/* ═══════════════════════════════════════════════
   麵屋六花 CSS v5 — SVG currentColor 版
   所有 logo/kamon 皆為 SVG + currentColor
   用 CSS color 屬性直接控制顏色，零背景，零方框
   ═══════════════════════════════════════════════ */
:root{
  --ink:#1c1812; --ink-m:#242018; --ink-s:#3a3228;
  --gold:#c8a84c; --dim:#7a6428; --dim2:#5a4818;
  --washi:#ede5d0; --fog:#f5f0e8;
  --red:#8a1818;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overscroll-behavior-y:none}
body{background:var(--ink);color:var(--washi);
  font-family:'Noto Serif JP','Zen Antique Soft',serif;
  line-height:1.9;overflow-x:hidden;overscroll-behavior-y:none;
  -webkit-font-smoothing:antialiased}
::-webkit-scrollbar{width:2px}
::-webkit-scrollbar-track{background:var(--ink)}
::-webkit-scrollbar-thumb{background:var(--gold)}

.grain{position:fixed;inset:0;pointer-events:none;z-index:9000;opacity:.04;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23g)'/%3E%3C/svg%3E");
  background-size:200px;mix-blend-mode:overlay}

/* ─── LOADER ─────────────────────────────────── */
#loader{position:fixed;inset:0;z-index:9999;background:var(--ink);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.4rem;
  transition:opacity .8s ease,visibility .8s ease}
#loader.gone{opacity:0;visibility:hidden;pointer-events:none}
#loader.gone .ld-kamon,
#loader.gone .ld-logo,
#loader.gone .ld-sub{animation:none}

/* kamon in loader: gold */
.ld-kamon{color:var(--gold);opacity:0;
  animation:fadeIn .6s .2s ease forwards,spin 10s linear infinite;
  filter:drop-shadow(0 0 20px rgba(200,168,76,.4))}

/* logo_sq in loader: white (currentColor=white via CSS color) */
.ld-logo{color:#fff;display:block;opacity:0;
  width:clamp(200px,28vw,260px);height:auto;
  animation:fadeIn 1s .7s ease forwards}

.ld-sub{font-family:'Noto Sans JP',sans-serif;font-weight:100;font-size:.6rem;
  letter-spacing:.55em;color:var(--dim);text-transform:uppercase;
  opacity:0;animation:fadeIn .6s 1.4s ease forwards}

/* ─── HEADER ─────────────────────────────────── */
#hdr{position:fixed;top:0;left:0;right:0;z-index:500;transition:background .4s}
#hdr.scrolled{background:rgba(28,24,18,.93);backdrop-filter:blur(14px)}
.nav{display:flex;align-items:center;justify-content:space-between;
  padding:.85rem clamp(1.2rem,5vw,4rem)}

.nav-mark{display:flex;align-items:center}
/* nav kamon: gold */
.nav-kamon{color:var(--gold);display:block;
  transition:transform .8s ease,filter .3s;
  filter:drop-shadow(0 0 5px rgba(200,168,76,.25))}
.nav-mark:hover .nav-kamon{transform:rotate(60deg);
  filter:drop-shadow(0 0 14px rgba(200,168,76,.7))}

.nav-links{display:flex;list-style:none;gap:clamp(1rem,4vw,3rem)}
.nav-links a{font-family:'Noto Serif JP',serif;font-weight:300;font-size:.86rem;
  letter-spacing:.12em;color:rgba(237,229,208,.65);text-decoration:none;
  position:relative;padding-bottom:2px;transition:color .3s}
.nav-links a::after{content:'';position:absolute;bottom:0;left:0;right:0;
  height:.4px;background:var(--gold);transform:scaleX(0);
  transform-origin:left;transition:transform .35s ease}
.nav-links a:hover{color:var(--washi)}
.nav-links a:hover::after{transform:scaleX(1)}

.nav-open{display:flex;align-items:center;gap:.45rem}
.open-dot{width:5px;height:5px;border-radius:50%;background:#4aaa6a;
  box-shadow:0 0 7px #4aaa6a;animation:pulse 2.2s ease-in-out infinite}
.open-lbl{font-family:'Noto Sans JP',sans-serif;font-weight:100;
  font-size:.56rem;letter-spacing:.3em;color:#4aaa6a}

/* ─── HERO ───────────────────────────────────── */
.hero{position:relative;min-height:100svh;display:flex;
  align-items:center;justify-content:center;overflow:hidden;
  background:radial-gradient(ellipse 65% 75% at 50% 50%,
    rgba(200,168,76,.04) 0%,transparent 70%),var(--ink)}

#steam{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}

.vstrip{position:absolute;top:0;bottom:0;
  display:flex;flex-direction:column;align-items:center;
  justify-content:center;gap:1.2rem;padding:90px 0 60px;z-index:2}
.vstrip-l{left:clamp(.8rem,3vw,3.5rem)}
.vstrip-r{right:clamp(.8rem,3vw,3.5rem)}

/* logo_v in strip: white, semi-transparent */
.vstrip-l{color:rgba(255,255,255,.45)}
.vs-logo-v{display:block;width:clamp(16px,2vw,26px);height:auto}

.vs-line{flex:1;width:.4px;
  background:linear-gradient(to bottom,transparent,
    rgba(200,168,76,.22) 25%,rgba(200,168,76,.22) 75%,transparent)}
.vs-text{display:flex;flex-direction:column;align-items:center;writing-mode:vertical-rl}
.vs-text span{font-family:'Noto Serif JP',serif;font-weight:200;
  font-size:clamp(.52rem,1vw,.76rem);color:rgba(200,168,76,.28);letter-spacing:.25em}
.vs-gap{letter-spacing:1.1em}

.hero-centre{position:relative;z-index:2;
  display:flex;flex-direction:column;align-items:center;
  padding:1.5rem 1rem;text-align:center}

/* THE hero logo: currentColor → white. Zero background. Floats free. */
.hero-logo{
  color:#fff;
  width:clamp(260px,42vw,520px);height:auto;
  opacity:0;
  animation:logoIn 1.4s 1.8s cubic-bezier(.16,1,.3,1) forwards;
  filter:drop-shadow(0 20px 60px rgba(0,0,0,.5))}

.hero-en{font-family:'Noto Sans JP',sans-serif;font-weight:100;
  font-size:clamp(.5rem,1vw,.64rem);letter-spacing:.55em;
  color:rgba(200,168,76,.42);text-transform:uppercase;margin:.6rem 0 1.2rem}
.hero-meta{display:flex;align-items:center;gap:.7rem;flex-wrap:wrap;justify-content:center}
.hero-meta span{font-family:'Noto Sans JP',sans-serif;font-weight:100;
  font-size:clamp(.48rem,.95vw,.62rem);letter-spacing:.22em;
  color:rgba(200,168,76,.4)}
.hm-dot{font-size:.35rem;color:rgba(200,168,76,.16)!important}

.hero-down{display:block;margin-top:2.5rem;width:1px;height:48px;
  background:rgba(200,168,76,.12);overflow:hidden;text-decoration:none}
.hd-fill{width:100%;background:var(--gold);
  animation:scrollFill 2.4s ease-in-out infinite}
@keyframes scrollFill{
  0%{height:0;transform:translateY(0);opacity:1}
  60%{height:48px;transform:translateY(0);opacity:1}
  100%{height:48px;transform:translateY(48px);opacity:0}}

/* ─── CONCEPT ────────────────────────────────── */
.s-concept{background:var(--fog);color:var(--ink);
  padding:clamp(5rem,12vw,10rem) clamp(1.5rem,8vw,8rem);
  position:relative;overflow:hidden}

/* kamon watermark: currentColor → very faint ink on fog */
.kamon-bg{position:absolute;pointer-events:none;opacity:.1}
.kamon-bg img{opacity:1}
.kamon-bg-r{top:50%;right:-6%;transform:translateY(-50%)}
.kamon-bg-r img{width:clamp(280px,50vw,660px);height:auto;
  animation:spin 90s linear infinite}

/* kamon colour on each section */
.s-concept .kamon-bg img{color:rgba(28,24,18,.07)}
.s-menu    .kamon-bg img{color:rgba(200,168,76,.05)}
.s-rules   .kamon-bg img{color:rgba(28,24,18,.06)}

.concept-wrap{max-width:1080px;margin:0 auto;
  display:grid;grid-template-columns:clamp(40px,6vw,78px) 1fr;
  gap:clamp(2rem,6vw,6rem);align-items:center;position:relative;z-index:2}

/* logo_v in concept: currentColor → ink colour. Sits on cream bg, fully transparent. */
.concept-logo-v{display:block;color:var(--ink-s);
  width:clamp(30px,4.5vw,60px);height:auto;
  opacity:.82}

.eyebrow{font-family:'Noto Sans JP',sans-serif;font-weight:100;
  font-size:.62rem;letter-spacing:.42em;color:var(--dim);margin-bottom:.8rem}
.eyebrow--dk{color:var(--dim)}
.sec-title{font-family:'Noto Serif JP',serif;font-weight:300;
  font-size:clamp(1.5rem,3.8vw,2.6rem);color:var(--ink);
  line-height:1.45;letter-spacing:.04em;margin-bottom:1.8rem}
.sec-title--lgt{color:var(--washi)}
.body-copy p{font-family:'Noto Serif JP',serif;font-weight:300;
  font-size:clamp(.85rem,1.5vw,.96rem);line-height:2.4;color:#3d3428;margin-bottom:1rem}

.figs{display:flex;align-items:center;
  margin-top:2.5rem;padding-top:1.5rem;border-top:.5px solid rgba(28,24,18,.12)}
.fig{flex:1;display:flex;flex-direction:column;align-items:center;gap:.15rem}
.fig b{font-family:'Noto Serif JP',serif;font-weight:200;
  font-size:clamp(1.7rem,3.8vw,2.8rem);color:var(--red);line-height:1}
.fig small{font-family:'Noto Serif JP',serif;font-weight:300;font-size:.82rem;color:var(--ink-s)}
.fig span{font-family:'Noto Sans JP',sans-serif;font-weight:100;
  font-size:.55rem;letter-spacing:.18em;color:#8a7860}
.fig-div{width:.4px;height:52px;background:rgba(28,24,18,.14);flex-shrink:0}

/* ─── MENU ───────────────────────────────────── */
.s-menu{background:var(--ink-m);
  padding:clamp(5rem,12vw,9rem) clamp(1.5rem,8vw,8rem);
  position:relative;overflow:hidden}
.kamon-bg-l{top:50%;left:-6%;transform:translateY(-50%)}
.kamon-bg-l img{width:clamp(240px,44vw,540px);height:auto;
  animation:spin 100s linear infinite reverse}

.menu-wrap{max-width:820px;margin:0 auto;position:relative;z-index:2}

.menu-head{display:flex;align-items:center;gap:1rem;
  justify-content:center;margin-bottom:.6rem}
/* kamon in menu head: gold */
.mh-k{color:var(--gold);opacity:.5;
  filter:drop-shadow(0 0 4px rgba(200,168,76,.35))}

.menu-note{text-align:center;font-family:'Noto Serif JP',serif;font-weight:300;
  font-size:.76rem;letter-spacing:.14em;color:rgba(200,168,76,.38);margin-bottom:3rem}
.menu-note small{font-family:'Noto Sans JP',sans-serif;font-weight:100;font-size:.62rem}

.menu-list{margin-bottom:2rem}
.mi{display:grid;grid-template-columns:34px 1fr 1fr auto;
  gap:.65rem 1rem;align-items:center;
  padding:1rem 0;border-bottom:.4px solid rgba(200,168,76,.09);
  position:relative;transition:background .2s}
.mi::before{content:'';position:absolute;left:-1.2rem;top:0;bottom:0;
  width:2px;background:var(--gold);opacity:0;transition:opacity .2s}
.mi:hover{background:rgba(200,168,76,.03)}
.mi:hover::before{opacity:1}
.mi--sp{background:rgba(138,24,24,.04)}

.mi-i{font-family:'Noto Serif JP',serif;font-weight:300;
  font-size:.96rem;color:rgba(200,168,76,.36);text-align:center}
.mi-n{font-family:'Noto Serif JP',serif;font-weight:600;
  font-size:clamp(.88rem,1.7vw,1.04rem);color:var(--washi);
  letter-spacing:.04em;display:flex;align-items:center;gap:.35rem;flex-wrap:wrap}
.mi-n em{font-style:normal;font-weight:300;font-size:.68rem;
  color:rgba(237,229,208,.4);letter-spacing:.1em}
.tag{font-family:'Noto Sans JP',sans-serif;font-weight:400;font-size:.46rem;
  padding:1px 5px;border:.4px solid rgba(200,168,76,.36);color:var(--gold)}
.tag--r{border-color:rgba(200,80,60,.36);color:#e06050}
.tag--g{border-color:rgba(200,168,76,.6);color:var(--gold);background:rgba(200,168,76,.08)}
.mi-d{font-family:'Noto Serif JP',serif;font-weight:300;
  font-size:.72rem;color:rgba(200,186,160,.46);line-height:1.6}
.mi-p{font-family:'Noto Sans JP',sans-serif;font-weight:100;
  font-size:.66rem;color:var(--gold);text-align:right;white-space:nowrap}
.mi-p b{display:block;font-family:'Noto Serif JP',serif;
  font-weight:600;font-size:1.2rem;line-height:1.1}

.toppings{padding-top:1.4rem;border-top:.4px solid rgba(200,168,76,.1)}
.tp-h{font-family:'Noto Serif JP',serif;font-weight:300;
  font-size:.78rem;color:rgba(200,168,76,.5);letter-spacing:.18em;margin-bottom:.7rem}
.tp-h span{font-family:'Noto Sans JP',sans-serif;font-weight:100;font-size:.6rem;color:var(--dim)}
.tp-row{display:flex;flex-wrap:wrap;gap:.35rem 1.8rem;align-items:baseline}
.tp-row span{font-family:'Noto Serif JP',serif;font-weight:300;
  font-size:.76rem;color:rgba(200,186,160,.56)}
.tp-row span em{font-style:normal;font-size:.6rem;color:rgba(200,186,160,.3)}
.tp-row b{font-family:'Noto Serif JP',serif;font-weight:600;
  font-size:.78rem;color:var(--gold);margin-left:-1.4rem}

/* ─── RULES ──────────────────────────────────── */
.s-rules{background:var(--fog);color:var(--ink);
  padding:clamp(5rem,12vw,9rem) clamp(1.5rem,8vw,8rem);
  position:relative;overflow:hidden}
.kamon-bg-rules{left:-4%}

.rules-wrap{max-width:740px;margin:0 auto;position:relative;z-index:2}
.rules-ol{list-style:none;margin:2.5rem 0;display:flex;flex-direction:column}
.rl{display:grid;grid-template-columns:48px 1fr;gap:1.1rem;
  align-items:start;padding:1.35rem 0;border-bottom:.4px solid rgba(28,24,18,.1)}
.rl-n{font-family:'Zen Antique Soft','Noto Serif JP',serif;
  font-size:1.8rem;font-weight:400;color:rgba(28,24,18,.17);line-height:1;padding-top:.1rem}
.rl strong{font-family:'Noto Serif JP',serif;font-weight:600;
  font-size:clamp(.88rem,1.7vw,1rem);color:var(--ink);display:block;margin-bottom:.2rem}
.rl p{font-family:'Noto Serif JP',serif;font-weight:300;
  font-size:.74rem;color:#8a7060;line-height:1.7}
.rules-note{font-family:'Noto Serif JP',serif;font-weight:300;
  font-size:.82rem;line-height:2.2;color:#7a6858;margin-top:.5rem}
.rules-note strong{color:var(--ink);font-weight:600}
.rules-sign{font-family:'Noto Serif JP',serif;font-weight:400;
  font-size:.86rem;color:var(--dim);letter-spacing:.18em;
  text-align:center;margin-top:1.8rem}

/* ─── ACCESS ─────────────────────────────────── */
.s-access{background:var(--ink);
  padding:clamp(5rem,12vw,9rem) clamp(1.5rem,8vw,8rem)}
.access-wrap{max-width:1080px;margin:0 auto;
  display:grid;grid-template-columns:1fr clamp(220px,32vw,380px);
  gap:clamp(3rem,8vw,8rem);align-items:center}

.hours-block{margin:2rem 0 2.5rem}
.hb-main{font-family:'Noto Serif JP',serif;font-weight:200;
  font-size:clamp(1.6rem,4vw,2.6rem);color:var(--washi);
  letter-spacing:.06em;margin-bottom:.5rem}
.hb-lo,.hb-noon{font-family:'Noto Serif JP',serif;font-weight:300;
  font-size:.84rem;color:rgba(200,168,76,.6);letter-spacing:.1em}
.hb-lo span,.hb-noon span,.hb-note span{font-family:'Noto Sans JP',sans-serif;
  font-weight:100;font-size:.58rem;color:var(--dim)}
.hb-note{font-family:'Noto Serif JP',serif;font-weight:300;
  font-size:.7rem;color:rgba(200,168,76,.35);margin-top:.4rem}
.access-dl{display:grid;grid-template-columns:72px 1fr;gap:.45rem 1.1rem}
.access-dl dt{font-family:'Noto Sans JP',sans-serif;font-weight:100;
  font-size:.55rem;letter-spacing:.28em;color:var(--dim);
  padding-top:.25rem;text-transform:uppercase;align-self:start}
.access-dl dd{font-family:'Noto Serif JP',serif;font-weight:300;
  font-size:.84rem;color:rgba(200,186,160,.75);line-height:1.8;margin:0}
.access-dl dd small{font-family:'Noto Sans JP',sans-serif;font-weight:100;
  font-size:.58rem;color:var(--dim);display:block}

.access-logo-col{display:flex;flex-direction:column;align-items:center;gap:1rem}
/* logo_sq in access: white, floating free */
.access-logo{color:#fff;width:100%;max-width:380px;height:auto;
  animation:float 7s ease-in-out infinite;
  filter:drop-shadow(0 20px 60px rgba(0,0,0,.45))}
.access-cap{font-family:'Noto Serif JP',serif;font-weight:300;
  font-size:.84rem;color:rgba(200,168,76,.4);text-align:center;
  letter-spacing:.15em;line-height:1.9}
.access-cap span{font-family:'Noto Sans JP',sans-serif;font-weight:100;
  font-size:.54rem;letter-spacing:.4em;color:var(--dim2);
  display:block;text-transform:uppercase}

/* ─── FOOTER ─────────────────────────────────── */
.footer{background:#100e0a;
  padding:clamp(3rem,8vw,5rem) clamp(1.5rem,8vw,8rem);
  display:flex;flex-direction:column;align-items:center;gap:1.5rem;
  border-top:.4px solid rgba(200,168,76,.1)}

.ft-kamons{display:flex;align-items:center;gap:1.1rem}
/* footer kamons: muted gold */
.ft-k{color:rgba(200,168,76,.4)}
.ft-k-sm{opacity:.6}
.ft-k-md{opacity:1;color:rgba(200,168,76,.55)}

/* footer logo: muted white */
.ft-logo{color:rgba(255,255,255,.65);display:block;opacity:.72}

.ft-nav{display:flex;align-items:center;gap:1.8rem}
.ft-nav a{font-family:'Noto Serif JP',serif;font-weight:200;
  font-size:.78rem;color:rgba(200,168,76,.28);text-decoration:none;
  letter-spacing:.12em;transition:color .3s}
.ft-nav a:hover{color:var(--gold)}
.ft-copy{font-family:'Noto Serif JP',serif;font-weight:300;
  font-size:.68rem;color:rgba(200,168,76,.16);
  text-align:center;line-height:2;letter-spacing:.1em}
.ft-copy small{font-family:'Noto Sans JP',sans-serif;font-weight:100;
  font-size:.52rem;letter-spacing:.25em;display:block}

/* ─── keyframes ──────────────────────────────── */
@keyframes fadeIn{to{opacity:1}}
@keyframes spin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}
@keyframes logoIn{
  from{opacity:0;transform:scale(.94) translateY(14px)}
  to  {opacity:1;transform:none}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@keyframes pulse{
  0%,100%{opacity:1;box-shadow:0 0 7px #4aaa6a}
  50%    {opacity:.4;box-shadow:0 0 3px #4aaa6a}}

/* ─── reveals ─────────────────────────────────── */
.reveal-u,.reveal-l,.reveal-r{opacity:0;transition:opacity .85s ease,transform .85s ease}
.reveal-u{transform:translateY(20px)}
.reveal-l{transform:translateX(-20px)}
.reveal-r{transform:translateX(20px)}
.reveal-u.in,.reveal-l.in,.reveal-r.in{opacity:1;transform:none}
[data-d="1"]{transition-delay:.12s}[data-d="2"]{transition-delay:.24s}
[data-d="3"]{transition-delay:.36s}[data-d="4"]{transition-delay:.48s}
[data-d="5"]{transition-delay:.60s}[data-d="6"]{transition-delay:.72s}
[data-d="7"]{transition-delay:.84s}

/* ─── responsive ─────────────────────────────── */
@media(max-width:860px){
  .concept-wrap{grid-template-columns:1fr}.concept-logo-col{display:none}
  .access-wrap{grid-template-columns:1fr}.access-logo-col{order:-1}
  .access-logo{max-width:220px}
  .hero-logo{width:clamp(260px,78vw,340px)}
  .ld-logo{width:clamp(220px,60vw,260px)}
  .kamon-bg{opacity:.05}
  .s-menu .kamon-bg{opacity:.03}
  .kamon-bg img{opacity:1;animation:none}
  .access-logo{animation:none}
  .mi{grid-template-columns:30px 1fr auto}.mi-d{display:none}
}
@media(max-width:560px){
  .vstrip{display:none}.hero-meta{gap:.5rem}
  .hero-centre{padding:4.5rem 1rem 2rem}
  .hero-logo{width:clamp(270px,82vw,330px)}
  .hero-en{letter-spacing:.38em}
  .hero-down{margin-top:1.8rem;height:40px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .ld-kamon,.ld-logo,.ld-sub,.hero-logo,
  .reveal-u,.reveal-l,.reveal-r{opacity:1!important;transform:none!important}
  .hd-fill{height:100%;opacity:.7;transform:none!important}
}