/* ============================================================
   CHIKUMEIDO — 竹茗堂 / 高山茶筌 — concept demo (English storefront)
   by TOBIRA studio / 2026-07
   Design: "THE HUNDRED CUTS" — one node of bamboo, split by hand into a whisk.
   Palette: kinari paper × sumi ink × matcha green × bamboo.
   ============================================================ */

:root{
  --paper:#F4F0E4;         /* kinari washi */
  --paper2:#EAE4D3;
  --paper3:#E1D9C4;
  --sumi:#20201A;          /* sumi ink */
  --sumi2:#2B2A22;
  --sumi3:#37362B;
  --matcha:#4C5F2B;        /* deep matcha */
  --matcha2:#6C8637;       /* bright matcha */
  --matcha3:#8AA24E;       /* light matcha */
  --bamboo:#BEC79E;        /* pale bamboo */
  --gold:#B08A4E;          /* aged gold */
  --muted:#7D7A66;
  --muted-d:#9DA88A;       /* muted on dark */
  --line:rgba(32,32,26,.14);
  --line-d:rgba(244,240,228,.16);
  --accent:var(--matcha);
  --accent-2:var(--matcha2);
  --ease:cubic-bezier(.16,1,.3,1);
  --pad:clamp(20px,5vw,80px);
  --maxw:1320px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--paper);color:var(--sumi);
  font-family:"Zen Kaku Gothic New",-apple-system,BlinkMacSystemFont,"Hiragino Sans","Noto Sans JP",sans-serif;
  font-weight:400;line-height:1.9;letter-spacing:.01em;
  overflow-x:hidden;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
::selection{background:var(--matcha2);color:var(--paper)}

.mincho{font-family:"Shippori Mincho B1","Hiragino Mincho ProN",serif;font-weight:500}
.serif{font-family:"Cormorant Garamond",serif;font-weight:400}
.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--pad)}
.mono{font-family:ui-monospace,"SF Mono",Menlo,monospace;font-size:.68rem;letter-spacing:.28em;text-transform:uppercase}
.jp{font-family:"Shippori Mincho B1",serif}

/* ---------- cursor ---------- */
.cursor,.cursor-dot{position:fixed;top:0;left:0;pointer-events:none;z-index:9999;border-radius:50%;mix-blend-mode:difference}
.cursor{width:34px;height:34px;border:1px solid rgba(244,240,228,.7);margin:-17px 0 0 -17px;transition:width .35s var(--ease),height .35s var(--ease),margin .35s var(--ease),background .35s}
.cursor.hover{width:64px;height:64px;margin:-32px 0 0 -32px;background:rgba(244,240,228,.14);border-color:transparent}
.cursor-dot{width:4px;height:4px;background:var(--paper);margin:-2px 0 0 -2px}
@media (hover:none),(pointer:coarse){.cursor,.cursor-dot{display:none}}

/* ---------- loader ---------- */
.loader{position:fixed;inset:0;z-index:9998;background:var(--sumi);display:grid;place-items:center;color:var(--paper)}
.loader .inner{text-align:center;width:min(80vw,460px)}
.lname{overflow:hidden;margin-bottom:22px}
.lname span{display:block;font-size:clamp(1.4rem,4vw,2.3rem);letter-spacing:.42em;transform:translateY(110%)}
.lsub{color:var(--muted-d);font-size:.62rem;letter-spacing:.32em;margin-bottom:22px}
.lbar{height:1px;background:var(--line-d);position:relative;overflow:hidden}
.lbar i{position:absolute;inset:0;background:linear-gradient(90deg,var(--bamboo),var(--matcha3),var(--matcha));transform:scaleX(0);transform-origin:left}
.lnum{margin-top:14px;color:var(--muted-d)}

/* ---------- nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:900;padding:22px var(--pad);
  display:flex;align-items:center;justify-content:space-between;
  transition:background .5s var(--ease),padding .5s var(--ease);color:var(--paper)}
.nav.solid{background:rgba(28,28,22,.86);backdrop-filter:blur(18px) saturate(1.2);padding:14px var(--pad);border-bottom:1px solid var(--line-d)}
.brand{display:flex;align-items:center;gap:12px;font-size:.95rem;letter-spacing:.22em}
.brand .mk{width:22px;height:26px;flex:none;fill:none;stroke:var(--matcha3);stroke-width:1.3;transition:stroke .8s var(--ease)}
.navlinks{display:flex;gap:32px;align-items:center}
.navlinks a{font-size:.74rem;letter-spacing:.16em;color:rgba(244,240,228,.72);position:relative;padding:6px 0;transition:color .4s}
.navlinks a::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:var(--matcha3);transform:scaleX(0);transform-origin:right;transition:transform .5s var(--ease)}
.navlinks a:hover,.navlinks a[aria-current="page"]{color:var(--paper)}
.navlinks a:hover::after,.navlinks a[aria-current="page"]::after{transform:scaleX(1);transform-origin:left}
.navcta{border:1px solid var(--line-d);border-radius:100px;padding:9px 18px !important;color:var(--paper) !important}
.navcta::after{display:none}
.navcta:hover{background:var(--matcha2);border-color:var(--matcha2);color:var(--sumi) !important}
.burger{display:none;width:28px;height:16px;position:relative;z-index:951}
.burger i{position:absolute;left:0;width:100%;height:1px;background:var(--paper);transition:transform .5s var(--ease),opacity .3s}
.burger i:nth-child(1){top:0}.burger i:nth-child(2){bottom:0}
.burger.open i:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.burger.open i:nth-child(2){transform:translateY(-7.5px) rotate(-45deg)}
.menu{position:fixed;inset:0;z-index:950;background:var(--sumi2);display:grid;place-items:center;color:var(--paper);
  clip-path:circle(0% at 90% 4%);transition:clip-path .9s var(--ease);visibility:hidden}
.menu.open{clip-path:circle(150% at 90% 4%);visibility:visible}
.menu ul{list-style:none;text-align:center}
.menu li{overflow:hidden;margin:6px 0}
.menu a{display:block;font-size:clamp(1.8rem,6vw,3rem);letter-spacing:.08em;transform:translateY(110%);transition:transform .7s var(--ease),color .4s}
.menu.open a{transform:translateY(0)}
.menu li:nth-child(2) a{transition-delay:.06s}.menu li:nth-child(3) a{transition-delay:.12s}
.menu li:nth-child(4) a{transition-delay:.18s}.menu li:nth-child(5) a{transition-delay:.24s}.menu li:nth-child(6) a{transition-delay:.3s}
.menu a:hover{color:var(--matcha3)}
@media(max-width:900px){.navlinks{display:none}.burger{display:block}}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden;padding-bottom:clamp(46px,9vh,110px);background:var(--sumi);color:var(--paper)}
.hero-bg{position:absolute;inset:-12% 0 -12% 0;z-index:0;will-change:transform}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.68;filter:saturate(1.06) contrast(1.04)}
.hero::after{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(180deg,rgba(24,24,18,.78) 0%,rgba(24,24,18,.30) 38%,rgba(24,24,18,.95) 100%)}
.hero .wrap{position:relative;z-index:2;width:100%}
.eyebrow{color:var(--matcha3);margin-bottom:24px;opacity:0;transform:translateY(14px)}
.hero-title{font-size:clamp(2.5rem,7vw,6.2rem);line-height:1.08;letter-spacing:.01em;margin-bottom:clamp(34px,4.5vh,54px);font-weight:400}
.hero-title .l{display:block;overflow:hidden}
.hero-title .l>span{display:block;transform:translateY(105%)}
.hero-title em{font-style:italic;color:var(--matcha3)}
.hero-lead{max-width:48ch;color:#E4E0D2;font-size:clamp(.96rem,1.5vw,1.1rem);line-height:2.05;opacity:0;transform:translateY(18px)}
.hero-lead .jp{color:#fff}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;opacity:0;transform:translateY(18px)}
.chip{border:1px solid var(--line-d);border-radius:100px;padding:8px 18px;font-size:.7rem;letter-spacing:.1em;color:#E4E0D2;
  display:inline-flex;align-items:center;gap:9px;backdrop-filter:blur(6px);background:rgba(244,240,228,.05)}
.chip b{color:var(--matcha3);font-weight:600}
.scrollcue{position:absolute;bottom:26px;right:var(--pad);z-index:3;display:flex;align-items:center;gap:12px;color:var(--muted-d);font-size:.6rem;letter-spacing:.24em}
.scrollcue i{display:block;width:44px;height:1px;background:var(--line-d);position:relative;overflow:hidden}
.scrollcue i::after{content:"";position:absolute;inset:0;background:var(--matcha3);transform:translateX(-100%);animation:cue 2.4s var(--ease) infinite}
@keyframes cue{0%{transform:translateX(-100%)}55%{transform:translateX(0)}100%{transform:translateX(100%)}}
@media(max-width:640px){.scrollcue{display:none}}

/* ---------- sections ---------- */
.sec{padding:clamp(88px,13vh,168px) 0;position:relative}
.sec.dark{background:var(--sumi);color:var(--paper)}
.sec.matcha{background:linear-gradient(180deg,var(--matcha),#3c4d22);color:var(--paper)}
.sec-head{margin-bottom:clamp(42px,7vh,78px)}
.sec-head.center{text-align:center;margin-inline:auto;max-width:840px}
.sec-head .mono{color:var(--matcha2);display:block;margin-bottom:18px}
.sec.dark .sec-head .mono,.sec.matcha .sec-head .mono{color:var(--matcha3)}
.sec-title{font-size:clamp(1.7rem,4vw,3rem);line-height:1.36;letter-spacing:.02em;font-weight:400}
.sec-lead{max-width:60ch;color:#4A4838;margin-top:22px;line-height:2.05}
.sec.dark .sec-lead,.sec.matcha .sec-lead{color:#DcD8C8}
.sec-head.center .sec-lead{margin-inline:auto}
.hl{color:var(--matcha);font-weight:500}
.sec.dark .hl,.sec.matcha .hl{color:var(--matcha3)}

/* ---------- manifesto ---------- */
.manifesto{background:
  radial-gradient(120% 90% at 82% -10%,rgba(108,134,55,.14),transparent 60%),var(--paper2)}
.mani-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(40px,6vw,90px);align-items:center}
.quote{font-size:clamp(1.5rem,3vw,2.35rem);line-height:1.66;letter-spacing:.02em;color:var(--sumi)}
.quote em{font-style:italic;color:var(--matcha)}
.quote-by{color:var(--muted);margin-top:26px;font-size:.8rem;letter-spacing:.14em}
.big-kanji{font-size:clamp(3rem,7vw,5.4rem);letter-spacing:.2em;color:var(--matcha);opacity:.92;line-height:1;margin-bottom:20px;display:block}
@media(max-width:880px){.mani-grid{grid-template-columns:1fr;gap:34px}}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-d);border:1px solid var(--line-d)}
.stat{background:var(--sumi);padding:clamp(26px,3.4vw,44px) clamp(18px,2.4vw,30px)}
.stat .n{font-size:clamp(2.3rem,5.4vw,3.9rem);line-height:1;letter-spacing:.01em;color:var(--paper);font-weight:600;display:flex;align-items:baseline;gap:5px}
.stat .n .u{font-size:.8rem;letter-spacing:.06em;color:var(--matcha3);font-weight:500}
.stat .k{margin-top:16px;font-size:.9rem;line-height:1.6;color:var(--paper);font-weight:500}
.stat .s{margin-top:8px;font-size:.74rem;color:var(--muted-d);letter-spacing:.04em}
@media(max-width:820px){.stats{grid-template-columns:repeat(2,1fr)}}

/* ---------- marquee ---------- */
.marq{overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;background:var(--paper3)}
.marq-in{display:flex;gap:52px;white-space:nowrap;width:max-content;animation:marq 32s linear infinite}
.marq span{font-family:"Shippori Mincho B1",serif;font-size:1.05rem;letter-spacing:.14em;color:var(--muted);display:inline-flex;align-items:center;gap:52px}
.marq span::after{content:"—";color:var(--matcha2);opacity:.6}
@keyframes marq{to{transform:translateX(-50%)}}

/* ---------- image reveal ---------- */
.ph{position:relative;overflow:hidden;background:var(--paper3)}
.ph img{width:100%;height:100%;object-fit:cover;transform:scale(1.16);will-change:transform}
.ph .rev{position:absolute;inset:0;background:var(--sumi);transform-origin:top;z-index:2}
.ratio-4x5{aspect-ratio:4/5}.ratio-3x2{aspect-ratio:3/2}.ratio-1x1{aspect-ratio:1/1}.ratio-16x9{aspect-ratio:16/9}

/* ---------- the hundred cuts (signature) ---------- */
.cuts{position:relative}
.cuts-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(30px,5vw,80px);align-items:center}
.cuts-steps{border-left:1px solid var(--line-d);padding-left:0}
.cstep{position:relative;padding:18px 0 18px 34px;border-top:1px solid var(--line-d)}
.cstep:first-child{border-top:none}
.cstep .no{position:absolute;left:0;top:20px;font-family:ui-monospace,monospace;font-size:.7rem;letter-spacing:.14em;color:var(--matcha3)}
.cstep h3{font-family:"Shippori Mincho B1",serif;font-weight:500;font-size:1.16rem;margin-bottom:6px}
.cstep .rj{color:var(--matcha3);font-size:.72rem;letter-spacing:.16em;margin-bottom:8px}
.cstep p{color:#D8D4C4;font-size:.88rem;line-height:1.8}
/* the fan of tines */
.fanwrap{position:relative;aspect-ratio:1/1;display:grid;place-items:end center;padding-bottom:8%}
.fan{position:relative;width:100%;height:100%}
.fan .handle{position:absolute;left:50%;bottom:0;width:12px;height:34%;transform:translateX(-50%);
  background:linear-gradient(180deg,var(--bamboo),#9aa578);border-radius:6px 6px 3px 3px;z-index:3;
  box-shadow:0 6px 24px rgba(0,0,0,.3)}
.fan .knot{position:absolute;left:50%;bottom:31%;width:30px;height:12px;transform:translateX(-50%);
  background:var(--sumi);border-radius:8px;z-index:4;opacity:.85}
.fan .tine{position:absolute;left:50%;bottom:33%;width:2px;height:46%;transform-origin:bottom center;
  background:linear-gradient(180deg,rgba(190,199,158,0) 0%,var(--bamboo) 22%,#e7ebd6 100%);
  border-radius:2px;opacity:0;z-index:2}
.fan .tine.in{opacity:.92}
.fan-label{position:absolute;left:0;top:0;font-family:ui-monospace,monospace;font-size:.7rem;letter-spacing:.14em;color:var(--matcha3)}
.fan-count{position:absolute;right:0;top:0;text-align:right}
.fan-count b{font-family:"Cormorant Garamond",serif;font-size:2.4rem;line-height:1;color:var(--paper)}
.fan-count span{display:block;font-family:ui-monospace,monospace;font-size:.62rem;letter-spacing:.14em;color:var(--muted-d);margin-top:4px}
@media(max-width:820px){.cuts-grid{grid-template-columns:1fr;gap:30px}.fanwrap{max-width:340px;margin-inline:auto}}

/* ---------- choose your chasen ---------- */
.grades{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-bottom:clamp(30px,5vh,52px)}
.grade{background:var(--paper);padding:26px 22px 24px;cursor:pointer;position:relative;transition:background .4s}
.grade[aria-selected="true"]{background:var(--matcha);color:var(--paper)}
.grade .gj{font-family:"Shippori Mincho B1",serif;font-size:1.3rem;letter-spacing:.06em}
.grade .gt{font-family:ui-monospace,monospace;font-size:.64rem;letter-spacing:.14em;color:var(--matcha2);margin-top:6px}
.grade[aria-selected="true"] .gt{color:var(--matcha3)}
.grade .gu{font-size:.8rem;color:var(--muted);margin-top:12px;line-height:1.6}
.grade[aria-selected="true"] .gu{color:#E4E0D2}
.grade .gp{margin-top:14px;font-family:"Cormorant Garamond",serif;font-size:1.5rem;color:var(--sumi)}
.grade[aria-selected="true"] .gp{color:var(--paper)}
.grade .gp span{font-size:.72rem;color:var(--muted);font-family:ui-monospace,monospace;letter-spacing:.04em}
.grade[aria-selected="true"] .gp span{color:var(--muted-d)}
@media(max-width:820px){.grades{grid-template-columns:repeat(2,1fr)}}

.coll{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2.4vw,30px)}
.card{position:relative;display:block;background:var(--paper2);overflow:hidden;border:1px solid var(--line)}
.card .im{aspect-ratio:4/5;overflow:hidden}
.card .im img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.card:hover .im img{transform:scale(1.06)}
.card .meta{padding:20px 22px 24px}
.card .tag{font-family:ui-monospace,monospace;font-size:.62rem;letter-spacing:.2em;color:var(--matcha2);text-transform:uppercase}
.card h3{font-family:"Shippori Mincho B1",serif;font-weight:500;font-size:1.16rem;margin:10px 0 6px}
.card .en{color:var(--muted);font-size:.78rem;letter-spacing:.05em}
.card .price{margin-top:14px;font-size:.92rem;color:var(--sumi);display:flex;align-items:baseline;gap:8px}
.card .price .usd{font-size:.74rem;color:var(--muted)}
@media(max-width:820px){.coll{grid-template-columns:1fr 1fr;gap:14px}}
@media(max-width:520px){.coll{grid-template-columns:1fr}}

/* ---------- story split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,80px);align-items:center}
.split .txt h2{font-family:"Shippori Mincho B1",serif;font-weight:500;font-size:clamp(1.6rem,3.4vw,2.5rem);line-height:1.4;margin-bottom:22px}
.split .txt p{color:#D8D4C4;line-height:2.05;margin-bottom:16px}
.sign{margin-top:26px;font-family:"Shippori Mincho B1",serif;font-size:1.05rem;letter-spacing:.06em}
.sign small{display:block;color:var(--muted-d);font-size:.72rem;letter-spacing:.14em;margin-top:6px;font-family:ui-monospace,monospace}
@media(max-width:820px){.split{grid-template-columns:1fr;gap:28px}}

/* ---------- world band ---------- */
.world .wrap{position:relative;z-index:2;text-align:center;max-width:860px}
.world .big{font-family:"Shippori Mincho B1",serif;font-weight:500;font-size:clamp(1.8rem,4.4vw,3.1rem);line-height:1.5;letter-spacing:.02em;color:var(--paper)}
.world .big em{font-style:italic;color:var(--matcha3)}
.world .sub{color:#DCD8C8;margin-top:24px;line-height:2}

/* ---------- CTA / order ---------- */
.cta{text-align:center}
.btn{display:inline-flex;align-items:center;gap:12px;background:var(--matcha2);color:var(--sumi);
  padding:16px 34px;border-radius:100px;font-size:.82rem;letter-spacing:.12em;font-weight:600;
  transition:transform .5s var(--ease),background .4s;will-change:transform}
.btn:hover{background:var(--matcha3)}
.btn.ghost{background:transparent;color:var(--paper);border:1px solid var(--line-d)}
.btn.ghost:hover{border-color:var(--matcha3);color:var(--matcha3)}
.sec.light-cta .btn.ghost{color:var(--sumi);border-color:var(--line)}
.btnrow{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:34px}
.order-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-d);border:1px solid var(--line-d);margin-top:clamp(40px,6vh,64px)}
.ocell{background:var(--sumi);padding:30px 26px}
.ocell .mono{color:var(--matcha3);margin-bottom:12px;display:block}
.ocell h4{font-family:"Shippori Mincho B1",serif;font-weight:500;font-size:1.05rem;margin-bottom:10px;color:var(--paper)}
.ocell p{font-size:.9rem;line-height:1.8;color:#D8D4C4}
.ocell a{color:var(--matcha3);border-bottom:1px solid var(--line-d)}
@media(max-width:820px){.order-grid{grid-template-columns:1fr}}

/* ---------- footer ---------- */
.foot{background:var(--sumi2);color:var(--paper);border-top:1px solid var(--line-d);padding:clamp(60px,9vh,100px) 0 40px}
.foot-top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;align-items:flex-start}
.foot .bname{font-family:"Shippori Mincho B1",serif;font-size:1.5rem;letter-spacing:.14em}
.foot .bsub{color:var(--muted-d);font-size:.76rem;letter-spacing:.14em;margin-top:10px}
.foot-links{display:flex;gap:60px;flex-wrap:wrap}
.foot-col h4{font-size:.66rem;letter-spacing:.2em;color:var(--matcha3);text-transform:uppercase;margin-bottom:16px}
.foot-col a,.foot-col p{display:block;color:var(--muted-d);font-size:.84rem;margin-bottom:9px;transition:color .3s}
.foot-col a:hover{color:var(--paper)}
.foot-bar{margin-top:clamp(46px,7vh,72px);padding-top:26px;border-top:1px solid var(--line-d);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--muted-d);font-size:.7rem;letter-spacing:.06em}
.demo-note{color:var(--matcha3);opacity:.9;max-width:60ch}

/* ---------- reveal utils ---------- */
.reveal{opacity:0;transform:translateY(30px)}
.reveal-l{opacity:0;transform:translateX(-30px)}
.js .reveal,.js .reveal-l{will-change:opacity,transform}