:root{--blue:#3874BC;--deep:#234775;--mid:#5E92D4;--light:#8FB8E6;--pale:#CFE1F6;--ice:#EEF4FB;--teal:#287B88;--accent:#5652A3;--accentHover:#454184;--red:var(--accent);--dark:#17283D;--gray:#586779;--line:#DEE5ED;--off:#F8FAFD;--white:#fff;--w:1120px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--dark);font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;font-size:16px;line-height:1.9;letter-spacing:.06em;background:#fff}img{display:block;width:100%;height:auto}a{color:inherit;text-decoration:none}.wrap{width:min(90%,var(--w));margin:auto}
.header{height:96px;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);display:flex;align-items:center;position:relative;z-index:50}.header.fixed{position:absolute;top:0;left:0;right:0;background:rgba(255,255,255,.96)}.header .wrap{display:flex;align-items:center;justify-content:space-between}.brand{font-weight:800;font-size:20px;letter-spacing:.12em}.nav{display:flex;align-items:center;gap:30px;font-size:14px;font-weight:700}.nav a.current{color:var(--blue);height:96px;display:flex;align-items:center;border-bottom:2px solid var(--blue)}.nav .cta{background:var(--red);color:#fff;padding:17px 25px}.mobile-menu{display:none;position:relative}.mobile-menu summary{list-style:none;cursor:pointer;font-size:24px;line-height:1}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu nav{position:absolute;right:0;top:38px;width:240px;background:#fff;border:1px solid var(--line);box-shadow:0 12px 30px rgba(0,0,0,.12);padding:8px}.mobile-menu nav a{display:block;padding:10px 12px;border-bottom:1px solid var(--line);font-size:13px}.mobile-menu nav a:last-child{border-bottom:0;color:var(--red);font-weight:700}
.hero{height:920px;position:relative;display:grid;place-items:center;color:#fff;text-align:center;background-image:linear-gradient(rgba(12,18,24,.46),rgba(12,18,24,.52)),url("hero.png");background-size:cover;background-position:center;background-repeat:no-repeat;overflow:hidden;isolation:isolate}.hero>div{position:relative;z-index:2;padding:0 20px}.hero h1{margin:0;max-width:96vw;font-family:"Noto Serif JP","Yu Mincho",serif;font-size:clamp(34px,3.65vw,56px);line-height:1.5;letter-spacing:.11em;text-shadow:0 2px 18px rgba(0,0,0,.5)}.heroLine,.heroPhrase{white-space:nowrap}.heroLine{display:block}.heroPhrase{display:inline}.heroLead{max-width:760px;margin:28px auto 0;font-size:14px;line-height:2;color:rgba(255,255,255,.92)}
.news{position:relative;z-index:3;width:min(90%,1130px);margin:-90px auto 0;background:#fff;border-top:3px solid var(--teal);box-shadow:0 14px 44px rgba(0,0,0,.12);padding:38px 72px;display:flex;gap:34px}.news h2{margin:0;color:var(--blue);font-size:19px;white-space:nowrap}.newsRows{flex:1}.newsRow{display:flex;gap:20px;padding:11px 0;border-bottom:1px solid var(--line);font-size:13px}.newsDate{width:90px;flex:none;color:var(--gray);font-weight:700}
.section{padding:108px 0}.section.off{background:var(--off)}.section.ice{background:var(--ice)}.flowSections{position:relative;overflow:hidden;isolation:isolate;background:#fff}.flowSectionsBg{position:absolute;z-index:0;inset:0;line-height:0;pointer-events:none}.flowSectionsBg img{width:100%;height:100%;object-fit:fill}.flowSections>.section{position:relative;z-index:1;background:transparent}.flowSections .worksSection{border-top:0}.heading{margin-bottom:44px}.heading.center{text-align:center}.heading.right{text-align:right}.heading .ja{font-weight:700;letter-spacing:.16em}.heading.center .ja{display:flex;justify-content:center;align-items:center;gap:16px}.heading.center .ja:before,.heading.center .ja:after{content:"";width:50px;height:1px;background:var(--blue)}.heading .en{font:700 clamp(46px,6.3vw,86px)/1 Arial,sans-serif;color:var(--blue);letter-spacing:-.02em}.lead{max-width:800px;color:var(--gray);font-size:15px;line-height:2.1}.button{display:inline-block;padding:14px 28px;border:1px solid var(--blue);color:var(--blue);font-weight:700;font-size:13px}.button.red{border:0;background:var(--red);color:#fff}
.photoPlaceholder{display:grid;place-items:center;background:repeating-linear-gradient(135deg,var(--ice) 0 14px,var(--pale) 14px 28px);border:1px dashed var(--light);color:var(--deep);font-size:11px;font-weight:700;letter-spacing:.08em;text-align:center;padding:14px;min-height:180px}.splitPhoto{aspect-ratio:4/3;min-height:0}
.serviceGrid{background:transparent;padding:64px;display:grid;grid-template-columns:1fr 1fr;gap:34px}.serviceCard{background:#fff;box-shadow:0 10px 34px rgba(35,71,117,.06)}.servicePhoto{aspect-ratio:4/3}.serviceBody{padding:22px 26px 28px}.serviceNum{color:var(--blue);font:700 13px Arial}.serviceBody h3{font-size:23px;margin:6px 0 8px}.serviceBody p{margin:0;color:var(--gray);font-size:13px}
.worksSection{border-top:1px solid var(--line)}.works{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.workCard{background:#fff;border-top:3px solid var(--teal);box-shadow:0 8px 30px rgba(35,71,117,.07)}.workCard img,.workCard .workPhoto{aspect-ratio:4/3;object-fit:cover}.workBody{padding:18px 18px 24px}.tags{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:9px}.tag{font-size:10px;color:#23636D;background:#EDF6F7;border:1px solid #CBE2E6;padding:3px 8px}.workBody h3{font-size:16px;margin:0 0 7px}.workBody p{font-size:12.5px;color:var(--gray);margin:0}
.historyBand{position:relative;color:#fff;padding:100px 0;background:var(--deep)}.historyBand:after{content:"工場・歴史を象徴する写真";position:absolute;right:0;top:0;bottom:0;width:38%;background:repeating-linear-gradient(135deg,#5E92D4 0 14px,#3874BC 14px 28px);opacity:.9;display:grid;place-items:center;color:#fff;font-size:11px;font-weight:700;letter-spacing:.08em;text-align:center;padding:16px}.historyBand .wrap{position:relative;z-index:2}.historyBand .content{max-width:55%}.historyBand .en{font:700 clamp(48px,6vw,78px)/1 Arial}.historyBand p{color:#e8eff8}.contactBand{text-align:center;color:#fff;padding:105px 0;background:linear-gradient(rgba(23,40,61,.90),rgba(23,40,61,.92)),repeating-linear-gradient(135deg,#444 0 14px,#30445D 14px 28px)}.contactBand .en{font:700 17px Arial;letter-spacing:.24em;color:var(--light)}.contactBand h2{font-family:"Noto Serif JP","Yu Mincho",serif;font-size:44px;letter-spacing:.15em;margin:8px 0 15px}.contactBand p{max-width:720px;margin:0 auto;color:#eee}.contactBand .button{margin-top:22px}
.footer{background:var(--dark);color:#ADBCCC;border-top:5px solid var(--blue);padding:50px 0 20px}.footerTop{display:grid;grid-template-columns:1fr 1.4fr;gap:60px}.footer strong{color:#fff}.footer p{font-size:12px}.footerNav{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.footerNav a{display:block;font-size:12px;padding:3px 0}.copy{border-top:1px solid #30445D;margin-top:34px;padding-top:16px;font-size:10px}.footerMobile{display:none}.footerContact{display:inline-block;margin-top:4px;font-size:12px;color:#fff;border-bottom:1px solid rgba(255,255,255,.45);padding-bottom:2px}.footerContact:hover{color:var(--light);border-color:var(--light)}
.pageHero{position:relative;color:#fff;background:var(--deep);overflow:hidden}.pageHero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(35,71,117,.96),rgba(35,71,117,.70))}.pageHero .wrap{position:relative;z-index:2;padding:82px 0 68px}.ey{display:inline-block;font:700 11px Arial;letter-spacing:.22em;border:1px solid rgba(255,255,255,.35);padding:6px 11px}.pageHero .en{display:block;margin-top:14px;font:700 13px Arial;letter-spacing:.3em;color:var(--pale)}.pageHero h1{font-family:"Noto Serif JP","Yu Mincho",serif;font-size:clamp(34px,4.5vw,58px);letter-spacing:.12em;margin:8px 0 12px}.pageHero p{max-width:760px;color:#e8eff8;font-size:14px}.breadcrumb{font-size:11px;color:#d4e1f3;margin-top:18px}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:start}.bodyText{color:var(--gray);font-size:14.5px;line-height:2.12}.subHead{margin:34px 0 10px;color:var(--deep);font-size:19px}.strengthList{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:34px}.strength{border-top:3px solid var(--teal);padding:18px;background:var(--off)}.strength .num{font:700 28px Arial;color:var(--blue)}.strength h3{font-size:16px}.strength p{font-size:13px;color:var(--gray)}
.beforeAfter{display:grid;grid-template-columns:1fr 1fr;gap:20px}.beforeAfter figure{margin:0}.beforeAfter img,.beforeAfter .photoPlaceholder{aspect-ratio:4/3;object-fit:cover}.beforeAfter figcaption{font-size:11px;color:var(--gray);margin-top:6px}.processGrid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.processItem{background:#fff;border:1px solid var(--line);padding:22px}.processItem b{color:var(--blue)}.processItem p{font-size:13px;color:var(--gray)}.equipment{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:30px}.equipment article{background:var(--ice);padding:22px}.equipment p{font-size:13px;color:var(--gray)}
.gallery{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:12px;-webkit-overflow-scrolling:touch;scrollbar-width:thin}.gallery figure{margin:0;flex:0 0 min(74vw,620px);scroll-snap-align:start}.gallery img,.gallery .photoPlaceholder{aspect-ratio:4/3;object-fit:cover}.gallery figcaption{font-size:11px;color:var(--gray);margin-top:7px}
.profile{width:100%;border-collapse:collapse;font-size:14px}.profile th,.profile td{padding:14px 18px;border:1px solid var(--line);text-align:left;vertical-align:top}.profile th{width:190px;background:var(--ice)}.timeline{list-style:none;padding:0;margin:0}.timeline li{display:grid;grid-template-columns:130px 1fr;gap:26px;border-bottom:1px solid var(--line);padding:22px 0}.timeline time{font-weight:700;color:var(--blue)}.trust{background:var(--deep);color:#fff}.trust .heading .en{color:#fff}.trust p{max-width:840px;color:#e7eff8}.accessGrid{display:grid;grid-template-columns:.8fr 1.2fr;gap:36px;align-items:stretch}.accessCard{background:#fff;border:1px solid var(--line);padding:28px}.mapFrame{width:100%;height:420px;border:0}
.contactInfo{display:grid;grid-template-columns:1fr 1fr;gap:28px}.infoCard{border:1px solid var(--line);padding:28px;background:#fff}.infoCard .label{font:700 12px Arial;letter-spacing:.2em;color:var(--blue)}.infoCard h3{font-size:20px}.infoCard p{font-size:13px;color:var(--gray)}.formPreview{max-width:840px}.field{margin-bottom:24px}.field label{font-size:13px;font-weight:700;display:block;margin-bottom:8px}.field .req{font-size:10px;color:#fff;background:var(--red);padding:2px 7px;margin-left:8px}.fakeInput{background:#fff;border:1px solid #ccc;padding:13px 15px;color:#999;min-height:48px;font-size:13px}.fakeInput.large{min-height:110px}.formNote{font-size:12px;color:var(--gray)}
@media(max-width:767px){body{font-size:15px}.header{height:64px}.header.fixed{position:absolute}.nav{display:none}.mobile-menu{display:block}.hero{height:86svh;min-height:620px;background-position:center}.hero>div{transform:translateY(-38px)}.hero h1{font-size:clamp(20px,5.2vw,25px);letter-spacing:.045em;line-height:1.55}.heroLine{white-space:nowrap}.heroPhrase{display:block;white-space:nowrap}.heroLead{width:86%;font-size:12px;line-height:1.8;margin-top:20px}.news{margin-top:-36px;padding:20px 22px;display:block}.news h2{text-align:center;margin-bottom:10px}.newsRow{flex-wrap:wrap;gap:4px}.newsDate{width:100%}.section{padding:64px 0}.heading{margin-bottom:28px}.heading .en{font-size:48px}.serviceGrid{grid-template-columns:repeat(2,minmax(0,1fr));padding:0;gap:10px;background:transparent}.serviceCard{position:relative;min-height:210px;overflow:hidden;background:var(--deep)}.serviceCard:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(35,71,117,.08),rgba(23,40,61,.78))}.servicePhoto{position:absolute;inset:0;height:100%;min-height:100%;border:0}.serviceBody{position:absolute;z-index:2;left:0;right:0;bottom:0;padding:14px;color:#fff}.serviceNum{color:#fff}.serviceBody h3{font-size:15px;margin:2px 0}.serviceBody p{display:none}.heading.right{text-align:left}.works{display:flex;overflow-x:auto;gap:16px;scroll-snap-type:x mandatory;padding:0 5vw 12px;margin-left:-5vw;margin-right:-5vw;scrollbar-width:none}.works::-webkit-scrollbar{display:none}.workCard{flex:0 0 82vw;scroll-snap-align:start;border-top:0}.historyBand{padding:70px 0}.historyBand:after{width:100%;opacity:.18;color:transparent}.historyBand .content{max-width:100%}.contactBand h2{font-size:30px}.footerTop{display:block}.footerNav{grid-template-columns:repeat(3,1fr);gap:12px;margin-top:26px;padding-top:22px;border-top:1px solid #30445D}.footerNav strong{font-size:12px}.footerNav a{font-size:10.5px;letter-spacing:0;padding:4px 0}.footerMobile{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid #30445D;border-bottom:1px solid #30445D;margin-top:22px}.footerMobile a{font-size:11px;padding:10px 4px;border-bottom:1px solid #30445D}.footerMobile a:nth-child(odd){border-right:1px solid #30445D}.pageHero .wrap{padding:54px 0 46px}.split,.accessGrid,.contactInfo,.beforeAfter,.equipment,.processGrid{grid-template-columns:1fr}.strengthList{grid-template-columns:1fr}.profile th{width:105px}.timeline li{grid-template-columns:1fr;gap:6px}.mapFrame{height:320px}.gallery figure{flex-basis:84vw}}