/* ===== リセット・ベース ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html,
body {
  overflow-x: hidden;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family:
    "Shippori Mincho",
    -apple-system,
    BlinkMacSystemFont,
    "Hiragino Sans",
    "Hiragino Kaku Gothic ProN",
    "Noto Sans JP",
    serif;
  background: #fff url("img/bg.webp") center center / cover fixed;
  color: #333;
  line-height: 1.6;
}

img {
  width: 100%;
  height: auto;
  vertical-align: bottom;
}

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

/* ===== 左サイドバー（ロゴ） ===== */
.side-logo {
  display: none;
}

/* ===== 右サイドバー（ナビ） ===== */
.side-nav {
  display: none;
}

/* ===== メインコンテンツ ===== */
.content-wrap {
  max-width: 750px;
  margin: 0 auto;
  box-shadow:
    0 4px 40px rgba(0, 0, 0, 0.12),
    0 1px 8px rgba(0, 0, 0, 0.06);
}

/* 1200px以上で3カラムレイアウト */
@media (min-width: 1500px) {
  .side-logo {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    position: fixed;
    top: 0;
    left: 0;
    width: calc((100vw - 750px) / 2);
    height: 100vh;
    z-index: 100;
    padding-right: 4vw;
    box-sizing: border-box;
  }

  .side-logo img {
    width: 42%;
    max-width: 280px;
    min-width: 180px;
  }

  .side-nav {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    position: fixed;
    top: 0;
    right: 0;
    width: calc((100vw - 750px) / 2);
    height: 100vh;
    z-index: 100;
    padding-left: 4vw;
    box-sizing: border-box;
  }

  .side-nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 24px;
  }

  .side-nav a {
    font-size: 1.5rem;
    font-weight: 500;
    color: #333;
    transition: color 0.2s;
  }
}

/* ===== セクション共通 ===== */
.section {
  width: 100%;
}

/* ===== CTAセクション ===== */
.section-cta {
  position: relative;
}

.cta-buttons {
  position: absolute;
  top: 41%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  max-width: 526px;
  display: flex;
  flex-direction: column;
  gap: clamp(8px, 8vw, 60px);
}

.cta-buttons.cta02 {
  top: 57%;
}

.cta-btn {
  display: block;
  width: 100%;
  transition: opacity 0.2s;
}

.cta-btn img {
  width: 100%;
  height: auto;
}

@media (hover: hover) {
  .cta-btn:hover {
    opacity: 0.8;
  }

  .side-nav a:hover {
    color: #e7748a;
  }
}

/* ===== FAQセクション ===== */
.faq-list {
  padding: 0 16px;
}

.faq-item {
  border-bottom: 1px solid #e0e0e0;
}

.faq-item:first-child {
  border-top: 1px solid #e0e0e0;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 18px 4px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 0.95rem;
  font-weight: 600;
  color: #333;
  line-height: 1.5;
}

.faq-q-label {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #333;
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: 50%;
  margin-top: 1px;
}

.faq-q-text {
  flex: 1;
}

.faq-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  position: relative;
  margin-top: 4px;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: #333;
  border-radius: 2px;
  transition:
    transform 0.25s ease,
    opacity 0.25s ease;
}

/* 横線 */
.faq-icon::before {
  width: 14px;
  height: 2px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* 縦線 */
.faq-icon::after {
  width: 2px;
  height: 14px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* 開いたとき縦線を回転して非表示 */
.faq-question[aria-expanded="true"] .faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

/* 回答（高さアニメーション用ラッパー） */
.faq-answer {
  overflow: hidden;
  height: 0;
  transition: height 0.3s ease;
}

.faq-answer-inner {
  display: flex;
  gap: 12px;
  padding: 0 4px 20px;
  font-size: 0.9rem;
  color: #555;
  line-height: 1.7;
}

.faq-a-label {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #e8f0fe;
  color: #0055aa;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: 50%;
  margin-top: 1px;
}

.faq-answer p {
  flex: 1;
  padding-top: 4px;
}

/* ===== SNSセクション ===== */
.sns-wrap {
  position: relative;
}

.sns-buttons {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 84%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.sns-buttons {
  list-style: none;
}
.sns-buttons li {
  max-width: 90px;
  width: 16%;
}

a img {
  transition: opacity 0.2s ease;
}

@media (hover: hover) {
  a:hover img {
    opacity: 0.6;
  }
}
.btn_official {
  position: absolute;
  top: 10%;
  width: 79%;
  left: 50%;
  transform: translateX(-50%);
}
.btn_product_detail {
  position: absolute;
  top: 0;
  width: 79%;
  left: 50%;
  transform: translateX(-50%);
}
.btn_x {
  position: absolute;
  top: 0;
  width: 47%;
  left: 50%;
  transform: translateX(-50%);
}

.btn_mall_01 {
  position: absolute;
  top: 0;
  left: 10.3%;
  width: 39%;
}

.btn_mall_02 {
  position: absolute;
  top: 0;
  left: 51.8%;
  width: 39%;
}

.btn_mall_03 {
  position: absolute;
  top: 31%;
  left: 10.3%;
  width: 39%;
}

.btn_mall_04 {
  position: absolute;
  top: 31%;
  left: 51.8%;
  width: 39%;
}

.btn_mall_05 {
  position: absolute;
  top: 62.6%;
  left: 30.9%;
  width: 39%;
}
.cta_info {
  font-size: 20px;
  text-align: center;
  color: #d87a8b;
  background-color: #f3eeea;
}
@media screen and (max-width: 750px) {
  .cta_info {
    font-size: 2.8vw;
  }
}
.nav_cta_btn_wrap {
  margin-top: 1em;
}
a.nav_cta_btn {
  font-size: 1.5rem;
  padding: 1em 2em;
  background-color: #e7748a;
  border-radius: 100px;
  color: #fff;
  transition: 0.2s;
  box-shadow: 0 4px 8px rgba(100, 100, 100, 0.3);
}
@media (hover: hover) {
  a.nav_cta_btn:hover {
    opacity: 0.8;
    color: #fff;
  }
}
.side-nav a {
  display: flex;
  align-items: center;
}
.nav-icon {
  width: 1em; /* または任意の固定サイズ（例: 16px） */
  height: auto;
  margin-right: 6px; /* アイコンと文字の間隔 */
}