:root{--teal:#087b7e;--deep:#075b60;--ink:#292d2d;--cream:#faf8f3;--mist:#edf6f4;--line:#dce5e2}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:"Noto Sans JP",sans-serif;font-weight:300;background:#fff}a{text-decoration:none;color:inherit}
header{height:88px;padding:0 4vw;display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.96);position:sticky;top:0;z-index:30;border-bottom:1px solid #eee;backdrop-filter:blur(10px)}.brand{display:flex;align-items:center;gap:11px;color:var(--deep);font:600 18px Montserrat;letter-spacing:.23em}.brand img{width:86px;height:58px;object-fit:contain}nav{display:flex;gap:31px;font:500 10px Montserrat;letter-spacing:.1em}nav a:hover{color:var(--teal)}.menu{display:none;background:none;border:0;font:500 10px Montserrat;letter-spacing:.15em}
.hero{height:620px;position:relative;overflow:hidden}.hero-image{position:absolute;inset:0;background:linear-gradient(110deg,#223330,#786e5d 48%,#d8c8aa);}.image-slot:after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(4,39,39,.35),transparent 50%)}.image-slot span{position:absolute;right:16px;bottom:12px;z-index:2;color:#fff;font:500 8px Montserrat;letter-spacing:.14em;background:rgba(0,0,0,.25);padding:5px 7px}.hero-overlay{position:absolute;z-index:3;left:6.5vw;top:50%;transform:translateY(-50%);color:white;border-left:2px solid #55c5c1;padding:20px 0 20px 36px}.hero h1{font:400 clamp(43px,4.5vw,67px)/1.5 "Noto Serif JP";letter-spacing:.08em;margin:0 0 13px}.hero-sub{font-size:17px;letter-spacing:.04em}.hero-copy{font-size:12px;line-height:2;margin-top:28px}
.label{font:600 10px Montserrat;letter-spacing:.17em;color:var(--teal)}.intro{padding:90px 7vw;display:grid;grid-template-columns:30% 1fr;gap:6vw;background:var(--cream)}.intro h2,.approach h2,.company h2,.contact h2,.airrex h2{font:400 clamp(25px,2.6vw,38px)/1.65 "Noto Serif JP";margin:8px 0 20px}.intro div p{font-size:13px;line-height:2;max-width:700px}
.business{padding:85px 4vw}.section-head{display:flex;align-items:end;gap:6vw;margin-bottom:34px}.section-head h2{font:500 31px Montserrat;letter-spacing:.03em;color:var(--deep);margin:0}.section-head p{font-size:12px;font-weight:400;line-height:1.7;margin:0}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.cards article{border:1px solid var(--line);background:white}.photo{height:230px;position:relative;background:#aaa}.p-real{background:linear-gradient(145deg,#7e9b92,#d8dfd5)}.p-arch{background:linear-gradient(145deg,#a99680,#e9e0d1)}.p-consult{background:linear-gradient(145deg,#657b78,#d9d0c1)}.p-cool{background:linear-gradient(145deg,#dcebea,#8fb6b3)}.card-text{padding:23px}.card-text>b{font:500 9px Montserrat;color:#8c9491}.card-text h3{font-size:15px;margin:7px 0}.card-text small{font:600 8px Montserrat;color:var(--teal);letter-spacing:.1em}.card-text p{font-size:11px;line-height:1.9}
.approach{display:grid;grid-template-columns:43% 57%;background:#f7f5f0}.approach-copy{padding:75px 5vw}.approach-copy>p:last-child{font-size:12px;line-height:2}.approach-image{position:relative;min-height:390px;background:linear-gradient(140deg,#efe5d3,#a7b6a6 55%,#5c7568)}
.airrex{display:grid;grid-template-columns:1fr 1fr;align-items:center;padding:70px 7vw;background:white}.airrex h2{font-family:Montserrat;font-size:36px;color:var(--deep);letter-spacing:.06em}.airrex h2 span{font-family:"Noto Serif JP";font-size:21px;color:var(--ink);letter-spacing:0}.airrex p{font-size:12px;line-height:2}.note{color:#7e8784;font-size:9px!important}.airrex-image{height:270px;background:linear-gradient(150deg,#edf7f5,#fff);position:relative}.cooler{position:absolute;width:180px;height:140px;background:#f3f4f1;border:1px solid #aebdb9;bottom:25px;left:50%;transform:translateX(-50%);box-shadow:15px 18px 30px #cad6d2}.cooler strong{position:absolute;top:18px;left:55px;color:var(--deep);font:600 12px Montserrat}.cooler i{position:absolute;width:45px;height:100px;border:7px solid var(--teal);border-radius:25px;background:#e9efed;top:-88px;left:42px}.cooler i:nth-child(2){left:99px;transform:rotate(7deg)}
.company{padding:80px 7vw;background:var(--cream);display:grid;grid-template-columns:35% 1fr;gap:8vw}.company dl{margin:0;border-top:1px solid var(--line)}.company dl div{display:grid;grid-template-columns:110px 1fr;border-bottom:1px solid var(--line);padding:19px 0;font-size:12px}.company dt{color:#77817e}.company dd{margin:0}
.contact{padding:80px 7vw;background:linear-gradient(120deg,var(--deep),var(--teal));color:white;display:flex;justify-content:space-between;align-items:end;gap:40px}.light{color:#bce9e5}.contact p{font-size:11px}.contact>a{border:1px solid rgba(255,255,255,.65);padding:20px 24px;min-width:330px;display:flex;justify-content:space-between;font-size:12px}footer{height:100px;padding:0 6vw;background:#064f53;color:white;display:flex;align-items:center;justify-content:space-between}.footbrand{display:flex;align-items:center;gap:10px;font:500 11px Montserrat;letter-spacing:.2em}.footbrand img{width:44px;height:34px;object-fit:contain}footer p{font:400 9px Montserrat}
@media(max-width:780px){header{height:70px}.brand{font-size:14px}.brand img{width:70px}nav{display:none;position:absolute;top:70px;left:0;right:0;padding:28px 7vw;background:#fff;flex-direction:column}.open nav{display:flex}.menu{display:block}.hero{height:590px}.hero-overlay{left:6vw;right:6vw;padding-left:22px}.hero h1{font-size:40px}.hero-sub{font-size:14px}.intro,.company,.airrex{grid-template-columns:1fr;gap:25px;padding:70px 7vw}.section-head{display:block}.section-head p{margin-top:18px}.business{padding:70px 7vw}.cards{grid-template-columns:1fr}.photo{height:210px}.approach{grid-template-columns:1fr}.approach-copy{padding:70px 7vw}.approach-image{min-height:300px}.contact{padding:70px 7vw;flex-direction:column;align-items:stretch}.contact>a{min-width:0}.airrex-image{margin-top:15px}}
.hero-image img,.photo img,.airrex-image img,.approach-image img{
  width:100%;height:100%;display:block;object-fit:cover;
}
.hero-image,.photo,.airrex-image,.approach-image{overflow:hidden;}

/* Final top-page refinements */
.airrex-link{margin-top:22px}
.airrex-link a{color:#0b6f73;text-decoration:none;font-weight:600;letter-spacing:.04em}
.airrex-link a:hover{text-decoration:underline}

/* ===== RUANITY layout fix v2 ===== */
.approach{grid-template-columns:44% 56%}
.approach-copy{padding:64px 4.2vw;min-width:0}
.approach-copy h2{font-size:clamp(25px,2.05vw,34px);line-height:1.75;letter-spacing:.01em;word-break:normal;overflow-wrap:normal}
.approach-copy>p:last-child{max-width:590px}
.airrex-card .photo{height:230px;background:#fff}
.airrex-card .photo img{width:100%;height:100%;object-fit:contain;object-position:center}
.airrex-lead{margin:15px 0 6px;color:var(--deep);font-size:12px!important;line-height:1.8!important}
.company{padding:38px 7vw;display:grid;grid-template-columns:160px 1fr;gap:4vw}
.company h2{font-size:22px;margin:5px 0 0}.company dl div{padding:11px 0;font-size:11px}
.contact{padding:65px 7vw;display:grid;grid-template-columns:minmax(260px,34%) minmax(0,1fr);gap:7vw;align-items:start}
.contact h2{font-size:clamp(27px,2.5vw,38px);line-height:1.65}.contact-intro p:last-child{max-width:360px;line-height:1.9}
.contact-form{width:100%;display:grid;grid-template-columns:1fr 1fr;gap:18px 16px}
.contact-form .field{display:flex;flex-direction:column;gap:8px;min-width:0;color:#fff;font-size:11px}
.contact-form .full{grid-column:1/-1}
.contact-form input,.contact-form textarea{display:block;width:100%;min-width:0;margin:0;border:1px solid rgba(255,255,255,.55);background:rgba(255,255,255,.09);color:#fff;padding:13px 14px;font:300 13px "Noto Sans JP",sans-serif;border-radius:2px;outline:none}
.contact-form textarea{min-height:135px;resize:vertical}
.contact-form input:focus,.contact-form textarea:focus{border-color:#fff;background:rgba(255,255,255,.14)}
.contact-form button{grid-column:1/-1;width:190px;margin:2px 0 0 auto;padding:15px 18px;border:1px solid rgba(255,255,255,.75);background:transparent;color:#fff;font:500 11px Montserrat,"Noto Sans JP",sans-serif;letter-spacing:.08em;cursor:pointer}
.contact-form button:hover{background:#fff;color:var(--deep)}
@media(max-width:1050px){.approach{grid-template-columns:48% 52%}.approach-copy h2{font-size:28px}}
@media(max-width:780px){.approach{grid-template-columns:1fr}.approach-copy{padding:58px 7vw}.approach-copy h2{font-size:29px;line-height:1.65}.airrex-card .photo{height:auto;aspect-ratio:16/10}.company{padding:42px 7vw;grid-template-columns:1fr;gap:16px}.contact{padding:58px 7vw;grid-template-columns:1fr;gap:34px}.contact-form{grid-template-columns:1fr;gap:15px}.contact-form .full,.contact-form button{grid-column:1}.contact-form button{width:100%;margin:4px 0 0}}


/* ===== COMPANY refinement ===== */
.company-title h2{
  font-family:Montserrat,"Noto Sans JP",sans-serif;
  font-size:18px;
  font-weight:400;
  letter-spacing:.08em;
  color:var(--deep);
  margin:8px 0 0;
}
.company dt{
  font-family:Montserrat,"Noto Sans JP",sans-serif;
  font-size:9px;
  letter-spacing:.12em;
  color:#8b8b8b;
}
.company dd{
  font-size:11px;
}