:root{--ink:#192940;--navy:#15263e;--navy2:#0d1b2e;--gold:#b79862;--gold2:#dcc69e;--paper:#f7f6f2;--white:#ffffff;--muted:#67717b;--line:#e3e3df;--ease:cubic-bezier(.22,1,.36,1)}
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth;scroll-padding-top:86px}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Helvetica Neue",Arial,"Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic",Meiryo,sans-serif;-webkit-font-smoothing:antialiased}
    a{color:inherit;text-decoration:none}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:#d8c5a4;color:#17263e}
    .container{width:min(1216px,calc(100% - 96px));margin-inline:auto}
    .overline{font:700 11px/1.5 Arial,sans-serif;letter-spacing:.24em;text-transform:uppercase;color:var(--gold)}
    .header{height:90px;position:relative;z-index:30;background:rgba(247,246,242,.97);border-bottom:1px solid rgba(30,45,65,.09)}
    .header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:26px}
    .brand{display:inline-flex;align-items:center;gap:11px;white-space:nowrap}
    .brand-icon{width:35px;height:35px;display:block}
    .brand-name{font-size:27px;font-weight:800;letter-spacing:-.085em;line-height:1}
    .brand-name span{color:var(--gold)}
    .navigation{display:flex;align-items:center;gap:36px}
    .nav-link{font-weight:700;font-size:12px;letter-spacing:.025em;position:relative;transition:color .2s}
    .nav-link:hover{color:#987847}
    .nav-link::after{content:"";position:absolute;bottom:-9px;left:0;width:0;height:1px;background:var(--gold);transition:width .25s}
    .nav-link:hover::after{width:100%}
    .nav-cta{display:flex;gap:19px;align-items:center;background:var(--navy);color:#fff;padding:15px 20px;border:1px solid var(--navy);font-size:12px;font-weight:700;transition:background .25s,transform .25s}
    .nav-cta:hover{background:#274464;transform:translateY(-2px)}
    .arrow{display:inline-block;font-size:17px;font-weight:400;line-height:.8}
    .menu-toggle{display:none;background:transparent;border:1px solid var(--line);padding:9px;align-items:center;justify-content:center;color:var(--ink)}
    .menu-toggle svg{width:25px;height:25px}
    .hero{position:relative;overflow:hidden;background:var(--paper)}
    .hero::before{content:"";position:absolute;top:0;left:calc(50% + 30px);right:0;height:100%;background:var(--navy2)}
    .hero-grid{display:grid;grid-template-columns:52% 48%;min-height:677px}
    .hero-copy{position:relative;z-index:2;padding:94px 35px 74px 0;display:flex;flex-direction:column;align-items:flex-start}
    .hero-kicker{display:flex;align-items:center;gap:15px;margin-bottom:36px}
    .hero-kicker::before{content:"";width:32px;height:1px;background:var(--gold)}
    .hero h1{font-size:clamp(39px,4.35vw,66px);font-weight:650;line-height:1.58;letter-spacing:-.075em;margin:0;white-space:nowrap}
    .hero h1 em{font-style:normal;color:#a88850}
    .hero-body{max-width:450px;font-size:14px;line-height:2.25;color:#5c6570;margin:30px 0 34px}
    .hero-actions{display:flex;align-items:center;gap:25px;flex-wrap:wrap}
    .button-primary{min-height:55px;display:inline-flex;align-items:center;justify-content:center;gap:45px;background:var(--navy);border:1px solid var(--navy);color:#fff;padding:0 25px;font-size:13px;font-weight:700;transition:transform .25s var(--ease),background .25s}
    .button-primary:hover{transform:translateY(-3px);background:#28425e}
    .button-link{display:inline-flex;gap:14px;align-items:center;font-weight:700;font-size:12px;border-bottom:1px solid #b5bdc5;padding-bottom:9px;transition:color .2s}
    .button-link:hover{color:#a2834c}
    .hero-labels{margin-top:auto;padding-top:68px;display:flex;flex-wrap:wrap;column-gap:28px;row-gap:12px;color:#7c8691;font:700 10px Arial,sans-serif;letter-spacing:.14em}
    .hero-labels span{display:inline-flex;align-items:center;gap:8px}
    .hero-labels span::before{content:"";width:4px;height:4px;background:var(--gold);transform:rotate(45deg)}
    .hero-art{position:relative;min-width:0;display:flex;justify-content:center;align-items:center;padding:57px 0 48px 35px;color:#fff;isolation:isolate}
    .hero-art::before{content:"";position:absolute;inset:0 -50vw 0 0;background:radial-gradient(circle at 48% 39%,#263d58 0%,#14253b 49%,#0e1b2e 84%);z-index:-2}
    .hero-art::after{content:"";position:absolute;inset:16px -60px 0 0;opacity:.14;background-image:linear-gradient(#9bacc0 1px,transparent 1px),linear-gradient(90deg,#9bacc0 1px,transparent 1px);background-size:70px 70px;mask-image:linear-gradient(to right,transparent 0%,black 25%)}
    .orbit{position:absolute;border:1px solid rgba(202,177,135,.28);border-radius:50%;z-index:-1}
    .orbit-one{height:560px;width:560px;top:20px;left:21px;transform:rotate(-26deg) scaleX(.78)}
    .orbit-two{width:420px;height:420px;top:89px;left:90px;opacity:.6}
    .art-board{position:relative;width:min(520px,99%);height:480px;z-index:2}
    .art-eyebrow{position:absolute;right:0;top:0;text-align:right;color:rgba(240,239,232,.52);font:700 10px Arial,sans-serif;letter-spacing:.24em;line-height:2}
    .web-window{position:absolute;left:0;top:52px;width:88%;height:319px;background:#f9f8f5;box-shadow:0 27px 65px rgba(0,0,0,.32);transform:rotate(-3deg);overflow:hidden}
    .window-top{height:35px;display:flex;align-items:center;gap:5px;padding:0 14px;border-bottom:1px solid #deddda}
    .dot{width:6px;height:6px;border-radius:50%;background:#b7b9b7}.dot:first-child{background:#c7a271}
    .window-url{margin-left:auto;color:#9299a0;font:8px Arial,sans-serif;letter-spacing:.13em}
    .web-inner{padding:34px 31px;display:flex;height:calc(100% - 35px);align-items:center;gap:18px}
    .web-inner-content{flex:1;min-width:0}
    .web-mini-brand{font:800 17px Arial,sans-serif;letter-spacing:-.07em;color:var(--navy)}
    .web-mini-line{height:4px;width:53px;background:#c3ab85;margin-top:33px;margin-bottom:15px}
    .web-title{font-size:28px;line-height:1.24;letter-spacing:-.05em;color:#1e3147;font-family:Georgia,"Times New Roman",serif}
    .web-desc{font-size:8px;line-height:2;color:#84909b;letter-spacing:.04em;margin-top:12px}
    .web-mini-button{width:93px;background:#1c324b;color:#fff;font:7px Arial,sans-serif;padding:11px 10px;margin-top:18px;letter-spacing:.03em}
    .web-shape{width:37%;height:100%;background:linear-gradient(141deg,#e2dfd4,#b7a17d 48%,#4b6172);position:relative;overflow:hidden}
    .web-shape::before{content:"";position:absolute;width:170%;height:140%;border:1px solid rgba(255,255,255,.65);border-radius:50%;left:-65%;top:-10%;box-shadow:24px 5px 0 rgba(255,255,255,.08),50px 17px 0 rgba(255,255,255,.08)}
    .web-shape::after{content:"";position:absolute;top:0;left:45%;height:100%;width:1px;background:rgba(255,255,255,.45);transform:rotate(22deg)}
    .analytics-card{position:absolute;right:-6px;bottom:45px;width:58%;height:170px;border:1px solid rgba(255,255,255,.52);background:rgba(249,249,247,.96);box-shadow:0 20px 50px rgba(0,0,0,.25);padding:18px 20px;transform:rotate(4deg)}
    .analytics-head{display:flex;align-items:center;justify-content:space-between;font-size:9px;color:#253c53;font-weight:700}
    .analytics-chip{font-size:7px;color:#657481;border:1px solid #d5dadc;padding:3px 6px}
    .graph{height:92px;margin-top:12px;width:100%}
    .video-card{position:absolute;left:-30px;bottom:3px;width:40%;height:95px;background:#1e2d3c;transform:rotate(-6deg);box-shadow:0 16px 28px rgba(0,0,0,.28);border:1px solid #394b5a;padding:13px}
    .video-preview{height:37px;position:relative;overflow:hidden;background:linear-gradient(135deg,#9e8c73 4%,#455c69 50%,#182f48 90%)}
    .video-preview::before{content:"";position:absolute;border:1px solid rgba(255,255,255,.7);border-radius:50%;width:100px;height:100px;left:25%;top:-45px}
    .play-triangle{position:absolute;top:13px;left:49%;transform:translateX(-50%);width:0;height:0;border-left:10px solid rgba(255,255,255,.85);border-top:6px solid transparent;border-bottom:6px solid transparent}
    .track{display:flex;gap:3px;margin-top:9px}.track i{height:6px;background:#bda071;display:block}.track i:nth-child(1){width:22%}.track i:nth-child(2){width:30%;background:#668499}.track i:nth-child(3){width:19%}.track i:nth-child(4){width:27%;background:#668499}
    .vertical-caption{position:absolute;right:-7px;bottom:14px;writing-mode:vertical-rl;color:rgba(255,255,255,.56);font:10px Arial,sans-serif;letter-spacing:.28em}
    .intro{padding:95px 0 87px;background:#fff}
    .intro-inner{display:grid;grid-template-columns:.85fr 1.15fr;column-gap:95px;align-items:start}
    .section-line{display:flex;align-items:center;gap:14px}.section-line::after{content:"";display:block;width:38px;height:1px;background:#cbb58e}
    .intro h2{font-size:clamp(26px,3.2vw,40px);line-height:1.75;letter-spacing:-.055em;font-weight:650;margin:0}
    .intro h2 span{color:#a88b58}
    .intro-text{font-size:14px;color:#616c76;line-height:2.4;padding-top:35px;margin:0}
    .section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:25px;margin-bottom:39px}
    .section-title{font-family:Georgia,"Times New Roman",serif;font-size:clamp(42px,5vw,68px);font-weight:400;letter-spacing:-.055em;line-height:1.1;margin:13px 0 0}
    .section-lead{font-size:13px;color:#737c84;line-height:2;margin:0 0 2px}
    .services{padding:109px 0 118px}
    .service-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
    .service-card{background:#fff;border:1px solid #e6e6e3;transition:transform .32s var(--ease),box-shadow .32s var(--ease)}
    .service-card:hover{transform:translateY(-8px);box-shadow:0 19px 42px rgba(18,37,58,.08)}
    .service-visual{height:234px;position:relative;overflow:hidden;display:flex;justify-content:center;align-items:center}
    .service-visual.web{background:#e9e6e0}.service-visual.system{background:#182c44}.service-visual.video{background:#d7c9b4}
    .service-visual::after{content:"";position:absolute;inset:0;opacity:.2;background-image:linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);background-size:38px}
    .service-screen{width:66%;height:146px;background:#fff;box-shadow:14px 20px 30px rgba(0,0,0,.16);transform:rotate(-5deg);overflow:hidden;position:relative;z-index:1;padding:12px}
    .ss-nav{height:8px;display:flex;justify-content:space-between;border-bottom:1px solid #ebebeb}.ss-logo{width:30px;height:4px;background:#1f344e}.ss-menu{width:56px;height:3px;background:#c1c4c5}
    .ss-content{display:flex;align-items:center;gap:10px;height:110px}.ss-left{flex:1}.ss-left b{display:block;height:5px;background:#1f354a;margin:0 0 8px;width:85%}.ss-left b:nth-child(2){width:64%}.ss-left i{display:block;width:50%;height:4px;background:#b69b6f;margin-top:20px}.ss-image{height:91px;width:42%;background:linear-gradient(153deg,#c8ae85,#556f7f)}
    .system-diagram{z-index:1;width:74%;height:160px;background:#203851;border:1px solid #526276;transform:rotate(5deg);box-shadow:15px 18px 30px rgba(0,0,0,.25);padding:15px;position:relative}
    .sys-head{display:flex;gap:5px}.sys-head i{display:block;width:5px;height:5px;border-radius:50%;background:#c4a676}.sys-line{height:1px;background:#4f6173;margin:11px 0}
    .sys-body{display:flex;gap:12px}.sys-rail{width:28%;display:flex;flex-direction:column;gap:9px}.sys-rail i{height:5px;background:#586c7e}.sys-chart{flex:1;display:flex;align-items:end;gap:8px;height:77px;border-bottom:1px solid #627286}.sys-chart i{display:block;flex:1;background:#b79b6d}.sys-chart i:nth-child(1){height:33%}.sys-chart i:nth-child(2){height:58%;background:#607c8d}.sys-chart i:nth-child(3){height:43%}.sys-chart i:nth-child(4){height:80%;background:#607c8d}.sys-chart i:nth-child(5){height:62%}.sys-chart i:nth-child(6){height:95%}
    .film-panel{position:relative;z-index:1;width:76%;height:166px;padding:12px;background:#15283f;box-shadow:15px 18px 35px rgba(25,35,47,.26);transform:rotate(-4deg)}
    .film-preview{height:92px;background:linear-gradient(120deg,#657a86,#b4a084 52%,#263d50);position:relative;overflow:hidden}.film-preview::after{content:"";border:2px solid rgba(255,255,255,.45);width:130px;height:130px;border-radius:50%;position:absolute;left:24%;top:-52px}
    .film-play{position:absolute;left:49%;top:45%;z-index:2;color:#fff;font-size:23px}.film-track{display:flex;gap:5px;margin-top:17px}.film-track i{height:6px;display:block;background:#bea173}.film-track i:nth-child(1){width:18%}.film-track i:nth-child(2){width:32%;background:#668296}.film-track i:nth-child(3){width:22%}.film-track i:nth-child(4){width:26%;background:#668296}
    .service-text{padding:27px 27px 33px}
    .service-number{font:700 10px Arial,sans-serif;color:#ac936b;letter-spacing:.18em}
    .service-text h3{font:400 29px Georgia,"Times New Roman",serif;letter-spacing:-.03em;margin:11px 0 4px}
    .service-jp{color:#5f6d7b;font-size:12px;font-weight:750;margin:0 0 18px}
    .service-desc{color:#6e7781;font-size:12px;line-height:2.08;margin:0 0 23px;min-height:76px}
    .service-tags{display:flex;gap:7px;flex-wrap:wrap}.service-tags span{display:inline-block;padding:7px 8px;border:1px solid #e2e4e3;font-size:10px;color:#677480}
    .strength{background:#15273e;color:#fff;position:relative;overflow:hidden}
    .strength::before{content:"OF";position:absolute;right:-100px;top:-95px;font:400 520px/1 Georgia,serif;letter-spacing:-.2em;color:rgba(255,255,255,.025);pointer-events:none}
    .strength-inner{display:grid;grid-template-columns:45% 55%;align-items:center;min-height:470px;padding-block:85px}
    .strength h2{font-size:clamp(27px,3.15vw,43px);line-height:1.7;letter-spacing:-.06em;font-weight:600;margin:25px 0 22px}
    .strength h2 em{font-style:normal;color:#d5b788}
    .strength p{line-height:2.2;font-size:13px;color:#bbc4d0;max-width:450px}
    .strength-items{display:grid;gap:0;padding-left:78px}
    .strength-row{display:grid;grid-template-columns:60px 1fr;gap:14px;padding:24px 0;border-bottom:1px solid #405168}
    .strength-row:first-child{border-top:1px solid #405168}
    .strength-num{font:400 28px Georgia,serif;color:#bba477}
    .strength-row h3{font-size:16px;font-weight:650;margin:0 0 9px}
    .strength-row p{margin:0;font-size:12px;color:#aebaca;line-height:1.85}
    .process{padding:108px 0 114px;background:#fff}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:55px}
    .step{position:relative;padding:25px 24px 0 0;border-top:1px solid #dedfda}
    .step::before{content:"";position:absolute;top:-4px;left:0;background:var(--gold);height:7px;width:7px;border-radius:50%}
    .step::after{content:"";position:absolute;top:-4px;right:5px;border-left:6px solid #a6afb4;border-top:4px solid transparent;border-bottom:4px solid transparent}
    .step:last-child::after{display:none}
    .step-id{color:#b59a6f;font:400 35px Georgia,serif}
    .step h3{font-size:16px;font-weight:650;letter-spacing:-.015em;margin:20px 0 11px}
    .step p{font-size:12px;color:#717b84;line-height:2;margin:0;max-width:222px}
    .contact{padding:95px 0 98px;background:#eeeae3}
    .contact-panel{display:grid;grid-template-columns:1.1fr .9fr;background:#f9f8f5;box-shadow:0 20px 65px rgba(34,46,52,.055);border:1px solid #e0ded8}
    .contact-info{padding:57px 56px 58px}
    .contact-info h2{font-size:clamp(30px,3vw,44px);letter-spacing:-.06em;font-weight:650;line-height:1.6;margin:19px 0 14px}
    .contact-info p{font-size:13px;line-height:2.2;color:#65717b;max-width:390px}
    .contact-decoration{margin-top:58px;color:#b5a181;font:400 51px Georgia,serif;letter-spacing:-.035em}
    .contact-box{padding:49px 45px;background:var(--navy);color:#fff}
    .contact-box h3{font-size:21px;margin:0 0 10px;font-weight:600}
    .contact-box p{font-size:12px;line-height:2;color:#b8c5d1;margin:0 0 25px}
    .input-row{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
    .input-row label{font-size:11px;font-weight:700;color:#d1d9df}.input-row input,.input-row textarea{width:100%;border:1px solid #4c5e71;padding:12px 13px;background:#1e334b;color:#fff;font-size:13px;outline:none;border-radius:0}
    .input-row textarea{resize:vertical;min-height:84px}
    .input-row input:focus,.input-row textarea:focus{border-color:#c7a777}
    .input-row input::placeholder,.input-row textarea::placeholder{color:#8494a4}
    .contact-submit{width:100%;border:1px solid #c1a271;background:#c1a271;color:#172538;font-weight:700;font-size:12px;min-height:48px;transition:background .2s}.contact-submit:hover{background:#e0c391}
    .demo-note{font-size:10px!important;color:#b8c5d1!important;line-height:1.85!important;margin:14px 0 0!important}
    .form-message{font-size:11px;color:#e8c89b;line-height:1.7;margin-top:14px;display:none}
    .footer{background:#101f32;color:#ecf0f4;padding:47px 0 32px}
    .footer-main{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;padding-bottom:34px}
    .footer .brand-icon{width:29px;height:29px}.footer .brand-name{font-size:23px;color:#fff}.footer .footer-tag{font-size:11px;color:#899aaa;line-height:1.8;margin-top:15px}
    .footer-nav{display:flex;gap:29px;font-size:11px;color:#bbc6cf;flex-wrap:wrap;padding-top:8px}
    .footer-nav a:hover{color:#e2c597}
    .footer-bottom{display:flex;justify-content:space-between;gap:10px;border-top:1px solid #2c3e52;padding-top:24px;color:#8090a0;font-size:10px;letter-spacing:.04em}
    .footer-bottom a{text-decoration:underline;text-underline-offset:3px}
    @media (max-width:1040px){.container{width:min(100% - 64px,1216px)}.hero h1{font-size:clamp(36px,4.5vw,54px)}.hero-grid{min-height:635px}.hero-copy{padding-top:81px}.web-window{width:91%}.art-board{height:420px}.web-window{height:288px}.analytics-card{bottom:38px}.strength-items{padding-left:45px}.contact-info{padding:43px}.contact-box{padding:40px}.service-text{padding:22px}.service-desc{min-height:100px}}
    @media (max-width:760px){html{scroll-padding-top:68px}.container{width:calc(100% - 40px)}.header{height:70px}.header .brand-name{font-size:25px}.header .brand-icon{width:31px;height:31px}.menu-toggle{display:flex}.navigation{display:none;position:absolute;top:70px;left:0;right:0;background:#fbfaf8;padding:22px 20px 25px;box-shadow:0 15px 26px rgba(0,0,0,.09);flex-direction:column;align-items:stretch;gap:23px}.navigation.is-open{display:flex}.nav-link{font-size:14px}.nav-cta{justify-content:space-between}.hero::before{display:none}.hero-grid{display:flex;flex-direction:column;min-height:0}.hero-copy{padding:65px 0 50px}.hero-kicker{margin-bottom:24px}.hero h1{font-size:clamp(35px,8.5vw,53px);line-height:1.55}.hero-body{font-size:13px;line-height:2.05;margin-top:22px}.hero-labels{padding-top:48px;gap:15px}.hero-art{height:420px;padding:17px 0 20px}.hero-art::before{inset:0 -20px}.art-board{width:min(470px,90%);height:365px}.web-window{top:34px;width:85%;height:260px}.web-inner{padding:17px}.web-title{font-size:23px}.analytics-card{height:126px;bottom:34px;padding:11px}.graph{height:70px}.video-card{bottom:0;left:-15px;width:38%;height:85px}.orbit-one{width:420px;height:420px;top:0;left:12px}.orbit-two{height:280px;width:280px;top:65px;left:75px}.intro{padding:72px 0}.intro-inner{grid-template-columns:1fr;gap:18px}.intro h2{font-size:30px}.intro-text{padding:0}.services{padding:74px 0}.section-head{align-items:flex-start;flex-direction:column;gap:13px}.section-title{font-size:54px}.service-grid{grid-template-columns:1fr;gap:18px}.service-visual{height:220px}.service-desc{min-height:0}.service-text{padding:26px}.strength-inner{grid-template-columns:1fr;gap:27px;padding-block:72px}.strength-items{padding-left:0}.strength-row{padding:19px 0}.strength::before{font-size:350px;top:60px}.process{padding:76px 0}.steps{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:35px;margin-top:34px}.step{padding-right:14px}.step:nth-child(2)::after{display:none}.contact{padding:67px 0}.contact-panel{grid-template-columns:1fr}.contact-info{padding:36px 26px}.contact-decoration{display:none}.contact-info h2{font-size:31px}.contact-box{padding:35px 26px}.footer-main{flex-direction:column}.footer-nav{gap:18px}.footer-bottom{flex-direction:column}}
    @media (max-width:410px){.hero h1{font-size:34px}.hero-actions{gap:19px}.hero-art{height:356px}.art-board{height:313px}.web-window{height:228px}.web-title{font-size:19px}.web-mini-line{margin-top:12px}.analytics-card{bottom:24px;width:58%;height:116px}.video-card{bottom:-4px}.graph{height:61px}.step h3{font-size:14px}.step p{font-size:11px}}
    @media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}

/* Additional oilflat multi-page design system */
.header{position:sticky;top:0;z-index:100;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
.navigation{gap:clamp(13px,2vw,30px)}
.nav-link[aria-current="page"]{color:#a17e47}
.nav-link[aria-current="page"]::after{width:100%}
.nav-cta{white-space:nowrap}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--gold);outline-offset:4px}
.button-primary.light{background:#c3a574;color:#122239;border-color:#c3a574}
.button-primary.light:hover{background:#e0c79d}
.crumbs{display:flex;align-items:center;gap:9px;color:#a7b6c8;font-size:11px;line-height:1.5;margin-bottom:26px;flex-wrap:wrap}
.crumbs a{color:#e5eaf0;text-decoration:underline;text-underline-offset:3px}
.page-hero{position:relative;overflow:hidden;background:linear-gradient(125deg,#0e1d31 4%,#19334f 65%,#10213a);color:#fff;min-height:320px}
.page-hero::before{content:"";position:absolute;top:-360px;right:-130px;width:900px;height:900px;border:1px solid rgba(194,161,110,.22);border-radius:50%;box-shadow:0 0 0 105px rgba(255,255,255,.014),0 0 0 210px rgba(255,255,255,.009)}
.page-hero::after{content:"";position:absolute;right:0;top:0;width:45%;height:100%;opacity:.13;background-image:linear-gradient(#8497af 1px,transparent 1px),linear-gradient(90deg,#8497af 1px,transparent 1px);background-size:64px 64px;mask-image:linear-gradient(to left,black,transparent)}
.page-hero-inner{position:relative;z-index:2;padding:57px 0 77px;max-width:840px}
.page-hero .overline{color:#d4b88c}
.page-hero h1{font-size:clamp(35px,4.6vw,59px);line-height:1.43;letter-spacing:-.065em;margin:18px 0 20px;font-weight:600}
.page-hero .page-lead{font-size:14px;line-height:2.25;color:#c3ccd7;max-width:720px;margin:0}
.page-hero .hero-eng{font:italic 400 clamp(35px,7vw,100px)/1 Georgia,serif;color:rgba(255,255,255,.075);position:absolute;right:-15px;bottom:10px;white-space:nowrap;pointer-events:none}
.subsection{padding:96px 0}
.subsection.white{background:#fff}
.subsection.warm{background:#f1efe9}
.subsection.soft{background:var(--paper)}
.section-heading{margin-bottom:40px;max-width:850px}
.section-heading .eyebrow{font-size:11px;letter-spacing:.24em;color:#a68a5b;text-transform:uppercase;font-weight:700}
.section-heading h2{font-size:clamp(30px,3.6vw,47px);line-height:1.4;letter-spacing:-.055em;margin:13px 0 15px;font-weight:600}
.section-heading p{margin:0;color:#64717e;line-height:2.15;font-size:14px}
.breadcrumb-chip{display:inline-flex;padding:6px 12px;border:1px solid #d8cfbe;border-radius:99px;font-size:11px;color:#806e52}
.prose-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:65px;align-items:start}
.large-statement{font-size:clamp(28px,3.1vw,43px);letter-spacing:-.055em;line-height:1.75;margin:5px 0 14px;font-weight:600}
.large-statement em{font-style:normal;color:#a5895c}
.prose{font-size:14px;line-height:2.35;color:#63707d;margin:0 0 18px}
.value-grid,.sample-grid,.delivery-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.value-card,.sample-card{padding:34px 30px;background:#fff;border:1px solid #e3e1dc;min-height:215px}
.value-card .num,.sample-card .num{font:400 35px Georgia,serif;color:#b39c73}
.value-card h3,.sample-card h3{font-size:19px;margin:24px 0 12px;letter-spacing:-.03em}
.value-card p,.sample-card p{font-size:13px;line-height:2.05;color:#6a7781;margin:0}
.service-feature{display:grid;grid-template-columns:46% 1fr;gap:55px;align-items:center;padding:45px 0;border-bottom:1px solid #dedcd5}
.service-feature:first-of-type{border-top:1px solid #dedcd5}
.service-feature:nth-child(even){grid-template-columns:1fr 46%}
.service-feature:nth-child(even) .feature-visual{order:2}
.feature-visual{min-height:320px;display:grid;place-items:center;overflow:hidden}
.feature-visual.web{background:#e7e1d7}.feature-visual.system{background:#15263e}.feature-visual.video{background:#d8c9b2}
.feature-visual .service-visual{width:100%;height:320px}
.feature-text .overline{letter-spacing:.2em}
.feature-text h3{font:400 36px/1.25 Georgia,serif;margin:13px 0 8px}
.feature-text .feature-jp{font-size:20px;font-weight:600;margin:0 0 20px}
.feature-text p{font-size:13px;color:#687580;line-height:2.2;margin:0 0 18px}
.feature-text ul{padding-left:21px;color:#455666;line-height:2;font-size:13px;margin:0 0 21px}
.feature-text .button-link{font-size:13px}
.price-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;align-items:stretch}
.price-card{position:relative;background:#fff;border:1px solid #e0e0da;padding:32px 28px 26px;display:flex;flex-direction:column;min-height:440px}
.price-card.featured{border:2px solid #b59763;padding:31px 27px 25px;box-shadow:0 20px 37px rgba(26,43,60,.08)}
.price-card .flag{position:absolute;right:0;top:0;color:#fff;background:#a88b5b;font-size:10px;font-weight:700;letter-spacing:.1em;padding:7px 13px}
.price-card .tier{font-size:11px;letter-spacing:.18em;color:#a18860;font-weight:700;margin-bottom:10px}
.price-card h3{font-size:20px;font-weight:700;letter-spacing:-.04em;margin:0 0 13px}
.price-card .price-line{display:flex;align-items:baseline;gap:5px;white-space:nowrap;flex-wrap:wrap}
.price-card .price-line strong{font:400 clamp(30px,3vw,41px)/1.2 Georgia,"Times New Roman",serif;letter-spacing:-.035em;color:var(--navy)}
.price-card .price-line span{font-size:11px;color:#64717c}
.price-card .tax{font-size:10px;color:#8a929b;margin:7px 0 15px}
.price-card .price-desc{font-size:12px;color:#697680;line-height:1.9;min-height:48px;margin:0 0 21px}
.price-card .includes{padding:17px 0 0;margin:0 0 25px;border-top:1px solid #eae7df;list-style:none;flex:1}
.price-card .includes li{font-size:12px;color:#485867;padding:0 0 11px 21px;position:relative;line-height:1.7}
.price-card .includes li::before{content:"✓";position:absolute;left:0;top:0;color:#a18350;font-weight:700}
.price-card .price-btn{display:flex;align-items:center;justify-content:space-between;background:#162a42;color:#fff;padding:14px 15px;font-size:12px;font-weight:700;gap:10px;transition:background .2s}
.price-card .price-btn:hover{background:#315173}
.price-intro{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:22px}
.price-intro h2{font-size:27px;line-height:1.45;margin:8px 0 0;letter-spacing:-.055em}
.price-intro a{font-size:12px;color:#886c40;border-bottom:1px solid #b7a27c;padding-bottom:8px;white-space:nowrap}
.price-disclaimer{font-size:12px;color:#566777;line-height:1.9;padding:16px 19px;background:#f5f0e7;border-left:3px solid #b79b6e;margin:28px 0 0}
.price-disclaimer strong{color:#423b30}
.price-mini-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.mini-price{border:1px solid #e2dfd8;background:#fff;padding:29px 27px;display:flex;flex-direction:column;gap:10px}
.mini-price .eyebrow{font-size:10px;color:#ae9366;letter-spacing:.15em;font-weight:700}
.mini-price h3{font-size:19px;margin:0}
.mini-price .mini-value{font:400 32px Georgia,serif;letter-spacing:-.035em;color:#172a42}
.mini-price .mini-value small{font:500 11px Arial,sans-serif;color:#6f7a83;letter-spacing:0}
.mini-price p{font-size:12px;color:#667480;line-height:2;margin:0 0 7px;flex:1}
.mini-price a{font-size:12px;font-weight:700;border-bottom:1px solid #c9b899;align-self:flex-start;padding-bottom:6px}
.detail-intro{display:grid;grid-template-columns:1fr .85fr;gap:60px;align-items:center}
.detail-note{border:1px solid #dcd8d0;background:#fff;padding:35px 36px}
.detail-note h3{font-size:15px;margin:0 0 15px;letter-spacing:-.02em}
.check-list{list-style:none;padding:0;margin:0}
.check-list li{position:relative;padding:11px 0 11px 27px;border-bottom:1px solid #efede8;font-size:13px;color:#50606e;line-height:1.85}
.check-list li::before{content:"✓";position:absolute;left:0;top:11px;color:#b39769;font-weight:800}
.deliver-card{background:#fff;border:1px solid #e2e0da;padding:30px 28px}
.deliver-card h3{font-size:16px;margin:0 0 12px}
.deliver-card p{font-size:13px;color:#65717b;line-height:2;margin:0}
.note-box{background:#f4f0e8;padding:27px 33px;border-left:3px solid #ae9061}
.note-box h3{font-size:17px;margin:0 0 11px}
.note-box p,.note-box li{font-size:13px;line-height:2.1;color:#5c6975}
.note-box ul{margin:0;padding-left:19px}
.qa-list{border-top:1px solid #e2dfd7}
.qa-list details{border-bottom:1px solid #e2dfd7;padding:0}
.qa-list summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:15px;font-size:15px;font-weight:700;padding:24px 0}
.qa-list summary::-webkit-details-marker{display:none}
.qa-list summary::after{content:"+";color:#9d8052;font-size:25px;line-height:1;font-weight:400}
.qa-list details[open] summary::after{content:"−"}
.qa-list details p{font-size:13px;line-height:2.2;color:#65717d;padding:0 36px 24px 0;margin:0}
.cta-band{padding:70px 0;background:#14273f;color:#fff;position:relative;overflow:hidden}
.cta-band::after{content:"oilflat.";position:absolute;right:-35px;bottom:-64px;font:400 175px Georgia,serif;color:rgba(255,255,255,.032);pointer-events:none}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:42px;position:relative;z-index:2}
.cta-inner h2{font-size:clamp(24px,2.7vw,37px);letter-spacing:-.06em;line-height:1.55;margin:9px 0 9px}
.cta-inner p{font-size:13px;line-height:2;color:#bac4cd;margin:0}
.profile-table{border-top:1px solid #d9d7d1}
.profile-row{display:grid;grid-template-columns:230px 1fr;gap:35px;padding:21px 9px;border-bottom:1px solid #d9d7d1;align-items:start;font-size:14px;line-height:2}
.profile-row dt{font-weight:700;color:#26384b}.profile-row dd{margin:0;color:#5b6a77}
.muted-place{font-size:12px;color:#8b7a62;border:1px dashed #cbbb9e;padding:5px 10px;display:inline-block}
.process-list{border-top:1px solid #dcdad4}
.process-row{display:grid;grid-template-columns:120px 1fr .95fr;gap:34px;padding:32px 0;border-bottom:1px solid #dcdad4;align-items:start}
.process-no{font:400 48px/1 Georgia,serif;color:#b39a6f}
.process-row h3{font-size:20px;margin:3px 0 13px}
.process-row p,.process-row ul{color:#6d7882;font-size:13px;line-height:2.1;margin:0}
.process-row ul{padding-left:19px}
.contact-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:32px;align-items:start}
.contact-aside{background:#1a3049;color:#fff;padding:37px 33px}
.contact-aside h2{font-size:23px;margin:7px 0 20px}
.contact-aside p{font-size:13px;color:#c4ced7;line-height:2.1;margin:0 0 22px}
.contact-aside ul{padding-left:18px;font-size:13px;color:#d7e0e6;line-height:2.3}
.form-panel{background:#fff;border:1px solid #e1ded6;padding:38px}
.form-panel .input-row{margin-bottom:22px}
.form-panel .input-row label{color:#27394c;font-size:13px}
.form-panel .input-row input,.form-panel .input-row select,.form-panel .input-row textarea{width:100%;padding:15px 16px;background:#faf9f6;color:#15273e;border:1px solid #d8d8d3;outline:none;font-size:14px;border-radius:0}
.form-panel .input-row input::placeholder,.form-panel .input-row textarea::placeholder{color:#97a0a6}
.form-panel .input-row select:focus,.form-panel .input-row input:focus,.form-panel .input-row textarea:focus{border-color:#9a7b4a}
.form-panel .input-row textarea{min-height:170px}
.form-panel .demo-note{color:#6e7881!important;font-size:12px!important}
.form-panel .form-message{color:#8c6536!important;font-size:13px!important}
.form-panel .contact-submit{background:var(--navy);border-color:var(--navy);color:#fff}
.form-panel .contact-submit:hover{background:#325273}
.notices{background:#f5ead8;padding:18px 23px;border-left:4px solid #b99764;font-size:13px;line-height:2;color:#62523f}
.tab-links{display:flex;flex-wrap:wrap;gap:10px;margin:28px 0 0}
.tab-links a{padding:10px 17px;border:1px solid #ccbd9e;font-size:12px;color:#695435;background:#fff;transition:background .2s}
.tab-links a:hover{background:#f3ebdb}
.grid-two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
.top-link{display:inline-flex;gap:9px;align-items:center;font-size:12px;color:#8b6a3d;letter-spacing:.04em}
.home-price{padding:102px 0;background:#fff}
.home-price .section-head{margin-bottom:32px}
.home-about-more{display:inline-flex;border-bottom:1px solid #bba57d;font-size:12px;font-weight:700;padding-bottom:8px;margin-top:14px}
.card-bottom-link{display:flex;gap:7px;align-items:center;font-size:12px;font-weight:700;color:#a07f4f;margin-top:21px;padding-top:16px;border-top:1px solid #e8e7e2}
.site-footer-note{max-width:680px}

/* AI service extension */
.service-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.service-visual.ai,.feature-visual.ai{background:linear-gradient(130deg,#e6e0d5 0%,#d2c6b3 100%)}
.ai-diagram{position:relative;z-index:1;width:min(78%,370px);transform:rotate(-4deg);filter:drop-shadow(12px 18px 16px rgba(24,41,61,.2))}
.ai-diagram svg{width:100%;height:auto;display:block}
.ai-diagram .ai-chip-text{font:500 30px Georgia,serif;letter-spacing:-.04em;fill:#fff}
.ai-diagram .ai-caption{font:700 8px Arial,sans-serif;letter-spacing:1.8px;fill:#d4b883}
.price-mini-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
.price-mini-grid .mini-price{padding:24px 19px}
.price-mini-grid .mini-price .mini-value{font-size:clamp(23px,2.15vw,31px)}
.sample-grid.four-services{grid-template-columns:repeat(2,minmax(0,1fr))}
.ai-callout{display:flex;gap:18px;align-items:flex-start;margin-top:30px;background:#fff9ed;border-left:3px solid #b59763;padding:18px 23px}
.ai-callout strong{color:#52412d}
.ai-callout p{font-size:12px;line-height:1.9;color:#64717c;margin:4px 0 0}
@media(max-width:1100px){.price-mini-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.service-grid,.price-mini-grid,.sample-grid.four-services{grid-template-columns:1fr}.service-visual.ai .ai-diagram{width:min(78%,315px)}}
@media(max-width:1120px){.navigation{gap:14px}.nav-link{font-size:11px}.nav-cta{padding:13px 14px}}
@media(max-width:960px){.price-grid{gap:12px}.price-card{padding:26px 17px}.price-card.featured{padding:25px 16px}.price-card .price-line strong{font-size:31px}.prose-grid{gap:30px}.service-feature{gap:30px}}
@media(max-width:760px){.page-hero-inner{padding:39px 0 59px}.page-hero h1{font-size:36px}.page-hero .hero-eng{display:none}.page-hero .page-lead{font-size:13px}.subsection{padding:68px 0}.section-heading{margin-bottom:29px}.section-heading h2{font-size:32px}.prose-grid,.detail-intro,.service-feature,.service-feature:nth-child(even),.contact-layout,.grid-two{grid-template-columns:1fr}.value-grid,.sample-grid,.delivery-grid,.price-grid,.price-mini-grid{grid-template-columns:1fr}.value-card,.sample-card{min-height:0;padding:25px}.feature-visual{min-height:220px}.feature-visual .service-visual{height:250px}.service-feature:nth-child(even) .feature-visual{order:0}.service-feature{padding:35px 0;gap:22px}.feature-text h3{font-size:31px}.price-card{min-height:0;padding:29px 24px}.price-card.featured{padding:28px 23px}.price-card .price-line strong{font-size:39px}.price-card .price-desc{min-height:0}.price-intro{display:block}.price-intro a{display:inline-block;margin-top:12px}.profile-row{grid-template-columns:1fr;gap:5px;padding:14px 5px}.process-row{grid-template-columns:60px 1fr;gap:15px}.process-row ul{grid-column:2}.process-no{font-size:39px}.form-panel{padding:24px 21px}.cta-inner{flex-direction:column;align-items:flex-start}.contact-aside{padding:27px}.home-price{padding:76px 0}.mini-price{padding:25px}}
@media(max-width:410px){.page-hero h1{font-size:31px}.service-feature .feature-visual .service-visual{height:210px}.price-card .price-line strong{font-size:34px}.tab-links a{font-size:11px;padding:9px 11px}}