/* ========== RESET & BASE ========== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --primary:#92400E;
  --primary-light:#A0522D;
  --accent:#B45309;
  --accent-light:#D97706;
  --cream:#FFFBEB;
  --cream-dark:#FEF3C7;
  --warm:#FDF6E3;
  --wood:#3E2723;
  --wood-light:#5D4037;
  --wood-medium:#6D4C41;
  --text-dark:#2C1810;
  --text-body:#4A3728;
  --text-muted:#8B7355;
  --border:rgba(146,64,14,.12);
  --border-light:rgba(146,64,14,.06);
  --font-en:'Playfair Display',serif;
  --font-jp:'Noto Sans JP','Hiragino Kaku Gothic ProN',sans-serif;
  --ease-out:cubic-bezier(0.16,1,0.3,1);
  --radius:6px;
}
html{scroll-behavior:smooth;font-size:16px;overflow-x:hidden}
body{
  font-family:var(--font-jp);
  background:var(--cream);
  color:var(--text-body);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{text-decoration:none;color:inherit;transition:opacity .3s}
a:hover{opacity:.8}
img{max-width:100%;display:block}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 40px}
@media(max-width:768px){.container{padding:0 20px}}

/* ========== SAMPLE BANNER ========== */
#design-sample-banner{
  position:fixed;top:0;left:0;right:0;z-index:99999;
  background:rgba(62,39,35,.92);color:#fff;text-align:center;
  padding:10px 16px;font-size:13px;font-family:sans-serif;
  letter-spacing:.02em;backdrop-filter:blur(8px);
}

/* ========== LOADER ========== */
.loader{
  position:fixed;inset:0;z-index:9999;
  background:var(--cream);
  display:flex;align-items:center;justify-content:center;
  transition:opacity .8s var(--ease-out),visibility .8s;
}
.loader.hidden{opacity:0;visibility:hidden;pointer-events:none}
.loader-inner{text-align:center}
.loader-text{
  font-family:var(--font-en);font-weight:700;font-size:1.8rem;
  letter-spacing:.15em;color:var(--primary);
}
.loader-bar{width:180px;height:2px;background:var(--cream-dark);margin-top:20px;border-radius:2px;overflow:hidden}
.loader-bar-fill{width:0;height:100%;background:var(--accent);animation:load 1.5s var(--ease-out) forwards}
@keyframes load{to{width:100%}}

/* ========== HEADER ========== */
.header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:20px 0;margin-top:36px;
  transition:background .3s,backdrop-filter .3s,padding .3s,box-shadow .3s;
}
.header.scrolled{
  background:rgba(255,251,235,.92);
  backdrop-filter:blur(20px);
  padding:12px 0;
  box-shadow:0 2px 24px rgba(146,64,14,.08);
}
.header-inner{
  max-width:1200px;margin:0 auto;padding:0 40px;
  display:flex;align-items:center;justify-content:space-between;
}
.logo{display:flex;align-items:center;gap:10px}
.logo-mark{
  width:40px;height:40px;
  background:var(--primary);color:var(--cream);
  font-family:var(--font-jp);font-weight:900;font-size:1.2rem;
  display:flex;align-items:center;justify-content:center;
  border-radius:4px;
}
.logo-words{display:flex;flex-direction:column}
.logo-main{font-family:var(--font-en);font-weight:700;font-size:1.1rem;color:var(--primary);line-height:1.2}
.logo-sub{font-size:.65rem;color:var(--text-muted);letter-spacing:2px}
.nav{display:flex;align-items:center;gap:36px}
.nav-list{display:flex;gap:28px}
.nav-link{
  font-size:.85rem;font-weight:500;color:var(--text-muted);
  transition:color .3s;position:relative;
}
.nav-link::after{
  content:'';position:absolute;bottom:-4px;left:0;
  width:0;height:1.5px;background:var(--accent);
  transition:width .3s var(--ease-out);
}
.nav-link:hover{color:var(--primary);opacity:1}
.nav-link:hover::after{width:100%}
.nav-cta{
  font-size:.85rem;font-weight:600;color:var(--cream);
  background:var(--primary);padding:10px 24px;border-radius:100px;
  transition:background .3s,transform .3s;
}
.nav-cta:hover{background:var(--accent);opacity:1;transform:scale(1.03)}

/* Hamburger */
.hamburger{
  display:none;width:32px;height:24px;
  background:none;border:none;cursor:pointer;
  position:relative;z-index:110;
}
.hamburger span{
  display:block;width:100%;height:2px;background:var(--primary);
  position:absolute;left:0;transition:all .3s var(--ease-out);
}
.hamburger span:nth-child(1){top:0}
.hamburger span:nth-child(2){top:50%;transform:translateY(-50%)}
.hamburger span:nth-child(3){bottom:0}
.hamburger.active span:nth-child(1){top:50%;transform:translateY(-50%) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){bottom:50%;transform:translateY(50%) rotate(-45deg)}

@media(max-width:840px){
  .hamburger{display:block}
  .nav{
    position:fixed;inset:0;background:var(--cream);
    flex-direction:column;align-items:center;justify-content:center;gap:28px;
    opacity:0;visibility:hidden;transition:all .4s var(--ease-out);
  }
  .nav.open{opacity:1;visibility:visible}
  .nav-list{flex-direction:column;align-items:center;gap:20px}
  .nav-link{font-size:1.15rem;color:var(--text-dark)}
  .header-inner{padding:0 20px}
}

/* ========== HERO ========== */
.hero{
  min-height:100vh;display:flex;flex-direction:column;
  justify-content:center;position:relative;
  padding:160px 40px 80px;overflow:hidden;
}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.hero-bg-image{
  position:absolute;inset:0;
  background:url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
  animation:heroZoom 20s ease-out forwards;
}
@keyframes heroZoom{from{transform:scale(1.08)}to{transform:scale(1)}}
.hero-bg-overlay{
  position:absolute;inset:0;
  background:linear-gradient(
    to bottom,
    rgba(62,39,35,.7) 0%,
    rgba(62,39,35,.5) 40%,
    rgba(62,39,35,.8) 100%
  );
}

.hero-content{position:relative;max-width:1200px;margin:0 auto;width:100%}
.hero-label{
  font-family:var(--font-en);font-size:.85rem;font-weight:500;
  letter-spacing:.25em;color:var(--cream-dark);margin-bottom:24px;
}
.hero-title{
  font-size:clamp(2.5rem,7vw,5.5rem);font-weight:900;
  line-height:1.15;letter-spacing:-.01em;margin-bottom:28px;
  color:var(--cream);
}
.hero-line{display:block}
.hero-accent{
  color:var(--cream-dark);
  text-shadow:0 0 60px rgba(180,83,9,.4);
}
.hero-desc{
  font-size:1.05rem;color:rgba(255,251,235,.8);
  max-width:500px;line-height:2;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:36px}

.hero-stats{
  position:relative;max-width:1200px;margin:80px auto 0;width:100%;
  display:flex;gap:40px;align-items:center;
}
.stat{display:flex;flex-direction:column;text-align:center}
.stat-num{
  font-family:var(--font-en);font-size:3rem;font-weight:800;
  color:var(--cream);line-height:1;
}
.stat-label{font-size:.8rem;color:rgba(255,251,235,.6);margin-top:6px}
.stat-divider{width:1px;height:40px;background:rgba(255,251,235,.15)}

@media(max-width:768px){
  .hero{padding:140px 20px 60px}
  .hero-stats{gap:20px;flex-wrap:wrap;justify-content:center}
  .stat-num{font-size:2rem}
  .stat-divider{display:none}
}

/* ========== BUTTONS ========== */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.9rem;font-weight:600;letter-spacing:.03em;
  padding:14px 32px;border-radius:100px;border:none;cursor:pointer;
  transition:all .3s var(--ease-out);font-family:var(--font-jp);
}
.btn--primary{background:var(--accent);color:var(--cream)}
.btn--primary:hover{background:var(--primary);opacity:1;transform:translateY(-2px);box-shadow:0 8px 24px rgba(146,64,14,.2)}
.btn--outline{border:1.5px solid rgba(255,251,235,.5);color:var(--cream);background:transparent}
.btn--outline:hover{background:rgba(255,251,235,.12);opacity:1}
.btn--dark{background:var(--wood);color:var(--cream)}
.btn--dark:hover{background:var(--wood-light);opacity:1;transform:translateX(4px)}
.btn--full{width:100%;justify-content:center}
.btn svg{transition:transform .3s var(--ease-out)}
.btn:hover svg{transform:translateX(4px)}

/* ========== SECTIONS ========== */
.section{padding:120px 0}
.section--cream{background:var(--cream)}
.section--warm{background:var(--warm)}
.section--wood{background:var(--wood);color:var(--cream)}

.section-header{text-align:center;margin-bottom:64px}
.section-label{
  font-family:var(--font-en);font-size:.82rem;font-weight:600;
  letter-spacing:.2em;color:var(--accent);
  display:block;margin-bottom:12px;text-transform:capitalize;
}
.section-label--light{color:var(--cream-dark)}
.section-title{
  font-family:var(--font-jp);
  font-size:clamp(1.6rem,3.5vw,2.4rem);font-weight:700;
  line-height:1.4;color:var(--text-dark);
}
.section-title--light{color:var(--cream)}
.section-line{
  width:48px;height:2px;
  background:linear-gradient(to right,var(--primary),var(--accent));
  margin:16px auto 0;
}
.section-line--light{background:linear-gradient(to right,var(--cream-dark),var(--accent-light))}
.section-sub{
  font-size:.9rem;color:var(--text-muted);margin-top:16px;
  max-width:560px;margin-left:auto;margin-right:auto;line-height:1.9;
}

@media(max-width:768px){.section{padding:80px 0}}

/* ========== PHILOSOPHY ========== */
.philosophy-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}
.philosophy-lead{
  font-size:1.25rem;font-weight:600;line-height:2;
  margin-bottom:24px;color:var(--text-dark);
}
.philosophy-body{
  font-size:.95rem;line-height:2.2;color:var(--text-body);margin-bottom:40px;
}
.philosophy-values{display:flex;flex-direction:column;gap:20px}
.value-card{
  background:var(--warm);border:1px solid var(--border);
  border-radius:var(--radius);padding:28px 24px;
  transition:transform .3s var(--ease-out),box-shadow .3s;
}
.value-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(146,64,14,.08)}
.value-num{
  font-family:var(--font-en);font-size:.72rem;font-weight:700;
  letter-spacing:.15em;color:var(--accent);opacity:.6;
}
.value-card h3{font-size:1rem;font-weight:700;margin:6px 0 8px;color:var(--text-dark)}
.value-card p{font-size:.85rem;color:var(--text-muted);line-height:1.8}

@media(max-width:840px){.philosophy-grid{grid-template-columns:1fr;gap:40px}}

/* ========== SERVICE CARDS (Page Turn Effect) ========== */
.service-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.service-card{
  background:var(--wood-light);
  border:1px solid rgba(255,251,235,.08);
  border-radius:var(--radius);
  overflow:hidden;
  transition:transform .5s var(--ease-out),box-shadow .4s;
  perspective:1000px;
}
.service-card:hover{
  transform:translateY(-6px);
  box-shadow:0 16px 48px rgba(0,0,0,.2);
}
.service-card-inner{
  padding:36px 32px;
  transition:transform .6s var(--ease-out);
  transform-origin:left center;
}
.service-card.page-turn:hover .service-card-inner{
  transform:rotateY(-3deg);
}
.service-num{
  font-family:var(--font-en);font-size:.72rem;font-weight:700;
  letter-spacing:.15em;color:var(--accent-light);opacity:.7;
}
.service-icon-wrap{
  width:52px;height:52px;margin:16px 0 18px;
  color:var(--cream-dark);
}
.service-icon-wrap svg{width:100%;height:100%}
.service-card h3{font-size:1.2rem;font-weight:700;margin-bottom:12px;color:var(--cream)}
.service-card p{font-size:.88rem;color:rgba(255,251,235,.65);line-height:1.9;margin-bottom:18px}
.service-tags{display:flex;gap:8px;flex-wrap:wrap}
.service-tags span{
  font-size:.73rem;color:var(--cream-dark);
  border:1px solid rgba(255,251,235,.18);border-radius:100px;
  padding:4px 14px;
}

@media(max-width:840px){.service-cards{grid-template-columns:1fr}}

/* ========== FEATURES (Warm Glow) ========== */
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-card{
  position:relative;
  background:var(--warm);border:1px solid var(--border);
  border-radius:var(--radius);padding:36px 24px;
  text-align:center;overflow:hidden;
  transition:transform .3s var(--ease-out),box-shadow .3s;
}
.feature-card:hover{
  transform:translateY(-4px);
  box-shadow:0 12px 32px rgba(146,64,14,.1);
}
.feature-glow{
  position:absolute;top:-50%;left:-50%;width:200%;height:200%;
  background:radial-gradient(circle,rgba(180,83,9,.06) 0%,transparent 60%);
  opacity:0;transition:opacity .5s;pointer-events:none;
}
.feature-card:hover .feature-glow{opacity:1}
.feature-num{
  font-family:var(--font-en);font-size:2.2rem;font-weight:800;
  color:var(--primary);opacity:.12;display:block;margin-bottom:12px;line-height:1;
}
.feature-card h3{font-size:.95rem;font-weight:700;margin-bottom:10px;color:var(--text-dark)}
.feature-card p{font-size:.82rem;color:var(--text-muted);line-height:1.8}

@media(max-width:840px){.features-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.features-grid{grid-template-columns:1fr}}

/* ========== PROCESS FLOW ========== */
.process-flow{max-width:700px;margin:0 auto;position:relative}
.process-flow::before{
  content:'';position:absolute;left:24px;top:0;bottom:0;
  width:2px;background:linear-gradient(to bottom,var(--accent),var(--primary));
  opacity:.2;
}
.process-step{
  display:flex;gap:28px;align-items:flex-start;
  padding:0 0 36px;position:relative;
}
.process-step:last-child{padding-bottom:0}
.process-marker{
  width:50px;height:50px;flex-shrink:0;
  background:var(--cream);border:2px solid var(--accent);
  border-radius:50%;display:flex;align-items:center;justify-content:center;
  position:relative;z-index:1;
  transition:background .3s,border-color .3s;
}
.process-step:hover .process-marker{
  background:var(--accent);border-color:var(--accent);
}
.process-num{
  font-family:var(--font-en);font-size:.75rem;font-weight:700;
  color:var(--accent);letter-spacing:.1em;
  transition:color .3s;
}
.process-step:hover .process-num{color:var(--cream)}
.process-body h3{font-size:1rem;font-weight:700;margin-bottom:6px;color:var(--text-dark)}
.process-body p{font-size:.85rem;color:var(--text-muted);line-height:1.8}

@media(max-width:768px){
  .process-flow{padding:0}
  .process-flow::before{left:24px}
}

/* ========== CEO ========== */
.ceo-block{
  max-width:800px;margin:0 auto;
  background:var(--warm);border:1px solid var(--border);
  border-radius:var(--radius);padding:48px;
  position:relative;
}
.ceo-block::before{
  content:'\201C';position:absolute;top:20px;left:28px;
  font-family:var(--font-en);font-size:6rem;
  color:var(--primary);opacity:.08;line-height:1;
}
.ceo-quote{
  font-family:var(--font-jp);
  font-size:1.3rem;font-weight:600;line-height:2;
  color:var(--text-dark);margin-bottom:24px;
  position:relative;
}
.ceo-msg{font-size:.95rem;line-height:2.2;color:var(--text-body);margin-bottom:28px}
.ceo-sign{border-top:1px solid var(--border);padding-top:20px}
.ceo-sign strong{display:block;font-size:1.15rem;color:var(--text-dark)}
.ceo-sign span{font-size:.82rem;color:var(--text-muted)}

@media(max-width:768px){.ceo-block{padding:32px 24px}}

/* ========== TESTIMONIALS ========== */
.testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testimonial-card{
  background:var(--cream);border:1px solid var(--border);
  border-radius:var(--radius);padding:32px;
  transition:transform .3s var(--ease-out),box-shadow .3s;
}
.testimonial-card:hover{
  transform:translateY(-4px);
  box-shadow:0 8px 24px rgba(146,64,14,.08);
}
.testimonial-stars{color:var(--accent);font-size:1rem;margin-bottom:16px;letter-spacing:2px}
.testimonial-text{
  font-size:.9rem;line-height:2;margin-bottom:20px;color:var(--text-body);
}
.testimonial-author{border-top:1px solid var(--border);padding-top:16px}
.testimonial-author strong{display:block;font-size:.9rem;color:var(--text-dark)}
.testimonial-author span{font-size:.78rem;color:var(--text-muted)}

@media(max-width:840px){.testimonial-grid{grid-template-columns:1fr}}

/* ========== COMPANY TABLE ========== */
.company-table{max-width:800px;margin:0 auto}
.info-row{
  display:flex;padding:18px 0;
  border-bottom:1px solid var(--border);
}
.info-row dt{
  width:140px;flex-shrink:0;
  font-size:.88rem;color:var(--text-dark);font-weight:600;
}
.info-row dd{font-size:.88rem;color:var(--text-muted)}
@media(max-width:600px){
  .info-row{flex-direction:column;gap:4px}
  .info-row dt{width:auto}
}

/* ========== FAQ (Accordion) ========== */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border);overflow:hidden}
.faq-q{
  display:flex;align-items:center;gap:16px;
  padding:22px 0;cursor:pointer;transition:color .3s;
}
.faq-q:hover{color:var(--primary)}
.faq-marker{
  font-family:var(--font-en);font-weight:700;font-size:1rem;
  color:var(--primary);min-width:28px;flex-shrink:0;
}
.faq-marker--a{color:var(--accent)}
.faq-q h3{flex:1;font-size:.95rem;font-weight:600;color:var(--text-dark)}
.faq-icon{
  font-size:1.3rem;color:var(--primary);transition:transform .4s var(--ease-out);
  flex-shrink:0;
}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .5s var(--ease-out),padding .5s;
  display:flex;gap:16px;padding:0;
}
.faq-item.open .faq-a{max-height:300px;padding:0 0 22px}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a p{font-size:.88rem;color:var(--text-muted);line-height:1.9}

/* ========== CONTACT ========== */
.contact-inner{max-width:800px;margin:0 auto}
.contact-info{text-align:center;margin-bottom:40px}
.contact-tel{margin-bottom:8px}
.contact-tel span{display:block;font-size:.82rem;color:var(--text-muted);margin-bottom:4px}
.contact-tel a{
  font-family:var(--font-en);font-size:2.2rem;font-weight:700;
  color:var(--primary);
}
.contact-hours{font-size:.82rem;color:var(--text-muted)}
.contact-form{display:grid;gap:16px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.contact-form input,
.contact-form textarea,
.contact-form select{
  width:100%;padding:14px 18px;
  border:1px solid var(--border);border-radius:var(--radius);
  font-size:.9rem;font-family:var(--font-jp);
  background:var(--warm);color:var(--text-dark);
  transition:border-color .3s,box-shadow .3s;
}
.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus{
  outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(180,83,9,.1);
}
.contact-form select{appearance:none;background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%238B7355' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");background-position:right 12px center;background-repeat:no-repeat;background-size:20px;padding-right:40px}

@media(max-width:600px){.form-row{grid-template-columns:1fr}}

/* ========== FOOTER ========== */
.footer{background:var(--wood);color:rgba(255,251,235,.6);padding:80px 0 40px}
.footer-top{display:grid;grid-template-columns:1fr 2fr;gap:60px;margin-bottom:60px}
.footer .logo-mark{background:var(--accent)}
.footer .logo-main{color:var(--cream)}
.footer .logo-sub{color:rgba(255,251,235,.4)}
.footer-tagline{font-size:.9rem;color:rgba(255,251,235,.5);margin-top:12px;font-style:italic}
.footer-address{font-size:.82rem;color:rgba(255,251,235,.4);margin-top:8px;line-height:1.8}
.footer-nav{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.footer-nav h4{
  font-size:.82rem;font-weight:600;letter-spacing:.08em;
  color:rgba(255,251,235,.5);margin-bottom:16px;
}
.footer-nav a{
  font-size:.85rem;color:rgba(255,251,235,.45);
  display:block;padding:4px 0;transition:color .3s;
}
.footer-nav a:hover{color:var(--cream);opacity:1}
.footer-bottom{
  padding-top:32px;border-top:1px solid rgba(255,251,235,.08);
  text-align:center;
}
.copyright{font-size:.75rem;color:rgba(255,251,235,.3)}

@media(max-width:840px){
  .footer-top{grid-template-columns:1fr;gap:40px}
  .footer-nav{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:540px){.footer-nav{grid-template-columns:1fr;gap:24px}}

/* ========== ANIMATIONS ========== */
[data-anim]{opacity:0;transform:translateY(40px);transition:opacity .8s var(--ease-out),transform .8s var(--ease-out)}
[data-anim].visible{opacity:1;transform:translateY(0)}
[data-delay="1"]{transition-delay:.15s}
[data-delay="2"]{transition-delay:.3s}
[data-delay="3"]{transition-delay:.45s}
[data-delay="4"]{transition-delay:.6s}

/* ========== WARM GLOW PULSE (for counter) ========== */
@keyframes warmPulse{
  0%,100%{text-shadow:0 0 20px rgba(180,83,9,.2)}
  50%{text-shadow:0 0 40px rgba(180,83,9,.4)}
}
.stat-num.counting{animation:warmPulse 1.5s ease-in-out}

/* ========== WOOD GRAIN TEXTURE ========== */
.section--wood{
  background-color:var(--wood);
  background-image:
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 40px,
      rgba(255,251,235,.015) 40px,
      rgba(255,251,235,.015) 42px
    ),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 80px,
      rgba(255,251,235,.01) 80px,
      rgba(255,251,235,.01) 81px
    );
}