:root{--paper:#f3faf9;--white:#fff;--ink:#16373d;--muted:#567178;--teal:#087f86;--deep:#07535d;--pale:#dff2ee;--line:#cce2df;--shadow:0 24px 60px rgba(14,86,90,.1);--font:'Inter','Noto Sans JP',sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.75 var(--font);-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
h1,h2,h3,p{margin:0}
h1,h2,h3{line-height:1.4}
:focus-visible{outline:3px solid var(--teal);outline-offset:4px}
::selection{background:#a8e0d9;color:var(--ink)}
.skip{position:fixed;z-index:100;top:8px;left:12px;padding:10px 18px;background:var(--white);transform:translateY(-150%)}
.skip:focus{transform:none}
.gallery-header{height:78px;padding-inline:clamp(22px,4vw,70px);display:flex;justify-content:space-between;align-items:center;gap:30px;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30;backdrop-filter:blur(16px)}
.gallery-brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;letter-spacing:-.05em;color:#043c6b;white-space:nowrap}
.gallery-brand img{width:50px;height:25px;object-fit:contain}
.brand-light{font-weight:400}
.gallery-header nav{display:flex;align-items:center;gap:clamp(14px,2.4vw,35px);font-size:12px;font-weight:700}
.gallery-header nav>a:not(.nav-contact):hover{color:var(--teal)}
.nav-contact{display:inline-flex;justify-content:space-between;align-items:center;gap:18px;min-height:43px;padding:8px 17px;background:var(--teal);color:white;border-radius:7px}
.nav-contact:hover,.primary-link:hover,.contact-link:hover{background:var(--deep)}
.section-wrap{max-width:1440px;margin-inline:auto;padding-inline:clamp(22px,5vw,80px)}
.section-kicker{font-size:11px;font-weight:800;letter-spacing:.16em;color:var(--teal)}
.gallery-hero{min-height:min(760px,calc(100svh - 78px));max-width:1440px;padding:clamp(44px,5vw,78px) clamp(22px,5vw,80px) clamp(50px,6vw,90px);margin:auto;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.03fr);gap:clamp(34px,4vw,70px);align-items:center}
.hero-copy{max-width:630px}
.eyebrow{display:flex;align-items:center;gap:10px;font-size:11px;font-weight:800;letter-spacing:.12em;color:var(--deep)}
.eyebrow-dot{width:9px;height:9px;border-radius:50%;background:#47bdaf;box-shadow:0 0 0 4px #d0eee8}
.hero-number{display:flex;align-items:baseline;gap:16px;margin-top:25px;color:var(--teal)}
.hero-number strong{font-size:clamp(72px,9vw,136px);font-weight:700;line-height:.96;letter-spacing:-.09em}
.hero-number span{font-size:11px;font-weight:800;letter-spacing:.15em}
.gallery-hero h1{margin-top:21px;font-size:clamp(34px,3.7vw,56px);font-weight:800;letter-spacing:-.065em}
.gallery-hero h1 em{color:var(--teal);font-style:normal}
.hero-lead{max-width:550px;margin-top:23px;font-size:15px;line-height:2;color:#3d5c62}
.hero-actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap;margin-top:30px}
.primary-link,.contact-link{display:inline-flex;align-items:center;justify-content:space-between;gap:38px;min-height:58px;padding:13px 22px;background:var(--teal);border-radius:8px;color:#fff;font-size:14px;font-weight:800;line-height:1.45;transition:background .2s,transform .2s}
.primary-link:hover,.contact-link:hover{transform:translateY(-2px)}
.primary-link span,.contact-link span{font-size:21px;line-height:1}
.text-link{font-size:13px;font-weight:700;color:var(--deep);border-bottom:1px solid currentColor;padding:8px 0}
.text-link span{margin-left:5px}
.demo-note{margin-top:22px;font-size:11px;color:var(--muted)}
.gallery-window{height:clamp(480px,43vw,605px);position:relative;overflow:hidden;background:white;border:1px solid #b7d8d5;border-radius:16px;box-shadow:var(--shadow)}
.window-top{height:42px;padding:0 15px;display:flex;align-items:center;justify-content:space-between;gap:10px;background:#fafdfe;border-bottom:1px solid var(--line);font-size:9px;font-weight:800;letter-spacing:.15em;color:#6e9094}
.window-dots{display:flex;gap:5px}
.window-dots i{width:6px;height:6px;border-radius:50%;background:#acc8c9}
.window-dots i:first-child{background:#76cfc2}
.scroll-columns{height:calc(100% - 42px);padding:10px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;overflow:hidden;background:#e9f4f3}
.preview-column{min-width:0;overflow:hidden}
.preview-track{display:flex;flex-direction:column;animation:column-up 180s linear infinite}
.preview-column-2 .preview-track{animation-name:column-down;animation-duration:190s;transform:translateY(-50%)}
.preview-group{display:flex;flex-direction:column;gap:10px;padding-bottom:10px}
.preview-card{overflow:hidden;background:white;border:1px solid #dce8e7;border-radius:5px;box-shadow:0 6px 18px rgba(9,63,70,.08)}
.preview-card img{width:100%;height:auto;aspect-ratio:1365/900;object-fit:cover;object-position:top}
.preview-card span{display:block;padding:7px 9px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:9px;font-weight:700;color:var(--deep)}
.gallery-window:hover .preview-track,.gallery-window:focus-within .preview-track{animation-play-state:paused}
.window-link{position:absolute;z-index:2;inset:42px 0 0;display:flex;align-items:end;justify-content:center;padding:0 20px 18px;background:linear-gradient(transparent 60%,rgba(5,57,64,.36) 100%)}
.window-link span{display:inline-flex;align-items:center;justify-content:space-between;gap:30px;min-width:210px;padding:12px 16px;border-radius:7px;background:white;color:var(--deep);font-size:12px;font-weight:800;box-shadow:0 10px 35px rgba(4,54,60,.2)}
.window-link b{font-size:18px}
@keyframes column-up{to{transform:translateY(-50%)}}
@keyframes column-down{to{transform:translateY(0)}}
.how-to{padding-top:105px;padding-bottom:110px;background:white;max-width:none}
.how-to>.section-heading,.how-grid,.how-to>.centered-link{max-width:1280px;margin-inline:auto}
.section-heading h2{margin-top:14px;font-size:clamp(29px,3vw,42px);letter-spacing:-.05em}
.section-heading>p:last-child:not(.section-kicker){margin-top:15px;font-size:14px;color:var(--muted)}
.how-grid{margin-top:40px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.how-grid article{padding:26px 27px 30px;background:var(--paper);border-top:3px solid var(--teal)}
.how-grid article>span{font-size:28px;font-weight:700;letter-spacing:-.07em;color:var(--teal)}
.how-grid h3{margin-top:13px;font-size:19px}
.how-grid p{margin-top:11px;font-size:13px;color:var(--muted)}
.centered-link{display:flex;width:max-content;margin-top:34px!important}
.other-work{padding-top:105px;padding-bottom:110px}
.other-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:38px}
.other-grid a{position:relative;display:flex;flex-direction:column;justify-content:center;min-height:122px;padding:20px 45px 20px 22px;background:white;border:1px solid var(--line);border-radius:8px;transition:transform .2s,box-shadow .2s}
.other-grid a:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(7,83,93,.1)}
.other-kind{font-size:10px;letter-spacing:.05em;color:var(--teal);font-weight:800}
.other-grid strong{margin-top:8px;font-size:15px;line-height:1.5}
.other-arrow{position:absolute;right:18px;top:19px;color:var(--teal);font-size:22px}
.gallery-contact{max-width:none;padding-top:76px;padding-bottom:83px;text-align:center;background:var(--deep);color:white}
.gallery-contact .section-kicker{color:#a2e3d9}
.gallery-contact h2{margin-top:14px;font-size:clamp(27px,3vw,40px);letter-spacing:-.05em}
.gallery-contact>p:not(.section-kicker){margin-top:14px;font-size:14px;color:#c5e6e4}
.contact-link{margin-top:30px;background:#fff;color:var(--deep)}
.contact-link:hover{background:#dff2ee;color:var(--deep)}
.gallery-footer{display:flex;justify-content:space-between;gap:20px;padding:20px clamp(22px,5vw,80px);font-size:11px;color:var(--muted);background:white}
.gallery-footer a{font-weight:700;color:var(--deep)}

/* Exhibition */
.exhibition-hero{padding-top:46px;padding-bottom:43px;background:linear-gradient(135deg,#e4f4f1,#f9fdfc)}
.back-link{font-size:12px;font-weight:700;color:var(--teal)}
.back-link:hover{text-decoration:underline}
.exhibition-title-line{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-top:35px}
.exhibition-title-line h1{margin-top:12px;font-size:clamp(34px,4vw,58px);letter-spacing:-.06em}
.count-mark{display:inline-flex;vertical-align:middle;align-items:center;justify-content:center;width:54px;height:54px;margin-left:13px;border-radius:50%;background:var(--teal);color:white;font-size:22px;letter-spacing:-.04em}
.exhibition-title-line>p{padding-bottom:4px;font-size:13px;color:var(--muted)}
.exhibition-hero-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:55px;padding-top:13px;border-top:1px solid #b5d8d3;font-size:10px;font-weight:800;letter-spacing:.12em;color:var(--deep)}
.catalogue{padding-top:67px;padding-bottom:110px}
.filter-block{display:grid;grid-template-columns:210px minmax(0,1fr);gap:35px;align-items:start}
.filter-block h2{margin-top:10px;font-size:26px;letter-spacing:-.04em}
.filter-controls{display:flex;flex-wrap:wrap;gap:8px}
.filter-chip{min-height:42px;padding:9px 13px;border:1px solid #bad9d5;background:white;color:var(--deep);border-radius:5px;font-size:12px;font-weight:700;transition:background .2s,color .2s,border-color .2s}
.filter-chip:hover{border-color:var(--teal)}
.filter-chip[aria-pressed="true"]{background:var(--teal);border-color:var(--teal);color:white}
.result-line{display:flex;justify-content:space-between;gap:20px;margin-top:48px;padding-bottom:13px;border-bottom:1px solid var(--line);font-size:12px;color:var(--muted)}
.result-line p:first-child{font-weight:800;color:var(--deep)}
.sample-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:22px}
.sample-card{display:block;min-width:0;padding:0;text-align:left;border:1px solid #cfe2df;border-radius:8px;background:white;color:var(--ink);overflow:hidden;position:relative;transition:transform .22s,box-shadow .22s,border-color .22s}
.sample-card:hover{transform:translateY(-4px);border-color:var(--teal);box-shadow:0 16px 36px rgba(7,83,93,.12)}
.sample-frame{display:block;aspect-ratio:1365/900;overflow:hidden;background:#e8f1f0}
.sample-frame img{width:100%;height:100%;object-fit:cover;object-position:top;transition:transform .3s}
.sample-card:hover .sample-frame img{transform:scale(1.025)}
.sample-detail{display:flex;flex-direction:column;min-height:125px;padding:15px 44px 17px 18px}
.sample-number{font-size:10px;font-weight:800;letter-spacing:.1em;color:var(--teal)}
.sample-detail strong{margin-top:7px;font-size:14px;line-height:1.55}
.sample-tone{margin-top:auto;padding-top:8px;font-size:11px;color:var(--muted)}
.sample-arrow{position:absolute;right:18px;bottom:19px;color:var(--teal);font-size:20px}
.gallery-disclaimer{margin-top:32px;font-size:11px;color:var(--muted)}
.preview-dialog{width:min(1250px,calc(100vw - 38px));max-height:calc(100dvh - 30px);padding:0;border:1px solid #bcd8d6;border-radius:13px;color:var(--ink);background:white;box-shadow:0 30px 100px rgba(3,42,49,.35)}
.preview-dialog::backdrop{background:rgba(4,35,43,.72);backdrop-filter:blur(6px)}
.dialog-header{min-height:54px;padding:8px 18px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);font-size:11px;font-weight:800;letter-spacing:.1em;color:var(--teal)}
.dialog-header button{border:0;background:transparent;color:var(--ink);font-size:12px;font-weight:700;min-height:36px}
.dialog-header button span{font-size:20px;margin-left:8px}
.dialog-layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(260px,.6fr);max-height:calc(100dvh - 85px)}
.dialog-image-wrap{overflow:auto;background:#e9f2f1;display:flex;align-items:center;justify-content:center;padding:17px}
.dialog-image-wrap img{width:100%;height:auto;max-height:calc(100dvh - 120px);object-fit:contain;box-shadow:0 14px 38px rgba(0,0,0,.18)}
.dialog-info{display:flex;flex-direction:column;padding:30px 26px}
.dialog-info h2{margin-top:13px;font-size:clamp(20px,2vw,29px);letter-spacing:-.04em}
.dialog-info>p:not(.section-kicker){margin-top:15px;font-size:13px;color:var(--muted)}
.dialog-actions{margin-top:auto;padding-top:30px}
.dialog-actions .primary-link{width:100%}
.dialog-actions p{margin-top:10px;font-size:11px;color:var(--muted)}
.dialog-pager{display:flex;justify-content:space-between;gap:10px;margin-top:32px;border-top:1px solid var(--line);padding-top:15px}
.dialog-pager button{padding:7px 0;border:0;background:none;color:var(--teal);font-size:12px;font-weight:800}
.dialog-pager button:hover{text-decoration:underline}
@media(max-width:1100px){.gallery-hero{grid-template-columns:1fr 1fr}.gallery-header nav{gap:14px}.sample-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.gallery-header{height:auto;min-height:66px;padding:12px 20px;flex-wrap:wrap}.gallery-brand{font-size:17px}.gallery-brand img{width:42px;height:22px}.gallery-header nav{width:100%;justify-content:space-between;gap:10px;font-size:10px}.nav-contact{min-height:36px;padding:7px 10px}.gallery-hero{grid-template-columns:1fr;min-height:0;padding-top:46px;padding-bottom:70px;gap:38px}.hero-number strong{font-size:93px}.gallery-hero h1{font-size:clamp(33px,8vw,46px)}.hero-lead{font-size:14px}.gallery-window{height:430px}.how-to,.other-work{padding-top:72px;padding-bottom:76px}.how-grid{grid-template-columns:1fr;gap:10px}.how-grid article{padding:18px 20px}.other-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.exhibition-title-line{display:block}.exhibition-title-line>p{margin-top:18px}.exhibition-hero-bottom{margin-top:36px}.filter-block{grid-template-columns:1fr;gap:20px}.catalogue{padding-top:55px}.dialog-layout{display:block;overflow:auto;max-height:calc(100dvh - 85px)}.dialog-image-wrap{padding:10px}.dialog-image-wrap img{max-height:55dvh}.dialog-info{padding:20px}.dialog-actions{padding-top:20px}.dialog-pager{margin-top:20px}}
@media(max-width:540px){.gallery-header nav{min-width:0}.gallery-header .nav-contact{display:none}.hero-actions{display:block}.hero-actions .primary-link{width:100%}.hero-actions .text-link{display:inline-block;margin-top:12px}.gallery-window{height:360px}.scroll-columns{gap:6px;padding:6px}.preview-group{gap:6px;padding-bottom:6px}.preview-card span{font-size:8px}.other-grid{grid-template-columns:1fr}.other-grid a{min-height:85px}.exhibition-hero-bottom span:last-child{display:none}.sample-grid{grid-template-columns:1fr;gap:16px}.sample-detail{min-height:105px}.result-line p:last-child{display:none}.count-mark{width:43px;height:43px;font-size:18px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.preview-track,.preview-column-2 .preview-track{animation:none;transform:none}.scroll-columns{overflow:auto}.primary-link,.contact-link,.sample-card,.other-grid a,.sample-frame img{transition:none}}

/* Keep the additional samples clearly secondary to the LP exhibition. */
.landing-page .other-grid{gap:9px;margin-top:24px}
.landing-page .other-grid a{min-height:72px;padding:11px 16px;background:transparent;box-shadow:none}
.landing-page .other-grid a:hover{transform:none;background:#fff;box-shadow:none;border-color:#a9c5d4}
.landing-page .other-kind{font-size:10px;color:#607989;font-weight:600}
.landing-page .other-grid strong{margin-top:4px;font-size:13px;line-height:1.45}
@media(max-width:540px){.landing-page .other-grid a{min-height:64px}}