@charset "UTF-8";
/* ==========================================================================
   PRISM VAULT PATH株式会社 — Design System
   Fonts: Shippori Mincho (見出し / ロゴ), Zen Kaku Gothic New (本文)
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Shippori+Mincho:wght@400;500;600;700;800&family=Zen+Kaku+Gothic+New:wght@300;400;500;700;900&display=swap');

:root{
  --bg: #f7f5f0;
  --bg-alt: #efeae1;
  --bg-deep: #eae4d8;
  --surface: #ffffff;
  --ink: #1c2333;
  --ink-soft: #4c5566;
  --ink-faint: #7c8494;
  --primary: #24425f;
  --primary-dark: #162a3d;
  --primary-tint: #e6ecf1;
  --accent: #a9825b;
  --accent-soft: #f1e6d8;
  --line: #e0dacd;
  --line-strong: #cfc7b6;
  --success: #3f7d5c;
  --danger: #a4472f;
  --shadow-sm: 0 2px 10px rgba(28,35,51,.06);
  --shadow-md: 0 10px 34px rgba(28,35,51,.10);
  --shadow-lg: 0 24px 64px rgba(28,35,51,.16);
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 18px;
  --maxw: 1200px;
  --ff-head: 'Shippori Mincho', 'Hiragino Mincho ProN', serif;
  --ff-body: 'Zen Kaku Gothic New', 'Hiragino Sans', sans-serif;
  --dur: .45s;
  --ease: cubic-bezier(.16,.8,.28,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: var(--ff-body);
  background:var(--bg);
  color:var(--ink);
  font-weight:400;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  letter-spacing:.02em;
  overflow-x:hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; margin:0; padding:0; }
h1,h2,h3,h4{ font-family:var(--ff-head); font-weight:700; color:var(--primary-dark); line-height:1.4; margin:0 0 .6em; letter-spacing:.03em; }
p{ margin:0 0 1.1em; color:var(--ink-soft); }
button{ font-family:inherit; }
.container{ max-width:var(--maxw); margin:0 auto; padding:0 20px; }
@media(min-width:900px){ .container{ padding:0 40px; } }

/* ---------- utility ---------- */
.eyebrow{
  display:inline-flex; align-items:center; gap:10px;
  font-size:.72rem; letter-spacing:.32em; text-transform:uppercase;
  color:var(--accent); font-weight:700; margin-bottom:14px;
}
.eyebrow::before{ content:""; width:26px; height:1px; background:var(--accent); }
.section{ padding:80px 0; position:relative; }
.section-tight{ padding:56px 0; }
.section-alt{ background:var(--bg-alt); }
.section-deep{ background:var(--primary-dark); color:#fff; }
.section-deep h2, .section-deep h3{ color:#fff; }
.section-deep p{ color:rgba(255,255,255,.72); }
.section-head{ max-width:680px; margin:0 0 48px; }
.section-head.center{ margin:0 auto 56px; text-align:center; }
.section-head h2{ font-size:clamp(1.6rem,3vw,2.3rem); }
.lede{ font-size:1.05rem; color:var(--ink-soft); }

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding:15px 34px; border-radius:2px; font-size:.86rem; letter-spacing:.14em;
  font-weight:700; border:1px solid transparent; cursor:pointer;
  transition:all var(--dur) var(--ease); white-space:nowrap;
}
.btn-primary{ background:var(--primary); color:#fff; border-color:var(--primary); }
.btn-primary:hover{ background:var(--primary-dark); border-color:var(--primary-dark); transform:translateY(-2px); box-shadow:var(--shadow-md); }
.btn-ghost{ background:transparent; color:var(--primary); border-color:var(--primary); }
.btn-ghost:hover{ background:var(--primary); color:#fff; transform:translateY(-2px); }
.btn-light{ background:#fff; color:var(--primary); border-color:#fff; }
.btn-light:hover{ background:transparent; color:#fff; transform:translateY(-2px); }
.btn-accent{ background:var(--accent); color:#fff; border-color:var(--accent); }
.btn-accent:hover{ background:#8e6c48; transform:translateY(-2px); }
.btn-sm{ padding:11px 24px; font-size:.76rem; }

.tag-row{ display:flex; flex-wrap:wrap; gap:10px; }
.tag{ font-size:.72rem; letter-spacing:.08em; padding:6px 14px; border:1px solid var(--line-strong); border-radius:20px; color:var(--ink-soft); background:var(--surface); }

/* ---------- header ---------- */
.site-header{
  position:sticky; top:0; z-index:1000;
  background:rgba(247,245,240,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; padding:16px 20px; max-width:var(--maxw); margin:0 auto; }
@media(min-width:900px){ .header-inner{ padding:18px 40px; } }

.brand{ display:flex; align-items:center; gap:12px; }
.brand svg{ width:40px; height:40px; flex:none; }
.brand-text{ display:flex; flex-direction:column; line-height:1; }
.brand-text .en{ font-family:var(--ff-head); font-weight:800; font-size:1.05rem; letter-spacing:.14em; color:var(--primary-dark); }
.brand-text .jp{ font-size:.62rem; letter-spacing:.24em; color:var(--accent); margin-top:5px; font-weight:700; }

.nav-toggle{
  display:flex; flex-direction:column; justify-content:center; gap:5px;
  width:42px; height:42px; border:1px solid var(--line-strong); background:var(--surface);
  border-radius:2px; cursor:pointer; padding:0; z-index:1200;
}
.nav-toggle span{ display:block; width:18px; height:1px; background:var(--primary-dark); margin:0 auto; transition:.3s; }
.nav-toggle.active span:nth-child(1){ transform:translateY(6px) rotate(45deg); }
.nav-toggle.active span:nth-child(2){ opacity:0; }
.nav-toggle.active span:nth-child(3){ transform:translateY(-6px) rotate(-45deg); }

.main-nav{
  position:fixed; inset:0 0 0 auto; width:min(88vw,380px); height:100vh;
  background:var(--surface); box-shadow:var(--shadow-lg);
  padding:100px 30px 40px; transform:translateX(100%); transition:transform .5s var(--ease);
  overflow-y:auto; z-index:1100;
}
.main-nav.open{ transform:translateX(0); }
.main-nav > ul{ display:flex; flex-direction:column; gap:2px; }
.main-nav > ul > li{ border-bottom:1px solid var(--line); }
.main-nav > ul > li > a, .nav-drop-btn{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 4px; font-size:.9rem; letter-spacing:.06em; font-weight:700; color:var(--ink);
  background:none; border:none; width:100%; text-align:left; cursor:pointer;
}
.main-nav > ul > li > a.current, .main-nav .sub a.current{ color:var(--accent); }
.nav-drop-btn .arrow{ transition:transform .3s; font-size:.7rem; color:var(--accent); }
.nav-drop-btn.open .arrow{ transform:rotate(180deg); }
.sub{ max-height:0; overflow:hidden; transition:max-height .4s var(--ease); }
.sub.open{ max-height:600px; padding-bottom:12px; }
.sub li a{ display:block; padding:10px 4px 10px 16px; font-size:.82rem; color:var(--ink-soft); border-left:2px solid var(--line); }
.sub li a:hover{ color:var(--primary); border-left-color:var(--accent); }
.nav-cta{ margin-top:24px; display:block; text-align:center; }

.nav-overlay{ position:fixed; inset:0; background:rgba(28,35,51,.4); opacity:0; pointer-events:none; transition:opacity .4s; z-index:1050; }
.nav-overlay.show{ opacity:1; pointer-events:auto; }

@media(min-width:1080px){
  .nav-toggle{ display:none; }
  .main-nav{ position:static; width:auto; height:auto; transform:none; background:none; box-shadow:none; padding:0; overflow:visible; }
  .main-nav > ul{ flex-direction:row; align-items:center; gap:2px; }
  .main-nav > ul > li{ border:none; position:relative; }
  .main-nav > ul > li > a, .nav-drop-btn{ padding:10px 16px; font-size:.82rem; width:auto; }
  .nav-drop-btn .arrow{ font-size:.6rem; }
  .sub{ position:absolute; top:100%; left:0; max-height:none; height:0; opacity:0; width:240px; background:var(--surface); box-shadow:var(--shadow-md); border-top:2px solid var(--accent); padding:0; transition:opacity .3s, transform .3s; transform:translateY(6px); visibility:hidden; }
  .sub.open{ height:auto; opacity:1; visibility:visible; transform:translateY(0); padding:8px 0; }
  .sub li a{ border-left:none; padding:10px 20px; }
  .sub li a:hover{ background:var(--bg-alt); border-left:none; }
  .nav-cta{ margin:0 0 0 10px; }
  .nav-overlay{ display:none; }
}

/* ---------- hero ---------- */
.hero{ position:relative; padding:64px 0 0; overflow:hidden; }
.hero-grid{ display:grid; gap:40px; align-items:center; }
@media(min-width:960px){ .hero-grid{ grid-template-columns:1.05fr .95fr; gap:60px; } }
.hero h1{ font-size:clamp(2rem,4.4vw,3.1rem); margin-bottom:.5em; }
.hero .lede{ font-size:1.08rem; max-width:520px; }
.hero-cta{ display:flex; gap:16px; flex-wrap:wrap; margin-top:32px; }
.hero-figure{ position:relative; border-radius:var(--radius-lg); overflow:hidden; box-shadow:var(--shadow-lg); }
.hero-figure img{ width:100%; height:100%; object-fit:cover; aspect-ratio:4/3; }
.hero-figure::after{ content:""; position:absolute; inset:0; background:linear-gradient(160deg,rgba(36,66,95,.15),transparent 60%); }
.hero-tag{ position:absolute; left:20px; bottom:20px; background:rgba(255,255,255,.92); backdrop-filter:blur(6px); padding:12px 18px; border-radius:2px; font-size:.72rem; letter-spacing:.12em; font-weight:700; color:var(--primary-dark); display:flex; gap:8px; align-items:center; }
.hero-tag::before{ content:""; width:7px; height:7px; border-radius:50%; background:var(--accent); }

/* page (inner) hero banner — set background-image inline on the element itself */
.page-hero{ position:relative; padding:150px 0 70px; color:#fff; background-color:var(--primary-dark); background-size:cover; background-position:center; overflow:hidden; }
.page-hero::before{ content:""; position:absolute; inset:0; background:linear-gradient(160deg, rgba(22,42,61,.90), rgba(22,42,61,.76)); }
.page-hero .container{ position:relative; z-index:2; }
.page-hero .eyebrow{ color:#d9c3a3; }
.page-hero .eyebrow::before{ background:#d9c3a3; }
.page-hero h1{ color:#fff; font-size:clamp(1.9rem,4vw,2.8rem); }
.page-hero p{ color:rgba(255,255,255,.78); max-width:600px; font-size:1.02rem; }

.breadcrumb{ display:flex; gap:8px; flex-wrap:wrap; font-size:.76rem; letter-spacing:.05em; color:rgba(255,255,255,.6); margin-bottom:22px; }
.breadcrumb a{ color:rgba(255,255,255,.85); }
.breadcrumb a:hover{ color:#fff; }
.breadcrumb span{ color:#d9c3a3; }

/* ---------- grid patterns / decorative ---------- */
.dot-field{ position:absolute; inset:0; background-image:radial-gradient(rgba(169,130,91,.28) 1px, transparent 1px); background-size:26px 26px; opacity:.5; pointer-events:none; }
.path-line{ position:absolute; z-index:0; opacity:.4; }

/* ---------- cards ---------- */
.grid{ display:grid; gap:28px; }
.grid-2{ grid-template-columns:repeat(1,1fr); }
.grid-3{ grid-template-columns:repeat(1,1fr); }
.grid-4{ grid-template-columns:repeat(1,1fr); }
@media(min-width:640px){ .grid-2{ grid-template-columns:repeat(2,1fr); } .grid-4{ grid-template-columns:repeat(2,1fr); } }
@media(min-width:960px){ .grid-3{ grid-template-columns:repeat(3,1fr); } .grid-4{ grid-template-columns:repeat(4,1fr); } }

.card{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-md); padding:32px 28px; transition:all var(--dur) var(--ease); }
.card:hover{ box-shadow:var(--shadow-md); transform:translateY(-4px); border-color:var(--line-strong); }
.card .icon{ width:52px; height:52px; margin-bottom:20px; }
.card h3{ font-size:1.08rem; margin-bottom:.5em; }
.card p{ font-size:.92rem; margin-bottom:0; }
.card a.more{ display:inline-flex; align-items:center; gap:6px; margin-top:16px; font-size:.78rem; font-weight:700; letter-spacing:.08em; color:var(--primary); }
.card a.more:hover{ color:var(--accent); }

.media-card{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-md); overflow:hidden; transition:all var(--dur) var(--ease); }
.media-card:hover{ box-shadow:var(--shadow-md); transform:translateY(-4px); }
.media-card img{ width:100%; aspect-ratio:16/10; object-fit:cover; }
.media-card .body{ padding:24px 26px; }
.media-card h3{ font-size:1.04rem; }
.media-card p{ font-size:.9rem; margin-bottom:10px; }

/* stat strip */
.stats{ display:grid; grid-template-columns:repeat(2,1fr); gap:24px; text-align:center; }
@media(min-width:768px){ .stats{ grid-template-columns:repeat(4,1fr); } }
.stat b{ display:block; font-family:var(--ff-head); font-size:clamp(1.7rem,3.4vw,2.4rem); color:var(--accent); font-weight:800; }
.stat span{ font-size:.76rem; letter-spacing:.06em; color:rgba(255,255,255,.68); }
.section:not(.section-deep) .stat span{ color:var(--ink-faint); }

/* process / timeline */
.process{ counter-reset:step; display:grid; gap:0; }
.process-step{ display:grid; grid-template-columns:60px 1fr; gap:20px; padding:26px 0; border-top:1px solid var(--line); position:relative; }
.process-step:last-child{ border-bottom:1px solid var(--line); }
.process-step .num{ counter-increment:step; font-family:var(--ff-head); font-size:1.6rem; color:var(--accent); font-weight:700; }
.process-step .num::before{ content: counter(step,decimal-leading-zero); }
.process-step h3{ font-size:1.02rem; margin-bottom:.35em; }

/* two column content */
.split{ display:grid; gap:40px; align-items:center; }
@media(min-width:900px){ .split{ grid-template-columns:1fr 1fr; gap:64px; } .split.reverse .split-media{ order:2; } }
.split-media img{ border-radius:var(--radius-lg); box-shadow:var(--shadow-md); width:100%; aspect-ratio:4/3; object-fit:cover; }
.check-list li{ display:flex; gap:12px; padding:10px 0; border-bottom:1px dashed var(--line); font-size:.94rem; color:var(--ink-soft); }
.check-list li::before{ content:"—"; color:var(--accent); font-weight:700; }

/* table */
.spec-table{ width:100%; border-collapse:collapse; font-size:.9rem; }
.spec-table th,.spec-table td{ text-align:left; padding:14px 16px; border-bottom:1px solid var(--line); }
.spec-table th{ color:var(--ink-faint); font-weight:700; letter-spacing:.05em; font-size:.76rem; text-transform:uppercase; }

/* CTA band */
.cta-band{ background:var(--primary); color:#fff; border-radius:var(--radius-lg); padding:56px 40px; text-align:center; position:relative; overflow:hidden; }
.cta-band h2{ color:#fff; margin-bottom:.4em; }
.cta-band p{ color:rgba(255,255,255,.78); max-width:560px; margin:0 auto 28px; }
.cta-band .actions{ display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }

/* forms */
.form-grid{ display:grid; gap:20px; }
@media(min-width:640px){ .form-grid.cols-2{ grid-template-columns:1fr 1fr; } }
.field{ display:flex; flex-direction:column; gap:8px; }
.field label{ font-size:.78rem; letter-spacing:.06em; font-weight:700; color:var(--primary-dark); }
.field input, .field select, .field textarea{
  border:1px solid var(--line-strong); background:var(--surface); padding:13px 16px; font-family:inherit;
  font-size:.92rem; border-radius:3px; color:var(--ink); transition:border-color .3s, box-shadow .3s;
}
.field input:focus, .field select:focus, .field textarea:focus{ outline:none; border-color:var(--primary); box-shadow:0 0 0 3px var(--primary-tint); }
.field textarea{ resize:vertical; min-height:140px; }
.field.required label::after{ content:" *"; color:var(--accent); }
.checkline{ display:flex; align-items:flex-start; gap:10px; font-size:.82rem; color:var(--ink-soft); }
.checkline input{ margin-top:4px; }

/* accordion (FAQ) */
.accordion-item{ border-bottom:1px solid var(--line); }
.accordion-q{ display:flex; justify-content:space-between; align-items:center; gap:16px; width:100%; text-align:left; background:none; border:none; padding:22px 4px; cursor:pointer; font-family:var(--ff-head); font-size:1rem; font-weight:700; color:var(--primary-dark); }
.accordion-q .plus{ flex:none; width:22px; height:22px; position:relative; }
.accordion-q .plus::before,.accordion-q .plus::after{ content:""; position:absolute; background:var(--accent); transition:transform .3s; }
.accordion-q .plus::before{ width:100%; height:1px; top:50%; left:0; }
.accordion-q .plus::after{ width:1px; height:100%; left:50%; top:0; }
.accordion-item.open .accordion-q .plus::after{ transform:scaleY(0); }
.accordion-a{ max-height:0; overflow:hidden; transition:max-height .4s var(--ease); }
.accordion-item.open .accordion-a{ max-height:400px; }
.accordion-a p{ padding:0 4px 22px; font-size:.92rem; }

/* footer */
.site-footer{ background:var(--primary-dark); color:rgba(255,255,255,.7); padding:72px 0 0; }
.footer-top{ display:grid; gap:44px; padding-bottom:56px; border-bottom:1px solid rgba(255,255,255,.12); }
@media(min-width:768px){ .footer-top{ grid-template-columns:1.4fr repeat(3,1fr); } }
.footer-brand .brand-text .en{ color:#fff; }
.footer-brand p{ color:rgba(255,255,255,.6); font-size:.88rem; margin-top:16px; max-width:320px; }
.footer-col h4{ color:#fff; font-size:.78rem; letter-spacing:.12em; text-transform:uppercase; margin-bottom:18px; font-family:var(--ff-body); font-weight:700; }
.footer-col li{ margin-bottom:11px; }
.footer-col a{ font-size:.86rem; color:rgba(255,255,255,.62); transition:color .3s; }
.footer-col a:hover{ color:var(--accent); }
.footer-meta{ font-size:.84rem; color:rgba(255,255,255,.6); display:flex; flex-direction:column; gap:8px; }
.footer-bottom{ display:flex; flex-wrap:wrap; gap:16px; justify-content:space-between; align-items:center; padding:26px 0; font-size:.76rem; color:rgba(255,255,255,.45); }
.footer-social{ display:flex; gap:14px; }
.footer-social a{ width:34px; height:34px; border:1px solid rgba(255,255,255,.2); border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:.72rem; }
.footer-social a:hover{ border-color:var(--accent); color:var(--accent); }

/* back to top */
.to-top{ position:fixed; right:22px; bottom:22px; width:48px; height:48px; border-radius:50%; background:var(--primary); color:#fff; border:none; display:flex; align-items:center; justify-content:center; cursor:pointer; opacity:0; pointer-events:none; transform:translateY(10px); transition:all .35s; z-index:900; box-shadow:var(--shadow-md); }
.to-top.show{ opacity:1; pointer-events:auto; transform:translateY(0); }

/* toast (non-blocking popup) */
.toast-stack{ position:fixed; top:20px; right:20px; z-index:3000; display:flex; flex-direction:column; gap:12px; max-width:min(90vw,340px); }
.toast{ background:var(--surface); border-left:4px solid var(--primary); box-shadow:var(--shadow-lg); border-radius:4px; padding:16px 18px; font-size:.84rem; color:var(--ink); display:flex; gap:12px; align-items:flex-start; transform:translateX(120%); opacity:0; transition:all .45s var(--ease); }
.toast.show{ transform:translateX(0); opacity:1; }
.toast.success{ border-color:var(--success); }
.toast.error{ border-color:var(--danger); }
.toast .t-icon{ flex:none; font-weight:800; color:var(--primary); }
.toast.success .t-icon{ color:var(--success); }
.toast.error .t-icon{ color:var(--danger); }
.toast .t-close{ margin-left:auto; cursor:pointer; color:var(--ink-faint); font-size:1rem; line-height:1; background:none; border:none; }

/* reveal animation */
.reveal{ opacity:0; transform:translateY(26px); transition:opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in{ opacity:1; transform:translateY(0); }

/* map */
.map-frame{ border:1px solid var(--line); border-radius:var(--radius-md); overflow:hidden; box-shadow:var(--shadow-sm); }
.map-frame iframe{ width:100%; height:380px; border:0; display:block; filter:grayscale(.25) contrast(1.02); }

/* misc */
.divider{ height:1px; background:var(--line); border:none; margin:0; }
.center{ text-align:center; }
.pill-num{ font-family:var(--ff-head); font-size:.85rem; color:var(--accent); letter-spacing:.1em; }
::selection{ background:var(--accent-soft); color:var(--primary-dark); }