:root {
  --primary: #8a2f3c;
  --primary-dark: #61202c;
  --primary-deep: #471520;
  --primary-light: #f5e4e7;
  --primary-pale: #faf1f2;
  --accent: #b8862d;
  --accent-dark: #97690f;
  --accent-light: #f7edd6;
  --ink: #2b1c20;
  --muted: #73626a;
  --bg: #f6f5f1;
  --card: #ffffff;
  --border: #e4e8e6;
  --gold: #c99b2e;
  --c-buncho: #8a2f3c;   /* 国（文化庁） */
  --c-gov: #2f6a8a;       /* 文化庁（観光庁計上・インバウンド） */
  --c-org: #7c4dbe;       /* 協会・独法 */
  --c-private: #e07020;   /* 民間・財団 */
  --c-toyama: #2e6e46;    /* 県（富山県） */
  --shadow-sm: 0 1px 2px rgba(42, 16, 22, .06), 0 2px 8px rgba(42, 16, 22, .05);
  --shadow-md: 0 2px 6px rgba(42, 16, 22, .07), 0 10px 28px rgba(42, 16, 22, .09);
  --radius: 16px;
  font-size: 16px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic Medium", sans-serif;
  background:
    radial-gradient(1100px 500px at 85% -160px, rgba(138, 47, 60, .10), transparent 60%),
    radial-gradient(800px 400px at -10% -120px, rgba(184, 134, 45, .08), transparent 55%),
    var(--bg);
  color: var(--ink);
  line-height: 1.7;
  font-feature-settings: "palt";
}

/* ================= ヘッダー ================= */
header {
  background:
    radial-gradient(900px 320px at 90% -80px, rgba(255, 255, 255, .14), transparent 60%),
    radial-gradient(700px 300px at 8% 120%, rgba(184, 134, 45, .25), transparent 55%),
    linear-gradient(130deg, var(--primary-deep) 0%, var(--primary-dark) 45%, var(--primary) 100%);
  color: #fff;
  padding: 34px 20px 0;
  position: relative;
  overflow: hidden;
}
header::before {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.13) 1px, transparent 1.4px);
  background-size: 22px 22px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.55), transparent 75%);
  pointer-events: none;
}
.header-art {
  position: absolute; right: 0; bottom: 0; height: 100%; max-width: 60%;
  pointer-events: none;
}
.header-inner { max-width: 880px; margin: 0 auto; position: relative; }
.logo {
  font-size: 1.6rem; font-weight: 800; letter-spacing: .03em;
  display: flex; align-items: center; gap: 12px;
}
.logo .mark {
  width: 46px; height: 46px; border-radius: 14px;
  background: linear-gradient(140deg, #ffffff22, #ffffff0d);
  border: 1px solid rgba(255,255,255,.35);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.45rem;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.25);
}
.tagline { font-size: .9rem; opacity: .88; margin-top: 10px; max-width: 560px; }

.proto-badge {
  font-size: .66rem; font-weight: 800; letter-spacing: .08em;
  color: #ffdf9e; border: 1px solid rgba(255, 223, 158, .55);
  background: rgba(255, 223, 158, .1);
  border-radius: 999px; padding: 3px 10px;
  align-self: center; margin-left: 2px;
  white-space: nowrap;
}

.hero-stats { display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap; }
.stat-pill {
  font-size: .76rem; font-weight: 700; letter-spacing: .02em;
  background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.28);
  border-radius: 999px; padding: 4px 13px;
  backdrop-filter: blur(2px);
}

nav.tabs {
  max-width: 880px; margin: 22px auto 0; display: flex; gap: 6px; position: relative;
}
.tab-btn {
  flex: 1; padding: 13px 12px; border: none; border-radius: 14px 14px 0 0;
  background: rgba(255,255,255,.13); color: rgba(255,255,255,.92);
  font-size: .95rem; font-weight: 700; letter-spacing: .02em;
  cursor: pointer; transition: background .18s, color .18s;
  font-family: inherit;
}
.tab-btn:hover { background: rgba(255,255,255,.24); }
.tab-btn.active { background: var(--bg); color: var(--primary-dark); }

main { max-width: 880px; margin: 0 auto; padding: 26px 16px 80px; }
.view { display: none; }
.view.active { display: block; animation: fadeIn .3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ================= 使い方ストリップ ================= */
.howto {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 16px; margin-bottom: 20px; box-shadow: var(--shadow-sm);
}
.howto-step { display: flex; align-items: center; gap: 10px; }
.howto-ico {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--primary-pale); border: 1.5px solid #e3ccd1;
  display: flex; align-items: center; justify-content: center; font-size: 1.25rem;
}
.howto-label { display: flex; flex-direction: column; line-height: 1.35; }
.howto-label b { font-size: .68rem; color: var(--accent-dark); letter-spacing: .08em; }
.howto-label span { font-size: .82rem; font-weight: 700; color: var(--ink); }
.howto-arrow { color: #d8c2c7; font-size: .8rem; flex: 0 0 auto; }

/* ================= チャット ================= */
#chat-log { display: flex; flex-direction: column; gap: 18px; padding-bottom: 10px; }

.msg { display: flex; gap: 12px; animation: fadeIn .3s ease; scroll-margin-top: 18px; }
.msg .avatar {
  flex: 0 0 40px; width: 40px; height: 40px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center; font-size: 1.2rem;
  background: linear-gradient(140deg, var(--primary), var(--primary-dark));
  box-shadow: var(--shadow-sm);
}
.msg.user { flex-direction: row-reverse; }
.msg.user .avatar { background: linear-gradient(140deg, var(--accent), var(--accent-dark)); }

.bubble {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 4px 18px 18px 18px;
  padding: 14px 18px; max-width: 88%;
  box-shadow: var(--shadow-sm);
  font-size: .95rem;
}
.msg.user .bubble {
  background: linear-gradient(140deg, var(--primary), var(--primary-dark));
  border: none; color: #fff; border-radius: 18px 4px 18px 18px;
  font-weight: 600;
}
.bubble p + p { margin-top: 9px; }
.bubble .small { font-size: .82rem; color: var(--muted); }
.msg.user .bubble .small { color: rgba(255,255,255,.8); }

/* 例文サジェスト */
.suggests { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.suggest {
  text-align: left; border: 1.5px dashed #d4bcc2; background: var(--primary-pale);
  color: var(--primary-dark); border-radius: 12px; padding: 10px 14px;
  font-size: .86rem; cursor: pointer; font-family: inherit; line-height: 1.55;
  transition: all .15s;
}
.suggest:hover { background: var(--primary-light); border-style: solid; transform: translateY(-1px); }
.suggest .s-label { font-weight: 800; font-size: .74rem; color: var(--primary); display: block; letter-spacing: .04em; }

/* チップ */
.chips { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 12px; }
.chip {
  border: 1.5px solid #d8c2c7; color: var(--primary-dark); background: #fff;
  border-radius: 999px; padding: 8px 16px; font-size: .88rem; font-weight: 700;
  cursor: pointer; transition: all .14s; font-family: inherit;
  box-shadow: 0 1px 2px rgba(42,16,22,.04);
}
.chip:hover { border-color: var(--primary); background: var(--primary-pale); transform: translateY(-1px); }
.chip.selected {
  background: linear-gradient(140deg, var(--primary), var(--primary-dark));
  color: #fff; border-color: transparent;
  box-shadow: 0 3px 10px rgba(138,47,60,.3);
}
.chip:disabled { opacity: .45; cursor: default; transform: none; }
.chip.confirm {
  border: none; color: #fff;
  background: linear-gradient(140deg, var(--accent), var(--accent-dark));
  box-shadow: 0 3px 12px rgba(184,134,45,.35);
  padding: 8px 20px;
}
.chip.confirm:hover { filter: brightness(1.06); transform: translateY(-1px); }

/* 入力エリア */
#input-area {
  position: sticky; bottom: 14px; margin-top: 18px;
  display: flex; gap: 10px; align-items: stretch;
  background: rgba(255,255,255,.92);
  border: 1px solid var(--border);
  border-radius: 18px; padding: 10px;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(8px);
}
#free-text {
  flex: 1; padding: 11px 12px; border: none; border-radius: 10px;
  font-size: .95rem; font-family: inherit; resize: none; min-height: 48px;
  background: transparent;
}
#free-text:focus { outline: none; }
#free-text:disabled::placeholder { color: var(--accent-dark); font-weight: 800; opacity: 1; }
#input-area:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(138,47,60,.12), var(--shadow-md); }
#send-btn {
  padding: 0 26px; border: none; border-radius: 12px;
  background: linear-gradient(140deg, var(--primary), var(--primary-dark));
  color: #fff; font-size: .95rem; font-weight: 800; cursor: pointer; font-family: inherit;
  letter-spacing: .05em; transition: filter .15s, transform .15s;
}
#send-btn:hover { filter: brightness(1.1); transform: translateY(-1px); }
#send-btn:disabled { background: #c8b9bd; cursor: default; transform: none; }

/* ================= 結果カード ================= */
.result-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  margin-top: 14px; overflow: hidden; box-shadow: var(--shadow-sm);
  border-left: 5px solid var(--src-color, var(--primary));
  transition: box-shadow .18s, transform .18s;
}
.result-card:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.result-card.top-pick { border-left-color: var(--gold); box-shadow: 0 2px 6px rgba(201,155,46,.14), 0 10px 26px rgba(201,155,46,.13); }

.result-card.src-buncho { --src-color: var(--c-buncho); }
.result-card.src-gov { --src-color: var(--c-gov); }
.result-card.src-org { --src-color: var(--c-org); }
.result-card.src-private { --src-color: var(--c-private); }
.result-card.src-toyama { --src-color: var(--c-toyama); }

.result-head { display: flex; align-items: flex-start; gap: 12px; padding: 16px 18px; cursor: pointer; }
.rank-badge {
  flex: 0 0 auto; margin-top: 1px;
  min-width: 34px; height: 34px; border-radius: 11px; padding: 0 8px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: .86rem; color: #fff;
  background: linear-gradient(140deg, #927e84, #73626a);
}
.rank-badge.r1 { background: linear-gradient(140deg, #e6b93c, #c99b2e); box-shadow: 0 3px 10px rgba(201,155,46,.4); }
.rank-badge.r2 { background: linear-gradient(140deg, #a7b6c4, #8494a6); }
.rank-badge.r3 { background: linear-gradient(140deg, #cf9469, #b3764a); }
.rank-badge.cat { background: var(--primary-pale); border: 1px solid var(--border); font-size: 1.05rem; }

.result-title { font-weight: 800; font-size: 1rem; line-height: 1.5; }
.result-sub { font-size: .8rem; color: var(--muted); margin-top: 3px; }
.badges { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 9px; }
.badge {
  font-size: .72rem; font-weight: 700; padding: 3px 10px; border-radius: 999px;
  background: var(--primary-light); color: var(--primary-dark);
}
.badge.type { background: var(--accent-light); color: #a05a12; }
.badge.src { background: color-mix(in srgb, var(--src-color, var(--primary)) 12%, white); color: var(--src-color, var(--primary)); }

.amount-line {
  margin-top: 10px; font-size: .84rem; font-weight: 700; color: var(--primary-dark);
  background: var(--primary-pale); border-radius: 10px; padding: 7px 12px;
  display: flex; gap: 8px; align-items: baseline;
}
.amount-line .yen { font-size: .72rem; color: var(--muted); font-weight: 700; flex: 0 0 auto; }

.toggle-icon {
  margin-left: auto; flex: 0 0 28px; width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%; background: var(--primary-pale); color: var(--primary-dark);
  font-size: .72rem; transition: transform .22s;
}
.result-card.open .toggle-icon { transform: rotate(180deg); }

.result-body { display: none; border-top: 1px solid var(--border); padding: 18px; font-size: .9rem; background: #fcfdfc; }
.result-card.open .result-body { display: block; animation: fadeIn .25s ease; }

.detail-grid { display: grid; grid-template-columns: 96px 1fr; gap: 8px 14px; margin-bottom: 12px; }
.detail-grid dt {
  font-weight: 800; color: var(--muted); font-size: .76rem; letter-spacing: .04em;
  padding-top: 3px;
}
.detail-grid dd { font-size: .88rem; }

.note-box {
  background: linear-gradient(140deg, var(--primary-light), var(--primary-pale));
  border: 1px solid #e6d3d8;
  border-radius: 12px; padding: 12px 14px; font-size: .86rem; margin-bottom: 16px;
}

.steps-title {
  font-weight: 800; color: var(--ink); font-size: .92rem; margin-bottom: 12px;
  display: flex; align-items: center; gap: 8px;
}
.steps-title::before { content: ""; width: 5px; height: 18px; border-radius: 3px; background: var(--accent); }
.steps-title.cases-title::before { background: var(--primary); }

/* 活用事例 */
.cases { margin-bottom: 16px; display: flex; flex-direction: column; gap: 8px; }
.case-item {
  display: flex; gap: 10px; align-items: flex-start;
  background: #fff; border: 1px solid var(--border); border-radius: 12px;
  padding: 10px 13px; font-size: .85rem;
}
.case-tag {
  flex: 0 0 auto; font-size: .7rem; font-weight: 800; letter-spacing: .04em;
  border-radius: 6px; padding: 2px 8px; margin-top: 2px;
}
.case-tag.t-jisseki { background: var(--primary); color: #fff; }
.case-tag.t-image { background: #eef1f0; color: var(--muted); border: 1px solid var(--border); }

.step-ico { margin-right: 4px; }

ol.steps { padding-left: 0; list-style: none; counter-reset: step; position: relative; }
ol.steps::before {
  content: ""; position: absolute; left: 14px; top: 14px; bottom: 14px;
  width: 2px; background: linear-gradient(to bottom, var(--accent) 0%, #f3c99b 100%);
  border-radius: 2px;
}
ol.steps li { counter-increment: step; position: relative; padding: 5px 0 16px 44px; font-size: .88rem; }
ol.steps li:last-child { padding-bottom: 2px; }
ol.steps li::before {
  content: counter(step); position: absolute; left: 0; top: 3px;
  width: 30px; height: 30px; border-radius: 50%;
  background: #fff; border: 2.5px solid var(--accent); color: var(--accent-dark);
  font-weight: 800; font-size: .84rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 0 4px #fcfdfc;
}
.policy-link { font-size: .82rem; margin-top: 10px; }
.policy-link a { color: var(--primary); word-break: break-all; }

/* 共通の一歩ボックス */
.summary-box {
  background: linear-gradient(135deg, #fff8ee, #f7edd6);
  border: 1px solid #f2ddc2; border-left: 5px solid var(--accent);
  border-radius: 12px; padding: 14px 16px; margin-top: 16px; font-size: .88rem;
}
.summary-box strong { color: var(--accent-dark); }

.restart-row { margin-top: 14px; text-align: center; }
.restart-btn {
  border: 1.5px solid var(--border); background: #fff; color: var(--muted);
  border-radius: 999px; padding: 7px 18px; font-size: .82rem; font-weight: 700;
  cursor: pointer; font-family: inherit; transition: all .15s;
}
.restart-btn:hover { color: var(--primary-dark); border-color: var(--primary); }

/* ================= 一覧 ================= */
.filter-bar {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px 20px; margin-bottom: 16px; box-shadow: var(--shadow-sm);
}
.filter-bar h3 {
  font-size: .76rem; color: var(--muted); margin: 14px 0 6px; font-weight: 800; letter-spacing: .06em;
}
.filter-bar h3:first-child { margin-top: 0; }
#list-search {
  width: 100%; padding: 12px 14px; border: 1.5px solid var(--border); border-radius: 12px;
  font-size: .92rem; font-family: inherit; background: var(--primary-pale);
}
#list-search:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(138,47,60,.12); background: #fff; }
.filter-bar .chips { margin-top: 6px; }
.filter-bar .chip { padding: 6px 13px; font-size: .82rem; }

.count-line { font-size: .84rem; color: var(--muted); margin: 14px 4px 2px; font-weight: 700; }

.legend { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 12px; font-size: .76rem; color: var(--muted); }
.legend span { display: inline-flex; align-items: center; gap: 5px; font-weight: 700; }
.legend i { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
.legend .l1 i { background: var(--c-buncho); }
.legend .l2 i { background: var(--c-gov); }
.legend .l3 i { background: var(--c-org); }
.legend .l4 i { background: var(--c-private); }
.legend .l5 i { background: var(--c-toyama); }

/* ================= 運営者紹介 ================= */
.about-wrap { max-width: 880px; margin: 0 auto; padding: 6px 16px 26px; }
.about-card {
  display: flex; gap: 14px; align-items: flex-start;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 18px; box-shadow: var(--shadow-sm);
}
.about-monogram {
  flex: 0 0 46px; width: 46px; height: 46px; border-radius: 14px;
  background: linear-gradient(140deg, var(--primary), var(--primary-dark));
  color: #fff; font-weight: 800; font-size: 1.25rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-sm);
}
.about-eyebrow {
  font-size: .68rem; font-weight: 800; letter-spacing: .1em; color: var(--muted);
}
.about-name { font-size: .98rem; font-weight: 800; margin-top: 2px; }
.about-title { font-size: .78rem; font-weight: 700; color: var(--muted); margin-left: 6px; }
.about-note { font-size: .84rem; color: var(--ink); margin-top: 6px; }
.about-links { margin-top: 8px; font-size: .8rem; }
.about-links a {
  color: var(--primary); font-weight: 700; text-decoration: none;
  border-bottom: 1px solid #d4bcc2;
}
.about-links a:hover { border-bottom-color: var(--primary); }

footer {
  max-width: 880px; margin: 0 auto; padding: 24px 18px 46px; font-size: .78rem; color: var(--muted);
  border-top: 1px solid var(--border);
}

@media (max-width: 560px) {
  .about-card { flex-direction: row; }
  .logo { flex-wrap: wrap; }
}

.typing { display: inline-flex; gap: 5px; align-items: center; padding: 6px 2px; }
.typing span {
  width: 8px; height: 8px; border-radius: 50%; background: var(--primary); opacity: .35;
  animation: blink 1.2s infinite;
}
.typing span:nth-child(2) { animation-delay: .2s; }
.typing span:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%, 80%, 100% { opacity: .25; transform: scale(.9); } 40% { opacity: 1; transform: scale(1.1); } }

@media (max-width: 560px) {
  header { padding-top: 26px; }
  .logo { font-size: 1.3rem; }
  .header-art { opacity: .55; }
  .howto { gap: 6px; padding: 12px 10px; }
  .howto-ico { width: 36px; height: 36px; font-size: 1rem; }
  .howto-label span { font-size: .72rem; }
  .howto-label b { font-size: .6rem; }
  .bubble { max-width: 94%; }
  .detail-grid { grid-template-columns: 84px 1fr; }
  #input-area { bottom: 8px; }
  .tab-btn { font-size: .86rem; padding: 11px 8px; }
}