@font-face{font-family:"Jost";font-style:normal;font-weight:300 500;font-display:swap;src:url(fonts/jost-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Jost";font-style:normal;font-weight:300 500;font-display:swap;src:url(fonts/jost-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
/* artiper.com v3 — 現行 Wix サイトの見た目（グレーのヘッダー・Futura 系の細い書体・ベージュ地・写真カード・大きなフッター）を整えたもの */
:root{--bg:#fffdf8;--band:#fbf3e8;--card:#fbf3e8;--ink:#2f2b26;--muted:#63605b;--line:#2f2b26;--soft:#e6dccf;--head:#e3e3e3;
--sans:"Jost","Futura","Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic","Noto Sans JP",sans-serif}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:300 16.5px/1.9 var(--sans);letter-spacing:.01em}
html[lang="ja"] body{font-family:var(--sans);font-weight:300;font-size:15.5px;line-height:2.05}
a{color:inherit;text-underline-offset:3px}
img{max-width:100%;display:block}

header.site{position:sticky;top:0;z-index:10;background:var(--head);display:flex;align-items:center;gap:48px;flex-wrap:wrap;padding:14px 4vw}
.logo img{width:118px;height:auto}
nav.main{display:flex;gap:48px;flex-wrap:wrap}
nav.main a{text-decoration:none;font-size:14.5px;color:var(--ink);transition:color .2s}
nav.main a:hover,nav.main a[aria-current]{color:#9a958e}
nav.lang{display:flex;gap:14px;margin-left:auto}
nav.lang a{text-decoration:none;color:var(--muted);font-size:13px}
nav.lang a[aria-current]{color:var(--ink);border-bottom:1px solid var(--ink)}

.wrap{max-width:900px;margin:0 auto;padding:72px 24px 0}
.center{text-align:center}
.prose p{margin:0 0 1.1em;color:var(--muted)}
.center.prose p{max-width:40em;margin-left:auto;margin-right:auto}

.hero{min-height:calc(100vh - 66px);display:flex;align-items:center;justify-content:center;text-align:center;padding:40px 24px;
background:
 radial-gradient(130% 95% at 88% 0%,#f4eee7 0 36%,transparent 36.4%),
 radial-gradient(70% 110% at -5% 105%,#d8cdc0 0 32%,transparent 32.4%),
 linear-gradient(135deg,#e5dacd,#eee6dc 45%,#e2d6c8)}
.hero h1{margin:0;font:300 clamp(30px,4.3vw,60px)/1.75 var(--sans)}
html[lang="ja"] .hero h1{font-size:clamp(24px,3.4vw,44px);letter-spacing:.06em}
.hero h1 span{display:block}

.band{background:var(--band);padding-bottom:80px}
.band .wrap{padding-top:80px}
h1,h2,h3{font-weight:300}
h2.brand{font:300 clamp(30px,3.6vw,46px)/1.2 var(--sans);text-align:center;margin:0 0 8px}
h2.brand.small{font-size:clamp(26px,3vw,36px)}
.sub{text-align:center;color:var(--muted);margin:0 0 40px!important}
.band h2.brand+p:not(.sub){margin-top:40px}
.mission{margin-top:2em!important;padding-top:1.6em;border-top:1px solid var(--soft);color:var(--ink)!important;font-size:1.06em}
.chips{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.chip{--c:#333;text-decoration:none;border:1px solid var(--c);color:var(--c);padding:6px 20px;font-size:14px;letter-spacing:.14em;transition:all .2s}
.chip:hover{background:var(--c);color:#fff}
.more{margin:36px 0 0}
.more a{text-decoration:none;border-bottom:1px solid var(--ink)}

.pagehead h1{font:300 clamp(36px,4.6vw,58px)/1.25 var(--sans);text-align:center;margin:0}
.wide{margin:72px 0 0}
.wide img{width:100%;max-height:520px;object-fit:cover}
.rule{width:40px;height:2px;background:var(--ink);margin:14px auto 36px}
dl.info{display:grid;grid-template-columns:max-content 1fr;gap:16px 40px;margin:0;max-width:720px;margin:0 auto}
dl.info dt{font-weight:400}
dl.info dd{margin:0;color:var(--muted)}
.rep{display:grid;grid-template-columns:220px 1fr;gap:44px;align-items:start;border-top:1px solid var(--soft);margin-top:72px}
.portrait{width:220px;filter:grayscale(1)}
h2.h3{font:400 20px/1.5 var(--sans);margin:0 0 16px}

ul.svc{list-style:none;margin:0;padding:0;display:grid;gap:36px}
ul.svc>li{--c:#333;display:grid;grid-template-columns:1fr 1fr;background:var(--card);min-height:330px;scroll-margin-top:90px}
ul.svc>li:nth-child(even) .ph{order:2}
ul.svc .ph{overflow:hidden;position:relative}
ul.svc .ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s}
ul.svc>li:hover .ph img{transform:scale(1.03)}
ul.svc .tx{padding:30px 34px}
ul.svc h3{font:400 30px/1.2 var(--sans);letter-spacing:.06em;color:var(--c);margin:0 0 16px;text-align:center}
ul.svc .tx ul{margin:0;padding-left:1.1em;color:var(--muted)}
ul.svc .tx li{margin:.2em 0}
.works .lead{color:var(--muted);max-width:38em;margin:16px auto 40px}
ul.wl{list-style:none;margin:0;padding:0;columns:2;column-gap:44px}
ul.wl li{break-inside:avoid;padding:10px 0 10px 18px;border-bottom:1px solid var(--soft);position:relative;color:var(--muted);font-size:15px}
ul.wl li:before{content:"";position:absolute;left:0;top:1.15em;width:6px;height:6px;border-radius:50%;background:#c9b9a5}

form.contact{display:grid;grid-template-columns:1fr 1fr;gap:20px 32px;max-width:760px;margin:0 auto}
form.contact label{display:flex;flex-direction:column;font-size:13px;gap:6px}
form.contact label.full{grid-column:1/-1}
form.contact input,form.contact textarea{font:inherit;border:1px solid var(--ink);background:#fff;padding:9px 11px}
form.contact button{grid-column:1/-1;justify-self:center;font:400 15px var(--sans);letter-spacing:.12em;background:var(--ink);color:#fff;border:0;padding:12px 56px;cursor:pointer}
.hp{display:none}

footer.site{margin-top:110px;border-top:1px solid var(--line)}
.fin{max-width:1100px;margin:0 auto;padding:56px 6vw 40px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.fbrand{display:flex;align-items:center;gap:14px;font:300 clamp(30px,3.4vw,44px)/1 var(--sans);letter-spacing:-.01em}
.fbrand img{width:34px;height:34px}
.foffice h4{font:300 26px/1.3 var(--sans);margin:0 0 14px}
.foffice p{margin:0;font-size:17px;line-height:1.8;color:var(--muted)}
.foffice a{text-decoration:none}
.copy{text-align:center;font-size:12px;color:#9a958e;margin:0;padding:0 0 28px}

@media (max-width:760px){
 header.site{gap:14px;padding:10px 16px}
 nav.main{gap:18px}
 .wrap{padding:56px 16px 0}
 ul.svc>li{grid-template-columns:1fr;height:auto}
 ul.svc>li:nth-child(even) .ph{order:0}
 ul.svc .ph{height:220px}
 ul.wl{columns:1}
 .rep{grid-template-columns:1fr}
 form.contact{grid-template-columns:1fr}
 .fin{grid-template-columns:1fr}
}

/* ---- トップ：植物タンニン革をベースに、現行の「曲線の紙」の世界観を革で描き直す ---- */
.hero{position:relative;overflow:hidden;background:#ebe2d7}
.hero:after{content:"";position:absolute;inset:0;background:radial-gradient(120% 90% at 50% 50%,rgba(255,250,243,.0) 40%,rgba(120,90,60,.10));pointer-events:none}
.hide{position:absolute;background-size:cover;box-shadow:0 30px 60px -30px rgba(70,45,25,.35)}
.hide-a{width:58vw;height:58vw;max-width:900px;max-height:900px;right:-14vw;top:-36vw;border-radius:50% 46% 52% 48%/48% 52% 46% 54%;
 background-image:url(img/tex_natural.jpg);background-position:center;background-size:cover}
.hide-b{width:44vw;height:44vw;max-width:700px;max-height:700px;left:-17vw;bottom:-26vw;border-radius:48% 52% 50% 50%/52% 48% 52% 48%;
 background-image:url(img/tex_terra.jpg);background-position:30% 50%}
.hin{position:relative;z-index:2;text-align:center}
.hk{margin:28px 0 0;font:400 12px/1 var(--sans);letter-spacing:.34em;text-transform:uppercase;color:#7a6550}
@media (max-width:760px){.hide-a{width:130vw;height:130vw;right:-55vw;top:-85vw}.hide-b{width:90vw;height:90vw;left:-40vw;bottom:-55vw}}

.copy a{color:inherit}
.consent{font-size:13px!important}
.consent span{display:flex;gap:8px;align-items:flex-start;flex-wrap:wrap}
.consent input{width:auto!important;margin:3px 0 0}
dl.privacy{grid-template-columns:200px 1fr}
@media (max-width:760px){dl.privacy{grid-template-columns:1fr}dl.privacy dd{margin-bottom:12px}}