@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display&family=Noto+Sans+JP:wght@400;500;600;700&display=swap');

:root {
  --ink: #142724; --ink-soft: #53625f; --forest: #153c36; --forest-2: #235a50;
  --mint: #b7e1d6; --mint-pale: #eaf5f1; --paper: #f5f1e8; --paper-2: #fffdf8;
  --coral: #df745b; --amber: #d99b3d; --red: #b44c45; --line: #d7d4ca; --white: #fff;
  --shadow: 0 18px 46px rgba(20, 39, 36, .09); --radius: 22px; --radius-sm: 13px;
  --max: 1240px; --serif: "DM Serif Display", "Noto Serif JP", serif; --sans: "Noto Sans JP", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); line-height: 1.7; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; }
.skip-link { position: fixed; z-index: 1000; top: 8px; left: 8px; transform: translateY(-150%); background: var(--ink); color: white; padding: 8px 14px; border-radius: 8px; }
.skip-link:focus { transform: none; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(245,241,232,.92); border-bottom: 1px solid rgba(20,39,36,.09); backdrop-filter: blur(16px); }
.header-inner { max-width: var(--max); min-height: 72px; margin: auto; padding: 0 24px; display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 800; letter-spacing: -.03em; white-space: nowrap; }
.brand-mark { width: 35px; height: 35px; border-radius: 11px 11px 11px 3px; background: var(--forest); position: relative; box-shadow: inset 0 0 0 1px rgba(255,255,255,.14); }
.brand-mark::after { content: ""; position: absolute; inset: 9px; border: 2px solid var(--mint); border-radius: 50%; border-right-color: transparent; transform: rotate(-28deg); }
.public-nav { display: flex; align-items: center; gap: 22px; margin-left: auto; font-size: 13px; font-weight: 600; }
.public-nav a:hover, .public-nav a[aria-current="page"] { color: var(--forest-2); text-decoration: underline; text-underline-offset: 6px; }
.header-actions { display: flex; gap: 9px; margin-left: 6px; }
.button { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 17px; border: 1px solid transparent; border-radius: 999px; background: var(--forest); color: white; font-weight: 700; font-size: 14px; transition: .18s ease; }
.button:hover { transform: translateY(-1px); box-shadow: 0 8px 18px rgba(21,60,54,.18); }
.button.secondary { background: transparent; color: var(--ink); border-color: var(--line); }
.button.coral { background: var(--coral); }
.button.danger { background: var(--red); }
.button.small { min-height: 36px; padding: 7px 12px; font-size: 12px; }
.button:disabled { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }
.mobile-menu-button { display: none; margin-left: auto; border: 0; background: transparent; font-size: 24px; }
.hero { position: relative; overflow: hidden; min-height: 680px; display: grid; align-items: center; background: var(--forest); color: white; }
.hero::before { content: ""; position: absolute; width: 720px; height: 720px; right: -210px; top: -210px; border: 1px solid rgba(183,225,214,.22); border-radius: 50%; box-shadow: 0 0 0 92px rgba(183,225,214,.04), 0 0 0 184px rgba(183,225,214,.03); }
.hero-grid { width: 100%; max-width: var(--max); margin: auto; padding: 100px 24px; display: grid; grid-template-columns: 1.05fr .95fr; gap: 76px; align-items: center; position: relative; }
.eyebrow { display: flex; align-items: center; gap: 10px; color: var(--forest-2); font-size: 12px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.hero .eyebrow { color: var(--mint); }
.eyebrow::before { content: ""; width: 28px; height: 1px; background: currentColor; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3, .button, .brand, strong { word-break: auto-phrase; }
.hero h1 { margin: 20px 0 24px; font-family: var(--serif); font-size: clamp(48px, 6vw, 79px); font-weight: 400; line-height: 1.05; letter-spacing: -.045em; }
.hero-copy { max-width: 650px; color: #dbe8e4; font-size: 17px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero .button.secondary { color: white; border-color: rgba(255,255,255,.28); }
.control-preview { background: var(--paper-2); color: var(--ink); padding: 22px; border-radius: 28px; box-shadow: 0 34px 90px rgba(0,0,0,.28); transform: rotate(1.2deg); }
.preview-top { display: flex; align-items: center; justify-content: space-between; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.signal { display: inline-flex; align-items: center; gap: 7px; color: var(--forest-2); font-size: 12px; font-weight: 700; }
.signal::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #54a58e; box-shadow: 0 0 0 5px rgba(84,165,142,.14); }
.preview-stage { padding: 20px 0; }
.preview-stage strong { display: block; font-size: 21px; margin: 8px 0 4px; }
.preview-stage p { color: var(--ink-soft); font-size: 13px; }
.stage-line { display: grid; grid-template-columns: 32px 1fr auto; gap: 12px; align-items: center; padding: 13px 0; border-top: 1px solid var(--line); }
.stage-no { width: 29px; height: 29px; border-radius: 9px; display: grid; place-items: center; background: var(--mint-pale); color: var(--forest-2); font-weight: 800; font-size: 12px; }
.stage-line small { color: var(--ink-soft); }
.section { max-width: var(--max); margin: auto; padding: 104px 24px; }
.section.compact { padding-top: 68px; padding-bottom: 68px; }
.section-heading { max-width: 780px; margin-bottom: 48px; }
.section-heading h2, .page-hero h1 { margin: 16px 0; font-family: var(--serif); font-size: clamp(38px, 4.5vw, 61px); line-height: 1.12; font-weight: 400; letter-spacing: -.035em; }
.section-heading p, .page-hero p { color: var(--ink-soft); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.story-card { min-height: 290px; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper-2); display: flex; flex-direction: column; box-shadow: 0 8px 30px rgba(20,39,36,.04); }
.story-card .number { font-family: var(--serif); color: var(--coral); font-size: 34px; }
.story-card h3 { margin: auto 0 10px; font-size: 21px; }
.story-card p { margin-bottom: 0; color: var(--ink-soft); font-size: 14px; }
.split-band { background: var(--mint-pale); }
.role-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.role-panel { padding: 38px; border-radius: 30px; background: var(--paper-2); border: 1px solid rgba(21,60,54,.1); }
.role-panel.dark { background: var(--forest); color: white; }
.role-panel.dark p { color: #dbe8e4; }
.role-panel h3 { font-family: var(--serif); font-size: 34px; font-weight: 400; }
.check-list { list-style: none; padding: 0; margin: 24px 0; }
.check-list li { padding: 10px 0 10px 31px; position: relative; border-bottom: 1px solid rgba(83,98,95,.16); }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--coral); font-weight: 800; }
.page-hero { max-width: var(--max); margin: auto; padding: 100px 24px 66px; }
.page-hero.narrow { max-width: 920px; }
.prose { max-width: 820px; }
.prose h2 { margin-top: 44px; font-family: var(--serif); font-size: 32px; font-weight: 400; }
.prose p, .prose li { color: var(--ink-soft); }
.faq-list { max-width: 900px; display: grid; gap: 12px; }
.faq-item { border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--paper-2); overflow: hidden; }
.faq-item summary { list-style: none; padding: 20px 56px 20px 22px; font-weight: 700; cursor: pointer; position: relative; }
.faq-item summary::after { content: "+"; position: absolute; right: 22px; font-size: 22px; color: var(--coral); }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { padding: 0 22px 22px; margin: 0; color: var(--ink-soft); }
.legal-list { display: grid; gap: 12px; }
.legal-row { display: grid; grid-template-columns: 1fr 2fr auto; gap: 20px; align-items: center; padding: 22px; border-bottom: 1px solid var(--line); }
.notice { padding: 18px 20px; border-radius: var(--radius-sm); background: #fff3de; border: 1px solid #ebd4aa; color: #6a4a15; }
.auth-shell { min-height: calc(100vh - 72px); display: grid; grid-template-columns: minmax(0,1fr) minmax(420px,620px); }
.auth-story { padding: 70px max(30px,7vw); background: var(--forest); color: white; display: flex; flex-direction: column; justify-content: center; }
.auth-story h1 { font-family: var(--serif); font-size: clamp(42px,6vw,70px); line-height: 1.08; font-weight: 400; }
.auth-story p { color: #dbe8e4; }
.auth-panel { padding: 60px clamp(24px,5vw,72px); background: var(--paper-2); display: flex; align-items: center; }
.form-card { width: 100%; max-width: 520px; margin: auto; }
.form-card h2 { font-family: var(--serif); font-size: 39px; font-weight: 400; }
.field { display: grid; gap: 7px; margin-bottom: 17px; }
.field label { font-size: 13px; font-weight: 700; }
.field input, .field select, .field textarea { width: 100%; min-height: 48px; padding: 11px 13px; border: 1px solid #bfc6c2; border-radius: 11px; background: white; color: var(--ink); }
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 3px solid rgba(35,90,80,.15); border-color: var(--forest-2); }
.help { color: var(--ink-soft); font-size: 12px; }
.role-options { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.role-option { position: relative; }
.role-option input { position: absolute; opacity: 0; }
.role-option span { min-height: 62px; padding: 10px; display: grid; place-items: center; text-align: center; border: 1px solid var(--line); border-radius: 12px; font-size: 13px; font-weight: 700; }
.role-option input:checked + span { border-color: var(--forest); background: var(--mint-pale); box-shadow: inset 0 0 0 1px var(--forest); }
.app-shell { min-height: 100vh; display: grid; grid-template-columns: 250px minmax(0,1fr); background: #ece9e0; }
.sidebar { position: sticky; top: 0; height: 100vh; background: var(--forest); color: white; padding: 24px 17px; display: flex; flex-direction: column; }
.sidebar .brand { padding: 0 9px 27px; }
.environment { margin: 0 8px 20px; padding: 8px 10px; border: 1px solid rgba(255,255,255,.14); border-radius: 9px; color: var(--mint); font-size: 10px; letter-spacing: .05em; }
.side-nav { display: grid; gap: 5px; }
.side-nav a { display: flex; align-items: center; gap: 12px; padding: 11px 13px; border-radius: 11px; color: #dbe8e4; font-size: 13px; font-weight: 600; }
.side-nav a:hover, .side-nav a[aria-current="page"] { background: rgba(255,255,255,.1); color: white; }
.side-icon { width: 22px; text-align: center; color: var(--mint); }
.sidebar-footer { margin-top: auto; padding: 16px 9px 0; border-top: 1px solid rgba(255,255,255,.13); font-size: 12px; }
.app-main { min-width: 0; padding: 28px 32px 70px; }
.app-topbar { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 26px; }
.breadcrumb { color: var(--ink-soft); font-size: 12px; }
.user-chip { display: flex; align-items: center; gap: 10px; padding: 7px 12px 7px 7px; border: 1px solid var(--line); background: var(--paper-2); border-radius: 999px; font-size: 12px; }
.avatar { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: var(--mint); color: var(--forest); font-weight: 800; }
.app-heading { display: flex; justify-content: space-between; gap: 22px; align-items: end; margin-bottom: 24px; }
.app-heading h1 { margin: 4px 0; font-family: var(--serif); font-weight: 400; font-size: clamp(34px,4vw,52px); line-height: 1.1; }
.app-heading p { margin: 0; color: var(--ink-soft); }
.panel { background: var(--paper-2); border: 1px solid rgba(20,39,36,.1); border-radius: var(--radius); box-shadow: 0 6px 24px rgba(20,39,36,.04); }
.panel-pad { padding: 24px; }
.dashboard-grid { display: grid; grid-template-columns: minmax(0,1.5fr) minmax(300px,.8fr); gap: 18px; }
.current-step { padding: 30px; background: var(--forest); color: white; position: relative; overflow: hidden; }
.current-step::after { content: ""; position: absolute; width: 230px; height: 230px; right: -80px; bottom: -100px; border: 55px solid rgba(183,225,214,.08); border-radius: 50%; }
.current-step p { color: #dbe8e4; max-width: 650px; }
.step-label { color: var(--mint); font-size: 11px; font-weight: 800; letter-spacing: .1em; }
.current-step h2 { font-family: var(--serif); font-weight: 400; font-size: 36px; margin: 9px 0; }
.timeline { display: grid; gap: 0; }
.timeline-row { display: grid; grid-template-columns: 18px 1fr auto; gap: 12px; padding: 15px 0; border-bottom: 1px solid var(--line); align-items: start; }
.timeline-dot { width: 10px; height: 10px; margin-top: 8px; border-radius: 50%; background: #aeb9b5; box-shadow: 0 0 0 4px #edf0ee; }
.timeline-dot.done { background: #4c9a84; box-shadow: 0 0 0 4px #e3f1ed; }
.timeline-row strong { display: block; font-size: 14px; }
.timeline-row small { color: var(--ink-soft); }
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 13px; margin-top: 18px; }
.metric { padding: 19px; }
.metric small { color: var(--ink-soft); }
.metric strong { display: block; margin-top: 8px; font-family: var(--serif); font-size: 30px; font-weight: 400; }
.status { display: inline-flex; align-items: center; gap: 6px; padding: 5px 9px; border-radius: 999px; background: #ecefea; color: var(--ink-soft); font-size: 11px; font-weight: 700; white-space: nowrap; }
.status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.status.positive { background: #e1f1eb; color: #246a57; }
.status.warning { background: #fff0d6; color: #805518; }
.status.negative { background: #f8e4e1; color: #913b35; }
.data-toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; padding: 18px 20px; border-bottom: 1px solid var(--line); }
.filter-group { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-chip { min-height: 35px; padding: 6px 11px; border: 1px solid var(--line); border-radius: 999px; background: transparent; font-size: 12px; }
.filter-chip.active { background: var(--forest); color: white; border-color: var(--forest); }
.data-list { display: grid; }
.data-row { display: grid; grid-template-columns: minmax(220px,1.4fr) repeat(3,minmax(100px,.55fr)) auto; gap: 15px; align-items: center; padding: 18px 20px; border-bottom: 1px solid var(--line); }
.data-row:last-child { border-bottom: 0; }
.data-row-title strong { display: block; }
.data-row-title small, .data-cell small { color: var(--ink-soft); }
.empty-state, .loading-state, .error-state { min-height: 260px; padding: 38px; display: grid; place-items: center; text-align: center; }
.state-inner { max-width: 470px; }
.state-symbol { width: 54px; height: 54px; margin: 0 auto 16px; border-radius: 17px; display: grid; place-items: center; background: var(--mint-pale); color: var(--forest); font-size: 22px; }
.error-state .state-symbol { background: #f8e4e1; color: var(--red); }
.spinner { width: 27px; height: 27px; margin: auto; border: 3px solid #dbe4e0; border-top-color: var(--forest-2); border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.detail-grid { display: grid; grid-template-columns: minmax(0,1.4fr) minmax(280px,.7fr); gap: 18px; }
.definition-list { display: grid; grid-template-columns: 180px 1fr; margin: 0; }
.definition-list dt, .definition-list dd { margin: 0; padding: 14px 0; border-bottom: 1px solid var(--line); }
.definition-list dt { color: var(--ink-soft); font-size: 12px; }
.version-card { padding: 18px; border: 1px solid var(--line); border-radius: var(--radius-sm); margin-top: 12px; }
.version-card.current { border-color: var(--forest-2); background: var(--mint-pale); }
.action-stack { display: grid; gap: 9px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.form-grid .span-2 { grid-column: 1 / -1; }
.inline-form { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; }
.inline-form .field { flex: 1 1 180px; margin: 0; }
.toast-region { position: fixed; z-index: 200; right: 18px; bottom: 18px; display: grid; gap: 8px; max-width: min(420px,calc(100vw - 36px)); }
.toast { padding: 14px 17px; border-radius: 12px; background: var(--ink); color: white; box-shadow: var(--shadow); font-size: 13px; animation: toast-in .2s ease; }
.toast.error { background: var(--red); }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } }
.mobile-bottom-nav { display: none; }
.site-footer { background: #0d2824; color: white; }
.footer-grid { max-width: var(--max); margin: auto; padding: 58px 24px; display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 50px; }
.footer-grid p, .footer-grid a { color: #bcd0ca; font-size: 13px; }
.footer-links { display: grid; gap: 7px; }

@media (max-width: 980px) {
  .public-nav { display: none; }
  .public-nav.open { position: absolute; display: grid; top: 64px; left: 12px; right: 12px; gap: 0; padding: 12px; background: var(--paper-2); border: 1px solid var(--line); border-radius: 15px; box-shadow: var(--shadow); }
  .public-nav.open a { padding: 11px; }
  .mobile-menu-button { display: block; }
  .hero-grid { grid-template-columns: 1fr; gap: 45px; }
  .control-preview { max-width: 620px; transform: none; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .app-shell { grid-template-columns: 88px minmax(0,1fr); }
  .sidebar .brand span:last-child, .side-nav a span:not(.side-icon), .sidebar-footer, .environment { display: none; }
  .sidebar .brand { justify-content: center; }
  .side-nav a { justify-content: center; }
  .dashboard-grid, .detail-grid { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 700px) {
  .header-inner { min-height: 64px; padding: 0 17px; }
  .header-actions .secondary { display: none; }
  .hero { min-height: auto; }
  .hero-grid { padding: 70px 18px; }
  .hero h1 { font-size: 49px; }
  .hero-copy { font-size: 15px; }
  .hero-actions .button { width: 100%; }
  .control-preview { padding: 17px; border-radius: 21px; }
  .section { padding: 74px 18px; }
  .section.compact { padding: 50px 18px; }
  .grid-3, .role-grid, .footer-grid { grid-template-columns: 1fr; }
  .story-card { min-height: 240px; }
  .role-panel { padding: 27px; }
  .page-hero { padding: 70px 18px 42px; }
  .legal-row { grid-template-columns: 1fr auto; }
  .legal-row p { grid-column: 1 / -1; grid-row: 2; }
  .auth-shell { display: block; }
  .auth-story { min-height: 330px; padding: 55px 20px; }
  .auth-story h1 { font-size: 46px; }
  .auth-panel { padding: 40px 20px 70px; }
  .role-options { grid-template-columns: 1fr; }
  .app-shell { display: block; min-height: 100vh; padding-bottom: 72px; }
  .sidebar { display: none; }
  .app-main { padding: 20px 16px 36px; }
  .app-topbar { margin-bottom: 20px; }
  .app-heading { align-items: start; flex-direction: column; }
  .app-heading h1 { font-size: 40px; }
  .dashboard-grid { display: block; }
  .dashboard-grid > * { margin-bottom: 14px; }
  .current-step { padding: 24px; }
  .current-step h2 { font-size: 32px; word-break: keep-all; }
  .metrics { grid-template-columns: 1fr 1fr; gap: 9px; }
  .metric { padding: 15px; }
  .data-row { grid-template-columns: 1fr auto; gap: 8px; padding: 17px; }
  .data-row .data-cell { display: none; }
  .form-grid { grid-template-columns: 1fr; }
  .form-grid .span-2 { grid-column: auto; }
  .definition-list { grid-template-columns: 1fr; }
  .definition-list dt { padding-bottom: 0; border-bottom: 0; }
  .definition-list dd { padding-top: 3px; }
  .mobile-bottom-nav { position: fixed; z-index: 80; left: 0; right: 0; bottom: 0; min-height: 67px; padding: 6px 8px max(6px,env(safe-area-inset-bottom)); display: grid; grid-template-columns: repeat(6,1fr); background: rgba(255,253,248,.96); border-top: 1px solid var(--line); backdrop-filter: blur(15px); }
  .mobile-bottom-nav a { display: grid; place-items: center; gap: 0; color: var(--ink-soft); font-size: 9px; font-weight: 700; }
  .mobile-bottom-nav a span:first-child { font-size: 18px; line-height: 1; }
  .mobile-bottom-nav a[aria-current="page"] { color: var(--forest); }
  .footer-grid { gap: 24px; }
}

@media (max-width: 390px) {
  .brand { font-size: 15px; }
  .header-actions .button { padding: 8px 12px; font-size: 12px; }
  .hero h1 { font-size: 43px; }
  .metrics { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; } }