }
.os-shelf { position: relative; z-index: 2; width: min(88%, 500px); height: 100%; min-height: 0; margin: 0; display: grid; place-items: end center; overflow: hidden; background: transparent; filter: drop-shadow(0 13px 14px rgba(6, 27, 49, .32)); }
.os-shelf img { width: auto; max-width: 100%; height: auto; max-height: 100%; object-fit: contain; object-position: center bottom; background: transparent; }
.os-shelf figcaption { position: absolute; left: 9px; bottom: 9px; padding: 5px 8px; border-radius: 4px; color: #fff; background: rgba(6, 27, 49, .84); text-align: center; font-size: 8px; font-weight: 850; }
.os-search-card { position: absolute; z-index: 5; right: -7px; bottom: -12px; width: min(292px, 53%); padding: 14px; border: 6px solid #172530; border-radius: 24px; background: #f8fbfc; box-shadow: 0 24px 45px rgba(6, 27, 49, .3); }
.os-search-card__top { display: flex; align-items: center; gap: 10px; padding-bottom: 10px; border-bottom: 1px solid var(--os-line); color: var(--os-navy); font-size: 12px; }
.os-search-card__top span { width: 7px; height: 7px; border-radius: 50%; background: var(--os-green); box-shadow: 13px 0 0 #b9ccd4; }
.os-search-card__query { margin: 11px 0; padding: 9px 11px; border: 2px solid #8cc1ad; border-radius: 8px; background: #fff; }
.os-search-card__query small, .os-search-card__query b { display: block; }
.os-search-card__query small { color: var(--os-green); font-size: 8px; font-weight: 900; }
.os-search-card__query b { color: var(--os-navy); font-size: 11px; }
.os-search-card__result { padding: 12px; border-radius: 10px; background: #fff; box-shadow: 0 7px 18px rgba(11, 43, 77, .09); }
.os-search-card__result > small { color: var(--os-green); font-size: 8px; font-weight: 900; }
.os-search-card__result > strong { display: block; margin: 3px 0 7px; color: var(--os-navy); font-size: 13px; }
.os-search-card dl { margin: 0; display: grid; grid-template-columns: 55px 1fr; gap: 3px; font-size: 9px; }
.os-search-card dt { color: var(--os-muted); font-weight: 800; }
.os-search-card dd { margin: 0; color: #294457; font-weight: 850; }
.os-search-card dd b { color: var(--os-green); font-size: 15px; }
.os-scope { color: #fff; background: var(--os-navy); }
.os-scope__inner { min-height: 82px; display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 11px; }
.os-scope__inner strong { margin-right: 12px; color: #a9dcca; font-size: 12px; letter-spacing: .06em; }
.os-scope__inner span, .os-scope__inner b { padding: 7px 11px; border-radius: 6px; background: rgba(255,255,255,.1); font-size: 13px; }
.os-scope__inner b { color: var(--os-navy); background: var(--os-yellow); }
.os-scope__inner i { color: #88a0b1; font-style: normal; font-weight: 900; }

.os-section { padding: 88px 0; }
.os-section h2 { max-width: 20em; font-size: clamp(36px, 3.8vw, 48px); line-height: 1.34; }
.os-section__lead { max-width: 42em; margin: 18px 0 0; color: var(--os-muted); font-size: 17px; line-height: 1.9; }
.os-section--use-cases { background: #fff; }
.os-use-grid { margin-top: 42px; display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 15px; }
.os-use-card { min-height: 0; padding: 26px 25px; display: flex; flex-direction: column; gap: 18px; border: 1px solid var(--os-line); border-radius: 15px; background: #fff; box-shadow: 0 9px 23px rgba(11, 43, 77, .06); }
.os-use-card--main { color: #fff; background: linear-gradient(145deg, var(--os-navy), #174d77); border-color: transparent; }
.os-use-card__icon { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 12px; color: #fff; background: var(--os-green); font-size: 19px; font-weight: 900; }
.os-use-card--main .os-use-card__icon { color: var(--os-navy); background: var(--os-yellow); }
.os-use-card small { color: #a8ddca; font-size: 10px; font-weight: 900; letter-spacing: .1em; }
.os-use-card h3 { margin: 0 0 8px; color: var(--os-navy); font-size: 20px; line-height: 1.45; }
.os-use-card--main h3 { color: #fff; font-size: 24px; }
.os-use-card p { margin: 0; color: var(--os-muted); font-size: 14px; line-height: 1.72; }
.os-use-card--main p { color: #dce9f1; }

.os-section--story { color: #fff; background: var(--os-navy-dark); }
.os-story { display: block; }
.os-story__copy { max-width: 980px; margin: 0 auto; text-align: center; }
.os-story .os-eyebrow { color: #9be0c7; }
.os-story h2 { max-width: none; color: #fff; }
.os-quotes { margin-top: 30px; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.os-quotes p { margin: 0; padding: 14px 18px; border-bottom: 4px solid var(--os-yellow); color: #dce9f0; background: rgba(255,255,255,.06); font-size: 15px; line-height: 1.7; font-weight: 800; }
.os-searching-boxes { max-width: 1020px; margin: 42px auto 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.os-box { position: relative; min-height: 134px; padding: 22px 25px; border: 2px solid #c0a06b; border-radius: 7px; color: #352813; background: linear-gradient(135deg, #e0bc80, #c99856); box-shadow: 0 18px 30px rgba(0,0,0,.26); }
.os-box:before { content: ""; position: absolute; top: 0; left: 50%; width: 34%; height: 100%; transform: translateX(-50%); border-left: 1px solid rgba(70,49,18,.22); border-right: 1px solid rgba(70,49,18,.22); background: rgba(255,255,255,.12); }
.os-box span, .os-box strong { position: relative; z-index: 1; display: block; }
.os-box span { font-size: 13px; font-weight: 800; }
.os-box strong { margin-top: 12px; font-size: 20px; }
.os-box--one, .os-box--two, .os-box--three { transform: none; }
.os-searching-boxes > p { grid-column: 1 / -1; margin: 4px 0 0; padding: 16px 18px; border-radius: 8px; color: var(--os-navy); background: var(--os-yellow); font-size: 15px; line-height: 1.7; font-weight: 900; text-align: center; }

.os-section--search { background: var(--os-ice); }
.os-demo { margin-top: 42px; display: grid; grid-template-columns: .83fr 80px 1.17fr; gap: 25px; align-items: center; }
.os-demo__phone { width: min(100%, 390px); justify-self: center; padding: 44px 21px 25px; border: 11px solid #18252f; border-radius: 36px; background: #fff; box-shadow: 0 24px 45px rgba(10, 45, 85, .17); }
.os-demo__phone-head { position: relative; padding: 0 0 14px; display: flex; justify-content: center; border-bottom: 1px solid var(--os-line); color: var(--os-navy); }
.os-demo__phone-head:before { content: ""; position: absolute; top: -27px; left: 50%; width: 70px; height: 7px; transform: translateX(-50%); border-radius: 99px; background: #18252f; }
.os-demo__phone-head span { position: absolute; left: 0; font-size: 10px; font-weight: 800; }
.os-demo__phone-head strong { font-size: 14px; }
.os-demo__phone-head i { position: absolute; right: 0; width: 16px; height: 10px; border: 2px solid #82939f; border-radius: 3px; }
.os-demo__label { display: block; margin-top: 17px; color: var(--os-muted); font-size: 10px; font-weight: 800; }
.os-demo__input { margin-top: 6px; padding: 12px 13px; display: flex; justify-content: space-between; gap: 10px; border: 2px solid #84b9a5; border-radius: 9px; color: var(--os-navy); font-size: 13px; font-weight: 850; }
.os-demo__input b { color: var(--os-green); font-size: 20px; line-height: 1; }
.os-demo__found { position: relative; margin-top: 15px; padding: 15px; border-radius: 10px; background: var(--os-mint); }
.os-demo__found small, .os-demo__found strong { display: block; }
.os-demo__found small { color: var(--os-green); font-size: 9px; font-weight: 900; }
.os-demo__found strong { margin-top: 4px; color: var(--os-navy); }
.os-demo__found em { position: absolute; right: 14px; top: 50%; padding: 5px 8px; transform: translateY(-50%); border-radius: 6px; color: #fff; background: var(--os-green); font-size: 11px; font-style: normal; font-weight: 900; }
.os-demo__arrow { color: var(--os-green); font-size: 52px; text-align: center; font-weight: 900; }
.os-demo__address { padding: 32px; border: 1px solid var(--os-line); border-radius: 20px; background: #fff; box-shadow: 0 17px 37px rgba(10, 45, 85, .09); }
.os-demo__address > p { margin: 0 0 18px; color: var(--os-green); font-size: 13px; font-weight: 900; letter-spacing: .08em; }
.os-demo__address dl { margin: 0; display: grid; grid-template-columns: 130px 1fr; gap: 12px; font-size: 15px; line-height: 1.7; }
.os-demo__address dt { color: var(--os-muted); font-weight: 800; }
.os-demo__address dd { margin: 0; color: var(--os-navy); font-weight: 900; }
.os-demo__address dd strong { display: inline-grid; place-items: center; min-width: 55px; height: 35px; border-radius: 7px; color: #fff; background: var(--os-green); font-size: 20px; }
.os-demo__route { margin-top: 24px; padding: 12px 14px; display: flex; align-items: center; justify-content: center; gap: 9px; border-radius: 9px; color: var(--os-muted); background: var(--os-ice); font-size: 12px; font-weight: 850; }
.os-demo__route i { color: #9aabb5; font-style: normal; }
.os-demo__route b { color: var(--os-green); }

.os-section--locker { background: #fff; }
.os-locker-layout { display: grid; grid-template-columns: 1.02fr .98fr; gap: 58px; align-items: center; }
.os-locker-layout__image { position: relative; padding: 32px 30px 24px; border: 11px solid #233640; border-radius: 10px; background: repeating-linear-gradient(90deg, #344b58 0 12px, #263b46 12px 24px); box-shadow: 0 24px 50px rgba(10,45,85,.17); }
.os-locker-layout__image img { width: 100%; max-height: 585px; object-fit: contain; border: 7px solid #fff; background: #fff; }
.os-locker-layout__image > p:last-child { margin: 16px 0 0; color: #dce7ec; font-size: 10px; }
.os-container-label { position: absolute; z-index: 2; left: 45px; top: 46px; margin: 0; padding: 7px 11px; border-radius: 6px; color: var(--os-navy); background: var(--os-yellow); font-size: 11px; font-weight: 900; }
.os-shelf-list { margin-top: 30px; display: grid; gap: 10px; }
.os-shelf-list > div { padding: 13px 15px; display: flex; align-items: center; gap: 15px; border: 1px solid var(--os-line); border-radius: 10px; background: #fff; }
.os-shelf-list > div > b { width: 58px; height: 42px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 8px; color: #fff; background: var(--os-navy); font-size: 19px; }
.os-shelf-list span { display: grid; }
.os-shelf-list strong { color: var(--os-navy); font-size: 16px; line-height: 1.55; }
.os-shelf-list small { color: var(--os-muted); font-size: 13px; line-height: 1.65; }

.os-section--process { background: var(--os-mint); }
.os-process { margin-top: 42px; display: grid; grid-template-columns: repeat(5, 1fr); gap: 11px; }
.os-process article { position: relative; min-height: 220px; padding: 24px 19px; border: 1px solid #c8ded5; border-radius: 13px; background: #fff; }
.os-process article:not(:last-child):after { content: "›"; position: absolute; z-index: 2; top: 47%; right: -13px; width: 24px; height: 24px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: var(--os-green); font-size: 20px; line-height: 1; }
.os-process span { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: var(--os-green); font-size: 12px; font-weight: 900; }
.os-process h3 { margin: 17px 0 8px; color: var(--os-navy); font-size: 19px; line-height: 1.5; }
.os-process p { margin: 0; color: var(--os-muted); font-size: 14px; line-height: 1.72; }

.os-section--benefits { background: #fff; }
.os-benefit-grid { margin-top: 40px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.os-benefit-grid article { padding: 28px 24px; border: 1px solid var(--os-line); border-top: 5px solid var(--os-green); border-radius: 13px; background: #fff; box-shadow: 0 10px 24px rgba(10, 45, 85, .06); }
.os-benefit-grid span { color: var(--os-green); font-size: 11px; font-weight: 900; letter-spacing: .08em; }
.os-benefit-grid h3 { margin: 10px 0 8px; color: var(--os-navy); font-size: 20px; line-height: 1.5; }
.os-benefit-grid p { margin: 0; color: var(--os-muted); font-size: 14px; line-height: 1.72; }

.os-section--business { color: #fff; background: linear-gradient(145deg, var(--os-navy-dark), var(--os-navy)); }
.os-business__intro { max-width: 1040px; margin: 0 auto; text-align: center; }
.os-business__intro .os-eyebrow { margin: 0 0 18px; color: #9ee0c9; }
.os-business__intro h2 { max-width: none; color: #fff; }
.os-business__intro > p:last-child { max-width: 46em; margin: 22px auto 0; color: #dbe8ef; font-size: 17px; line-height: 1.9; }
.os-business__intro > p strong { color: var(--os-yellow); }
.os-upgrade { margin-top: 52px; display: grid; grid-template-columns: 1fr 120px 1.25fr; gap: 18px; align-items: center; }
.os-upgrade article { min-height: 280px; padding: 30px; border: 1px solid rgba(255,255,255,.17); border-radius: 17px; background: rgba(255,255,255,.06); }
.os-upgrade article small { color: #9fb5c3; font-weight: 900; }
.os-upgrade article h3 { margin: 9px 0 16px; font-size: 27px; }
.os-upgrade article ul { margin: 0; padding-left: 22px; color: #dbe8ef; line-height: 2; }
.os-upgrade .os-upgrade__after { color: var(--os-navy-dark); background: #fff; border-color: #fff; box-shadow: 0 23px 48px rgba(0,0,0,.2); }
.os-upgrade .os-upgrade__after small { color: var(--os-green); }
.os-upgrade .os-upgrade__after h3 { color: var(--os-navy); }
.os-upgrade .os-upgrade__after ul { color: var(--os-muted); }
.os-upgrade__arrow { text-align: center; }
.os-upgrade__arrow span { display: block; color: #9fb5c3; font-size: 10px; font-weight: 900; }
.os-upgrade__arrow b { display: block; color: var(--os-yellow); font-size: 55px; line-height: 1.2; }
.os-business-points { margin-top: 20px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.os-business-points article { padding: 24px; border: 1px solid rgba(255,255,255,.14); border-radius: 13px; background: rgba(255,255,255,.05); }
.os-business-points article > b { display: inline-block; padding: 5px 8px; border-radius: 5px; color: var(--os-navy); background: var(--os-yellow); font-size: 10px; }
.os-business-points h3 { margin: 12px 0 8px; font-size: 19px; line-height: 1.55; }
.os-business-points p { margin: 0; color: #c8d8e1; font-size: 14px; line-height: 1.72; }

.os-section--pilot { background: var(--os-warm); }
.os-pilot-grid { margin-top: 42px; display: grid; grid-template-columns: 1.08fr .92fr; gap: 42px; align-items: stretch; }
.os-pilot-steps { display: grid; gap: 10px; }
.os-pilot-steps article { padding: 17px 20px; display: grid; grid-template-columns: 90px 1fr; gap: 18px; align-items: center; border: 1px solid #ead9b6; border-radius: 10px; background: #fff; }
.os-pilot-steps b { color: var(--os-green); font-size: 11px; letter-spacing: .06em; }
.os-pilot-steps span { color: var(--os-navy); font-size: 15px; line-height: 1.7; font-weight: 850; }
.os-pilot-card { padding: 34px; border-radius: 18px; color: #fff; background: var(--os-navy); box-shadow: 0 22px 45px rgba(10,45,85,.18); }
.os-pilot-card > small { color: #a6dec9; font-weight: 900; }
.os-pilot-card h3 { margin: 9px 0 18px; font-size: 28px; }
.os-pilot-card ul { margin: 0; padding-left: 21px; color: #deebf2; line-height: 2; }
.os-pilot-card p { margin: 20px 0 24px; color: #c9dae3; font-size: 15px; line-height: 1.75; }
.os-pilot-card .os-button { width: 100%; color: var(--os-navy); background: var(--os-yellow); border-color: var(--os-yellow); box-shadow: none; }

.os-section--faq { background: #fff; }
.os-faq-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 58px; align-items: start; }
.os-faq details { border-bottom: 1px solid var(--os-line); }
.os-faq summary { position: relative; min-height: 64px; padding: 18px 48px 18px 0; display: flex; align-items: center; color: var(--os-navy); font-size: 16px; line-height: 1.7; font-weight: 900; cursor: pointer; list-style: none; }
.os-faq summary::-webkit-details-marker { display: none; }
.os-faq summary:after { content: "+"; position: absolute; right: 4px; top: 50%; width: 32px; height: 32px; display: grid; place-items: center; transform: translateY(-50%); border-radius: 50%; color: #fff; background: var(--os-green); }
.os-faq details[open] summary:after { content: "−"; }
.os-faq details p { max-width: 42em; margin: 0; padding: 0 48px 22px 0; color: var(--os-muted); font-size: 15px; line-height: 1.8; }

.os-inquiry { padding: 92px 0; background: linear-gradient(145deg, #eaf7f1, #f7fbfc); }
.os-inquiry__heading { max-width: 820px; margin: 0 auto 42px; text-align: center; }
.os-inquiry__heading h2 { font-size: clamp(34px, 4.5vw, 52px); }
.os-inquiry__heading > span { display: block; max-width: 42em; margin: 14px auto 0; color: var(--os-muted); font-size: 16px; line-height: 1.8; }
.os-inquiry__layout { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(290px, .65fr); gap: 28px; align-items: start; }
.os-inquiry-form { padding: 36px; border: 1px solid var(--os-line); border-radius: 20px; background: #fff; box-shadow: 0 18px 42px rgba(10,45,85,.11); }
.os-inquiry-form fieldset { margin: 0 0 32px; padding: 0; border: 0; }
.os-inquiry-form legend { width: 100%; margin-bottom: 14px; color: var(--os-navy); font-size: 18px; line-height: 1.6; font-weight: 900; }
.os-inquiry-form legend b { width: 28px; height: 28px; margin-right: 8px; display: inline-grid; place-items: center; border-radius: 50%; color: #fff; background: var(--os-green); font-size: 12px; }
.os-inquiry-form legend small { margin-left: 6px; color: var(--os-muted); font-size: 10px; }
.os-choice-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.os-choice-grid label { position: relative; cursor: pointer; }
.os-choice-grid input { position: absolute; opacity: 0; pointer-events: none; }
.os-choice-grid span { min-height: 56px; padding: 12px 14px 12px 40px; display: flex; align-items: center; border: 2px solid #d6e2e7; border-radius: 10px; color: #405968; background: #fff; font-size: 14px; font-weight: 800; line-height: 1.65; }
.os-choice-grid span:before { content: ""; position: absolute; left: 14px; top: 50%; width: 16px; height: 16px; transform: translateY(-50%); border: 2px solid #9db1bc; border-radius: 4px; background: #fff; }
.os-choice-grid input:checked + span { color: var(--os-navy); border-color: var(--os-green); background: var(--os-mint); }
.os-choice-grid input:checked + span:before { border-color: var(--os-green); background: var(--os-green); box-shadow: inset 0 0 0 3px #fff; }
.os-field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.os-field--wide { grid-column: 1 / -1; }
.os-field-grid label, .os-textarea-field { display: grid; gap: 7px; color: var(--os-navy); font-size: 14px; line-height: 1.65; font-weight: 850; }
.os-field-grid label > span, .os-textarea-field > span { display: block; }
.os-field-grid em { margin-left: 5px; color: var(--os-red); font-size: 10px; font-style: normal; }
.os-inquiry-form input[type="text"], .os-inquiry-form input[type="email"], .os-inquiry-form textarea { width: 100%; padding: 13px 14px; border: 2px solid #d6e2e7; border-radius: 9px; color: var(--os-ink); background: #fff; font: inherit; font-size: 16px; line-height: 1.6; }
.os-inquiry-form input[type="text"], .os-inquiry-form input[type="email"] { min-height: 52px; }
.os-textarea-field { margin-top: 20px; }
.os-inquiry-form textarea { resize: vertical; }
.os-inquiry-form__submit { width: 100%; min-height: 56px; margin-top: 24px; font-size: 16px; }
.os-inquiry-form__submit:disabled { cursor: not-allowed; opacity: .62; transform: none; }
.os-inquiry-form__note { margin: 10px 0 0; color: var(--os-muted); font-size: 12px; line-height: 1.65; text-align: center; }
.os-inquiry-form__note.is-error { color: #c83232; font-weight: 800; }
.os-inquiry-form__note.is-success { color: var(--os-green-dark); font-weight: 800; }
.os-contact-card { position: sticky; top: 100px; padding: 32px; display: grid; gap: 14px; border-radius: 20px; color: #fff; background: linear-gradient(145deg, var(--os-navy-dark), var(--os-navy)); box-shadow: 0 20px 42px rgba(6,27,49,.2); }
.os-contact-card__label { margin: 0; color: #9ee0c9; font-size: 11px; font-weight: 900; letter-spacing: .08em; }
.os-contact-card h3 { margin: 0; color: #fff; font-size: 21px; line-height: 1.55; }
.os-contact-card > p:not(.os-contact-card__label) { margin: 0; color: #dce9f0; font-size: 14px; line-height: 1.75; }
.os-contact-card__email { padding: 11px 13px; border: 1px solid rgba(255,255,255,.22); border-radius: 8px; color: #fff; background: rgba(255,255,255,.08); font-weight: 900; text-align: center; }
.os-contact-card small { color: #bcd0dc; font-size: 13px; line-height: 1.75; }
.os-footer { padding: 27px 0; color: #9cb0be; background: var(--os-navy-dark); font-size: 12px; }
.os-footer__inner { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.os-mobile-cta { display: none; }

@media (max-width: 1000px) {
  .os-nav a:not(.os-button) { display: none; }
  .os-hero__grid { min-height: 0; grid-template-columns: 1fr; gap: 36px; padding: 62px 0 78px; }
  .os-hero__copy { max-width: 780px; }
  .os-hero__visual { min-height: 540px; }
  .os-use-grid { grid-template-columns: repeat(2, 1fr); }
  .os-locker-layout, .os-pilot-grid, .os-faq-layout { grid-template-columns: 1fr; }
  .os-process { grid-template-columns: repeat(3, 1fr); }
  .os-process article:nth-child(3):after { display: none; }
  .os-benefit-grid { grid-template-columns: repeat(2, 1fr); }
  .os-inquiry__layout { grid-template-columns: 1fr; }
  .os-contact-card { position: static; }
}

@media (max-width: 720px) {
  body { font-size: 15px; line-height: 1.8; }
  html { scroll-padding-top: 70px; }
  .os-wrap { width: min(calc(100% - 28px), var(--os-max)); }
  .os-header__inner { min-height: 58px; }
  .os-brand { gap: 9px; }
  .os-brand__mark { width: 34px; height: 34px; border-radius: 9px; }
  .os-brand strong { font-size: 13px; }
  .os-brand small { display: none; }
  .os-nav .os-button { min-height: 42px; padding-inline: 11px; font-size: 11px; }
  .os-hero__grid { gap: 10px; padding: 14px 0 22px; }
  .os-eyebrow { margin-bottom: 7px; font-size: 11px; line-height: 1.6; letter-spacing: .04em; }
  .os-hero__copy > .os-eyebrow span { display: block; }
  .os-hero__copy > .os-eyebrow span + span:before { display: none; }
  .os-hero h1 { font-size: 32px; line-height: 1.16; letter-spacing: -.02em; }
  .os-hero__lead { margin-top: 11px; font-size: 15px; line-height: 1.85; }
  .os-hero__summary, .os-hero-contact, .os-proof { display: none; }
  .os-actions { display: grid; }
  .os-actions { margin-top: 12px; }
  .os-actions .os-button { min-height: 48px; padding-inline: 10px; font-size: 14px; line-height: 1.5; }
  .os-button { width: 100%; }
  .os-hero__visual { min-height: 340px; }
  .os-container-room { inset: 0; border-width: 4px; border-radius: 9px; }
  .os-container-room__header { height: 36px; padding-inline: 8px; }
  .os-container-room__header span { padding: 3px 6px; font-size: 8px; }
  .os-container-room__header strong { font-size: 10px; }
  .os-container-room__header small { font-size: 7px; }
  .os-container-room__inside { inset: 36px 0 0; padding: 8px 12px 11px; }
  .os-shelf { width: min(91%, 330px); }
  .os-shelf figcaption { left: 5px; bottom: 5px; padding: 3px 5px; font-size: 7px; }
  .os-search-card { right: -3px; bottom: -3px; width: 58%; padding: 8px; border-width: 4px; border-radius: 17px; }
  .os-search-card__top { gap: 7px; padding-bottom: 6px; font-size: 10px; line-height: 1.45; }
  .os-search-card__top span { width: 5px; height: 5px; box-shadow: 9px 0 0 #b9ccd4; }
  .os-search-card__query { margin: 5px 0; padding: 5px 6px; border-width: 1px; border-radius: 5px; }
  .os-search-card__query small { font-size: 9px; line-height: 1.4; }
  .os-search-card__query b { font-size: 10px; line-height: 1.45; }
  .os-search-card__result { padding: 7px; border-radius: 6px; }
  .os-search-card__result > small { font-size: 9px; line-height: 1.4; }
  .os-search-card__result > strong { margin: 2px 0 4px; font-size: 10.5px; line-height: 1.45; }
  .os-search-card dl { grid-template-columns: 38px 1fr; gap: 2px 4px; font-size: 9.5px; line-height: 1.45; }
  .os-search-card dd b { font-size: 14px; }
  .os-scope__inner { padding: 18px 0; justify-content: flex-start; gap: 7px; }
  .os-scope__inner strong { width: 100%; }
  .os-scope__inner span, .os-scope__inner b { font-size: 10px; }
  .os-section { padding: 56px 0; }
  .os-section h2, .os-inquiry__heading h2 { font-size: clamp(29px, 8vw, 32px); line-height: 1.4; }
  .os-story h2 { font-size: 30px; line-height: 1.4; }
  .os-section__lead { font-size: 15px; line-height: 1.85; }
  .os-use-grid { grid-template-columns: 1fr; }
  .os-use-card { min-height: 0; padding: 22px 20px; flex-direction: row; }
  .os-use-card h3, .os-process h3, .os-benefit-grid h3, .os-business-points h3 { font-size: 18px; line-height: 1.5; }
  .os-use-card p, .os-process p, .os-benefit-grid p, .os-business-points p, .os-pilot-card p { font-size: 15px; line-height: 1.75; }
  .os-quotes { display: grid; }
  .os-searching-boxes { grid-template-columns: 1fr; }
  .os-searching-boxes > p { grid-column: auto; }
  .os-demo { grid-template-columns: 1fr; }
  .os-demo__arrow { transform: rotate(90deg); font-size: 38px; }
  .os-demo__address { padding: 24px 20px; }
  .os-demo__address dl { grid-template-columns: 105px 1fr; font-size: 15px; line-height: 1.7; }
  .os-locker-layout { gap: 35px; }
  .os-locker-layout__image { padding: 28px 18px 19px; border-width: 8px; }
  .os-container-label { left: 30px; top: 39px; }
  .os-process { grid-template-columns: 1fr; }
  .os-process article { min-height: 0; }
  .os-process article:after { display: none; }
  .os-benefit-grid, .os-business-points { grid-template-columns: 1fr; }
  .os-upgrade { grid-template-columns: 1fr; }
  .os-upgrade__arrow b { transform: rotate(90deg); }
  .os-pilot-steps article { grid-template-columns: 70px 1fr; gap: 9px; }
  .os-faq summary { min-height: 60px; padding-right: 48px; font-size: 15px; line-height: 1.7; }
  .os-faq details p { padding-right: 0; font-size: 15px; line-height: 1.8; }
  .os-inquiry { padding: 58px 0 92px; }
  .os-inquiry__heading { margin-bottom: 30px; }
  .os-inquiry__heading > span { font-size: 15px; line-height: 1.8; }
  .os-inquiry-form { padding: 24px 18px; }
  .os-choice-grid, .os-field-grid { grid-template-columns: 1fr; }
  .os-inquiry-form legend { font-size: 16px; line-height: 1.65; }
  .os-choice-grid span { min-height: 54px; font-size: 15px; line-height: 1.65; }
  .os-field-grid label, .os-textarea-field { font-size: 14px; line-height: 1.65; }
  .os-inquiry-form input[type="text"], .os-inquiry-form input[type="email"], .os-inquiry-form textarea { min-height: 52px; font-size: 16px; line-height: 1.6; }
  .os-inquiry-form__submit { min-height: 56px; font-size: 16px; }
  .os-inquiry-form__note { font-size: 12px; line-height: 1.65; }
  .os-contact-card h3 { font-size: 19px; }
  .os-contact-card > p:not(.os-contact-card__label) { font-size: 15px; line-height: 1.75; }
  .os-contact-card small { font-size: 13px; line-height: 1.75; }
  .os-mobile-cta { position: fixed; z-index: 45; left: 0; right: 0; bottom: 0; display: block; padding: 8px 12px calc(8px + env(safe-area-inset-bottom)); background: rgba(6, 27, 49, .96); }
  .os-mobile-cta a { min-height: 48px; display: grid; place-items: center; border-radius: 8px; color: #fff; background: var(--os-green); font-size: 14px; line-height: 1.45; font-weight: 900; }
  .os-footer { padding-bottom: calc(92px + env(safe-area-inset-bottom)); }
}

@media (max-width: 420px) {
  .os-header .os-nav { display: none; }
  .os-hero h1 { font-size: 31px; line-height: 1.16; }
  .os-hero__visual { min-height: 340px; }
  .os-container-room__header { height: 36px; padding-inline: 8px; }
  .os-container-room__header strong { font-size: 10px; }
  .os-container-room__header small { display: none; }
  .os-container-room__inside { inset: 36px 0 0; }
  .os-search-card { width: 58%; }
  .os-search-card__result > strong { font-size: 10.5px; }
  .os-search-card dl { grid-template-columns: 38px 1fr; }
  .os-box { width: 82%; }
}

@media (max-width: 350px) {
  .os-hero h1 { font-size: 28px; }
}