/* 口コミ作成アシスタント 試作版
   濃紺×生成り×金 ── 税理士事務所らしい格式と、現代的な端正さの両立
   見出し: 明朝体 / 本文: ゴシック / 口コミ文: 明朝体（手紙の趣） */

:root {
  --paper: #f5f2eb;
  --surface: #ffffff;
  --surface-tint: #faf8f3;
  --ink: #232f3b;
  --muted: #6b7581;
  --line: #dcd6c8;
  --navy: #1c3a5b;
  --navy-deep: #12283f;
  --navy-soft: #eef2f7;
  --gold: #a8854a;
  --gold-hairline: #d8c9a5;
  --error: #a8434e;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background-color: var(--paper);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='88' height='44' viewBox='0 0 88 44'%3E%3Cg fill='none' stroke='%231c3a5b' stroke-opacity='0.05'%3E%3Ccircle cx='44' cy='44' r='42'/%3E%3Ccircle cx='44' cy='44' r='31'/%3E%3Ccircle cx='44' cy='44' r='20'/%3E%3Ccircle cx='0' cy='44' r='42'/%3E%3Ccircle cx='0' cy='44' r='31'/%3E%3Ccircle cx='0' cy='44' r='20'/%3E%3Ccircle cx='88' cy='44' r='42'/%3E%3Ccircle cx='88' cy='44' r='31'/%3E%3Ccircle cx='88' cy='44' r='20'/%3E%3C/g%3E%3C/svg%3E");
  background-size: 88px 44px;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic UI",
    "Yu Gothic", "Meiryo", sans-serif;
  font-size: 16px;
  line-height: 1.85;
}

[hidden] { display: none !important; }

.app {
  max-width: 560px;
  margin: 0 auto;
  padding: 28px 18px 8px;
}

/* 賞状のような二重罫のカード */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  outline: 1px solid var(--gold-hairline);
  outline-offset: 4px;
  border-radius: 3px;
  padding: 34px 24px 30px;
  margin: 5px;
  box-shadow: 0 10px 30px rgba(18, 40, 63, 0.07);
}

.card.center { text-align: center; }

h1, h2 {
  font-family: "Yu Mincho", "YuMincho", "Hiragino Mincho ProN",
    "BIZ UDMincho", "Noto Serif JP", serif;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--navy-deep);
}

h1 {
  margin: 10px 0 16px;
  font-size: 1.4rem;
  line-height: 1.6;
}

h2 {
  margin: 0 0 6px;
  font-size: 1.18rem;
  line-height: 1.6;
  padding-bottom: 10px;
  position: relative;
}

h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 34px;
  height: 2px;
  background: var(--gold);
}

p { margin: 0 0 14px; }

.muted { color: var(--muted); }

/* ---------- 導入（レターヘッド風） ---------- */

#s-intro .card { text-align: center; }

#s-intro h1 { margin-top: 14px; }

#s-intro > .card > p { text-align: left; }

.emblem {
  margin: 2px auto 14px;
  width: 76px;
  height: 76px;
}

.emblem svg { display: block; width: 100%; height: 100%; }

.office-label {
  display: flex;
  align-items: center;
  gap: 14px;
  justify-content: center;
  margin: 0;
  color: var(--navy);
  font-family: "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", serif;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.office-label::before,
.office-label::after {
  content: "";
  flex: 1 1 24px;
  max-width: 60px;
  height: 1px;
  background: var(--gold-hairline);
}

.intro-points {
  margin: 4px auto 24px;
  padding: 14px 18px;
  list-style: none;
  text-align: left;
  background: var(--surface-tint);
  border: 1px solid var(--line);
  border-radius: 3px;
}

.intro-points li {
  padding-left: 24px;
  position: relative;
  margin: 4px 0;
  font-size: 0.93rem;
}

.intro-points li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.75em;
  width: 10px;
  height: 1.5px;
  background: var(--gold);
}

.privacy {
  margin-top: 16px;
  font-size: 0.78rem;
  color: var(--muted);
  text-align: left;
}

/* ---------- ボタン ---------- */

.btn {
  display: inline-block;
  min-height: 50px;
  padding: 13px 28px;
  border: none;
  border-radius: 3px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  cursor: pointer;
  line-height: 1.5;
  transition: background-color 0.15s, color 0.15s;
}

@media (prefers-reduced-motion: reduce) {
  .btn { transition: none; }
}

.btn:focus-visible { outline: 3px solid rgba(28, 58, 91, 0.4); outline-offset: 2px; }
.btn:disabled { opacity: 0.5; cursor: default; }

.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--navy-deep); }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
}

.btn-google {
  background: var(--surface);
  border: 1.5px solid var(--navy);
  color: var(--navy);
  margin-top: 10px;
}

.btn-google:hover { background: var(--navy-soft); }

.btn-block { display: block; width: 100%; }

.nav-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 24px;
}

.nav-row .btn-primary { flex: 1 1 auto; }

/* ---------- 進捗・質問 ---------- */

.progress {
  height: 3px;
  background: var(--line);
  overflow: hidden;
  margin-bottom: 10px;
}

.progress-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--navy) 0%, var(--navy) 85%, var(--gold) 100%);
  transition: width 0.25s;
}

@media (prefers-reduced-motion: reduce) {
  .progress-bar { transition: none; }
}

.step-label {
  font-family: "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", serif;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  color: var(--gold);
  margin-bottom: 16px;
}

.q-note { font-size: 0.85rem; color: var(--muted); }

.q-error {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--error);
  margin-top: 8px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 16px 0 4px;
}

.chip {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  border-radius: 3px;
  padding: 10px 16px;
  font-family: inherit;
  font-size: 0.92rem;
  cursor: pointer;
  min-height: 44px;
  transition: background-color 0.12s, border-color 0.12s, color 0.12s;
}

@media (prefers-reduced-motion: reduce) {
  .chip { transition: none; }
}

.chip.on {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
  font-weight: 700;
}

.field { margin-top: 10px; }

input[type="text"], textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--surface-tint);
  color: var(--ink);
  font-family: inherit;
  font-size: 16px;
  line-height: 1.85;
  padding: 12px 14px;
}

input[type="text"]:focus, textarea:focus {
  outline: 2px solid var(--navy);
  outline-offset: 1px;
  border-color: var(--navy);
}

textarea { resize: vertical; margin-top: 12px; }

/* ---------- 生成中 ---------- */

.spinner {
  width: 40px;
  height: 40px;
  margin: 10px auto 18px;
  border: 3px solid var(--line);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  .spinner { animation: none; }
}

/* ---------- 下書き ---------- */

.tabs-caption {
  margin: 14px 0 6px;
  font-family: "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", serif;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.tabs {
  display: flex;
  gap: 8px;
  margin: 0 0 4px;
}

.tab {
  flex: 1 1 0;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  border-radius: 3px;
  padding: 10px 4px;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  cursor: pointer;
  min-height: 44px;
}

.tab.on {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
}

/* 口コミ文は明朝体で「書かれた文章」の趣に */
.draft-preview,
.final-text,
#edit-text {
  font-family: "Yu Mincho", "YuMincho", "Hiragino Mincho ProN",
    "BIZ UDMincho", "Noto Serif JP", serif;
  font-size: 1rem;
  line-height: 2;
}

.draft-preview {
  background: var(--surface-tint);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  border-radius: 0 3px 3px 0;
  padding: 18px;
  white-space: pre-wrap;
  min-height: 150px;
}

/* ---------- 確認・投稿 ---------- */

.confirm-note {
  background: var(--navy-soft);
  border-left: 3px solid var(--navy);
  border-radius: 0 3px 3px 0;
  padding: 13px 15px;
  font-size: 0.88rem;
  color: var(--ink);
}

.final-steps {
  margin: 4px 0 20px;
  padding: 0;
  list-style: none;
  counter-reset: fstep;
}

.final-steps li {
  counter-increment: fstep;
  position: relative;
  padding: 6px 0 6px 44px;
  font-size: 0.95rem;
}

.final-steps li::before {
  content: counter(fstep);
  position: absolute;
  left: 0;
  top: 6px;
  width: 30px;
  height: 30px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  color: var(--gold);
  font-family: "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", serif;
  font-size: 0.95rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}

.final-text {
  background: var(--surface-tint);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  border-radius: 0 3px 3px 0;
  padding: 16px 18px;
  white-space: pre-wrap;
  margin-bottom: 16px;
}

.thanks {
  text-align: center;
  font-family: "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", serif;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--navy);
  margin-top: 16px;
}

/* ---------- その他 ---------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  background: var(--navy-deep);
  color: #fff;
  padding: 10px 20px;
  border-radius: 3px;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
  max-width: 90vw;
}

.toast.show { opacity: 1; }

@media (prefers-reduced-motion: reduce) {
  .toast { transition: none; }
}

.app-footer {
  max-width: 560px;
  margin: 0 auto;
  padding: 14px 18px 34px;
  text-align: center;
}

.app-footer p {
  font-size: 0.75rem;
  color: var(--muted);
}