:root{
  --black:#0a0a0a;
  --ink:#1a1a1a;
  --gray:#6b6b6b;
  --line:#e8e4e0;
  --bg:#fbf9f7;
  --white:#ffffff;
  --pink:#f5d8d2;
  --pink-deep:#d89a90;
  --gold:#b08d57;
  --gold-light:#d4b886;
  --serif:'Cormorant Garamond','Noto Serif JP',serif;
  --sans:'Noto Sans JP',-apple-system,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{
  font-family:var(--sans);
  background:var(--bg);
  color:var(--ink);
  font-weight:300;
  line-height:1.8;
  font-size:15px;
  letter-spacing:.04em;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}

.container{max-width:1200px;margin:0 auto;padding:0 40px}
.container.narrow{max-width:780px}

/* HEADER */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:24px 0;
  transition:.4s ease;
  backdrop-filter:blur(0);
}
.site-header.scrolled{
  background:rgba(251,249,247,.85);
  backdrop-filter:blur(14px);
  padding:16px 0;
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:40px}
.logo{
  font-family:var(--serif);
  font-size:22px;
  font-weight:400;
  letter-spacing:.18em;
  display:inline-block;
  line-height:0;
}
.logo img{
  height:38px;
  width:auto;
  display:block;
}
.site-header.scrolled .logo img{height:32px;transition:.3s}
.logo span{color:var(--gold);font-style:italic}
.nav{display:flex;gap:36px;font-size:12px;letter-spacing:.16em}
.nav a{position:relative;padding:4px 0;transition:color .3s}
.nav a:hover{color:var(--gold)}
.btn-mini{
  font-size:11px;letter-spacing:.18em;
  padding:12px 22px;
  border:1px solid var(--ink);
  border-radius:999px;
  transition:.3s;
}
.btn-mini:hover{background:var(--ink);color:var(--white)}

/* BUTTONS */
.btn-primary{
  display:inline-block;
  font-size:12px;letter-spacing:.2em;
  padding:22px 44px;
  background:var(--ink);color:var(--white);
  border:none;cursor:pointer;
  border-radius:999px;
  transition:.4s ease;
  font-family:var(--sans);
  font-weight:400;
}
.btn-primary:hover{background:var(--gold);transform:translateY(-2px);box-shadow:0 14px 30px rgba(176,141,87,.25)}
.btn-primary.wide{width:100%;text-align:center;padding:24px}

/* TYPOGRAPHY */
.eyebrow{
  font-family:var(--serif);
  font-style:italic;
  font-size:13px;
  color:var(--gold);
  letter-spacing:.24em;
  margin-bottom:20px;
}
.section-title{
  font-family:var(--serif);
  font-size:clamp(34px,5vw,58px);
  font-weight:400;
  line-height:1.25;
  letter-spacing:.02em;
  color:var(--black);
}
.section-title em{
  font-style:italic;
  color:var(--gold);
}
.section-head{margin-bottom:80px;max-width:720px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.lead{
  margin-top:24px;
  color:var(--gray);
  font-size:14px;
  line-height:2;
}
.contact .lead{font-size:16px;color:#333}

/* HERO */
.hero{
  position:relative;
  min-height:100vh;
  display:grid;
  grid-template-columns:1fr 1fr;
  align-items:center;
  gap:60px;
  padding:0 80px 0 200px;
  background:linear-gradient(180deg,#fbf9f7 0%,#f5ede9 100%);
  overflow:hidden;
}
.hero::before{
  content:'';
  position:absolute;
  top:-200px;right:-200px;
  width:600px;height:600px;
  background:radial-gradient(circle,var(--pink) 0%,transparent 65%);
  opacity:.6;
  pointer-events:none;
}
.hero-media{position:relative;z-index:2}
.hero-text{position:relative;z-index:2}
.hero-title{
  font-family:var(--serif);
  font-size:clamp(48px,7vw,96px);
  font-weight:300;
  line-height:1.05;
  letter-spacing:.01em;
  margin:24px 0 32px;
}
.hero-title em{font-style:italic;color:var(--gold)}
.hero-sub{
  color:var(--gray);
  font-size:14px;
  margin-bottom:48px;
  line-height:2;
}
.scroll-indicator{
  position:absolute;
  bottom:36px;left:50%;
  transform:translateX(-50%);
  font-family:var(--serif);
  font-size:11px;
  letter-spacing:.32em;
  color:var(--gray);
  writing-mode:vertical-rl;
}
.scroll-indicator::after{
  content:'';
  display:block;
  width:1px;height:48px;
  background:var(--gold);
  margin:14px auto 0;
  animation:scrollLine 2.4s ease-in-out infinite;
}
@keyframes scrollLine{
  0%,100%{transform:scaleY(.3);transform-origin:top}
  50%{transform:scaleY(1);transform-origin:top}
}

/* PLACEHOLDERS */
.placeholder{
  width:100%;
  aspect-ratio:4/5;
  background:linear-gradient(135deg,#f0e6e1 0%,#e8d4cc 100%);
  border:1px solid var(--line);
  display:flex;
  align-items:center;justify-content:center;
  font-family:var(--serif);
  font-style:italic;
  font-size:14px;
  letter-spacing:.18em;
  color:var(--gold);
  position:relative;
  overflow:hidden;
}
.placeholder::before{
  content:'';
  position:absolute;inset:14px;
  border:1px solid rgba(176,141,87,.35);
  pointer-events:none;
  z-index:2;
}
.placeholder img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  z-index:1;
}
.placeholder-hero{aspect-ratio:4/5;background:linear-gradient(135deg,#fbe7e2,#e8c8c0 60%,#c9a59c)}

/* PROBLEM & SOLUTION PAIRS */
.ps-section{background:var(--bg);padding-bottom:80px}
.ps-pair{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:0;
  border:1px solid var(--line);
  margin-bottom:32px;
}
.ps-problem,.ps-solution{
  padding:56px 48px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  min-height:280px;
}
.ps-problem{
  background:var(--white);
  border-right:1px solid var(--line);
}
.ps-solution{
  background:#fdfaf8;
}
.ps-label{
  display:inline-block;
  font-family:var(--serif);
  font-style:italic;
  font-size:11px;
  letter-spacing:.2em;
  color:var(--gray);
  margin-bottom:16px;
}
.ps-label--sol{
  color:var(--gold);
}
.ps-pair .num{
  font-family:var(--serif);
  font-style:italic;
  font-size:14px;
  color:var(--gold);
  letter-spacing:.16em;
  display:block;
  margin-bottom:14px;
}
.ps-pair .sol-icon{
  display:block;
  font-size:24px;
  color:var(--gold);
  margin-bottom:14px;
}
.ps-pair h3{
  font-family:var(--serif);
  font-size:24px;
  font-weight:400;
  margin-bottom:16px;
  color:var(--black);
}
.ps-pair p{
  font-size:17px;
  color:#333;
  line-height:2;
}
.ps-columns-header{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:0;
  margin-bottom:24px;
}
.ps-col-title{
  font-family:var(--serif);
  font-size:22px;
  font-weight:400;
  letter-spacing:.12em;
  color:var(--white);
  text-align:center;
  padding:18px 0;
}
.ps-col-title:first-child{
  background:var(--ink);
}
.ps-col-title:last-child{
  background:var(--gold);
}
@media(max-width:880px){
  .ps-pair{grid-template-columns:1fr}
  .ps-problem{border-right:none;border-bottom:1px solid var(--line)}
  .ps-problem,.ps-solution{padding:40px 28px}
  .ps-columns-header{display:none}
}

/* SECTIONS */
.section{padding:140px 0;position:relative}
.section.problem{background:var(--white)}
.section.solution{background:var(--bg)}
.section.works{background:var(--white);padding-top:80px}
.section.services{background:var(--ink);color:var(--white)}
.section.flow{background:var(--bg)}
.section.faq{background:var(--white)}
.section.contact{background:linear-gradient(180deg,#f5ede9 0%,#fbf9f7 100%)}

.services .eyebrow{color:var(--gold-light)}
.services .section-title{color:var(--white)}

/* PROBLEM */
.problem-list{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.problem-list li{
  background:var(--white);
  padding:60px 50px;
  transition:background .4s;
}
.problem-list li:hover{background:#fdfaf8}
.problem-list .num{
  font-family:var(--serif);
  font-style:italic;
  font-size:14px;
  color:var(--gold);
  letter-spacing:.16em;
}
.problem-list h3{
  font-family:var(--serif);
  font-size:26px;
  font-weight:400;
  margin:14px 0 16px;
  color:var(--black);
}
.problem-list p{
  font-size:13px;
  color:var(--gray);
  line-height:2;
}

/* SOLUTION */
.solution-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:32px;
}
.sol-card{
  background:var(--white);
  padding:56px 44px;
  border:1px solid var(--line);
  transition:.4s;
  position:relative;
}
.sol-card:hover{
  transform:translateY(-6px);
  box-shadow:0 30px 60px rgba(20,20,20,.06);
  border-color:var(--gold);
}
.sol-icon{
  display:block;
  font-size:24px;
  color:var(--gold);
  margin-bottom:24px;
}
.sol-card h3{
  font-family:var(--serif);
  font-size:24px;
  font-weight:400;
  margin-bottom:16px;
  color:var(--black);
}
.sol-card p{
  font-size:13px;
  color:var(--gray);
  line-height:2;
}

/* WORKS */
.works-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:48px;
}
.work{transition:.5s}
.work:hover{transform:translateY(-6px)}
.work .placeholder{aspect-ratio:1/1}
.work figcaption{
  margin-top:20px;
  display:flex;
  align-items:baseline;
  gap:18px;
  font-family:var(--serif);
  font-size:18px;
}
.work figcaption span{
  font-style:italic;
  color:var(--gold);
  font-size:12px;
  letter-spacing:.18em;
}

/* SERVICES */
.services-list{
  border-top:1px solid rgba(255,255,255,.12);
}
.services-list li{
  display:flex;
  align-items:center;
  gap:40px;
  padding:36px 0;
  border-bottom:1px solid rgba(255,255,255,.12);
  font-family:var(--serif);
  font-size:clamp(28px,4vw,44px);
  font-weight:300;
  transition:.4s;
  cursor:default;
}
.services-list li:hover{padding-left:24px;color:var(--gold-light)}
.services-list li span{
  font-style:italic;
  font-size:14px;
  color:var(--gold-light);
  letter-spacing:.18em;
  min-width:50px;
}

/* FLOW */
.flow-steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  position:relative;
}
.flow-steps::before{
  content:'';
  position:absolute;
  top:32px;left:8%;right:8%;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--gold),transparent);
}
.flow-steps li{
  text-align:center;
  padding:0 20px;
  position:relative;
}
.flow-steps li::before{
  content:'';
  display:block;
  width:14px;height:14px;
  border-radius:50%;
  background:var(--bg);
  border:1px solid var(--gold);
  margin:24px auto 36px;
  position:relative;z-index:2;
}
.flow-steps .step{
  font-family:var(--serif);
  font-style:italic;
  font-size:12px;
  color:var(--gold);
  letter-spacing:.2em;
}
.flow-steps h3{
  font-family:var(--serif);
  font-size:26px;
  font-weight:400;
  margin:12px 0 14px;
}
.flow-steps p{
  font-size:14px;
  color:#333;
  line-height:2;
}

/* FAQ */
.faq-list details{
  border-bottom:1px solid var(--line);
  padding:28px 0;
}
.faq-list summary{
  font-family:var(--serif);
  font-size:20px;
  cursor:pointer;
  list-style:none;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:24px;
  transition:color .3s;
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{
  content:'+';
  font-size:24px;
  color:var(--gold);
  transition:.4s;
}
.faq-list details[open] summary::after{transform:rotate(45deg)}
.faq-list summary:hover{color:var(--gold)}
.faq-list details p{
  margin-top:18px;
  font-size:13px;
  color:var(--gray);
  line-height:2.1;
}

/* FORM */
.form{display:flex;flex-direction:column;gap:28px}
.form label{
  display:flex;
  flex-direction:column;
  gap:10px;
  font-size:15px;
  letter-spacing:.18em;
  color:var(--gray);
}
.form-note{
  font-size:12px;
  color:var(--gray);
  line-height:1.8;
  margin-bottom:12px;
  padding-bottom:24px;
  border-bottom:1px solid var(--line);
}
.form-required{color:var(--gold);font-size:15px}
.form-optional{color:var(--gray);font-size:15px}
.form select{
  font-family:var(--sans);
  font-size:15px;
  padding:18px 20px;
  background:var(--white);
  border:1px solid var(--line);
  color:var(--ink);
  transition:.3s;
  width:100%;
  appearance:none;
  -webkit-appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b6b6b' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 20px center;
  cursor:pointer;
}
.form select:focus{
  outline:none;
  border-color:var(--gold);
  box-shadow:0 0 0 3px rgba(176,141,87,.1);
}
.form input,.form textarea{
  font-family:var(--sans);
  font-size:15px;
  padding:18px 20px;
  background:var(--white);
  border:1px solid var(--line);
  color:var(--ink);
  transition:.3s;
  resize:vertical;
}
.form input:focus,.form textarea:focus{
  outline:none;
  border-color:var(--gold);
  box-shadow:0 0 0 3px rgba(176,141,87,.1);
}

/* FOOTER */
.site-footer{
  background:var(--black);
  color:#a0a0a0;
  padding:80px 0 40px;
}
.footer-inner{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  align-items:center;
}
.footer-brand .logo{color:var(--white);font-size:24px}
.footer-brand .logo img{height:42px;filter:invert(1) brightness(2)}
.footer-tag{
  font-family:var(--serif);
  font-style:italic;
  font-size:12px;
  color:var(--gold-light);
  margin-top:8px;
  letter-spacing:.14em;
}
.footer-nav{
  display:flex;
  gap:32px;
  justify-content:flex-end;
  font-size:12px;
  letter-spacing:.12em;
}
.footer-nav a:hover{color:var(--gold-light)}
.copy{
  grid-column:1/-1;
  margin-top:60px;
  padding-top:32px;
  border-top:1px solid #1f1f1f;
  text-align:center;
  font-size:11px;
  letter-spacing:.18em;
}

/* REVEAL */
.reveal{
  opacity:0;
  transform:translateY(40px);
  transition:opacity 1s ease,transform 1s ease;
}
.reveal.is-visible{opacity:1;transform:none}

/* RESPONSIVE */
@media(max-width:880px){
  .container{padding:0 24px}
  .nav{display:none}
  .hero{
    grid-template-columns:1fr;
    padding:140px 24px 100px;
    min-height:auto;
    text-align:left;
  }
  .hero-media{order:2;max-width:420px;margin:40px 0 0}
  .scroll-indicator{display:none}
  .section{padding:90px 0}
  .section-head{margin-bottom:50px}
  .problem-list,.solution-grid,.works-grid{grid-template-columns:1fr}
  .problem-list li{padding:40px 28px}
  .sol-card{padding:40px 28px}
  .flow-steps{grid-template-columns:1fr;gap:40px}
  .flow-steps::before{display:none}
  .footer-inner{grid-template-columns:1fr;text-align:center}
  .footer-nav{justify-content:center;flex-wrap:wrap}
  .services-list li{font-size:24px;gap:20px;padding:24px 0}
}