:root{
    --ink:#0a121d;
    --ink-2:#101d2e;
    --panel:#0e1a29;
    --tide:#1fc2b8;
    --tide-dim:#146b66;
    --gold:#d9a94e;
    --foam:#eee8db;
    --foam-dim:#c9c2b3;
    --muted:#7c8ba0;
    --line:rgba(238,232,219,0.09);
    --maxw:1180px;
  }

  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--ink);
    color:var(--foam);
    font-family:'Zen Kaku Gothic New', sans-serif;
    font-weight:400;
    line-height:1.9;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  h1,h2,h3,.display{
    font-family:'Shippori Mincho', serif;
    font-weight:600;
    letter-spacing:0.02em;
    margin:0;
  }
  .eyebrow{
    font-family:'JetBrains Mono', monospace;
    font-size:0.72rem;
    letter-spacing:0.28em;
    text-transform:uppercase;
    color:var(--tide);
  }
  a{color:inherit;text-decoration:none;}
  img,svg{display:block;max-width:100%;}
  button{font-family:inherit;}

  :focus-visible{
    outline:2px solid var(--tide);
    outline-offset:4px;
  }

  .wrap{
    max-width:var(--maxw);
    margin:0 auto;
    padding:0 32px;
  }

  /* ---------- header ---------- */
  header.site{
    position:fixed;
    top:0; left:0; right:0;
    z-index:100;
    padding:22px 0;
    transition:background .4s ease, padding .4s ease, border-color .4s ease;
    border-bottom:1px solid transparent;
  }
  header.site.solid{
    background:rgba(10,18,29,0.86);
    backdrop-filter:blur(10px);
    padding:14px 0;
    border-bottom:1px solid var(--line);
  }
  header.site .wrap{
    display:flex;
    align-items:center;
    justify-content:space-between;
  }
  .logo{
    font-family:'Shippori Mincho', serif;
    font-size:1.5rem;
    font-weight:800;
    letter-spacing:0.12em;
    display:flex;
    align-items:center;
    gap:10px;
  }
  .logo .dot{
    width:7px;height:7px;border-radius:50%;
    background:var(--tide);
    box-shadow:0 0 10px 2px rgba(31,194,184,0.7);
  }
  nav.primary{
    display:flex;
    gap:36px;
    font-size:0.86rem;
    letter-spacing:0.04em;
  }
  nav.primary a{
    color:var(--foam-dim);
    position:relative;
    padding-bottom:4px;
    transition:color .25s ease;
  }
  nav.primary a:hover{color:var(--foam);}
  nav.primary a::after{
    content:'';
    position:absolute; left:0; bottom:0;
    width:0; height:1px;
    background:var(--tide);
    transition:width .3s ease;
  }
  nav.primary a:hover::after{width:100%;}
  @media (max-width:760px){
    nav.primary{display:none;}
  }

  /* ---------- hero / carousel ---------- */
  .hero{
    position:relative;
    height:100svh;
    min-height:600px;
    display:flex;
    align-items:flex-end;
    overflow:hidden;
    background:
      radial-gradient(1100px 700px at 82% 8%, rgba(31,194,184,0.16), transparent 60%),
      radial-gradient(900px 600px at 10% 95%, rgba(217,169,78,0.10), transparent 55%),
      var(--ink);
  }
  .tideline-field{
    position:absolute;
    inset:0;
    opacity:0.55;
    pointer-events:none;
  }
  .tideline-field svg{width:100%;height:100%;}
  .tideline-field path{
    fill:none;
    stroke-width:1;
  }
  .tl-a{stroke:rgba(31,194,184,0.5);}
  .tl-b{stroke:rgba(31,194,184,0.22);}
  .tl-c{stroke:rgba(217,169,78,0.22);}

  .hero-inner{
    position:relative;
    z-index:2;
    width:100%;
    padding-bottom:96px;
  }
  .hero-inner .wrap{
    display:block;
  }
  .slides{position:relative; min-height:230px;}
  .slide{
    position:absolute; inset:0 0 auto 0;
    opacity:0; transform:translateY(18px);
    transition:opacity .8s ease, transform .8s ease;
    pointer-events:none;
  }
  .slide.active{
    position:relative;
    opacity:1; transform:translateY(0);
    pointer-events:auto;
  }
  .slide .eyebrow{margin-bottom:18px; display:block;}
  .slide h1{
    font-size:clamp(2.1rem, 5.2vw, 4rem);
    line-height:1.35;
    color:var(--foam);
    margin-bottom:22px;
  }
  .slide h1 em{
    font-style:normal;
    color:var(--tide);
  }
  .slide p{
    max-width:560px;
    color:var(--foam-dim);
    font-size:0.98rem;
    line-height:2;
  }

  .hero-foot{
    display:flex;
    align-items:center;
    justify-content:space-between;
    margin-top:44px;
    gap:24px;
    flex-wrap:wrap;
  }
  .dots{display:flex; gap:10px;}
  .dots button{
    width:34px; height:3px;
    background:rgba(238,232,219,0.22);
    border:none; cursor:pointer;
    padding:0; position:relative;
    border-radius:2px;
    overflow:hidden;
  }
  .dots button::after{
    content:'';
    position:absolute; inset:0;
    background:var(--tide);
    transform:scaleX(0);
    transform-origin:left;
  }
  .dots button.active::after{
    transform:scaleX(1);
    transition:transform 6s linear;
  }
  .scroll-cue{
    font-family:'JetBrains Mono', monospace;
    font-size:0.7rem;
    letter-spacing:0.2em;
    color:var(--muted);
    display:flex;
    align-items:center;
    gap:10px;
  }
  .scroll-cue .bar{
    width:1px; height:26px;
    background:linear-gradient(var(--tide), transparent);
  }

  /* ---------- section shell ---------- */
  section{
    position:relative;
    padding:120px 0;
    border-top:1px solid var(--line);
  }
  .section-head{
    margin-bottom:56px;
  }
  .section-head .eyebrow{margin-bottom:14px; display:block;}
  .section-head h2{
    font-size:clamp(1.7rem, 3.4vw, 2.5rem);
    color:var(--foam);
  }

  /* ---------- concept ---------- */
  .concept .grid{
    display:grid;
    grid-template-columns:0.9fr 1.1fr;
    gap:64px;
    align-items:start;
  }
  @media (max-width:860px){
    .concept .grid{grid-template-columns:1fr; gap:36px;}
  }
  .concept-lead{
    font-size:clamp(1.6rem,3vw,2.3rem);
    line-height:1.6;
    color:var(--foam);
  }
  .concept-lead .brush{
    display:inline-block;
    position:relative;
  }
  .concept-lead .brush::after{
    content:'';
    position:absolute; left:-4px; right:-4px; bottom:-6px; height:8px;
    background:linear-gradient(90deg, var(--tide), transparent);
    opacity:0.35;
    border-radius:2px;
  }
  .concept-body p{
    color:var(--foam-dim);
    margin:0 0 22px 0;
    font-size:0.98rem;
  }
  .concept-body p:last-child{margin-bottom:0;}
  .concept-body strong{color:var(--foam); font-weight:700;}

  /* ---------- mission / vision ---------- */
  .mv{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:1px;
    background:var(--line);
    border:1px solid var(--line);
  }
  @media (max-width:820px){
    .mv{grid-template-columns:1fr;}
  }
  .mv-card{
    background:var(--ink);
    padding:52px 48px;
  }
  .mv-card .tag{
    font-family:'JetBrains Mono', monospace;
    font-size:0.7rem;
    letter-spacing:0.24em;
    color:var(--gold);
    display:block;
    margin-bottom:20px;
  }
  .mv-card h3{
    font-size:clamp(1.4rem,2.4vw,1.9rem);
    color:var(--foam);
    margin-bottom:20px;
  }
  .mv-card p{color:var(--foam-dim); font-size:0.95rem;}

  /* ---------- value / flow ---------- */
  .value-lead{
    max-width:640px;
    color:var(--foam-dim);
    margin-bottom:70px;
    font-size:1rem;
  }
  .flow{
    position:relative;
  }
  .flow-line{
    position:absolute;
    top:34px; left:0; right:0;
    height:2px;
    z-index:0;
  }
  .flow-line svg{width:100%; height:60px; overflow:visible;}
  .flow-line path{
    fill:none;
    stroke:var(--line);
    stroke-width:2;
  }
  .flow-line path.fill{
    stroke:var(--tide);
    stroke-dasharray:1000;
    stroke-dashoffset:1000;
    transition:stroke-dashoffset 1.6s cubic-bezier(.2,.7,.2,1);
  }
  .flow.in-view .flow-line path.fill{
    stroke-dashoffset:0;
  }
  .flow-steps{
    position:relative;
    z-index:1;
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:28px;
  }
  @media (max-width:900px){
    .flow-steps{grid-template-columns:1fr 1fr;}
    .flow-line{display:none;}
  }
  @media (max-width:560px){
    .flow-steps{grid-template-columns:1fr;}
  }
  .flow-step{
    padding-top:0;
  }
  .flow-step .node{
    width:12px; height:12px; border-radius:50%;
    background:var(--ink);
    border:2px solid var(--tide);
    margin-bottom:22px;
    box-shadow:0 0 0 5px var(--ink);
  }
  .flow-step .num{
    font-family:'JetBrains Mono', monospace;
    font-size:0.72rem;
    color:var(--muted);
    letter-spacing:0.1em;
    display:block;
    margin-bottom:10px;
  }
  .flow-step h4{
    font-family:'Shippori Mincho', serif;
    font-size:1.15rem;
    font-weight:600;
    color:var(--foam);
    margin:0 0 12px 0;
  }
  .flow-step p{
    color:var(--foam-dim);
    font-size:0.9rem;
    margin:0;
  }
  .value-close{
    margin-top:64px;
    padding-top:36px;
    border-top:1px solid var(--line);
    font-family:'Shippori Mincho', serif;
    font-size:clamp(1.2rem,2.4vw,1.6rem);
    color:var(--foam);
  }
  .value-close span{color:var(--tide);}

  /* ---------- cta ---------- */
  .cta{
    text-align:center;
    padding:150px 0;
    background:
      radial-gradient(700px 400px at 50% 0%, rgba(31,194,184,0.14), transparent 60%),
      var(--ink-2);
  }
  .cta .eyebrow{justify-content:center; display:flex;}
  .cta h2{
    font-size:clamp(2rem,4.6vw,3.2rem);
    color:var(--foam);
    margin:20px 0 26px 0;
  }
  .cta p{
    color:var(--foam-dim);
    max-width:520px;
    margin:0 auto 40px auto;
  }
  .cta-btn{
    display:inline-flex;
    align-items:center;
    gap:12px;
    padding:16px 34px;
    border:1px solid var(--tide);
    color:var(--foam);
    font-size:0.92rem;
    letter-spacing:0.04em;
    border-radius:2px;
    position:relative;
    overflow:hidden;
    transition:color .3s ease;
  }
  .cta-btn::before{
    content:'';
    position:absolute; inset:0;
    background:var(--tide);
    transform:translateX(-101%);
    transition:transform .35s ease;
    z-index:-1;
  }
  .cta-btn:hover{color:var(--ink);}
  .cta-btn:hover::before{transform:translateX(0);}

  /* ---------- footer ---------- */
  footer{
    padding:48px 0;
    border-top:1px solid var(--line);
  }
  footer .wrap{
    display:flex;
    justify-content:space-between;
    align-items:center;
    flex-wrap:wrap;
    gap:16px;
  }
  footer .logo{font-size:1.1rem;}
  footer .tagline{
    color:var(--muted);
    font-size:0.82rem;
    font-family:'JetBrains Mono', monospace;
    letter-spacing:0.05em;
  }

  [data-reveal]{
    opacity:0;
    transform:translateY(24px);
    transition:opacity .8s ease, transform .8s ease;
  }
  [data-reveal].visible{
    opacity:1;
    transform:translateY(0);
  }

  @media (prefers-reduced-motion: reduce){
    *{transition-duration:0.01ms !important; animation-duration:0.01ms !important;}
    html{scroll-behavior:auto;}
  }

/* ============================================================
   Sub-page shared components (services / pricing / company)
   ============================================================ */

.page-hero{
  position:relative;
  padding:190px 0 90px 0;
  border-top:none;
  overflow:hidden;
  background:
    radial-gradient(900px 500px at 85% 0%, rgba(31,194,184,0.14), transparent 60%),
    var(--ink);
}
.page-hero .tideline-field{opacity:0.4;}
.page-hero .eyebrow{margin-bottom:18px; display:block;}
.page-hero h1{
  font-size:clamp(2rem, 4.6vw, 3.2rem);
  color:var(--foam);
  line-height:1.5;
}
.page-hero .lead{
  margin-top:22px;
  max-width:600px;
  color:var(--foam-dim);
  font-size:0.98rem;
}
.crumb{
  font-family:'JetBrains Mono', monospace;
  font-size:0.72rem;
  letter-spacing:0.12em;
  color:var(--muted);
  margin-top:28px;
}
.crumb a{color:var(--tide);}
.crumb a:hover{text-decoration:underline;}

/* ---- service detail blocks ---- */
.service-list{display:flex; flex-direction:column;}
.service-item{
  display:grid;
  grid-template-columns:120px 1fr;
  gap:40px;
  padding:56px 0;
  border-top:1px solid var(--line);
}
.service-item:last-child{border-bottom:1px solid var(--line);}
@media (max-width:760px){
  .service-item{grid-template-columns:1fr; gap:20px;}
}
.service-mark{
  display:flex; flex-direction:column; gap:14px;
}
.service-mark .node{
  width:12px; height:12px; border-radius:50%;
  background:var(--ink); border:2px solid var(--tide);
}
.service-mark .num{
  font-family:'JetBrains Mono', monospace;
  font-size:0.78rem; letter-spacing:0.12em; color:var(--muted);
}
.service-body h3{
  font-size:clamp(1.3rem,2.4vw,1.7rem);
  color:var(--foam);
  margin-bottom:16px;
}
.service-body p.desc{color:var(--foam-dim); font-size:0.95rem; max-width:680px; margin-bottom:26px;}
.service-tags{display:flex; flex-wrap:wrap; gap:10px; margin-bottom:26px;}
.service-tags span{
  font-family:'JetBrains Mono', monospace;
  font-size:0.7rem; letter-spacing:0.06em;
  color:var(--tide);
  border:1px solid var(--tide-dim);
  padding:6px 12px;
  border-radius:2px;
}
.service-deliver{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
  gap:10px 32px;
}
.service-deliver li{
  list-style:none;
  color:var(--foam-dim);
  font-size:0.88rem;
  padding-left:18px;
  position:relative;
}
.service-deliver li::before{
  content:'';
  position:absolute; left:0; top:0.65em;
  width:8px; height:1px;
  background:var(--gold);
}

/* ---- pricing ---- */
.pricing-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
@media (max-width:900px){
  .pricing-grid{grid-template-columns:1fr;}
}
.price-card{
  background:var(--ink);
  padding:48px 38px;
  display:flex;
  flex-direction:column;
  position:relative;
}
.price-card.featured{background:var(--ink-2);}
.price-card .badge{
  position:absolute; top:0; right:0;
  font-family:'JetBrains Mono', monospace;
  font-size:0.64rem; letter-spacing:0.14em;
  color:var(--ink);
  background:var(--tide);
  padding:6px 14px;
}
.price-card .plan-tag{
  font-family:'JetBrains Mono', monospace;
  font-size:0.72rem; letter-spacing:0.2em;
  color:var(--gold);
  margin-bottom:14px;
}
.price-card h3{
  font-size:1.6rem;
  color:var(--foam);
  margin-bottom:6px;
}
.price-card .plan-jp{color:var(--muted); font-size:0.85rem; margin-bottom:28px; display:block;}
.price-card .price{
  font-family:'Shippori Mincho', serif;
  font-size:2.1rem;
  color:var(--tide);
  margin-bottom:4px;
}
.price-card .price small{
  font-family:'Zen Kaku Gothic New', sans-serif;
  font-size:0.85rem;
  color:var(--muted);
  margin-left:6px;
}
.price-card .price-note{color:var(--muted); font-size:0.78rem; margin-bottom:30px;}
.price-card ul{
  list-style:none; padding:0; margin:0 0 34px 0;
  flex-grow:1;
}
.price-card li{
  color:var(--foam-dim);
  font-size:0.88rem;
  padding:10px 0;
  border-top:1px solid var(--line);
  padding-left:20px;
  position:relative;
}
.price-card li:first-child{border-top:none;}
.price-card li::before{
  content:'—';
  position:absolute; left:0; color:var(--tide);
}
.price-card .cta-btn{
  justify-content:center;
  text-align:center;
  width:100%;
}
.pricing-note{
  margin-top:40px;
  color:var(--muted);
  font-size:0.82rem;
  line-height:1.9;
}

/* ---- company table ---- */
.company-table{
  width:100%;
  border-collapse:collapse;
  margin-top:10px;
}
.company-table tr{border-top:1px solid var(--line);}
.company-table tr:last-child{border-bottom:1px solid var(--line);}
.company-table th, .company-table td{
  text-align:left;
  padding:24px 20px 24px 0;
  vertical-align:top;
  font-size:0.92rem;
}
.company-table th{
  width:180px;
  font-family:'JetBrains Mono', monospace;
  font-weight:400;
  font-size:0.75rem;
  letter-spacing:0.1em;
  color:var(--gold);
  padding-top:26px;
}
.company-table td{color:var(--foam-dim);}
@media (max-width:640px){
  .company-table th, .company-table td{display:block; width:auto; padding:4px 0;}
  .company-table tr{padding:20px 0; display:block;}
}
.philosophy-strip{
  margin-top:80px;
  padding-top:60px;
  border-top:1px solid var(--line);
  font-family:'Shippori Mincho', serif;
  font-size:clamp(1.2rem,2.6vw,1.7rem);
  color:var(--foam);
  line-height:2;
}
.philosophy-strip span{color:var(--tide);}

/* ============================================================
   Pricing page extensions (package cards / add-on services / achievements)
   ============================================================ */

.price-card .price-row{margin-bottom:22px;}
.price-card .price-row:last-of-type{margin-bottom:30px;}
.price-card .price-row .p-label{
  font-family:'JetBrains Mono', monospace;
  font-size:0.68rem; letter-spacing:0.14em;
  color:var(--muted);
  display:block; margin-bottom:6px;
}
.price-card .price-row .p-amount{
  font-family:'Shippori Mincho', serif;
  font-size:1.5rem;
  color:var(--tide);
}
.price-card .price-row .p-amount small{
  font-family:'Zen Kaku Gothic New', sans-serif;
  font-size:0.72rem;
  color:var(--muted);
  margin-left:6px;
}

.feat-block{margin-bottom:0;}
.feat-block .feat-cat{
  font-family:'JetBrains Mono', monospace;
  font-size:0.68rem; letter-spacing:0.14em;
  color:var(--gold);
  display:block;
  padding-top:16px; margin-bottom:10px;
  border-top:1px solid var(--line);
}
.feat-block:first-child .feat-cat{border-top:none; padding-top:0;}
.feat-block ul{list-style:none; margin:0 0 4px 0; padding:0;}
.feat-block li{
  color:var(--foam-dim); font-size:0.85rem;
  padding:4px 0 4px 18px;
  position:relative;
}
.feat-block li::before{content:'—'; position:absolute; left:0; color:var(--tide); font-size:0.8rem;}
.price-card .price-features{flex-grow:1; margin-bottom:30px;}

/* add-on single services (reuses .service-item / .service-mark / .service-body from services page) */
.addon-price{display:flex; gap:36px; margin:4px 0 26px 0; flex-wrap:wrap;}
.addon-price .item .p-label{
  font-family:'JetBrains Mono', monospace;
  font-size:0.68rem; letter-spacing:0.12em;
  color:var(--muted); display:block; margin-bottom:6px;
}
.addon-price .item .p-amount{
  font-family:'Shippori Mincho', serif;
  font-size:1.3rem; color:var(--tide);
}
.addon-price .item .p-amount small{
  font-family:'Zen Kaku Gothic New', sans-serif;
  font-size:0.72rem; color:var(--muted); margin-left:4px;
}

/* achievements */
.achieve-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
@media (max-width:900px){ .achieve-grid{grid-template-columns:1fr;} }
.achieve-card{background:var(--ink); padding:44px 38px;}
.achieve-card .tag{
  font-family:'JetBrains Mono', monospace;
  font-size:0.7rem; letter-spacing:0.2em;
  color:var(--gold); display:block; margin-bottom:20px;
}
.achieve-card ul{list-style:none; margin:0; padding:0;}
.achieve-card li{
  color:var(--foam-dim); font-size:0.86rem;
  padding:10px 0 10px 20px;
  border-top:1px solid var(--line);
  position:relative;
}
.achieve-card li:first-child{border-top:none;}
.achieve-card li::before{content:'—'; position:absolute; left:0; color:var(--tide);}

.cap-note{
  font-family:'JetBrains Mono', monospace;
  font-size:0.7rem;
  letter-spacing:0.08em;
  color:var(--gold);
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:14px;
  margin-bottom:2px;
}
.cap-note::before{
  content:'';
  width:6px; height:6px; border-radius:50%;
  background:var(--gold);
  box-shadow:0 0 8px 1px rgba(217,169,78,0.6);
}