/* ============================================================
   Weekul (ウィークル) - メインスタイル
   モバイルファースト / CSS変数ベース
   ============================================================ */

:root {
  /* 配色 */
  --color-primary: #2C5F4F;
  --color-primary-dark: #1F4438;
  --color-accent: #E6A52C;
  --color-base: #FAF7F2;
  --color-text: #1F2937;
  --color-sub: #6B7280;
  --color-border: rgba(31, 41, 55, 0.12);
  --color-white: #FFFFFF;

  /* バナー用変数（統一仕様） */
  --pn-bg: var(--color-primary-dark);
  --pn-fg: var(--color-base);
  --pn-fg-rgb: 250, 247, 242;
  --pn-accent: var(--color-accent);
  --pn-font: "Noto Sans JP", sans-serif;

  /* レイアウト */
  --header-h: 64px;
  --container-max: 960px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 999px;

  /* タイポ */
  --font-base: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
  --font-en: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ============================================================
   告知バナー（統一仕様）
   ============================================================ */
.portfolio-notice {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 300;
  background: var(--pn-bg);
  color: var(--pn-fg);
  padding: 0.55rem 1rem;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-align: center;
  line-height: 1.6;
  border-bottom: 1px solid var(--pn-accent);
  font-family: var(--pn-font);
}
.portfolio-notice strong {
  color: var(--pn-accent);
  letter-spacing: 0.2em;
  margin-right: 0.6rem;
  font-weight: 700;
}
.portfolio-notice .pn-close {
  background: transparent;
  border: 1px solid rgba(var(--pn-fg-rgb), 0.4);
  color: var(--pn-fg);
  font-size: 0.7rem;
  padding: 2px 8px;
  margin-left: 0.8rem;
  cursor: pointer;
  letter-spacing: 0.1em;
  transition: all 0.3s;
  font-family: inherit;
}
.portfolio-notice .pn-close:hover {
  background: var(--pn-accent);
  border-color: var(--pn-accent);
  color: var(--pn-bg);
}
body.notice-visible { padding-top: 44px; }
body.notice-visible .site-header { top: 44px; }
@media (max-width: 720px) {
  .portfolio-notice { font-size: 0.7rem; padding: 0.5rem 0.8rem; }
  body.notice-visible { padding-top: 64px; }
  body.notice-visible .site-header { top: 64px; }
}

/* ============================================================
   リセット & ベース
   ============================================================ */
* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-base);
  line-height: 1.7;
  letter-spacing: 0.02em;
  padding-top: var(--header-h);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

button { font-family: inherit; }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 768px) {
  .container { padding: 0 2rem; }
}

/* ============================================================
   ヘッダー
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 200;
  border-bottom: 1px solid var(--color-border);
  transition: top 0.3s;
  /* backdrop-filter は ::before に逃がす */
}
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(250, 247, 242, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: -1;
}
.header-inner {
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
@media (min-width: 768px) {
  .header-inner { padding: 0 2rem; }
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
}
.logo-mark {
  width: 32px; height: 32px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 1.1rem;
}
.logo-text {
  font-size: 1.05rem;
  letter-spacing: 0.04em;
}

/* PCナビ */
.pc-nav { display: none; }
.pc-nav ul {
  display: flex;
  gap: 1.8rem;
  list-style: none;
}
.pc-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  transition: color 0.2s;
}
.pc-nav a:hover { color: var(--color-primary); }

@media (min-width: 768px) {
  .pc-nav { display: flex; }
}

/* ============================================================
   ハンバーガー
   ============================================================ */
.hamburger {
  width: 44px; height: 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  position: relative;
  z-index: 220; /* drawer(215) より上 */
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.35s cubic-bezier(.4,0,.2,1), opacity 0.35s;
  transform-origin: center;
}
.hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 768px) {
  .hamburger { display: none; }
}

/* ============================================================
   ドロワー (パターンB: 右からスライドイン)
   ============================================================ */
.drawer-mask {
  position: fixed;
  inset: 0;
  background: rgba(31, 41, 55, 0.5);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s;
  z-index: 210;
}
.drawer-mask.is-open {
  opacity: 1;
  pointer-events: auto;
}

.drawer {
  position: fixed;
  top: 0; right: 0;
  width: 80vw;
  max-width: 320px;
  height: 100dvh;
  background: var(--color-base);
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(.4,0,.2,1);
  z-index: 215;
  padding: calc(var(--header-h) + 1rem) 1.5rem 2rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.drawer.is-open {
  transform: translateX(0);
  box-shadow: -8px 0 32px rgba(31, 41, 55, 0.18);
}

body.notice-visible .drawer { padding-top: calc(var(--header-h) + 44px + 1rem); }
@media (max-width: 720px) {
  body.notice-visible .drawer { padding-top: calc(var(--header-h) + 64px + 1rem); }
}

.drawer-list {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  margin-bottom: 2rem;
  list-style: none;
}
.drawer-list a {
  display: block;
  padding: 0.95rem 0.4rem;
  border-bottom: 1px solid var(--color-border);
  font-weight: 500;
  font-size: 1rem;
  color: var(--color-text);
  transition: color 0.2s;
}
.drawer-list a:hover { color: var(--color-primary); }

.drawer-cta {
  margin-top: 1rem;
  background: var(--color-primary);
  color: var(--color-white) !important;
  border-radius: var(--radius-md);
  text-align: center;
  padding: 0.95rem 1rem !important;
  border: none !important;
  font-weight: 700 !important;
}

.drawer-footer {
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  color: var(--color-sub);
}

/* ============================================================
   ボタン
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  height: 48px;
  padding: 0 1.6rem;
  border-radius: var(--radius-md);
  border: none;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(44, 95, 79, 0.25);
}
.btn-primary:disabled {
  background: var(--color-sub);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}
.btn-lg { height: 56px; padding: 0 2rem; font-size: 1.05rem; }
.btn-block { width: 100%; }

/* ============================================================
   ヒーロー
   ============================================================ */
.hero {
  padding: 3.5rem 0 4rem;
  background: linear-gradient(180deg, var(--color-base) 0%, #F0EDE5 100%);
}
.hero-eyebrow {
  font-family: var(--font-en);
  font-size: 0.78rem;
  letter-spacing: 0.25em;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 1rem;
}
.hero-title {
  font-size: clamp(2.2rem, 7vw, 3.5rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1.25rem;
  letter-spacing: 0.01em;
}
.hero-lead {
  font-size: 1rem;
  color: var(--color-sub);
  margin-bottom: 2rem;
  line-height: 1.9;
}
.hero-lead strong { color: var(--color-text); font-weight: 700; }
.hero-bullets {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--color-sub);
}

@media (min-width: 768px) {
  .hero { padding: 5rem 0 6rem; }
  .hero-lead { font-size: 1.05rem; }
}

/* ヒーロー：2カラムレイアウト（PC のみ） */
.hero-container {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}
@media (min-width: 960px) {
  .hero-container {
    flex-direction: row;
    align-items: center;
    gap: 3rem;
  }
  .hero-text { flex: 1.05; min-width: 0; }
  .hero-visual { flex: 0.95; min-width: 0; }
}

/* 1週間プランのミニチュアカード */
.hero-visual {
  display: flex;
  justify-content: center;
}
.week-mockup {
  width: 100%;
  max-width: 420px;
  background: #fff;
  border: 1px solid rgba(44, 95, 79, 0.12);
  border-radius: 20px;
  padding: 1.5rem 1.25rem 1.25rem;
  box-shadow: 0 20px 50px -25px rgba(44, 95, 79, 0.4), 0 4px 12px -6px rgba(44, 95, 79, 0.08);
  transform: rotate(-1deg);
}
@media (min-width: 960px) {
  .week-mockup { transform: rotate(-1.5deg); }
}
.week-mockup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px dashed rgba(44, 95, 79, 0.2);
}
.week-mockup-title {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-text);
}
.week-mockup-badge {
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: #fff;
  background: var(--color-primary);
  padding: 0.32rem 0.7rem;
  border-radius: 999px;
}
.week-mockup-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.5rem;
}
.day-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.65rem 0.25rem;
  background: linear-gradient(180deg, #FAF7F2 0%, #F0EDE5 100%);
  border-radius: 10px;
  aspect-ratio: 1 / 1.2;
  transition: transform 0.2s ease;
}
.day-card:hover { transform: translateY(-2px); }
.day-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-sub);
  letter-spacing: 0.02em;
}
.day-emoji {
  font-size: 1.35rem;
  line-height: 1;
}
.week-mockup-footer {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 0.85rem;
  border-top: 1px dashed rgba(44, 95, 79, 0.2);
  font-size: 0.78rem;
  color: var(--color-sub);
}
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  display: inline-block;
}
.dot-pulse {
  position: relative;
  background: #4caf50;
}
.dot-pulse::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: #4caf50;
  animation: dot-pulse 1.8s ease-out infinite;
}
@keyframes dot-pulse {
  0%   { transform: scale(1);   opacity: 0.6; }
  100% { transform: scale(2.4); opacity: 0;   }
}

/* ============================================================
   セクション共通
   ============================================================ */
section {
  padding: 3rem 0;
}
@media (min-width: 768px) {
  section { padding: 5rem 0; }
}
.section-title {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.75rem;
  letter-spacing: 0.04em;
}
.section-lead {
  text-align: center;
  color: var(--color-sub);
  margin-bottom: 2.5rem;
  font-size: 0.95rem;
}

/* ============================================================
   特長
   ============================================================ */
.features { background: var(--color-white); }
.feature-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
}
@media (min-width: 768px) {
  .feature-grid { grid-template-columns: repeat(3, 1fr); gap: 2rem; }
}
.feature-card {
  background: var(--color-base);
  padding: 2rem 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}
.feature-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}
.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
}
.feature-card p {
  font-size: 0.9rem;
  color: var(--color-sub);
  line-height: 1.8;
}

/* ============================================================
   ジェネレーターフォーム
   ============================================================ */
.generator { background: var(--color-base); }

.gen-form {
  background: var(--color-white);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  max-width: 640px;
  margin: 0 auto;
}
@media (min-width: 768px) {
  .gen-form { padding: 2.5rem; }
}

.form-row {
  margin-bottom: 1.75rem;
}
.form-label {
  display: block;
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 0.6rem;
  color: var(--color-text);
}
.form-control {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.form-control input[type="text"],
.form-control input[type="number"] {
  flex: 1;
  height: 44px;
  padding: 0 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-base);
  transition: border-color 0.2s;
}
.form-control input:focus {
  outline: none;
  border-color: var(--color-primary);
}
.form-control input[type="number"] { width: 100px; flex: none; text-align: center; }
.form-suffix { color: var(--color-sub); font-size: 0.9rem; }
.form-help { display: block; margin-top: 0.4rem; color: var(--color-sub); font-size: 0.8rem; }
.form-note {
  margin-top: 1rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-sub);
}

/* タググループ */
.tag-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.tag {
  height: 36px;
  padding: 0 1rem;
  background: var(--color-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-size: 0.88rem;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--color-text);
}
.tag:hover { border-color: var(--color-primary); }
.tag.is-active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
  font-weight: 700;
}

/* ラジオグループ */
.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.radio-group label {
  position: relative;
  cursor: pointer;
}
.radio-group input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.radio-group span {
  display: inline-block;
  height: 36px;
  line-height: 34px;
  padding: 0 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-base);
  font-size: 0.88rem;
  transition: all 0.2s;
}
.radio-group label:hover span { border-color: var(--color-primary); }
.radio-group input[type="radio"]:checked + span {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
  font-weight: 700;
}

/* ============================================================
   生成結果
   ============================================================ */
.result-area {
  margin-top: 2rem;
  max-width: 100%;
}

/* ============================================================
   履歴セクション
   ============================================================ */
.history {
  background: linear-gradient(180deg, #F0EDE5 0%, var(--color-base) 100%);
}
.history-header {
  text-align: center;
  margin-bottom: 1.75rem;
}
.history-note {
  margin: 0.5rem 0 0;
  font-size: 0.82rem;
  color: var(--color-sub);
}
.history-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  max-width: 720px;
  margin: 0 auto;
}
@media (min-width: 640px) {
  .history-list { grid-template-columns: 1fr 1fr; }
}
.history-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-align: left;
  background: #fff;
  border: 1px solid rgba(44, 95, 79, 0.12);
  border-radius: 14px;
  padding: 1rem 1.1rem;
  font: inherit;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.history-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px -10px rgba(44, 95, 79, 0.25);
  border-color: rgba(44, 95, 79, 0.3);
}
.hist-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}
.hist-time {
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}
.hist-cond {
  font-size: 0.8rem;
  color: var(--color-sub);
}
.hist-cost {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text);
}
.hist-cta {
  font-size: 0.78rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-top: auto;
  align-self: flex-end;
}
.history-footer {
  text-align: center;
  margin-top: 1.25rem;
}
.btn-link {
  background: none;
  border: none;
  color: var(--color-sub);
  font-size: 0.82rem;
  text-decoration: underline;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
}
.btn-link:hover { color: #B91C1C; }
.result-loading,
.result-error {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--color-sub);
}
.result-error {
  background: #FEF2F2;
  border: 1px solid #FCA5A5;
  border-radius: var(--radius-md);
  color: #991B1B;
}
.result-loading .spinner {
  display: inline-block;
  width: 32px; height: 32px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 0.75rem;
}
@keyframes spin { to { transform: rotate(360deg); } }

.result-summary {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-lg);
  margin-bottom: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  font-size: 0.9rem;
}
.result-summary strong { font-size: 1.1rem; display: block; margin-top: 0.2rem; }

.result-day {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1rem;
}
.result-day-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-accent);
}
.meal-grid {
  display: grid;
  gap: 0.75rem;
}
@media (min-width: 768px) {
  .meal-grid { grid-template-columns: repeat(3, 1fr); }
}
.meal {
  background: var(--color-base);
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}
.meal-time {
  font-family: var(--font-en);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  margin-bottom: 0.4rem;
}
.meal-name {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  line-height: 1.4;
}
.meal-meta {
  font-size: 0.78rem;
  color: var(--color-sub);
  line-height: 1.7;
}
.meal-meta span { margin-right: 0.8rem; }

/* ============================================================
   Shopping list
   ============================================================ */
.shopping-list {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-top: 1.5rem;
}
.shopping-list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--color-accent);
  margin-bottom: 1.25rem;
}
.shopping-list-header h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0;
}
.btn-copy {
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-md, 8px);
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s ease;
}
.btn-copy:hover { opacity: 0.85; }
.btn-copy:active { transform: translateY(1px); }

.shopping-categories {
  display: grid;
  gap: 1.25rem;
}
@media (min-width: 768px) {
  .shopping-categories { grid-template-columns: repeat(2, 1fr); gap: 1.25rem 2rem; }
}
.shopping-category h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 0.5rem;
  padding-left: 0.5rem;
  border-left: 3px solid var(--color-accent);
}
.shopping-category ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.shopping-category li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.4rem 0;
  border-bottom: 1px dashed var(--color-border);
  font-size: 0.88rem;
  gap: 1rem;
}
.shopping-category li:last-child { border-bottom: none; }
.sl-name { color: var(--color-text, #333); }
.sl-amount {
  color: var(--color-sub);
  font-feature-settings: 'tnum';
  white-space: nowrap;
}

/* ============================================================
   How
   ============================================================ */
.how { background: var(--color-white); }
.how-steps {
  list-style: none;
  display: grid;
  gap: 1.5rem;
  margin-top: 1.5rem;
}
@media (min-width: 768px) {
  .how-steps { grid-template-columns: repeat(3, 1fr); gap: 2rem; }
}
.how-steps li {
  text-align: center;
  padding: 1.5rem;
}
.step-num {
  display: inline-flex;
  width: 48px; height: 48px;
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
}
.how-steps h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}
.how-steps p {
  font-size: 0.9rem;
  color: var(--color-sub);
}

/* ============================================================
   FAQ
   ============================================================ */
.faq { background: var(--color-base); }
.faq-list {
  max-width: 720px;
  margin: 2rem auto 0;
}
.faq-list details {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
  overflow: hidden;
}
.faq-list summary {
  padding: 1.25rem 1.5rem;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 3rem;
  font-size: 0.95rem;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  color: var(--color-primary);
  transition: transform 0.2s;
}
.faq-list details[open] summary::after {
  content: "−";
}
.faq-list p {
  padding: 0 1.5rem 1.25rem;
  color: var(--color-sub);
  font-size: 0.9rem;
  line-height: 1.9;
}

/* ============================================================
   免責
   ============================================================ */
.disclaimer-section { padding: 2rem 0; background: var(--color-white); }
.disclaimer {
  background: var(--color-base);
  border-left: 4px solid var(--color-accent);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  color: var(--color-sub);
  line-height: 1.9;
  max-width: 720px;
  margin: 0 auto;
}
.disclaimer h3 {
  color: var(--color-text);
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

/* ============================================================
   フッター
   ============================================================ */
.site-footer {
  background: var(--color-primary-dark);
  color: var(--color-base);
  padding: 2.5rem 0;
  text-align: center;
}
.footer-logo {
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}
.footer-copy {
  font-size: 0.8rem;
  color: rgba(250, 247, 242, 0.6);
}