/* =============================================
   Ice Event/Festival LP - Standalone Styles
   アクセントカラー: #e84118（祭りオレンジレッド）
   ============================================= */

/* Reset & Base */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: #1a2f42;
  background: #fff;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 72px;
}

img { max-width: 100%; height: auto; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

a { color: inherit; text-decoration: none; }
strong { font-weight: 700; }
.sp-only { display: inline; }

@media (min-width: 768px) {
  body { padding-bottom: 0; }
  .sp-only { display: none; }
}

/* =============================================
   Section共通
   ============================================= */
.section-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-heading {
  text-align: center;
  margin-bottom: 40px;
}
.section-heading__en {
  display: block;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #8a9bab;
  margin-bottom: 6px;
}
.section-heading strong {
  color: #e84118;
}

/* =============================================
   1. ファーストビュー（FV）
   ============================================= */
.fv {
  position: relative;
  background: linear-gradient(170deg, #1a0a00 0%, #2d1810 30%, #e84118 100%);
  padding: 60px 20px 50px;
  overflow: hidden;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.fv__bg-art {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.fv__bg-deco {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0.5;
}
.fv__bg-deco--1 {
  top: -20%;
  left: -10%;
  animation: floatSlow 18s ease-in-out infinite alternate;
}
.fv__bg-deco--2 {
  bottom: -15%;
  right: -10%;
  animation: floatSlow 22s ease-in-out infinite alternate-reverse;
}

@keyframes floatSlow {
  from { transform: translateY(0) scale(1); }
  to   { transform: translateY(-15px) scale(1.03); }
}

.fv__inner {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  color: #fff;
}

.fv__illust {
  margin: 0 auto 24px;
  max-width: 240px;
}
.fv__illust-svg {
  width: 100%;
  height: auto;
}

.fv__sparkle circle {
  animation: sparkle 4s ease-in-out infinite alternate;
}
.fv__sparkle circle:nth-child(2) { animation-delay: 0.8s; }
.fv__sparkle circle:nth-child(3) { animation-delay: 1.6s; }
.fv__sparkle circle:nth-child(4) { animation-delay: 2.4s; }
.fv__sparkle circle:nth-child(5) { animation-delay: 3.2s; }

@keyframes sparkle {
  from { opacity: 0.05; transform: scale(0.8); }
  to   { opacity: 0.2; transform: scale(1.2); }
}

.fv__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(232, 65, 24, 0.35);
  border: 1px solid rgba(255, 150, 80, 0.5);
  border-radius: 50px;
  padding: 6px 16px;
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 20px;
}
.fv__badge-icon { display: flex; }

.fv__main {
  font-size: 28px;
  font-weight: 900;
  line-height: 1.4;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.fv__main-small {
  display: block;
  font-size: 14px;
  font-weight: 500;
  opacity: 0.85;
  margin-bottom: 8px;
  letter-spacing: 0;
}

.fv__sub {
  font-size: 14px;
  line-height: 1.8;
  opacity: 0.9;
  margin-bottom: 32px;
}

.fv__cta-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.fv__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 20px;
  border-radius: 8px;
  font-weight: 700;
  transition: transform 0.2s, box-shadow 0.2s;
}
.fv__cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.25);
}

.fv__cta--tel {
  background: #fff;
  color: #e84118;
}
.fv__cta--form {
  background: #e84118;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.4);
}

.fv__cta-icon { display: flex; flex-shrink: 0; }
.fv__cta-text { text-align: left; }
.fv__cta-num {
  display: block;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 0.02em;
}
.fv__cta-note {
  display: block;
  font-size: 11px;
  font-weight: 400;
  opacity: 0.7;
}
.fv__cta-form-label {
  display: block;
  font-size: 16px;
}

.fv__trust {
  font-size: 11px;
  opacity: 0.6;
  letter-spacing: 0.02em;
}

@media (min-width: 768px) {
  .fv { padding: 100px 40px 80px; }
  .fv__main { font-size: 40px; }
  .fv__main-small { font-size: 16px; }
  .fv__sub { font-size: 16px; }
  .fv__cta-group { flex-direction: row; justify-content: center; }
  .fv__cta { padding: 18px 28px; }
}

/* =============================================
   2. 共感（Empathy）
   ============================================= */
.empathy {
  padding: 64px 0;
  background: #fef9f5;
}

.empathy__heading {
  text-align: center;
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 32px;
  line-height: 1.5;
}

.empathy__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 560px;
  margin: 0 auto 32px;
}

.empathy__list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: #fff;
  border: 1px solid #fde8e0;
  border-radius: 10px;
  padding: 16px;
  font-size: 14px;
  line-height: 1.6;
  box-shadow: 0 2px 8px rgba(232,65,24,0.04);
}

.empathy__icon-svg {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
}

.empathy__message {
  text-align: center;
  font-size: 15px;
  line-height: 1.8;
  color: #4a5568;
}
.empathy__message strong {
  display: block;
  font-size: 18px;
  color: #e84118;
  margin-bottom: 4px;
}

@media (min-width: 768px) {
  .empathy { padding: 80px 0; }
  .empathy__heading { font-size: 26px; }
  .empathy__list li { font-size: 15px; padding: 20px; }
}

/* =============================================
   3. 選ばれる3つの理由
   ============================================= */
.reasons {
  padding: 64px 0;
}

.reasons__grid {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.reasons__card {
  background: #fef9f5;
  border: 1px solid #fde8e0;
  border-radius: 14px;
  padding: 32px 24px;
  position: relative;
}

.reasons__num {
  position: absolute;
  top: -12px;
  left: 24px;
  background: #e84118;
  color: #fff;
  font-size: 12px;
  font-weight: 900;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.reasons__illust {
  max-width: 100px;
  margin: 0 auto 16px;
}
.reasons__illust svg { width: 100%; height: auto; }

.reasons__title {
  text-align: center;
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.5;
}
.reasons__title strong { color: #e84118; }

.reasons__text {
  font-size: 14px;
  line-height: 1.8;
  color: #4a5568;
}

@media (min-width: 768px) {
  .reasons { padding: 80px 0; }
  .reasons__grid { flex-direction: row; gap: 20px; }
  .reasons__card { flex: 1; padding: 36px 20px; }
  .reasons__title { font-size: 16px; }
}

/* =============================================
   4. 中間CTA
   ============================================= */
.mid-cta {
  padding: 48px 0;
  background: linear-gradient(135deg, #e84118 0%, #c23616 100%);
  color: #fff;
  text-align: center;
}

.mid-cta__lead {
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 24px;
  line-height: 1.7;
}

.mid-cta__group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 400px;
  margin: 0 auto;
}

.mid-cta__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 20px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 16px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.mid-cta__btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}
.mid-cta__btn--tel {
  background: #fff;
  color: #e84118;
}
.mid-cta__btn--form {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.6);
}

@media (min-width: 768px) {
  .mid-cta__group { flex-direction: row; max-width: 520px; }
  .mid-cta__btn { flex: 1; }
}

/* =============================================
   5. 用途別・必要量の目安（Guide）
   ============================================= */
.guide {
  padding: 64px 0;
  background: #fef9f5;
}

.guide__grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 20px;
}

.guide__card {
  background: #fff;
  border: 1px solid #fde8e0;
  border-radius: 12px;
  padding: 28px 24px;
  box-shadow: 0 2px 8px rgba(232,65,24,0.04);
  position: relative;
}

.guide__card-badge {
  position: absolute;
  top: -10px;
  right: 16px;
  background: #e84118;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
}

.guide__card-icon {
  text-align: center;
  margin-bottom: 12px;
}

.guide__card-title {
  text-align: center;
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 16px;
  color: #1a2f42;
  line-height: 1.4;
}
.guide__card-title small {
  display: block;
  font-size: 13px;
  font-weight: 400;
  color: #6b7c8a;
  margin-top: 2px;
}

.guide__card-body { }

.guide__card-advice {
  font-size: 13px;
  line-height: 1.7;
  color: #4a5568;
  margin-bottom: 16px;
  padding: 12px;
  background: #f8f9fa;
  border-radius: 8px;
  border-left: 3px solid #e84118;
}

.guide__card-spec {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.guide__card-spec > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  font-size: 13px;
  padding: 8px 0;
  border-bottom: 1px solid #f0f0f0;
}
.guide__card-spec > div:last-child { border-bottom: none; }
.guide__card-spec dt {
  color: #6b7c8a;
  font-weight: 400;
}
.guide__card-spec dd {
  color: #1a2f42;
  font-weight: 500;
  text-align: right;
}
.guide__card-spec dd strong {
  color: #e84118;
  font-size: 16px;
}

.guide__note {
  text-align: center;
  font-size: 12px;
  color: #8a9bab;
  line-height: 1.7;
}

@media (min-width: 768px) {
  .guide { padding: 80px 0; }
  .guide__grid { flex-direction: row; gap: 16px; }
  .guide__card { flex: 1; padding: 32px 20px; }
}

/* =============================================
   6. イベント大成功までの流れ
   ============================================= */
.flow {
  padding: 64px 0;
}

.flow__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  max-width: 560px;
  margin: 0 auto;
}

.flow__item {
  display: flex;
  gap: 16px;
  padding: 24px 0;
  border-bottom: 1px solid #fde8e0;
}
.flow__item:last-child { border-bottom: none; }

.flow__step {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  background: #e84118;
  color: #fff;
  font-weight: 900;
  font-size: 14px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.flow__content { flex: 1; }
.flow__title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
}
.flow__text {
  font-size: 13px;
  line-height: 1.7;
  color: #4a5568;
}

@media (min-width: 768px) {
  .flow { padding: 80px 0; }
}

/* =============================================
   7. よくあるご質問（FAQ）
   ============================================= */
.faq {
  padding: 64px 0;
  background: #fef9f5;
}

.faq__list {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq__item {
  background: #fff;
  border: 1px solid #fde8e0;
  border-radius: 10px;
  overflow: hidden;
}

.faq__q {
  padding: 18px 20px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
}
.faq__q::before {
  content: "Q";
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  background: #e84118;
  color: #fff;
  font-size: 12px;
  font-weight: 900;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.faq__q::after {
  content: "";
  margin-left: auto;
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  border-right: 2px solid #8a9bab;
  border-bottom: 2px solid #8a9bab;
  transform: rotate(45deg);
  transition: transform 0.3s;
}
.faq__item[open] .faq__q::after {
  transform: rotate(-135deg);
}

.faq__a {
  padding: 0 20px 18px 56px;
  font-size: 13px;
  line-height: 1.8;
  color: #4a5568;
}

@media (min-width: 768px) {
  .faq { padding: 80px 0; }
  .faq__q { font-size: 15px; padding: 20px 24px; }
  .faq__a { padding: 0 24px 20px 60px; font-size: 14px; }
}

/* =============================================
   8. クロージング＋最終CTA
   ============================================= */
.closing {
  padding: 64px 0;
  background: linear-gradient(170deg, #1a0a00 0%, #2d1810 50%, #e84118 100%);
  color: #fff;
  text-align: center;
}

.closing__heading {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.5;
}

.closing__text {
  font-size: 14px;
  line-height: 1.9;
  opacity: 0.9;
  margin-bottom: 32px;
}

.closing__cta-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 440px;
  margin: 0 auto 20px;
}

.closing__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 18px 24px;
  border-radius: 8px;
  font-weight: 700;
  transition: transform 0.2s, box-shadow 0.2s;
}
.closing__cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.25);
}

.closing__cta--form {
  background: #fff;
  color: #e84118;
}
.closing__cta--tel {
  background: #e84118;
  border: 2px solid rgba(255,255,255,0.4);
  color: #fff;
}

.closing__cta-num {
  font-size: 20px;
  font-weight: 900;
}
.closing__cta-form-label {
  font-size: 16px;
}
.closing__cta small {
  display: block;
  font-size: 11px;
  font-weight: 400;
  opacity: 0.7;
}

.closing__trust {
  font-size: 11px;
  opacity: 0.5;
}

@media (min-width: 768px) {
  .closing { padding: 100px 0; }
  .closing__heading { font-size: 28px; }
  .closing__cta-group { flex-direction: row; }
  .closing__cta { flex: 1; }
}

/* =============================================
   固定CTAバー（スマホ用）
   ============================================= */
.fixed-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  background: #fff;
  border-top: 1px solid #fde8e0;
  box-shadow: 0 -4px 12px rgba(0,0,0,0.08);
  padding: 10px 12px;
  gap: 8px;
}

.fixed-cta__btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 8px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 700;
  transition: background 0.2s;
}

.fixed-cta__btn--tel {
  background: #e84118;
  color: #fff;
}
.fixed-cta__btn--form {
  background: #fff5f2;
  color: #e84118;
  border: 1px solid #fde8e0;
}

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

/* =============================================
   フッター
   ============================================= */
.lp-footer {
  background: #1a0a00;
  color: rgba(255,255,255,0.6);
  padding: 40px 20px;
  text-align: center;
  font-size: 12px;
}

.lp-footer__inner {
  max-width: 640px;
  margin: 0 auto;
}

.lp-footer__company {
  font-size: 14px;
  font-weight: 500;
  color: #fff;
  margin-bottom: 4px;
}

.lp-footer__address { margin-bottom: 16px; }

.lp-footer__nav {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 16px;
}
.lp-footer__nav a {
  color: rgba(255,255,255,0.5);
  transition: color 0.2s;
}
.lp-footer__nav a:hover { color: #fff; }

.lp-footer__copy { opacity: 0.4; }

/* =============================================
   アクセシビリティ: モーション抑制
   ============================================= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}