:root{
  --ink:#20201d;
  --paper:#f4f0e6;
  --paper2:#e7dfcf;
  --gold:#b98b45;
  --line:rgba(32,32,29,.17);
  --white:#fff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;line-height:1.8}
img{max-width:100%;display:block}
a{color:inherit}
.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:12px clamp(18px,4vw,58px);background:rgba(244,240,230,.93);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;line-height:1.2}
.brand-mark{display:grid;place-items:center;width:47px;height:47px;border-radius:50%;background:var(--ink);color:var(--paper);font-weight:800}
.brand strong{display:block;font-size:14px}
.brand small{display:block;margin-top:4px;font-size:10px;opacity:.65}
nav{display:flex;gap:22px}
nav a{text-decoration:none;font-size:13px;font-weight:700}
.hero{position:relative;min-height:650px;display:grid;align-items:center;overflow:hidden;background:#292824}
.hero-bg{position:absolute;inset:0;background:
linear-gradient(90deg,rgba(22,22,20,.95) 0%,rgba(22,22,20,.72) 48%,rgba(22,22,20,.08) 78%),
url("assets/old-map.webp") center/cover no-repeat;filter:sepia(.2)}
.hero-inner{position:relative;z-index:1;width:min(1180px,100%);margin:auto;padding:110px clamp(22px,7vw,90px);color:#fff}
.eyebrow{margin:0 0 12px;color:var(--gold);font-size:12px;font-weight:800;letter-spacing:.22em}
h1{margin:0;font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:clamp(46px,8vw,94px);line-height:1.15;letter-spacing:.03em}
.lead{max-width:630px;margin:26px 0 34px;font-size:clamp(15px,2vw,19px);opacity:.88}
.primary-btn{display:inline-flex;padding:13px 24px;border:1px solid rgba(255,255,255,.55);border-radius:999px;text-decoration:none;font-weight:700}
.section{padding:90px clamp(18px,5vw,70px)}
.section-heading{width:min(1120px,100%);margin:0 auto 34px}
.section-heading h2,.concept h2{margin:0 0 10px;font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:clamp(30px,4vw,48px);line-height:1.35}
.section-heading p:last-child{margin:0;max-width:780px;color:rgba(32,32,29,.72)}
.movie-section{background:#fff}
.movie-frame{width:min(1120px,100%);aspect-ratio:16/9;margin:auto;border-radius:20px;overflow:hidden;background:#222;box-shadow:0 20px 60px rgba(0,0,0,.16)}
.movie-placeholder{height:100%;display:grid;place-content:center;gap:10px;text-align:center;color:#f5efe4;background:
linear-gradient(rgba(15,15,14,.72),rgba(15,15,14,.82)),
url("assets/old-map.webp") center/cover}
.play-icon{display:grid;place-items:center;width:74px;height:74px;margin:0 auto 8px;border:1px solid rgba(255,255,255,.7);border-radius:50%;font-size:24px;padding-left:5px}
.movie-placeholder strong{font-size:21px}
.movie-placeholder small{opacity:.72}
.map-section{background:var(--paper)}
.map-layout{width:min(1240px,100%);margin:auto;display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:20px;align-items:start}
.map-panel{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 14px 45px rgba(53,44,30,.08)}
.map-toolbar{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:12px 16px;border-bottom:1px solid var(--line);font-size:11px}
.map-toolbar button{border:1px solid var(--line);border-radius:999px;background:var(--paper);padding:7px 13px;cursor:pointer}
.map-wrap{position:relative;overflow:hidden}
.map-wrap>img{width:100%}
#pins{position:absolute;inset:0}
.pin{position:absolute;transform:translate(-50%,-100%);border:0;background:none;cursor:pointer;padding:0}
.pin-dot{display:grid;place-items:center;width:37px;height:37px;border-radius:50% 50% 50% 0;transform:rotate(-45deg);background:#1f201d;color:#fff;border:3px solid #fff;box-shadow:0 5px 13px rgba(0,0,0,.35);transition:.2s}
.pin-dot span{transform:rotate(45deg);font-weight:800}
.pin:hover .pin-dot,.pin:focus-visible .pin-dot{background:var(--gold);scale:1.08}
.pin-label{position:absolute;left:50%;top:8px;transform:translate(-50%,0);width:max-content;max-width:170px;padding:5px 8px;border-radius:5px;background:rgba(255,255,255,.94);box-shadow:0 3px 10px rgba(0,0,0,.18);font-size:10px;font-weight:700;opacity:0;pointer-events:none;transition:.18s}
.show-labels .pin-label,.pin:hover .pin-label{opacity:1}
.demo-note{margin:0;padding:8px 15px 13px;font-size:10px;color:#777}
.spot-list{display:grid;gap:9px}
.spot-card{width:100%;text-align:left;padding:14px 15px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;transition:.18s}
.spot-card:hover{transform:translateY(-2px);border-color:rgba(185,139,69,.7);box-shadow:0 9px 25px rgba(53,44,30,.08)}
.spot-card b{display:block;font-size:14px}
.spot-card span{display:block;margin-top:3px;color:#70695e;font-size:11px}
.concept{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;background:#252521;color:#f6f0e5}
.concept-copy p:last-child{max-width:650px;color:rgba(246,240,229,.75)}
.flow{display:flex;align-items:center;justify-content:center;gap:14px}
.flow div{display:grid;place-items:center;width:145px;aspect-ratio:1;border:1px solid rgba(255,255,255,.25);border-radius:50%;text-align:center}
.flow b{color:var(--gold);font-size:24px}
.flow span{font-size:13px;line-height:1.5}
.flow i{font-style:normal;color:var(--gold)}
.source-section{background:#fff}
.source-grid{width:min(1120px,100%);margin:auto;display:grid;grid-template-columns:1fr 1fr;gap:20px}
.source-grid a{position:relative;display:block;border-radius:15px;overflow:hidden;border:1px solid var(--line);text-decoration:none;background:#eee}
.source-grid img{aspect-ratio:4/3;object-fit:cover;transition:.25s}
.source-grid a:hover img{transform:scale(1.015)}
.source-grid span{position:absolute;left:0;right:0;bottom:0;padding:22px 16px 12px;background:linear-gradient(transparent,rgba(0,0,0,.8));color:#fff;font-size:13px;font-weight:700}
footer{padding:32px 20px;text-align:center;background:#161615;color:#eee}
footer p{margin:0;font-size:12px}
footer small{opacity:.55}
dialog{width:min(940px,calc(100% - 30px));max-height:92vh;border:0;border-radius:18px;padding:0;background:var(--paper);color:var(--ink);box-shadow:0 30px 100px rgba(0,0,0,.4)}
dialog::backdrop{background:rgba(0,0,0,.72);backdrop-filter:blur(4px)}
.dialog-close{position:absolute;right:14px;top:10px;width:38px;height:38px;border:0;border-radius:50%;background:#fff;font-size:25px;cursor:pointer}
.dialog-head{padding:34px 34px 20px}
.dialog-head span{display:inline-block;margin-bottom:8px;padding:3px 9px;border-radius:999px;background:var(--paper2);font-size:10px;font-weight:700}
.dialog-head h3{margin:0;font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:30px}
.dialog-head p{margin:7px 0 0;color:#655f55}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:0 20px}
.compare-grid figure{margin:0;background:#fff;border-radius:12px;overflow:hidden}
.compare-grid img,.old-crop{width:100%;aspect-ratio:3/2;object-fit:cover}
.old-crop{background-image:url("assets/old-map.webp");background-size:300% auto;background-repeat:no-repeat}
.compare-grid figcaption{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;font-size:11px}
.compare-grid figcaption b{font-size:16px}
.dialog-foot{margin:14px 25px 25px;color:#777;font-size:10px}
@media(max-width:900px){
  nav{display:none}
  .hero{min-height:580px}
  .map-layout{grid-template-columns:1fr}
  .spot-list{grid-template-columns:1fr 1fr}
  .concept{grid-template-columns:1fr}
  .flow{justify-content:flex-start;overflow:auto}
}
@media(max-width:620px){
  .brand small{display:none}
  .section{padding:65px 15px}
  .hero-inner{padding:85px 22px}
  .map-toolbar span{max-width:65%}
  .spot-list{grid-template-columns:1fr}
  .source-grid,.compare-grid{grid-template-columns:1fr}
  .dialog-head{padding:30px 20px 14px}
  .flow div{min-width:116px;width:116px}
}