*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:#000;color:#fff;font-family:Arial,'Yu Gothic',Meiryo,sans-serif;font-size:16px;line-height:1.9}a{color:inherit;text-decoration:none}a:hover{text-decoration:none}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #36d3be;outline-offset:6px}.skip{position:fixed;top:-100px;left:15px;background:#fff;color:#000;z-index:99;padding:10px}.skip:focus{top:10px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.header{position:fixed;inset:0 0 auto;z-index:10;height:132px;display:flex;align-items:center;justify-content:space-between;padding:25px 3%;gap:30px;transition:background .25s}.header.scrolled{background:#000e}.brand{display:flex;align-items:center;gap:12px;font-size:36px;font-weight:400;line-height:1;letter-spacing:2px;white-space:nowrap}.brand svg{width:38px;height:43px}.kanji{font-size:30px;margin-left:4px}.header nav{display:flex;gap:38px;align-items:center;font-size:15px;font-weight:700;letter-spacing:.04em}.header nav a{padding:12px 0}.header nav a:hover{color:#36d3be}.menu-toggle{display:none}.hero{height:100svh;min-height:600px;position:relative;overflow:hidden}.hero>img{position:absolute;width:100%;height:100%;object-fit:cover;object-position:center}.hero:after{position:absolute;content:'';inset:0;background:linear-gradient(#0005,#0001 45%,#0006);pointer-events:none}.hero-caption{position:absolute;bottom:22px;left:3%;font-size:11px;letter-spacing:.1em;z-index:1;color:#fff9}.scroll{position:absolute;bottom:22px;right:4%;z-index:1;font-size:11px;letter-spacing:.18em;text-align:center}.scroll span{display:block;font-size:23px}.section{padding:105px 0 65px}.wrap{width:86%;max-width:1200px;margin:auto}.gray{background:#262626}h2{font-size:64px;line-height:1.2;color:#aaa;font-weight:400;margin:0 0 10px;letter-spacing:-1px}.subtitle{font-size:19px;font-weight:700;color:#aaa;margin:0 0 25px;line-height:1.5}h3{font-size:24px;font-weight:500;line-height:1.7;margin:5px 0 25px}.copy{font-weight:600;line-height:1.95}.copy p{margin:0 0 16px}.product-layout{display:grid;grid-template-columns:1.9fr 1fr;gap:7%;align-items:start}.product-logo{aspect-ratio:1;background:#fff;color:#080808;display:flex;align-items:center;justify-content:center;position:relative;margin-top:-48px;padding:20px;min-width:0;gap:3px}.product-logo svg{width:60px;flex-shrink:0}.product-logo strong{font-size:clamp(24px,3vw,46px);font-weight:900;letter-spacing:-2px;white-space:nowrap}.product-logo strong span{font-size:.8em}.product-logo small{position:absolute;top:62%;font-size:9px;letter-spacing:3px}.outline-button{display:inline-block;border:1px solid #ddd;min-width:195px;padding:10px 28px;text-align:center;margin-top:33px;font-size:16px;font-weight:700;transition:background .2s,color .2s}.outline-button:hover{background:white;color:black}.service-layout{display:grid;grid-template-columns:1fr 1.8fr;gap:6%;align-items:center}.service-graphic{display:flex;justify-content:center;padding:50px 25px;gap:0}.service-step{width:33.33%;display:flex;align-items:center;flex-direction:column;text-align:center;gap:35px;font-size:14px;color:#ddd}.service-step>span{line-height:1.4;margin-bottom:14px}.service-step strong{font-weight:400;margin-top:15px}.diamond{width:clamp(90px,11vw,165px);height:clamp(90px,11vw,165px);border:6px solid #fff;transform:rotate(45deg);display:grid;place-items:center}.diamond svg{width:65%;height:65%;stroke:#fff;stroke-width:2;fill:none;transform:rotate(-45deg)}.news{padding-bottom:90px}.news-item{border-block:1px solid #aaa}.news-item summary{list-style:none;padding:25px 0;display:flex;align-items:center;gap:45px;cursor:pointer}.news-item summary::-webkit-details-marker{display:none}.news-item summary>span{font-size:14px;min-width:95px}.news-item strong{font-size:16px}.news-item b{margin-left:auto;font-size:22px;font-weight:400}.news-item[open] b{transform:rotate(45deg)}.news-item>p{margin:0 0 25px;padding-left:140px;color:#ddd}.company-layout{display:grid;grid-template-columns:1fr 1fr;gap:5%;align-items:center}.company-layout dl{margin:0}.company-layout dl>div{display:grid;grid-template-columns:110px 1fr;gap:20px;padding:17px 0;font-weight:600}.company-layout dt{text-align:center}.company-layout dd{margin:0}.company-layout dd a:hover{text-decoration:underline}.company-panel{min-height:315px;position:relative;border:1px solid #666;background:#1c1c1c;display:flex;flex-direction:column;align-items:center;justify-content:center;overflow:hidden}.company-label{font-size:36px;letter-spacing:5px;z-index:1}.company-panel p{margin:10px 0 0;z-index:1}.company-panel small{font-size:14px;color:#bbb;z-index:1}.building-art{position:absolute;bottom:-25px;inset-inline:0;display:flex;gap:16px;align-items:flex-end;opacity:.14;transform:skewY(-9deg)}.building-art i{display:block;width:22%;height:150px;border:1px solid white;background:repeating-linear-gradient(0deg,transparent 0 19px,#ddd 20px 21px)}.building-art i:nth-child(2n){height:240px}.building-art i:nth-child(3){height:310px}.contact{padding-bottom:90px}.contact h3{margin-top:24px}.contact p:not(.subtitle){margin:15px 0}.phone{font-size:27px;border-bottom:1px solid #aaa;font-variant-numeric:tabular-nums}footer{padding:25px 7%;background:#171717;text-align:center;font-size:12px;color:#ccc}footer p{margin:0}footer small{font-size:11px;color:#999}.back-top{position:fixed;bottom:0;right:0;width:50px;height:50px;background:white;color:#111;z-index:9;display:grid;place-items:center;font-size:28px}.menu-toggle{color:white;background:transparent;border:0;font:inherit}.menu-toggle span{margin-left:10px}@media(max-width:1000px){.header{height:105px}.header nav{gap:22px;font-size:13px}.brand{font-size:30px}.brand svg{width:32px}.kanji{font-size:25px}.wrap{width:86%}.service-layout{grid-template-columns:1fr 1.45fr;gap:5%}.company-layout dl>div{grid-template-columns:85px 1fr;font-size:14px}h2{font-size:58px}.product-logo svg{width:40px}.product-logo strong{letter-spacing:-1px}.diamond{border-width:4px}}@media(max-width:700px){html{scroll-padding-top:85px}.header{height:85px;padding:18px 6%;flex-wrap:wrap;align-content:center;gap:0}.brand{font-size:27px;gap:9px}.brand svg{height:35px;width:30px}.kanji{font-size:24px}.menu-toggle{display:block;font-size:12px;letter-spacing:.08em;cursor:pointer}.header nav{display:none;position:absolute;top:85px;left:0;right:0;background:#090909;flex-direction:column;align-items:stretch;padding:16px 7% 25px;gap:0;font-size:15px}.header nav.is-open{display:flex}.header nav a{border-bottom:1px solid #333;padding:15px 0}.hero{min-height:540px;height:88svh}.hero>img{object-position:48% center}.hero-caption{font-size:9px;left:6%;bottom:19px}.scroll{font-size:9px;right:6%;bottom:14px}.section{padding:65px 0}.wrap{width:86%}h2{font-size:48px}.subtitle{font-size:16px;margin-bottom:25px}h3{font-size:19px}.copy{font-size:15px;font-weight:500;line-height:2}.product-layout{grid-template-columns:1fr;gap:40px}.product-logo{margin:0 auto;width:100%;max-width:340px}.product-logo strong{font-size:42px}.product-logo svg{width:60px}.outline-button{margin-top:15px;font-size:14px;min-width:180px}.service-layout{grid-template-columns:1fr;gap:20px}.service-graphic{padding:38px 10px 10px}.service-step{font-size:11px;gap:24px}.service-step>span{margin-bottom:4px}.service-step strong{font-size:13px;margin-top:3px}.diamond{width:22vw;height:22vw;max-width:125px;max-height:125px;border-width:4px}.news-item summary{gap:12px;padding:23px 0;flex-wrap:wrap}.news-item summary>span{width:100%;font-size:12px}.news-item strong{font-size:14px;width:calc(100% - 35px)}.news-item b{font-size:19px}.news-item>p{padding-left:0;font-size:14px}.company-layout{grid-template-columns:1fr;gap:35px}.company-layout dl>div{grid-template-columns:70px 1fr;gap:18px;padding:13px 0;font-size:14px}.company-layout dt{text-align:left;font-size:13px}.company-panel{min-height:245px}.contact h3{font-size:17px}.contact p:not(.subtitle){font-size:14px}.phone{font-size:25px}.back-top{width:40px;height:40px}footer{padding:24px 12%}footer p{font-size:10px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
.company-map{display:block;width:100%;height:360px;border:0;background:#ddd}@media(max-width:700px){.company-map{height:300px}}
.hero:after{background:linear-gradient(90deg,#000d,#0008 65%,#0005)}.hero-copy{position:relative;z-index:2;width:86%;max-width:1200px;margin:auto;padding-top:clamp(160px,27svh,280px)}.hero-shop{font-size:22px;letter-spacing:.15em;margin:0 0 15px}.hero-copy h1{font-size:clamp(36px,5vw,72px);line-height:1.5;letter-spacing:.04em;margin:0 0 20px}.hero-copy>p:last-of-type{font-size:clamp(16px,2vw,22px)}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.hero-actions a{border:1px solid #fff;padding:12px 20px;background:#0007;font-weight:700;font-size:15px}.hero-actions a:hover{background:#fff;color:#000}.lineup-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;list-style:none;padding:0}.lineup-list li{border:1px solid #666;padding:20px}.preview-note{color:#ddd;font-size:14px}#access{scroll-margin-top:30px}@media(max-width:700px){.hero{height:auto;min-height:760px}.hero-copy{padding:150px 0 110px}.hero-copy h1{font-size:clamp(30px,8.5vw,50px)}.hero-actions{flex-direction:column;align-items:stretch;max-width:360px}.hero-actions a{text-align:center}.lineup-list{grid-template-columns:1fr}}

/* Original dark direction, revised identity and visual structure. */
body{background:#080808}.header{height:104px;padding-inline:5%;border-bottom:1px solid #ffffff19}.brand{font-weight:800;letter-spacing:-1px;font-size:34px}.header nav{gap:32px;font-size:13px}.header nav a:last-child{border:1px solid #777;padding:10px 20px}.header nav a:hover{color:#b3c7d3}.hero{min-height:780px;max-height:1080px}.hero>img{object-position:center}.hero:after{background:linear-gradient(90deg,#0007,transparent 85%)}.hero-copy{max-width:1320px;width:86%;padding-top:clamp(190px,28svh,320px)}.hero-shop{font-size:13px;letter-spacing:.3em;color:#bbb}.hero-copy h1{font-size:clamp(40px,4.4vw,72px);line-height:1.55;letter-spacing:.035em}.hero-copy>p:last-of-type{font-size:17px}.hero-actions{gap:0;margin-top:38px}.hero-actions a{font-size:13px;padding:13px 20px;border-color:#ffffff66;background:#0002}.hero-actions a+a{border-left:0}.hero-actions a:first-child{background:#eee;color:#111}.hero-caption{left:7%;font-size:10px}.wrap{max-width:1320px}.section{padding:100px 0}.gray{background:#202020}h2{font-size:clamp(48px,5.2vw,78px);color:#aaa;letter-spacing:-.04em;font-weight:400;display:flex;align-items:center;gap:24px}.section-no{font-size:12px;color:#777;letter-spacing:0;align-self:flex-start;margin-top:14px}.subtitle{font-size:14px;color:#ddd;margin-top:15px;margin-bottom:35px}.copy{font-weight:400;line-height:2.1}.product-layout{grid-template-columns:1.5fr 1fr;align-items:center;gap:12%}.product-logo{background:transparent;color:#fff;aspect-ratio:auto;min-height:250px;border-block:1px solid #444;margin:0;padding:40px 0}.product-logo strong{font-size:clamp(38px,4vw,64px);letter-spacing:-3px}.product-logo small{top:66%;font-size:9px;letter-spacing:4px;color:#888}.service-layout{grid-template-columns:1fr 1.3fr;gap:8%}.service-graphic{padding:0;gap:0;border-block:1px solid #666}.service-step{padding:28px 8px;gap:20px;border-right:1px solid #555}.service-step:last-child{border-right:0}.service-step>span{font-size:10px;letter-spacing:.05em;margin:0}.diamond{border:0;transform:none;width:86px;height:86px}.diamond svg{transform:none;width:65px;height:65px;stroke-width:1.4}.service-step strong{font-size:14px;margin:0}.lineup-list{grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-top:1px solid #555}.lineup-list li{border:0;border-bottom:1px solid #555;padding:30px 15px 30px 0;font-size:15px}.preview-note{font-size:12px;color:#aaa}.news{padding-top:30px}.company-map{filter:grayscale(1)}.contact .wrap{position:relative}.contact h2{color:#eee}.contact .phone{display:inline-block;font-size:clamp(30px,4vw,54px);margin-top:18px;letter-spacing:.02em}.contact h3{font-size:18px}.contact p:not(.subtitle){font-size:14px}.back-top{background:#222;color:#ddd;border:1px solid #555}a:focus-visible,button:focus-visible,summary:focus-visible{outline-color:#a6becb}
@media(max-width:1000px){.header nav{gap:20px}.header nav a:last-child{padding:8px}.service-layout{grid-template-columns:1fr}.service-graphic{margin-top:25px}.lineup-list{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:700px){.header{height:85px;padding-inline:7%}.brand{font-size:28px}.header nav a:last-child{padding:15px 0;border:0}.hero{min-height:740px;max-height:none}.hero>img{object-position:65% center;opacity:.7}.hero:after{background:linear-gradient(90deg,#000a,#0004)}.hero-copy{padding-top:170px;padding-bottom:100px}.hero-copy h1{font-size:clamp(30px,8.5vw,48px)}.hero-copy>p:last-of-type{font-size:14px}.hero-actions{gap:10px;max-width:260px;margin-top:30px}.hero-actions a+a{border-left:1px solid #ffffff66}.hero-actions a{font-size:12px;padding:11px}.section{padding:65px 0}h2{font-size:49px}.product-layout{grid-template-columns:1fr;gap:30px}.product-logo{min-height:180px;width:100%;max-width:none}.product-logo strong{font-size:48px}.product-logo small{top:68%}.service-graphic{padding:0}.service-step{gap:15px}.service-step>span{font-size:9px}.service-step strong{font-size:12px}.diamond{width:65px;height:65px}.diamond svg{width:50px;height:50px}.lineup-list li{font-size:13px;padding:23px 10px 23px 0}.contact h3{font-size:15px}.news{padding-top:10px}}

/* Adopted option 2: fresh pale-blue accents. */
:root{--accent:#b8dff0;--accent-soft:#eff8fc;--ink:#172129;--muted:#505d66;--rule:#d6e3e9}
body{background:#fff;color:var(--ink)}
.header{background:#080808;color:#fff}.header.scrolled{background:#080808f5}.header nav a:hover{color:var(--accent)}.header nav a:last-child{border-color:var(--accent)}
.hero{color:#fff}.hero>img{filter:grayscale(1)}.hero:after{background:linear-gradient(90deg,#000b,#0005 60%,#0002)}.hero-shop{color:#e2edf3}
.hero-actions a{border-color:var(--accent);background:#0005;color:#fff}.hero-actions a:first-child{background:var(--accent);color:var(--ink)}.hero-actions a:hover{background:#d7eef8;color:var(--ink)}
.section,.gray{background:#fff;color:var(--ink)}h2{color:var(--ink);font-weight:600}.subtitle,.preview-note{color:var(--muted)}.section-no{color:#36677d}
.product-logo{color:var(--ink);border-color:var(--rule)}.product-logo small{color:var(--muted)}.outline-button{border-color:#557b8c;color:var(--ink)}.outline-button:hover{background:var(--accent);color:var(--ink)}
#service{border-top:1px solid #edf2f5}.service-graphic{border-color:var(--rule)}.service-step{color:var(--ink);border-color:var(--rule)}.diamond svg{stroke:var(--ink)}
#lineup{background:var(--accent-soft)}.lineup-list,.lineup-list li{border-color:#c5dce7}
.news{padding-top:80px}.news-item{border-color:var(--rule)}.news-item summary>span{background:var(--accent-soft);color:#315a6d;padding:4px 10px;text-align:center}.news-item>p{color:var(--muted)}
.company-layout dl>div{border-bottom:1px solid var(--rule)}.company-layout dt{color:var(--muted)}
.contact{background:#23282c;color:#fff}.contact h2{color:#fff}.contact .subtitle{color:var(--accent)}.contact .phone{background:var(--accent);color:var(--ink);border:0;padding:10px 24px;font-size:clamp(26px,4vw,46px)}.contact .phone:hover{background:#d7eef8}
footer{background:#080808}.back-top{background:var(--accent);color:var(--ink);border-color:#8bbbd0}
a:focus-visible,button:focus-visible,summary:focus-visible{outline-color:#5189a2}.hero a:focus-visible,.header a:focus-visible,.contact a:focus-visible{outline-color:var(--accent)}
@media(max-width:700px){.header .brand{font-size:clamp(20px,6vw,28px)}.hero>img{object-position:60% center;opacity:1}.hero:after{background:linear-gradient(90deg,#000c,#0007)}.hero-actions a+a{border-color:var(--accent)}.news{padding-top:60px}.contact .phone{padding:10px 16px}}