/* ==========================================================================
   Cedar Grove Zone — Shared Stylesheet
   杉の森 — サイト共通スタイル
   ========================================================================== */

:root{
  --cedar-900:#1c2718;
  --cedar-800:#243422;
  --cedar-700:#2f4327;
  --cedar-600:#3e5732;
  --cedar-500:#4a6741;
  --moss-500:#6b7a4f;
  --moss-400:#8a9a6b;
  --moss-300:#aab88f;
  --brown-600:#5c4630;
  --brown-500:#6b4f3a;
  --brown-400:#9c7c5c;
  --stone-600:#726c5e;
  --stone-500:#8a8578;
  --stone-400:#b5b0a3;
  --beige-100:#faf7ee;
  --beige-200:#f3ede0;
  --beige-300:#e8dfc9;
  --beige-400:#ddd0b0;
  --ink:#20241c;
  --paper:#fbf9f2;
  --mist:rgba(255,255,255,.55);
  --shadow-soft: 0 20px 60px -20px rgba(28,39,24,.35);
  --ease-soft: cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:'Jost','Shippori Mincho',sans-serif;
  background:var(--paper);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
.font-jp{font-family:'Shippori Mincho', serif;}
.font-display{font-family:'Italiana', serif;}

::selection{background:var(--moss-400);color:#fff;}

::-webkit-scrollbar{width:10px;}
::-webkit-scrollbar-track{background:var(--beige-200);}
::-webkit-scrollbar-thumb{background:var(--moss-500);border-radius:10px;}

/* ----------------------------- Texture layer ---------------------------- */
.grain::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:9999;
  opacity:.035;
  mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* -------------------------------- Nav ----------------------------------- */
#site-nav{
  position:fixed; top:0; left:0; right:0; z-index:1000;
  transition:background .5s var(--ease-soft), box-shadow .5s var(--ease-soft), padding .4s var(--ease-soft), backdrop-filter .5s;
  padding:22px 0;
  background:transparent;
}
#site-nav.nav-scrolled{
  background:rgba(251,249,242,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 8px 30px -10px rgba(28,39,24,.15);
  padding:12px 0;
  border-bottom:1px solid rgba(74,103,65,.12);
}
#site-nav .nav-link{
  position:relative;
  font-size:13px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--cedar-800);
  padding-bottom:4px;
  opacity:.82;
  transition:opacity .3s;
}
#site-nav .nav-link:hover{opacity:1;}
#site-nav .nav-link::after{
  content:"";
  position:absolute; left:0; bottom:0;
  width:0; height:1px;
  background:var(--moss-500);
  transition:width .35s var(--ease-soft);
}
#site-nav .nav-link:hover::after,
#site-nav .nav-link.active::after{width:100%;}
#site-nav .nav-link.active{opacity:1;}

.logo-mark{display:flex;align-items:center;gap:12px;}
.logo-mark svg{width:42px;height:42px;flex-shrink:0;}
.logo-wordmark{line-height:1;}
.logo-wordmark .en{
  font-family:'Italiana',serif;
  font-size:17px;
  letter-spacing:.14em;
  color:var(--cedar-800);
  display:block;
}
.logo-wordmark .jp{
  font-family:'Shippori Mincho',serif;
  font-size:10px;
  letter-spacing:.3em;
  color:var(--moss-500);
  display:block;
  margin-top:3px;
}

/* Hamburger */
.hamburger{
  width:34px;height:22px;position:relative;cursor:pointer;z-index:1200;
}
.hamburger span{
  position:absolute; left:0; width:100%; height:1px; background:var(--cedar-800);
  transition:transform .4s var(--ease-soft), opacity .3s, top .3s var(--ease-soft);
}
.hamburger span:nth-child(1){top:0;}
.hamburger span:nth-child(2){top:10px;}
.hamburger span:nth-child(3){top:20px;}
.menu-open .hamburger span:nth-child(1){top:10px;transform:rotate(45deg);}
.menu-open .hamburger span:nth-child(2){opacity:0;}
.menu-open .hamburger span:nth-child(3){top:10px;transform:rotate(-45deg);}

/* Fullscreen overlay menu */
#overlay-menu{
  position:fixed; inset:0; z-index:1100;
  background:var(--cedar-900);
  opacity:0; visibility:hidden;
  transition:opacity .55s var(--ease-soft), visibility .55s;
  display:flex; flex-direction:column;
}
#overlay-menu.open{opacity:1; visibility:visible;}
#overlay-menu .menu-links a{
  font-family:'Italiana',serif;
  font-size:clamp(28px,6vw,54px);
  color:var(--beige-200);
  display:block;
  padding:8px 0;
  opacity:.7;
  transition:opacity .3s, transform .4s var(--ease-soft), color .3s;
  transform:translateY(10px);
}
#overlay-menu.open .menu-links a{transform:translateY(0);}
#overlay-menu .menu-links a:hover{opacity:1; color:var(--moss-300); transform:translateX(8px);}
#overlay-menu .menu-links .jp-sub{
  font-family:'Shippori Mincho',serif;
  font-size:12px;
  letter-spacing:.25em;
  color:var(--moss-400);
  opacity:.7;
}
#overlay-menu .menu-bg-leaf{position:absolute;opacity:.06;pointer-events:none;}

/* ------------------------------- Buttons -------------------------------- */
.btn-nature{
  display:inline-flex; align-items:center; gap:10px;
  padding:15px 34px;
  font-size:12px; letter-spacing:.16em; text-transform:uppercase;
  background:var(--cedar-700);
  color:var(--beige-100);
  border-radius:999px;
  border:1px solid var(--cedar-700);
  transition:all .45s var(--ease-soft);
  position:relative; overflow:hidden;
}
.btn-nature:hover{background:var(--cedar-600); box-shadow:0 12px 30px -8px rgba(47,67,39,.55); transform:translateY(-2px);}
.btn-outline{
  display:inline-flex; align-items:center; gap:10px;
  padding:14px 34px;
  font-size:12px; letter-spacing:.16em; text-transform:uppercase;
  background:transparent;
  color:var(--cedar-800);
  border-radius:999px;
  border:1px solid var(--cedar-800);
  transition:all .45s var(--ease-soft);
}
.btn-outline.light{color:var(--beige-100);border-color:rgba(250,247,238,.6);}
.btn-outline:hover{background:var(--cedar-800); color:#fff;}
.btn-outline.light:hover{background:rgba(250,247,238,.14); border-color:#fff;}

/* ------------------------------ Glass panel ------------------------------ */
.glass-panel{
  background:rgba(251,249,242,.55);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,.4);
  box-shadow:var(--shadow-soft);
}
.glass-dark{
  background:rgba(28,39,24,.42);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.16);
}

/* ------------------------------- Hero ------------------------------------ */
.hero-wrap{position:relative;height:100vh;min-height:640px;overflow:hidden;}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.08);}
.hero-gradient{position:absolute;inset:0;background:linear-gradient(180deg, rgba(20,26,16,.35) 0%, rgba(20,26,16,.12) 32%, rgba(20,26,16,.55) 78%, rgba(20,26,16,.85) 100%);}
.hero-content{position:relative;z-index:5;height:100%;display:flex;flex-direction:column;justify-content:flex-end;}
.scroll-cue{
  position:absolute; bottom:28px; left:50%; transform:translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:8px; z-index:5;
  color:var(--beige-100); opacity:.85;
}
.scroll-cue .line{width:1px;height:44px;background:linear-gradient(#fff,transparent);animation:scrollCue 2.2s infinite;}
@keyframes scrollCue{0%{transform:scaleY(0);transform-origin:top;}50%{transform:scaleY(1);transform-origin:top;}50.01%{transform-origin:bottom;}100%{transform:scaleY(0);transform-origin:bottom;}}

/* ------------------------------ Mist layers ------------------------------ */
.mist-field{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:3;}
.mist-blob{
  position:absolute;
  background:radial-gradient(closest-side, rgba(255,255,255,.55), rgba(255,255,255,0));
  filter:blur(6px);
  opacity:.55;
  animation:driftMist linear infinite;
}
@keyframes driftMist{
  0%{transform:translateX(-10%) translateY(0);}
  50%{transform:translateX(6%) translateY(-2%);}
  100%{transform:translateX(-10%) translateY(0);}
}

/* ------------------------------ Parallax ---------------------------------*/
.parallax-section{position:relative;overflow:hidden;}
.parallax-layer{will-change:transform;}

/* ---------------------------- Floating leaves ----------------------------*/
#leaf-field{position:fixed;inset:0;pointer-events:none;z-index:40;overflow:hidden;}
.leaf{
  position:absolute; top:-40px;
  width:14px;height:14px;
  background:var(--moss-500);
  clip-path:path('M7 0C11 4 14 8 14 11C14 12.66 10.87 14 7 14C3.13 14 0 12.66 0 11C0 8 3 4 7 0Z');
  opacity:.55;
  animation-name:leafFall;
  animation-timing-function:linear;
  animation-iteration-count:infinite;
}
@keyframes leafFall{
  0%{transform:translateY(-5vh) translateX(0) rotate(0deg);opacity:0;}
  8%{opacity:.6;}
  50%{transform:translateY(50vh) translateX(30px) rotate(180deg);}
  92%{opacity:.55;}
  100%{transform:translateY(105vh) translateX(-20px) rotate(360deg);opacity:0;}
}

/* ------------------------------ Section rhythm ----------------------------*/
section{position:relative;}
.eyebrow{
  font-size:11px; letter-spacing:.32em; text-transform:uppercase;
  color:var(--moss-500); font-weight:500;
}
.section-title{
  font-family:'Italiana',serif;
  font-weight:400;
  color:var(--cedar-800);
  line-height:1.05;
}
.section-title-jp{
  font-family:'Shippori Mincho',serif;
  color:var(--stone-600);
}
.divider-leaf{width:34px;height:2px;background:var(--moss-500);position:relative;}
.divider-leaf::after{content:"";position:absolute;left:40px;top:-4px;width:10px;height:10px;background:var(--moss-400);border-radius:50% 0 50% 50%;transform:rotate(45deg);}

/* ------------------------------- Fade in scroll ---------------------------*/
.reveal{opacity:0;transform:translateY(36px);transition:opacity 1s var(--ease-soft), transform 1.1s var(--ease-soft);}
.reveal.in-view{opacity:1;transform:translateY(0);}
.reveal-scale{opacity:0;transform:scale(.94);transition:opacity 1s var(--ease-soft), transform 1.1s var(--ease-soft);}
.reveal-scale.in-view{opacity:1;transform:scale(1);}
.reveal-delay-1{transition-delay:.12s;}
.reveal-delay-2{transition-delay:.24s;}
.reveal-delay-3{transition-delay:.36s;}

/* ------------------------------- Editorial cards --------------------------*/
.card-editorial{
  position:relative; overflow:hidden; border-radius:2px;
  background:var(--beige-200);
}
.card-editorial .img-wrap{overflow:hidden;position:relative;}
.card-editorial img{transition:transform 1.4s var(--ease-soft), filter .8s;width:100%;height:100%;object-fit:cover;}
.card-editorial:hover img{transform:scale(1.08);}
.card-editorial .card-index{
  font-family:'Italiana',serif; font-size:13px; color:var(--moss-500); letter-spacing:.1em;
}

/* --------------------------------- Gallery ---------------------------------*/
.masonry{column-count:1;column-gap:18px;}
@media(min-width:640px){.masonry{column-count:2;}}
@media(min-width:1024px){.masonry{column-count:3;}}
.masonry-item{break-inside:avoid;margin-bottom:18px;position:relative;overflow:hidden;border-radius:2px;cursor:pointer;}
.masonry-item img{width:100%;display:block;transition:transform 1.2s var(--ease-soft), filter .6s;}
.masonry-item:hover img{transform:scale(1.06);}
.masonry-item .cap{
  position:absolute;inset:auto 0 0 0;padding:16px 18px;
  background:linear-gradient(0deg, rgba(20,26,16,.78), transparent);
  color:#fff; opacity:0; transform:translateY(10px);
  transition:opacity .4s, transform .4s;
}
.masonry-item:hover .cap{opacity:1;transform:translateY(0);}
.masonry-item .cap .en{font-family:'Italiana',serif;font-size:15px;letter-spacing:.05em;}
.masonry-item .cap .jp{font-family:'Shippori Mincho',serif;font-size:11px;color:var(--moss-300);margin-top:2px;}

/* Lightbox */
#lightbox{position:fixed;inset:0;z-index:2000;background:rgba(20,22,16,.94);display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:opacity .4s, visibility .4s;}
#lightbox.open{opacity:1;visibility:visible;}
#lightbox img{max-width:88vw;max-height:82vh;object-fit:contain;box-shadow:0 30px 80px rgba(0,0,0,.5);}
#lightbox .lb-close, #lightbox .lb-nav{color:#fff;cursor:pointer;opacity:.75;transition:opacity .3s;}
#lightbox .lb-close:hover, #lightbox .lb-nav:hover{opacity:1;}
#lightbox .lb-caption{color:var(--beige-200);font-family:'Shippori Mincho',serif;font-size:13px;letter-spacing:.05em;}

/* --------------------------------- FAQ -------------------------------------*/
.faq-item{border-bottom:1px solid var(--beige-400);}
.faq-q{
  display:flex; align-items:center; justify-content:space-between; gap:20px;
  padding:26px 4px; cursor:pointer;
}
.faq-q .q-en{font-family:'Italiana',serif;font-size:19px;color:var(--cedar-800);}
.faq-q .q-jp{font-family:'Shippori Mincho',serif;font-size:12px;color:var(--stone-500);margin-top:4px;}
.faq-icon{
  width:26px;height:26px;flex-shrink:0;position:relative;
}
.faq-icon::before, .faq-icon::after{content:"";position:absolute;background:var(--moss-500);top:50%;left:50%;transform:translate(-50%,-50%);}
.faq-icon::before{width:16px;height:1px;}
.faq-icon::after{width:1px;height:16px;transition:transform .35s var(--ease-soft);}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);}
.faq-a{display:none;padding:0 4px 28px;color:var(--stone-600);line-height:1.9;max-width:65ch;}

/* --------------------------------- Forms -----------------------------------*/
.field{position:relative;margin-bottom:26px;}
.field input, .field textarea, .field select{
  width:100%; background:transparent; border:none; border-bottom:1px solid var(--stone-400);
  padding:12px 2px; font-family:'Jost',sans-serif; font-size:15px; color:var(--ink);
  transition:border-color .3s;
}
.field select{appearance:none;-webkit-appearance:none;background-position:right 2px center;}
.field input:focus, .field textarea:focus, .field select:focus{outline:none;border-color:var(--cedar-700);}
.field label{
  position:absolute; left:2px; top:12px; color:var(--stone-500); font-size:15px;
  transition:all .25s var(--ease-soft); pointer-events:none;
}
.field input:focus + label, .field input:not(:placeholder-shown) + label,
.field textarea:focus + label, .field textarea:not(:placeholder-shown) + label{
  top:-14px; font-size:11px; letter-spacing:.1em; color:var(--moss-500); text-transform:uppercase;
}
.field.has-value label{top:-14px; font-size:11px; letter-spacing:.1em; color:var(--moss-500); text-transform:uppercase;}

/* --------------------------------- Toast -----------------------------------*/
#toast-container{position:fixed;bottom:26px;right:26px;z-index:3000;display:flex;flex-direction:column;gap:12px;align-items:flex-end;}
.toast{
  display:flex;align-items:center;gap:12px;
  background:var(--cedar-800); color:var(--beige-100);
  padding:16px 22px; border-radius:6px; box-shadow:0 18px 40px -14px rgba(0,0,0,.5);
  font-size:13px; letter-spacing:.02em; max-width:340px;
  transform:translateY(20px) scale(.96); opacity:0;
  animation:toastIn .5s var(--ease-soft) forwards;
  border-left:3px solid var(--moss-400);
}
.toast.leaving{animation:toastOut .4s var(--ease-soft) forwards;}
@keyframes toastIn{to{transform:translateY(0) scale(1);opacity:1;}}
@keyframes toastOut{to{transform:translateY(10px) scale(.96);opacity:0;}}
.toast .toast-dot{width:6px;height:6px;border-radius:50%;background:var(--moss-400);flex-shrink:0;}

/* --------------------------------- Footer -----------------------------------*/
footer{background:var(--cedar-900);color:var(--beige-300);position:relative;overflow:hidden;}
footer a{transition:color .3s, opacity .3s;}
footer a:hover{color:var(--moss-300);}
.footer-leaf-bg{position:absolute;right:-60px;bottom:-60px;opacity:.05;width:420px;height:420px;pointer-events:none;}

/* --------------------------------- Misc ------------------------------------*/
.stat-num{font-family:'Italiana',serif;color:var(--cedar-700);}
.stone-dot{width:6px;height:6px;border-radius:50%;background:var(--moss-500);display:inline-block;}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  padding:7px 16px;border:1px solid var(--stone-400);border-radius:999px;color:var(--stone-600);
}
.underline-hover{position:relative;}
.underline-hover::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:currentColor;transition:width .35s var(--ease-soft);}
.underline-hover:hover::after{width:100%;}

.marquee-track{display:flex;white-space:nowrap;animation:marquee 34s linear infinite;}
@keyframes marquee{from{transform:translateX(0);}to{transform:translateX(-50%);}}

.numbered-list li{counter-increment:item;position:relative;padding-left:44px;}
.numbered-list{counter-reset:item;}
.numbered-list li::before{
  content:counter(item, decimal-leading-zero);
  position:absolute;left:0;top:0;
  font-family:'Italiana',serif;color:var(--moss-500);font-size:16px;
}

@media (prefers-reduced-motion: reduce){
  .reveal,.reveal-scale{transition:none;opacity:1;transform:none;}
  .leaf,.mist-blob,.marquee-track{animation:none;}
}