/* おもいで本 Web — §10 の世界観
   「記憶の中の、やわらかい光。少し褪せたようで、あたたかい。」
   パレット: 生成り#FAF5EC 金茶#C8A86A 飴色#B5824F くすみ朱#B06A5C 淡桃#E7C2B3 若葉#7C8B6F 灯り色#F2D9A0 墨#3B352F */

:root {
  --kinari: #FAF5EC;
  --kincha: #C8A86A;
  --ameiro: #B5824F;
  --shu: #B06A5C;
  --momo: #E7C2B3;
  --wakaba: #7C8B6F;
  --akari: #F2D9A0;
  --sumi: #3B352F;
  --sumi-soft: #6d645a;
  --card: #FFFEFA;
  --serif: "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif JP", serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

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

body {
  font-family: var(--serif);
  background: var(--kinari);
  color: var(--sumi);
  line-height: 1.9;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

/* ---------- 骨格 ---------- */
.topbar {
  display: flex; align-items: baseline; justify-content: space-between;
  padding: max(14px, env(safe-area-inset-top)) 20px 12px;
  border-bottom: 1px solid rgba(200, 168, 106, .45);
}
.brand {
  font-size: 1.25rem; letter-spacing: .35em; text-decoration: none; color: var(--sumi);
  font-weight: 600;
}
.nav-link { color: var(--ameiro); text-decoration: none; font-size: .95rem; letter-spacing: .1em; }

.view {
  flex: 1;
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
  padding: 24px 20px 48px;
  animation: fadein .45s ease;
}
@keyframes fadein { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; } }

.foot {
  text-align: center; font-size: .78rem; color: var(--sumi-soft);
  padding: 16px 20px max(20px, env(safe-area-inset-bottom));
}

/* ---------- 見出し・文 ---------- */
h1 { font-size: 1.5rem; font-weight: 600; letter-spacing: .12em; margin-bottom: 8px; }
h2 { font-size: 1.15rem; font-weight: 600; letter-spacing: .1em; color: #7a5a46; margin: 4px 0 10px; }
.lead { color: var(--sumi-soft); font-size: .95rem; margin-bottom: 20px; }
.note { color: var(--sumi-soft); font-size: .85rem; }

/* ---------- カード ---------- */
.card {
  background: var(--card);
  border: 1px solid rgba(200, 168, 106, .4);
  border-radius: 14px;
  padding: 20px 18px;
  margin-bottom: 16px;
  box-shadow: 0 2px 10px rgba(59, 53, 47, .05);
}
.card + .card { margin-top: 4px; }

/* ---------- ボタン ---------- */
.btn {
  display: block; width: 100%;
  font-family: var(--serif);
  font-size: 1.05rem; letter-spacing: .1em;
  padding: 15px 18px;
  border-radius: 12px;
  border: 0; cursor: pointer;
  text-align: center; text-decoration: none;
  transition: opacity .15s ease, transform .05s ease;
}
.btn:active { transform: scale(.985); }
.btn:disabled { opacity: .45; cursor: default; }
.btn-primary { background: var(--ameiro); color: #fff; }
.btn-secondary { background: transparent; color: var(--ameiro); border: 1.5px solid var(--kincha); }
.btn-quiet { background: transparent; color: var(--sumi-soft); font-size: .92rem; text-decoration: underline; text-underline-offset: 4px; }
.btn + .btn { margin-top: 10px; }

/* ---------- フォーム ---------- */
label.field { display: block; margin-bottom: 18px; }
label.field .label { display: block; font-size: .95rem; margin-bottom: 6px; letter-spacing: .08em; }
input[type=text], textarea {
  width: 100%;
  font-family: var(--serif); font-size: 1.05rem;
  padding: 12px 14px;
  border: 1.5px solid rgba(200, 168, 106, .6);
  border-radius: 10px;
  background: #fff;
  color: var(--sumi);
}
input:focus, textarea:focus { outline: 2px solid var(--akari); border-color: var(--kincha); }
textarea { min-height: 130px; resize: vertical; line-height: 1.8; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.chip {
  font-family: var(--serif); font-size: .95rem;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1.5px solid rgba(200, 168, 106, .7);
  background: #fff; color: var(--sumi);
  cursor: pointer;
}
.chip.on { background: var(--akari); border-color: var(--kincha); }

/* ---------- インタビュー ---------- */
.progress { display: flex; gap: 6px; margin-bottom: 18px; justify-content: center; }
.progress i {
  width: 9px; height: 9px; border-radius: 50%;
  background: rgba(200, 168, 106, .35);
}
.progress i.done { background: var(--kincha); }
.progress i.now { background: var(--shu); transform: scale(1.25); }

.q-label { font-size: .82rem; color: var(--ameiro); letter-spacing: .2em; margin-bottom: 6px; }
.q-text { font-size: 1.18rem; line-height: 2; margin-bottom: 18px; }

/* ---------- 生成中 ---------- */
.weaving { text-align: center; padding: 48px 0; }
.weaving .lamp {
  width: 56px; height: 56px; margin: 0 auto 22px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 45%, var(--akari), var(--kincha));
  animation: glow 2.6s ease-in-out infinite;
}
@keyframes glow {
  0%, 100% { box-shadow: 0 0 18px 4px rgba(242, 217, 160, .55); }
  50% { box-shadow: 0 0 34px 12px rgba(242, 217, 160, .85); }
}

/* ---------- 試し読み ---------- */
.book-title { font-size: 1.35rem; text-align: center; letter-spacing: .18em; margin: 6px 0 2px; }
.book-author { text-align: center; font-size: .85rem; color: var(--sumi-soft); margin-bottom: 18px; }
.excerpt {
  background: #fff;
  border: 1px solid rgba(200, 168, 106, .4);
  border-radius: 12px;
  padding: 22px 20px;
  font-size: 1.02rem; line-height: 2.1;
  margin-bottom: 6px;
  white-space: pre-wrap;
}
.excerpt-fade {
  height: 56px; margin-top: -62px; position: relative; margin-bottom: 14px;
  background: linear-gradient(rgba(255,255,255,0), #fff 85%);
  border-radius: 0 0 12px 12px;
}
.price-line { display: flex; justify-content: space-between; align-items: baseline; margin: 6px 0; }
.price { font-size: 1.3rem; color: var(--shu); }

/* ---------- 本棚 ---------- */
.shelf-card { display: block; text-decoration: none; color: inherit; }
.shelf-title { font-size: 1.12rem; font-weight: 600; letter-spacing: .1em; }
.shelf-sub { font-size: .85rem; color: var(--sumi-soft); margin-top: 2px; }
.badge {
  display: inline-block; font-size: .75rem; letter-spacing: .1em;
  padding: 2px 10px; border-radius: 999px; margin-top: 8px;
  background: var(--akari); color: #7a5a46;
}
.badge.working { background: var(--momo); color: #8a4a3c; }
.badge.done { background: #e4e9dd; color: #55613f; }

.hero { text-align: center; padding: 30px 0 10px; }
.hero .mark { font-size: 2.4rem; margin-bottom: 10px; }
.hero h1 { font-size: 1.45rem; letter-spacing: .2em; }
.hero p { color: var(--sumi-soft); font-size: .95rem; margin: 12px 0 26px; }

.error-box {
  background: #fdf3f1; border: 1px solid var(--momo);
  color: #8a4a3c; border-radius: 10px;
  padding: 12px 14px; font-size: .9rem; margin-bottom: 14px;
}