@charset "UTF-8";
:root{--navy:#101e35;--navy-deep:#0b172b;--ink:#18263b;--muted:#637083;--red:#c9434b;--line:#dce1e7;--paper:#f3f5f7;--max:1200px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);font-family:"Noto Sans JP","Yu Gothic",YuGothic,"Hiragino Kaku Gothic ProN",Meiryo,sans-serif;-webkit-font-smoothing:antialiased;background:white}a{color:inherit;text-decoration:none}button{font:inherit}button,a,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--red);outline-offset:6px}::selection{background:#c9434b;color:white}.skip-link{position:fixed;top:-80px;left:16px;background:white;padding:12px;z-index:20}.skip-link:focus{top:12px}.section-wrap{width:min(var(--max),calc(100% - 112px));margin-inline:auto}.header{height:100px;display:flex;align-items:center;justify-content:space-between;padding:0 56px;background:white;position:relative;z-index:10}.brand{display:inline-flex;align-items:center;gap:12px;font-size:24px;font-family:Arial,sans-serif;font-weight:750;letter-spacing:1px;line-height:1}.brand-sub{display:block;font-family:"Yu Gothic",Meiryo,sans-serif;font-size:9px;letter-spacing:2px;margin-top:9px;font-weight:600}.brand-mark{width:32px;height:36px;position:relative;display:flex;gap:4px;transform:skewY(-16deg);align-items:center}.brand-mark i{width:7px;height:28px;background:var(--navy)}.brand-mark i:nth-child(2){height:36px}.brand-mark i:last-child{height:20px;background:var(--red);align-self:end}.navigation{display:flex;align-items:center;gap:40px;font-size:12px;font-weight:700}.navigation a{padding:15px 0;transition:color .2s}.navigation a:hover{color:var(--red)}.navigation a:last-child{border:1px solid var(--line);padding:15px 22px}.navigation a span{margin-left:22px;color:var(--red)}.menu-toggle{display:none}.hero{color:white;background:var(--navy);overflow:hidden}.hero-inner{max-width:1440px;margin:auto;display:grid;grid-template-columns:1.1fr 1fr;align-items:center;min-height:640px;padding:40px 56px 30px}.hero-copy{position:relative;z-index:1}.eyebrow{font:11px/1.6 Arial,sans-serif;letter-spacing:2.2px;display:flex;align-items:center;gap:12px}.eyebrow>span{width:6px;height:6px;background:var(--red);display:inline-block}h1{font-size:clamp(42px,4.6vw,70px);line-height:1.55;letter-spacing:.035em;font-weight:650;margin:29px 0 22px;white-space:nowrap}.hero-word{position:relative}.hero-word:after{content:"";position:absolute;bottom:1px;left:2px;width:95%;height:3px;background:var(--red)}.hero-description{font-size:14px;line-height:2.2;color:#c0cbd9;letter-spacing:.045em;margin-bottom:32px}.mobile-break{display:none}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:70px;padding:19px 24px;font-size:12px;font-weight:700;transition:background .2s,transform .2s}.button-light{background:white;color:var(--navy)}.button:hover{background:#e4eaf1;transform:translateY(-2px)}.button span{color:var(--red);font-size:19px}.hero-art{min-width:0;position:relative;margin-left:-10px}.hero-art svg{width:100%;display:block}.crystal{transform-origin:center;animation:float 9s ease-in-out infinite}.art-caption{display:flex;justify-content:space-between;font:8px Arial,sans-serif;letter-spacing:1.5px;color:#8296af;padding:0 30px}.hero-bottom{border-top:1px solid #ffffff18;max-width:1440px;margin:auto;display:flex;justify-content:space-between;padding:22px 56px;font:9px Arial,sans-serif;letter-spacing:1.6px;color:#a6b5c8}.hero-bottom a span{color:white;padding-left:20px}.section-label{display:flex;gap:13px;align-items:center;font:10px/1.5 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var(--line);padding-left:30px}.service:last-child{padding-right:0}.service-top{display:flex;justify-content:space-between;align-items:start;margin-bottom:28px}.service-top>span{font:11px Arial,sans-serif;color:#7a8798}.service-top svg{height:54px;width:54px;stroke:var(--navy);stroke-width:1.15}.service-en{font:9px Arial,sans-serif;letter-spacing:1.5px;color:var(--muted);margin:0 0 12px}.service h3{font-size:21px;line-height:1.5;margin:0 0 18px;letter-spacing:.015em}.service>p:not(.service-en){font-size:12px;color:#596577;line-height:2.2;margin:0 0 25px;flex:1}.status,.tags{font-size:9px;letter-spacing:.03em;min-height:26px;display:flex;align-items:center}.status{gap:8px;color:var(--red);font-weight:700}.status>span{height:5px;width:5px;border-radius:50%;background:var(--red)}.tags{gap:7px;flex-wrap:wrap}.tags>span{border:1px solid #d4dae2;padding:5px 8px;color:#536177}.approach{padding-block:100px 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span{color:var(--red);font-size:60px}.company-data{margin:0;border-top:1px solid #c8d0db}.company-data>div{display:grid;grid-template-columns:125px 1fr;gap:20px;padding:23px 0;border-bottom:1px solid var(--line);font-size:12px;line-height:2}.company-data dt{font-weight:650}.company-data dd{margin:0;color:#536073}.company-data>div:first-child dd{font-size:15px;color:var(--ink);font-weight:600}.company-english{font:9px Arial,sans-serif;letter-spacing:1.3px;display:block;margin-top:5px;color:var(--muted)}.purposes{margin-top:22px;font-size:12px}.purposes summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;padding:16px 0;font-weight:600}.purposes summary::-webkit-details-marker{display:none}.purposes summary span{font-size:20px;font-weight:400;color:var(--red);transition:transform .2s}.purposes[open] summary span{transform:rotate(45deg)}.purposes>div{padding:0 0 12px;color:var(--muted);font-size:11px;line-height:2}.purposes ol{padding-left:22px}.purposes li{padding:3px 0 3px 4px}.purpose-note{font-size:10px}.closing{background:var(--navy);color:white;padding:72px 0 58px;position:relative;overflow:hidden}.closing:after{content:"";position:absolute;width:500px;height:500px;border:1px solid #ffffff0c;border-radius:50%;right:-70px;top:-150px;pointer-events:none}.closing .eyebrow{font-size:9px;color:#9eafc5}.closing h2{font-size:42px;margin:20px 0 30px}.closing-bottom{display:flex;justify-content:space-between;align-items:center;gap:25px}.closing-bottom p{font-size:12px;color:#a8b6c9}.back-top{font:9px Arial,sans-serif;letter-spacing:1.5px;border-bottom:1px solid #ffffff40;padding-bottom:15px}.back-top span{margin-left:50px;color:#e17b81}.footer{padding-block:37px;display:flex;align-items:center;justify-content:space-between;gap:25px}.footer .brand{font-size:19px;gap:10px}.footer .brand-sub{font-size:8px}.footer .brand-mark{transform:scale(.8) skewY(-16deg);transform-origin:left;width:27px}.footer small{font:9px Arial,sans-serif;letter-spacing:.4px;color:#7a8696}@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}@media(min-width:1500px){.hero-inner{padding-inline:80px}.hero-bottom{padding-inline:80px}.header{padding-inline:max(56px,calc((100vw - 1280px)/2))}}@media(max-width:1000px){.section-wrap{width:calc(100% - 72px)}.header{padding-inline:36px;height:88px}.navigation{gap:24px}.hero-inner{padding-inline:36px;min-height:575px}h1{font-size:48px}.hero-art{margin-left:-30px;margin-right:-45px}.hero-bottom{padding-inline:36px}.about-content{gap:40px}h2{font-size:30px}.service{padding-right:20px}.service+.service{padding-left:20px}.service h3{font-size:18px}.company-grid{gap:45px;grid-template-columns:1fr 1.7fr}.company-data>div{grid-template-columns:100px 1fr}.section-heading{gap:30px}}@media(max-width:720px){html{scroll-padding-top:25px}.section-wrap{width:calc(100% - 44px)}.header{height:78px;padding-inline:22px}.brand{font-size:20px;gap:9px}.brand-sub{font-size:8px;letter-spacing:1.5px}.brand-mark{transform:scale(.85) skewY(-16deg);width:28px}.menu-toggle{display:flex;flex-direction:column;justify-content:center;gap:6px;width:42px;height:42px;border:1px solid var(--line);background:white;padding:10px;cursor:pointer}.menu-toggle span{display:block;height:1px;width:20px;background:var(--navy);transition:transform .2s}.menu-toggle[aria-expanded="true"] span:first-child{transform:translateY(3.5px) rotate(45deg)}.menu-toggle[aria-expanded="true"] span:last-child{transform:translateY(-3.5px) rotate(-45deg)}.navigation{display:none;position:absolute;top:78px;left:0;right:0;background:white;padding:16px 22px 24px;border-top:1px solid var(--line);box-shadow:0 15px 25px #101e3512}.navigation.is-open{display:flex;flex-direction:column;align-items:stretch;gap:4px}.navigation a{padding:16px 0}.navigation a:last-child{margin-top:5px}.hero-inner{display:flex;flex-direction:column;align-items:stretch;padding:51px 22px 24px;min-height:0}.eyebrow{font-size:8px;letter-spacing:1.5px}h1{font-size:clamp(36px,8.8vw,59px);line-height:1.65;margin:24px 0 20px;letter-spacing:.015em}.hero-description{font-size:12px;line-height:2.1;margin-bottom:26px}.mobile-break{display:block}.button{padding:16px 21px;gap:58px;font-size:11px}.hero-art{width:85%;max-width:390px;align-self:center;margin:-12px -15px 0 50px}.art-caption{font-size:6px;padding:0 14px;letter-spacing:.7px}.hero-bottom{padding:19px 22px;font-size:7px;letter-spacing:.9px;gap:15px}.hero-bottom>span:first-child{display:none}.hero-bottom a span{padding-left:10px}.about{padding-block:65px}.section-label{font-size:9px;letter-spacing:1.5px}.red-line{width:20px}.about-content{grid-template-columns:1fr;gap:0}h2{font-size:28px;line-height:1.65;margin-top:22px}.about-text{font-size:12px;margin-top:27px;line-height:2.25}.about-text br{display:none}.business{padding-block:64px}.section-heading{display:block}.section-heading>p{font-size:12px;margin:23px 0 0}.services{grid-template-columns:1fr;margin-top:32px}.service,.service+.service{padding:28px 0 30px;border-left:0}.service+.service{border-top:1px solid var(--line)}.service-top{margin-bottom:15px}.service-top svg{width:48px;height:48px}.service h3{font-size:21px;margin-bottom:14px}.service>p:not(.service-en){font-size:12px;line-height:2.1;margin-bottom:20px}.service-en{font-size:9px}.approach{padding-block:64px}.steps{grid-template-columns:1fr;gap:25px;margin-top:32px}.steps li{padding-left:48px;padding-top:22px}.step-number{position:absolute;left:0;top:29px}.steps h3{font-size:21px;margin:0 0 7px}.steps p{margin-top:15px;font-size:12px}.steps li:not(:last-child):after{content:"↓";top:25px}.company{padding-block:64px}.company-grid{grid-template-columns:1fr;gap:30px}.company h2{font-size:28px}.company-caption{margin-bottom:0}.company-monogram{display:none}.company-data>div{grid-template-columns:87px 1fr;gap:14px;font-size:11px;padding-block:20px}.company-data>div:first-child dd{font-size:13px}.purposes{font-size:11px}.closing{padding-block:49px 36px}.closing h2{font-size:29px;margin-block:22px 25px}.closing .eyebrow{font-size:7px;letter-spacing:1.5px}.closing-bottom p{font-size:10px}.back-top{font-size:7px;letter-spacing:1px;white-space:nowrap}.back-top span{margin-left:18px}.footer{align-items:flex-start;flex-direction:column;padding-block:29px;gap:25px}.footer small{font-size:8px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

/* Supplied official logo: keep the original asset intact; crop its whitespace in the layout. */
.brand-logo{display:block;position:relative;width:260px;height:78px;overflow:hidden}.brand-logo img{position:absolute;width:312px;height:auto;max-width:none;left:-31px;top:-46px}.footer .brand-logo{width:220px;height:65px}.footer .brand-logo img{width:264px;left:-26px;top:-39px}@media(max-width:720px){.brand-logo{width:205px;height:60px}.brand-logo img{width:246px;left:-24px;top:-37px}.footer .brand-logo{width:205px;height:60px}.footer .brand-logo img{width:246px;left:-24px;top:-37px}}

.contact-email{color:var(--navy);text-decoration:underline;text-decoration-color:var(--red);text-underline-offset:5px;overflow-wrap:anywhere}.contact-email:hover{color:var(--red)}

.contact{display:grid;grid-template-columns:1fr 1.65fr;align-items:center;gap:80px;padding-block:80px;border-top:1px solid var(--line)}.contact h2{font-size:32px}.contact p{font-size:12px;line-height:2.1;color:var(--muted);margin-top:20px}.contact-address{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:26px 0;border-bottom:1px solid var(--line);font:clamp(20px,2.4vw,32px)/1.5 Arial,sans-serif;overflow-wrap:anywhere;transition:color .2s}.contact-address span{font-size:25px;color:var(--red)}.contact-address:hover{color:var(--red)}@media(max-width:1000px){.contact{gap:45px;grid-template-columns:1fr 1.7fr}}@media(max-width:720px){.contact{grid-template-columns:1fr;gap:12px;padding-block:60px}.contact h2{font-size:28px}.contact-address{font-size:clamp(19px,5.8vw,28px);gap:12px;padding-block:20px}}
/* Motion direction: orbital movement, flowing light, and staggered entrances. */
.hero{position:relative;isolation:isolate;background:linear-gradient(120deg,#0b172b,#142b48 55%,#101e35)}
.hero:before,.hero:after{content:"";position:absolute;pointer-events:none;z-index:-1;border-radius:50%;filter:blur(55px)}
.hero:before{width:65%;height:85%;left:-15%;top:15%;background:radial-gradient(ellipse,#376ba44d,transparent 68%);animation:light-drift 13s ease-in-out infinite alternate}
.hero:after{width:48%;height:70%;right:-15%;top:-20%;background:radial-gradient(ellipse,#c9434b25,transparent 70%);animation:light-drift 16s ease-in-out -5s infinite alternate-reverse}
.hero-inner,.hero-bottom{position:relative;z-index:1}
.hero-art{perspective:1000px}
.hero-art svg{transform:rotateX(var(--tilt-x,0deg)) rotateY(var(--tilt-y,0deg));transition:transform .65s cubic-bezier(.2,.7,.2,1);will-change:transform}
.crystal{transform-box:fill-box;transform-origin:center;animation:crystal-dance 7s cubic-bezier(.45,0,.55,1) infinite;filter:drop-shadow(0 18px 28px #0005)}
.orbital-lines{transform-box:fill-box;transform-origin:center;animation:orbit-spin 30s linear infinite}
.signal-points{position:absolute;inset:10% 6% 14%;pointer-events:none;animation:orbit-spin 42s linear infinite}
.signal-points>span{position:absolute;left:50%;top:50%;width:4px;height:4px;border-radius:50%;background:#b7d7ff;box-shadow:0 0 14px #84baff;transform:rotate(var(--angle)) translateX(clamp(80px,15vw,210px));animation:signal-glow 4s ease-in-out var(--delay) infinite}
.signal-points>span:nth-child(4n){background:#e77178;box-shadow:0 0 16px #c9434b;width:6px;height:6px}
.hero-word:after{transform-origin:left;animation:underline-flow 3.5s ease-in-out infinite}
.motion-active .hero-copy>.eyebrow{animation:hero-arrive .8s .05s both}
.motion-active .hero-copy h1{animation:hero-arrive 1.1s .2s both}
.motion-active .hero-description{animation:hero-arrive 1.1s .4s both}
.motion-active .hero-copy .button{animation:hero-arrive 1.1s .6s both}
.hero-bottom a span{display:inline-block;animation:scroll-cue 1.8s ease-in-out infinite}
.reading-progress{position:fixed;left:0;top:0;width:100%;height:3px;background:linear-gradient(90deg,#c9434b,#f09096);z-index:100;transform:scaleX(0);transform-origin:left;pointer-events:none}
.reveal-pending{opacity:0;transform:translateY(38px);transition:opacity .85s var(--reveal-delay,0ms),transform .85s cubic-bezier(.2,.7,.2,1) var(--reveal-delay,0ms)}
.reveal-visible{opacity:1;transform:translateY(0)}
.service{position:relative;transition:background .3s,opacity .85s var(--reveal-delay,0ms),transform .85s cubic-bezier(.2,.7,.2,1) var(--reveal-delay,0ms)}
.service:before{content:"";height:2px;position:absolute;top:-1px;left:0;right:0;background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .5s}
@media(hover:hover){.service:hover:before{transform:scaleX(1)}.service-top svg{transition:transform .6s cubic-bezier(.2,.7,.2,1)}.service:hover .service-top svg{transform:translateY(-6px) rotate(10deg)}.contact-address span{transition:transform .35s}.contact-address:hover span{transform:translate(5px,-5px)}}
@keyframes crystal-dance{0%,100%{transform:translateY(8px) rotate(-7deg) scale(.96)}50%{transform:translateY(-18px) rotate(8deg) scale(1.05)}}
@keyframes orbit-spin{to{transform:rotate(360deg)}}
@keyframes light-drift{0%{transform:translate(0,0) scale(.85)}100%{transform:translate(35%,15%) scale(1.3)}}
@keyframes signal-glow{0%,100%{opacity:.15}50%{opacity:.95}}
@keyframes underline-flow{0%,100%{transform:scaleX(.65);opacity:.65}50%{transform:scaleX(1);opacity:1}}
@keyframes hero-arrive{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:translateY(0)}}
@keyframes scroll-cue{0%,100%{transform:translateY(-3px)}50%{transform:translateY(4px)}}
@media(max-width:720px){.hero:before,.hero:after{filter:blur(30px)}.signal-points>span{transform:rotate(var(--angle)) translateX(clamp(80px,29vw,150px))}.reveal-pending{transform:translateY(25px)}.reveal-visible{transform:translateY(0)}}
@media(prefers-reduced-motion:reduce){.hero-art svg{transform:none;will-change:auto}.reveal-pending{opacity:1;transform:none}.hero:before,.hero:after{display:none}}
@media print{.reveal-pending{opacity:1;transform:none}.reading-progress,.signal-points{display:none}}