/* REVOL デモ共通スタイル */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --black: #0f0f0f; --white: #fafafa; --gray-100: #f2f2f0; --gray-200: #e0e0dc;
  --gray-400: #a0a09a; --gray-600: #606060;
  --navy: #1b3a6b; --navy-bg: #e7effa; --navy-border: #9dbde6;
  --ok: #1d9e75; --ok-bg: #e1f5ee; --warn: #d85a30; --warn-bg: #faece7;
  --font: 'Helvetica Neue', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
}
html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--white); color: var(--black); font-size: 16px; line-height: 1.7; -webkit-font-smoothing: antialiased; }

/* ナビ */
nav { position: fixed; top: 0; left: 0; right: 0; padding: 1.25rem 2rem; display: flex; justify-content: space-between; align-items: center; background: rgba(250,250,250,0.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--gray-200); z-index: 100; }
.logo { font-size: 19px; font-weight: 800; letter-spacing: 0.14em; color: var(--navy); text-decoration: none; }
.nav-links { display: flex; gap: 1.9rem; align-items: center; }
.nav-link { font-size: 13px; color: var(--gray-600); text-decoration: none; letter-spacing: 0.04em; font-weight: 600; }
.nav-link:hover { color: var(--navy); }
.nav-cta { font-size: 13px; padding: 0.55rem 1.3rem; background: var(--navy); border-radius: 3px; color: #fff; text-decoration: none; letter-spacing: 0.04em; font-weight: 700; transition: background 0.15s; }
.nav-cta:hover { background: #12294d; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0; color: var(--navy); }
.nav-toggle svg { width: 24px; height: 24px; display: block; }
.nav-overlay { display: none; }

/* レイアウト */
.wrap { max-width: 1000px; margin: 0 auto; padding: 7.5rem 2rem 5rem; }
.wrap-narrow { max-width: 800px; }
.demo-badge { display: inline-block; font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--navy); background: var(--navy-bg); border: 1px solid var(--navy-border); padding: 4px 12px; border-radius: 99px; margin-bottom: 1.25rem; }
h1 { font-size: clamp(26px, 4vw, 40px); font-weight: 700; line-height: 1.3; margin-bottom: 0.75rem; }
.lead { font-size: 15px; color: var(--gray-600); line-height: 1.85; max-width: 660px; }
.section-head { font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--gray-400); margin: 3rem 0 1.25rem; }

/* パネル */
.panel { border: 1px solid var(--gray-200); border-radius: 4px; padding: 1.5rem; background: var(--white); }
.panel-label { font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gray-400); margin-bottom: 1rem; display: flex; align-items: center; gap: 0.5rem; }
.step-num { display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; background: var(--navy); color: #fff; border-radius: 50%; font-size: 11px; flex-shrink: 0; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-top: 2rem; }

/* フォーム */
label { display: block; font-size: 12px; font-weight: 700; letter-spacing: 0.04em; color: var(--gray-600); margin-bottom: 0.35rem; }
input, select, textarea { width: 100%; padding: 0.7rem 0.9rem; border: 1px solid var(--gray-200); border-radius: 3px; font-family: var(--font); font-size: 14px; color: var(--black); background: var(--white); outline: none; transition: border-color 0.15s; -webkit-appearance: none; }
input:focus, select:focus, textarea:focus { border-color: var(--navy); }
textarea { min-height: 120px; line-height: 1.7; resize: vertical; white-space: pre-wrap; }
select { cursor: pointer; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23a0a09a' stroke-width='1.5' fill='none'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 0.9rem center; padding-right: 2.5rem; }
.field { margin-bottom: 1.1rem; }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }

/* ボタン */
.run-btn { margin: 2.5rem auto 0; display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%; max-width: 420px; padding: 1.1rem 2rem; background: var(--navy); color: #fff; border: none; border-radius: 3px; font-family: var(--font); font-size: 15px; font-weight: 700; letter-spacing: 0.04em; cursor: pointer; transition: opacity 0.15s; }
.run-btn:hover { opacity: 0.88; }
.run-btn:disabled { opacity: 0.45; cursor: not-allowed; }
.spinner { display: inline-block; width: 16px; height: 16px; border: 2px solid rgba(255,255,255,0.35); border-top-color: #fff; border-radius: 50%; animation: spin 0.7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* 結果 */
.results { margin-top: 3rem; display: none; }
.results.show { display: block; }
.card { border: 1px solid var(--gray-200); border-radius: 4px; padding: 1.25rem 1.5rem; margin-bottom: 1rem; }
.card.accent { border-color: var(--navy-border); background: var(--navy-bg); }
.card.hi { border-left: 4px solid var(--navy); }
.card-title { font-size: 13px; font-weight: 700; color: var(--navy); margin-bottom: 1rem; letter-spacing: 0.04em; }
.kv-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 0.75rem 1.5rem; }
.kv .k { font-size: 11px; color: var(--gray-600); margin-bottom: 0.1rem; }
.kv .v { font-size: 14px; font-weight: 700; color: var(--black); }

.row-top { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.5rem; flex-wrap: wrap; }
.row-name { font-size: 16px; font-weight: 700; }
.row-reason { font-size: 13px; color: var(--gray-600); line-height: 1.7; }

/* バッジ */
.badge { font-size: 12px; font-weight: 700; padding: 2px 10px; border-radius: 99px; white-space: nowrap; }
.badge.b1 { background: var(--navy); color: #fff; }
.badge.b2 { background: var(--navy-bg); color: var(--navy); border: 1px solid var(--navy-border); }
.badge.b3 { background: var(--gray-100); color: var(--gray-600); }
.badge.b4 { background: var(--gray-100); color: var(--gray-400); }
.badge.hot { background: var(--warn-bg); color: var(--warn); border: 1px solid #f0997b; }
.badge.warm { background: #fff7e6; color: #b8860b; border: 1px solid #e8d08a; }
.badge.cold { background: var(--navy-bg); color: var(--navy); border: 1px solid var(--navy-border); }
.badge.score { background: var(--ok-bg); color: var(--ok); border: 1px solid #9fe1cb; }

/* メッセージ箱 */
.msg-box { margin-top: 0.9rem; background: var(--gray-100); border-radius: 3px; padding: 0.9rem 1rem; position: relative; }
.msg-label { font-size: 11px; color: var(--gray-400); letter-spacing: 0.06em; margin-bottom: 0.4rem; }
.msg-text { font-size: 13px; line-height: 1.85; white-space: pre-wrap; }
.copy-btn { position: absolute; top: 0.7rem; right: 0.8rem; font-size: 11px; padding: 0.25rem 0.7rem; border: 1px solid var(--gray-200); border-radius: 3px; background: var(--white); color: var(--gray-600); cursor: pointer; }
.copy-btn:hover { background: var(--gray-200); }

/* チャット (#4) */
.chat { border: 1px solid var(--gray-200); border-radius: 6px; height: 420px; display: flex; flex-direction: column; overflow: hidden; }
.chat-log { flex: 1; overflow-y: auto; padding: 1.25rem; display: flex; flex-direction: column; gap: 0.9rem; background: var(--gray-100); }
.bubble { max-width: 80%; padding: 0.7rem 1rem; border-radius: 12px; font-size: 14px; line-height: 1.7; }
.bubble.user { align-self: flex-end; background: var(--navy); color: #fff; border-bottom-right-radius: 3px; }
.bubble.ai { align-self: flex-start; background: var(--white); border: 1px solid var(--gray-200); border-bottom-left-radius: 3px; }
.chat-input { display: flex; gap: 0.5rem; padding: 0.8rem; border-top: 1px solid var(--gray-200); background: var(--white); }
.chat-input input { flex: 1; }
.chat-send { padding: 0 1.25rem; background: var(--navy); color: #fff; border: none; border-radius: 3px; font-weight: 700; cursor: pointer; font-size: 14px; }
.chat-send:disabled { opacity: 0.45; cursor: not-allowed; }

/* 画像アップロード (#3) */
.drop { border: 2px dashed var(--gray-200); border-radius: 6px; padding: 2.5rem 1.5rem; text-align: center; cursor: pointer; transition: border-color 0.15s, background 0.15s; }
.drop:hover { border-color: var(--navy-border); background: var(--navy-bg); }
.drop p { font-size: 14px; color: var(--gray-600); }
.drop .hint { font-size: 12px; color: var(--gray-400); margin-top: 0.4rem; }
.preview-img { max-width: 100%; max-height: 320px; border-radius: 4px; margin-top: 1rem; border: 1px solid var(--gray-200); }

.err { color: #b00; font-size: 14px; margin-top: 1.5rem; text-align: center; }
.note { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--gray-200); font-size: 12px; color: var(--gray-400); line-height: 1.8; }
.back-link { display: inline-block; font-size: 13px; color: var(--gray-600); text-decoration: none; margin-bottom: 1rem; }
.back-link:hover { color: var(--black); }

footer { padding: 2rem; text-align: center; font-size: 12px; color: var(--gray-400); letter-spacing: 0.04em; border-top: 1px solid var(--gray-200); }

@media (max-width: 768px) {
  nav { padding: 1rem 1.25rem; backdrop-filter: none; -webkit-backdrop-filter: none; background: var(--white); }
  .nav-toggle { display: block; }
  .nav-links { position: fixed; top:0; right:0; bottom:0; width:72%; max-width:300px; flex-direction:column; align-items:flex-start; justify-content:flex-start; gap:1.75rem; padding:5.5rem 2rem 2rem; background:var(--white); border-left:1px solid var(--gray-200); box-shadow:-8px 0 30px rgba(0,0,0,0.06); transform:translateX(105%); transition:transform 0.28s ease; z-index:120; }
  .nav-links.open { transform: translateX(0); }
  .nav-link { font-size: 16px; }
  .nav-cta { font-size: 15px; padding: 0.65rem 1.5rem; }
  .nav-overlay.open { display:block; position:fixed; inset:0; background:rgba(0,0,0,0.35); z-index:115; }
  .wrap { padding: 7rem 1.25rem 3rem; }
  .two-col { grid-template-columns: 1fr; }
  .field-grid { grid-template-columns: 1fr; }
}