/* ============================================================
 * 住宅価格シミュレーター スタイル（モバイルファースト）
 * ============================================================ */

:root {
  --color-primary: #4b6d8e;      /* サイト共通のブルー */
  --color-accent: #4b6d8e;       /* アクセント（ボタン等） */
  --color-deep: #3d5c7a;         /* 濃いブルー（金額強調） */
  --color-background: #ffffff;   /* ベース背景 */
  --color-surface: #ffffff;
  --color-beige: #edf2f8;        /* 淡いブルーのパネル */
  --color-text: #33383d;
  --color-text-sub: #7d8590;
  --color-border: #d9e2ec;
  --color-ok: #4b6d8e;           /* チェックアイコン */
  --radius: 14px;
  --font: "Shippori Mincho", "Noto Serif JP", "Hiragino Mincho ProN", serif;
  --font-serif: "Shippori Mincho", "Noto Serif JP", "Hiragino Mincho ProN", serif;
  --font-en: "Cormorant Garamond", "EB Garamond", serif;
}

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

body {
  font-family: var(--font);
  color: var(--color-text);
  background: var(--color-background);
  font-size: 15px;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}

button, input { font-family: var(--font); color: var(--color-text); }
body { font-weight: 400; }
button { cursor: pointer; }
ul { list-style: none; }

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ---------- 全体レイアウト ---------- */
.sim {
  max-width: 1080px;
  margin: 0 auto;
  padding: 40px 20px 64px;
}
.sim__header { text-align: center; }
.sim__title {
  font-size: 26px;
  font-weight: 500;
  letter-spacing: .12em;
}
.sim__lead {
  margin-top: 12px;
  font-size: 13px;
  color: var(--color-text);
}
.sim__pricing-date {
  margin-top: 8px;
  font-size: 11px;
  color: var(--color-text-sub);
}
.sim__layout { margin-top: 32px; }

/* ---------- ステップ ---------- */
.sim-step { margin-bottom: 36px; }
.sim-step__title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: .06em;
  margin-bottom: 16px;
}
.sim-step__num {
  width: 26px; height: 26px; flex-shrink: 0;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-size: 13px;
  display: flex; align-items: center; justify-content: center;
}
.sim-note {
  margin-top: 8px;
  font-size: 11px;
  color: var(--color-text-sub);
}

/* ---------- STEP1：建物タイプカード ---------- */
.type-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.type-card {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  text-align: left;
  transition: border-color .25s ease, background .25s ease, box-shadow .25s ease;
}
.type-card:hover { border-color: var(--color-primary); }
.type-card[aria-checked="true"] {
  border-color: var(--color-primary);
  background: var(--color-beige);
  box-shadow: 0 4px 16px rgba(140, 122, 99, .12);
}
.type-card__fig { flex-shrink: 0; width: 84px; }
.type-card__fig svg { display: block; width: 100%; height: auto; }
.type-card__name {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .04em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.type-card__check {
  width: 18px; height: 18px; flex-shrink: 0;
  border-radius: 50%;
  border: 1.5px solid var(--color-border);
  position: relative;
}
.type-card[aria-checked="true"] .type-card__check {
  border-color: var(--color-primary);
  background: var(--color-primary);
}
.type-card[aria-checked="true"] .type-card__check::after {
  content: "";
  position: absolute;
  left: 5px; top: 2px;
  width: 5px; height: 9px;
  border-right: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(40deg);
}
.type-card__desc {
  margin-top: 4px;
  font-size: 12px;
  color: var(--color-text-sub);
  line-height: 1.7;
}

/* 詳細タイプ */
.type-detail {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding-top: 12px;
}
.type-mini {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: 10px;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: left;
  font-size: 13px;
  transition: border-color .25s ease, background .25s ease;
}
.type-mini:hover { border-color: var(--color-primary); }
.type-mini[aria-checked="true"] {
  border-color: var(--color-primary);
  background: var(--color-beige);
}
.type-mini__bar {
  flex-shrink: 0;
  width: 52px; height: 30px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 2px;
}
.type-mini__f2 { height: 12px; background: var(--color-primary); border-radius: 2px; opacity: .85; }
.type-mini__f1 { height: 12px; background: var(--color-border); border-radius: 2px; }
.type-mini__ratio {
  margin-left: auto;
  font-size: 11px;
  color: var(--color-text-sub);
  white-space: nowrap;
}

/* ---------- アコーディオン共通 ---------- */
.accordion { margin-top: 14px; }
.accordion__btn {
  width: 100%;
  background: none;
  border: none;
  border-bottom: 1px solid var(--color-border);
  padding: 10px 4px;
  font-size: 13px;
  letter-spacing: .04em;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--color-text);
}
.accordion__mark { position: relative; width: 12px; height: 12px; flex-shrink: 0; }
.accordion__mark::before,
.accordion__mark::after {
  content: ""; position: absolute; left: 50%; top: 50%;
  background: var(--color-primary);
}
.accordion__mark::before { width: 12px; height: 1.5px; transform: translate(-50%, -50%); }
.accordion__mark::after  { width: 1.5px; height: 12px; transform: translate(-50%, -50%); transition: transform .3s ease; }
.accordion__btn[aria-expanded="true"] .accordion__mark::after { transform: translate(-50%, -50%) scaleY(0); }
.accordion__body { padding-top: 4px; }

/* ---------- STEP2：広さ ---------- */
.area-presets {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.area-preset {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: 999px;
  padding: 9px 0;
  font-size: 14px;
  transition: border-color .25s ease, background .25s ease, color .25s ease;
}
.area-preset:hover { border-color: var(--color-primary); }
.area-preset[aria-pressed="true"] {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}
.area-range {
  width: 100%;
  margin-top: 16px;
  accent-color: var(--color-primary);
  cursor: pointer;
}
.area-input {
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}
.area-input input {
  width: 110px;
  border: 1.5px solid var(--color-border);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 15px;
  background: var(--color-surface);
  text-align: center;
}
.area-input__unit { font-size: 14px; }

/* ---------- STEP3：グレード ---------- */
.grade-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.grade-card {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  padding: 14px;
  text-align: center;
  font-size: 14px;
  letter-spacing: .04em;
  transition: border-color .25s ease, background .25s ease;
}
.grade-card:hover:not(:disabled) { border-color: var(--color-primary); }
.grade-card[aria-checked="true"] {
  border-color: var(--color-primary);
  background: var(--color-beige);
}
.grade-card:disabled {
  cursor: not-allowed;
  color: var(--color-text-sub);
  background: var(--color-background);
}
.grade-card { text-align: left; padding: 16px 18px; }
.grade-card__name { font-size: 14px; letter-spacing: .04em; }
.grade-card__tag {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  line-height: 1.7;
  color: var(--color-text-sub);
}

/* ---------- 土地関連費用 ---------- */
.land-grid { display: grid; grid-template-columns: 1fr; gap: 14px; padding-top: 10px; }
.land-field label { font-size: 12px; display: block; margin-bottom: 4px; }
.land-field__input {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}
.land-field__input input {
  flex: 1;
  border: 1.5px solid var(--color-border);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 14px;
  background: var(--color-surface);
  text-align: right;
}
.land-auto {
  margin-top: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--color-text-sub);
}
.land-auto strong { font-size: 14px; color: var(--color-text); font-weight: 500; }
.land-auto--total {
  border-top: 1px solid var(--color-border);
  padding-top: 10px;
  color: var(--color-text);
}

/* ---------- 結果カード ---------- */
.result-card {
  background: var(--color-beige);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 24px;
}
.result-out {
  background: var(--color-surface);
  border-radius: 10px;
  padding: 20px;
  font-size: 13px;
  text-align: center;
  margin-bottom: 16px;
}
.result-main__label {
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--color-text-sub);
  text-align: center;
}
.result-main__price {
  text-align: center;
  margin-top: 4px;
  font-size: 34px;
  letter-spacing: .02em;
  color: var(--color-deep);
}
.result-main__unit { font-size: 14px; margin-left: 4px; }

.result-detail { margin-top: 20px; font-size: 13px; }
.result-detail > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 8px 2px;
  border-bottom: 1px dashed var(--color-border);
}
.result-detail dt { color: var(--color-text-sub); font-weight: normal; white-space: nowrap; }
.result-detail dd { text-align: right; }
.result-detail__total { border-bottom: none !important; padding-top: 14px !important; }
.result-detail__total dt { color: var(--color-text); font-size: 14px; }
.result-detail__total dd { color: var(--color-deep); font-size: 22px; font-weight: 500; }
.result-detail__toggle {
  margin-left: 6px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 10px;
  padding: 1px 10px;
  color: var(--color-text-sub);
}
.result-detail__toggle[aria-expanded="true"] { background: var(--color-beige); }

.fees-body { margin-top: 12px; }
.fees-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.fees-table td { padding: 6px 2px; border-bottom: 1px dashed var(--color-border); }
.fees-table td:last-child { text-align: right; white-space: nowrap; }
.fees-table .kubun {
  display: inline-block;
  font-size: 10px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0 8px;
  margin-left: 6px;
  color: var(--color-text-sub);
}

.result-cta {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.btn {
  border-radius: 999px;
  padding: 14px 20px;
  font-size: 14px;
  letter-spacing: .06em;
  border: 1.5px solid var(--color-accent);
  transition: opacity .3s ease, transform .3s ease;
}
.btn:hover { opacity: .85; transform: translateY(-1px); }
.btn--primary { background: var(--color-accent); color: #fff; }
.btn--ghost { background: var(--color-surface); color: var(--color-accent); }
.result-copied {
  margin-top: 10px;
  font-size: 12px;
  text-align: center;
  color: var(--color-ok);
}

/* ---------- 含まれるもの / 別途費用 ---------- */
.sim-included, .sim-excluded {
  margin-top: 32px;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  padding: 26px 28px;
}
.sim-included__title, .sim-excluded__title {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: .08em;
}
.sim-included__lead { margin-top: 6px; font-size: 12px; color: var(--color-text-sub); }
.sim-included__list {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 16px;
}
.sim-included__list li {
  position: relative;
  padding-left: 24px;
  font-size: 13px;
}
.sim-included__list li::before {
  content: "";
  position: absolute;
  left: 2px; top: 8px;
  width: 5px; height: 9px;
  border-right: 2px solid var(--color-ok);
  border-bottom: 2px solid var(--color-ok);
  transform: rotate(40deg);
}
.sim-excluded__list {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 16px;
}
.sim-excluded__list li {
  position: relative;
  padding-left: 20px;
  font-size: 13px;
  color: var(--color-text-sub);
}
.sim-excluded__list li::before {
  content: "";
  position: absolute;
  left: 2px; top: 13px;
  width: 8px; height: 1.5px;
  background: var(--color-text-sub);
}

/* ---------- 注意書き ---------- */
.sim-notes {
  margin-top: 32px;
  background: var(--color-beige);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px 22px;
}
.sim-notes li {
  position: relative;
  padding-left: 16px;
  font-size: 11.5px;
  color: var(--color-text-sub);
  line-height: 1.9;
}
.sim-notes li::before {
  content: "※";
  position: absolute;
  left: 0;
}

/* ---------- PC / タブレット ---------- */
@media (min-width: 860px) {
  .sim { padding: 56px 40px 80px; }
  .sim__title { font-size: 30px; }
  .sim__layout {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 40px;
    align-items: start;
  }
  .sim__result { position: sticky; top: 24px; }
  .type-cards { grid-template-columns: repeat(3, 1fr); }
  .type-card { flex-direction: column; text-align: center; align-items: center; padding: 20px 16px; }
  .type-card__fig { width: 96px; }
  .type-card__name { justify-content: center; }
  .type-detail { grid-template-columns: 1fr 1fr; }
  .sim-included__list { grid-template-columns: repeat(3, 1fr); }
  .sim-excluded__list { grid-template-columns: repeat(3, 1fr); }
  .land-grid { grid-template-columns: 1fr 1fr; }
  .result-cta { flex-direction: column; }
}

/* ---------- アニメーション抑制 ---------- */
@media (prefers-reduced-motion: reduce) {
  * { transition-duration: .01ms !important; }
}

/* 見出し・金額は明朝でメリハリを */
.sim__title, .sim-step__title, .sim-step__num,
.result-main__price, .result-main__label, .result-detail__total dd {
  font-family: var(--font-serif);
}

.result-main__price, .result-detail__total dd { font-family: var(--font-en); font-weight: 600; }

/* 詳しく選ぶ:外観イラスト */
.type-mini__img {
  width: 86px;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  flex-shrink: 0;
  display: block;
  border-radius: 6px;
}

/* 建物の形カード:外観イラスト */
.type-card__fig img { width: 100%; display: block; border-radius: 6px; }

/* 建物の形カード:画像の高さ・テキスト開始位置を統一 */
.type-card { display: flex; flex-direction: column; align-items: center; }
.type-card__fig {
  width: min(180px, 72%);
  height: 122px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  margin: 0 auto 6px;
}
.type-card__fig img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: bottom;  /* 家の接地ラインを揃える */
}
.type-card__name { white-space: nowrap; }
.type-card__desc { text-align: center; }

/* ============================================================
 * Watercolor art direction
 * ============================================================ */
body {
  background:
    radial-gradient(circle at 8% 4%, rgba(168, 197, 216, .22), transparent 24rem),
    linear-gradient(180deg, #f7fbfd 0%, #fff 34%, #f4f8fa 100%);
}

.sim {
  max-width: 1180px;
}

.sim__header {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 39%);
  gap: clamp(26px, 4vw, 58px);
  align-items: center;
  min-height: 292px;
  padding: clamp(34px, 5vw, 58px);
  overflow: hidden;
  border: 1px solid rgba(75, 109, 142, .18);
  border-radius: 30px 0 30px 0;
  background: linear-gradient(135deg, rgba(255,255,255,.98), rgba(234,243,248,.96));
  box-shadow: 0 24px 70px rgba(46, 76, 96, .1);
  text-align: left;
}

.sim__header::after {
  position: absolute;
  right: -34px;
  bottom: -145px;
  width: 150px;
  height: 350px;
  background: none;
  content: "";
  opacity: .25;
  transform: rotate(-18deg);
  pointer-events: none;
}

.sim__header-copy,
.sim__header-art {
  position: relative;
  z-index: 1;
}

.sim__eyebrow {
  margin-bottom: 13px;
  color: #6f91a8;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .24em;
}

.sim__title {
  color: #29485c;
  font-size: clamp(27px, 3vw, 38px);
  line-height: 1.45;
}

.sim__lead {
  max-width: 46em;
  margin-top: 18px;
  color: #526875;
  line-height: 2;
}

.sim__header-art {
  display: grid;
  place-items: center;
  min-height: 205px;
  padding: 12px 16px;
  border: 1px solid rgba(86, 121, 143, .13);
  border-radius: 50% 50% 12px 12px / 18% 18% 12px 12px;
  background: rgba(255,255,255,.88);
}

.sim__header-art img {
  display: block;
  width: 100%;
  max-height: 205px;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.sim__layout {
  margin-top: 48px;
}

.sim-step {
  position: relative;
  margin-bottom: 22px;
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid rgba(75, 109, 142, .14);
  border-radius: 22px 0 22px 0;
  background: rgba(255,255,255,.96);
  box-shadow: 0 13px 34px rgba(47, 78, 98, .065);
}

.sim-step__title {
  color: #29485c;
}

.type-card {
  overflow: hidden;
  border-radius: 18px 0 18px 0;
  background: #fff;
  box-shadow: 0 8px 22px rgba(48, 78, 97, .055);
}

.type-card[aria-checked="true"] {
  background: linear-gradient(180deg, #fff, #edf5fa);
  box-shadow: 0 14px 30px rgba(65, 104, 128, .14);
}

.type-card__fig {
  width: min(190px, 94%);
  height: 138px;
  padding: 5px;
  background: #fff;
}

.type-card__fig img {
  mix-blend-mode: multiply;
}

.result-card {
  overflow: hidden;
  padding: 0 24px 28px;
  border-radius: 28px 0 28px 0;
  background: linear-gradient(180deg, #fff 0%, #edf4f8 100%);
  box-shadow: 0 22px 58px rgba(39, 70, 90, .14);
}

.result-card__visual {
  position: relative;
  height: 176px;
  margin: 0 -24px 26px;
  overflow: hidden;
  border-bottom: 1px solid rgba(75, 109, 142, .16);
  background: #fff;
}

.result-card__visual span {
  position: absolute;
  top: 16px;
  left: 20px;
  z-index: 1;
  color: #6f91a8;
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .2em;
}

.result-card__visual img {
  display: block;
  width: 100%;
  height: 100%;
  padding: 18px 30px 5px;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.result-main__price {
  color: #245570;
}

.btn--primary {
  border-color: #2f6c8f;
  background: linear-gradient(110deg, #356f92, #5e94b5);
  box-shadow: 0 12px 28px rgba(49, 102, 135, .2);
}

@media (min-width: 860px) {
  .sim__layout {
    grid-template-columns: minmax(0, 1fr) 410px;
    gap: 46px;
  }
}

@media (max-width: 620px) {
  .sim {
    padding: 22px 14px 58px;
  }

  .sim__header {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 30px 22px 24px;
    border-radius: 24px 0 24px 0;
  }

  .sim__header-art {
    min-height: 148px;
    padding: 4px 12px;
  }

  .sim__header-art img {
    max-height: 152px;
  }

  .sim__title {
    font-size: clamp(19px, 6.1vw, 24px);
    letter-spacing: .045em;
    white-space: nowrap;
  }

  .sim__lead br {
    display: none;
  }

  .sim-step {
    padding: 22px 18px;
  }

  .type-card__fig {
    height: 126px;
  }
}

/* ============================================================
 * Final simulator header — restrained split editorial treatment
 * ============================================================ */
.sim__header {
  grid-template-columns: minmax(0, 1.08fr) minmax(330px, .92fr);
  gap: 0;
  min-height: 330px;
  padding: 0;
  border: 0;
  border-radius: 2px;
  background: #214f69;
  box-shadow: 0 26px 70px rgba(29, 62, 82, .16);
}

.sim__header::after {
  display: none;
  content: none;
}

.sim__header-copy {
  align-self: center;
  padding: 54px clamp(38px, 5vw, 68px);
}

.sim__header-copy::after {
  display: block;
  width: 78px;
  margin-top: 28px;
  border-top: 1px solid rgba(255,255,255,.48);
  content: "";
}

.sim__eyebrow {
  color: #b8d4e3;
}

.sim__title {
  color: #fff;
  font-size: clamp(28px, 2.45vw, 35px);
  letter-spacing: .075em;
  white-space: nowrap;
}

.sim__lead {
  color: rgba(255,255,255,.82);
}

.sim__pricing-date {
  color: rgba(255,255,255,.58);
}

.sim__header-art {
  align-self: stretch;
  min-height: 330px;
  padding: 42px 34px 24px;
  border: 0;
  border-radius: 0;
  background: #fbfaf5;
}

.sim__header-art img {
  width: 100%;
  height: 100%;
  max-height: none;
  object-fit: contain;
}

/* Use the same readable Mincho numerals as the specification rows. */
.result-main__price,
.result-detail__total dd,
.result-main__unit {
  font-family: var(--font-serif) !important;
  font-weight: 500 !important;
  font-variant-numeric: tabular-nums;
  letter-spacing: .015em;
}

#notes-list li {
  text-wrap: pretty;
}

@media (min-width: 621px) and (max-width: 900px) {
  .sim__header {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .sim__header-copy {
    padding: 46px clamp(34px, 7vw, 58px) 40px;
  }

  .sim__header-art {
    min-height: 250px;
    padding: 24px 32px 14px;
  }

  /* Keep short explanatory copy from leaving one or two characters on a final line. */
  .grade-card__tag {
    font-size: 10px;
    letter-spacing: 0;
  }

  #notes-list li {
    font-size: 11px;
    letter-spacing: 0;
    text-wrap: wrap;
  }
}

@media (max-width: 620px) {
  .sim__header {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .sim__header-copy {
    padding: 34px 23px 30px;
  }

  .sim__header-copy::after {
    margin-top: 22px;
  }

  .sim__title {
    color: #fff;
    font-size: clamp(19px, 6.1vw, 24px);
    letter-spacing: .045em;
    white-space: normal;
  }

  .sim__lead {
    color: rgba(255,255,255,.84);
  }

  .sim__pricing-date {
    color: rgba(255,255,255,.6);
  }

  .sim__header-art {
    min-height: 184px;
    padding: 16px 18px 8px;
  }

}