@import url('https://fonts.googleapis.com/css2?family=Zen+Kaku+Gothic+New:wght@400;500;700;900&family=Noto+Sans+JP:wght@400;500;700&family=Shippori+Mincho:wght@600;800&display=swap');

:root{
  --navy:#1c2b30;
  --navy-deep:#121d21;
  --paper:#f5f2ea;
  --paper-soft:#eee9dc;
  --amber:#c07a3e;
  --amber-deep:#a5622c;
  --line:#d9d2bf;
  --ink:#22282a;
  --ink-soft:#5b6366;
  --white:#ffffff;
  --radius:2px;
  --maxw:1180px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans JP","Zen Kaku Gothic New",sans-serif;
  background:var(--paper);
  color:var(--ink);
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{font-family:"Zen Kaku Gothic New",sans-serif;font-weight:700;margin:0;line-height:1.4;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.eyebrow{
  display:inline-block;font-size:.75rem;letter-spacing:.18em;color:var(--amber-deep);
  font-weight:700;margin-bottom:.9em;text-transform:uppercase;
}
.sec{padding:88px 0;}
.sec-tight{padding:56px 0;}
.sec-alt{background:var(--paper-soft);}
.sec-dark{background:var(--navy);color:#e8e4d8;}
.sec-dark .eyebrow{color:var(--amber);}
.center{text-align:center;}
.h2{font-size:clamp(1.5rem,3.4vw,2.1rem);letter-spacing:.02em;}
.lead{color:var(--ink-soft);font-size:1.02rem;max-width:640px;}
.sec-dark .lead{color:#c7c2b3;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5em;
  padding:14px 30px;font-weight:700;font-size:.92rem;
  border-radius:var(--radius);border:1px solid transparent;
  cursor:pointer;transition:transform .15s ease,opacity .15s ease;
  letter-spacing:.03em;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--amber);color:#fff;}
.btn-primary:hover{background:var(--amber-deep);}
.btn-outline{border-color:var(--navy);color:var(--navy);}
.sec-dark .btn-outline{border-color:#e8e4d8;color:#e8e4d8;}
.btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:500;
  background:rgba(28,43,48,.96);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.site-header .wrap{
  display:flex;align-items:center;justify-content:space-between;
  height:74px;
}
.brand{display:flex;align-items:center;gap:10px;color:#fff;}
.brand-mark{
  width:38px;height:38px;border:1.5px solid var(--amber);
  display:flex;align-items:center;justify-content:center;
  font-family:"Shippori Mincho",serif;font-weight:800;color:var(--amber);font-size:1.1rem;
}
.brand-text{font-family:"Shippori Mincho",serif;font-weight:800;font-size:1.12rem;letter-spacing:.04em;}
.brand-en{display:block;font-size:.6rem;letter-spacing:.24em;color:#a7b0a9;font-weight:500;margin-top:2px;}

.nav-desktop{display:flex;align-items:center;gap:34px;}
.nav-desktop a{color:#d9dbd2;font-size:.9rem;font-weight:500;position:relative;padding:4px 0;}
.nav-desktop a:hover{color:#fff;}
.nav-desktop a.current{color:var(--amber);}
.nav-cta{background:var(--amber);color:#fff!important;padding:10px 20px;border-radius:2px;font-weight:700;}
.nav-cta:hover{background:var(--amber-deep);}

.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid rgba(255,255,255,.3);
  background:transparent;position:relative;cursor:pointer;flex-shrink:0;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:'';position:absolute;left:11px;right:11px;height:2px;background:#fff;transition:.25s;
}
.nav-toggle span{top:21px;}
.nav-toggle span::before{content:'';top:-7px;}
.nav-toggle span::after{content:'';top:7px;}
.nav-toggle.active span{background:transparent;}
.nav-toggle.active span::before{top:0;transform:rotate(45deg);}
.nav-toggle.active span::after{top:0;transform:rotate(-45deg);}

.nav-mobile{
  display:none;
  position:fixed;top:74px;left:0;right:0;bottom:0;
  background:#121d21;
  z-index:499;
  opacity:0;visibility:hidden;
  transform:translateY(-8px);
  will-change:transform;
  transition:opacity .2s ease,transform .2s ease,visibility .2s;
  overflow-y:auto;
}
.nav-mobile.open{opacity:1;visibility:visible;transform:translateY(0);}
.nav-mobile .wrap{padding:36px 24px;display:flex;flex-direction:column;gap:4px;}
.nav-mobile a{
  color:#e8e4d8;font-size:1.08rem;padding:16px 4px;border-bottom:1px solid rgba(255,255,255,.08);font-weight:500;
}
.nav-mobile a.current{color:var(--amber);}
.nav-mobile .nav-cta{margin-top:20px;text-align:center;}

@media (max-width:900px){
  .nav-desktop{display:none;}
  .nav-toggle{display:block;}
  .nav-mobile{display:block;}
}

/* ---------- hero ---------- */
.hero{
  position:relative;color:#fff;overflow:hidden;
  min-height:78vh;display:flex;align-items:flex-end;
}
.hero-media{position:absolute;inset:0;z-index:0;}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,29,33,.35) 0%,rgba(18,29,33,.55) 55%,rgba(18,29,33,.92) 100%);
}
.hero-body{position:relative;z-index:1;padding:0 0 72px;width:100%;}
.hero-tag{
  display:inline-block;background:var(--amber);color:#fff;font-size:.75rem;
  letter-spacing:.16em;padding:6px 14px;margin-bottom:22px;font-weight:700;
}
.hero h1{font-size:clamp(2rem,4.6vw,3.1rem);letter-spacing:.03em;margin-bottom:18px;}
.hero h1 span{color:var(--amber);}
.hero-sub{font-size:1.02rem;color:#e4e1d4;max-width:560px;margin-bottom:32px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.page-hero{
  position:relative;color:#fff;padding:120px 0 48px;
}
.page-hero-media{position:absolute;inset:0;z-index:0;}
.page-hero-media img{width:100%;height:100%;object-fit:cover;}
.page-hero-media::after{content:'';position:absolute;inset:0;background:rgba(18,29,33,.72);}
.page-hero .wrap{position:relative;z-index:1;}
.page-hero .eyebrow{color:var(--amber);}
.page-hero h1{font-size:clamp(1.7rem,3.6vw,2.5rem);}
.breadcrumb{font-size:.8rem;color:#c7c2b3;margin-top:14px;}
.breadcrumb a{color:#c7c2b3;}
.breadcrumb a:hover{color:#fff;}

/* ---------- grids / cards ---------- */
.grid{display:grid;gap:28px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
@media (max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}}
@media (max-width:640px){.grid-3,.grid-4,.grid-2{grid-template-columns:1fr;}}

.stat-row{display:flex;gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:48px 0;}
.stat{flex:1;padding:26px 20px;text-align:center;border-left:1px solid var(--line);}
.stat:first-child{border-left:none;}
.stat b{display:block;font-size:2.1rem;font-family:"Shippori Mincho",serif;color:var(--navy);}
.stat span{font-size:.8rem;color:var(--ink-soft);}
@media (max-width:640px){.stat-row{flex-wrap:wrap;}.stat{flex:1 1 50%;border-left:none;border-top:1px solid var(--line);}.stat:nth-child(-n+2){border-top:none;}}

.strength-card{background:#fff;padding:36px 28px;border:1px solid var(--line);}
.strength-card .num{font-family:"Shippori Mincho",serif;font-size:1.6rem;color:var(--amber);margin-bottom:14px;display:block;}
.strength-card h3{font-size:1.08rem;margin-bottom:12px;}
.strength-card p{font-size:.9rem;color:var(--ink-soft);margin-bottom:0;}

.work-card{background:#fff;border:1px solid var(--line);overflow:hidden;transition:box-shadow .2s;}
.work-card:hover{box-shadow:0 10px 28px rgba(18,29,33,.1);}
.work-thumb{aspect-ratio:4/3;overflow:hidden;}
.work-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s;}
.work-card:hover .work-thumb img{transform:scale(1.05);}
.work-body{padding:20px 22px 24px;}
.work-cat{font-size:.7rem;color:var(--amber-deep);font-weight:700;letter-spacing:.06em;}
.work-body h3{font-size:1rem;margin:8px 0 6px;}
.work-meta{font-size:.78rem;color:var(--ink-soft);}

.col-card{background:#fff;border:1px solid var(--line);}
.col-thumb{aspect-ratio:16/9;overflow:hidden;}
.col-thumb img{width:100%;height:100%;object-fit:cover;}
.col-body{padding:20px 22px 24px;}
.col-date{font-size:.75rem;color:var(--ink-soft);}
.col-tag{display:inline-block;background:var(--paper-soft);color:var(--navy);font-size:.7rem;padding:3px 10px;margin-right:6px;font-weight:700;}
.col-body h3{font-size:1.02rem;margin:10px 0 8px;}
.col-excerpt{font-size:.85rem;color:var(--ink-soft);}

/* ---------- filter tabs ---------- */
.filter-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:40px;}
.filter-tabs button{
  padding:9px 20px;border:1px solid var(--line);background:#fff;font-size:.85rem;
  font-weight:700;color:var(--ink-soft);cursor:pointer;transition:.15s;
}
.filter-tabs button.active,.filter-tabs button:hover{background:var(--navy);color:#fff;border-color:var(--navy);}

/* ---------- section header w/ link ---------- */
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:44px;flex-wrap:wrap;}
.text-link{font-size:.85rem;font-weight:700;color:var(--navy);border-bottom:2px solid var(--amber);padding-bottom:3px;white-space:nowrap;}
.sec-dark .text-link{color:#fff;}

/* ---------- footer ---------- */
.site-footer{background:var(--navy-deep);color:#c7c2b3;padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;margin-bottom:48px;}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;}}
.footer-grid h4{color:#fff;font-size:.85rem;margin-bottom:16px;letter-spacing:.04em;}
.footer-grid li{margin-bottom:9px;font-size:.85rem;}
.footer-grid a:hover{color:#fff;}
.footer-brand .brand-text{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:22px;font-size:.75rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:#7e857f;}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--navy) 0%,#28393e 100%);
  color:#fff;padding:64px 0;text-align:center;
}
.cta-band h2{font-size:clamp(1.4rem,3vw,1.9rem);margin-bottom:14px;}
.cta-band p{color:#c7c2b3;margin-bottom:30px;}

/* ---------- form ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
@media (max-width:640px){.form-grid{grid-template-columns:1fr;}}
.field{margin-bottom:20px;}
.field.full{grid-column:1/-1;}
.field label{display:block;font-size:.85rem;font-weight:700;margin-bottom:8px;}
.field .req{color:#b3452f;font-size:.72rem;font-weight:700;margin-left:6px;}
.field input,.field select,.field textarea{
  width:100%;padding:13px 14px;border:1px solid var(--line);background:#fff;
  font-family:inherit;font-size:.92rem;color:var(--ink);border-radius:var(--radius);
}
.field textarea{resize:vertical;min-height:130px;}
.form-note{font-size:.78rem;color:var(--ink-soft);margin-top:18px;}

/* ---------- editor mock (self-update pitch) ---------- */
.editor-toggle-bar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  background:var(--navy);color:#fff;padding:16px 22px;margin-bottom:0;
}
.editor-toggle-bar p{margin:0;font-size:.85rem;color:#d9dbd2;}
.switch{
  display:inline-flex;align-items:center;gap:10px;cursor:pointer;user-select:none;font-size:.82rem;font-weight:700;
}
.switch input{display:none;}
.switch .track{width:46px;height:26px;background:#4a565a;border-radius:20px;position:relative;transition:.2s;flex-shrink:0;}
.switch .track::after{content:'';position:absolute;width:20px;height:20px;background:#fff;border-radius:50%;top:3px;left:3px;transition:.2s;}
.switch input:checked + .track{background:var(--amber);}
.switch input:checked + .track::after{transform:translateX(20px);}

.editable{position:relative;outline:2px dashed transparent;outline-offset:4px;transition:outline-color .15s,background .15s;}
body.edit-mode .editable{outline-color:#c07a3e88;background:rgba(192,122,62,.06);}
.editable .edit-pin{
  position:absolute;top:-14px;left:-14px;width:28px;height:28px;background:var(--amber);color:#fff;
  border-radius:50%;display:none;align-items:center;justify-content:center;font-size:.85rem;font-weight:700;
  box-shadow:0 4px 10px rgba(0,0,0,.25);z-index:5;
}
body.edit-mode .editable .edit-pin{display:flex;}

/* ---------- detail data table ---------- */
.data-table{width:100%;border-collapse:collapse;margin:28px 0;}
.data-table th,.data-table td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);font-size:.9rem;}
.data-table th{width:34%;color:var(--ink-soft);font-weight:700;background:var(--paper-soft);}

/* ---------- FAQ accordion ---------- */
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:22px 4px;cursor:pointer;font-weight:700;font-size:.98rem;
}
.faq-q::after{content:'+';font-size:1.4rem;color:var(--amber);font-weight:400;flex-shrink:0;transition:transform .2s;}
.faq-item.open .faq-q::after{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.faq-item.open .faq-a{max-height:400px;}
.faq-a p{padding:0 4px 22px;color:var(--ink-soft);font-size:.9rem;}

/* ---------- seo panel mock ---------- */
.seo-mock{background:#fff;border:1px solid var(--line);padding:0;}
.seo-mock-head{background:var(--paper-soft);padding:12px 18px;font-size:.75rem;font-weight:700;color:var(--ink-soft);border-bottom:1px solid var(--line);display:flex;justify-content:space-between;}
.seo-mock-body{padding:20px 22px;}
.seo-mock-row{margin-bottom:16px;}
.seo-mock-row label{display:block;font-size:.72rem;color:var(--ink-soft);font-weight:700;margin-bottom:6px;}
.seo-mock-row .val{background:var(--paper);border:1px solid var(--line);padding:9px 12px;font-size:.83rem;}
.seo-preview{border:1px solid var(--line);padding:14px 16px;background:#fafaf7;}
.seo-preview .url{color:#1a7a3c;font-size:.78rem;margin-bottom:4px;}
.seo-preview .title{color:#1a0dab;font-size:1rem;margin-bottom:4px;}
.seo-preview .desc{color:#4d5156;font-size:.82rem;}

/* ---------- toc ---------- */
.toc{background:var(--paper-soft);border:1px solid var(--line);padding:22px 24px;margin:32px 0;}
.toc h4{font-size:.85rem;margin-bottom:12px;}
.toc li{font-size:.86rem;margin-bottom:8px;}
.toc a{color:var(--navy);border-bottom:1px solid var(--line);}
.toc a:hover{color:var(--amber-deep);}

.article-body h2{font-size:1.28rem;margin:40px 0 16px;}
.article-body h3{font-size:1.05rem;margin:28px 0 12px;}
.article-body p{color:var(--ink-soft);font-size:.96rem;}
.article-body img{margin:24px 0;}
.cta-box{background:var(--paper-soft);border-left:4px solid var(--amber);padding:24px 26px;margin:32px 0;}
.cta-box p{margin-bottom:14px;}

.skip-link{position:absolute;left:-9999px;}