:root{
  --color-ink:#231815;
  --color-paper:#f7f3ec;
  --color-gold:#a8894a;
  --color-sumi:#1a1412;
  --color-rule:#d9cfbf;
  --color-mute:#6d5f4f;
  --font-mincho:"Yu Mincho","游明朝","YuMincho","Hiragino Mincho ProN","Hiragino Mincho Pro",serif;
  --font-sans:"Helvetica Neue",Arial,"Hiragino Sans","Yu Gothic UI",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-mincho);
  color:var(--color-ink);
  background:var(--color-paper);
  line-height:1.9;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--color-ink);text-decoration:none;transition:opacity .25s}
a:hover{opacity:.65}

/* HEADER */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,243,236,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--color-rule);
}
.header-inner{
  max-width:1200px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 28px;
}
.logo{
  font-family:var(--font-mincho);
  font-size:20px;letter-spacing:.15em;
  font-weight:500;
}
.logo small{display:block;font-size:10px;letter-spacing:.3em;color:var(--color-gold);margin-bottom:2px}
.nav{display:flex;gap:26px;font-size:13px;letter-spacing:.08em}
.nav a{color:var(--color-ink)}
.menu-toggle{display:none;background:none;border:0;font-size:24px;cursor:pointer;color:var(--color-ink)}

@media(max-width:820px){
  .nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:var(--color-paper);padding:20px 28px;border-bottom:1px solid var(--color-rule);gap:14px}
  .nav.open{display:flex}
  .menu-toggle{display:block}
}

/* HERO */
.hero{
  position:relative;height:86vh;min-height:520px;
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;color:#fff;
}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;z-index:0}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(26,20,18,.35) 0%,rgba(26,20,18,.55) 100%)}
.hero-content{position:relative;z-index:1;text-align:center;padding:0 24px}
.hero-content .small-label{font-size:11px;letter-spacing:.5em;margin-bottom:28px;opacity:.9}
.hero-content h1{
  font-size:clamp(32px,6vw,64px);
  font-weight:400;letter-spacing:.12em;line-height:1.5;
  margin-bottom:24px;
}
.hero-content p{font-size:14px;letter-spacing:.2em;opacity:.92}

/* PAGE HERO */
.page-hero{
  position:relative;height:42vh;min-height:280px;
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;color:#fff;
}
.page-hero .hero-bg::after{background:linear-gradient(180deg,rgba(26,20,18,.45) 0%,rgba(26,20,18,.6) 100%)}
.page-hero-content{position:relative;z-index:1;text-align:center}
.page-hero-content .small-label{font-size:11px;letter-spacing:.5em;margin-bottom:18px;opacity:.85}
.page-hero-content h1{font-size:clamp(26px,4.5vw,40px);font-weight:400;letter-spacing:.15em}

/* SECTION LABEL */
.section{padding:100px 28px;max-width:1200px;margin:0 auto}
.section-label{
  font-size:11px;letter-spacing:.5em;color:var(--color-gold);
  text-align:center;margin-bottom:18px;font-family:var(--font-sans);
}
.section-title{
  text-align:center;font-size:clamp(24px,3.5vw,34px);font-weight:400;
  letter-spacing:.18em;margin-bottom:56px;
}
.section-lead{
  max-width:640px;margin:0 auto 56px;text-align:center;
  font-size:15px;line-height:2.1;color:var(--color-mute);
}

/* CONCEPT (dark band) */
.concept{
  background:var(--color-sumi);color:#eee8dd;
  padding:110px 28px;text-align:center;
}
.concept .section-label{color:var(--color-gold)}
.concept h2{font-size:clamp(22px,3vw,32px);font-weight:400;letter-spacing:.2em;margin-bottom:36px}
.concept p{max-width:640px;margin:0 auto;font-size:15px;line-height:2.2;opacity:.88}

/* SERVICE GRID */
.service-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:36px 28px;
}
.service-card{display:block;color:var(--color-ink)}
.service-card .img-wrap{
  overflow:hidden;margin-bottom:18px;aspect-ratio:4/3;
}
.service-card .img-wrap img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .7s ease;
}
.service-card:hover .img-wrap img{transform:scale(1.05)}
.service-card .card-label{font-size:10px;letter-spacing:.3em;color:var(--color-gold);margin-bottom:8px}
.service-card h3{font-size:18px;font-weight:400;letter-spacing:.15em;margin-bottom:10px}
.service-card p{font-size:13px;color:var(--color-mute);line-height:1.9}

/* PHOTO GRID */
.photo-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px;margin:40px 0}
.photo-grid img{aspect-ratio:1/1;object-fit:cover;width:100%;height:100%}
.photo-duo{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:40px 0}
.photo-duo img{aspect-ratio:4/3;object-fit:cover;width:100%;height:100%}
.photo-wide{margin:40px 0}
.photo-wide img{width:100%;aspect-ratio:21/9;object-fit:cover}
@media(max-width:600px){.photo-duo{grid-template-columns:1fr}}

/* TESTIMONIAL */
.testimonial{
  max-width:800px;margin:0 auto 48px;
  padding:44px 36px;background:#fff;border:1px solid var(--color-rule);
}
.testimonial .stars{color:var(--color-gold);letter-spacing:.2em;margin-bottom:8px;font-size:14px}
.testimonial .meta{font-size:12px;letter-spacing:.2em;color:var(--color-mute);margin-bottom:20px}
.testimonial p{font-size:14px;line-height:2.1}

/* INFO LIST */
.info-list{max-width:760px;margin:0 auto;border-top:1px solid var(--color-rule)}
.info-list dt,.info-list dd{padding:22px 0;border-bottom:1px solid var(--color-rule)}
.info-list{display:grid;grid-template-columns:1fr 2fr;column-gap:32px}
.info-list dt{font-size:12px;letter-spacing:.2em;color:var(--color-gold);align-self:center}
.info-list dd{font-size:14px;line-height:1.9}
@media(max-width:600px){
  .info-list{grid-template-columns:1fr}
  .info-list dt{padding-bottom:4px;border-bottom:0}
  .info-list dd{padding-top:4px}
}

/* CTA */
.cta{text-align:center;padding:90px 28px}
.cta .section-label{color:var(--color-gold)}
.cta h2{font-size:clamp(22px,3vw,30px);font-weight:400;letter-spacing:.2em;margin-bottom:32px}
.btn{
  display:inline-block;padding:18px 56px;
  border:1px solid var(--color-ink);color:var(--color-ink);
  font-size:12px;letter-spacing:.3em;
  transition:all .3s ease;background:transparent;cursor:pointer;
}
.btn:hover{background:var(--color-ink);color:#fff;opacity:1}
.btn-gold{border-color:var(--color-gold);color:var(--color-gold)}
.btn-gold:hover{background:var(--color-gold);color:#fff}
.btn-white{border-color:#fff;color:#fff}
.btn-white:hover{background:#fff;color:var(--color-ink)}
.btn-row{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:24px}

/* FORM */
.contact-form{max-width:620px;margin:0 auto;display:flex;flex-direction:column;gap:20px}
.contact-form label{font-size:12px;letter-spacing:.2em;color:var(--color-gold)}
.contact-form input,.contact-form textarea{
  width:100%;padding:14px 18px;
  border:1px solid var(--color-rule);background:#fff;
  font-family:var(--font-mincho);font-size:14px;color:var(--color-ink);
  border-radius:0;
}
.contact-form input:focus,.contact-form textarea:focus{
  outline:none;border-color:var(--color-gold);
}
.contact-form textarea{min-height:160px;resize:vertical}
.contact-form .btn{align-self:center;margin-top:10px}
.form-field{display:flex;flex-direction:column;gap:8px}
.req{color:var(--color-gold);margin-left:4px}

/* NEWS */
.news-list{max-width:800px;margin:0 auto;border-top:1px solid var(--color-rule)}
.news-item{
  display:grid;grid-template-columns:140px 1fr;gap:24px;
  padding:20px 0;border-bottom:1px solid var(--color-rule);
  font-size:14px;
}
.news-item time{font-size:12px;letter-spacing:.15em;color:var(--color-gold);padding-top:2px}
@media(max-width:600px){.news-item{grid-template-columns:1fr;gap:4px}}

/* FOOTER */
.site-footer{background:var(--color-sumi);color:#d8d2c6;padding:80px 28px 40px}
.footer-inner{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1fr 2fr;gap:48px}
.footer-inner .brand{font-size:22px;letter-spacing:.15em}
.footer-inner .brand small{display:block;font-size:10px;letter-spacing:.3em;color:var(--color-gold);margin-bottom:8px}
.footer-nav{display:flex;flex-wrap:wrap;gap:18px 32px;font-size:12px;letter-spacing:.1em}
.footer-nav a{color:#d8d2c6}
.footer-bottom{max-width:1100px;margin:48px auto 0;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);font-size:11px;letter-spacing:.1em;color:#8a8275;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
@media(max-width:700px){.footer-inner{grid-template-columns:1fr}}

/* UTIL */
.divider{width:40px;height:1px;background:var(--color-gold);margin:24px auto}
.text-center{text-align:center}

/* ===== ENHANCEMENTS ===== */

/* FONTS - Noto Serif JP via Google Fonts <link> in HTML */
:root{
  --font-mincho:'Noto Serif JP',"Yu Mincho","游明朝","YuMincho","Hiragino Mincho ProN","Hiragino Mincho Pro",serif;
  --font-en:'Cormorant Garamond',Georgia,serif;
}
.section-label,.card-label,.small-label,.hero-content .small-label,.page-hero-content .small-label{font-family:var(--font-en)}

/* SECTION LABEL DECORATION */
.section-label::after{content:'';display:block;width:24px;height:1px;background:var(--color-gold);margin:10px auto 0}

/* HAMBURGER */
.menu-toggle{font-size:0;flex-direction:column;justify-content:center;align-items:center;padding:6px;width:40px;height:40px;gap:5px}
.menu-toggle span{display:block;width:22px;height:1.5px;background:var(--color-ink);transition:transform .3s,opacity .3s;pointer-events:none}
@media(max-width:820px){.menu-toggle{display:flex}}
.menu-toggle.active span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* ACTIVE NAV LINK */
.nav a.active{color:var(--color-gold)}

/* HEADER SCROLL STATE */
.site-header{transition:box-shadow .3s}
.site-header.scrolled{box-shadow:0 2px 24px rgba(26,20,18,.1)}
.header-inner{transition:padding .35s}
.site-header.scrolled .header-inner{padding-top:12px;padding-bottom:12px}

/* BREADCRUMB */
.breadcrumb{background:#f0ebe0;border-bottom:1px solid var(--color-rule)}
.breadcrumb-inner{max-width:1200px;margin:0 auto;padding:10px 28px;display:flex;align-items:center;gap:8px;font-size:11px;letter-spacing:.1em;color:var(--color-mute);font-family:var(--font-en)}
.breadcrumb-inner a{color:var(--color-mute);transition:color .2s}
.breadcrumb-inner a:hover{color:var(--color-gold);opacity:1}
.breadcrumb-inner .sep{color:var(--color-rule)}

/* SCROLL REVEAL */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s ease,transform .8s ease}
.reveal.visible{opacity:1;transform:none}
.reveal-d1{transition-delay:.1s}
.reveal-d2{transition-delay:.2s}
.reveal-d3{transition-delay:.3s}
.reveal-d4{transition-delay:.4s}
.reveal-d5{transition-delay:.5s}

/* BACK TO TOP */
#back-top{
  position:fixed;bottom:28px;right:28px;z-index:100;
  width:46px;height:46px;border:none;cursor:pointer;
  background:var(--color-sumi);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;letter-spacing:0;
  opacity:0;pointer-events:none;transform:translateY(10px);
  transition:opacity .35s,transform .35s,background .25s;
}
#back-top.show{opacity:1;pointer-events:auto;transform:none}
#back-top:hover{background:var(--color-gold)}

/* HERO SCROLL INDICATOR */
.hero-scroll{position:absolute;bottom:32px;left:50%;transform:translateX(-50%);z-index:1;display:flex;flex-direction:column;align-items:center;gap:8px;pointer-events:none}
.hero-scroll span{font-size:9px;letter-spacing:.5em;color:rgba(255,255,255,.75);font-family:var(--font-en)}
.hero-scroll-line{width:1px;height:44px;background:rgba(255,255,255,.5);animation:scroll-line 2.2s ease-in-out infinite}
@keyframes scroll-line{0%{transform:scaleY(0);transform-origin:top;opacity:1}50%{transform:scaleY(1);transform-origin:top;opacity:1}51%{transform:scaleY(1);transform-origin:bottom;opacity:1}100%{transform:scaleY(0);transform-origin:bottom;opacity:0}}

/* LINE BUTTON */
.btn-line{border-color:#06C755;color:#06C755}
.btn-line:hover{background:#06C755;color:#fff;opacity:1}

/* FOOTER LINE LINK */
.footer-line-link{display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-size:11px;letter-spacing:.15em;color:#8ab88a;border:1px solid rgba(138,184,138,.4);padding:8px 16px;transition:border-color .25s,color .25s}
.footer-line-link:hover{color:#06C755;border-color:#06C755;opacity:1}

/* TESTIMONIAL QUOTE */
.testimonial{position:relative;overflow:hidden}
.testimonial .quote-mark{position:absolute;top:20px;left:28px;font-size:64px;line-height:1;color:var(--color-gold);opacity:.18;font-family:Georgia,serif;pointer-events:none}

/* PRICE GUIDE CARDS */
.price-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;margin:40px 0}
.price-card{background:#fff;border:1px solid var(--color-rule);padding:36px 28px;text-align:center}
.price-card .price-label{font-size:10px;letter-spacing:.3em;color:var(--color-gold);margin-bottom:12px;font-family:var(--font-en)}
.price-card h3{font-size:17px;font-weight:400;letter-spacing:.15em;margin-bottom:16px}
.price-card .price-amount{font-size:clamp(22px,3vw,28px);color:var(--color-gold);letter-spacing:.05em;margin-bottom:8px}
.price-card p{font-size:12px;color:var(--color-mute);line-height:1.9}

/* NEWS ITEM AS LINK */
a.news-item{color:var(--color-ink);transition:background .25s,padding-left .25s}
a.news-item:hover{background:rgba(255,255,255,.45);padding-left:12px;opacity:1}

/* NEWS LIST PAGE (news.html) */
.news-card-list{max-width:860px;margin:0 auto}
.news-card{display:grid;grid-template-columns:180px 1fr;gap:28px;padding:36px 0;border-bottom:1px solid var(--color-rule);color:var(--color-ink)}
.news-card:first-child{border-top:1px solid var(--color-rule)}
.news-card:hover{opacity:.8}
.news-card .thumb{overflow:hidden;aspect-ratio:4/3;flex-shrink:0}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.news-card:hover .thumb img{transform:scale(1.05)}
.news-card-body{display:flex;flex-direction:column;justify-content:center}
.news-card-body time{font-size:11px;letter-spacing:.25em;color:var(--color-gold);display:block;margin-bottom:10px;font-family:var(--font-en)}
.news-card-body .tag{display:inline-block;background:var(--color-gold);color:#fff;font-size:9px;letter-spacing:.25em;padding:3px 10px;margin-bottom:10px;font-family:var(--font-en)}
.news-card-body h2{font-size:16px;font-weight:400;letter-spacing:.1em;margin-bottom:10px;line-height:1.7}
.news-card-body p{font-size:13px;color:var(--color-mute);line-height:1.9}
@media(max-width:640px){.news-card{grid-template-columns:1fr}.news-card .thumb{aspect-ratio:16/9}}

/* BLOG POST PAGE */
.post-header{max-width:760px;margin:0 auto 56px}
.post-header time{font-size:11px;letter-spacing:.3em;color:var(--color-gold);display:block;margin-bottom:12px;font-family:var(--font-en)}
.post-header .tag{display:inline-block;background:var(--color-gold);color:#fff;font-size:9px;letter-spacing:.25em;padding:3px 12px;margin-bottom:20px;font-family:var(--font-en)}
.post-header h1{font-size:clamp(20px,3vw,28px);font-weight:400;letter-spacing:.12em;line-height:1.6}
.post-content{max-width:760px;margin:0 auto;font-size:15px;line-height:2.2}
.post-content p{margin-bottom:28px}
.post-content h2{font-size:18px;font-weight:400;letter-spacing:.15em;margin:48px 0 18px;padding-bottom:10px;border-bottom:1px solid var(--color-rule)}
.post-content img{width:100%;margin:36px 0;display:block}
.post-content img.half{max-width:480px;margin:36px auto}
.post-nav{max-width:760px;margin:72px auto 0;display:flex;justify-content:space-between;gap:16px;padding-top:32px;border-top:1px solid var(--color-rule);font-size:12px;letter-spacing:.1em}
.post-nav a{color:var(--color-mute)}
.post-nav a:hover{color:var(--color-gold);opacity:1}

/* STEP FLOW (numbered) */
.flow-list{max-width:700px;margin:0 auto;counter-reset:flow}
.flow-item{display:grid;grid-template-columns:56px 1fr;gap:24px;padding:28px 0;border-bottom:1px solid var(--color-rule);align-items:start;counter-increment:flow}
.flow-item:first-child{border-top:1px solid var(--color-rule)}
.flow-num{width:48px;height:48px;background:var(--color-sumi);color:#fff;display:flex;align-items:center;justify-content:center;font-size:11px;letter-spacing:.1em;flex-shrink:0;font-family:var(--font-en)}
.flow-item h3{font-size:15px;font-weight:400;letter-spacing:.12em;margin-bottom:6px}
.flow-item p{font-size:13px;color:var(--color-mute);line-height:1.9}
@media(max-width:600px){.flow-item{grid-template-columns:44px 1fr;gap:16px}}

/* App Promo Section */
.app-promo {
  display: flex;
  align-items: center;
  gap: 60px;
  max-width: 900px;
  margin: 0 auto;
}
.app-promo-text {
  flex: 1;
}
.app-promo-text p {
  line-height: 2;
  margin-bottom: 20px;
}
.app-promo-text ul {
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
}
.app-promo-text ul li {
  padding: 8px 0 8px 24px;
  position: relative;
  font-size: 14px;
  border-bottom: 1px solid var(--color-border);
}
.app-promo-text ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-gold);
}
.btn-appstore {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #000;
  color: #fff;
  padding: 14px 28px;
  border-radius: 12px;
  font-size: 14px;
  text-decoration: none;
  transition: opacity .2s;
}
.btn-appstore:hover { opacity: .8; }
.app-promo-qr {
  text-align: center;
  flex-shrink: 0;
}
.app-promo-qr img {
  width: 160px;
  height: 160px;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  padding: 8px;
  background: #fff;
}
.app-promo-qr p {
  font-size: 12px;
  color: var(--color-mute);
  margin-top: 10px;
  line-height: 1.6;
}
@media (max-width: 640px) {
  .app-promo { flex-direction: column; gap: 32px; }
  .app-promo-qr img { width: 130px; height: 130px; }
}

/* ロゴ画像 */
.header-logo-img {
  height: 36px;
  width: auto;
  display: block;
}
.footer-logo-img {
  height: 52px;
  width: auto;
  display: block;
  background: #fff;
  padding: 4px 10px;
  border-radius: 6px;
}
@media (max-width: 768px) {
  .header-logo-img { height: 30px; }
  .footer-logo-img { height: 44px; }
}