:root{--orange:#f39800;--ink:#403d3b;--pale:#fff1dc;--paper:#f5f4f1}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--ink);font-family:"Noto Sans JP",sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.work-main{max-width:1160px;margin:auto;padding:50px clamp(20px,5vw,64px) 100px}
.work-back{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700}
.work-heading{margin:70px 0 50px;text-align:center}
.work-eyebrow{display:flex;align-items:center;justify-content:center;gap:18px;margin:0 0 10px;color:var(--orange);font-family:Barlow,"Noto Sans JP",sans-serif;font-size:16px;font-weight:700;letter-spacing:.08em}
.work-eyebrow span{color:#a4a09b;font-size:13px}
.work-heading h1{margin:0 0 13px;font-family:Barlow,"Noto Sans JP",sans-serif;font-size:clamp(38px,5vw,64px);line-height:1.15}
.work-heading>p:last-child{margin:0;font-size:clamp(14px,1.6vw,19px);font-weight:600}
.work-heading>p.works-confidential-note{max-width:none;margin:18px auto 0;font-size:15px;font-weight:400;line-height:1.8;color:#716c65;white-space:nowrap;text-align:center}
@media(max-width:800px){.work-heading>p.works-confidential-note{max-width:760px;font-size:12px;white-space:normal}}
.work-images{display:grid;gap:30px}
.work-images figure{margin:0;display:flex;justify-content:center;padding:clamp(14px,3vw,36px);background:var(--paper);border-radius:10px}
.work-images img{width:auto;max-width:100%;max-height:840px;object-fit:contain}
.work-next{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:60px;padding-top:28px;border-top:1px solid #ddd8cf;font-weight:700}
.work-next a:last-child{text-align:right}
.work-next a:hover{color:var(--orange)}
.works-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px 24px}
.works-card{display:block;overflow:hidden;border:1px solid #ebe5dc;border-radius:12px;background:#fff;transition:transform .25s,box-shadow .25s}
.works-card:hover{transform:translateY(-5px);box-shadow:0 12px 34px #27221c18}
.works-card>img{width:100%;aspect-ratio:1.3;object-fit:cover;background:var(--paper)}
.works-card>span{display:grid;gap:6px;padding:18px 20px 22px}
.works-card small{color:var(--orange);font-family:Barlow,"Noto Sans JP",sans-serif;font-size:13px;font-weight:700}
.works-card strong{font-size:20px;line-height:1.25}
.works-card em{font-size:13px;color:#77716b;font-style:normal}
@media(max-width:800px){.works-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}

.work-description{max-width:760px;margin:0 auto 42px;font-size:16px;line-height:2;text-align:left;white-space:pre-line}
.work-images video{display:block;max-width:100%;max-height:760px;margin:auto;background:#171717}
.work-images.many{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.work-images.many figure{padding:8px}
@media(max-width:800px){.work-images.many{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.work-images.many{grid-template-columns:1fr}}

.portfolio-category-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:0 0 80px}
.portfolio-category-nav a{display:grid;grid-template-columns:1fr auto;align-content:center;min-height:128px;padding:24px 30px;border:1px solid #e7e0d6;border-radius:12px;background:var(--paper);transition:border-color .2s,transform .2s}
.portfolio-category-nav a:hover,.portfolio-category-nav a:focus-visible{border-color:var(--orange);transform:translateY(-3px)}
.portfolio-category-nav span{grid-column:1/-1;color:var(--orange);font:700 14px Barlow,sans-serif}
.portfolio-category-nav strong{font:700 clamp(24px,2.6vw,32px) Barlow,sans-serif;line-height:1.25}
.portfolio-category-nav small{grid-column:1;color:#77716b;font-size:13px}
.portfolio-category-nav b{grid-column:2;grid-row:2/4;align-self:center;color:var(--orange);font-size:26px;font-weight:400}
.portfolio-group{scroll-margin-top:110px;margin:0 0 96px}
.portfolio-group-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin:0 0 30px;padding-bottom:18px;border-bottom:1px solid #ded9d1}
.portfolio-group-kicker{margin:0 0 4px;color:var(--orange);font:700 14px Barlow,sans-serif;letter-spacing:.08em}
.portfolio-group-heading h2{margin:0;font:700 clamp(32px,4vw,48px) Barlow,sans-serif;line-height:1.2}
.portfolio-group-heading>span{color:#96918b;font:700 14px Barlow,sans-serif;white-space:nowrap}
.portfolio-more{margin-top:28px}
.portfolio-more summary{display:flex;align-items:center;justify-content:center;gap:14px;max-width:420px;margin:auto;padding:13px 20px;border:1px solid var(--orange);border-radius:8px;color:var(--orange);background:#fff;font-size:15px;font-weight:700;text-align:center;cursor:pointer;list-style:none;transition:background .2s,color .2s}
.portfolio-more summary::-webkit-details-marker{display:none}
.portfolio-more summary:hover,.portfolio-more summary:focus-visible{background:var(--orange);color:#fff}
.portfolio-more summary span::before{content:'＋';font-size:20px;line-height:1}
.portfolio-more[open] summary span::before{content:'−'}
.portfolio-more .works-grid{margin-top:30px}
@media(max-width:800px){.portfolio-category-nav{margin-bottom:60px}.portfolio-category-nav a{padding:20px}.portfolio-group{margin-bottom:76px}}
@media(max-width:600px){.portfolio-category-nav{grid-template-columns:1fr;gap:12px;margin-bottom:54px}.portfolio-category-nav a{min-height:102px}.portfolio-group-heading{align-items:start;flex-direction:column;gap:8px}.portfolio-group-heading>span{font-size:12px}.portfolio-group .works-grid{grid-template-columns:1fr}.portfolio-more summary{font-size:14px}}