/* =========================================================
   I♡ SERIES — special site
   Design system
   ========================================================= */

:root{
  /* color */
  --bg:        #FFFFFF;   /* base white */
  --bg-2:      #FFFFFF;   /* section white */
  --bg-ink:    #161311;   /* near-black warm panel */
  --ink:       #1A1714;   /* body charcoal */
  --ink-soft:  #6E665C;   /* muted */
  --ink-faint: #B7AE9F;   /* faint labels */
  --line:      #DCD4C6;   /* hairlines */
  --red:       #E60023;   /* iconic brand red */
  --red-deep:  #B8001C;
  --pink:      #FF4D8D;   /* dot / particle pink */
  --pink-soft: #FF8FBA;

  /* type */
  --f-display: "ITC Avant Garde Gothic Std", "ITC Avant Garde Gothic", "Avant Garde Gothic", "Futura", "Avenir Next", "Helvetica Neue", sans-serif;
  --f-display-jp: "Avenir Next", "Helvetica Neue", "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", sans-serif;
  --f-sans:    "Avenir Next", "Helvetica Now Text", "Helvetica Now Display", "Helvetica Neue", "Noto Sans JP", sans-serif;
  --f-mono:    "Avenir Next", "Helvetica Now Text", "Helvetica Now Display", "Helvetica Neue", "Noto Sans JP", sans-serif;
  --f-jp:      "Avenir Next", "Helvetica Now Text", "Helvetica Now Display", "Helvetica Neue", "Noto Sans JP", sans-serif;

  /* metrics */
  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-io: cubic-bezier(.86,0,.07,1);
  --pad: clamp(20px, 5vw, 88px);
  --maxw: 1480px;
}

*{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; }
html, body{ margin:0; padding:0; }
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--f-sans);
  font-weight:400;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
  cursor:none;
}
@media (pointer:coarse){ body{ cursor:auto; } }

a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
::selection{ background:var(--pink); color:#fff; }

/* ---------- type primitives ---------- */
.eyebrow{
  font-family:var(--f-mono);
  font-size:11px;
  letter-spacing:.32em;
  text-transform:uppercase;
  color:var(--ink-soft);
  display:inline-flex;
  align-items:center;
  gap:.7em;
}
.eyebrow::before{
  content:"";
  width:18px; height:1px; background:var(--red);
  display:inline-block;
}
.eyebrow.is-light{ color:rgba(255,255,255,.7); }
.eyebrow.is-plain{
  font-family:var(--f-sans);
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  text-transform:none;
}

.display{
  font-family:var(--f-display);
  font-weight:800;
  line-height:.92;
  letter-spacing:-.02em;
  margin:0;
}
.jp{ font-family:var(--f-jp); font-feature-settings:"palt" 1; }

.section-label{
  font-family:var(--f-mono);
  font-size:12px;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--ink-faint);
}

/* ---------- layout ---------- */
.wrap{ max-width:var(--maxw); margin:0 auto; padding-left:var(--pad); padding-right:var(--pad); }
section{ position:relative; }

.hairline{ height:1px; background:var(--line); border:0; margin:0; }

/* ============================================================
   Custom cursor
   ============================================================ */
#cursor{
  position:fixed; top:0; left:0; z-index:9999;
  width:9px; height:9px; border-radius:50%;
  background:var(--red);
  transform:translate(-50%,-50%);
  pointer-events:none;
  mix-blend-mode:normal;
  transition:width .25s var(--ease), height .25s var(--ease), background .25s;
}
#cursor.is-hover{ width:46px; height:46px; background:rgba(230,0,35,.12); border:1px solid var(--red); }
@media (pointer:coarse){ #cursor{ display:none; } }

/* ============================================================
   Preloader
   ============================================================ */
#loader{
  position:fixed; inset:0; z-index:9000;
  background:var(--bg);
  display:grid; place-items:center;
  transition:opacity .8s var(--ease), visibility .8s;
}
#loader.done{ opacity:0; visibility:hidden; }
.loader-inner{ text-align:center; }
.loader-logo{ display:block; margin:0 auto 22px; width:150px; height:auto; }
.loader-count{
  font-family:var(--f-mono); font-size:13px; letter-spacing:.3em;
  color:var(--ink-soft);
}
.loader-bar{
  width:min(46vw,320px); height:1px; background:var(--line);
  margin:18px auto 0; position:relative; overflow:hidden;
}
.loader-bar > i{
  position:absolute; inset:0 100% 0 0; background:var(--red);
  transition:right .2s linear;
}

body.audio-prompt-open{
  overflow:hidden;
}

.audio-consent{
  position:fixed; inset:0; z-index:8800;
  display:grid; place-items:center;
  padding:24px;
  background:rgba(22,19,17,.76);
  backdrop-filter:blur(14px);
  opacity:0; visibility:hidden; pointer-events:none;
  transition:opacity .45s var(--ease), visibility .45s;
}
.audio-consent.show{
  opacity:1; visibility:visible; pointer-events:auto;
}
.audio-consent-card{
  width:min(92vw, 580px);
  padding:clamp(28px,4vw,42px);
  border:1px solid rgba(255,255,255,.2);
  border-radius:28px;
  background:linear-gradient(180deg, rgba(255,255,255,.14), rgba(255,255,255,.08));
  box-shadow:0 24px 80px rgba(0,0,0,.18);
  text-align:center;
  color:#fff;
}
.audio-consent-kicker{
  margin:0 0 14px;
  font-family:var(--f-mono);
  font-size:11px;
  letter-spacing:.24em;
  color:rgba(255,255,255,.58);
}
.audio-consent-copy{
  margin:0;
  font-size:clamp(18px,2.2vw,24px);
  line-height:1.9;
}
.audio-consent-sub{
  margin:18px 0 0;
  font-family:var(--f-sans);
  font-size:15px;
  line-height:1.8;
  color:rgba(255,255,255,.64);
}
.audio-consent-actions{
  display:flex;
  justify-content:center;
  gap:14px;
  margin-top:30px;
  flex-wrap:wrap;
}
.audio-btn{
  min-width:140px;
  min-height:52px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.35);
  background:transparent;
  color:#fff;
  font-family:var(--f-mono);
  font-size:13px;
  font-weight:700;
  letter-spacing:.18em;
  cursor:pointer;
  transition:background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
}
.audio-btn:hover{
  transform:translateY(-1px);
}
.audio-btn-on{
  background:#fff;
  color:var(--ink);
  border-color:#fff;
}
.audio-btn-on:hover{
  background:rgba(255,255,255,.92);
}
.audio-btn-off:hover{
  background:rgba(255,255,255,.08);
}

.bgm-toggle{
  position:fixed;
  left:20px;
  bottom:20px;
  z-index:190;
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:42px;
  padding:0 16px;
  border:1px solid rgba(26,23,20,.14);
  border-radius:14px;
  background:rgba(255,255,255,.88);
  box-shadow:0 12px 32px rgba(26,23,20,.12);
  backdrop-filter:blur(10px);
  color:var(--ink);
  cursor:pointer;
  transition:transform .25s var(--ease), background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.bgm-toggle:hover{
  transform:translateY(-1px);
}
.bgm-toggle.is-playing{
  background:rgba(230,0,35,.94);
  border-color:rgba(230,0,35,.94);
  color:#fff;
}
.bgm-toggle-label,
.bgm-toggle-state{
  font-family:var(--f-sans);
  font-size:13px;
  font-weight:600;
}
.bgm-toggle-state{
  letter-spacing:.12em;
}
@media (max-width:640px){
  .bgm-toggle{
    left:14px;
    bottom:14px;
    min-height:38px;
    padding:0 14px;
  }
  .bgm-toggle-label,
  .bgm-toggle-state{
    font-size:12px;
  }
}

/* ============================================================
   Header / nav
   ============================================================ */
header.nav{
  position:fixed; top:0; left:0; right:0; z-index:120;
  display:flex; align-items:center; justify-content:space-between;
  padding:22px var(--pad);
  mix-blend-mode:normal;
  transition:transform .5s var(--ease);
}
.brand{ display:block; line-height:0; }
.brand .mark{ width:auto; height:clamp(34px,4.4vw,46px); object-fit:contain; display:block; }
.brand .word{ font-family:var(--f-display); font-weight:800; font-size:15px; letter-spacing:.02em; }
.brand .word small{ font-family:var(--f-mono); font-weight:400; font-size:10px; letter-spacing:.2em; color:var(--ink-soft); display:block; margin-top:1px; }

.nav-links{ display:flex; gap:26px; align-items:center; }
.nav-links a{
  font-family:var(--f-mono); font-size:11px; letter-spacing:.18em; text-transform:uppercase;
  color:var(--ink-soft); position:relative; padding:4px 0;
}
.nav-links a::after{
  content:""; position:absolute; left:0; right:100%; bottom:0; height:1px; background:var(--red);
  transition:right .4s var(--ease);
}
.nav-links a:hover{ color:var(--ink); }
.nav-links a:hover::after{ right:0; }
.nav-cta{
  border:1px solid var(--ink); border-radius:100px; padding:9px 18px !important;
  color:var(--ink) !important;
}
.nav-cta::after{ display:none; }
.nav-cta:hover{ background:var(--ink); color:var(--bg) !important; }
@media (max-width:860px){ .nav-links{ display:none; } }

/* ============================================================
   HERO
   ============================================================ */
#hero{ height:100svh; min-height:640px; position:relative; overflow:hidden;
  display:flex; align-items:center; justify-content:center; background:var(--bg); }
/* canvasをやめ、ヘッダーと同じロゴ画像を中央に配置 */
.hero-logo{ position:relative; z-index:2; width:clamp(220px, 40vw, 440px); animation:heroLogoIn 1s var(--ease) both; }
.hero-logo img{ display:block; width:100%; height:auto; }
@keyframes heroLogoIn{ from{ opacity:0; transform:translateY(14px); } to{ opacity:1; transform:none; } }
@media (prefers-reduced-motion:reduce){ .hero-logo{ animation:none; } }
.hero-ui{
  position:absolute; inset:0; z-index:5;
  display:flex; flex-direction:column; justify-content:flex-end;
  padding:0 var(--pad) clamp(32px,6vh,72px);
  pointer-events:none;
}
.hero-ui .top{
  position:absolute; top:clamp(96px,14vh,150px); left:var(--pad); right:var(--pad);
  display:flex; justify-content:space-between; align-items:flex-start; gap:20px;
}
.hero-headline{
  font-family:var(--f-display); font-weight:800;
  font-size:clamp(44px,9.5vw,150px); line-height:.86; letter-spacing:-.03em;
  margin:0; color:var(--ink);
  opacity:0; transform:translateY(28px);
}
.hero-headline .em{ color:var(--red); }
.hero-foot{
  display:flex; justify-content:space-between; align-items:flex-end; gap:30px;
  margin-top:clamp(18px,3vh,30px); flex-wrap:wrap;
}
.hero-jp{
  font-family:var(--f-jp); font-size:clamp(13px,1.5vw,17px); line-height:1.85; color:var(--ink);
  max-width:none; white-space:nowrap; opacity:0; transform:translateY(20px);
}
.hero-sub{
  font-family:var(--f-mono); font-size:11px; letter-spacing:.26em; text-transform:uppercase;
  color:var(--ink-soft); opacity:0; transform:translateY(20px);
}
.hero-scroll{
  position:absolute; bottom:26px; left:0; right:0; margin-inline:auto; width:max-content;
  display:flex; flex-direction:column; align-items:center; gap:8px;
  font-family:var(--f-mono); font-size:10px; letter-spacing:.25em; color:var(--ink-soft);
  opacity:0;
}
.hero-scroll .ln{ width:1px; height:42px; background:var(--line); position:relative; overflow:hidden; }
.hero-scroll .ln::after{ content:""; position:absolute; left:0; right:0; top:-50%; height:50%; background:var(--red); animation:scrolldot 1.8s var(--ease) infinite; }
@keyframes scrolldot{ 0%{ top:-50%; } 60%,100%{ top:100%; } }

@media (max-width:860px){
  .hero-jp{
    max-width:34ch;
    white-space:normal;
  }
}

/* reveal classes (JS toggles .in) */
.rv{ opacity:0; transform:translateY(34px); transition:opacity 1s var(--ease), transform 1s var(--ease); }
.rv.in{ opacity:1; transform:none; }
.rv.d1{ transition-delay:.08s; } .rv.d2{ transition-delay:.16s; }
.rv.d3{ transition-delay:.24s; } .rv.d4{ transition-delay:.32s; }

/* ============================================================
   CONCEPT
   ============================================================ */
#concept{ padding:clamp(110px,16vh,200px) 0; }
/* 公開版：side（KAMIZU/GRAPH/∞）を外し、中央寄せでバランスを取る */
.concept-grid{ display:grid; grid-template-columns:1fr; gap:clamp(28px,4vw,56px); justify-items:center; text-align:center; }
.concept-lead{
  font-family:var(--f-display-jp); font-weight:600;
  font-size:clamp(30px,5.6vw,86px); line-height:2; letter-spacing:-.02em; margin:.4em auto 0;
  max-width:24ch; text-wrap:balance;
}
.concept-lead .ink-soft{ color:var(--ink-faint); }
.concept-cols{ display:block; width:100%; }
.concept-cols .body{ margin:0 auto; }
.concept-cols .body .body-jp{ max-width:none; margin-left:auto; margin-right:auto; line-height:3; }
.body-jp{ font-family:var(--f-jp); font-size:clamp(15px,1.6vw,19px); line-height:2; color:var(--ink); max-width:42ch; }
@media (max-width:860px){
  .concept-lead{ font-size:26px; }   /* SPは26pxに固定 */
}
.body-jp + .body-jp{ margin-top:2em; }
.concept-more{ margin-top:48px; }
.side-stat{ border-top:1px solid var(--line); padding-top:14px; margin-bottom:30px; }
.side-stat b{ font-family:var(--f-display); font-weight:800; font-size:34px; display:block; line-height:1; }
.side-stat span{ font-family:var(--f-mono); font-size:11px; letter-spacing:.18em; text-transform:uppercase; color:var(--ink-soft); }

/* ============================================================
   SYMBOL breakdown
   ============================================================ */
#symbol{ padding:clamp(90px,12vh,160px) 0; background:var(--bg-2); }
.symbol-head{ display:flex; justify-content:space-between; gap:30px; flex-wrap:wrap; margin-bottom:clamp(40px,6vw,80px); }
.symbol-head h2{ font-family:var(--f-display-jp); font-weight:600; font-size:clamp(34px,6vw,84px); line-height:1.04; letter-spacing:-.04em; margin:.3em 0 0; }
.symbol-stage{
  display:grid; grid-template-columns:1.1fr .9fr; gap:clamp(30px,5vw,70px); align-items:center;
}
@media (max-width:860px){ .symbol-stage{ grid-template-columns:1fr; } }
.symbol-art{ position:relative; aspect-ratio:1/1; background:var(--bg); border:1px solid var(--line); display:grid; place-items:center; overflow:hidden; }
.symbol-art svg{ width:62%; height:auto; overflow:visible; }
.symbol-art .symbol-logo-wrap{ position:relative; width:82%; }
.symbol-art .symbol-logo{ width:100%; height:auto; display:block; opacity:0; transform:scale(.92); transition:opacity .9s var(--ease), transform .9s var(--ease); }
#symbol.in .symbol-art .symbol-logo{ opacity:1; transform:none; }
.sym-marker{ position:absolute; left:50%; top:50%; width:clamp(40px,6vw,62px); height:clamp(40px,6vw,62px); transform:translate(-50%,-50%); border:2px solid var(--red); border-radius:50%; opacity:0; transition:left .55s var(--ease), top .55s var(--ease), opacity .4s; pointer-events:none; }
.sym-marker.on{ opacity:1; }
.sym-marker::after{ content:""; position:absolute; inset:-9px; border-radius:50%; border:1px solid rgba(230,0,35,.4); animation:symPulse 1.7s ease-out infinite; }
@keyframes symPulse{ 0%{ transform:scale(.65); opacity:.85; } 100%{ transform:scale(1.5); opacity:0; } }
.symbol-art .grid-bg{ position:absolute; inset:0; background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px); background-size:40px 40px; opacity:.4; }
.symbol-parts{ display:flex; flex-direction:column; gap:2px; }
.part{
  display:grid; grid-template-columns:48px 1fr auto; gap:18px; align-items:center;
  padding:20px 4px; border-top:1px solid var(--line); cursor:pointer;
  transition:background .3s;
}
.part:last-child{ border-bottom:1px solid var(--line); }
.part:hover{ background:rgba(230,0,35,.04); }
.part .idx{ font-family:var(--f-mono); font-size:11px; color:var(--ink-faint); }
.part .pt{ }
.part .pt h4{ margin:0; font-family:var(--f-display); font-weight:700; font-size:18px; }
.part .pt p{ margin:3px 0 0; font-family:var(--f-jp); font-size:13px; color:var(--ink-soft); }
.part .dotmark{ width:26px; height:26px; display:grid; place-items:center; }
.part.active{ background:rgba(230,0,35,.05); }
.part.active .pt h4{ color:var(--red); }

/* ============================================================
   DOT TYPOGRAPHY — sticky zoom scene
   ============================================================ */
#dottype{ position:relative; }
.dottype-sticky{ position:sticky; top:0; height:100svh; overflow:hidden; display:grid; place-items:center; background:var(--bg-ink); }
#dottype-canvas{ position:absolute; inset:0; width:100%; height:100%; }
.dottype-copy{
  position:absolute; left:var(--pad); right:var(--pad); bottom:clamp(36px,6vh,70px); z-index:3; max-width:57ch; color:#fff;
  pointer-events:none;
}
.dottype-copy .step{ display:none; }
.dottype-copy .step.on{ display:block; animation:fadeUp .7s var(--ease); }
@keyframes fadeUp{ from{ opacity:0; transform:translateY(16px);} to{ opacity:1; transform:none; } }
.dottype-copy h3{ font-family:var(--f-display-jp); font-weight:600; font-size:clamp(26px,3.6vw,52px); line-height:1.12; letter-spacing:-.04em; margin:.4em 0 .3em; }
.dottype-copy .step-compact h3 span{ white-space:nowrap; }
.dottype-copy p{ font-family:var(--f-jp); font-size:15px; line-height:1.9; color:rgba(255,255,255,.72); margin:0; }
.dottype-progress{
  position:absolute; right:var(--pad); top:50%; transform:translateY(-50%); z-index:3;
  display:flex; flex-direction:column; gap:14px;
}
.dottype-progress i{ width:1px; height:30px; background:rgba(255,255,255,.2); position:relative; }
.dottype-progress i.on{ background:var(--pink); }
.dottype-counter{ position:absolute; right:var(--pad); top:clamp(96px,13vh,140px); z-index:3; font-family:var(--f-mono); font-size:11px; letter-spacing:.2em; color:rgba(255,255,255,.55); }

/* ============================================================
   AREA SERIES
   ============================================================ */
#area{ padding:clamp(100px,14vh,180px) 0; }
.area-head{ display:flex; justify-content:space-between; align-items:flex-end; gap:30px; flex-wrap:wrap; margin-bottom:clamp(40px,6vw,72px); }
.area-head h2{ font-family:var(--f-display-jp); font-weight:600; font-size:clamp(34px,6vw,84px); line-height:1.04; letter-spacing:-.04em; margin:.3em 0 0; }
/* --- ドット日本地図（コラボ地域を優劣なく配置） --- */
.area-map{ display:grid; grid-template-columns:minmax(0,1fr) minmax(260px,340px); gap:clamp(24px,4vw,56px); align-items:center; }
@media (max-width:860px){ .area-map{ grid-template-columns:1fr; gap:32px; } }

.area-more{ text-align:center; margin-top:clamp(40px,6vw,68px); }
.area-map-main{ display:flex; flex-direction:column; }
.area-map-stage{ display:flex; justify-content:center; }
.area-map-wrap{ position:relative; width:100%; max-width:620px; aspect-ratio:887/1000; overflow:hidden; }
.area-map-inner{ position:absolute; inset:0; transform-origin:0 0; transition:transform .6s var(--ease); will-change:transform; }
.area-map-svg{ width:100%; height:100%; display:block; }
.area-pins{ position:absolute; inset:0; }

/* エリア絞り込みボタン（選択でそのエリアにズーム） */
.area-regions{ display:flex; flex-wrap:wrap; gap:8px; justify-content:center; margin:clamp(12px,2.5vw,24px) 0 clamp(22px,3.5vw,36px); }
.area-region{
  font-family:var(--f-jp); font-size:13px; padding:8px 16px; border-radius:100px;
  border:1px solid rgba(26,23,20,.16); background:var(--bg); color:var(--ink-soft); cursor:pointer;
  transition:border-color .3s var(--ease), color .3s var(--ease), background .3s var(--ease);
}
.area-region:hover{ border-color:var(--red); color:var(--red); }
.area-region.is-active{ background:var(--ink); border-color:var(--ink); color:var(--bg); }
@media (prefers-reduced-motion:reduce){ .area-map-inner{ transition:none; } }

.area-pin{
  position:absolute; transform:translate(-50%,-50%) scale(calc(1 / var(--z, 1)));
  width:30px; height:30px; padding:0; border:0; background:none; cursor:pointer;
  display:grid; place-items:center; z-index:2;
}
.area-pin:hover{ z-index:5; }
.area-pin.is-active{ z-index:4; }
.area-pin-dot{
  position:relative; z-index:2; display:block; width:12px; height:12px; border-radius:50%;
  background:var(--red); transition:transform .3s var(--ease), box-shadow .3s var(--ease);
}
.area-pin:hover .area-pin-dot,
.area-pin:focus-visible .area-pin-dot,
.area-pin.is-active .area-pin-dot{ transform:scale(1.45); box-shadow:0 0 0 5px rgba(230,0,35,.16); }
.area-pin-halo{
  position:absolute; left:50%; top:50%; width:12px; height:12px; transform:translate(-50%,-50%);
  border-radius:50%; background:var(--red); opacity:.4; pointer-events:none;
  animation:area-pulse 2.6s var(--ease) infinite;
}
@keyframes area-pulse{
  0%{ transform:translate(-50%,-50%) scale(1); opacity:.45; }
  70%,100%{ transform:translate(-50%,-50%) scale(3.4); opacity:0; }
}
.area-pin-label{
  position:absolute; bottom:calc(100% + 4px); left:50%; transform:translateX(-50%);
  white-space:nowrap; font-family:var(--f-jp); font-size:12px; font-weight:600; color:#fff;
  background:var(--ink); padding:3px 10px; border-radius:100px; pointer-events:none;
  opacity:0; transition:opacity .25s var(--ease);
}
.area-pin:hover .area-pin-label,
.area-pin:focus-visible .area-pin-label,
.area-pin.is-active .area-pin-label{ opacity:1; }
@media (prefers-reduced-motion:reduce){ .area-pin-halo{ animation:none; opacity:.3; } }

/* 詳細パネル */
.area-detail{
  background:var(--bg-ink); color:#fff; border-radius:14px;
  padding:clamp(24px,3vw,36px); align-self:stretch;
  display:flex; flex-direction:column; justify-content:center;
}
.area-detail-city{ display:none; }
.area-detail.is-selected .area-detail-intro{ display:none; }
.area-detail.is-selected .area-detail-city{ display:block; }
.area-detail-lead{ font-family:var(--f-jp); font-size:15px; line-height:2; color:rgba(255,255,255,.82); margin:16px 0 0; }
.area-detail-tag{ font-family:var(--f-mono); font-size:11px; letter-spacing:.24em; text-transform:uppercase; color:var(--pink); }
.area-detail-en{ font-family:var(--f-display); font-weight:800; font-size:clamp(24px,2.6vw,34px); letter-spacing:.01em; color:rgba(255,255,255,.55); margin-top:14px; }
.area-detail-ja{ font-family:var(--f-display-jp); font-weight:600; font-size:clamp(30px,4vw,48px); line-height:1.1; margin:4px 0 0; }
.area-detail-motif{ font-family:var(--f-jp); font-size:14px; letter-spacing:.04em; color:var(--pink-soft); margin:16px 0 0; }
.area-detail-desc{ font-family:var(--f-jp); font-size:15px; line-height:1.9; color:rgba(255,255,255,.82); margin:12px 0 0; }
.area-detail-note{ font-family:var(--f-jp); font-size:12px; line-height:1.8; color:rgba(255,255,255,.45); margin:22px 0 0; padding-top:18px; border-top:1px solid rgba(255,255,255,.14); }

/* ============================================================
   reusable heart-field canvas（js/heart-field.js 用）
   position:relative な任意の要素の中に敷く、全面キャンバス
   ============================================================ */
.js-heart-field{ position:absolute; inset:0; width:100%; height:100%; display:block; }

/* ============================================================
   GENERATOR
   ============================================================ */
#generator{ padding:clamp(100px,14vh,180px) 0; background:#fff; }
.gen-wrap{ max-width:1180px; }
.gen-head{ text-align:center; margin-bottom:clamp(40px,6vw,64px); }
.gen-head h2{ font-family:var(--f-display-jp); font-weight:600; font-size:clamp(34px,6vw,80px); line-height:1.06; letter-spacing:-.04em; margin:.3em 0 0; }
.gen-head p{ font-family:var(--f-jp); color:var(--ink-soft); margin:18px auto 0; max-width:54ch; line-height:1.9; }
.gen-stage{ max-width:1180px; margin:0 auto; }
.gen-preview{
  position:relative;
  background:#fff;
  border:1px solid rgba(245,0,18,.12);
  border-radius:34px;
  aspect-ratio:16/10;
  display:grid;
  place-items:center;
  overflow:hidden;
  box-shadow:0 28px 80px rgba(245,0,18,.08);
}
.gen-preview::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 15% 26%, rgba(232,90,155,.16), transparent 24%),
    radial-gradient(circle at 80% 74%, rgba(245,0,18,.1), transparent 28%),
    linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,1));
  pointer-events:none;
}
.gen-preview canvas{ width:100%; height:100%; position:relative; z-index:1; }
.gen-panel{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:18px 22px;
  align-items:start;
  margin-top:24px;
}
.gen-control-stack{
  display:grid;
  gap:10px;
  min-width:0;
}
.gen-controls{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto auto auto;
  gap:14px;
  align-items:stretch;
}
.gen-input{
  display:grid;
  gap:9px;
  padding:16px 22px 18px;
  border:1px solid rgba(26,23,20,.18);
  background:#fff;
  border-radius:28px;
  min-width:0;
}
.gen-input-label{
  font-family:var(--f-mono);
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:#F50012;
}
.gen-input input{
  border:0;
  outline:0;
  background:transparent;
  font-family:var(--f-sans);
  font-weight:700;
  font-size:clamp(20px,2.8vw,34px);
  padding:0;
  width:100%;
  color:var(--ink);
  letter-spacing:.04em;
}
.gen-input input::placeholder{ color:var(--ink-faint); }
.gen-meta{ display:flex; justify-content:flex-end; }
.gen-detected{
  display:flex;
  align-items:center;
  gap:14px;
  padding:16px 18px;
  border:1px solid rgba(232,90,155,.2);
  border-radius:24px;
  background:linear-gradient(180deg, rgba(255,255,255,.96), rgba(255,245,249,.96));
  min-height:88px;
}
.gen-detected canvas{ width:56px; height:56px; flex:0 0 56px; }
.gen-detected-copy{ min-width:0; }
.gen-meta-label{
  display:block;
  font-family:var(--f-mono);
  font-size:10px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--ink-faint);
}
.gen-detected strong{
  display:block;
  margin-top:5px;
  font-family:var(--f-display);
  font-size:18px;
  letter-spacing:.02em;
}
.gen-detected p{
  margin:6px 0 0;
  font-family:var(--f-jp);
  font-size:13px;
  line-height:1.7;
  color:var(--ink-soft);
  max-width:30ch;
}
.btn{
  font-family:var(--f-mono); font-size:12px; letter-spacing:.16em; text-transform:uppercase;
  border:1px solid var(--ink); background:var(--ink); color:var(--bg); border-radius:100px;
  display:inline-flex; align-items:center; justify-content:center; text-align:center;
  padding:0 26px; cursor:pointer; transition:background .3s, color .3s; height:auto; min-height:54px;
}
.btn:hover{ background:transparent; color:var(--ink); }
.btn.ghost{ background:transparent; color:var(--ink); }
.btn.ghost:hover{ background:var(--ink); color:var(--bg); }
.btn.x-share{
  background:#F50012;
  border-color:#F50012;
  color:#fff;
}
.btn.x-share:hover{
  background:transparent;
  color:#F50012;
}
.gen-share-status{
  min-height:1.5em;
  margin:0;
  padding-left:6px;
  font-family:var(--f-jp);
  font-size:13px;
  line-height:1.6;
  color:var(--ink-soft);
}
.gen-chips{ display:flex; gap:10px; justify-content:center; flex-wrap:wrap; margin-top:20px; }
.gen-chips button{
  font-family:var(--f-jp); font-size:13px; padding:10px 18px; border-radius:100px;
  border:1px solid rgba(26,23,20,.14); background:#fff; color:var(--ink-soft); cursor:pointer;
  transition:border-color .3s,color .3s;
}
.gen-chips button:hover{ border-color:#F50012; color:#F50012; }

@media (max-width:960px){
  .gen-panel{ grid-template-columns:1fr; }
  .gen-meta{ justify-content:flex-start; }
}
@media (max-width:760px){
  .gen-preview{ border-radius:26px; aspect-ratio:1/1.05; }
  .gen-controls{ grid-template-columns:1fr; }
  .gen-input{ padding:14px 18px 16px; }
  .gen-detected{ align-items:flex-start; }
  .gen-share-status{ padding-left:0; }
}

/* ============================================================
   JOIN / CONTACT
   ============================================================ */
#join{ padding:clamp(110px,16vh,210px) 0 clamp(60px,8vh,90px); background:var(--bg); color:var(--ink); position:relative; overflow:hidden; }
#join-canvas{ position:absolute; inset:0; width:100%; height:100%; opacity:.5; }
.join-inner{ position:relative; z-index:3; }
.join-inner .eyebrow{ color:var(--ink-soft); }
.join-inner .eyebrow::before{ background:var(--pink); }
.join-big{ font-family:var(--f-display-jp); font-weight:600; font-size:clamp(40px,9vw,150px); line-height:1.02; letter-spacing:-.04em; margin:.3em 0 0; }
.join-big .em{ color:var(--pink); }
.join-jp{ font-family:var(--f-jp); font-size:clamp(16px,2vw,24px); color:var(--ink-soft); margin:28px 0 0; }
.join-cta-row{ display:flex; gap:16px; margin-top:48px; flex-wrap:wrap; }
.join-cta-row .btn{
  min-width:184px;
  font-family:var(--f-jp);
  font-size:15px;
  font-weight:500;
  line-height:1;
  letter-spacing:0;
  text-transform:none;
  white-space:nowrap;
}
.btn-light{ background:#fff; color:var(--ink); border:1px solid #fff; }
.btn-light:hover{ background:transparent; color:#fff; }
.btn-outline{ background:transparent; color:#fff; border:1px solid rgba(255,255,255,.4); }
.btn-outline:hover{ background:#fff; color:var(--ink); border-color:#fff; }
.join-targets{ display:grid; grid-template-columns:repeat(5,1fr); gap:1px; margin-top:clamp(70px,10vh,120px); border:1px solid rgba(255,255,255,.14); background:rgba(255,255,255,.14); }
@media (max-width:760px){ .join-targets{ grid-template-columns:repeat(2,1fr); } }
.join-targets .t{ background:var(--bg-ink); padding:26px 22px; }
.join-targets .t .n{ font-family:var(--f-mono); font-size:11px; color:var(--pink); letter-spacing:.16em; }
.join-targets .t .l{ font-family:var(--f-jp); font-size:14px; margin-top:12px; line-height:1.6; color:rgba(255,255,255,.85); }

/* ============================================================
   common header / footer parts（js/layout.js が差し込む共通パーツ）
   ============================================================ */
site-header, site-footer{ display:block; }
.site-footer{ background:var(--bg-ink); color:rgba(255,255,255,.6); padding:clamp(40px,6vh,68px) 0; border-top:1px solid rgba(255,255,255,.12); }
.site-footer-inner{ width:100%; max-width:var(--maxw); margin:0 auto; padding:0 var(--pad); display:flex; justify-content:space-between; align-items:center; gap:20px; flex-wrap:wrap; }
.site-footer .fb{ display:flex; align-items:center; gap:12px; }
.site-footer .fb img{ width:26px; height:26px; object-fit:contain; filter:brightness(0) invert(1); }
.site-footer .fb span{ font-family:var(--f-display); font-weight:800; color:#fff; letter-spacing:.02em; }
.site-footer .fnote{ font-family:var(--f-mono); font-size:11px; letter-spacing:.14em; color:rgba(255,255,255,.5); }

/* ============================================================
   Love-ne-e character
   ============================================================ */
#lovenee{
  position:fixed; z-index:200; width:52px; height:52px; pointer-events:none;
  left:0; top:0; transform:translate(-50%,-50%); will-change:transform;
  opacity:0; transition:opacity .6s var(--ease);
}
#lovenee.show{ opacity:1; }
#lovenee svg, #lovenee img{ width:100%; height:100%; object-fit:contain; overflow:visible; filter:drop-shadow(0 6px 14px rgba(230,0,35,.25)); }

/* ============================================================
   Dot-map nav (side rail)
   ============================================================ */
.dotnav{
  position:fixed; right:18px; top:50%; transform:translateY(-50%); z-index:130;
  display:flex; flex-direction:column; gap:0; align-items:center;
}
@media (max-width:860px){ .dotnav{ display:none; } }
.dotnav a{ display:flex; align-items:center; gap:10px; padding:9px 4px; position:relative; }
.dotnav .dot{ width:7px; height:7px; border-radius:50%; background:var(--ink-faint); transition:transform .3s var(--ease), background .3s; }
.dotnav a.on .dot{ background:var(--red); transform:scale(1.7); }
.dotnav a .lbl{
  position:absolute; right:24px; white-space:nowrap; font-family:var(--f-mono); font-size:10px;
  letter-spacing:.18em; text-transform:uppercase; color:var(--ink); opacity:0; transform:translateX(8px);
  transition:opacity .3s, transform .3s; background:var(--bg); padding:3px 8px; pointer-events:none;
}
.dotnav a:hover .lbl{ opacity:1; transform:none; }

/* utility */
.dark-cursor #cursor{ background:var(--pink); }
.fade-section{ opacity:0; transform:translateY(40px); transition:opacity 1.1s var(--ease), transform 1.1s var(--ease); }
.fade-section.in{ opacity:1; transform:none; }

/* ---- Love-ne-e eye / mouth animation ---- */
#lovenee .eye{ transform-box:fill-box; transform-origin:center; transition:transform .1s var(--ease); }
#lovenee .eye.blink{ transform:scaleY(.12); }
#lovenee .mouth{ transform-box:fill-box; transform-origin:center; transition:transform .15s var(--ease); }

/* ---- symbol breakdown: stroke draw + highlight ---- */
.symbol-art svg g{ transition:opacity .35s var(--ease); }
.symbol-art .drawpath{ stroke-dasharray:520; stroke-dashoffset:520; }
#symbol.in .symbol-art .drawpath{ animation:drawIn 1.6s var(--ease) forwards; }
#symbol.in .symbol-art [data-part="face"] .drawpath{ animation-delay:.1s; }
#symbol.in .symbol-art [data-part="mouth"] .drawpath{ animation-delay:1s; }
@keyframes drawIn{ to{ stroke-dashoffset:0; } }
/* fill parts scale-in */
.symbol-art [data-part="stem"],
.symbol-art [data-part="dot"],
.symbol-art [data-part="eyes"]{ transform-box:fill-box; transform-origin:center; opacity:0; transform:scale(.7); transition:opacity .6s var(--ease), transform .6s var(--ease); }
#symbol.in .symbol-art [data-part="stem"]{ opacity:1; transform:none; transition-delay:.2s; }
#symbol.in .symbol-art [data-part="dot"]{ opacity:1; transform:none; transition-delay:.45s; }
#symbol.in .symbol-art [data-part="eyes"]{ opacity:1; transform:none; transition-delay:.9s; }
/* highlight on hover */
.symbol-art svg:has(.hl) g:not(.hl){ opacity:.18; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.001s !important; transition-duration:.001s !important; }
  .rv,.fade-section{ opacity:1 !important; transform:none !important; }
  .symbol-art .drawpath{ stroke-dashoffset:0 !important; }
  .symbol-art [data-part]{ opacity:1 !important; transform:none !important; }
}

/* ============================================================
   PC / SP 出し分けユーティリティ（SP = 幅860px以下）
   ・表示切替：<span class="pc-only">…</span> / <span class="sp-only">…</span>
   ・改行分け：文字<br class="br-pc">…（PCだけ改行） / <br class="br-sp">（SPだけ改行）
   ※ 表示型を flex/grid にしたい場合は個別指定してください。
   ============================================================ */
.sp-only{ display:none !important; }   /* PCでは非表示、SPで表示 */
.br-sp{ display:none; }                /* SPだけ改行させる<br> */
@media (max-width:860px){
  .pc-only{ display:none !important; } /* SPでは非表示 */
  .sp-only{ display:revert !important; }
  .br-pc{ display:none; }              /* PCだけ改行させる<br>はSPで消す */
  .br-sp{ display:inline; }
}

/* ============================================================
   お問い合わせボタンの安全網（メーラーが開かない人向け）
   クリック後に js/layout.js が挿入。周囲の文字色を継承するので
   白背景(#join)でも黒背景(.about-cta)でも読める。
   ============================================================ */
.contact-fallback{
  display:block;
  margin-top:1em;
  font-size:.82rem;
  line-height:1.7;
  opacity:.78;
}
.contact-fallback b{ font-weight:700; }
.contact-fallback-note{ margin-left:.35em; opacity:.8; }