:root{
    --red: #e62a15;
    --red-dark: #b81f10;
    --red-soft: #fbdcd4;
    --red-softer: #fdece7;
    --blue: #2f6fed;
    --blue-soft: #e6edfe;
    --gold: #f0a93a;
    --gold-soft: #fdf0dc;
    --ink: #251423;
    --ink-soft: #6b6270;
    --paper: #ffffff;
    --paper-warm: #faf8f5;
    --line: rgba(37,20,35,0.1);
    --line-dark: rgba(255,255,255,0.14);
    --dark: #1b1418;
}
*{ box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin:0;
    background: var(--paper);
    color: var(--ink);
    font-family: "Noto Sans JP", sans-serif;
    font-weight: 400;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
h1,h2,h3,h4{
    font-family: "Noto Sans JP", sans-serif;
    margin: 0;
    font-weight: 900;
    letter-spacing: 0.01em;
}
p { margin:0; }
a { color: inherit; text-decoration: none; }
img { max-width:100%; display:block; }
ul { margin:0; padding:0; list-style:none; }
ol { padding-left: 1em;}
svg { display:block; }
.wrap {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 32px;
    position: relative;
}
@media (max-width: 640px){
    .wrap{ padding: 0 22px; }
}

/* ---------- Header ---------- */
header.site-header {
    position: sticky;
    top:0; left:0; right:0;
    z-index: 100;
   /*background: rgba(255,255,255,0.9);*/
    backdrop-filter: blur(8px);
}
.header-inner {
    max-width: 1160px;
    margin: 0 auto;
    padding: 1.125em 2em;
    display:flex;
    align-items:center;
    justify-content: space-between;
}
.brand { display:flex; align-items:center; gap:10px; }
.brand-mark{ width: 30px; height: auto; flex-shrink:0; }
.brand-mark .m-red { fill: var(--red); }
.brand-mark .m-ink { fill: var(--ink); }
.brand-text { display:flex; align-items:baseline; gap:6px; white-space:nowrap; }
.brand-text .b-sub { font-size: 11px; font-weight: 500; color: var(--ink-soft); }
.brand-text .b-main { font-size: 18px; font-weight: 900; color: var(--ink); letter-spacing: 0.02em; }
nav.main-nav,nav.main-nav ul { display:flex; gap:2em; align-items:center;}
nav.main-nav a {
    color: var(--ink);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.02em;
    padding: 4px 0;
    border-bottom: 2px solid transparent;
    transition: border-color .2s ease, color .2s ease;
}
nav.main-nav a:hover {
    border-color: var(--red);
    color: var(--red);
}
nav.main-nav a.header-cta {
    display: inline-flex;
    align-items:center;
    gap:.5em;
    background: var(--red);
    color: #fff;
    font-size: 13.5px;
    font-weight: 700;
    padding: 11px 2.5em;
    border-radius: 999px;
    transition: background .2s ease, transform .2s ease;
}
nav.main-nava.header-cta:hover { background: var(--red-dark); transform: translateY(-1px); }
.nav-toggle { display:none; }

@media (max-width: 860px){
    nav.main-nav{ display:none; }
    .header-cta{ display:none; }
    .nav-toggle{
        display:block;
        background:none;
        border: 1px solid var(--line);
        border-radius: 999px;
        color: var(--ink);
        font-size: 13px;
        font-weight: 600;
        padding: 8px 16px;
    }
}
/* ---------- Hero ---------- */
  .hero{
    position: relative;
    padding: 120px 0 120px;
    overflow: hidden;
    background: var(--paper-warm);
  }
  .hero-mark-a{
    position:absolute; top:-70px; right:-60px;
    width: 460px; height: auto;
    z-index: 0;
    opacity: 0.9;
    transform: rotate(-4deg);
  }
  .hero-mark-b{
    position:absolute; left: -30px; bottom: 30px;
    width: 130px; height: auto;
    z-index: 0;
    opacity: 0.14;
    transform: rotate(8deg);
  }
  .hero-inner{ position:relative; z-index:2; }
  .hero-eyebrow {
    display:inline-flex;
    align-items:center;
    gap: .5em;
    font-size: 12.5px;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--red-dark);
    margin-bottom: 2em;
  }
  .hero h1{
    font-size: clamp(34px, 5.4vw, 60px);
    line-height: 1.35;
    max-width: 820px;
    color: var(--ink);
  }
  .hero h1 .hl {
    position: relative;
    white-space: nowrap;
  }
  .hero h1 .hl::after{
    content:"";
    position:absolute;
    left:-2px; right:-2px; bottom: 0.06em;
    height: 0.32em;
    background: var(--gold-soft);
    z-index:-1;
    border-radius: 3px;
  }
  .hero h1 .accent{ color: var(--red); }
  .hero-lead{
    margin-top: 2em;
    max-width: 520px;
    color: var(--ink-soft);
    font-size: 15.5px;
    line-height: 2;
  }
  .hero-actions{
    display:flex;
    gap: 16px;
    margin-top: 42px;
    flex-wrap: wrap;
  }
  .btn {
    display:inline-flex;
    align-items:center;
    gap: 10px;
    padding: 15px 30px;
    font-size: 14.5px;
    font-weight: 700;
    letter-spacing: 0.02em;
    border-radius: 999px;
    transition: background .2s ease, color .2s ease, transform .2s ease, border-color .2s ease;
  }
  .btn-primary{
    background: var(--red);
    color: #fff;
  }
  .btn-primary:hover{ background: var(--red-dark); transform: translateY(-2px); }
  .btn-ghost {
    color: var(--ink);
    border: 1.5px solid var(--line);
    background: #fff;
  }
  .btn-ghost:hover{ border-color: var(--red); color: var(--red); transform: translateY(-2px); }
  .btn svg{ width:16px; height:16px; }

  @media (max-width: 700px){
    .hero{ padding: 70px 0 90px; }
  }

  /* ---------- Section shared ---------- */
  section{ padding: 8em 0; position:relative; }
  @media (max-width: 700px){
    section{ padding: 2.5em 0; }
  }

  .section-tag{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size: 12.5px;
    font-weight: 700;
    letter-spacing: 0.14em;
    color: var(--red);
    margin-bottom: 16px;
  }
  .section-tag::before{
    content:"";
    width: 20px; height: 3px;
    background: var(--red);
    border-radius: 2px;
    display:inline-block;
  }
  .section-head {
    margin-bottom: 3em;
  }
  .section-head h2 {
    font-size: clamp(26px, 3.2vw, 36px);
    color: var(--ink);
  }
  .section-head .desc {
    font-size: 14.5px;
    color: var(--ink-soft);
    margin-top: 1.5em;
  }

  /* ---------- Business (product-style cards) ---------- */
  .business{ background: var(--paper); }
  .biz-grid{
    display:grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }
  .biz-card{
    border-radius: 24px;
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--line);
    transition: transform .25s ease, box-shadow .25s ease;
    display:flex;
    flex-direction: column;
  }
  .biz-card:hover{ transform: translateY(-6px); box-shadow: 0 20px 40px rgba(35,38,42,0.1); }
  .biz-visual{
    position:relative;
    height: 190px;
    display:flex;
    align-items:center;
    justify-content:center;
    overflow:hidden;
  }
  .biz-visual.v-red{ background: linear-gradient(135deg, #f5645f 0%, var(--red) 100%); }
  .biz-visual.v-blue{ background: linear-gradient(135deg, #5f8ff2 0%, var(--blue) 100%); }
  .biz-visual.v-gold{ background: linear-gradient(135deg, #f6c470 0%, var(--gold) 100%); }
  .biz-visual svg{ width: 96px; height: 96px; position:relative; z-index:2; }
  .biz-visual .slash{
    position:absolute;
    background: rgba(255,255,255,0.22);
  }
  .biz-visual .slash.r1{ width:210px; height:34px; top:-6px; right:-70px; transform: rotate(-32deg); }
  .biz-visual .slash.r2{ width:130px; height:20px; bottom:-4px; left:-36px; transform: rotate(-32deg); background: rgba(255,255,255,0.14); }
  .biz-body{ padding: 28px 26px 30px; display:flex; flex-direction:column; flex:1; }
  .biz-scope{
    display:block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.03em;
    color: var(--red-dark);
    margin-bottom: 12px;
  }
  .biz-body h3{ font-size: 19px; color: var(--ink); margin-bottom: 12px; }
  .biz-body p{ font-size: 13.5px; color: var(--ink-soft); flex:1; }
  .biz-link{
    display:inline-flex; align-items:center; gap:6px;
    align-self: flex-start;
    margin-top: 20px;
    font-size: 13.5px; font-weight: 700; color: var(--ink);
    border-bottom: 2px solid var(--gold);
    padding-bottom: 3px;
    width: fit-content;
  }
  .biz-link svg{ width:14px; height:14px; }

  @media (max-width: 900px){ .biz-grid{ grid-template-columns: 1fr; } }

  .onestop-flow{
    display:flex;
    align-items:center;
    flex-wrap: wrap;
    gap: 14px;
    background: var(--paper-warm);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 16px 26px;
    margin-bottom: 44px;
  }
  .flow-node{
    display:flex; align-items:center; gap:8px;
    font-size: 13.5px; font-weight: 700; color: var(--ink);
  }
  .flow-node .dot{ width:8px; height:8px; border-radius:2px; display:inline-block; transform: rotate(45deg); }
  .dot-red{ background: var(--red); }
  .dot-blue{ background: var(--blue); }
  .dot-gold{ background: var(--gold); }
  .ftag{
    font-size: 10.5px; font-weight:700; color: var(--ink-soft);
    background: #fff; border: 1px solid var(--line);
    padding: 2px 9px; border-radius: 999px;
  }
  .ftag-main{ color:#fff; background: var(--red); border-color: var(--red); }
  .flow-arrow{ width:28px; height:12px; flex-shrink:0; }
  .flow-label{
    margin-left: 4px;
    font-size: 13px; color: var(--ink-soft);
  }
  @media (max-width: 760px){
    .onestop-flow{ border-radius: 20px; }
    .flow-arrow{ transform: rotate(90deg); }
  }

  .biz-badge{
    display:inline-block;
    align-self: flex-start;
    font-size: 11px; font-weight: 700;
    letter-spacing: 0.03em;
    padding: 4px 12px;
    border-radius: 999px;
    background: #eef0f2;
    color: var(--ink-soft);
    margin-bottom: 14px;
    width: fit-content;
  }
  .biz-badge-main{ background: var(--red-soft); color: var(--red-dark); }

  /* ---------- Strengths ---------- */
  .strengths{  background: var(--paper-warm);}
  .str-grid {
    display:grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }
  .str-card {
    padding: 32px 28px;
    border-radius: 1.5em;
    background: white;
  }
  .str-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display:flex; align-items:center; justify-content:center;
    margin: 0 auto 20px auto;
  }
  .str-icon svg { width:22px; height:22px; }
  .str-icon.c-red{ background: var(--red-soft); color: var(--red); }
  .str-icon.c-blue{ background: var(--blue-soft); color: var(--blue); }
  .str-icon.c-gold{ background: var(--gold-soft); color: #b5791e; }
  .str-icon.c-ink{ background: #eef0f2; color: var(--ink-soft); }
  .str-card h3{ font-size: 17.5px; color: var(--ink); margin-bottom: 12px; text-align: center;}
  .str-card p{ font-size: 13.5px; color: var(--ink-soft); }
  .pc { display: block;}

  @media (max-width: 1000px){ .str-grid{ grid-template-columns: repeat(2, 1fr); } }
  @media (max-width: 560px){
    .sp { display: block;}
    .pc { display: none;}
    .str-grid{ grid-template-columns: 1fr; }
}

  /* ---------- Access ---------- */
  .access{ background: var(--paper); }
  .access-grid{
    display:grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: stretch;
  }
  .access-info{ background:#fff; border-radius: 20px; border: 1px solid var(--line); padding: 8px 28px; }
  table.info-table{ width:100%; border-collapse: collapse; font-size: 14px; }
  table.info-table th, table.info-table td{
    text-align:left; padding: 18px 0; border-top: 1px solid var(--line); vertical-align: top;
  }
  table.info-table tr:first-child th, table.info-table tr:first-child td{ border-top:none; }
  table.info-table th{ width: 110px; color: var(--ink-soft); font-weight: 600; }
  table.info-table td{ color: var(--ink); }
  table.info-table td a:hover{ color: var(--red); }

  .access-map {
    position:relative;
    min-height: 300px;
    border-radius: 20px;
    overflow:hidden;
    border: 1px solid var(--line);
    background: #eee9df;
  }
  .access-map iframe{ position:absolute; inset:0; width:100%; height:100%; border:0; }

  @media (max-width: 860px){
    .access-grid { grid-template-columns: 1fr; }
    .access-map { min-height: 260px; }
    table.info-table th,table.info-table td {
        display: block;
        width: 100%;
    }
    table.info-table th {
        border-bottom: none;
        padding-bottom: 0;
    }
    table.info-table td {
        border-top: none;
        padding: .5em 0 1em 1em;
    }
  }

  /* ---------- Contact CTA (dark) ---------- */
  .contact{
    background: #f4f4f4;
    border-radius: 32px;
    margin: 0 24px;
    overflow: hidden;
    position:relative;
  }
  .contact-blob {
    position:absolute; top:-70px; left:-70px;
    width: 260px; height:auto;
    z-index:0;
    opacity: 0.95;
    transform: rotate(-6deg);
  }
  .contact-inner {
    position:relative;
    z-index:1;
    padding: 72px 56px;
    display: flex;
    justify-content: space-between;
    align-items:flex-end;
  }
  .contact .section-tag{ color: var(--red-dark); }
  .contact .section-tag::before{ background: var(--red-dark); }
  .contact h2{ font-size: clamp(24px, 3vw, 32px); margin-bottom: 18px; }
  .contact p.lead{ font-size: 14.5px; max-width: 420px; }
  .contact-line {
    display: inline-flex;
    align-items: center;
    gap: 1em;
    padding-bottom: 50px;
  }
  .contact-line a {
    font-weight: 700;
    font-size: 2.25em;
    line-height: 1;
    letter-spacing: .05em;
  }
  .contact-line a:hover{ color: var(--gold); }
  .contact-line svg {
        width: 2.5em; height: 2.5em;
        color: #FFF;
        background-color: #333;
        border-radius: 50%;
        padding: .5em;
    }
    .contact-btn {
        padding-bottom: 45px;
    }

  @media (max-width: 860px){
    .contact{ margin: 0 14px; border-radius: 24px; }
    .contact-inner { flex-direction: column; align-items:normal; padding: 48px 28px; gap: 2.5em;}
    .contact-line,.contact-btn { padding-bottom: 0;}
  }

  /* ---------- Footer ---------- */
  footer { background: var(--paper); }
  .footer-brand .brand { margin-bottom: 18px; }
  .footer-brand .brand-mark{ width: 34px; }
  .footer-brand .brand-text .b-main{ font-size: 20px; }
  .footer-brand p { font-size: 13px; color: var(--ink-soft); max-width: 260px; }
  .footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2.5em;
    padding: 1.5em 0 2.5em;
    font-size: 10px; color: var(--ink-soft);
  }

  @media (max-width: 760px){
    .footer-bottom {
        flex-direction: column;
    }
  }
  a:focus-visible, button:focus-visible {
    outline: 2px solid var(--red);
    outline-offset: 3px;
  }
  .fade-in {
    opacity:0; transform: translateY(16px);
    animation: rise .8s ease forwards;
  }
  @keyframes rise{ to{ opacity:1; transform:none; } }
  @media (prefers-reduced-motion: reduce){
    html{ scroll-behavior:auto; }
    .fade-in{ animation:none; opacity:1; transform:none; }
  }