:root{
  --paper:#f4f1ea;
  --ink:#20231f;
  --muted:#6b706b;
  --line:rgba(32,35,31,.16);
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;line-height:1.85;letter-spacing:.02em}
a{color:inherit;text-decoration:none}
img{display:block;width:100%}
.wrap{width:min(calc(100% - 40px),var(--max));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(244,241,234,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.navbar{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.brand{font-family:Georgia,"Times New Roman",serif;font-size:20px;letter-spacing:.22em;font-weight:600}
.nav{display:flex;gap:24px;flex-wrap:wrap;font-size:12px;letter-spacing:.12em}
.nav a{padding:8px 0;border-bottom:1px solid transparent}
.nav a:hover,.nav a.active{border-bottom-color:var(--ink)}
.hero{min-height:78vh;background:url('assets/hero.jpg') center/cover no-repeat;position:relative;color:#fff;display:flex;align-items:flex-end}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,13,11,.18),rgba(10,13,11,.62))}
.hero-copy{position:relative;z-index:1;padding:80px 0 62px;max-width:840px}
.kicker{font-size:12px;letter-spacing:.18em;text-transform:uppercase;opacity:.9;margin-bottom:14px}
h1,h2,h3{font-family:Georgia,"Yu Mincho","Hiragino Mincho ProN",serif;font-weight:500}
h1{font-size:clamp(44px,7vw,86px);line-height:1.12;margin:0}
h2{font-size:clamp(34px,4.6vw,56px);line-height:1.25;margin:0 0 24px}
h3{font-size:24px;margin:0 0 12px}
.lead{font-size:clamp(17px,2vw,21px);max-width:760px;color:#3d433f}
.section{padding:96px 0;border-bottom:1px solid var(--line)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:34px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:rgba(255,255,255,.48);border:1px solid var(--line);padding:30px;min-height:190px}
.card p{margin:0;color:var(--muted)}
.small{font-size:12px;letter-spacing:.12em;color:var(--muted);text-transform:uppercase}
.home-paths{margin-top:38px}
.path-intro,.path-detour{font-family:Georgia,"Yu Mincho","Hiragino Mincho ProN",serif;color:var(--muted);font-size:18px;margin:0}
.path-grid{display:grid;gap:14px;margin-top:16px}
.path-grid-main{grid-template-columns:repeat(3,1fr)}
.path-item{padding:22px 22px 20px;border-top:1px solid var(--ink)}
.path-grid-main .path-item h3,.path-grid-side .path-item h3{display:inline-block;position:relative;z-index:0;font-weight:600;letter-spacing:.04em;margin:0 0 8px;padding-bottom:5px;color:var(--path-color);text-shadow:1px 1px 0 rgba(57,58,54,.28),2px 2px 3px rgba(82,84,82,.11);transition:transform .25s ease,text-shadow .25s ease}
.path-grid-main .path-item h3{font-size:34px}
.path-grid-side .path-item h3{font-size:23px}
.path-grid-main .path-item h3::after,.path-grid-side .path-item h3::after{content:"";position:absolute;left:0;bottom:0;width:32px;height:1px;background:var(--path-color);opacity:.52}
.path-grid-main .path-item:nth-child(1) h3{--path-color:#294563;--path-light:#3b5570;--path-deep:#203950}
.path-grid-main .path-item:nth-child(2) h3{--path-color:#3F5B48;--path-light:#54705d;--path-deep:#304638}
.path-grid-main .path-item:nth-child(3) h3{--path-color:#744957;--path-light:#875c69;--path-deep:#5d3845}
.path-grid-main .path-item h3{text-shadow:1px 1px 0 rgba(57,58,54,.32),2px 2px 3px rgba(82,84,82,.13)}
.path-grid-side .path-item:nth-child(1) h3{--path-color:#526b7d;--path-light:#687f8e;--path-deep:#415765;color:#526b7d}
.path-grid-side .path-item:nth-child(2) h3{--path-color:#34404c;--path-light:#4a5661;--path-deep:#27313b;color:#34404c}
@media(hover:hover) and (pointer:fine){.path-grid-main .path-item h3:hover{transform:translateY(-2px);text-shadow:1px 1px 0 rgba(57,58,54,.38),2px 2px 4px rgba(82,84,82,.17)}.path-grid-side .path-item h3:hover{transform:translateY(-2px);text-shadow:1px 1px 0 rgba(57,58,54,.34),2px 2px 4px rgba(82,84,82,.15)}}
.path-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
.path-detour{margin-top:38px}
.path-grid-side{grid-template-columns:repeat(2,1fr);margin-top:12px}
.path-grid-side .path-item{border-top-color:var(--line);padding-top:18px}
.page-hero{padding:100px 0 60px;border-bottom:1px solid var(--line)}
.page-hero p{max-width:760px;color:var(--muted);font-size:18px}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gallery figure{margin:0;overflow:hidden;aspect-ratio:4/3;background:#ddd}
.gallery img{height:100%;object-fit:cover;transition:transform .35s ease}
.gallery figure:hover img{transform:scale(1.02)}
.profile-list{display:grid;grid-template-columns:180px 1fr;border-top:1px solid var(--line)}
.profile-list div{padding:18px 0;border-bottom:1px solid var(--line)}
.profile-list div:nth-child(odd){color:var(--muted);font-size:13px;letter-spacing:.08em}
.contact-box{max-width:760px;background:rgba(255,255,255,.48);border:1px solid var(--line);padding:32px}
footer{padding:32px 0 44px;color:var(--muted);font-size:11px;letter-spacing:.1em}
.footer-row{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
@media(max-width:820px){
  .navbar{align-items:flex-start;padding:16px 0;min-height:auto}.nav{gap:12px;font-size:10px;justify-content:flex-end}
  .hero{min-height:68vh}.section{padding:72px 0}.grid-2,.grid-3{grid-template-columns:1fr}.path-grid-main,.path-grid-side{grid-template-columns:1fr}.gallery{grid-template-columns:1fr 1fr}.profile-list{grid-template-columns:1fr}.profile-list div:nth-child(odd){padding-bottom:4px;border-bottom:0}
}
@media(max-width:520px){.wrap{width:min(calc(100% - 28px),var(--max))}.navbar{flex-direction:column}.gallery{grid-template-columns:1fr}.hero-copy{padding:60px 0 46px}}
.home-guide{display:grid;grid-template-columns:minmax(0,1fr) 320px;align-items:center;gap:40px}
.home-guide-copy{min-width:0}
.home-guide-image{width:100%;max-width:320px;height:auto;object-fit:contain;justify-self:end}
@media(max-width:820px){.home-guide{grid-template-columns:1fr;gap:28px}.home-guide-image{max-width:280px;justify-self:center}}

@media(min-width:821px){.section:has(> .home-guide){padding-top:0;padding-bottom:0}}

/* Hold each photo for 6 seconds, then crossfade for 2 seconds (24-second loop). */
.hero-slideshow{background-image:url('assets/hero_01_timber.webp')}
.hero-slideshow::before{z-index:1;pointer-events:none;background:linear-gradient(180deg,rgba(10,13,11,0) 40%,rgba(10,13,11,.10) 65%,rgba(10,13,11,.28) 100%)}
.hero-slideshow .hero-copy{text-shadow:0 1px 3px rgba(0,0,0,.35)}
.hero-slides{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.hero-slide{position:absolute;inset:0;background:center/cover no-repeat}
.hero-slide:nth-child(1){background-image:url('assets/hero_01_timber.webp')}
.hero-slide:nth-child(2){background-image:url('assets/hero_02_towerbridge.webp');opacity:0;animation:hero-photo-two 24s ease-in-out infinite}
.hero-slide:nth-child(3){background-image:url('assets/hero_04_ruins.webp');opacity:0;animation:hero-photo-three 24s ease-in-out infinite}
/* The bridge resets only after the ruins fully cover it. */
@keyframes hero-photo-two{0%,25%{opacity:0}33.333333%,66.666667%{opacity:1}66.67%,100%{opacity:0}}
@keyframes hero-photo-three{0%,58.333333%{opacity:0}66.666667%,91.666667%{opacity:1}100%{opacity:0}}
@media(prefers-reduced-motion:reduce){.hero-slideshow .hero-slide{animation:none}}

@media(min-width:821px){.hero-slideshow .hero-copy{transform:translateX(clamp(-220px,calc((880px - 100vw)/2),0px))}}