/* ============================================================
   IMAI LAB — Sum Zero Apparatus
   palette: ink #11100E / ivory #F2E8D6 / brass #B08A4A
            bronze #2F6B63 / vermilion #B33A2E
   type:    IBM Plex Mono / Instrument Serif / Noto Serif JP
   発光表現は一切使わない。影・摩擦・印刷の手触りで組む。
   ============================================================ */

:root{
  --ink:#11100E;
  --ivory:#F2E8D6;
  --brass:#B08A4A;
  --bronze:#2F6B63;
  --vermilion:#B33A2E;
  --ink-soft:rgba(17,16,14,.72);
  --brass-line:rgba(176,138,74,.38);
  --brass-line-dim:rgba(176,138,74,.18);
  --ivory-dim:rgba(242,232,214,.6);
  --mono:'IBM Plex Mono',monospace;
  --serif-en:'Instrument Serif',serif;
  --serif-jp:'Noto Serif JP',serif;
  --sans-jp:'Noto Sans JP',sans-serif;
  --wrap:1160px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:auto}
html,body{overflow-x:clip}
body{
  background:var(--ink);
  color:var(--ivory);
  font-family:var(--serif-jp);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--vermilion);color:var(--ivory)}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-weight:500}
figure{margin:0}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 clamp(20px,4vw,48px)}
.sp{display:none}
@media (max-width:720px){.sp{display:block}.pc{display:none}}

/* ============ NAV ============ */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:50;
  display:flex;justify-content:space-between;align-items:center;
  padding:18px clamp(20px,3vw,40px);
  transition:background .4s,box-shadow .4s;
}
.nav.scrolled{
  background:rgba(17,16,14,.88);
  backdrop-filter:blur(8px);
  box-shadow:0 1px 0 var(--brass-line-dim);
}
.brand{display:flex;align-items:center;gap:12px}
.brand-yen{
  width:34px;height:34px;
  border:1px solid var(--brass-line);
  display:grid;place-items:center;
  font-family:var(--serif-en);font-size:19px;color:var(--brass);
}
.brand-tx{font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:.18em;display:flex;flex-direction:column;line-height:1.4}
.brand-tx em{font-style:normal;font-family:var(--sans-jp);font-weight:400;font-size:9px;letter-spacing:.3em;color:var(--ivory-dim)}
.nav-links{display:flex;gap:clamp(14px,2vw,28px)}
.nav-links a{
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;
  color:var(--ivory-dim);
  padding:4px 0;
  border-bottom:1px solid transparent;
  transition:color .25s,border-color .25s;
}
.nav-links a:hover{color:var(--ivory)}
.nav-links a.active{color:var(--brass);border-bottom-color:var(--brass)}
@media (max-width:880px){.nav-links a:not(:last-child){display:none}}

/* ============ HERO ============ */
.hero{
  position:relative;
  min-height:100svh;
  display:flex;flex-direction:column;
  background:var(--ink);
  overflow:hidden;
}
.hero-type{
  position:relative;z-index:2;
  text-align:center;
  padding:clamp(96px,14vh,160px) 20px 0;
}
.hero-over{
  font-family:var(--mono);font-size:clamp(10px,1.2vw,12px);
  letter-spacing:.32em;color:var(--brass);
}
.hero-title{
  font-family:var(--serif-en);
  font-size:clamp(64px,11vw,168px);
  letter-spacing:.02em;
  line-height:1.04;
  color:var(--ivory);
  margin-top:10px;
}
.mask{overflow:hidden}
.mask .line{display:inline-block;will-change:transform}

.hero-drums{
  margin-top:clamp(18px,3vh,30px);
  display:flex;justify-content:center;align-items:baseline;
  gap:clamp(10px,1.6vw,18px);
  font-family:var(--mono);
}
.drum-label{font-size:clamp(11px,1.3vw,14px);letter-spacing:.22em;color:var(--brass)}
.drum-eq{font-size:clamp(16px,2vw,22px);color:var(--ivory-dim)}
.drum{
  display:inline-flex;gap:2px;
  font-size:clamp(18px,2.6vw,30px);
  font-weight:500;
  color:var(--ivory);
}
.drum .reel{
  display:inline-block;overflow:hidden;
  height:1.25em;line-height:1.25;
  border-bottom:1px solid var(--brass-line-dim);
}
.drum .strip{display:block;will-change:transform}
.drum .strip i{display:block;font-style:normal;height:1.25em}

.hero-proof{
  margin-top:clamp(14px,2.4vh,22px);
  display:flex;justify-content:center;align-items:center;gap:10px;
  opacity:0; /* JSがドラム収束後にスタンプ表示。no-anim時はCSSで復帰 */
}
.proof-tx{font-family:var(--mono);font-size:11px;letter-spacing:.26em;color:var(--ivory-dim)}
.proof-seal{width:34px;height:auto;transform:rotate(-3deg)}

.hero-bg{
  position:relative;z-index:1;
  flex:1;min-height:42svh;
  margin-top:clamp(20px,4vh,44px);
}
.hero-bg img{
  position:absolute;inset:0;width:100%;height:112%;
  object-fit:cover;object-position:center 30%;
}
.hero-bg::before{
  content:'';position:absolute;inset:0;z-index:2;
  background:linear-gradient(to bottom,var(--ink) 0%,rgba(17,16,14,0) 26%);
}
.hero-meta{
  position:absolute;top:96px;z-index:3;
  font-family:var(--mono);font-size:10px;letter-spacing:.2em;
  line-height:1.9;color:var(--ivory-dim);
}
.hero-meta-tl{left:clamp(20px,3vw,40px)}
.hero-meta-tr{right:clamp(20px,3vw,40px);text-align:right}
.hero-hint{
  position:absolute;left:50%;bottom:26px;z-index:3;
  transform:translateX(-50%);
  display:flex;align-items:center;gap:12px;
  font-family:var(--mono);font-size:10px;letter-spacing:.3em;color:var(--ivory-dim);
}
.hint-bar{
  width:1px;height:40px;background:var(--brass-line);
  display:inline-block;
  animation:feed 2.4s ease-in-out infinite;
  transform-origin:top;
}
@keyframes feed{0%{transform:scaleY(0)}45%{transform:scaleY(1)}100%{transform:scaleY(1);opacity:0}}
@media (max-width:720px){.hero-meta{display:none}}

/* ============ SECTION COMMON ============ */
.sec{position:relative;padding:clamp(88px,13vh,150px) 0;overflow:hidden}
.sec-paper{
  background:var(--ivory) url(../assets/texture-vellum.jpg);
  background-size:512px;
  color:var(--ink);
  box-shadow:inset 0 1px 0 var(--brass-line-dim),inset 0 -1px 0 var(--brass-line-dim);
}
/* 台帳の罫線を空押し風に敷く */
.sec-paper::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(to bottom,transparent 0 35px,rgba(176,138,74,.07) 35px 36px);
}
.sec-paper .wrap{position:relative}
.sec-dark{
  background:var(--ink) url(../assets/texture-metal.jpg);
  background-size:560px;
  color:var(--ivory);
}
.sec-no{
  font-family:var(--mono);font-size:12px;letter-spacing:.18em;
  color:var(--brass);
  display:flex;align-items:center;gap:16px;
  margin-bottom:clamp(28px,4vh,44px);
}
.sec-no::after{content:'';height:1px;flex:0 0 72px;background:var(--brass-line)}
.h2{
  font-family:'Shippori Mincho B1',var(--serif-jp);font-weight:800;
  font-size:clamp(34px,5vw,68px);
  line-height:1.3;letter-spacing:.02em;
}
.sec-paper .h2{text-shadow:0 1px 0 rgba(255,255,255,.55)} /* 活版の空押し */
.h2-en{
  font-family:var(--mono);font-size:11px;letter-spacing:.3em;
  margin-top:14px;
  color:var(--bronze);
}
.sec-dark .h2-en{color:var(--brass)}

/* ============ 01 CONCEPT ============ */
.balance-rules{
  display:flex;align-items:center;gap:14px;
  margin-bottom:clamp(24px,4vh,40px);
}
.rule{height:1px;flex:1;background:var(--brass);transform-origin:left center}
.rule-r{transform-origin:right center}
.rule-pivot{font-size:9px;color:var(--brass);line-height:1}
.concept-body{
  max-width:680px;
  margin-top:clamp(30px,5vh,52px);
  display:flex;flex-direction:column;gap:1.4em;
  font-size:clamp(16px,1.4vw,17px);
}
.engrave{
  font-family:var(--mono);font-size:10px;letter-spacing:.4em;
  color:rgba(17,16,14,.34);
  margin-top:clamp(36px,6vh,60px);
}
.sec-dark .engrave,.sec-contact .engrave{color:var(--ivory-dim)}

/* ============ INTERLUDE ============ */
.interlude{
  position:relative;height:clamp(280px,52vh,560px);
  overflow:hidden;background:var(--ink);
}
.interlude img{
  position:absolute;left:0;top:-12%;width:100%;height:124%;
  object-fit:cover;
}

/* ============ 02 OFFICE / 台帳 ============ */
.ledger{margin-top:clamp(34px,5vh,56px);border-top:1px solid var(--ink)}
.ledger-row{
  display:grid;grid-template-columns:minmax(150px,220px) 1fr;
  gap:18px;align-items:baseline;
  padding:20px 4px;
  border-bottom:1px solid rgba(17,16,14,.22);
}
.ledger-row dt{
  font-weight:500;font-size:15px;letter-spacing:.1em;
  display:flex;align-items:baseline;gap:14px;
}
.ledger-row dt i{
  font-style:normal;font-family:var(--mono);font-size:10px;
  letter-spacing:.18em;color:var(--brass);
}
.ledger-row dd{font-size:clamp(15px,1.4vw,17px)}
.dd-en{font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:rgba(17,16,14,.45);margin-left:12px}
@media (max-width:600px){.ledger-row{grid-template-columns:1fr;gap:4px;padding:16px 2px}}

/* ============ 03 PEOPLE / 真鍮プレート ============ */
.plates{
  margin-top:clamp(34px,5vh,56px);
  display:grid;grid-template-columns:1fr 1fr;gap:clamp(20px,3vw,36px);
}
.plate{
  position:relative;
  padding:clamp(26px,3vw,40px);
  background:
    linear-gradient(168deg,rgba(176,138,74,.16),rgba(176,138,74,.05) 38%,rgba(17,16,14,.05) 100%),
    var(--ivory);
  border:1px solid var(--brass-line);
  box-shadow:0 14px 34px -22px rgba(17,16,14,.5),inset 0 1px 0 rgba(255,255,255,.5);
}
.plate::before{ /* 取付けネジ穴 */
  content:'';position:absolute;top:12px;left:12px;width:5px;height:5px;border-radius:50%;
  background:rgba(17,16,14,.35);box-shadow:inset 0 1px 1px rgba(17,16,14,.6);
}
.plate::after{
  content:'';position:absolute;bottom:12px;right:12px;width:5px;height:5px;border-radius:50%;
  background:rgba(17,16,14,.35);box-shadow:inset 0 1px 1px rgba(17,16,14,.6);
}
.plate-id{font-family:var(--mono);font-size:10px;letter-spacing:.24em;color:var(--bronze)}
.plate-name{
  font-size:clamp(26px,2.6vw,34px);font-weight:600;letter-spacing:.06em;
  margin-top:18px;
}
.plate-role{font-family:var(--sans-jp);font-size:12px;letter-spacing:.22em;color:var(--ink-soft);margin-top:6px}
.plate-bio{font-size:15px;margin-top:18px;max-width:34em;color:var(--ink-soft)}
.plate-seal{
  position:absolute;top:clamp(22px,2.6vw,34px);right:clamp(20px,2.4vw,32px);
  width:clamp(44px,4.6vw,58px);height:auto;
  transform:rotate(-2deg);
  transition:transform .5s cubic-bezier(.2,.8,.2,1);
}
.plate:hover .plate-seal{transform:rotate(-1.5deg) translateY(-1px)}
@media (max-width:780px){.plates{grid-template-columns:1fr}}

/* ============ 04 SERVICES ============ */
.svc-grid{
  margin-top:clamp(36px,5vh,60px);
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:clamp(18px,2.4vw,30px);
}
.svc-card{
  background:rgba(242,232,214,.03);
  border:1px solid rgba(176,138,74,.24);
  padding-bottom:24px;
}
.svc-card figure{
  overflow:hidden;aspect-ratio:4/5;
  border-bottom:1px solid rgba(176,138,74,.24);
}
.svc-card figure img{
  width:100%;height:100%;object-fit:cover;
  transform:scale(1.015);
  transition:transform 1s cubic-bezier(.2,.8,.2,1);
  filter:saturate(.92);
}
.svc-card:hover figure img{transform:scale(1.05) rotate(.6deg)}
.svc-id{font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:var(--brass);padding:18px 20px 0}
.svc-card h3{font-size:21px;font-weight:600;letter-spacing:.04em;padding:8px 20px 0}
.svc-card p:not(.svc-id){font-size:13.5px;line-height:1.85;color:var(--ivory-dim);padding:8px 20px 0}
@media (max-width:980px){.svc-grid{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.svc-grid{grid-template-columns:1fr}}

/* ============ 05 TOOLS ============ */
.sec-tools{overflow:hidden}
.sweep{ /* 検査光: 発光ではなく「暗い影の帯」が走る */
  position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(100deg,transparent 0 38%,rgba(0,0,0,.42) 50%,transparent 62% 100%);
  background-size:240% 100%;
  background-position:120% 0;
}
.sec-tools .wrap{position:relative;z-index:2}
.tools{margin-top:clamp(34px,5vh,56px);list-style:none;border-top:1px solid var(--brass-line-dim)}
.tool-row{
  display:grid;grid-template-columns:90px 1fr auto;
  gap:clamp(16px,3vw,40px);align-items:center;
  padding:clamp(22px,3vh,32px) 4px;
  border-bottom:1px solid var(--brass-line-dim);
}
.tool-id{font-family:var(--mono);font-size:11px;letter-spacing:.22em;color:var(--brass)}
.tool-tx h3{font-size:clamp(19px,2vw,24px);font-weight:600;letter-spacing:.04em}
.tool-tx p{font-size:13.5px;color:var(--ivory-dim);margin-top:4px}
.punch{display:inline-flex;gap:7px}
.punch b{
  width:9px;height:9px;border-radius:50%;
  border:1px solid var(--brass-line);
  background:transparent;
}
.punch b.on{background:var(--ivory);border-color:var(--ivory)}
@media (max-width:640px){
  .tool-row{grid-template-columns:64px 1fr}
  .punch{display:none}
}

/* ============ 06 CONTACT ============ */
.sec-contact{
  color:var(--ivory);
  padding-bottom:clamp(100px,15vh,170px);
  overflow:hidden;
}
.contact-bg{position:absolute;inset:0;z-index:0}
.contact-bg img{
  position:absolute;left:0;top:-10%;width:100%;height:120%;
  object-fit:cover;
  filter:brightness(.5) saturate(.85);
}
.contact-bg::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(to bottom,var(--ink) 0,rgba(17,16,14,.42) 30%,rgba(17,16,14,.78) 100%);
}
.sec-contact .wrap{position:relative;z-index:1}
.contact-lead{margin-top:clamp(24px,4vh,40px);font-size:clamp(15px,1.5vw,17px)}
.contact-tel{
  display:inline-block;
  margin-top:clamp(26px,4vh,44px);
  font-family:var(--mono);font-weight:500;
  font-size:clamp(38px,6.4vw,76px);
  letter-spacing:.06em;
  border-bottom:1px solid var(--brass-line);
  padding-bottom:6px;
  transition:color .3s,border-color .3s;
}
.contact-tel:hover{color:var(--brass);border-color:var(--brass)}
.contact-rows{margin-top:clamp(28px,4vh,44px);max-width:640px}
.contact-rows > div{
  display:grid;grid-template-columns:110px 1fr;gap:14px;
  padding:13px 2px;border-bottom:1px solid rgba(242,232,214,.16);
  font-size:14.5px;
}
.contact-rows dt{font-family:var(--mono);font-size:10px;letter-spacing:.24em;color:var(--brass);align-self:center}
.contact-cta{
  margin-top:clamp(36px,6vh,60px);
  display:flex;align-items:stretch;gap:18px;flex-wrap:wrap;
}
.cta-stamp{
  background:var(--vermilion);color:var(--ivory);
  padding:20px 34px;
  display:flex;flex-direction:column;gap:4px;
  font-size:16px;font-weight:600;letter-spacing:.14em;
  border:1px solid var(--vermilion);
  box-shadow:0 10px 26px -14px rgba(179,58,46,.8);
  transition:transform .25s,box-shadow .25s;
}
.cta-stamp span{font-family:var(--mono);font-size:9px;font-weight:400;letter-spacing:.24em;opacity:.8}
.cta-stamp:hover{transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(179,58,46,.9)}
.cta-ghost{
  padding:20px 34px;
  display:flex;flex-direction:column;gap:4px;justify-content:center;
  font-size:14px;letter-spacing:.14em;
  border:1px solid rgba(242,232,214,.3);
  transition:border-color .3s,color .3s;
}
.cta-ghost span{font-family:var(--mono);font-size:9px;letter-spacing:.24em;color:var(--ivory-dim)}
.cta-ghost:hover{border-color:var(--ivory)}
.contact-proof{
  margin-top:clamp(48px,8vh,80px);
  display:flex;align-items:center;gap:16px;
}
.proof-seal-lg{width:clamp(56px,6vw,76px);transform:rotate(-3deg)}

/* ============ FOOTER ============ */
.foot{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:26px clamp(20px,3vw,40px);
  border-top:1px solid var(--brass-line-dim);
  font-family:var(--mono);font-size:10px;letter-spacing:.2em;
  color:var(--ivory-dim);background:var(--ink);
}

/* ============ GRAIN（印刷の紙粒） ============ */
.grain{
  position:fixed;inset:-50%;z-index:58;pointer-events:none;
  width:200%;height:200%;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.92' numOctaves='2'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
  opacity:.045;mix-blend-mode:overlay;
}

/* ============ CURSOR（真鍮の照準） ============ */
.cursor{
  position:fixed;left:0;top:0;z-index:70;pointer-events:none;
  width:34px;height:34px;margin:-17px 0 0 -17px;
  display:none;place-items:center;
}
.cursor.alive{display:grid}
.cursor::before{
  content:'';position:absolute;inset:8px;
  border:1px solid var(--brass);border-radius:50%;
  transition:inset .25s cubic-bezier(.2,.8,.2,1),opacity .25s;
}
.cursor::after{
  content:'';position:absolute;left:50%;top:50%;
  width:3px;height:3px;margin:-1.5px 0 0 -1.5px;border-radius:50%;
  background:var(--brass);
  transition:opacity .2s;
}
.cursor-yen{
  font-family:var(--serif-en);font-size:13px;color:var(--vermilion);
  opacity:0;transform:scale(.4);
  transition:opacity .22s,transform .22s cubic-bezier(.2,.8,.2,1);
}
.cursor.is-link::before{inset:0;border-color:var(--vermilion)}
.cursor.is-link::after{opacity:0}
.cursor.is-link .cursor-yen{opacity:1;transform:scale(1)}
@media (pointer:coarse){.cursor{display:none!important}}

/* ============ GAUGE（左端の計測ルーラー） ============ */
.gauge{
  position:fixed;left:14px;top:0;bottom:0;z-index:40;
  width:18px;pointer-events:none;
}
.gauge-rail{
  position:absolute;left:8px;top:0;bottom:0;width:1px;
  background:
    repeating-linear-gradient(to bottom,
      var(--brass-line) 0 1px,transparent 1px 14px) ,
    var(--brass-line-dim);
}
.gauge-carriage{
  position:absolute;left:0;top:6%;
  display:flex;align-items:center;gap:5px;
  color:var(--brass);
}
.gauge-carriage b{font-size:8px;font-weight:400;line-height:1}
.gauge-carriage i{
  font-style:normal;font-family:var(--mono);font-size:9px;letter-spacing:.16em;
  writing-mode:vertical-rl;
}
@media (max-width:1100px){.gauge{display:none}}

/* ============ SOUND TOGGLE ============ */
.sound-toggle{
  display:flex;align-items:center;gap:8px;
  background:none;border:1px solid var(--brass-line-dim);
  padding:8px 14px;
  font-family:var(--mono);font-size:10px;letter-spacing:.2em;
  color:var(--ivory-dim);cursor:pointer;
  transition:border-color .3s,color .3s;
}
.sound-toggle:hover{border-color:var(--brass-line);color:var(--ivory)}
.sound-toggle b{font-weight:600;color:var(--brass);min-width:24px;text-align:left}
.st-mark{
  width:6px;height:6px;border-radius:50%;
  border:1px solid var(--brass);background:transparent;
  transition:background .3s;
}
.sound-toggle.on .st-mark{background:var(--vermilion);border-color:var(--vermilion)}
@media (max-width:880px){.sound-toggle{display:none}}

/* ============ INTERLUDE CAPTION ============ */
.interlude-cap{
  position:absolute;right:clamp(16px,3vw,40px);bottom:14px;z-index:2;
  font-family:var(--mono);font-size:9px;letter-spacing:.26em;
  color:rgba(242,232,214,.55);
}

/* ============ GEARS（SVG歯車・発光なし線画） ============ */
.gear-slot{position:absolute;pointer-events:none;z-index:0}
.gear-slot svg{display:block}
.gear-slot polygon,.gear-slot circle,.gear-slot line{
  fill:none;stroke-width:1.1;vector-effect:non-scaling-stroke;
}
.gear-slot-concept{right:-180px;top:46%;opacity:.85}
.gear-slot-concept polygon,.gear-slot-concept circle,.gear-slot-concept line{stroke:rgba(17,16,14,.16)}
.gear-slot-tools{left:-120px;bottom:-140px;display:flex;align-items:flex-end;opacity:.5}
.gear-slot-tools .gear-b{margin-left:-26px;margin-bottom:120px}
.gear-slot-tools polygon,.gear-slot-tools circle,.gear-slot-tools line{stroke:rgba(176,138,74,.42)}
@media (max-width:880px){.gear-slot{display:none}}

/* ============ 06 CONSOLE（触れる複式簿記） ============ */
.sec-console{padding-top:clamp(56px,8vh,90px)}
.interlude-thin{height:clamp(180px,32vh,340px)}

/* 真鍮歯車フォト（純黒背景をscreen合成で溶かす） */
.gear-photo{
  position:absolute;right:-120px;top:-110px;z-index:0;
  width:min(380px,30vw);
  mix-blend-mode:screen;opacity:.95;
  pointer-events:none;
}
.gear-photo img{width:100%;height:auto}
@media (max-width:880px){.gear-photo{display:none}}
.console-lead{margin-top:clamp(22px,3.5vh,36px);font-size:clamp(15px,1.5vw,17px);color:var(--ivory-dim)}
.console{
  margin-top:clamp(34px,5vh,54px);
  max-width:680px;
  position:relative;
  padding:clamp(28px,4vw,48px);
  background:
    linear-gradient(172deg,rgba(176,138,74,.1),rgba(176,138,74,.03) 40%,rgba(0,0,0,.25)),
    var(--ink) url(../assets/texture-metal.jpg);
  background-size:auto,auto,560px;
  border:1px solid var(--brass-line);
  box-shadow:0 30px 60px -38px rgba(0,0,0,.9),inset 0 1px 0 rgba(242,232,214,.08);
}
.console::before,.console::after{ /* パネルのリベット */
  content:'';position:absolute;width:6px;height:6px;border-radius:50%;
  background:rgba(176,138,74,.5);box-shadow:inset 0 -1px 1px rgba(0,0,0,.7);
}
.console::before{top:10px;left:10px}
.console::after{top:10px;right:10px}
.console-row{
  display:flex;align-items:center;gap:clamp(14px,2.5vw,26px);
  padding:10px 0;
}
.c-label{
  font-family:var(--mono);font-size:13px;letter-spacing:.22em;color:var(--brass);
  display:flex;flex-direction:column;line-height:1.5;min-width:54px;
}
.c-label em{font-style:normal;font-family:var(--sans-jp);font-size:9px;letter-spacing:.3em;color:var(--ivory-dim)}
.drum-console{
  font-size:clamp(22px,3.4vw,34px);
  background:linear-gradient(to bottom,rgba(0,0,0,.55),rgba(0,0,0,.15) 30%,rgba(0,0,0,.15) 70%,rgba(0,0,0,.55));
  border:1px solid var(--brass-line-dim);
  padding:6px 12px;
}
.beam-wrap{display:flex;justify-content:center;margin:4px 0}
.beam{width:min(320px,70%);height:auto}
.beam-bar{stroke:var(--brass);stroke-width:2}
.beam-pivot{fill:var(--brass)}
.beam-pan{fill:none;stroke:var(--brass-line);stroke-width:1}
.console-keys{
  margin-top:clamp(18px,3vh,28px);
  display:flex;gap:10px;flex-wrap:wrap;
}
.console-keys button{
  font-family:var(--mono);font-size:13px;letter-spacing:.1em;
  color:var(--ivory);background:rgba(242,232,214,.05);
  border:1px solid var(--brass-line);
  padding:13px 20px;cursor:pointer;
  box-shadow:0 3px 0 rgba(176,138,74,.35);
  transition:transform .08s,box-shadow .08s,background .3s;
}
.console-keys button:hover{background:rgba(176,138,74,.16)}
.console-keys button:active{transform:translateY(3px);box-shadow:0 0 0 rgba(0,0,0,0)}
.stamp-btn{
  margin-top:clamp(20px,3vh,30px);
  display:inline-flex;align-items:center;gap:14px;
  background:var(--vermilion);color:var(--ivory);
  border:1px solid var(--vermilion);
  padding:14px 26px;cursor:pointer;
  box-shadow:0 4px 0 rgba(110,30,22,.9);
  transition:transform .08s,box-shadow .08s;
}
.stamp-btn b{
  font-family:var(--serif-jp);font-weight:600;font-size:22px;
  width:38px;height:38px;border:1.5px solid var(--ivory);
  display:grid;place-items:center;
}
.stamp-btn span{font-family:var(--mono);font-size:11px;letter-spacing:.24em}
.stamp-btn:active,.stamp-btn.pressed{transform:translateY(4px);box-shadow:0 0 0 rgba(0,0,0,0)}
.ticket{
  margin-top:clamp(20px,3vh,30px);
  min-height:2.4em;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;line-height:1.8;
  color:var(--ink);
  background:var(--ivory) url(../assets/texture-vellum.jpg);background-size:380px;
  padding:10px 16px;
  border-left:3px solid var(--vermilion);
  box-shadow:0 8px 18px -12px rgba(0,0,0,.8);
}
.ticket:empty{visibility:hidden}
.console-seal{
  position:absolute;right:clamp(18px,3vw,40px);bottom:clamp(18px,3vw,40px);
  width:clamp(54px,6vw,72px);opacity:0;
  transform:rotate(-4deg);
}

/* ============ JOURNAL（来訪記帳テープ） ============ */
.journal{
  position:fixed;left:0;right:0;bottom:0;z-index:55;
  height:30px;overflow:hidden;
  background:var(--ivory) url(../assets/texture-vellum.jpg);background-size:380px;
  border-top:1px solid rgba(17,16,14,.3);
  box-shadow:0 -8px 20px -12px rgba(0,0,0,.55);
}
.journal::before,.journal::after{
  content:'';position:absolute;left:0;right:0;height:7px;z-index:2;pointer-events:none;
  background-image:radial-gradient(circle 2.5px at 7px 50%,rgba(17,16,14,.55) 95%,transparent);
  background-size:26px 7px;background-repeat:repeat-x;
}
.journal::before{top:1px}
.journal::after{bottom:1px}
.journal-track{
  display:inline-flex;white-space:nowrap;
  height:30px;align-items:center;
  font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;
  color:rgba(17,16,14,.78);
}
.journal-track span{padding-right:40px}
.journal-track.run{animation:tape var(--tape-dur,30s) linear infinite}
@keyframes tape{to{transform:translateX(calc(-1 * var(--tape-w,600px) - 40px))}}
.foot{padding-bottom:64px}

/* ============ MOTION SAFETY ============ */
/* JS不達・reduced-motion時もコンテンツは常に可読 */
.no-anim .hero-proof{opacity:1}
.no-anim .hint-bar{animation:none}
@media (prefers-reduced-motion:reduce){
  .hint-bar{animation:none}
  .svc-card figure img,.plate-seal,.cta-stamp{transition:none}
}