@charset "UTF-8";

/* ==========================================================================
   スムーススクロール ＆ ページ内リンク時のヘッダー被り防止
   ========================================================================== */
html {
  scroll-behavior: smooth;
}
:target {
  scroll-margin-top: 80px; /* 固定ヘッダー70px + 余白10px分ずらす */
}

/* ==========================================================================
   共通・ベーススタイル（Reset & Global）
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: "Noto Sans JP", sans-serif;
  color: #2b2b2b;
  background-color: #fffaf2;
  line-height: 1.8;
  -webkit-text-size-adjust: 100%;
}
img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}
ul, ol {
  list-style: none;
}
a {
  color: inherit;
  text-decoration: none;
}

/* レイアウト（Layout） */
.l-inner {
  width: min(1120px, 92%);
  margin: 0 auto;
}
.l-section {
  padding: 50px 0;
}
@media (min-width: 768px) {
  .l-section {
    padding: 70px 0;
  }
}
.bg-white {
  background-color: #ffffff;
}

/* 共通パーツ（Component） */
.c-section-title {
  text-align: center;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 36px;
  position: relative;
}
@media (min-width: 768px) {
  .c-section-title {
    font-size: 32px;
    margin-bottom: 48px;
  }
}
.c-section-title span {
  display: block;
  font-size: 14px;
  color: #bfa15f;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.c-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 32px;
  border-radius: 999px;
  font-weight: 700;
  transition: all 0.3s ease;
  text-align: center;
}
.c-btn--primary {
  background-color: #0f6b4f;
  color: #ffffff;
}
.c-btn--primary:hover {
  background-color: #0a4d38;
  transform: translateY(-2px);
}
.c-btn--secondary {
  background-color: #ffffff;
  color: #0f6b4f;
  border: 1px solid #0f6b4f;
}
.c-btn--secondary:hover {
  background-color: #f0fdf4;
  transform: translateY(-2px);
}
.c-badge {
  display: inline-block;
  padding: 2px 8px;
  font-size: 11px;
  border-radius: 4px;
  background-color: #f0f0f0;
  color: #666666;
  font-weight: 500;
}

/* エディタコンテンツ（学術記述・テキスト用装飾） */
.c-editor-content h3 {
  font-size: 20px;
  font-weight: 700;
  color: #0f6b4f;
  margin: 36px 0 16px;
  padding-left: 12px;
  border-left: 4px solid #0f6b4f;
}
.c-editor-content h4 {
  font-size: 16px;
  font-weight: 700;
  color: #2b2b2b;
  margin: 24px 0 12px;
}
.c-editor-content p {
  font-size: 15px;
  color: #4a5568;
  margin-bottom: 20px;
  text-align: justify;
}
.c-editor-content ul {
  margin-bottom: 24px;
  padding-left: 20px;
}
.c-editor-content ul li {
  list-style-type: disc;
  font-size: 14px;
  color: #4a5568;
  margin-bottom: 8px;
}
.c-editor-content__media-wrap {
  margin: 20px 0 32px;
  border: 1px solid #e8dec9;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 10px rgba(0,0,0,0.02);
}
.c-editor-content__media-wrap img {
  width: 100%;
  height: auto;
  display: block;
}

/* データテーブル共通 */
.c-table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid #e8dec9;
  border-radius: 8px;
  background: #ffffff;
  margin: 24px 0;
}
.c-data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  min-width: 850px;
}
.c-data-table th, .c-data-table td {
  padding: 14px 12px;
  border-bottom: 1px solid #edf2f7;
  text-align: left;
  vertical-align: middle;
}
.c-data-table th {
  background-color: #0f6b4f;
  color: #ffffff;
  font-weight: 700;
  white-space: nowrap;
}
.c-data-table tr:nth-child(even) td {
  background-color: #faf8f5;
}

/* ==========================================================================
   ヘッダー（Header）
   ========================================================================== */
.header {
  background-color: #ffffff;
  border-bottom: 1px solid #f0e6d6;
  position: sticky;
  top: 0;
  z-index: 100;
}
.header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}
.header__logo {
  display: flex;
  align-items: center;
}
.header__logo img {
  height: 36px;
  width: auto;
}
.header__nav {
  display: none;
}
@media (min-width: 992px) {
  .header__nav {
    display: block;
  }
  .header__nav-list {
    display: flex;
    gap: 24px;
  }
  .header__nav-link {
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s;
  }
  .header__nav-link:hover {
    color: #0f6b4f;
  }
}

/* ==========================================================================
   ヒーロー（Hero）
   ========================================================================== */
.hero {
  background-color: #ffffff;
  padding: 40px 0;
  overflow: hidden;
}
@media (min-width: 768px) {
  .hero {
    padding: 60px 0 40px;
  }
}
.hero--academic {
  border-top: 1px solid #f0e6d6;
  border-bottom: 1px solid #f0e6d6;
  text-align: center;
}
.hero__grid {
  display: grid;
  gap: 32px;
  align-items: center;
}
@media (min-width: 768px) {
  .hero__grid {
    grid-template-columns: 1.1fr 0.9fr;
  }
}
.hero__title {
  font-size: 28px;
  line-height: 1.4;
  font-weight: 700;
  margin-bottom: 16px;
}
@media (min-width: 768px) {
  .hero__title {
    font-size: 38px;
  }
}
.hero__title-sub {
  display: block;
  color: #0f6b4f;
  font-size: 20px;
  margin-top: 8px;
}
.hero__lead {
  font-size: 14px;
  color: #555555;
  margin-bottom: 24px;
}
.hero__note {
  font-size: 11px;
  color: #888888;
}
.hero__image-unit {
  text-align: center;
}
.hero__image-unit img {
  width: 100%;
  max-width: 460px;
  height: auto;
}

/* ==========================================================================
   特徴セクション（Features）
   ========================================================================== */
.features {
  padding: 60px 0;
  background-color: #ffffff;
  border-top: 1px solid #f0e6d6;
}
.features__grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.features__item {
  text-align: center;
  padding: 16px;
}
.features__icon-wrap {
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.features__icon-wrap img {
  height: 40px;
  width: auto;
}
.features__item-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}
.features__item-text {
  font-size: 13px;
  color: #666666;
}

/* ==========================================================================
       ランキング（Ranking - 画像排除・幅広構造）
   ========================================================================== */
.ranking {
  padding: 60px 0;
}
.ranking__grid {
  display: grid;
  gap: 32px;
  margin-bottom: 40px;
}
.product-card {
  background-color: #ffffff;
  border: 1px solid #e8dec9;
  border-radius: 8px;
  padding: 28px 24px 24px;
  position: relative;
  box-shadow: 0 4px 12px rgba(0,0,0,0.02);
}
.product-card__rank {
  position: absolute;
  top: -14px;
  left: 20px;
  width: 40px;
  height: 40px;
  background-color: #a0a0a0;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  border-radius: 4px;
  font-size: 20px;
}
.product-card--top1 .product-card__rank { background-color: #bfa15f; }
.product-card--top2 .product-card__rank { background-color: #b0b0b0; }
.product-card--top3 .product-card__rank { background-color: #c08040; }

.product-card__content-zone {
  margin-top: 8px;
}
.product-card__brand {
  font-size: 13px;
  color: #888888;
  font-weight: 500;
  margin-bottom: 4px;
}
.product-card__name {
  font-size: 22px;
  font-weight: 700;
  color: #0f6b4f;
  margin-bottom: 16px;
  line-height: 1.4;
}

.product-card__price-box {
  background: #faf8f5;
  border: 1px solid #edf2f7;
  border-radius: 6px;
  padding: 16px;
  margin-bottom: 20px;
}
.product-card__price-title {
  font-size: 12px;
  font-weight: 700;
  color: #666666;
  margin-bottom: 8px;
}
.product-card__price-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}
.price-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  padding: 10px 14px;
  border-radius: 4px;
  transition: all 0.2s;
}
.price-link:hover {
  border-color: #bfa15f;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}
.price-link__mall {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
}
.price-link__mall img {
  width: 16px;
  height: 16px;
}
.price-link__amount {
  font-size: 15px;
  font-weight: 700;
  color: #d63031;
}
.price-link__amount--none {
  font-size: 13px;
  color: #aaa;
  font-weight: 400;
}

.product-card__specs {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin-top: 16px;
}
.product-card__specs th, .product-card__specs td {
  border: 1px solid #edf2f7;
  padding: 12px 14px;
  text-align: left;
}
.product-card__specs th {
  background: #f7fafc;
  color: #4a5568;
  font-weight: 700;
  width: 110px;
}

/* ==========================================================================
   液体 vs サプリ比較（Comparison Overview）
   ========================================================================== */
.vs-sect {
  padding: 60px 0;
  background-color: #ffffff;
}
.vs-card {
  border: 1px solid #e8dec9;
  background-color: #fffaf2;
  border-radius: 12px;
  padding: 32px 24px;
}
.vs-grid {
  display: grid;
  gap: 32px;
  position: relative;
}
@media (min-width: 768px) {
  .vs-grid {
    grid-template-columns: 1fr 1fr;
  }
}
.vs-side__title {
  font-size: 18px;
  font-weight: 700;
  color: #0f6b4f;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.vs-side__list li {
  position: relative;
  padding-left: 56px;
  font-size: 14px;
  margin-bottom: 16px;
  min-height: 40px;
  display: flex;
  align-items: center;
}
.vs-side__icon {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  object-fit: contain;
}
.vs-divider {
  display: none;
}
@media (min-width: 768px) {
  .vs-divider {
    display: flex;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 44px;
    height: 44px;
    background-color: #0f6b4f;
    color: white;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    border: 4px solid #fffaf2;
  }
}

/* ==========================================================================
   比較表（Comparison Table）
   ========================================================================== */
.table-sect {
  padding: 60px 0;
}
.table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid #e8dec9;
  border-radius: 8px;
  background: #ffffff;
}
.comp-table {
  width: 100%;
  border-collapse: collapse;
  text-align: center;
  font-size: 13px;
  min-width: 850px;
}
.comp-table th, .comp-table td {
  padding: 16px 12px;
  border-bottom: 1px solid #edf2f7;
  vertical-align: middle;
}
.comp-table th {
  background-color: #0f6b4f;
  color: #ffffff;
  font-weight: 700;
}
.comp-table tr:last-child th, .comp-table tr:last-child td {
  border-bottom: none;
}
.comp-table tr:nth-child(even) td {
  background-color: #faf8f5;
}
.comp-table__highlight {
  font-weight: 700;
  color: #0f6b4f;
}

/* ==========================================================================
   記事カード（Articles）
   ========================================================================== */
.articles {
  padding: 60px 0;
  background-color: #ffffff;
}
.articles__grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.article-card {
  background: #fffaf2;
  border: 1px solid #e8dec9;
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.article-card__image-wrap {
  height: 180px;
  overflow: hidden;
  background-color: #f0e6d6;
}
.article-card__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.article-card:hover .article-card__image-wrap img {
  transform: scale(1.05);
}
.article-card__body {
  padding: 20px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.article-card__title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.5;
}
.article-card__link {
  font-size: 13px;
  color: #0f6b4f;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
/* ==========================================================================
   FAQセクション（CSSだけで動くアコーディオン構造）
   ========================================================================== */
.faq {
  padding: 60px 0;
}
.faq__grid {
  display: grid;
  gap: 16px;
}
@media (min-width: 768px) {
  .faq__grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}
.faq__item {
  background-color: #ffffff;
  border: 1px solid #e8dec9;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.01);
  transition: all 0.3s ease;
}
.faq__item[open] {
  border-color: #0f6b4f;
  box-shadow: 0 4px 12px rgba(15,107,79,0.05);
}
.faq__question {
  font-size: 14px;
  font-weight: 700;
  padding: 18px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
  list-style: none; /* デフォルトの三角矢印を消す */
}
.faq__question::-webkit-details-marker {
  display: none; /* Safari用の三角矢印消し */
}
.faq__toggle {
  position: relative;
  width: 16px;
  height: 16px;
  display: block;
  flex-shrink: 0;
}
/* プラス・マイナス記号をCSSで表現 */
.faq__toggle::before,
.faq__toggle::after {
  content: "";
  position: absolute;
  background-color: #0f6b4f;
  transition: transform 0.25s ease-out;
}
.faq__toggle::before {
  top: 7px; left: 0; width: 16px; height: 2px;
}
.faq__toggle::after {
  top: 0; left: 7px; width: 2px; height: 16px;
}
/* アコーディオンが開いた（open状態の）時のマイナス化アニメーション */
.faq__item[open] .faq__toggle::after {
  transform: rotate(90deg);
  opacity: 0;
}
.faq__item[open] .faq__toggle::before {
  transform: rotate(180deg);
}
.faq__answer {
  border-top: 1px solid #edf2f7;
  padding: 18px 20px;
  background-color: #faf8f5;
  font-size: 13px;
  color: #4a5568;
  line-height: 1.7;
}

/* ==========================================================================
   おすすめ商品CTA（Call To Action）
   ========================================================================== */
.cta {
  padding: 60px 0;
  background-color: #ffffff;
}
.cta__box {
  background-color: #fffaf2;
  border: 1px solid #e8dec9;
  border-radius: 12px;
  padding: 32px 24px;
}
@media (min-width: 768px) {
  .cta__box {
    padding: 40px;
  }
}
.cta__grid {
  display: grid;
  gap: 32px;
  align-items: center;
}
@media (min-width: 768px) {
  .cta__grid {
    grid-template-columns: 0.6fr 1.4fr;
  }
}
.cta__image-unit {
  text-align: center;
}
.cta__image-unit img {
  max-width: 160px;
  height: auto;
}
.cta__content-wrap {
  display: grid;
  gap: 20px;
}
@media (min-width: 992px) {
  .cta__content-wrap {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}
.cta__subtitle {
  font-size: 13px;
  color: #bfa15f;
  font-weight: 700;
  margin-bottom: 4px;
}
.cta__title {
  font-size: 22px;
  font-weight: 700;
  color: #0f6b4f;
  margin-bottom: 8px;
}
.cta__text {
  font-size: 13px;
  color: #555555;
  line-height: 1.6;
}
.cta__right-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.cta__glass-img {
  width: 100%;
  max-width: 240px;
  height: auto;
  border-radius: 8px;
}
.cta__actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
}

/* ==========================================================================
   学術コラム・データベース（Academic DB）
   ========================================================================== */
.db-grid {
  display: grid;
  gap: 32px;
}
@media (min-width: 992px) {
  .db-grid {
    grid-template-columns: 2fr 1fr;
    gap: 48px;
  }
}
.db-sidebar {
  background: #ffffff;
  border: 1px solid #e8dec9;
  border-radius: 8px;
  padding: 24px;
  height: fit-content;
}
.db-sidebar__title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  color: #0f6b4f;
}
.db-sidebar__list li {
  margin-bottom: 12px;
  font-size: 14px;
}
.db-sidebar__link {
  color: #4a5568;
  transition: color 0.2s;
}
.db-sidebar__link:hover {
  color: #0f6b4f;
  font-weight: 700;
}

.maker-card {
  background: #ffffff;
  border: 1px solid #e8dec9;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 32px;
}
.maker-card__title {
  font-size: 22px;
  font-weight: 700;
  color: #0f6b4f;
  margin-bottom: 16px;
}

.timeline {
  position: relative;
  margin: 40px 0;
  padding-left: 32px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 8px; top: 0; bottom: 0;
  width: 2px;
  background: #e8dec9;
}
.timeline__item {
  position: relative;
  margin-bottom: 40px;
}
.timeline__dot {
  position: absolute;
  left: -32px; top: 6px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: #0f6b4f;
  border: 4px solid #fffaf2;
}
.timeline__node {
  background: #ffffff;
  border: 1px solid #e8dec9;
  border-radius: 8px;
  padding: 24px;
}
.timeline__title {
  font-size: 18px;
  font-weight: 700;
  color: #0f6b4f;
  margin-bottom: 12px;
}
.timeline__media-wrap {
  margin: 16px 0;
  border: 1px solid #edf2f7;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 4px 8px rgba(0,0,0,0.02);
}
.timeline__media-wrap img {
  width: 100%;
  height: auto;
  display: block;
}

/* ==========================================================================
   フッター（Footer）
   ========================================================================== */
.footer {
  background-color: #ffffff;
  padding: 40px 0 24px;
  border-top: 1px solid #f0e6d6;
  font-size: 11px;
  color: #888888;
}
.footer__disclaimer {
  margin-bottom: 24px;
  line-height: 1.6;
}
.footer__copyright {
  text-align: center;
}