/*
Theme Name: ARK Corporate Child
Theme URI: https://arkrealestate.co.jp/
Description: Astra child theme for the corporate homepage. Atlas AI templates and plugins are untouched.
Author: ARK
Template: astra
Version: 0.4.0
Requires PHP: 7.4
Text Domain: ark-corporate-child
*/

:root{--ark-navy:#142941;--ark-ink:#27313c;--ark-muted:#647281;--ark-line:#dfe5e9;--ark-pale:#f4f7f8;--ark-accent:#b99b70}
.ark-home{margin:0;background:#fff;color:var(--ark-ink);font-family:"Noto Sans JP","Yu Gothic",Meiryo,sans-serif;line-height:1.8}
.ark-home *{box-sizing:border-box}.ark-home a{color:inherit;text-decoration:none}.ark-home a:focus-visible,.ark-home button:focus-visible{outline:3px solid var(--ark-accent);outline-offset:4px}
.ark-container{width:min(1160px,calc(100% - 48px));margin:auto}.ark-eyebrow{font-size:.75rem;letter-spacing:.22em;font-weight:700;color:var(--ark-accent);text-transform:uppercase}.ark-section{padding:112px 0}.ark-section h2{margin:.55rem 0 1rem;color:var(--ark-navy);font-size:clamp(2rem,4vw,3.1rem);line-height:1.42;letter-spacing:.03em}.ark-lead{max-width:760px;color:var(--ark-muted);font-size:1.03rem}.ark-rule{width:42px;height:2px;background:var(--ark-accent);margin:24px 0 34px}
.ark-preview{background:#e8edf1;color:#314253;text-align:center;font-size:.78rem;padding:6px 18px}.ark-header{background:#fff;position:sticky;top:0;z-index:30;border-bottom:1px solid var(--ark-line)}.ark-head-inner{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:28px}.ark-brand{display:flex;align-items:center;gap:12px;font-weight:750;letter-spacing:.16em;color:var(--ark-navy)!important;line-height:1.1;white-space:nowrap}.ark-mark{display:grid;place-items:center;width:39px;height:39px;border:1px solid currentColor;font-family:Georgia,serif;font-size:1.35rem;letter-spacing:0}.ark-brand small{display:block;font-size:.55rem;letter-spacing:.22em;font-weight:500;margin-top:5px}.ark-nav{display:flex;align-items:center;gap:24px;font-size:.77rem;font-weight:650}.ark-nav a:hover,.ark-text-link:hover{color:#9d7d50}.ark-nav .ark-nav-cta{background:var(--ark-navy);color:#fff;padding:11px 18px}.ark-menu-button{display:none;border:0;background:none;color:var(--ark-navy);font-size:1.4rem;cursor:pointer}
.ark-hero{background:linear-gradient(90deg,rgba(12,32,54,.92) 0%,rgba(12,32,54,.8) 35%,rgba(12,32,54,.18) 100%),url('assets/hero-architecture.png') center/cover no-repeat;min-height:650px;display:flex;align-items:center;color:#fff}.ark-hero-content{padding:100px 0}.ark-hero h1{font-size:clamp(2.7rem,5.2vw,5rem);line-height:1.35;letter-spacing:.075em;margin:30px 0;color:#fff}.ark-hero p{max-width:610px;color:#e3eaf0;font-size:1.02rem}.ark-hero .ark-eyebrow{color:#dfc29a}.ark-hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:42px}.ark-button{display:inline-flex;justify-content:center;align-items:center;min-height:52px;padding:12px 25px;font-size:.83rem;font-weight:700;letter-spacing:.07em;transition:transform .2s,background .2s}.ark-button:hover{transform:translateY(-2px)}.ark-button-light{background:#fff;color:var(--ark-navy)!important}.ark-button-outline{border:1px solid #c5d2df;color:#fff!important}.ark-button-dark{background:var(--ark-navy);color:#fff!important}.ark-image-note{font-size:.68rem;color:#e3eaf0;margin-top:18px}
.ark-strip{background:#f8f9f9;border-bottom:1px solid var(--ark-line)}.ark-strip-inner{display:grid;grid-template-columns:repeat(3,1fr)}.ark-strip-item{padding:28px 30px;border-right:1px solid var(--ark-line);color:var(--ark-navy);font-size:.9rem}.ark-strip-item:first-child{border-left:1px solid var(--ark-line)}.ark-strip-item span{display:block;color:#8a98a4;font-size:.68rem;letter-spacing:.14em;margin-bottom:4px}.ark-intro-grid,.ark-feature-grid,.ark-tech-grid{display:grid;grid-template-columns:1fr 1fr;gap:8%;align-items:center}.ark-visual{min-height:440px;background:linear-gradient(155deg,#d3dadb 0 25%,#9eafb5 25% 44%,#5d7584 44% 67%,#193952 67%);position:relative;overflow:hidden}.ark-visual:before,.ark-visual:after{content:"";position:absolute;background:rgba(255,255,255,.14);transform:skewY(-25deg)}.ark-visual:before{width:38%;height:85%;left:12%;bottom:-22%}.ark-visual:after{width:21%;height:70%;right:17%;bottom:-15%}.ark-visual-caption{position:absolute;bottom:24px;left:28px;color:#fff;font-family:Georgia,serif;letter-spacing:.25em}
.ark-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:54px}.ark-card{border:1px solid var(--ark-line);padding:34px 30px 30px;min-height:290px;background:#fff}.ark-card-number{font-family:Georgia,serif;color:var(--ark-accent);font-size:1.65rem}.ark-card h3{font-size:1.35rem;color:var(--ark-navy);margin:20px 0 12px}.ark-card p{color:var(--ark-muted);font-size:.89rem;margin:0 0 23px}.ark-text-link{color:var(--ark-navy)!important;font-weight:700;font-size:.8rem;border-bottom:1px solid var(--ark-accent);padding-bottom:5px}.ark-pale{background:var(--ark-pale)}.ark-quote{border-left:2px solid var(--ark-accent);padding-left:22px;color:var(--ark-navy);font-size:1.3rem;line-height:1.7}.ark-tech{background:var(--ark-navy);color:#fff}.ark-tech h2{color:#fff}.ark-tech .ark-lead{color:#c4d0db}.ark-tech-panel{border:1px solid rgba(255,255,255,.24);padding:42px;background:rgba(255,255,255,.035)}.ark-tech-panel .ark-eyebrow{color:#d1b38a}.ark-tech-panel h3{font-size:1.65rem;margin:10px 0 16px;color:#fff}.ark-tech-panel p{color:#c4d0db}.ark-tech-panel .ark-text-link{color:#fff!important}.ark-contact-band{background:#ebeff2;text-align:center}.ark-contact-band p{color:var(--ark-muted)}.ark-footer{background:#101d2c;color:#b9c3cf;padding:54px 0 34px;font-size:.78rem}.ark-footer-grid{display:flex;justify-content:space-between;gap:35px;align-items:flex-start}.ark-footer .ark-brand{color:#fff!important}.ark-footer-links{display:flex;gap:20px;flex-wrap:wrap}.ark-footer-note{border-top:1px solid #344353;margin-top:45px;padding-top:20px;font-size:.7rem;color:#9cabb9}
@media(max-width:900px){.ark-nav{gap:13px;font-size:.7rem}.ark-cards{grid-template-columns:1fr}.ark-card{min-height:auto}.ark-intro-grid,.ark-feature-grid,.ark-tech-grid{gap:35px}.ark-strip-item{padding:20px 16px}}
@media(max-width:700px){.ark-container{width:min(100% - 36px,1160px)}.ark-head-inner{min-height:65px}.ark-menu-button{display:block}.ark-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--ark-line);padding:18px;flex-direction:column;align-items:stretch;gap:0;box-shadow:0 12px 25px #122d4422}.ark-nav.ark-open{display:flex}.ark-nav a{padding:12px}.ark-nav .ark-nav-cta{margin-top:8px;text-align:center}.ark-hero{min-height:590px;background-position:57% center}.ark-hero-content{padding:88px 0}.ark-hero h1{font-size:clamp(2.4rem,9vw,3.5rem)}.ark-section{padding:74px 0}.ark-intro-grid,.ark-feature-grid,.ark-tech-grid{grid-template-columns:1fr}.ark-visual{min-height:310px}.ark-strip-inner{grid-template-columns:1fr}.ark-strip-item,.ark-strip-item:first-child{border-left:0;border-right:0;border-bottom:1px solid var(--ark-line);padding:15px 18px}.ark-footer-grid{display:block}.ark-footer-links{margin-top:32px}.ark-tech-panel{padding:28px}.ark-quote{font-size:1.13rem}}
@media(prefers-reduced-motion:reduce){.ark-home *{scroll-behavior:auto!important;transition:none!important}}
.ark-interior{background:#fff;color:var(--ark-ink);font-family:"Noto Sans JP","Yu Gothic",Meiryo,sans-serif}.ark-interior-hero{background:var(--ark-navy);color:#fff;padding:95px 0 100px}.ark-interior-hero h1{color:#fff;font-size:clamp(2.5rem,5vw,4rem);letter-spacing:.06em;margin:12px 0}.ark-interior-hero p:last-child{color:#c7d3df}.ark-interior-section{padding:95px 0 125px}.ark-interior-grid{display:grid;grid-template-columns:1fr 2fr;gap:9%;align-items:start}.ark-interior-grid h2{font-size:2rem;color:var(--ark-navy);margin:12px 0 22px}.ark-interior-content{border-top:2px solid var(--ark-accent);padding:35px 0;font-size:1.02rem;line-height:2}.ark-interior-content p{margin-bottom:1.3em}.ark-interior-content .wpcf7 input:not([type=submit]),.ark-interior-content .wpcf7 textarea{width:100%;border:1px solid var(--ark-line);padding:12px;background:#fff}.ark-interior-content .wpcf7 input[type=submit]{background:var(--ark-navy);color:#fff;border:0;padding:14px 35px;cursor:pointer}@media(max-width:700px){.ark-interior-hero{padding:70px 0}.ark-interior-section{padding:65px 0 85px}.ark-interior-grid{grid-template-columns:1fr;gap:22px}}
.ark-home .ark-menu-button,.ark-home .ark-menu-button:hover,.ark-home .ark-menu-button:focus{background:transparent;color:var(--ark-navy);box-shadow:none}
.ark-brand .ark-logo{display:block;width:235px;height:auto;max-width:none}
@media(max-width:700px){.ark-brand .ark-logo{width:215px}}