/* ============================================================================
   home.css — トップページ専用
   モックのデザインシステムに合わせる。ここ以外のページ（/furusato/ /about/
   /privacy/）は styles.css のままなので、このファイルは干渉しない。

   カラー   プライマリ #2563EB ／ グリーン #059669 ／ テキスト #111827
            サブテキスト #6B7280 ／ ボーダー #E5E7EB ／ 背景 #F9FAFB
   角丸     カード 12px ／ 入力 8px ／ ボタン 999px
   余白     8の倍数（8 / 16 / 24 / 32 / 64）
   ========================================================================== */

body.home {
  --c-primary: #2563EB;
  --c-green: #059669;
  --c-green-soft: #ECFDF5;
  --c-text: #111827;
  --c-sub: #6B7280;
  --c-line: #E5E7EB;
  --c-bg: #F9FAFB;
  --c-paper: #FFFFFF;
  --c-net-bg: #F7FAFF;

  --r-card: 12px;
  --r-input: 8px;
  --r-pill: 999px;

  --sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", system-ui, sans-serif;
  --num: "Inter", "Noto Sans JP", system-ui, sans-serif;

  margin: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

body.home .num { font-family: var(--num); font-feature-settings: "tnum" 1; }

.shell { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 24px; }
@media (max-width: 560px) { .shell { padding: 0 16px; } }

/* --- ヘッダー ----------------------------------------------------------- */

.site-header { border-bottom: 1px solid var(--c-line); background: var(--c-bg); }
.site-header-in {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; min-height: 64px;
}
.brand { display: flex; align-items: baseline; gap: 16px; text-decoration: none; color: inherit; }
.brand-name { font-size: 18px; font-weight: 700; letter-spacing: .01em; }
.brand-tag { font-size: 12.5px; color: var(--c-sub); }
@media (max-width: 720px) { .brand-tag { display: none; } }

.site-nav { display: flex; gap: 24px; }
.site-nav a { font-size: 13.5px; color: var(--c-sub); text-decoration: none; }
.site-nav a:hover { color: var(--c-text); }
@media (max-width: 560px) { .site-nav { gap: 16px; } .site-nav a { font-size: 12.5px; } }

/* --- ヒーロー ----------------------------------------------------------- */

.hero { text-align: center; padding: 64px 0 32px; }
@media (max-width: 560px) { .hero { padding: 32px 0 24px; } }

.hero h1 {
  margin: 0 0 16px;
  font-size: 40px; font-weight: 700; line-height: 1.35; letter-spacing: .01em;
}
@media (max-width: 720px) { .hero h1 { font-size: 28px; } }

.hero-sub { margin: 0 0 8px; font-size: 15px; color: #374151; }
.hero-badge { margin: 0; font-size: 13px; color: var(--c-sub); }
.hero-badge .info { margin-left: 6px; color: var(--c-sub); text-decoration: none; }
.hero-badge .info:hover { color: var(--c-primary); }

/* --- 入力バー ----------------------------------------------------------- */

.calcbar {
  display: grid;
  grid-template-columns: 1.1fr 1.2fr 1fr 1fr 1fr auto;
  gap: 16px;
  align-items: end;
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--r-card);
  padding: 24px;
  margin-bottom: 32px;
}
@media (max-width: 900px) { .calcbar { grid-template-columns: repeat(2, minmax(0,1fr)); } .calcbar .cb-go { grid-column: 1 / -1; } }
@media (max-width: 460px) { .calcbar { grid-template-columns: 1fr; padding: 16px; } }

.cb-field { min-width: 0; }
.cb-field label { display: block; margin-bottom: 8px; font-size: 12.5px; color: var(--c-sub); }

.cb-input { position: relative; }
.cb-input input {
  width: 100%; box-sizing: border-box;
  height: 44px; padding: 0 48px 0 12px;
  border: 1px solid var(--c-line); border-radius: var(--r-input);
  background: var(--c-paper); color: var(--c-text);
  font-family: var(--num); font-size: 17px; font-weight: 600;
  -moz-appearance: textfield;
}
.cb-input input::-webkit-outer-spin-button,
.cb-input input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.cb-suffix {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  font-size: 12.5px; color: var(--c-sub); pointer-events: none;
}

.cb-select { position: relative; }
.cb-select::after {
  content: ""; position: absolute; right: 12px; top: 50%;
  width: 7px; height: 7px; margin-top: -5px;
  border-right: 1.6px solid var(--c-sub); border-bottom: 1.6px solid var(--c-sub);
  transform: rotate(45deg); pointer-events: none;
}
.cb-select select {
  width: 100%; box-sizing: border-box;
  height: 44px; padding: 0 32px 0 12px;
  border: 1px solid var(--c-line); border-radius: var(--r-input);
  background: var(--c-paper); color: var(--c-text);
  font-family: var(--sans); font-size: 14px;
  appearance: none; -webkit-appearance: none;
}
.cb-input input:focus-visible,
.cb-select select:focus-visible {
  outline: 2px solid var(--c-primary); outline-offset: 1px; border-color: transparent;
}

.cb-go {
  height: 48px; padding: 0 32px;
  display: inline-flex; align-items: center; gap: 8px; justify-content: center;
  border: 0; border-radius: var(--r-pill);
  background: var(--c-primary); color: #fff;
  font-family: var(--sans); font-size: 15px; font-weight: 700;
  cursor: pointer; white-space: nowrap;
  min-width: 200px;
  transition: background .15s ease, transform .15s ease;
}
.cb-go:hover { background: #1D4ED8; }
.cb-go:active { transform: translateY(1px); }
.cb-go:focus-visible { outline: 2px solid var(--c-primary); outline-offset: 2px; }

/* --- パネル ------------------------------------------------------------- */

.panels { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }
@media (max-width: 860px) { .panels { grid-template-columns: 1fr; } }

.panel {
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--r-card);
  padding: 24px;
}
.panel-net { background: var(--c-net-bg); }

.panel-head { display: flex; align-items: center; gap: 16px; }
.panel-headtext { min-width: 0; }

.ico {
  flex: none; width: 48px; height: 48px; border-radius: 999px;
  display: inline-flex; align-items: center; justify-content: center;
}
.ico svg { width: 22px; height: 22px; }
.ico-wallet { background: #E8EFFD; color: var(--c-primary); }
.ico-gift { background: var(--c-green-soft); color: var(--c-green); }
.ico-tip { background: #F3F4F6; color: var(--c-sub); }

.panel-cap { margin: 0; font-size: 14px; font-weight: 700; }
.panel-big { margin: 0; line-height: 1.15; white-space: nowrap; }
.panel-big .num { font-size: 38px; font-weight: 700; color: var(--c-primary); letter-spacing: -.01em; }
.panel-big.is-green .num { color: var(--c-green); }
.panel-big .unit { margin-left: 6px; font-size: 15px; font-weight: 500; color: var(--c-sub); }
@media (max-width: 460px) { .panel-big .num { font-size: 30px; } }

.twoup { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 16px; }
.twoup > div { display: flex; flex-direction: column; gap: 0; }
.twoup > div + div { border-left: 1px solid var(--c-line); padding-left: 16px; }
.twoup-cap { font-size: 12px; color: var(--c-sub); }
.twoup b { font-size: 16px; font-weight: 600; }

.summary { margin: 24px 0 0; padding: 24px 0 0; border-top: 1px solid var(--c-line); }
.summary > div { display: flex; justify-content: space-between; gap: 16px; padding: 8px 0; }
.summary dt { margin: 0; font-size: 13.5px; color: #374151; }
.summary dd { margin: 0; font-size: 14px; font-weight: 500; }
.summary-total { margin-top: 8px; padding-top: 16px !important; border-top: 1px solid var(--c-line); }
.summary-total dt { font-weight: 700; color: var(--c-text); }
.summary-total dd { font-size: 16px; font-weight: 700; }

.panel-lead { margin: 16px 0 0; font-size: 13.5px; color: #374151; }

.callout {
  display: flex; gap: 8px; align-items: flex-start;
  margin: 16px 0 0; padding: 16px;
  background: var(--c-green-soft); border-radius: var(--r-input);
  font-size: 13px; line-height: 1.7; color: #065F46;
}
.callout-ico { flex: none; color: var(--c-green); }
.callout-ico svg { width: 16px; height: 16px; display: block; margin-top: 2px; }

.shop-label {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  margin: 16px 0 8px; font-size: 12.5px; color: var(--c-sub);
}
.ad-badge {
  display: inline-block; padding: 1px 6px;
  border: 1px solid var(--c-line); border-radius: 4px;
  font-size: 11px; color: var(--c-sub); letter-spacing: .04em;
}

body.home .portals {
  list-style: none; margin: 18px 0 0; padding: 0;
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
}
@media (max-width: 560px) { body.home .portals { grid-template-columns: 1fr; } }
body.home a.portal {
  display: flex; align-items: center; gap: 10px;
  min-height: 72px; padding: 14px 16px;
  border: 1px solid var(--c-line); border-radius: var(--r-input);
  background: var(--c-paper); color: var(--c-text);
  text-decoration: none;
  box-shadow: none;
  transition: border-color .15s ease, background .15s ease, box-shadow .15s ease;
}
body.home a.portal:hover {
  border-color: var(--c-green); background: #FAFDFB; transform: none;
  box-shadow: 0 1px 3px rgba(16, 24, 40, .07);
}
body.home a.portal:focus-visible { outline: 2px solid var(--c-green); outline-offset: 2px; }
body.home .portal-text { display: flex; flex-direction: column; gap: 3px; min-width: 0; flex: 1 1 auto; }
body.home .portal-name { font-size: 16px; font-weight: 700; letter-spacing: .01em; }
body.home .portal-sub { font-size: 11.5px; color: var(--c-sub); }
body.home .portal-ad { flex: 0 0 auto; align-self: flex-start; }
body.home .portal-arrow { color: #9CA3AF; font-size: 13px; flex: 0 0 auto; }

.panel-note { margin: 16px 0 0; font-size: 11.5px; line-height: 1.7; color: #9CA3AF; }
.panel-note:empty { display: none; }

/* --- 詳細な内訳（手取りカードの中） -------------------------------------- */

.drawer { margin-top: 24px; border-top: 1px solid var(--c-line); padding-top: 16px; }
.drawer > summary {
  list-style: none; cursor: pointer;
  display: flex; align-items: center; gap: 8px;
  font-size: 13.5px; color: #374151;
}
.drawer > summary::-webkit-details-marker { display: none; }
.drawer > summary::after {
  content: ""; width: 7px; height: 7px;
  border-right: 1.6px solid var(--c-sub); border-bottom: 1.6px solid var(--c-sub);
  transform: rotate(45deg); margin-top: -4px; transition: transform .2s ease;
}
.drawer[open] > summary::after { transform: rotate(-135deg); margin-top: 2px; }
.drawer-body { padding-top: 16px; }
.drawer-notes h3 { margin: 24px 0 8px; font-size: 13px; font-weight: 700; }
.drawer-notes .applied,
.drawer-notes .updated { font-size: 12px; color: var(--c-sub); line-height: 1.8; }

/* --- ワンポイント ------------------------------------------------------- */

.panel-tip { display: flex; gap: 16px; align-items: flex-start; margin-top: 24px; }
.tip-cap { margin: 0 0 4px; font-size: 13.5px; font-weight: 700; }
.tip-body { margin: 0; font-size: 13.5px; color: #374151; }
.tip-body a { color: var(--c-primary); }

body.home .disclaimer {
  margin: 16px 0 0; font-size: 12px; color: #9CA3AF; text-align: center; line-height: 1.8;
}

/* --- こんな方におすすめ -------------------------------------------------- */

.recommend { margin: 64px 0; padding-top: 32px; border-top: 1px solid var(--c-line); }
.recommend h2 { margin: 0 0 24px; font-size: 18px; font-weight: 700; }
.recommend ul {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 24px;
}
@media (max-width: 720px) { .recommend ul { grid-template-columns: 1fr; gap: 16px; } }
.recommend li { display: flex; align-items: center; gap: 16px; font-size: 13.5px; line-height: 1.6; }
.rec-ico {
  flex: none; width: 44px; height: 44px; border-radius: 999px;
  background: #E8EFFD; color: var(--c-primary);
  display: inline-flex; align-items: center; justify-content: center;
}
.rec-ico svg { width: 20px; height: 20px; }

/* --- フッター ----------------------------------------------------------- */

.site-footer { border-top: 1px solid var(--c-line); padding: 32px 0 64px; }
.site-footer-in { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.foot-nav { display: flex; flex-wrap: wrap; gap: 8px 24px; align-items: center; }
.foot-nav a { font-size: 12.5px; color: var(--c-sub); text-decoration: none; }
.foot-nav a:hover { color: var(--c-text); }
.foot-right { text-align: right; }
@media (max-width: 720px) { .foot-right { text-align: left; } }
.foot-tag { margin: 0 0 4px; font-size: 12.5px; color: var(--c-sub); }
.foot-meta { margin: 0; font-size: 11.5px; color: #9CA3AF; }

/* --- 既存スタイルの上書き（詳細内訳の中で styles.css を使い回すため） ----- */

body.home .viz { margin: 0 0 24px; }
body.home table.detail { font-size: 13px; }
body.home .srclist { font-size: 12px; }
body.home .results[hidden] { display: none !important; }

/* ============================================================================
   追加レイアウト
   ========================================================================== */

/* 1カラムのとき（トップの手取りカード） */
.panels.is-single { grid-template-columns: minmax(0, 1fr); max-width: 640px; margin: 0 auto; }

/* トップ → ふるさと納税ページへの導線 */
.panel-next { display: flex; align-items: center; gap: 16px; margin-top: 24px; flex-wrap: wrap; }
.next-text { flex: 1 1 320px; min-width: 0; }
.next-cap { margin: 0 0 4px; font-size: 13.5px; font-weight: 700; }
.next-body { margin: 0; font-size: 13.5px; color: #374151; }
.next-body .is-green { color: var(--c-green); font-size: 17px; font-weight: 700; }
.next-cta {
  flex: none; display: inline-flex; align-items: center; gap: 8px;
  height: 44px; padding: 0 24px;
  border: 1px solid var(--c-green); border-radius: var(--r-pill);
  color: var(--c-green); font-size: 14px; font-weight: 700; text-decoration: none;
  transition: background .15s ease, color .15s ease;
}
.next-cta:hover { background: var(--c-green); color: #fff; }
.next-cta:focus-visible { outline: 2px solid var(--c-green); outline-offset: 2px; }

/* パンくず */
.crumbs2 { display: flex; gap: 8px; align-items: center; padding-top: 24px; font-size: 12.5px; color: var(--c-sub); }
.crumbs2 a { color: var(--c-sub); text-decoration: none; }
.crumbs2 a:hover { color: var(--c-text); }

/* ふるさと納税ページのカード */
.panel-fsmain { background: var(--c-net-bg); }
.panel-shop .shop-head h2 {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  margin: 0 0 4px; font-size: 15px; font-weight: 700;
}
.panel-shop .shop-head p { margin: 0 0 16px; font-size: 13px; color: var(--c-sub); }

/* 全幅のブロック（スライダー・ワンストップ・早見表） */
.block { margin-top: 24px; }
.block-head h2 { margin: 0 0 4px; font-size: 16px; font-weight: 700; }
.block-head p { margin: 0 0 24px; font-size: 13.5px; color: #374151; }
.block-fields { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
@media (max-width: 560px) { .block-fields { grid-template-columns: 1fr; } }
.drawer-block { margin-top: 24px; padding: 24px; background: var(--c-paper); border: 1px solid var(--c-line); border-radius: var(--r-card); }
body.home .backlink { margin: 32px 0 64px; }
body.home .warn { font-size: 13px; }
body.home .judge { font-size: 13.5px; }

/* スライダーまわりを新しい配色に寄せる */
body.home .slider-value { font-size: 15px; color: var(--c-sub); }
body.home .slider-value .num { font-size: 30px; font-weight: 700; color: var(--c-green); }
body.home .slider-value .unit { margin-left: 6px; }
body.home .slider-ends { font-size: 11.5px; color: #9CA3AF; }

/* ============================================================================
   文書ページ（/about/ /privacy/ /howto/ /assumptions/ /faq/）
   ========================================================================== */

.doc { max-width: 760px; margin: 0 auto; }
.doc-head { padding: 32px 0 24px; }
.doc-head h1 { margin: 0 0 8px; font-size: 28px; font-weight: 700; line-height: 1.4; }
@media (max-width: 560px) { .doc-head h1 { font-size: 22px; } }
.doc-head .sub { margin: 0; font-size: 14px; color: var(--c-sub); }

.doc-body {
  background: var(--c-paper); border: 1px solid var(--c-line);
  border-radius: var(--r-card); padding: 32px;
}
@media (max-width: 560px) { .doc-body { padding: 24px 16px; } }

.doc-body h2 {
  margin: 32px 0 8px; padding-top: 24px;
  border-top: 1px solid var(--c-line);
  font-size: 16px; font-weight: 700;
}
.doc-body h2:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.doc-body p { margin: 0 0 12px; font-size: 14.5px; line-height: 1.9; }
.doc-body ul { margin: 0 0 16px; padding-left: 1.25em; font-size: 14.5px; line-height: 1.9; }
.doc-body li { margin-bottom: 8px; }
.doc-body a { color: var(--c-primary); }
.doc-body strong { font-weight: 700; }
.doc-body .tiny { font-size: 12.5px; color: var(--c-sub); line-height: 1.8; }
.doc-body .updated { margin-top: 24px; font-size: 12.5px; color: var(--c-sub); }
.doc-body .contact { font-size: 16px; font-weight: 600; margin: 16px 0; }
.doc-body .formula {
  margin: 8px 0 16px; padding: 16px;
  background: var(--c-bg); border-radius: var(--r-input);
  font-size: 14px; line-height: 1.8;
}

table.infotable { width: 100%; border-collapse: collapse; margin: 0 0 16px; font-size: 14.5px; }
table.infotable th, table.infotable td {
  padding: 12px 4px; text-align: left; vertical-align: top;
  border-bottom: 1px solid var(--c-line);
}
table.infotable th { width: 8em; font-weight: 500; color: var(--c-sub); white-space: nowrap; }
@media (max-width: 460px) {
  table.infotable th { width: 6em; font-size: 13px; }
  table.infotable td { font-size: 13px; }
}

/* 文書ページは styles.css を読まないので、共通で使う小物をここに持つ */
body.home .center { text-align: center; margin: 0; }
body.home .quiet-link { font-size: 14px; color: var(--c-primary); text-decoration: none; text-underline-offset: 3px; }
body.home .quiet-link:hover { text-decoration: underline; }

/* ============================================================================
   タブ（手取り計算 / ふるさと納税）
   ========================================================================== */

.tabs {
  display: flex; gap: 8px;
  padding: 24px 0 0;
  justify-content: center;
  flex-wrap: wrap;
}
.tab {
  display: inline-flex; align-items: center; justify-content: center;
  height: 44px; padding: 0 24px;
  border: 1px solid var(--c-line); border-radius: var(--r-pill);
  background: var(--c-paper); color: var(--c-sub);
  font-size: 14px; font-weight: 500; text-decoration: none;
  transition: color .15s ease, border-color .15s ease, background .15s ease;
}
.tab:hover { color: var(--c-text); border-color: #D1D5DB; }
.tab.is-active {
  background: var(--c-text); border-color: var(--c-text); color: #fff; font-weight: 700;
}
.tab:focus-visible { outline: 2px solid var(--c-primary); outline-offset: 2px; }
@media (max-width: 460px) {
  .tabs { gap: 8px; }
  .tab { flex: 1 1 auto; padding: 0 16px; font-size: 13px; }
}

/* ============================================================================
   入力バーを2段にする（1段目＝年収、2段目＝条件とボタン）
   ========================================================================== */

.calcbar { display: block; }
.cb-row + .cb-row { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--c-line); }

/* 1段目：年収を大きく */
.cb-row-main .cb-income { max-width: 100%; }
.cb-row-main .cb-input input {
  height: 64px;
  font-size: 28px;
  padding: 0 72px 0 16px;
}
.cb-row-main .cb-suffix { right: 16px; font-size: 14px; }
.cb-row-main .cb-field label { font-size: 13px; }

/* 2段目：条件を4つ横に並べる */
.cb-row-sub {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  align-items: end;
}
@media (max-width: 900px) { .cb-row-sub { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 460px) {
  .cb-row-sub { grid-template-columns: 1fr; }
  .cb-row-main .cb-input input { height: 56px; font-size: 24px; }
}

/* 3段目：ボタンを中央に */
.cb-row-go { display: flex; justify-content: center; }

/* ============================================================================
   内訳を常時表示（トグルをやめた）
   ========================================================================== */

.breakdown { margin-top: 24px; border-top: 1px solid var(--c-line); padding-top: 24px; }
.breakdown-head { margin: 0 0 16px; font-size: 14px; font-weight: 700; }

/* ============================================================================
   ふるさと納税ページ：上限額を全幅にし、その下に「返礼品を探す」を置く
   ========================================================================== */

.panels.is-stack { grid-template-columns: minmax(0, 1fr); }

/* 全幅になった上限額カードは、横の余白を使って見出しと数値を左右に配置する */
.panels.is-stack .panel-fsmain {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px 32px;
  align-items: center;
}
.panels.is-stack .panel-fsmain .panel-head { grid-column: 1; }
.panels.is-stack .panel-fsmain .twoup {
  grid-column: 2; margin-top: 0;
  grid-template-columns: auto auto;
}
.panels.is-stack .panel-fsmain .callout,
.panels.is-stack .panel-fsmain .panel-note { grid-column: 1 / -1; }

@media (max-width: 720px) {
  .panels.is-stack .panel-fsmain { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .panels.is-stack .panel-fsmain .panel-head,
  .panels.is-stack .panel-fsmain .twoup { grid-column: 1; }
  .panels.is-stack .panel-fsmain .twoup { grid-template-columns: 1fr 1fr; }
}

/* 返礼品を探すカードは全幅。社名が折り返さないよう2列までにとどめる */
@media (min-width: 721px) {
  .panels.is-stack .panel-shop .portals { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}